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Vitamin D Metabolism Genes are Differentially Methylated in Individuals with Chronic Knee Pain.

Recent evidence suggests that Vitamin D may interact with the epigenome and play a role in the pain experience. In order for proper functioning to occur, there must be an […]

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A photoswitchable inhibitor of TREK channels controls pain in wild-type intact freely moving animals.

By endowing light control of neuronal activity, optogenetics and photopharmacology are powerful methods notably used to probe the transmission of pain signals. However, costs, animal handling and ethical issues have […]

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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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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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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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In Vivo Calcium Imaging of Neuronal Ensembles in Networks of Primary Sensory Neurons in Intact Dorsal Root Ganglia.

Ca imaging can be used as a proxy for cellular activity, including action potentials and various signaling mechanisms involving Ca entry into the cytoplasm or the release of intracellular Ca […]

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Up-regulation of HCN2 channels in a thalamocortical circuit mediates allodynia in mice.

Chronic pain is a significant problem that afflicts individuals and society, and for which the current clinical treatment is inadequate. In addition, the neural circuit and molecular mechanisms subserving chronic […]

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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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