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Papers: 18 Feb 2023 - 24 Feb 2023

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Neuronal NLRP3 inflammasome mediates spreading depolarization-evoked trigeminovascular activation.

Spreading depolarization (SD), the underlying mechanism of migraine aura, may trigger the opening of the Pannexin-1 (Panx1) pore to sustain the cortical neuroinflammatory cascades involved in the genesis of headache. […]

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Safety, tolerability, and efficacy of zavegepant 10 mg nasal spray for the acute treatment of migraine in the USA: a phase 3, double-blind, randomised, placebo-controlled multicentre trial.

Intranasal formulations can provide treatment options for people with migraine in whom oral drugs are ineffective, slow-acting, or intolerable because of nausea and vomiting. Zavegepant, an intranasally administered small molecule […]

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Elevated dementia risk, cognitive decline, and hippocampal atrophy in multisite chronic pain.

Numerous studies have investigated the impacts of common types of chronic pain (CP) on patients’ cognitive function and observed that CP was associated with later dementia. More recently, there is […]

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NIH HEAL Clinical Data Elements (CDE) Implementation: NIH HEAL Initiative IMPOWR Network IDEA-CC.

The NIH HEAL Initiative is making data findable, accessible, interoperable, and reusable (FAIR) to maximize the value of the unprecedented federal investment in pain and opioid-use disorder research. This involves […]

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Piezo2 mediates visceral mechanosensation: A new therapeutic target for gut pain?

Mechanical distension/stretch in the colon provokes visceral hypersensitivity and pain. In this issue of Neuron, Xie et al. report that mechanosensitive Piezo2 channels, expressed by TRPV1-lineage nociceptors, are involved in visceral […]

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Ocular pain after refractive surgery: interim analysis of frequency and risk factors.

To examine the frequency and risk factors for ocular pain after laser assisted in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK).

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Fecal microbiota transplantation revealed a pain-related gut microbiota community in ovariectomized mice.

Higher sensitivity to pain is a common clinical symptom in postmenopausal females. The gut microbiota (GM) has recently been identified as participating in various pathophysiological processes and may change during […]

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The roles of periaqueductal gray and dorsal raphe nucleus dopaminergic systems in the mechanisms of thermal hypersensitivity and depression in mice.

Depression and thermal hypersensitivity share pathogenic features and symptomology, but their pathophysiologic interactions have not been fully eluidated. Dopaminergic systems in the ventrolateral periaqueductal gray and dorsal raphe nucleus have […]

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AAV-glycine receptor α3 alleviates CFA-induced inflammatory pain by downregulating ERK phosphorylation and proinflammatory cytokine expression in SD rats.

Glycine receptors (GlyRs) play key roles in the processing of inflammatory pain. The use of adeno-associated virus (AAV) vectors for gene therapy in human clinical trials has shown promise, as […]

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A nasal CGRP receptor antagonist for acute migraine therapy.

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Sex Hormones and Calcitonin Gene-Related Peptide in Women With Migraine: A Cross-sectional, Matched Cohort Study.

Sex hormones may modulate CGRP release in the trigeminovascular system. We studied CGRP concentrations in plasma and tear fluid in female participants with episodic migraine (EM) and a regular menstrual […]

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Cross-trait analyses identify shared genetics between migraine, headache, and glycemic traits, and a causal relationship with fasting proinsulin.

The co-occurrence of migraine and glycemic traits has long been reported in observational epidemiological studies, but it has remained unknown how they are linked genetically. We used large-scale GWAS summary […]

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Characterization of Fragile X Mental Retardation Protein expression in human nociceptors and their axonal projections to the spinal dorsal horn.

Fragile X Mental Retardation Protein (FMRP) regulates activity-dependent RNA localization and local translation to modulate synaptic plasticity throughout the central nervous system. Mutations in the FMR1 gene that hinder or […]

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Comparative transcriptome of dorsal root ganglia reveals distinct etiologies of paclitaxel- and oxaliplatin-induced peripheral neuropathy in rats.

Chemotherapy-induced peripheral neuropathy is one of the most common side effects of anticancer therapy. It is anticipated that chemotherapies with different mechanisms of action may affect somatosensory neurons differently. This […]

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Nicorandil reduces morphine withdrawal symptoms, potentiates morphine antinociception, and ameliorates liver fibrosis in rats.

Chronic liver disease (CLD) is a serious medical condition affecting patients globally and pain management poses a unique challenge. ATP-sensitive potassium channels (K) are expressed in nociceptive neurons and hepatic […]

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Discovery of 4-(1,2,4-Oxadiazol-5-yl)azepan-2-one Derivatives as a New Class of Cannabinoid Type 2 Receptor Agonists for the Treatment of Inflammatory Pain.

