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Papers: 15 Jul 2023 - 21 Jul 2023

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Mapping the neuroethological signatures of pain, analgesia, and recovery in mice.

Ongoing pain is driven by the activation and modulation of pain-sensing neurons, affecting physiology, motor function, and motivation to engage in certain behaviors. The complexity of the pain state has […]

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Combination gene delivery reduces spinal cord pathology in rats with peripheral neuropathic pain.

Although peripheral neuropathic pain (NP) is caused by peripheral nerve injury, it is not simply a peripheral nervous system disease. It causes abnormalities in both the central and peripheral nervous […]

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Modulation of SK channels via calcium buffering tunes intrinsic excitability of parvalbumin interneurons in neuropathic pain: A computational and experimental investigation.

Parvalbumin-expressing interneurons (PVINs) play a crucial role within the dorsal horn of the spinal cord by preventing touch inputs from activating pain circuits. In both male and female mice, nerve […]

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Parabrachial nucleus activity in nociception and pain in awake mice.

The parabrachial nuclear complex (PBN) is a nexus for aversion, and for the sensory and affective components of pain perception. We have previously shown that, during chronic pain, PBN neurons […]

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Biodegradable nanoparticles targeting circulating immune cells reduce central and peripheral sensitization to alleviate neuropathic pain following spinal cord injury.

Neuropathic pain is a critical source of comorbidity following spinal cord injury (SCI) that can be exacerbated by immune-mediated pathologies in the central and peripheral nervous systems. In this article, […]

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Variation in Endpoints in FDA Medication Approvals: A Review of Acute and Preventive Migraine Medications.

To assess the characteristics and extent of variation of the endpoints used in trials supporting FDA approval of medications treating migraine.

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Oral difelikefalin reduces moderate-to-severe pruritus and expression of pruritic and inflammatory biomarkers in subjects with atopic dermatitis.

Pruritus is the most common and burdensome symptom of atopic dermatitis (AD). Pruritus-targeted treatments in AD are lacking, particularly for patients with milder skin disease.

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Difelikefalin suppresses itch and reduces scratching independent of inflammation in a murine model of atopic dermatitis.

Therapies specifically targeting non-histaminergic pruritus are largely lacking. Difelikefalin (DFK) has been found to reduce itch in various chronic pruritic conditions, including atopic dermatitis (AD).

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Abnormal glutamatergic and serotonergic connectivity in visual snow syndrome and migraine with aura.

Neuropharmacological changes in visual snow syndrome (VSS) are poorly understood. We aimed to use receptor target maps combined with resting fMRI data to identify which neurotransmitters might modulate brain circuits […]

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Ropivacaine microsphere-loaded electroconductive nerve dressings for long-acting analgesia and functional recovery following diabetic peripheral nerve injury.

In recent years, electroconductive hydrogels (ECHs) have shown great potential in promoting nerve regeneration and motor function recovery following diabetic peripheral nerve injury (PNI), attributed to their similar electrical and […]

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The timing and magnitude of improvements in depression, anxiety, disability, and pain intensity during an internet-delivered program for chronic pain.

Numerous studies have found that pain management programs are an effective treatment option for people with chronic pain. However, little is known about when people experience improvements during these programs, […]

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Parkinson disease-related pains are not equal: clinical, somatosensory and cortical excitability findings in individuals with nociceptive pain.

Chronic pain is a frequent and burdensome non-motor symptom of Parkinson Disease (PD). PD-related chronic pain can be classified as nociceptive, neuropathic or nociplastic, the former being the most frequent […]

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The Natural History of Knee Osteoarthritis Pain Experience and Risk Profiles.

The study aimed to characterize the natural history of pain experience, concurrently considering intermittent and constant pain over 4 years and determine baseline factors associated with unfavorable trajectories in individuals […]

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Developmental impact of peripheral injury on neuroimmune signaling.

A peripheral injury drives neuroimmune interactions at the level of the injury and throughout the neuraxis. Understanding these systems will be beneficial in the pursuit to target persistent pain that […]

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mGluR5 from primary sensory neurons promotes opioid-induced hyperalgesia and tolerance by interacting with and potentiating synaptic NMDA receptors.

Aberrant activation of presynaptic NMDA receptors (NMDARs) in the spinal dorsal horn is integral to opioid-induced hyperalgesia and analgesic tolerance. However, the signaling mechanisms responsible for opioid-induced NMDAR hyperactivity remain […]

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Serum Biomarkers of Nociceptive and Neuropathic Pain in Chronic Pancreatitis.

Debilitating abdominal pain is a common symptom affecting most patients with chronic pancreatitis (CP). There are multiple underlying mechanisms that contribute to pain which makes successful treatment difficult. The identification […]

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Tralokinumab therapy for moderate-to-severe atopic dermatitis: Clinical outcomes with targeted IL-13 inhibition.

Atopic dermatitis (AD) is a chronic, inflammatory, intensely pruritic skin disorder associated with significant patient burden. Interleukin (IL)-13 is a cytokine that acts as a driver of immune dysregulation, skin-barrier […]

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A female-specific role for trigeminal dynorphin in orofacial pain comorbidity.

Migraine is commonly reported in patients with temporomandibular disorders (TMDs), but little is known about the mechanisms underlying the comorbid condition. Here, we prepared a mouse model to investigate this […]

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Subcortical brain anatomy as a potential biomarker of persistent pain after total knee replacement in osteoarthritis.

The neural mechanisms for the persistence of pain after a technically successful arthroplasty in osteoarthritis (OA) remain minimally studied, and direct evidence of the brain as a predisposing factor for […]

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Descending mechanism by which medial prefrontal cortex endocannabinoid signaling controls the development of neuropathic pain and neuronal activity of dorsal root ganglion.

Although regulation of nociceptive processes in the dorsal horn by deep brain structures has long been established, the role of cortical networks in pain regulation is minimally explored. The medial […]

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Validation of the pediatric version of the Graded Chronic Pain Scale Revised in school-aged children and adolescents.

