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Papers: 4 Jan 2025 - 10 Jan 2025

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Cerebellar Bergmann glia integrate noxious information and modulate nocifensive behaviors.

The cerebellum is activated by noxious stimuli and pathological pain but its role in noxious information processing remains unknown. Here, we show that in mice, cutaneous noxious electrical stimuli induced […]

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BLOOD PROTEOMICS AND MULTIMODAL RISK PROFILING of human volunteers after incision injury: a translational study for advancing Personalized Pain Management After Surgery.

A significant number of patients develop chronic pain after surgery, but prediction of those who are at risk is currently not possible. Thus, prognostic prediction models that include bio-psycho, social […]

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Chronic Pain and High-impact Chronic Pain in U.S. Adults, 2023.

This report uses data from the 2023 National Health Interview Survey to provide updated percentages of adults who experienced chronic pain and high-impact chronic pain in the past 3 months […]

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Cognitive impairments in chronic pain: a brain aging framework.

Chronic pain (CP) not only causes physical discomfort but also significantly affects cognition. This review first summarizes emerging findings that reveal complex associations between CP and cognitive impairments, and then […]

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Molecular hydrogen reduces dermatitis-induced itch, diabetic itch and cholestatic itch by inhibiting spinal oxidative stress and synaptic plasticity via SIRT1-β-catenin pathway in mice.

Chronic itch which is primarily associated with dermatologic, systemic, or metabolic disorders is often refractory to most current antipruritic medications, thus highlighting the need for improved therapies. Oxidative damage is […]

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Conformational Plasticity and Binding Affinity Enhancement Controlled by Linker Derivatization in Macrocycles.

Macrocycles are abundantly used by nature to enable cell-permeable bioactive molecules. Synthetic non-peptidic macrocycles are also increasingly considered as modalities for difficult-to-bind proteins but guidelines for macrocyclization are only beginning […]

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Sleep deprivation affects pain sensitivity by increasing oxidative stress and apoptosis in the medial prefrontal cortex of rats via the HDAC2-NRF2 pathway.

Sleep is crucial for sustaining normal physiological functions, and sleep deprivation has been associated with increased pain sensitivity. The histone deacetylases (HDACs) are known to significantly regulate in regulating neuropathic […]

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Refining Chronic Pain Phenotypes: A Comparative Analysis of Sociodemographic and Disease-Related Determinants Using Electronic Health Records.

The use of electronic health records (EHR) for chronic pain phenotyping has gained significant attention in recent years, with various algorithms being developed to enhance accuracy. Structured data fields (e.g., […]

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Multiple mechanisms of action for an extremely painful venom.

Evolutionary arms races can lead to extremely specific and effective defense mechanisms, including venoms that deter predators by targeting nociceptive (pain-sensing) pathways. The venom of velvet ants (Hymenoptera: Mutillidae) is […]

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Curvilinear regression analysis and ranking of migraine treatment drugs using degree-based topological indices and the WASPAS method.

Topological indices, derived from molecular graphs, provide valuable numerical descriptors for the comprehensive analysis of pharmaceuticals. These indices are pivotal in the physicochemical characterization and predictive assessment of various drugs. […]

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Multitargeting Pt(IV) Derivatives of Cisplatin or Oxaliplatin Inhibit Tumor Growth in Mice without Inducing Neuropathic Pain.

Cisplatin and oxaliplatin are Pt(II) anticancer agents that are used to treat several cancers, usually in combination with other drugs. Their efficacy is diminished by dose-limiting peripheral neuropathy (PN) that […]

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Do cytokines play a role in the transition from acute to chronic musculoskeletal pain?

Musculoskeletal pain has a high prevalence of transition to chronic pain and/or persistence as chronic pain for years or even a lifetime. Possible mechanisms for the development of such pain […]

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High-resolution whole-genome DNA methylation revealed unique signatures of painful diabetic neuropathy.

The aim of this work was to describe the DNA methylation signature and to identify genes associated with neuropathic pain in type 2 diabetes mellitus. We analyzed two independent diabetic […]

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G-protein-coupled estrogen receptor 30 regulation of signaling downstream of protein kinase Cε mediates sex dimorphism in hyaluronan-induced antihyperalgesia.

High molecular weight hyaluronan (HMWH) inhibits hyperalgesia induced by diverse pronociceptive inflammatory mediators and their second messengers, in rats of both sexes. However, the hyperalgesia induced by ligands at 3 […]

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Enhanced behavioural and neural sensitivity to punishments in chronic pain and fatigue.

Chronic pain and fatigue in musculoskeletal disease contribute significantly to disability, and recent studies suggest an association with reduced motivation and excessive fear avoidance. In this behavioural neuroimaging study, we […]

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Migraine in men.

Migraine is a common primary headache disorder, less frequently affecting men than women, and often regarded as predominantly a “women’s disease.” Despite this, migraine in men presents with unique characteristics […]

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Unraveling the hormonal approaches for the treatment of rheumatoid arthritis and its complementary interventions.

Rheumatoid Arthritis (RA) is an autoimmune, chronic, systemic inflammatory disease that causes redness, swelling, stiffness, and joint pain. It is a long-lasting disease that can have a widespread impact on […]

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Early-life exposure to cisplatin induces neuropathic pain.

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microRNAs involved in neuropathic pain can be measured in saliva.

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Pain and the perception of space in fibromyalgia.

The Economy of action hypothesis postulates that bodily states rescale the perception of the individual’s environment’s spatial layout. The estimation of distances and slopes in navigation space (i.e. the space […]

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N-Demethylsinomenine Relieves Neuropathic Pain in Male Mice Mainly via Regulating α2-Subtype GABA Receptors.

