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Impaired muscarinic modulation of the rat prelimbic cortex in neuropathic pain is sexually dimorphic and associated with cold allodynia.

Cholinergic modulation of the brain cortex is critical for cognitive processes, and altered cholinergic modulation of the prefrontal cortex is emerging as an important mechanism of neuropathic pain. Sex differences […]

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Temperature increase significantly enhances nociceptive responses of C-fibers to ATP, high K, and acidic pH in mice.

It is well established that temperature affects the functioning of almost all biomolecules and, consequently, all cellular functions. Here, we show how temperature variations within a physiological range affect primary […]

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Are catechol-O-methyltransferase gene polymorphisms genetic markers for pain sensitivity after all? – A review and meta-analysis.

The catechol-O-methyltransferase (COMT) gene has arguably been the designated pain sensitivity gene for nearly two decades. However, the literature provides inconsistent evidence. We performed several meta-analyses including k = 31 […]

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Brachial plexus avulsion induced changes in gut microbiota promotes pain related anxiety-like behavior in mice.

Brachial plexus avulsion (BPA) injury develops frequent and intense neuropathic pain, involving in both peripheral and central nervous systems. The incidence of anxiety or depression caused by BPA-induced neuropathic pain […]

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Design, synthesis and mechanism of action of novel μ-conotoxin KIIIA analogs for inhibition of the voltage-gated sodium channel Na1.7.

μ-Conotoxin KIIIA, a selective blocker of sodium channels, has strong inhibitory activity against several Na isoforms, including Na1.7, and has potent analgesic effects, but it contains three pairs of disulfide […]

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Functional mixed effects clustering with application to longitudinal urologic chronic pelvic pain syndrome symptom data.

By clustering patients with the urologic chronic pelvic pain syndromes (UCPPS) into homogeneous subgroups and associating these subgroups with baseline covariates and other clinical outcomes, we provide opportunities to investigate […]

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PACAP inhibition alleviates neuropathic pain by modulating Nav1.7 through the MAPK/ERK signaling pathway in a rat model of chronic constriction injury.

Trigeminal neuralgia is a common chronic maxillofacial neuropathic pain disorder, and voltage-gated sodium channels (VSGCs) are likely involved in its pathology. Prior studies report that pituitary adenylate cyclase-activating polypeptide (PACAP), […]

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Role of reactive oxygen species and mitochondrial damage in rheumatoid arthritis and targeted drugs.

Rheumatoid arthritis (RA) is an autoimmune disease characterized by synovial inflammation, pannus formation, and bone and cartilage damage. It has a high disability rate. The hypoxic microenvironment of RA joints […]

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Analgesic effects of a highly selective mPGES-1 inhibitor.

The growing opioid use and overdose crisis in the US is closely related to the abuse of pain medications. Particularly for postoperative pain (POP), ~ 310 million major surgeries are performed globally […]

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Intermediary roles of prospective memory and retrospective memory in the comorbidity of depression and pain.

Patients who suffer comorbidity of major depressive disorder (MDD) and chronic pain (CP) maintain a complex interplay between maladaptive prospective memory (PM) and retrospective memory (RM) with physical pain, and […]

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