The Graded Chronic Pain Scale (GCPS) was originally developed to grade the severity of chronic pain conditions in adults. A revised version of this instrument (ie, GCPS-R) has been developed […]

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The optimal learning cocktail for placebo analgesia: a randomized controlled trial comparing individual and combined techniques.

This study investigated for the first time the effects of individual and combined application of three learning techniques (verbal suggestions, classical conditioning, and observational learning) on placebo analgesia and extinction. […]

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Identifying Stress-Exacerbated Thermal-Injury Induced microRNAs.

Using a model of Combat and Operational Stress Reaction (COSR), our lab recently showed that exposure to an unpredictable combat stress (UPCS) procedure prior to a thermal injury increases pain […]

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Prescription Opioid Initiation for Neuropathy, Headache, and Low Back Pain: A US population-based Medicare study.

Neuropathy, headache, and low back pain (LBP) are common conditions requiring pain management. Yet little is known regarding whether access to specialists impacts opioid prescribing. We aimed to identify factors […]

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Genome-wide association study identifies risk loci within the major histocompatibility complex region for Hunner-type interstitial cystitis.

Hunner-type interstitial cystitis (HIC) is a rare, chronic inflammatory disease of the urinary bladder with unknown etiology and genetic background. Here, we conduct a genome-wide association study of 144 patients […]

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Fully printed and self-compensated bioresorbable electrochemical devices based on galvanic coupling for continuous glucose monitoring.

Real-time glucose monitoring conventionally involves non-bioresorbable semi-implantable glucose sensors, causing infection and pain during removal. Despite bioresorbable electronics serves as excellent alternatives, the bioresorbable sensor dissolves in aqueous environments with […]

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Topical coapplication of hyaluronan with transdermal drug delivery enhancers attenuates inflammatory and neuropathic pain.

We have previously shown that intradermal injection of high-molecular-weight hyaluronan (500-1200 kDa) produces localized antihyperalgesia in preclinical models of inflammatory and neuropathic pain. In the present experiments, we studied the […]

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Efficacy and safety of oral roflumilast for moderate-to-severe psoriasis-a randomized controlled trial (PSORRO).

Roflumilast is a targeted inhibitor of phosphodiesterase (PDE)-4 and has been approved for treatment of severe chronic obstructive pulmonary disease for more than a decade. Generic versions are available in […]

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Post-acute sequelae of COVID-19: understanding and addressing the burden of multisystem manifestations.

Individuals with SARS-CoV-2 infection can develop symptoms that persist well beyond the acute phase of COVID-19 or emerge after the acute phase, lasting for weeks or months after the initial […]

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Mitigating neurological, cognitive, and psychiatric sequelae of COVID-19-related critical illness.

Despite advances in the treatment and mitigation of critical illness caused by infection with SARS-CoV-2, millions of survivors have a devastating, post-acute infection syndrome known as long COVID. A large […]

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Variation in Endpoints in FDA Approvals for Acute and Preventive Migraine Medications: Striving to Compare Apples to Apples.

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Dexamethasone Liposomes Alleviate Osteoarthritis in miR-204/-211-Deficient Mice by Repolarizing Synovial Macrophages to M2 Phenotypes.

We undertook this study to investigate the effects and mechanisms of dexamethasone liposome (Dex-Lips) on alleviating destabilization of the medial meniscus (DMM)-induced osteoarthritis (OA) in miR-204/-211-deficient mice. Dex-Lips was prepared […]

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Neurostimulation for Chronic Pain: A Systematic Review of High-Quality Randomized Controlled Trials With Long-Term Follow-Up.

This study aimed to review the best evidence on the long-term efficacy of neurostimulation for chronic pain.

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The Neuropsychiatric Safety Profile of Lasmiditan: A Comparative Disproportionality Analysis with Triptans.

Migraine constitutes the world’s second-leading cause of disability. Triptans, as serotonin 5-HT receptor agonists, remain the first-line treatment, despite discouraged use in individuals at high cardiovascular risk. Lasmiditan, a selective […]

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Sex differences in trigeminal neuralgia: a focus on radiological and clinical characteristics.

It is well established that trigeminal neuralgia is more prevalent in females than in males. Neurovascular compression with morphological changes of the trigeminal root represents the most recognized etiological factor. […]

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Pain, mental health and healthcare utilization: Impact of the COVID-19 pandemic on youth with chronic pain, parents and siblings.

Paediatric chronic pain was a public health emergency before the novel coronavirus (COVID-19) pandemic, and this problem is predicted to escalate. Pain tends to occur intergenerationally in families, and youth […]

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Symptoms associated with headache in youth.

To determine the underlying relationships between a broad range of headache-associated symptoms and how they relate to headache burden.

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The human NTG model of migraine in drug discovery and development.

Various triggers can originate a migraine attack. In healthy volunteers and patients with migraine, the nitroglycerin (NTG) provocation model induces a headache that resembles migraine in pain characteristics and vascular […]

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Cortical spreading depolarization-induced constriction of penetrating arteries can cause watershed ischemia: A potential mechanism for white matter lesions.

Periventricular white matter lesions (WMLs) are common MRI findings in migraine with aura (MA). Although hemodynamic disadvantages of vascular supply to this region create vulnerability, the pathophysiological mechanisms causing WMLs […]

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Efficacy of Targeted Mast cell Inhibition Therapy in Chronic Prostatitis/Chronic Pelvic Pain Syndrome.

To identify a subgroup of patients with mast cell dysfunction in chronic prostatitis/chronic pelvic pain syndrome and evaluate efficacy of mast cell directed therapy.

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Aedes aegypti salivary gland extract alleviates acute itching by blocking TRPA1 channels.

() saliva induces a variety of anti-inflammatory and immunomodulatory activities. Interestingly, although it is known that mosquito bites cause allergic reactions in sensitised hosts, the primary exposure of humans to […]

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Late-Breaking Abstracts from the American Headache Society 65th Annual Scientific Meeting June 15-18, 2023, Austin, Texas.

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A causal effects of gut microbiota in the development of migraine.

The causal association between the gut microbiome and the development of migraine and its subtypes remains unclear.

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Animal Models of Complex Regional Pain Syndrome: A Scoping Review.