N-Demethylsinomenine (NDSM) demonstrates good analgesic efficacy in preclinical pain models. However, how NDSM exerts analgesic actions remains unknown.

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Tolosa-Hunt syndrome in children and adolescents: A systematic review.

This systematic review aims to consolidate and analyze the existing evidence on Tolosa-Hunt syndrome (THS) in the pediatric population, focusing on clinical features, diagnostic challenges, treatment outcomes, and prognosis.

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TrkB Agonist (7,8-DHF)-Induced Responses in Dorsal Root Ganglia Neurons Are Decreased after Spinal Cord Injury: Implication for Peripheral Pain Mechanisms.

Brain-derived neurotrophic factor (BDNF) and tropomyosin receptor kinase B (TrkB) are known to contribute to both protective and pronociceptive processes. However, their contribution to neuropathic pain after spinal cord injury […]

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Gabapentinoids related psychiatric disorders: an analysis based on the FAERS database from 2004 to 2023.

Gabapentinoids, including gabapentin and pregabalin, are commonly used for neuropathic pain but have safety concerns. This study analyzed U.S. Food and Drug Administration’s (FDA) Adverse Event Reporting System (FAERS) data […]

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Neural regulation of pain anticipation is associated with mindful behavior change in patients with anxiety or depression: A pilot study.

Behavior change often requires overcoming discomfort or difficult emotions. Emotional dysregulation associated with anxiety or depression may prevent behavior change initiation among people managing chronic illness. Mindfulness training may catalyze […]

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Joint Terminology Report: Terminology Standardization for Female Bladder Pain Syndrome.

Female bladder pain syndrome (FBPS), previously known as interstitial cystitis/bladder pain syndrome, is a life-altering and morbid condition that occurs primarily in female patients and can be variable in presentation. […]

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Microglial adenosine A receptor in the paraventricular thalamic nucleus regulates pain sensation and analgesic effects independent of opioid and cannabinoid receptors.

The paraventricular thalamic nucleus (PVT) is recognized for its critical role in pain regulation, yet the precise molecular mechanisms involved remain poorly understood. Here, we demonstrated an essential role of […]

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Difficult Chronic Pain Clinical Encounters Are Common and Not Easy for the Clinician.

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Neuromodulation in chronic pain management: addressing persistent doubts in spinal cord stimulation.

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Emerging Therapeutic Modalities and Pharmacotherapies in Neuropathic Pain Management: A Systematic Review and Meta-Analysis of Parallel Randomized Controlled Trials.

Neuropathic pain (NP) is a chronic condition caused by abnormal neuronal excitability in the nervous system. Current treatments for NP are often ineffective or poorly tolerated. Hence, we reviewed the […]

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Influence of next-generation artificial intelligence on headache research, diagnosis and treatment: the junior editorial board members’ vision – part 2.

Part 2 explores the transformative potential of artificial intelligence (AI) in addressing the complexities of headache disorders through innovative approaches, including digital twin models, wearable healthcare technologies and biosensors, and […]

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Intervening CCL8-CCR8 Signaling Reduces Cutaneous Inflammation and Itch in Mice.

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Sexual Dimorphism in Migraine. Focus on Mitochondria.

Migraine prevalence in females is up to 3 times higher than in males and females show higher frequency, longer duration, and increased severity of headache attacks, but the reason for […]

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Capsaicin-induced secondary hyperalgesia differences between the trigeminal and spinal innervation.

This study compared the degree of secondary hyperalgesia and somatosensory threshold changes induced by topical capsaicin between spinal and trigeminal innervation. This crossover clinical trial included 40 healthy individuals in […]

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Subcutaneous Administration of Therapeutic Monoclonal Antibody Drug Products Using a Syringe in Blinded Clinical Trials: Advances and Key Aspects Related to Blinding/Matching/Masking Strategies for Placebo Formulation.

Therapeutic monoclonal antibody (mAb) drug products are increasingly used to treat both chronic and acute diseases. These mAb drug products are often developed for subcutaneous (SC) injection to simplify dosing […]

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Nociplastic pain: controversy of the concept.

Classically, pain can be of a nociceptive or neuropathic nature, which refers to non-neural or neural tissue lesions, respectively. Chronic pain in conditions such as migraine, fibromyalgia, and complex regional […]

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Therapeutic barriers for headache management: issues facing the global north and global south in 2024.

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Chronic Migraine in Adults.

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Intrathecal Drug Delivery for Intractable Pain: Identified Patient Satisfaction Survey Study Comparing Intrathecal Dose With Satisfaction, Pain Relief, and Side Effects.

Past studies have shown the efficacy of spinal targeted drug delivery (TDD) in pain relief, reduction in opioid use, and cost-effectiveness in long-term management of complex chronic pain. We conducted […]

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Exploring Chronic Pain in Hemodialysis Patients: An Observational Study Based on the New IASP Classification for ICD-11.

Pain is one of the most frequently reported symptoms in hemodialyzed (HD) patients, with prevalence rates between 33% and 82%. Risk factors for chronic pain in HD patients are older […]

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Efficacy and Safety of SHR8554 on Postoperative Pain in Subjects with Moderate to Severe Acute Pain Following Orthopedic Surgery: A Multicenter, Randomized, Double-blind, Dose-explored, Active-controlled, Phase II/III Clinical Trial.

Biased µ-opioid receptor (MOR) agonists enhance pain relief by selectively activating G protein-coupled receptor signaling and minimizing β-arrestin-2 activation, resulting in fewer side effects. This multicenter Phase II/III trial evaluated […]

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Peripheral inflammation enhances opioid-induced gastrointestinal motility inhibition via up-regulating spinal mu opioid receptor.