Selectively targeting the cannabinoid receptor CB2 is an attractive therapeutic strategy for the treatment of inflammatory pain without psychiatric side effects mediated by the cannabinoid receptor CB1. Herein, we report […]

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Modulating the activity of human nociceptors with a SCN10A promoter-specific viral vector tool.

Despite the high prevalence of chronic pain as a disease in our society, there is a lack of effective treatment options for patients living with this condition. Gene therapies using […]

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The effectiveness of botulinum toxin for chronic tension-type headache prophylaxis: A systematic review and meta-analysis.

A systematic and meta-analysis was conducted to examine the evidence of the effects of botulinum toxin A on chronic tension-type headache.

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DNA-methylation and immunological response in medication overuse headache.

To investigate whether medication-overuse headache patients have differential DNA-methylation pattern.

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Insufficient sleep may alter cortical excitability near the migraine attack: A blinded TMS crossover study.

Migraine is a brain disorder with a multifaceted and unexplained association to sleep. Brain excitability likely changes periodically throughout the migraine cycle. In this study we examine the effect of […]

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Approaches to optimising access to NICE-approved biologic anti-TNFs for patients with rheumatoid arthritis with moderately active disease.

Rheumatoid arthritis (RA) is a chronic inflammatory disease that is associated with joint pain and stiffness. Biologics represent some of the most effective treatments for RA, but previous guidance from […]

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Primary headache epidemiology in children and adolescents: a systematic review and meta-analysis.

Headache is the most prevalent neurological manifestation in adults and one of the leading causes of disability worldwide. In children and adolescents, headaches are arguably responsible for a remarkable impact […]

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Vascular endothelial growth factor-A is involved in intramuscular carrageenan-induced cutaneous mechanical hyperalgesia through the vascular endothelial growth factor-A receptor 1 and transient receptor potential vanilloid 1 pathways.

Vascular endothelial growth factor-A (VEGF-A) plays a leading role in angiogenesis and pain hypersensitivity in cancer and chronic pain. It is not only induced by ischemic conditions but is also […]

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Probiotics for management of functional abdominal pain disorders in children.

Functional abdominal pain is pain occurring in the abdomen that cannot be fully explained by another medical condition and is common in children. It has been hypothesised that the use […]

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Longitudinal assessment of comorbidities and co-occurring conditions in adolescents with migraine: A secondary analysis of the National Longitudinal Study of Adolescent to Adult Health (Add Health).

To investigate the links between adolescent migraine and comorbid and co-occurring conditions using a large, nationally representative longitudinal study.

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Alteration of the cortical morphology in classical trigeminal neuralgia: voxel-, deformation-, and surface-based analysis.

This study aimed to combine voxel-based morphometry, deformation-based morphometry, and surface-based morphometry to analyze gray matter volume and cortex shape in classical trigeminal neuralgia patients.

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Regulation by noncoding RNAs of local translation, injury responses, and pain in the peripheral nervous system.

Neuropathic pain is a chronic condition arising from damage to somatosensory pathways that results in pathological hypersensitivity. Persistent pain can be viewed as a consequence of maladaptive plasticity which, like […]

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A study of differential microRNA expression profile in migraine: the microMIG exploratory study.

Several studies have described potential microRNA (miRNA) biomarkers associated with migraine, but studies are scarcely reproducible primarily due to the heterogeneous variability of participants. Increasing evidence shows that disease-related intrinsic […]

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A randomised controlled trial for the effectiveness of an audiovisual device on anxiety and pain perception during a nerve block for chronic pain relief.

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Chemical Neurolysis of the Genicular Nerves for Chronic Refractory Knee Pain: an Observational Cohort Study.

Evaluate outcomes of genicular nerve chemical neurolysis (GChN) in a real-world population with chronic knee pain.

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Drosophila pain sensitization and modulation unveiled by a novel pain model and analgesic drugs.

In mammals, pain is regulated by the combination of an ascending stimulating and descending inhibitory pain pathway. It remains an intriguing question whether such pain pathways are of ancient origin […]

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Fibromyalgia and centralized pain in the rheumatoid arthritis patient.

Individuals with rheumatoid arthritis (RA) have traditionally been characterized as having nociceptive pain, leading to the assumption that effective immunosuppression should be enough to provide effective pain management. However, despite […]

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Understanding Neural Factors in Burn-Related Pruritus and Neuropathic Pain.