Complex Regional Pain Syndrome (CRPS) leads to a debilitating chronic pain condition. The lack of cause, etiology, and treatment for CRPS has been widely explored in animal models.

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Retreating migraine patients in the second year with monoclonal antibodies anti-CGRP pathway: the multicenter prospective cohort RE-DO study.

The outcome of migraine patients retreated with monoclonal antibodies (mAbs) targeting the calcitonin gene-related peptide (anti-CGRP) or its receptor (anti-CGRPr) is not completely known.

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Crossing the border between epileptic and vascular pathology: a report of CACNA1A-related treatment-resistant hemiplegic migraine.

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Astrocyte-Microglia Crosstalk: A Novel Target for the Treatment of Migraine.

Migraine is a pervasive neurologic disease closely related to neurogenic inflammation. The astrocytes and microglia in the central nervous system are vital in inducing neurogenic inflammation in migraine. Recently, it […]

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Aura phenomena do not initiate migraine attacks-Findings from neuroimaging.

As cortical spreading depolarization (CSD) has been suggested to be the cause of migraine aura and as CSD can activate trigeminal nociceptive neurons in animals, it has been suggested that […]

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Melatonin for migraine prevention in children and adolescents: A randomized, double-blind, placebo-controlled trial after single-blind placebo lead-in.

Melatonin is effective for migraine prevention in adults. We hypothesized that melatonin would also be effective for migraine prevention in children and adolescents.

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Spondyloarthritis, acute anterior uveitis, and Crohn’s disease have both shared and distinct gut microbiota.

Spondyloarthritis (SpA) is a group of immune-mediated diseases highly concomitant with non-musculoskeletal inflammatory disorders, such as acute anterior uveitis (AAU) and Crohn’s disease (CD). The gut microbiome represents a promising […]

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First study to assess the reliability of commonly used pain scales in children with disorders of gut-brain interaction.

There are no validated measures to assess chronic abdominal pain (AP) in clinical trials of children with disorders of gut-brain interaction (DGBIs). Currently used AP measures are extrapolated from studies […]

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Influence of Inflammatory Pain and Dopamine on Synaptic Transmission in the Mouse ACC.

Dopamine (DA) inhibits excitatory synaptic transmission in the anterior cingulate cortex (ACC), a brain region involved in the sensory and affective processing of pain. However, the DA modulation of inhibitory […]

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Rapid Generation and Molecular Docking Analysis of Single-Chain Fragment Variable (scFv) Antibody Selected by Ribosome Display Targeting Cholecystokinin B Receptor (CCK-BR) for Reduction of Chronic Neuropathic Pain.

A robust cell-free platform technology, ribosome display in combination with cloning, expression, and purification was utilized to develop single chain Fragment variable (scFv) antibody variants as pain therapy directed at […]

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Humanization of the Reaction Specificity of Mouse Alox15b Inversely Modified the Susceptibility of Corresponding Knock-In Mice in Two Different Animal Inflammation Models.

Mammalian arachidonic acid lipoxygenases (ALOXs) have been implicated in the pathogenesis of inflammatory diseases, and its pro- and anti-inflammatory effects have been reported for different ALOX-isoforms. Human ALOX15B oxygenates arachidonic […]

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Pharmacogenetic Guided Opioid Therapy Improves Chronic Pain Outcomes and Comorbid Mental Health: A Randomized, Double-Blind, Controlled Study.

Interindividual variability in analgesic response is at least partly due to well-characterized polymorphisms that are associated with opioid dosing and adverse outcomes. The Clinical Pharmacogenetics Implementation Consortium (CPIC) has put […]

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Metabolic Biomarkers Differentiate a Surgical Intervertebral Disc from a Nonsurgical Intervertebral Disc.

Degeneration of the intervertebral disc (IVD) is caused by disturbances in metabolic processes, which lead to structural disorders. The aim of this report is to analyze metabolic disorders in the […]

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Translation of Experimental Findings from Animal to Human Biology: Identification of Neuronal Mineralocorticoid and Glucocorticoid Receptors in a Sectioned Main Nerve Trunk of the Leg.

The activation of the mineralocorticoid (MR) and glucocorticoid (GR) receptors on peripheral sensory neurons seems to modify pain perception through both direct non-genomic and indirect genomic pathways. These distinct subpopulations […]

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Calcitonin Related Polypeptide Alpha Mediates Oral Cancer Pain.

Oral cancer patients suffer pain at the site of the cancer. Calcitonin gene related polypeptide (CGRP), a neuropeptide expressed by a subset of primary afferent neurons, promotes oral cancer growth. […]

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Persistent contralateral pain compromises exercise tolerance but does not alter corticomotor responses during repeated, submaximal isometric knee extensions to task failure.

Muscle pain is an important determinant of exercise tolerance, but its relationship with neurophysiological responses during a submaximal exercise trial is unclear. The purpose of this study was to determine […]

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Efficacy and safety of transdermal buprenorphine for acute postoperative pain: A systematic review and meta-analysis.

Transdermal buprenorphine (TBUP) may have some advantages for the management of acute postoperative pain. The aim of this systematic review and meta-analysis was to investigate the efficacy and safety of […]

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Pain Catastrophizing: Controversies, Misconceptions and Future Directions.

Recent reports have pointed to problems with the term ‘pain catastrophizing’. Critiques of the term pain catastrophizing have come from several sources including individuals with chronic pain, advocates for individuals […]

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Ox-inflammasome involvement in neuroinflammation.

Neuroinflammation plays a crucial role in the onset and the progression of several neuropathologies, from neurodegenerative disorders to migraine, from Rett syndrome to post-COVID 19 neurological manifestations. Inflammasomes are cytosolic […]

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4-Cyanamido-substituted benzenesulfonamides act as dual carbonic anhydrase and cathepsin inhibitors.

A set of novel N-cyano-N-substituted 4-aminobenzenesulfonamide derivatives were synthesized and investigated for their inhibitory activity against four cytosolic carbonic anhydrase (CA, EC 4.2.1.1) isoforms (hCA I, II, VII and XIII) […]

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Opioids and Chronic Pain: Impact of the NIH Pathways to Prevention Evidence-Based Workshop Program.

