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Migraine attacks triggered by ingestion of watermelon (Citrullus lanatus): A source of citrulline activating the L-arginine-nitric oxide pathway.

Ingesting some foods can trigger headache attacks in migraine patients. Diet-sourced citrulline activates the L-arginine-nitric oxide pathway, acting on the pathophysiology of migraine.

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BDNF-TrkB signaling pathway-mediated microglial activation induces neuronal KCC2 downregulation contributing to dynamic allodynia following spared nerve injury.

Mechanical allodynia can be evoked by punctate pressure contact with the skin (punctate mechanical allodynia) and dynamic contact stimulation induced by gentle touching of the skin (dynamic mechanical allodynia). Dynamic […]

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A Pharmacological Evaluation of the Analgesic Effect and Hippocampal Protein Modulation of the Ketamine Metabolite (2R,6R)-Hydroxynorketamine in Murine Pain Models.

The ketamine metabolite (2R,6R)-hydroxynorketamine ([2R,6R]-HNK) has analgesic efficacy in murine models of acute, neuropathic, and chronic pain. The purpose of this study was to evaluate the α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate (AMPA) dependence of […]

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Protease-Activated Receptor 2 (PAR2) expressed in sensory neurons contributes to signs of pain and neuropathy in paclitaxel treated mice.

Chemotherapy-Induced Peripheral Neuropathy (CIPN) is a common, dose-limiting side effect of cancer therapy. Protease-activated receptor 2 (PAR2) is implicated in a variety of pathologies, including CIPN. In this study, we […]

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Fibroblast-derived PI16 sustains inflammatory pain via regulation of CD206 myeloid cells.

Originally identified in fibroblasts, Protease Inhibitor (PI)16 was recently shown to be crucial for the development of neuropathic pain via effects on blood-nerve barrier permeability and leukocyte infiltration, though its […]

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Repeat mild traumatic brain injuries (RmTBI) modify nociception and disrupt orexinergic connectivity within the descending pain pathway.

Repeat mild traumatic brain injuries (RmTBI) result in substantial burden to the public health system given their association with chronic post-injury pathologies, such as chronic pain and post-traumatic headache. Although […]

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Inhibition of tumor-derived CCL2 expression attenuates tactile allodynia in NCTC 2472 fibrosarcoma-inoculated mice.

Neuropathic pain associated with cancers is caused by tumor growth compressing and damaging nerves, which would also be enhanced by inflammatory factors through sensitizing nociceptor neurons. One troublesome hallmark symptom […]

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Sub-Anaesthetic Dose of Propofol Attenuates Mechanical Allodynia in Chronic Post-Ischaemic Pain via Regulation of PTEN/PI3K/IL-6 Signalling.

Propofol is an intravenous anaesthetic drug that has been shown to reduce inflammatory pain. Complex regional pain syndrome (CRPS) type I is a pain condition characterized by autonomic, motor and […]

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Solasodine Containing Solanum torvum L. Fruit Extract Prevents Chronic Constriction Injury-Induced Neuropathic Pain in Rats: In Silico and In Vivo Evidence of TRPV1 Receptor and Cytokine Inhibition.

This study aimed to assess the efficacy of ethanolic extract of Solanum torvum L. fruit (EESTF) containing solasodine in treating chronic constriction injury (CCI)-induced neuropathic pain in rats. Three-dimensional (3D) […]

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A descending inhibitory mechanism of nociception mediated by an evolutionarily conserved neuropeptide system in Drosophila.

Nociception is a neural process that animals have developed to avoid potentially tissue-damaging stimuli. While nociception is triggered in the peripheral nervous system, its modulation by the central nervous system […]

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