Opioids are potent analgesics in clinical pain management but exert variable analgesia in different pain types. Opioid-induced constipation is a common side effect of opioid therapy, and whether opioids induce […]

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Pain in rheumatoid arthritis: Emerging role of high mobility group box 1 protein-HMGB1.

Rheumatoid arthritis (RA) is a chronic inflammatory disease where pain, driven by both inflammatory and non-inflammatory processes, is a major concern for patients. This pain can persist even after joint […]

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Pain Catastrophizing and Substance Misuse: A Scoping Review of the Literature.

Pain catastrophizing, or the interpretation of pain as unbearable or intolerable, can increase pain-related anxiety and severity. High levels of pain catastrophizing have also been linked to substance use, particularly […]

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As different as fear and anxiety: Introducing the fear and anxiety model of placebo hypoalgesia and nocebo hyperalgesia.

Research suggests that negative affective states, such as fear and anxiety that accompany placebo treatment may be considered predictors of placebo hypoalgesia and nocebo hyperalgesia. There is also data showing […]

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Klotho mutation does not accelerate intervertebral disc aging in mice.

Aging is a risk factor for several chronic conditions, including intervertebral disc degeneration and associated back pain. Disc pathologies include loss of reticular-shaped nucleus pulposus cells, disorganization of annulus fibrosus […]

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Polysaccharide-based biomaterials for regenerative therapy in intervertebral disc degeneration.

Intervertebral disc (IVD) degeneration represents a significant cause of chronic back pain and disability, with a substantial impact on the quality of life. Conventional therapeutic modalities frequently address the symptoms […]

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A digital tool for multidimensional assessment and prediction of treatment effectiveness in chronic pain management.

Given the multidimensional aspect of pain, the assessment of treatment efficacy is challenging. The prospective observational multicenter PREDIBACK study aimed to assess, compare, and predict the effectiveness of different treatments […]

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Evidence for glial reactivity using positron-emission tomography imaging of translocator Protein-18 kD [TSPO] in both sham and nerve-injured rats in a preclinical model of orofacial neuropathic pain.

Chronic neuropathic pain is a debilitating condition that results from damage to the nervous system. Current treatments are largely ineffective, with limited understanding of the underlying mechanisms hindering development of […]

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Significantly improving the solubility and anti-inflammatory activity of fenofibric acid with native and methyl-substituted beta-cyclodextrins via complexation.

The solubility of commonly used anti-inflammatory drugs has become a significant concern in contemporary medicine. Furthermore, inflammatory arthritis stands out as the most prevalent chronic inflammatory disease globally. The disease’s […]

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Consumer perspectives of the group itself in group-delivered programs for people with chronic pain: a systematic review and meta-synthesis.

Group-delivered programs for chronic pain are evidence-based and frequently used. The contribution of group factors to outcomes is unclear and there are no integrated findings on consumer perceptions of the […]

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Ivabradine reduces neuropathic pain after spinal cord injury by inhibiting excitatory synaptic transmission in the spinal dorsal horn.

Spinal cord injuries (SCIs) can lead to severe neuropathic pain and increased risk of myocardial infarction and heart failure; therefore, the use of analgesics against SCI-induced pain should be minimized […]

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Ecological momentary assessment of cigarette smoking behavior and pain intensity among individuals with chronic back pain who smoke.

Chronic pain affects ~20% of the adult population and is associated with smoking. Smoking and pain worsen each other in the long term, but short-term temporal associations between smoking and […]

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The multi-dimensional stigma of chronic pain: A narrative review.

Accumulating evidence suggests that stigma is a pervasive and pernicious psychosocial phenomenon that affects people living with chronic pain. In this narrative review, we describe the nature of stigma experienced […]

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The self in pain.

Chronic pain can be highly distressing, disabling and complex. The experience of living with chronic pain often leads to a fundamental struggle with one’s sense of self and identity. In […]

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Feasibility of attention-based virtual reality interventions in fibromyalgia syndrome: comparing systems, virtual environments and activities.

Fibromyalgia Syndrome (FMS) is highly prevalent with a significant associated morbidity and socioeconomic burden. Effective treatments for FMS remain elusive with pharmacological management (including use of opioids) often proving ineffective. […]

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Comprehensive and Efficient Assessment of Psychological Flexibility in the Context of Chronic Pain.

The Multidimensional Psychological Flexibility Inventory (MPFI) is a measure of all facets of psychological flexibility and inflexibility, potentially important processes of change in psychological treatment for chronic pain. In some […]

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Optimizing transcutaneous spinal stimulation: excitability of evoked spinal reflexes is dependent on electrode montage.

There is growing interest in use of transcutaneous spinal stimulation (TSS) for people with neurologic conditions both to augment volitional control (by facilitating motoneuron excitability), and to decrease spasticity (by […]

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Exploring Natural Analgesics for Chronic Pain Management: Cannabinoids and Other Phytoconstituents.

Chronic pain lasting more than three months or persisting after normal healing is a significant global health issue. In a healthcare system, it is crucial to ensure proper chronic pain […]

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A novel SIRT1 activator attenuates neuropathic pain by inhibiting spinal neuronal activation via the SIRT1-mGluR1/5 pathway.

Neuropathic pain is a type of pain caused by an injury or disease of the somatosensory nervous system. Currently, there is still absence of effective therapeutic drugs for neuropathic pain, […]

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Progesterone receptors regulate susceptibility to spreading depression.

