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The locus coeruleus input to the rostral ventromedial medulla mediates stress-induced colorectal visceral pain.

Unlike physiological stress, which carries survival value, pathological stress is widespread in modern society and acts as a main risk factor for visceral pain. As the main stress-responsive nucleus in […]

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GSK-3β inhibition alleviates arthritis pain via reducing spinal mitochondrial reactive oxygen species level and inflammation.

Pain is the main symptom of osteoarthritis, which severely reduces the patients’ quality of life. Stimulated neuroinflammation and elevated mitochondrial oxidative stress are associated arthritis pain. In the present study, […]

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The Antinociceptive Activity of (E)-3-(thiophen-2-yl)-N-(p-tolyl)acrylamide in Mice Is Reduced by (E)-3-(furan-2-yl)-N-methyl-N-(p-tolyl)acrylamide Through Opposing Modulatory Mechanisms at the α7 Nicotinic Acetylcholine Receptor.

The primary objective of this study was to characterize the pharmacological and behavioral activity of 2 novel compounds, DM497 [(E)-3-(thiophen-2-yl)-N-(p-tolyl)acrylamide] and DM490 [(E)-3-(furan-2-yl)-N-methyl-N-(p-tolyl)acrylamide], structural derivatives of PAM-2, a positive allosteric […]

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Structure-Based Discovery of a New Selectivity-Enabling Motif for the FK506-Binding Protein 51.

In recent years, the selective inhibition of FKBP51 has emerged as a possible treatment for chronic pain, obesity-induced diabetes, or depression. All currently known advanced FKBP51-selective inhibitors, including the widely […]

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Design, synthesis, and biological evaluation of new 2-(4-(methylsulfonyl)phenyl)–phenylimidazo[1,2-]pyridin-3-amine as selective COX-2 inhibitors.

Cyclooxygenase (COX), which plays a role in converting arachidonic acid to inflammatory mediators, could be inhibited by non-steroidal anti-inflammatory drugs (NSAIDs). Although potent NSAIDs are available for the treatment of […]

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Notch signaling is activated in knee-innervating dorsal root ganglia in experimental models of osteoarthritis joint pain.

We aimed to explore activation of the Notch signaling pathway in knee-innervating lumbar dorsal root ganglia (DRG) in the course of experimental osteoarthritis (OA) in mice, and its role in […]

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Piezo2 regulates colonic mechanical sensitivity in a sex specific manner in mice.

The mechanosensitive ion channel Piezo2 in mucosa and primary afferents transduces colonic mechanical sensation. Here we show that chemogenetic activation or nociceptor-targeted deletion of Piezo2 is sufficient to regulate colonic […]

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Anti-Inflammatory Activity of Synaptamide in the Peripheral Nervous System in a Model of Sciatic Nerve Injury.

N-docosahexaenoylethanolamine (DHEA), or synaptamide, is an endogenous metabolite of docosahexaenoic acid (DHA) that exhibits synaptogenic and neurogenic effects. In our previous studies, synaptamide administration inhibited the neuropathic pain-like behavior and […]

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The Interactions of Magnesium Sulfate and Cromoglycate in a Rat Model of Orofacial Pain; The Role of Magnesium on Mast Cell Degranulation in Neuroinflammation.

Mast cell degranulation impacts the development of pain and inflammation during tissue injury. We investigated the antinociceptive effect of a combination of cromoglycate and magnesium in the orofacial model of […]

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Spinal Cord Stimulation Increases Chemoefficacy and Prevents Paclitaxel-Induced Pain via CX3CL1.

Despite increasing utilization of spinal cord stimulation (SCS), its effects on chemoefficacy, cancer progression, and chemotherapy-induced peripheral neuropathy (CIPN) pain remain unclear. Up to 30% of adults who are cancer […]

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