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Properties of Nav1.8-positive and Nav1.8-negative afferent mechanoreceptors in the hindpaw glabrous skin of mice.

Nav1.8-positive afferent fibers are mostly nociceptors playing a role in mediating thermal and mechanical pain, but mechanoreceptors within these afferents have not been fully investigated. In this study, we generated […]

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A buprenorphine depot formulation provides effective sustained post-surgical analgesia for 72 h in mouse femoral fracture models.

Adequate pain management is essential for ethical and scientific reasons in animal experiments and should completely cover the period of expected pain without the need for frequent re-application. However, current […]

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Alterations of pain pathways by experimental sleep disturbances in humans: Central pain-inhibitory, cyclooxygenase, and endocannabinoid pathways.

There is strong evidence that sleep disturbances are an independent risk factor for the development of chronic pain conditions. The mechanisms underlying this association, however, are still not well understood. […]

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Loss of astrocytic A1 adenosine receptor is involved in a chemotherapeutic agent-induced rodent model of neuropathic pain.

Oxaliplatin is a commonly used platinum chemotherapy drug while peripheral neurotoxicity is a widely observed adverse reaction lacking a satisfactory therapeutic strategy. Different adenosine receptors underlying the common neuropathic phenotype […]

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Diisocyanates influence models of atopic dermatitis through direct activation of TRPA1.

We recently used EPA databases to identify that isocyanates, most notably toluene diisocyanate (TDI), were the pollutant class with the strongest spatiotemporal and epidemiologic association with atopic dermatitis (AD). Our […]

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Microglia-Neuron Interactions Promote Chronic Itch via the NLRP3-IL-1β-GRPR Axis.

Spinal astrocytes contribute to chronic itch via sensitization of itch-specific neurons expressing gastrin-releasing peptide receptor (GRPR). However, whether microglia-neuron interactions contribute to itch remains unclear. In this study, we aimed […]

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Endogenous Derivatives of Linoleic Acid and their Stable Analogs Are Potential Pain Mediators.

Psoriasis is characterized by intense pruritus, with a subset of individuals with psoriasis experiencing thermal hypersensitivity. However, the pathophysiology of thermal hypersensitivity in psoriasis and other skin conditions remains enigmatic. […]

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Mechanical and Heat Hyperalgesia upon Withdrawal from Chronic Intermittent Ethanol Vapor depends on Sex, Exposure Duration, and Blood Alcohol Concentration in Mice.

Approximately half of patients with alcohol use disorder report pain and this can be severe during withdrawal. Many questions remain regarding the importance of biological sex, alcohol exposure paradigm, and […]

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Endometriosis leads to central nervous system-wide glial activation in a mouse model of endometriosis.

Chronic pelvic pain (CPP) is a common symptom of endometriosis. Women with endometriosis are also at a high risk of suffering from anxiety, depression, and other psychological disorders. Recent studies […]

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Enhanced Contraction of Arterial Smooth Muscle Cell in Skin Artery Is Sensitive to Hyperpolarization Mediated by BK Channel in Chronic Constriction Injury Model Rat.

Previous our study found that improvement of skin blood flow associated with neuropathic pain using vasodilators is useful for alleviation of neuropathic pain. In this study, we aimed to elucidate […]

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