Migraine patients often experience sensory symptoms called auras accompanying the headaches. Cortical spreading depression (CSD), a slow-propagating wave of neuroglial depolarization followed by hyperpolarization is proposed to be the neurological […]

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An intra-brainstem circuitry for pain-induced inhibition of itch.

Pain and itch are unpleasant and distinct sensations that give rise to behaviors such as reflexive withdrawal and scratching in humans and mice. Interestingly, it has been observed that pain […]

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COVID-19 and chronic pain: Implications and lessons learned.

The COVID-19 pandemic has profoundly impacted people with chronic pain, affecting their access to pain management services and the social fabric of society. Here we review evidence indicating that during […]

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Application of cell therapy in rheumatoid Arthritis: Focusing on the immunomodulatory strategies of Mesenchymal stem cells.

Rheumatoid arthritis (RA) is a common chronic autoimmune disease that primarily affects the joints, leading to synovial inflammation and hyperplasia, which subsequently causes joint pain, swelling, and damage. The microenvironment […]

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Molecular Ferroelectrics for Highly Sensitive Detection Toward Low-Frequency Sound Recognition.

Human hearing cannot sensitively detect sounds below 100 Hz, which can affect the physical well-being and lead to dizziness, headaches, and nausea. Piezoelectric acoustic sensors still lack sensitivity to low-frequency sounds […]

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Brainstem serotonin amplifies nociceptive transmission in a mouse model of Parkinson’s disease.

Parkinson’s disease arises from the degeneration of dopaminergic neurons in the substantia nigra pars compacta, leading to motor symptoms such as akinesia, rigidity, and tremor at rest. The non-motor component […]

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Evaluating factors impacting National Institutes of Health funding in pain medicine.

While many medical specialties have established links between bibliometric indices, academic rank, leadership roles, and National Institutes of Health (NIH) funding, there exists a gap within the field of pain […]

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Sex Differences in Rates of Spinal Cord Stimulation Therapy and Spinal Cord Stimulator Explants: A Propensity-Score Matched Analysis.

Spinal cord stimulation (SCS) is a therapeutic option for those with chronic pain due to persistent spinal pain syndrome (PSPS). Current literature suggests a higher rate of SCS explant in […]

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The Melatonin Type 2 Receptor Agonist IIK7 Attenuates and Reverses Morphine Tolerance in Neuropathic Pain Rats Through the Suppression of Neuroinflammation in the Spinal Cord.

Morphine analgesic tolerance (MAT) limits the clinical application of morphine in the management of chronic pain. IIK7 is a melatonin type 2 (MT2) receptor agonist known to have antioxidant properties. […]

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Innovative Biotherapies and Nanotechnology in Osteoarthritis: Advancements in Inflammation Control and Cartilage Regeneration.

Osteoarthritis (OA) is among the most prevalent degenerative joint disorders worldwide, particularly affecting the aging population and imposing significant disability and economic burdens. The disease is characterized by progressive degradation […]

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Nuclear Factor-κB Signaling Regulates the Nociceptin Receptor but Not Nociceptin Itself.

The nociceptin receptor (NOP) and nociceptin are involved in the pathways of pain and inflammation. The potent role of nuclear factor-κB (NFκB) in the modulation of tumor necrosis factor-α (TNF-α) […]

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Maladaptive changes in the homeostasis of AEA-TRPV1/CB1R induces pain-related hyperactivity of nociceptors after spinal cord injury.

Neuropathic pain resulting from spinal cord injury (SCI) is associated with persistent hyperactivity of primary nociceptors. Anandamide (AEA) has been reported to modulate neuronal excitability and synaptic transmission through activation […]

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Consistency between headache diagnoses and ICHD-3 criteria across different levels of care.

Diagnosing headache disorders poses significant challenges, particularly in primary and secondary levels of care (PSLC), potentially leading to misdiagnosis and underdiagnosis. This study evaluates diagnostic agreement for migraine, tension-type headache […]

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A robust multimodal brain MRI-based diagnostic model for migraine: validation across different migraine phases and longitudinal follow-up data.

Inter-individual variability in symptoms and the dynamic nature of brain pathophysiology present significant challenges in constructing a robust diagnostic model for migraine. In this study, we aimed to integrate different […]

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ASPIRIN-TRIGGERED LIPOXIN A4 REDUCES NEUROPATHIC PAIN AND ANXIETY-LIKE BEHAVIOURS IN MALE DIABETIC RATS: ANTINOCICEPTIVE ENHANCEMENT BY CANNABINOID RECEPTOR AGONISTS.

Neuropathy is the most common complication of diabetes, leading to painful symptoms like hyperalgesia. Current treatments for diabetic painful neuropathy often prove inadequate, necessitating the exploration of new pharmacological approaches. […]

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Mitochondria and astrocyte reactivity: Key mechanism behind neuronal injury.

In this special issue to celebrate the 30th anniversary of the Uruguayan Society for Neuroscience (SNU), we find it pertinent to highlight that research on glial cells in Uruguay began […]

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Sex differences in photophobic behaviors following cortical spreading depression in rats.

Photophobia is a common and debilitating symptom associated with migraine. Women are disproportionately affected by migraines, with a higher prevalence and more severe symptoms compared to men. This study investigated […]

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Exploring the association between familial hemiplegic migraine genes (CACNA1A, ATP1A2 and SCN1A) with migraine and epilepsy: A UK Biobank exome-wide association study.

Familial hemiplegic migraine (FHM) types 1-3 are associated with protein-altering genetic variants in , and , respectively. These genes have also been linked to epilepsy. Previous studies primarily focused on […]

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Defining the typical characteristics of orthostatic headache in patients with spontaneous intracranial hypotension.