The National Institutes of Health (NIH) Office of Disease Prevention (ODP) sponsors Pathways to Prevention (P2P), an evidence-based scientific workshop program that helps advance prevention research. Each P2P workshop is […]

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Sex and stress hormone dysregulation as clinical manifestations of hypothalamic function in migraine disorder: A meta-analysis.

Migraine is a leading cause of disability in young adults. It occurs more frequently in females, often comorbidly with stress disorders, suggesting an association with hypothalamic sex and stress hormonal […]

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Hydrogel device for analgesic drugs with in-situ loading and polymerization.

The high prevalence of opioid addiction and the shortcomings of systemic opioids has increased the pace of the search for alternative methods of pain management. The local delivery of pain […]

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Tumor necrosis factor-α-induced protein 8-like 2 alleviates morphine antinociceptive tolerance through reduction of ROS-mediated apoptosis and MAPK/NF-κB signaling pathways.

Chronic morphine tolerance is a repulsive barrier to the clinical treatment of pain. Whereas the underlying molecular mechanisms of morphine tolerance remain unknown. Here, we proposed that tumor necrosis factor-α-induced […]

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Race, Ethnicity, and Belief in a Just World: Implications for Chronic Pain Acceptance Among Individuals with Chronic Low Back Pain.

Chronic pain acceptance is a psychological process consistently linked with improved functional outcomes. However, existing research on this construct has not considered the role of racial or ethnic background, despite […]

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“My gut feeling is…”: An ethnographic study exploring interprofessional communication about children and adolescents with chronic musculoskeletal pain in paediatric rheumatology.

Interprofessional communication about inflammatory and non-inflammatory musculoskeletal conditions is an important component of assessment and management in paediatric rheumatology. Chronic pain is a feature of some of these conditions which […]

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Treatment with GLP-1 receptor agonists is associated with significant weight loss and favorable headache outcomes in idiopathic intracranial hypertension.

In idiopathic intracranial hypertension (IIH), sustained weight loss is the main pillar in modifying disease course, whereby glucagon-like peptide-1 receptor agonists (GLP-1-RAs) could present an attractive treatment option.

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Preventive treatment patterns and treatment satisfaction in migraine: results of the OVERCOME (EU) study.

Insights into the burden, needs and treatment of migraine from internet-based surveys in diverse real-world migraine populations are needed, especially at a time when novel preventive migraine medications are becoming […]

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The intersection of drug use discrimination and racial discrimination in the management of chronic non-cancer pain in United States primary care safety-net clinics: Implications for healthcare system and clinic-level changes.

Clinicians’ bias related to patients’ race and substance use history play a role in pain management. However, patients’ or clinicians’ understandings about discriminatory practices and the structural factors that contribute […]

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The multi-generational familial aggregation of interstitial cystitis, other chronic nociplastic pain disorders, depression, and panic disorder.

Interstitial cystitis/painful bladder syndrome (IC) is a chronic pelvic pain condition which has high comorbidity with other nociplastic, or unexplained, pain disorders [e.g. fibromyalgia (FM), irritable bowel syndrome (IBS), and […]

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Antihyperalgesic effect of joint mobilization requires Cav3.2 calcium channels.

The present study was undertaken to explore the relative contributions of Cav3.2 T-type channels to mediating the antihyperalgesic activity of joint manipulation (JM) therapy. We used the chronic constriction injury model […]

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The effect of sex and estrus cycle stage on optogenetic spreading depression induced migraine-like pain phenotypes.

Migraine is more prevalent in females, raising the possibility that sex and gonadal hormones modulate migraine. We recently demonstrated that minimally invasive optogenetic spreading depolarization (opto-SD) elicits robust periorbital allodynia. […]

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Effectiveness and safety of high-voltage pulsed radiofrequency to treat patients with primary trigeminal neuralgia: a multicenter, randomized, double-blind, controlled study.

Trigeminal neuralgia (TN) is a debilitating pain disorder that still lacks an ideal treatment option. Pulsed radiofrequency (PRF), especially with high output voltage, is a novel and minimally invasive technique. […]

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Calretinin-expressing islet cells are a source of pre- and post-synaptic inhibition of non-peptidergic nociceptor input to the mouse spinal cord.

Unmyelinated non-peptidergic nociceptors (NP afferents) arborise in lamina II of the spinal cord and receive GABAergic axoaxonic synapses, which mediate presynaptic inhibition. However, until now the source of this axoaxonic […]

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Senso-immunology: the past, present, and future.

Pain and mechanical stimulation are thought to be alarm systems that alert the brain to physical abnormalities. When we experience unpleasant feelings in infected or traumatized tissues, our awareness is […]

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Stress specifically deteriorates working memory in peripheral neuropathic pain and fibromyalgia.

This study aimed to explore the influence of chronic stress, measured through hair cortisol, on executive functions in individuals with chronic pain. We expected that there would be significant differences […]

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Should we oppose or combine waveforms for Spinal Cord Stimulation in PSPS-T2 patients? A Prospective Randomized Crossover Trial (MULTIWAVE Study).

Refractory Persistent Spinal Pain Syndrome after surgery (PSPS-T2) can be successfully addressed by Spinal Cord Stimulation (SCS). While conventional stimulation generates paraesthesia, recent systems enable delivery of paresthesia-free stimulation. Studies […]

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Exploring the Lived Experiences of Pain in Military Families: A Qualitative Examination.

Chronic pain in Canadian Veterans is twice that of the general population and the prevalence of their related mental health concerns is alarmingly high. This likely puts their children at […]

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Tianeptine promotes lasting antiallodynic effects in a mouse model of neuropathic pain.

Tricyclic antidepressants (TCAs), such as desipramine (DMI), are effective at managing neuropathic pain symptoms but often take several weeks to become effective and also lead to considerable side effects. Tianeptine […]

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Pinprick-induced gamma-band oscillations are not a useful electrophysiological marker of pinprick hypersensitivity in humans.