Post-burn pruritus and neuropathic pain significantly affect the quality of life of affected individuals in several domains including psychosocial well-being, sleep and general impairment in activities of daily living. Whilst […]

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Biomarkers and Longitudinal Changes in Lumbar Spine Degeneration and Low Back Pain: The Johnston County Osteoarthritis Project.

To determine if baseline biomarkers are associated with longitudinal changes in the worsening of disc space narrowing (DSN), vertebral osteophytes (OST), and low back pain (LBP).

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Structure-Based Design of Glycosylated Oxytocin Analogues with Improved Selectivity and Antinociceptive Activity.

Acute and chronic pain is often treated with opioids despite the negative side effects of constipation, physical dependence, respiratory depression, and overdose. The misuse of opioid analgesics has given rise […]

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Methyl Ferulic Acid Alleviates Neuropathic Pain by Inhibiting Nox4-induced Ferroptosis in Dorsal Root Ganglia Neurons in Rats.

Neuropathic pain is a disease that has become one of the major public health problems and a global burden. Nox4-induced oxidative stress can lead to ferroptosis and neuropathic pain. Methyl […]

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Corticomotor excitability is altered in central neuropathic pain compared with non-neuropathic pain or pain-free patients.

Central neuropathic pain (CNP) is associated with altered corticomotor excitability (CE), which can potentially provide insights into its mechanisms. The objective of this study is to describe the CE changes […]

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Effectiveness of cognitive functional therapy for reducing pain and disability in chronic low back pain: a systematic review and meta-analysis.

To evaluate whether cognitive functional therapy (CFT) is an effective treatment for adults with chronic low back pain (LBP) Intervention systematic review with meta-analysis. CENTRAL, CINAHL, MEDLINE, Embase, clinicaltrials.gov, EU […]

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Implantable Subdural Cortical Stimulation for Chronic Intractable Pain Treatment-The Mayo Experience and Review of Literature.

Motor cortex stimulation (MCS) is an effective technique in treating chronic intractable pain for some patients. However, most studies are small case series (n < 20). Heterogeneity in technique and patient […]

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Migraine and Thyroid Dysfunction: co-occurrence, shared genes, and biological mechanisms.

Migraine and thyroid dysfunction, particularly hypothyroidism, are common medical conditions and are known to have high heritability. Thyroid function measures, thyroid stimulating hormone (TSH) and free thyroxine (fT4), are also […]

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ISSLS Prize in Bioengineering Science 2023: Age- and sex-related differences in lumbar intervertebral disc degeneration between patients with chronic low back pain and asymptomatic controls.

Clinical management of disc degeneration in patients with chronic low back pain (cLBP) is hampered by the challenge of distinguishing pathologic changes relating to pain from physiologic changes related to […]

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MMG22 potently blocks hyperalgesia in cisplatin-treated mice.

MMG22 is a bivalent ligand containing MOR agonist and mGluR5 antagonist pharmacophores connected by a 22-atom linker. Intrathecal (i.t.) administration of MMG22 to inflamed mice has been reported to produce […]

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Chrysin loaded nanovesicles ameliorated diabetic peripheral neuropathy. Role of NGF/AKT/GSK-3β pathway.

Diabetic peripheral neuropathy (DPN) is a common diabetic complication. Chrysin (CHY) has many biological properties but poor oral bioavailability. This study investigates the effect of CHY and CHY-loaded nanovesicles (CHY-NVs) […]

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Comparing the Effects of Medical Cannabis for Chronic Pain Patients With and Without Co-Morbid Anxiety: A Cohort Study.

There is growing evidence on the efficacy of cannabis-based medicinal products (CBMPs) for chronic pain(CP). Due to the complex interaction between chronic pain and anxiety, and the potential impact of […]

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Psychosocial factors associated with pain outcomes in patients with painful temporomandibular disorders and headaches.

The objective of this study was to assess the association between psychosocial factors (in terms of anxiety, somatization, depression, and optimism) and pain (in terms of headache pain intensity and […]

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BRD9 Inhibition Attenuates Matrix Degradation and Pyroptosis in Nucleus Pulposus by Modulating the NOX1/ROS/NF-κB axis.

Intervertebral disc degeneration (IDD) is considered to be the leading cause of low back pain (LBP). The progression of IDD is closely related to the inflammatory microenvironment, which results in […]

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Auricular Vagal Nerve Stimulation Inhibited Central Nerve Growth Factor/Tropomyosin Receptor Kinase A/Phospholipase C-Gamma Signaling Pathway in Functional Dyspepsia Model Rats With Gastric Hypersensitivity.

