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Should migraine without aura be further divided? A study of 1444 female patients with migraine without aura.

To explore the possibility of further dividing migraine without aura (MWA), 1444 female patients fulfilled the criterion were recruited, and grouped basing on the association of MWA onset with menarche […]

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An observational study on monoclonal antibodies against CGRP and its receptor.

Based on their pharmacological target, two classes of calcitonin gene-related peptide (CGRP) monoclonal antibodies (mAbs) have been identified: antibodies against the CGRP ligand – Galcanezumab, Fremanezumab, Eptinezumab – and the […]

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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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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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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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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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