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Preclinical study in a postoperative pain model to investigate the action of ketamine, lidocaine, and ascorbic acid in reversing fentanyl-induced, non-glutamate-dependent hyperalgesia.

Opioid-induced hyperalgesia (OIH) is a paradoxical phenomenon in which exposure to opioids can increase sensitivity to painful stimuli. Currently, several drugs have been used in an attempt to prevent OIH. […]

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Menstrual migraine is caused by estrogen withdrawal: revisiting the evidence.

To explore and critically appraise the evidence supporting the role of estrogen withdrawal in menstrual migraine.

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CoREST1 in primary sensory neurons regulates neuropathic pain in male mice.

Epigenetic regulation is implicated in the neurogenesis of neuropathic pain. The repressor element 1 (RE1) silencing transcription factor (REST) corepressor (CoREST) proteins function as corepressors in the REST complex and/or […]

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The Capsaicin Binding Affinity of Wild-Type and Mutant TRPV1 Ion Channels.

Vanilloids such as capsaicin and resiniferatoxin (RTX) are highly selective and potent activators for TRPV1, a nociceptor for heat and pain perception. However, the intrinsic vanilloid binding affinity, key for […]

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A cholinergic circuit that relieves pain despite opioid tolerance.

Chronic pain is a tremendous burden for afflicted individuals and society. Although opioids effectively relieve pain, significant adverse outcomes limit their utility and efficacy. To investigate alternate pain control mechanisms, […]

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Cryo-EM structures of human GPR34 enable the identification of selective antagonists.

GPR34 is a functional G-protein-coupled receptor of Lysophosphatidylserine (LysoPS), and has pathogenic roles in numerous diseases, yet remains poorly targeted. We herein report a cryo-electron microscopy (cryo-EM) structure of GPR34 […]

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Opposing effects on descending control of nociception by mu and kappa opioid receptors in the anterior cingulate cortex.

The efficiency of descending pain modulation, commonly assessed with the conditioned pain modulation (CPM) procedure, is diminished in patients with chronic pain. We hypothesized that the efficiency of pain modulation […]

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Abdominal pain in patients with inflammatory bowel disease in remission: A prospective study on contributing factors.

Abdominal pain is highly prevalent in patients with inflammatory bowel disease (IBD) in remission, but the aetiology is incompletely understood.

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Differential contribution of 5-HT4, 5-HT5, and 5-HT6 receptors to acute pruriceptive processing induced by chloroquine and histamine in mice.

The involvement of serotonin (5-HT) and/or noradrenaline in acute pruriceptive processing in the central nervous system (CNS) has been reported using antidepressants, such as milnacipran, a serotonin and noradrenaline reuptake […]

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Inhibition of C5aR1 as a promising approach to treat taxane-induced neuropathy.

Chemotherapy-induced peripheral neuropathy (CIPN) is a common side effect of several antitumor agents resulting in progressive and often irreversible damage of peripheral nerves. In addition to their known anticancer effects, […]

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