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Inhibition of persistent sodium current reduces spreading depression-evoked allodynia in a mouse model of migraine with aura.

We investigated the efficacy of inhibiting persistent Na+ currents (INaP) in acute rodent models of migraine with aura. Cortical spreading depression (SD) is a slow wave of neuronal and glial […]

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Pain in Parkinson disease: mechanistic substrates, main classification systems, and how to make sense out of them.

Parkinson disease (PD) affects up to 2% of the general population older than 65 years and is a major cause of functional loss. Chronic pain is a common nonmotor symptom […]

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Gateway reflexes are neural circuits that establish the gateway of immune cells to regulate tissue specific inflammation.

Tissue-specific inflammatory diseases are regulated by several mechanisms. The gateway reflex and IL-6 amplifier are two mechanisms involved in diseases that depend on the inflammatory cytokine IL-6. The gateway reflex […]

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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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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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Shank2 identifies a subset of glycinergic neurons involved in altered nociception in an autism model.

Autism Spectrum Disorders (ASD) patients experience disturbed nociception in the form of either hyposensitivity to pain or allodynia. A substantial amount of processing of somatosensory and nociceptive stimulus takes place […]

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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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