Functional dyspepsia (FD), which has a complicated pathophysiologic process, is a common functional gastrointestinal disease. Gastric hypersensitivity is the key pathophysiological factor in patients with FD with chronic visceral pain. […]

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Genetics of migraine: where are we now?

Migraine is a complex brain disorder explained by the interaction of genetic and environmental factors. In monogenic migraines, including familial hemiplegic migraine and migraine with aura associated with hereditary small-vessel […]

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Effect of transauricular nerve stimulation on perioperative pain: a single-blind, analyser-masked, randomised controlled trial.

Activation of central autonomic pathways, including those regulating the arterial baroreflex, might reduce acute pain. We tested the hypothesis that transcutaneous auricular nerve stimulation (TAN) reduces pain after orthopaedic trauma […]

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MicroRNA-155-5p inhibition alleviates irritable bowel syndrome by increasing claudin-1 and ZO-1 expression.

Irritable bowel syndrome (IBS) is a common gastrointestinal disease. Emerging studies have demonstrated that microRNAs (miRNAs) are commonly dysregulated in patients with IBS, and aberrant miRNAs are implicated in IBS […]

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Mechanism of Aspirin oxidative stress regulating interleukin-induced apoptosis in nucleus pulposus cells in a rat model of intervertebral disc degeneration.

Intervertebral disc degeneration (IDD) is an important cause of low back pain. Increase of reactive oxygen species (ROS), overexpression of inflammatory factors, and loss of extracellular matrix are important factors […]

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Satellite glial cells drive the transition from acute to chronic pain in a rat model of hyperalgesic priming.

Chronic pain is one of the most common clinical syndromes affecting patients’ quality of life. Regulating the transition from acute to chronic pain is a novel therapeutic strategy for chronic […]

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Efficacy and safety of vixarelimab, a human monoclonal oncostatin M receptor β antibody, in moderate-to-severe prurigo nodularis: a randomised, double-blind, placebo-controlled, phase 2a study.

Prurigo nodularis is a chronic skin disease characterised by intensely pruritic, hyperkeratotic nodules. Vixarelimab, a human monoclonal antibody, binds to the beta subunit of the oncostatin M receptor, inhibiting signalling […]

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Gene expression signature of human neuropathic pain identified through transcriptome analysis.

Neuropathic pain is a type of chronic pain that is characterized by ongoing discomfort and can be challenging to manage effectively. This study aimed to identify genes associated with neuropathic […]

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Network-based modelling of mechano-inflammatory chondrocyte regulation in early osteoarthritis.

Osteoarthritis (OA) is a debilitating joint disease characterized by articular cartilage degradation, inflammation and pain. An extensive range of and studies evidences that mechanical loads induce changes in chondrocyte gene […]

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The Psychosocial Characteristics and Somatosensory Function of Children and Adolescents Who Meet the Criteria for Chronic Nociplastic Pain.

Nociplastic pain distinguishes individuals with pain and hypersensitivity in body regions with apparently normal tissues, without any signs of neuropathy, but with contribution of central and/or peripheral sensitization. There is […]

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Clinical outcome and MRI appearance in a group of chronic low back pain patients more than 10 years after discography evaluation and consideration for surgery.

It is an ongoing debate whether fusion surgery is superior to non-operative treatment for non-specific low back pain (LBP) in terms of patient outcome. Further, the evidence for how signs […]

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The relationship between headache-attributed disability and lost productivity: 3 Attack frequency is the dominating variable.

In an earlier paper, we examined the relationship between headache-attributed disability, measured as proportion of time in ictal state, and lost productivity. In a linear model, we found positive and […]

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Changes in migraine interictal burden following treatment with galcanezumab: Results from a phase III randomized, placebo-controlled study.

To evaluate changes in interictal burden with galcanezumab versus placebo in patients with episodic (EM) or chronic migraine (CM).

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Wearable nanocomposite sensor system for motion phenotyping chronic low back pain: a BACPAC Technology Research Site.

Chronic low back pain (cLBP) is a prevalent and multifactorial ailment. No single treatment has been shown to dramatically improve outcomes for all cLBP patients, and current techniques of linking […]

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Association of endometriosis with cardiovascular disease: Genetic aspects (Review).

Cardiovascular disease (CVD) comprises a broad spectrum of pathological conditions that affect the heart or blood vessels, including sequelae that arise from damaged vasculature in other organs of the body, […]

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The predictive value of cortical activity during motor imagery for subacute spinal cord injury-induced neuropathic pain.