Orthostatic headache (OH) is a common feature of various conditions, including spontaneous intracranial hypotension (SIH), but no precise definition currently exists outlining the typical OH characteristics. This ambiguity risks misdiagnosis […]

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Biomechanical coordination and variability alters following repetitive movement fatigue in overhead athletes with painful shoulder.

Most sports and leisure activities involve repetitive movements in the upper limb, which are typically linked to pain and discomfort in the neck and shoulder area. Movement variability is generally […]

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Effects of Dietary Interventions in Patients With Migraine: A Systematic Review.

Migraine is a disabling neurological disorder. Diet may be a factor to consider because measures of diet quality have been linked to both frequency and severity of attacks.

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The diverse effects of ketamine, a jack-of-all-trades: a narrative review.

Ketamine, an N-methyl-D-aspartic acid receptor antagonist that was first discovered in 1962, has become established in anaesthesia providing dose-dependent anaesthetic, sedative, and analgesic effects. Ketamine, however, also acts on a […]

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Toll-like receptor 4 plays a vital role in irritable bowel syndrome: a scoping review.

Irritable bowel syndrome (IBS) is a common gastrointestinal disease. Recently, an increasing number of studies have shown that Toll-like receptor 4 (TLR4), widely distributed on the surface of a variety […]

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Effectiveness of non-invasive vagus nerve stimulation vs heart rate variability biofeedback interventions for chronic pain conditions: A systematic review.

Autonomic regulation has been identified as a potential regulator of pain via vagal nerve mediation, assessed through heart rate variability (HRV). Non-invasive vagal nerve stimulation (nVNS) and heart rate variability […]

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Spinal Cord Stimulation for Low Back Pain: A Systematic Review.

Chronic low back pain (LBP) is a prevalent and debilitating condition affecting millions worldwide. Among emerging interventions, spinal cord stimulation (SCS) has gained attention as a potential alternative for managing […]

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Association between serum vitamin D and severe headache or migraine: A population-based analysis.

Vitamin D is thought to play a role in the development of migraine, but the nature of the relationship is still not fully understood. Although some studies have shown an […]

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The Complex Interplay of Prescription Drug Monitoring Programs, Regulated Medical Cannabis, and Chronic Pain Healthcare Visits.

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The Dual Burden of Post-Traumatic Headache: Health Consequences and Economic Impact.

To review the history and impact and burden of post-traumatic headache (PTH).

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Goal-direct analgesia: can analgesia nociception index effectively reduce intra-operative opioids?

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Circulating biomarkers associated with pediatric sickle cell disease.

Sickle cell disease (SCD) is a genetic blood disorder caused by a mutation in the HBB gene, which encodes the beta-globin subunit of hemoglobin. This mutation leads to the production […]

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Pathogenesis and management of TRPV3-related Olmsted syndrome.

Olmsted syndrome is characterized by symmetrically distributed, destructive, inflammatory palmoplantar keratoderma with periorificial keratotic plaques, most commonly due to gain-of-function mutations in the transient receptor potential vanilloid 3 (TRPV3) gene, […]

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Iron in the migraine brain.

Iron, a vital element for numerous peripheral and central nervous system functions, is a key player in DNA synthesis, gene expression, myelination, neurotransmission, and mitochondrial electron transport. Iron has utmost […]

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A safety and feasibility randomized placebo controlled trial exploring electroencephalographic effective connectivity neurofeedback treatment for fibromyalgia.

Fibromyalgia is a chronic pain condition contributing to significant disability worldwide. Neuroimaging studies identify abnormal effective connectivity between cortical areas responsible for descending pain modulation (pregenual anterior cingulate cortex, pgACC) […]

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Real-world healthcare utilization and costs of peripheral nerve stimulation with a micro-IPG system.

To characterize real-world healthcare resource utilization (HCRU) and costs in adults with chronic pain of peripheral nerve origin treated with peripheral nerve stimulation (PNS) using the micro-implantable pulse generator (IPG).

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Development and Feasibility Study of a Triage Tool for Early Referral to Spinal Cord Stimulation for Patients With Chronic Low Back and Leg Pain.

In recent years, delayed elective care and growing waiting lists increasingly resulted in postponed surgeries for patients with chronic back and leg pain.

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Stem Cells Therapy as a Treatment for Discogenic Low Back Pain: A Systematic Review.

Low back pain (LBP) is 1 of the most common problems that present in 80% of people. LBP can be caused by some pathologies, with discogenic pain being 1 source. […]

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Arctiin alleviates the progression of osteoarthritis by regulating the cholesterol metabolic pathway.

Osteoarthritis (OA) is a multi-factorial degenerative joint disease with unclear pathogenesis. Conservative treatments, primarily aimed at pain relief, fail to halt disease progression. Metabolic syndrome has recently been implicated in […]

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Lactate improves postoperative cognitive function through attenuating oxidative stress and neuroinflammation in aged mice via activating the SIRT1 pathway.

Postoperative cognitive dysfunction (POCD) is a recognized clinical phenomenon characterized by cognitive impairment in patients following anesthesia and surgery, especially in the elderly. However, the pathogenesis of POCD remains unclear. […]

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Hydrogel Doped with Sinomenine-CeO Nanoparticles for Sustained Intra-articular Therapy in Knee Osteoarthritis.

Intra-articular injection has emerged as a promising approach for treating knee osteoarthritis (OA), showing notable efficacy and potential. However, the risk of side effects remains a concern with the commonly […]

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Neuromodulation for Headache Management in Pregnancy.