This study aimed to investigate scalp gamma-band oscillations (GBOs) induced by mechanical stimuli activating skin nociceptors before and after the induction of mechanical hypersensitivity using high-frequency electrical stimulation (HFS) of […]

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Mind and skin: Exploring the links between inflammation, sleep disturbance and neurocognitive function in patients with atopic dermatitis.

Atopic dermatitis (AD) is a chronic, pruritic and inflammatory, dry skin condition with many known comorbidities. These include airway disease, food allergies, atopic eye disease and autoimmune conditions. Furthermore, there […]

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[Complementary and supplementary procedures in the treatment of headache].

In Germany, headache is one of the illnesses that most frequently leads to health impairments and to consultation with physicians. Even in children, headache is often associated with restricted activities […]

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[Nociplastic pain in research and practice : Overview of biopsychosocial principles, possibilities and difficulties].

Traditionally, two mechanistic pain categories were distinguished: nociceptive and neuropathic pain. After the definitions of these two mechanistic descriptors were refined more precisely in the International Association for the Study […]

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MRGPRX2, drug pseudoallergies, inflammatory diseases, mechanisms, and distinguishing MRGPRX2- and IgE/FcεRI-mediated events.

MRGPRX2, a novel G -coupled human mast cell receptor, mediates non-immune adverse reactions without the involvement of antibody priming. Constitutively expressed by human skin mast cells, MRGPRX2 modulates cell degranulation […]

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Effect of vitamin D on inflammatory and clinical outcomes in patients with rheumatoid arthritis: a systematic review and dose-response meta-analysis of randomized controlled trials.

Rheumatoid arthritis is a chronic inflammatory disease that causes synovitis. Vitamin D deficiency is common in rheumatoid arthritis.

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Health economic impact of moderate-to-severe chronic pain associated with osteoarthritis in England: a retrospective analysis of linked primary and secondary care data.

Despite the prevalence of osteoarthritis (OA) in England, few studies have examined the health economic impact of chronic pain associated with OA. The aim of this study was to compare […]

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Headache frequency and neck pain are associated with trapezius muscle T2 in tension-type headache among young adults.

Tension-type headache (TTH) is the most prevalent primary headache disorder. Neck pain is commonly associated with primary headaches and the trigemino-cervical complex (TCC) refers to the convergence of trigeminal and […]

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Onabotulinum toxin A block of the sphenopalatine ganglion in patients with persistent idiopathic facial pain: a randomized, triple-blind, placebo-controlled, exploratory, cross-over study.

To investigate the efficacy and safety of injecting onabotulinum toxin A (BTA) towards the sphenopalatine ganglion (SPG) using the MultiGuide® in patients with persistent idiopathic facial pain (PIFP).

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Lomerizine inhibits LPS-mediated neuroinflammation and tau hyperphosphorylation by modulating NLRP3, DYRK1A, and GSK3α/β.

Lomerizine is a calcium channel blocker that crosses the blood-brain barrier and is used clinically in the treatment of migraines. However, whether lomerizine is beneficial in modulating neuroinflammatory responses has […]

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Editorial: Updating amyloid neuropathy knowledge: from diagnosis to treatment.

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Demographic and clinical factors associated with psychological wellbeing in people with chronic, non-specific musculoskeletal pain engaged in multimodal rehabilitation: -a cross-sectional study with a correlational design.

To investigate which demographic and clinical factors were associated with psychological wellbeing in working-aged people in multimodal rehabilitation for musculoskeletal disorders.

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Research Progress on the Pathogenesis of Knee Osteoarthritis.

Knee osteoarthritis (KOA) is a chronic joint bone disease characterized by inflammatory destruction and hyperplasia of bone. Its main clinical symptoms are joint mobility difficulties and pain, severe cases can […]

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Localization in headache medicine: A systematic approach to diagnosis.

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Usability and acceptability of virtual reality for chronic pain management among diverse patients in a safety-net setting: a qualitative analysis.

The aim of this study was to understand the usability and acceptability of virtual reality (VR) among a racially and ethnically diverse group of patients who experience chronic pain.

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Referred pain: characteristics, possible mechanisms, and clinical management.

Referred pain is a common but less understood symptom that originates from somatic tissues. A comprehensive recognition of referred pain is important for clinicians when dealing with it. The purpose […]

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Predictive Model for the Non-Invasive Diagnosis of Endometriosis Based on Clinical Parameters.

Are other pain symptoms in addition to dysmenorrhea, dyspareunia, dyschezia, dysuria, and chronic pelvic pain correlated to endometriosis and suitable for a clinical prediction model?

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Small molecule allosteric modulation of the adenosine A receptor.

G protein-coupled receptors (GPCRs) represent the target for approximately a third of FDA-approved small molecule drugs. The adenosine A receptor (AR), one of four adenosine GPCR subtypes, has important (patho)physiological […]

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Anti-NGF treatment worsens subchondral bone and cartilage measures while improving symptoms in floor-housed rabbits with osteoarthritis.

Osteoarthritis (OA) is a common joint disorder often affecting the knee. It is characterized by alterations of various joint tissues including subchondral bone and by chronic pain. Anti-nerve growth factor […]

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An explorative study on proteomic analyses related to inflammation and pain in children with juvenile idiopathic arthritis.

Our aim was attempting to find proteins involved in the pain process and correlating with pain but not degree of inflammation in children with juvenile idiopathic arthritis (JIA), using a […]

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Migraine with aura detection and subtype classification using machine learning algorithms and morphometric magnetic resonance imaging data.

Migraine with aura (MwA) is a neurological condition manifested in moderate to severe headaches associated with transient visual and somatosensory symptoms, as well as higher cortical dysfunctions. Considering that about […]

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The Relationship Between Chronic Pain and Cognitive Impairment in the Elderly: A Review of Current Evidence.

Chronic pain and cognitive impairment are prevalent geriatric syndromes in the population of older adults, and they are the main cause of disability in people over sixty-five years of age. […]

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Understanding the Experience and Impacts of Brain Fog in Chronic Pain: A Scoping Review.

Approximately 15% to 40% of persons with chronic pain as a primary disorder experience brain fog. Prior research has investigated the etiology of “brain fog” in conditions in which pain […]

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Menière’s disease with migraine, Menière’s disease without migraine and Vestibular migraine: clinical differences.