The aim of this study is to explore whether cortical activation and its lateralization during motor imagery (MI) in subacute spinal cord injury (SCI) are indicative of existing or upcoming […]

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The Known Biology of Neuropathic Pain and Its Relevance to Pain Management.

Patients with neuropathic pain are heterogeneous in pathophysiology, etiology, and clinical presentation. Signs and symptoms are determined by the nature of the injury and factors such as genetics, sex, prior […]

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Post-surgical contributors to persistent knee pain following knee replacement: The Multicenter Osteoarthritis Study (MOST).

Pain persistence following knee replacement (KR) occurs in ∼20-30% of patients. Although several studies have identified preoperative risk factors for persistent post-KR pain, few have focused on post-KR contributing factors. […]

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The blood proteomic signature of prurigo nodularis (PN) reveals distinct inflammatory and neuropathic endotypes: a cluster analysis.

Prurigo nodularis (PN) is an extremely pruritic, chronic inflammatory skin disease. Little is known about systemic inflammation in PN.

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Decreased degree centrality values as a potential neuroimaging biomarker for migraine: A resting-state functional magnetic resonance imaging study and support vector machine analysis.

Misdiagnosis and missed diagnosis of migraine are common in clinical practice. Currently, the pathophysiological mechanism of migraine is not completely known, and its imaging pathological mechanism has rarely been reported. […]

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Altered brain activities in mesocorticolimbic pathway in primary dysmenorrhea patients of long-term menstrual pain.

Patients with primary dysmenorrhea (PDM) often present with abnormalities other than dysmenorrhea including co-occurrence with other chronic pain conditions and central sensitization. Changes in brain activity in PDM have been […]

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Insular cortex stimulation alleviates neuropathic pain via ERK phosphorylation in neurons.

The clinical use of brain stimulation is attractive for patients who have side effects or tolerance. However, studies on insular cortex (IC) stimulation are lacking in neuropathic pain. The present […]

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Interaction analyses: Enhancing understanding of chronic low back pain.

Chronic low back pain (CLBP) is complex. Statistical examination of influences of exposures (e.g. characteristics) upon outcomes (e.g. pain) facilitates understanding of complexity and personalized care. Psychological factors may be […]

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Time since onset might be of essence: A recommendation to assess the effects of combination of non-pharmacological neuromodulatory approaches at early stage since symptoms onset.

In the past decade researchers began to assess the potential beneficial effects of non-invasive brain stimulation (NIBS) combined with a behavioral task as a treatment approach for various medical conditions. […]

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Causal relationships between migraine and microstructural white matter: a Mendelian randomization study.

Migraine is a disabling neurological disorder with the pathophysiology yet to be understood. The microstructural alteration in brain white matter (WM) has been suggested to be related to migraine in […]

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Sex-related differential item functioning of neck disability index.

To investigate if the responses to the Neck Disability Index (NDI) may produce some differential item functioning (DIF) comparing men and women.

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Safety of drugs used for the treatment of migraine during pregnancy: a narrative review.

Migraine is common in females of childbearing age and negatively impacts quality of life. The majority of those with migraine who become pregnant see an improvement in their condition but […]

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Spatio-temporal dynamics of resting-state brain networks are associated with migraine disability.

The changes in resting-state functional networks and their correlations with clinical traits remain to be clarified in migraine. Here we aim to investigate the brain spatio-temporal dynamics of resting-state networks […]

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The sense of stopping migraine prophylaxis.

Migraine prophylactic therapy has changed over recent years with the development and approval of monoclonal antibodies (mAbs) targeting the calcitonin gene-related peptide (CGRP) pathway. As new therapies emerged, leading headache […]

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Do MRI-derived muscle moment-arms in patients with chronic low back pain differ from healthy individuals? A comparative study.

The present study aimed to estimate the trunk muscles moment-arms in low back pain (LBP) patients and compare this data to those of healthy individuals. This research further explored whether […]

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Phenotypic differences of atopic dermatitis stratified by age.

Atopic dermatitis (AD) is common across all ages. Understanding heterogeneous age-related phenotypes may improve AD management.

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The effect of hand therapy on alleviating chemotherapy-induced peripheral neuropathy in a model mouse.

The use of neurotoxic chemotherapeutic agents induces numbness in the limbs through chemotherapy-induced peripheral neuropathy (CIPN). Recently, we found that hand therapy involving finger massage improved mild to moderate numbness […]

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Alterations in regional homogeneity and multiple frequency amplitudes of low-frequency fluctuation in patients with new daily persistent headache: a resting-state functional magnetic resonance imaging study.