Management of primary headache disorders during pregnancy is limited due to known teratogenicity or unknown safety of many currently available pharmaceutical therapies. Here, we explore the safety and efficacy of […]

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Hypoxic conditions affect transcriptome of endometrial stromal cells in endometriosis and promote TGFBI axis.

Endometriosis is characterized by the ectopic growth of endometrial-like cells, causing chronic pelvic pain, adhesions and impaired fertility in women of reproductive age. Usually, these lesions grow in the peritoneal […]

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Mapping the research landscape of microRNAs in pain: a comprehensive bibliometric analysis.

MicroRNAs (miRNAs) have demonstrated significant potential in pain medicine research, including mechanisms, diagnosis, and therapy. However, no relative bibliometric analysis has been performed to summarize the progress in this area […]

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Efficacy of Transcutaneous Electrical Nerve Stimulation in Management of Cancer Pain: a Meta Analysis.

The present investigation assesses efficacy of transcutaneous electrical nerve stimulation (TENS) on relief of cancer or chemotherapy-related pain. Patients with cancer experience a relatively high prevalence of pain that is […]

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Efficacy of Immunotherapy for Complex Regional Pain Syndrome: A Narrative Review.

Complex regional pain syndrome (CRPS) is a chronic condition characterized by disproportional pain typically affecting an extremity. Management of CRPS is centered around specific symptomatology, which tends to be a […]

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Cognitive Behavioral Therapy and Biofeedback.

This review aims to understand the foundations of cognitive behavioral therapy (CBT) and biofeedback, their indications for therapy, and evidence-based support.

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Prevalence of anhedonia in women with deep endometriosis.

Anhedonia, characterized by diminished motivation and pleasure sensitivity, is increasingly recognized as prevalent among patients with chronic pain. Deep Endometriosis (DE), the most severe endophenotype of the disease, is commonly […]

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Surgical frequency analysis of patients clustered according to postoperative pain trajectory: a retrospective study.

Oropharyngeal and orthognathic surgeries cause more postoperative pain than simple dental procedures. The lack of detailed pain pattern analysis after dental surgeries makes pain management challenging. We assessed postoperative pain […]

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Ethical Considerations in the Use of Artificial Intelligence in Pain Medicine.

Although the integration of artificial intelligence (AI) into medicine and healthcare holds transformative potential, significant challenges must be necessarily addressed. This technological innovation requires a commitment to ethical principles. Key […]

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Anti-allodynic effect of intrathecal antibodies against macrophage-inducible C-type lectin in spinal nerve ligation model in rat.

Macrophage-inducible C-type lectin (Mincle) has emerged as a potential contributor to neuropathic pain induction and neuroinflammatory responses within the spinal cord. Moreover, evidence suggests a close association between toll-like receptor […]

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Employer Perspective on Pain Fellowship Education: A Survey to Understand the Current State of Pain Medicine Training.

Pain medicine care has expanded to encompass a wider range of conditions, necessitating updated education and training for pain specialists to utilize emerging technologies effectively. A national survey was conducted […]

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Dynamic fluctuations in brain iron content during migraine attacks: insights from relaxometry and diffusion tensor imaging.

There is evidence that iron metabolism may play a role in the underlying pathophysiological mechanism of migraine. Studies using (=1/ ) relaxometry, a common MRI-based iron mapping technique, have reported […]

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Sex and genetic background influence intravenous oxycodone self-administration in the hybrid rat diversity panel.

Opioid Use Disorder (OUD) is an ongoing worldwide public health concern. Genetic factors contribute to multiple OUD-related phenotypes, such as opioid-induced analgesia, initiation of opioid use, and opioid dependence. Here, […]

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Extended Reality Analgesia Evidence Reviews Often Lack Sufficient Intervention Detail.

Evidence synthesis projects such as systematic reviews and meta-analyses are defined by the focal research question addressed through assemblage and analysis of all relevant literature. In complex intervention domains such […]

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Advances in electrochemical sensors for naproxen detection: Mechanisms, performance factors, and emerging challenges.

Naproxen (NAP), a nonsteroidal anti-inflammatory, analgesic, and antipyretic drug, has fewer side effects than similar drugs due to its aryl acetic acid structure. For this reason, it is widely prescribed […]

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Sirt1 blocks nucleus pulposus and macrophages crosstalk by inhibiting RelA/Lipocalin 2 axis.

Intervertebral disc degeneration (IVDD) stands as a primary pathophysiological driver of low back pain, yet no therapeutic intervention effectively arrests its progression. Evidence shows that certain Sirt1 agonists may confer […]

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A Longitudinal Exploration of -Related Hemiplegic Migraine in Children Using Electronic Medical Records.

Since the initial description of related hemiplegic migraine (HM), the phenotypic spectrum has expanded from mild episodes in neurotypical individuals to potentially life-threatening events frequently seen in individuals with developmental […]

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Transforming grayscale MRI images to color utilizing generative artificial intelligence to better understand multiple sclerosis.

Multiple sclerosis (MS) falls within the spectrum of central nervous system (CNS) demyelinating diseases that may lead to permanent neurological disability. Fundamental to the diagnosis and clinical surveillance is magnetic […]

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Is middle East pain syndrome (MEPS) a variant of fibromyalgia syndrome or a distinct disease?

Fibromyalgia Syndrome (FMS) is a chronic disabling musculoskeletal condition of unknown aetiology characterized by generalized musculoskeletal pain, extreme fatigue, mood disturbance, impaired cognition, and lack of refreshing sleep. Middle East […]

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Trigeminal neuralgia improvement following Transcutaneous Electrical Nerve Stimulation (TENS): a systematic review and meta-analysis.