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Emodin alleviates chronic constriction injury-induced neuropathic pain and inflammation via modulating PPAR-gamma pathway.

Neuropathic pain has been characterized as chronic pain resulting from pathological damage to the sensorimotor system. Because of its complex nature, it remains refractory to most of the therapeutic interventions, […]

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Deficient AMPK activity contributes to hyperexcitability in peripheral nociceptive sensory neurons and thermal hyperalgesia in lupus mice.

Patients with systemic lupus erythematosus (SLE) often suffer from chronic pain. Little is known about the peripheral mechanisms underlying the genesis of chronic pain induced by SLE. The aim of […]

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Impact of antidepressant medication on the analgetic effect of repetitive transcranial magnetic stimulation treatment of neuropathic pain. Preliminary findings from a registry study.

Repetitive transcranial magnetic stimulation (rTMS) has been found to be effective in chronic neuropathic pain conditions. However, information about the combined effects of rTMS and antidepressant treatment is scarce. We […]

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Burden and Unmet Needs in Migraine Patients: Results from the OVERCOME (Spain) Study.

This analysis aimed to evaluate demographics, migraine-related disability, symptoms, diagnosis and healthcare consultation, work productivity, and treatment patterns according to headache frequency in adults with migraine in the OVERCOME (ObserVational […]

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Risk Factors for the Development of Multisite Pain in Children.

Chronic pain has economic costs on par with cardiovascular disease, diabetes, and cancer. Despite this impact on the health care system and an increasing awareness of the relationship between pain […]

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Ventral Hippocampal CA1 Pyramidal Neurons Encode Nociceptive Information.

As a main structure of the limbic system, the hippocampus plays a critical role in pain perception and chronicity. The ventral hippocampal CA1 (vCA1) is closely associated with negative emotions […]

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Congress of Neurological Surgeons Systematic Review and Evidence-Based Guidelines for Occipital Nerve Stimulation for the Treatment of Patients With Medically Refractory Occipital Neuralgia: Update.

The Guidelines Task Force conducted a systematic review of the relevant literature on occipital nerve stimulation (ONS) for occipital neuralgia (ON) to update the original 2015 guidelines to ensure timeliness […]

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Analysis of Japanese nationwide health datasets: association between lifestyle habits and prevalence of neuropathic pain and fibromyalgia with reference to dementia-related diseases and Parkinson’s disease.

Chronic pain is defined as pain that persists or recurs for more than 3 months. This study focuses on neuropathic pain (NP) and fibromyalgia (FM) which are chronic pain states, and […]

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Catastrophizing moderates the relationship between pain severity and depressive symptomatology among women with endometriosis.

The link between pain severity, depressive symptomatology and catastrophizing among women with endometriosis is still under-investigated. The aim of this study was to (i) evaluate differences in depressive symptomatology between […]

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Substance Use Disorders in Adolescents and Young Adults: History and Perioperative Considerations From the Society for Pediatric Pain Medicine.

Substance use disorders (SUDs) are on the rise in children and young adults in the United States. According to reports, over 40 million people aged 12 and older had a […]

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Age-, gender- and body site-specific reference values of thermal Quantitative Sensory Testing in the Italian population using the Q-sense device.

Age-, gender- and body site-specific values of thermal Quantitative Sensory Testing (QST) measures have not yet been reported using the novel and cheap device ‘Q-sense’. Here, we aimed to assess […]

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Urinary TNF-α as a potential biomarker for chronic primary low back pain.

Over two thirds of individuals with low back pain (LBP) may experience recurrent or persistent symptoms in the long term. Yet, current data do not allow to predict who will […]

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The Anti-Arthritic Activity of Diclofenac Lipid-Core Nanocapsules: Stereological Analysis Showing More Protection of Deep Joint Components.

Diclofenac is the most prescribed nonsteroidal anti-inflammatory drug worldwide and is used to relieve pain and inflammation in inflammatory arthritis. Diclofenac is associated with serious adverse effects, even in regular-dose […]

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Specialized Pro-Resolving Lipid Mediators: Endogenous Roles and Pharmacological Activities in Infections.

During an infection, inflammation mobilizes immune cells to eliminate the pathogen and protect the host. However, inflammation can be detrimental when exacerbated and/or chronic. The resolution phase of the inflammatory […]

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Assessing the Feasibility of a Multimodal Approach to Pain Evaluation in Early Stages after Spinal Cord Injury.

This research evaluates the feasibility of a multimodal pain assessment protocol during rehabilitation following spinal cord injury (SCI). The protocol amalgamates clinical workup (CW), quantitative sensory testing (QST), and psychosocial […]

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Inflammasome in Skeletal Muscle: NLRP3 Is an Inflammatory Cell Stress Component in Inclusion Body Myositis.

Inclusion body myositis (IBM) is a chronic, mostly treatment-resistant, inflammatory myopathy with a pathology that centers around specific interactions between inflammation and protein accumulation. The study aimed to identify the […]

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State of the Art in Temporomandibular Joint Arthrocentesis-A Systematic Review.

Temporomandibular joint disorders are a heterogenic group of clinical conditions, which impair physiological functioning of the masticatory system. Arthrocentesis of the temporomandibular joint has become a widely approved method for […]

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Habituation to Pain in Patients with Chronic Pain: Clinical Implications and Future Directions.

In this review, the latest insights into habituation to pain in chronic pain are summarized. Using a systematic search, results of studies on the evidence of habituation to (experimental) pain […]

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The Biology of Chronic Pain and Its Implications for Pain Neuroscience Education: State of the Art.

Pain is an individualized experience for the person suffering from chronic pain. Significant strides have been made in the last few decades in understanding various biological changes that coincide with […]

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Assessment of Pain and Inflammation in Domestic Animals Using Infrared Thermography: A Narrative Review.

Pain assessment in domestic animals has gained importance in recent years due to the recognition of the physiological, behavioral, and endocrine consequences of acute pain on animal production, welfare, and […]

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F-FDG and F-NaF PET/CT Global Assessment of Large Joint Inflammation and Bone Turnover in Rheumatoid Arthritis.