New daily persistent headache (NPDH) is a rare primary headache that is highly disabling. The pathophysiology of NDPH is still unclear, and we aimed to reveal the underlying mechanism of […]

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Antioxidant Cascade Nanoenzyme Antagonize Inflammatory Pain by Modulating MAPK/p-65 Signaling Pathway.

Chronic pain has attracted wide interest because it is a major obstacle affecting the quality of life. Consequently, safe, efficient, and low-addictive drugs are highly desirable. Nanoparticles (NPs) with robust […]

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Analgesic Utilisation in People with Knee Osteoarthritis: A Population- Based Study Using Primary Care Data.

Osteoarthritis (OA) is a chronic painful condition that often affects large joints such as the knee. Treatment guidelines recommend paracetamol, non-steroidal anti-inflammatory drugs (NSAIDs) and opioids. Antidepressants and Anti-epileptic drugs […]

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Metabotropic glutamate receptor 5-mediated inhibition of inward-rectifying K channel 4.1 contributes to orofacial ectopic mechanical allodynia following inferior alveolar nerve transection in male mice.

Inward-rectifying K channel 4.1 (Kir4.1), which regulates the electrophysiological properties of neurons and glia by affecting K homeostasis, plays a critical role in neuropathic pain. Metabotropic glutamate receptor 5 (mGluR5) […]

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Motive Satisfaction Among Patients with Chronic Primary Pain: A Replication.

We set out to replicate findings of significant (a) reductions in pain, psychological distress, and motivational incongruence (i.e., insufficient motive satisfaction) after interdisciplinary multimodal pain treatment and (b) associations between […]

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Reduced Pain and Improved Function Following Short-Term Use of Noninvasive BioWave High Frequency Peripheral Nerve Stimulation for Pain Management.

The peripheral nervous system is an increasingly popular target for chronic pain treatment modalities. Noninvasive neuromodulation has shown promise at providing significant chronic pain relief with a much safer side […]

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Calcitonin gene-related peptide and its receptor plays important role in nociceptive regulation in the arcuate nucleus of hypothalamus of rats with inflammatory pain.

The present study has explored the role of calcitonin gene-related peptide (CGRP) and its receptor in inflammatory pain modulation in arcuate nucleus of hypothalamus (ARC). Our study demonstrated that intra-ARC […]

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Role of SPECT imaging in the diagnosis and treatment of chronic neck or back pain due to spinal degeneration: a systematic review.

Chronic neck or back pain is a common clinical problem. The most likely cause is degenerative change, whilst other causes are relatively rare. There is growing evidence on using hybrid […]

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EEG Beta functional connectivity decrease in the left amygdala correlates with the affective pain in fibromyalgia: A pilot study.

Fibromyalgia (FM) is a major chronic pain disease with prominent affective disturbances, and pain-associated changes in neurotransmitters activity and in brain connectivity. However, correlates of affective pain dimension lack. The […]

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Blocking SphK/S1P/S1PR1 axis Signaling Pathway Alleviates Remifentanil- induced Hyperalgesia in Rats.

Recent research shows a correlation between altered sphingolipid metabolism and nociceptive processing. Activation of the sphingosine-1-phosphate receptor 1 subtype (S1PR1) by its ligand, sphingosine-1-phosphate (S1P), causes neuropathic pain. However, its […]

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Sestrin2 prevents neonatal incision pain and re-incision enhanced hyperalgesia in adult rats.

Improving the methods for recognizing pain is important for infants admitted to the neonatal intensive care unit. Sestrin2 is a novel stress-inducible protein with a neuroprotective role that functions as […]

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A longitudinal assessment of posttraumatic stress symptoms and pain catastrophizing after injury.

Identifying individuals with high levels of pain catastrophizing (PC) may inform early psychological interventions to prevent the transition from acute to chronic post-injury pain. We examined whether pre-and post-injury posttraumatic […]

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Effect of Upadacitinib on Disease Activity, Pain, Fatigue, Function, Health-Related Quality of Life and Work Productivity for Biologic Refractory Ankylosing Spondylitis.

Patients with ankylosing spondylitis (AS) have significant unmet treatment needs, despite advancements in biologic therapies. This study evaluated the impact of upadacitinib on clinically meaningful improvement in patient-reported outcomes (PROs) […]

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Neonatal pain assessment: Do we have the right tools?

The assessment and management of neonatal pain is crucial for the development and wellbeing of vulnerable infants. Specifically, neonatal pain is associated with adverse health outcomes but is often under-identified […]

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Contribution of microvascular dysfunction to chronic pain.