Trigeminal neuralgia (TN) is a prevalent and debilitating craniofacial pain disorder characterized by severe, unilateral, shock-like pain. Standard treatments include anti-epileptic drugs and surgical interventions, but many patients experience limited […]

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Examining the effects of race/ethnicity and other factors on outcomes of care for complex regional pain syndrome type 1 in the United States.

Complex regional pain syndrome is a chronic pain disorder marked by symptoms such as swelling, impaired motor function, and sympathetic dysfunction. Our primary objective was to determine the total number […]

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Causes and management of acute oncological pain: a narrative review.

Acute pain in cancer is an important but often overlooked feature of many patients’ oncological journey. Cancer-related pain is associated commonly with more persistent pain states caused by both the […]

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Inactivation of ATG13 stimulates chronic demyelinating pathologies in muscle-serving nerves and spinal cord.

Chronic muscle fatigue is a condition characterized by debilitating muscle weakness and pain. Based on our recent finding to study the potential effect of mTOR on ATG13 inactivation in chronic […]

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Research progress in neuropathic pain after spinal cord injury: a bibliometric study from 2013 to 2024.

The incidence of neuropathic pain (NP) after spinal cord injury (SCI) is quite high. This pain is clinically challenging to treat and has an debilitating effect on patients. In recent […]

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Novel sigma 1-antagonists with -(+)-normetazocine scaffold: synthesis, molecular modeling, and antinociceptive effect.

Inflammatory pain represents one of the unmet clinical needs for patients, as conventional therapies cause several side effects. Recently, new targets involved in inflammatory pain modulation have been identified, including […]

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Impact of different treatments for chronic pain on cognitive function: A systematic review.

Experimental evidence supports the hypothesis of reciprocal influence between neural systems involved in cognition and central pain processing circuits. Furthermore, studies have demonstrated bidirectional communication between central pain processing areas […]

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Activating waitlists: Identifying barriers and facilitators to pain self-management while waiting.

Waitlists for pain management services are often extensive, risking psychological and physical decline and patient non-engagement in treatment once accessed. Currently, for outpatient pain management, no standardised waiting list interventions […]

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The benefits and safety of a virtual reality intervention in patients suffering from acute and chronic pain: A pilot study.

To overcome the challenge of psychotherapist scarcity in applying pain psychotherapy in clinical practice, we developed a virtual reality (VR) program delivering weeks of pain psychotherapy without psychotherapists, with a […]

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Missing the mark(ers): circulating endothelial cells and endothelial-derived extracellular vesicles are elevated in sickle cell disease plasma.

Sickle cell disease (SCD) is a devastating hemolytic disease, marked by recurring bouts of painful vaso-occlusion, leading to tissue damage from ischemia/reperfusion pathophysiology. Central to this process are oxidative stress, […]

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Icariside II Alleviates Chondrocyte Inflammatory Injury by Inhibiting the TNIP2/NF-κB Pathway.

Icariside II exerts protective effects against various diseases; however, its specific effects on osteoarthritis (OA) remain unclear. Therefore, in this study, we aimed to investigate the effects of icariside II […]

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Pain and Perception: Exploring Psychedelics as Novel Therapeutic Agents in Chronic Pain Management.

Chronic pain affects approximately 1.5 billion people worldwide, representing the leading cause of disability and a significant financial burden on healthcare systems. Conventional treatments, such as opioids and non-steroidal anti-inflammatory drugs, […]

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Analysis of the relationships between the degree of migraine with right-to-left shunts and changes in white matter lesions and brain structural volume.

To investigate the location of white matter lesions (WMLs) in migraineurs with right‒to‒left shunts (RLS); the relationships among the severity of WMLs, changes in brain structural volume and RLS shunts; […]

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Clodronate: The Influence on ATP Purinergic Signaling.

ATP is involved in numerous physiological functions, such as neurotransmission, modulation, and secretion, as well as in cell proliferation, differentiation, and death. While ATP serves an essential intracellular role as […]

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Discovery of Glucose Metabolism-Associated Genes in Neuropathic Pain: Insights from Bioinformatics.

Metabolic dysfunction has been demonstrated to contribute to diabetic pain, pointing towards a potential correlation between glucose metabolism and pain. To investigate the relationship between altered glucose metabolism and neuropathic […]

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The Impact of Ketamine on Outcomes in Acute Pain Management: An Umbrella Review.

: Ketamine offers effective pain relief with fewer side effects than traditional analgesics, making it a promising alternative for acute pain treatment. However, further research is needed to fully assess […]

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Nociplastic Pain in Endometriosis: A Scoping Review.

Endometriosis is an inflammatory chronic condition associated with nociceptive, neuropathic, and nociplastic pain. Central sensitization (CS) is the primary nociplastic pain mechanism. However, there are currently no standardized methods for […]

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Electroacupuncture Mitigates TRPV1 Overexpression in the Central Nervous System Associated with Fibromyalgia in Mice.

Fibromyalgia (FM) is characterized by chronic pain, significantly affecting the quality of life and functional capabilities of patients. In addition to pain, patients may experience insomnia, chronic fatigue, depression, anxiety, […]

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Mechanistic Insights into the Adenosine A1 Receptor’s Positive Allosteric Modulation for Non-Opioid Analgesics.

The adenosine A1 receptor (AR) is a promising target for pain treatment. However, the development of therapeutic agonists is hampered by adverse effects, mainly including sedation, bradycardia, hypotension, or respiratory […]

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A Comparison of Contractile Properties and Acute Muscle Fatigue Response in Adult Females with Non-Specific Chronic Low Back Pain.