Rheumatoid arthritis (RA) involves chronic inflammation of synovial joints, causing pain, stiffness, and limited mobility. F-sodium fluoride (NaF) is a PET tracer whose uptake reflects bone turnover, while F-fludeoxyglucose (FDG) […]

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GLP-1R agonist liraglutide attenuates pain hypersensitivity by stimulating IL-10 release in a nitroglycerin-induced chronic migraine mouse model.

Glucagon-like peptide-1 receptor (GLP-1R) has been indicated to involve in chronic pain, however, the mechanism by which GLP-1R alleviates the central sensitization of chronic migraine (CM) remains unclear. Treatment with […]

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Notch signaling pathway: a new target for neuropathic pain therapy.

The Notch gene, a highly evolutionarily conserved gene, was discovered approximately 110 years ago and has been found to play a crucial role in the development of multicellular organisms. Notch receptors […]

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MAPK-ERK-CREB signaling pathway upregulates Nav1.6 in oxaliplatin-induced neuropathic pain in the rat.

The voltage-gated sodium channel subtype Nav1.6 is involved in the electrophysiological changes of primary sensory neurons that occur in oxaliplatin-induced neuropathic pain, but its regulatory mechanism remains unclear. In this […]

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The G protein-coupled estrogen receptor of the trigeminal ganglion regulates acute and chronic itch in mice.

Itch is an unpleasant sensation that severely impacts the patient’s quality of life. Recent studies revealed that the G protein-coupled estrogen receptor (GPER) may play a crucial role in the […]

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Using artificial intelligence to identify patients with migraine and associated symptoms and conditions within electronic health records.

Real-world evidence (RWE)-based on information obtained from sources such as electronic health records (EHRs), claims and billing databases, product and disease registries, and personal devices and health applications-is increasingly used […]

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Efficacy of mindfulness added to treatment as usual in patients with chronic migraine and medication overuse headache: a phase-III single-blind randomized-controlled trial (the MIND-CM study).

Mindfulness gained considerable attention for migraine management, but RCTs are lacking. We aimed to assess the efficacy of a six-sessions mindfulness-based treatment added to treatment as usual (TaU) in patients […]

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NLR family pyrin domain containing 3 (NLRP3) inflammasomes and peripheral neuropathic pain – Emphasis on microRNAs (miRNAs) as important regulators.

Neuropathic pain is caused by the lesion or disease of the somatosensory system and can be initiated and/or maintained by both central and peripheral mechanisms. Nerve injury leads to neuronal […]

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Integrated analysis reveals Atf3 promotes neuropathic pain via orchestrating JunB mediated release of inflammatory cytokines in DRG macrophage.

The dorsal root ganglion (DRG) is actively involved in the development of neuropathic pain (NP), serving as an intermediate station for pain signals from the peripheral nervous system to the […]

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Mini-Review: Enteric Glial Cell Reactions to Inflammation and Potential Therapeutic Implications for GI Diseases, Motility Disorders and Abdominal Pain.

Enteric glial cells are emerging as critical players in the regulation of intestinal motility, secretion, epithelial barrier function, and gut homeostasis in health and disease. Enteric glia react to intestinal […]

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IL-33/ST2 signaling in pain and itch: Cellular and molecular mechanisms and therapeutic potentials.

Pain is a cardinal feature of many diseases. Chronic pain poses heavy burdens to the suffering patients, both physically and mentally. However, current mainstream medications for chronic pain, including opioids, […]

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A model of neurovascular coupling and its application to cortical spreading depolarization.

Cortical spreading depolarization (CSD) is a neuropathological condition involving propagating waves of neuronal silence, and is related to multiple diseases, such as migraine aura, traumatic brain injury (TBI), stroke, and […]

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Post-Marketing Safety Surveillance of Tofacitinib over 9 Years in Patients with Psoriatic Arthritis and Rheumatoid Arthritis.

The safety of tofacitinib in psoriatic arthritis (PsA) and rheumatoid arthritis (RA) has been demonstrated in clinical studies of ≤ 4 and 9.5 years, respectively. Post-marketing surveillance (PMS) data for tofacitinib from spontaneous […]

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A COX-2 Inhibitor Does Not Interfere With the Bone-Protective Effects of Loading in Male Mice With Arthritis.

Mechanical loading enhances bone strength and counteracts arthritis-induced inflammation-mediated bone loss in female mice. It is unknown whether nonsteroidal anti-inflammatory drugs (NSAIDs; eg, COX-2 inhibitors) can reduce inflammation without affecting […]

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Adipose-derived stem cells modulate neuroinflammation and improve functional recovery in chronic constriction injury of the rat sciatic nerve.

Compressive neuropathy, a common chronic traumatic injury of peripheral nerves, leads to variable impairment in sensory and motor function. Clinical symptoms persist in a significant portion of patients despite decompression, […]

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A systematic literature review on the role of glial cells in the pathomechanisms of migraine.

The pathomechanisms underlying migraine are intricate and remain largely unclear. Initially regarded as a neuronal disorder, migraine research primarily concentrated on understanding the pathophysiological changes within neurons. However, recent advances […]

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Pharmacological modulation of P2X4 in inflammatory bowel diseases: the way towards novel therapeutics?

Inflammatory bowel diseases (IBDs) are a group of idiopathic, chronic, relapsing, inflammatory conditions, which include ulcerative colitis (UC) and Crohn’s disease (CD). These disorders are characterised by intestinal symptoms associated […]

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Debate: differences and similarities between tension-type headache and migraine.

Tension-type headache (TTH) and migraine are two common primary headaches distinguished by clinical characteristics according to the 3 edition of the International Classification of Headache Disorders. Migraine is identified by […]

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Extracellular vesicles derived from umbilical cord mesenchymal stromal cells show enhanced anti-inflammatory properties via upregulation of miRNAs after pro-inflammatory priming.

Autoimmune conditions, such as rheumatoid arthritis, are characterised by a loss of immune tolerance, whereby the immune cells attack self-antigens causing pain and inflammation. These conditions can be brought into […]

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Why is polymyalgia rheumatica a disease of older adults? Explanations through etiology and pathogenesis: a narrative review.