There is growing evidence that microvascular dysfunction is a pathology accompanying various injuries and conditions that produce chronic pain and may represent a significant contributing factor. Dysfunction that occurs within […]

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Electrical stimulation for the treatment of spinal cord injuries: A review of the cellular and molecular mechanisms that drive functional improvements.

Spinal cord injury (SCI) is a devastating condition that causes severe loss of motor, sensory and autonomic functions. Additionally, many individuals experience chronic neuropathic pain that is often refractory to […]

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Changes in cortical activation during upright stance in individuals with chronic low back pain: An fNIRS study.

Postural control deficits are a potential cause of persistent and recurrent pain in patients with chronic low back pain (CLBP). Although some studies have confirmed that the dorsolateral prefrontal cortex […]

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P2X7 receptor-activated microglia in cortex is critical for sleep disorder under neuropathic pain.

Neuropathic pain (NP) is associated with sleep disturbances, which may substantially influence the quality of life. Clinical and animal studies demonstrated that neurotransmitter is one of the main contributors to […]

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The Role of IL-6 and TMEM100 in Lumbar Discogenic Pain and the Mechanism of the Glycine-Serine-Threonine Metabolic Axis: A Metabolomic and Molecular Biology Study.

It is well established that discogenic low back pain (DLBP) is often caused by the inflammatory response during intervertebral disc degeneration (IDD). However, it remains unclear how inflammatory mediators such […]

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Epidemiological Factors Associated with Prescription of Opioids for Chronic Non-Cancer Pain in Adults: A Country-Wide, Registry-Based Study in Denmark Spans 2004-2018.

Denmark has a high consumption of prescribed opioids, and many citizens with chronic non-cancer pain (CNCP). Therefore, we aimed to characterize and assess epidemiological risk factors associated with long-term non-cancer […]

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Autologous conditioned serum for chronic pain in patients with osteoarthritis: A feasibility observational study.

Autologous conditioned serum is a product of blood origin, with fragmented evidence of therapeutic properties in osteoarthritis chronic pain. This pilot observational prospective study aimed to evaluate the feasibility of […]

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Assessment of suitable referral, effectiveness and long-term outcomes of standard vs intensive pain management programmes for people with chronic pain.

Chronic pain is a leading cause of disability, often requiring multidisciplinary management. 2021 NICE guidance has questioned the quality of the evidence surrounding the efficacy of pain management programmes (PMPs), […]

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Understanding ethnic minority service user experiences of being invited to and attending group pain programmes: A qualitative service evaluation.

Health inequalities continue to exist for individuals from an ethnic minority background who live with chronic pain. There is a growing recognition that an individual’s experience of pain is shaped […]

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Compassion focused therapy for pain management: ‘3 systems approach’ to understanding why striving and self-criticism are key psychological barriers to regulating activity and improving self-care for people living with persistent pain.

This paper describes the development of an eight-week Compassion Focused Therapy for Pain Management (CFT-PM) group. This group was specifically designed for ‘strivers’ a sub-group of people with persistent pain […]

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CYP1B1-derived epoxides modulate the TRPA1 channel in chronic pain.

Pain is often debilitating, and current treatments are neither universally efficacious nor without risks. Transient receptor potential (TRP) ion channels offer alternative targets for pain relief, but little is known […]

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Bispecific sigma-1 receptor antagonism and mu-opioid receptor partial agonism: WLB-73502, an analgesic with improved efficacy and safety profile compared to strong opioids.

Opioids are the most effective painkillers, but their benefit-risk balance often hinder their therapeutic use. WLB-73502 is a dual, bispecific compound that binds sigma-1 (S1R) and mu-opioid (MOR) receptors. WLB-73502 […]

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Treating Vestibular Migraine When Pregnant and Postpartum: Progress, Challenges and Innovations.

Vestibular migraine is a leading cause of vertigo in pregnancy and, although not a distinct migraine subtype, is an episodic syndrome associated with migraine. Vestibular migraine is associated with diverse […]

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HIV-PASS (Pain and Sadness Support): Randomized controlled trial of a behavioral health intervention for interference due to pain in people living with HIV, chronic pain, and depression.

To determine whether HIV-Pain and Sadness Support (HIV-PASS), a collaborative behavioral health intervention based on behavioral activation, is associated with decreased pain-related interference with daily activities, depression, and other outcomes […]

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Esketamine Anesthetizes Mice With a Similar Potency to Racemic Ketamine.