This study examined the erector spinae contractile properties, trunk isokinetic strength, and differences in acute muscle fatigue response after exercise in young females with and without non-specific chronic low back […]

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Spinal Cord Stimulation for Spinal Cord Injury-Related Pain: A Pilot Study.

Spinal cord stimulation (SCS) has emerged as an effective treatment for managing chronic pain that is unresponsive to traditional therapies. While SCS is well documented for conditions like failed back […]

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Reliability and Validity of the KFORCE Sens Inertial Sensor for Measuring Cervical Spine Proprioception in Patients with Non-Specific Chronic Neck Pain.

Patients with non-specific chronic neck pain (NSCNP) exhibit sensorimotor disturbances, with proprioception impairment considered an important aspect. The aim of this study was to assess the reliability and validity of […]

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Anesthetic- and Analgesic-Related Drugs Modulating Both Voltage-Gated Na and TRP Channels.

Nociceptive information is transmitted by action potentials (APs) through primary afferent neurons from the periphery to the central nervous system. Voltage-gated Na channels are involved in this AP production, while […]

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Examining the use of interoceptive exposure exercises in people with and without a history of chronic physical health problems.

Interoceptive exposure (IE) exercises are underused, especially in people with chronic physical health problems. Secondary data analyses were conducted to examine the use of and acute responses to IE exercises […]

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A Double-Blind Comparative Study of burstDR Versus Tonic Epidural Motor Cortex Stimulation for the Treatment of Intractable Neuropathic Pain.

Preliminary studies on epidural motor cortex stimulation (eMCS) for the treatment of drug-resistant neuropathic pain have supported the extension to novel stimulation waveforms, in particular burstDR. However, only a low […]

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Influence of bee venom on antinociceptive activity of selected analgesic drugs in hot plate test in mice.

The aim of the study was to investigate the effect of bee venom on the activity of two analgesics: ketoprofen (a non-steroidal anti-inflammatory drug) and tramadol (an opioid drug) in […]

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A Qualitative Inquiry of Patients Using Virtual Reality to Mitigate Cancer Pain.

Virtual reality (VR) is a rapidly evolving technology that has been shown to improve pain severity in different disease states, including cancer. To date, VR pain studies have used off-the-shelf […]

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Trends in Pain Care for Patients with Chronic Low Back Pain Between 2012 and 2021.

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CKD-Associated Pruritus is Associated with Greater Use of Antidepressants and Anti-pruritus Medications.

Chronic kidney disease-associated pruritus (CKD-aP) is a common, yet underdiagnosed condition among patients on hemodialysis. Considering the lack of established treatment pathways, we sought to evaluate the use of antidepressant, […]

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PCAT19: the role in cancer pathogenesis and beyond.

PCAT19, a long non-coding RNA, has attracted considerable attention due to its diverse roles in various malignancies. This work compiles current research on PCAT19’s involvement in cancer pathogenesis and progression. […]

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Dialysis Headache: An Updated Literature Review.

The objective of this review is to describe recent updates in the understanding of dialysis headache. These recent findings will be placed in a historical context that reviews the clinical […]

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The Bioefficacy Protocol: Biomarkers identification of TNF inhibitors efficacy in Axial Spondyloarthritis patients using transcriptome and proteome analysis.

Axial Spondyloarthritis (axSpA) is a chronic inflammatory rheumatic condition affecting the axial skeleton, leading to pain, stiffness, and fatigue. While biologic therapies have improved clinical management, many patients experience partial […]

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The effects of physician stigma and hesitancy with opioids on patient pain care in the United States: A survey study.

Determine if physician stigma toward patients with chronic pain or opioid use disorder or physician hesitancy prescribing opioids adversely affects patient pain care. Explore the demographics associated with stigma and […]

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Predicting pain and its association with mortality in patients with stroke.

Poststroke pain (PSP) is a prevalent and severe consequence of stroke, encompassing central, neuropathic, and nonneuropathic pain. In this study, we aimed to investigate clinical factors associated with PSP three […]

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Melittin as a therapeutic agent for rheumatoid arthritis: mechanistic insights, advanced delivery systems, and future perspectives.

Rheumatoid arthritis (RA), a condition characterized by joint deterioration through the action of matrix metalloproteinases (MMPs), is prevalent worldwide. Bee venom (BV) has traditionally been used in Chinese medicine for […]

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An opioid efficacy switch for reversible optical control of peripheral analgesia.

The mu-opioid receptor (MOR) is a major target for the treatment of pain. However, opioids are prone to side effects which limit their effectiveness as analgesics and can lead to […]

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Neuroimmune mechanisms of a mouse model of chronic back pain.

Chronic back pain (CBP) is the leading cause of disability affecting 1 in 10 people worldwide. Symptoms are marked by persistent lower back pain, reduced mobility, and heightened cold sensitivity. […]

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Truncated TrkB: The predominant TrkB Isoform in Nociceptors.

Truncated TrkB (TrkBT1), traditionally considered a dominant-negative regulator of full-length TrkB (TrkBTK+), remains poorly understood in peripheral sensory neurons, particularly nociceptors. Furthermore, sensory neuronal TrkB expression and function has been […]

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Metabolic tuning facilitates nociceptor resilience to excitotoxicity.

The capsaicin receptor, TRPV1, mediates the detection of harmful chemical and thermal stimuli. Overactivation of TRPV1 can lead to cellular damage or death through excitotoxicity, a phenomenon associated with painful […]

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Identifying the Brain Circuits that Regulate Pain-Induced Sleep Disturbances.

Pain therapies that alleviate both pain and sleep disturbances may be the most effective for pain relief, as both chronic pain and sleep loss render the opioidergic system, targeted by […]

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