Polymyalgia rheumatica is one of the most common inflammatory rheumatic conditions in older adults. The disease is characterized by pain and stiffness in the shoulder and pelvic girdle. Polymyalgia rheumatica […]

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Molecular mechanisms of morphine tolerance and dependence; novel insights and future perspectives.

Drug addiction is a devastating condition that poses a serious burden on the society. The use of some drugs like morphine for their tremendous analgesic properties is also accompanied with […]

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Electroacupuncture relieves chronic pain by promoting microglia M2 polarization in lumbar disc herniation rats.

Electroacupuncture has an effective analgesia on chronic pain caused by lumbar disc herniation (LDH) clinically, however, the underlying mechanism is unclear. In this study, we investigated whether electroacupuncture alleviated pain […]

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Sustainability of cognitive behavioural interventions for chronic back pain: A long-term follow-up.

There is a significant research gap with respect to the long-term sustainability of psychological treatment effects in chronic pain patients. This study aimed to investigate long-term treatment effects of two […]

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Nitro-benzylideneoxymorphone, a bifunctional mu and delta opioid receptor ligand with high mu opioid receptor efficacy.

There is a major societal need for analgesics with less tolerance, dependence, and abuse liability. Preclinical rodent studies suggest that bifunctional ligands with both mu (MOPr) and delta (DOPr) opioid […]

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TMEM100 Regulates Neuropathic Pain by Reducing the Expression of Inflammatory Factors.

There is no effective treatment for peripheral nerve injury-induced chronic neuropathic pain (NP), which profoundly impacts the quality of life of those affected. Transmembraneprotein100 (TMEM100) is considered to be a […]

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Spinal Excitability in Patients with Painful Chronic Pancreatitis.

Abdominal pain is common in patients with chronic pancreatitis (CP), but management is challenging – possibly due to altered pain processing within the central nervous system rendering conventional treatments ineffective. […]

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Corneal confocal microscopy demonstrates sensory nerve loss in children with autism spectrum disorder.

Autism spectrum disorder (ASD) is a developmental disorder characterized by difficulty in communication and interaction with others. Postmortem studies have shown cerebral neuronal loss and neuroimaging studies show neuronal loss […]

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Editorial: Women in science: pharmacological treatment of pain.

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Topical capsaicin for the management of painful diabetic neuropathy: a narrative systematic review.

To investigate the potential benefit of topical capsaicin formulations. A narrative systematic review was employed. About 8% Capsaicin patches were found to significantly reduce symptoms of diabetic peripheral neuropathy. Capsaicin was […]

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Fentanyl and other New Psychoactive Synthetic Opioids. Challenges to Prevention and Treatment.

Synthetic opioids have played a significant role in the current opioid crisis in the United States (U.S.) and Canada and are a matter of concern worldwide. New psychoactive opioids (NPOs) […]

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Socioeconomic Characteristics Associated With Development of Chronic Pain After Pain Interference Experienced in Early Adulthood.

Predictors of pain persistence have been identified among patients undergoing treatment for chronic pain or related conditions, but correlates of pain persistence in the general population remain underexplored. We identify […]

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Interpretation of the Patient Health Questionnaire 9 in High-impact Chronic Pain: Do we Measure Depressive Symptoms the way we Think?

Depression is prevalent among patients with chronic pain and may impact pain management. Accurate assessment is, however, complicated by overlapping symptoms. This study investigated how patients with high-impact chronic pain […]

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Learning, Hope, and Empowerment: A Reflexive Thematic Analysis of Feedback on a Group Intervention for Parents of Youth With Chronic Pain.

Limited research has investigated parent-targeted interventions in pediatric chronic pain, though these interventions may be an important part of family-centered care. Further, parent perspectives and feedback regarding these interventions are […]

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People’s experiences living with peripheral neuropathy: a qualitative study.

Peripheral neuropathy is a neurological disorder characterised by pain, numbness, or tingling due to nerve damage. Peripheral neuropathy is one of the main health issues in Kuwait and is a […]

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Accuracy of retrospective pain measurement in patients with chronic pain.

The use of pain scales that refer to a past time period is thereby based on the assumption that patients accurately remember their ‘average’, ‘greatest’ and ‘least’ pain. The present […]

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Rare GPR37L1 variants reveal potential roles in anxiety and migraine disorders.

GPR37L1 is an orphan receptor that couples through heterotrimeric G-proteins to regulate physiological functions. Since its role in humans is not fully defined, we used an unbiased computational approach to […]

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Both systemic Calcitonin Gene Related Peptide (CGRP) and a vestibular challenge promote anxiety-related behaviors and dynamic imbalance in mice.

Motion-induced anxiety and agoraphobia are more frequent symptoms in patients with vestibular migraine than migraine without vertigo. The neuropeptide calcitonin gene-related peptide (CGRP) is a therapeutic target for migraine and […]

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Neuron-dependent tuft cell expansion initiates sinonasal allergic Type 2 inflammation.

It is unknown whether interactions between tuft cells and trigeminal sinonasal neurons contribute to allergic disease. Intranasal administration of house dust mite or fungal allergens induced tuft cell expansion, eosinophilia, […]

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Spared nerve injury causes motor phenotypes unrelated to pain in mice.

Most animal models of neuropathic pain use targeted nerve injuries quantified with motor reflexive measures in response to an applied noxious stimulus. These motor reflexive measures can only accurately represent […]

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Emergent epileptiform activity drives spinal sensory circuits to generate ectopic bursting in intraspinal afferent axons after cord injury.

Spinal cord injury ( ) leads to hyperexcitability and dysfunction in spinal sensory processing. As hyperexcitable circuits can become epileptiform elsewhere, we explored whether such activity emerges in spinal sensory […]

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Progress in Pathological and Therapeutic Research of HIV-Related Neuropathic Pain.

HIV-related neuropathic pain (HRNP) is a neurodegeneration that gradually develops during the long-term course of acquired immune deficiency syndrome (AIDS) and manifests as abnormal sock/sleeve-like symmetrical pain and nociceptive hyperalgesia […]

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