Esketamine, the right-handed optical isomer of racemic ketamine, has recently become widely used for anesthesia and analgesia as a replacement for racemic ketamine. However, there are limited studies comparing the […]

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Co-Targeting IL-6 and EGFR signaling for the treatment of schwannomatosis and associated pain.

Patients with Schwannomatosis (SWN) overwhelmingly present with intractable, debilitating chronic pain. There are no effective therapies to treat SWN. The drivers of pain response and tumor progression in SWN are […]

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Activation of the High-Affinity Choline Transporter 1 in the Spinal Cord Relieves Stress-Induced Hyperalgesia.

The mechanism underlying irritable bowel syndrome (IBS), a common disease with hyperalgesia, remains elusive. The spinal cholinergic system is involved in pain modulation, but its role in IBS is unknown.

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Physiotherapists’ attitudes and beliefs about self-management as part of their management for low back pain.

Perceptually, there is a discrepancy between research evidence and clinical physiotherapy practice for supporting self-management in people with low back pain (LBP).

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Design, synthesis, in vitro evaluation, and molecular modeling studies of N-substituted benzomorphans, analogs of LP2, as novel MOR ligands.

6,7-Benzomorphans have been investigated in medicinal chemistry for developing new drugs. This nucleus could be considered a versatile scaffold. The physicochemical properties of benzomorphan N-substituent are crucial in achieving a […]

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Clinical features and enzyme replacement therapy in 10 children with Fabry disease.

To summarize the clinical features, diagnosis and enzyme replacement therapy(ERT) of Fabry disease (FD) in children.

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Nonopioid pharmacological management of acute low back pain: A level I of evidence systematic review.

Acute low back pain (LBP) imposes a significant socioeconomical burden as it is the condition that, worldwide, cause the most disability. Nonetheless, the literature regarding the best pharmacological management of […]

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Comorbid extra-intestinal central sensitization conditions worsen irritable bowel syndrome in primary care patients.

Irritable bowel syndrome (IBS) is characterized as a central sensitization syndrome (CSS), a group of conditions including fibromyalgia, chronic fatigue, and restless leg syndrome (RLS) among others with frequent comorbidities […]

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Effects of non-pharmacological interventions on sleep in chronic low back pain: A systematic review and meta-analysis of randomised controlled trials.

Low back pain is a leading cause of disability worldwide and adults with chronic low back pain (≥12weeks) commonly experience sleep impairments (e.g., insomnia, sleep disturbance). This study examined the […]

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Physical clinical care and artificial-intelligence-guided core resistance training improve endurance and patient-reported outcomes in subjects with lower back pain.

Low back pain is an extremely prevalent issue with an extensive impact, ranging from decreased quality of life to lost years of productivity. Many interventions have been developed to alleviate […]

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Idiopathic Intracranial Hypertension: A Comprehensive Overview.

Idiopathic intracranial hypertension (IIH), also called pseudotumor cerebri syndrome, is a disorder defined as elevated intracranial pressure (ICP) of unknown cause. It is a diagnosis of exclusion in most cases, […]

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Regenerative medicine for the treatment of chronic low back pain: a narrative review.

Low back pain (LBP) is a common and important clinical problem. In addition to pain, patients are also affected by personal, social, and economic burdens. Intervertebral disc (IVD) degeneration is […]

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Digital health tools for pain monitoring in pediatric oncology: a scoping review and qualitative assessment of barriers and facilitators of implementation.

We aimed to systematically identify and characterize existing digital health tools for pain monitoring in children with cancer, and to assess common barriers and facilitators of implementation.

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Focused ultrasound-induced inhibition of peripheral nerve fibers in an animal model of acute pain.

Moderate-to-severe acute pain is prevalent in many healthcare settings and associated with adverse outcomes. Peripheral nerve blockade using traditional needle-based and local anesthetic-based techniques improves pain outcomes for some patient […]

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Bibliometric analysis of research articles on post-herpetic neuralgia published from 1991 to 2020.

Post-herpetic neuralgia (PHN) is one of the most painful diseases, which has made it a major concern for pain physicians. We aimed to quantitatively analyze the research outputs of studies […]

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Association between urinary phthalate levels and chronic pain in US adults, 1999-2004: A nationally representative survey.

Chronic pain is a public health concern throughout the world. Ascertaining and managing its risk factors helps develop well-directed treatment plans and prevention strategies. Phthalates (PAEs) exposure leads to various […]

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Toward the unknown: consciousness and pain.

Studies of consciousness are hindered by the complexity of the brain, but it is possible to study the consciousness of a sensation, namely pain. Three systems are necessary to experience […]

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