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Involvement of Kir4.1 in pain insensitivity of the BTBR mouse model of autism spectrum disorder.

Autism spectrum disorder (ASD) is a severe neurodevelopmental disorder. Abnormal pain sensation is a common clinical symptom of ASD that seriously affects the quality of life of patients with ASD […]

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Celastrol-encapsulated microspheres prepared by microfluidic electrospray for alleviating inflammatory pain.

Inflammatory pain is induced by trauma, infection, chemical stimulation, etc. It causes severe physical and psychological agony to patients. Celastrol has powerful anti-inflammatory property and has achieved good results in […]

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ATP-releasing SWELL1 channel in spinal microglia contributes to neuropathic pain.

Following peripheral nerve injury, extracellular adenosine 5′-triphosphate (ATP)-mediated purinergic signaling is crucial for spinal cord microglia activation and neuropathic pain. However, the mechanisms of ATP release remain poorly understood. Here, […]

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Identification of mitochondria-related key gene and association with immune cells infiltration in intervertebral disc degeneration.

Intervertebral disc (IVD) degeneration and its inflammatory microenvironment can result in discogenic pain, which has been shown to stem from the nucleus pulposus (NP). Increasing evidence suggests that mitochondrial related […]

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Pain-related neuronal ensembles in the primary somatosensory cortex contribute to hyperalgesia and anxiety.

The mechanism by which acute pain or itch information at the periphery is processed in the primary somatosensory cortex (S1) remains unclear. To elucidate this, we used a viral-mediated targeted-recombination-in-active […]

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The impact of sex and physical activity on the local immune response to muscle pain.

Induction of muscle pain triggers a local immune response to produce pain and this mechanism may be sex and activity level dependent. The purpose of this study was to measure […]

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Human pain ratings to electrical sinusoids increase with cooling through a cold-induced increase in C-fibre excitability.

Low-frequency sinusoidal current applied to human skin evokes local axon reflex flare and burning pain, indicative of C-fibre activation. Because topical cooling works well as a local analgesic, we examined […]

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Transcriptome Analysis of the Mouse Medial Prefrontal Cortex in a Chronic Constriction Injury Model.

The medial prefrontal cortex (mPFC) is critical for both the sensory and emotional/cognitive components of pain. However, the underlying mechanism remains largely unknown. Here, we examined changes in the transcriptomic […]

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Neuronal P2X4 receptor may contribute to peripheral inflammatory pain in rat spinal dorsal horn.

Intense inflammation may result in pain, which manifests as spinal central sensitization. There is growing evidence that purinergic signaling plays a pivotal role in the orchestration of pain processing. Over […]

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Spinal cannabinoid receptor 2 activation alleviates neuropathic pain by regulating microglia and suppressing P2X7 receptor.

Neuropathic pain (NP) is the chronic pain in patients resulting from injuries or diseases in the somatosensory nervous system. However, effective treatment remains limited to opioids. Currently, there is an […]

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