ArticleNeurochemical research2013
Decreased expression and role of GRK6 in spinal cord of rats after chronic constriction injury.
Article in Neurochemical research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- A Review of the Therapeutic Potential of Recently Developed G Protein-Biased Kappa Agonists.Frontiers in pharmacology · 2019Review
- Translocation Associated Membrane Protein 1 Contributes to Chronic Constriction Injury-Induced Neuropathic Pain in the Dorsal Root Ganglion and Spinal Cord in Rats.Journal of molecular neuroscience : MN · 2018Article
- Prognostic value of decreased GRK6 expression in lung adenocarcinoma.Journal of cancer research and clinical oncology · 2016Article
- Morin Mitigates Chronic Constriction Injury (CCI)-Induced Peripheral Neuropathy by Inhibiting Oxidative Stress Induced PARP Over-Activation and Neuroinflammation.Neurochemical research · 2016Article
- Overexpression of GRK6 attenuates neuropathic pain via suppression of CXCR2 in rat dorsal root ganglion.Molecular pain · 2016Article
- Neutrophil Elastase Activates Protease-activated Receptor-2 (PAR2) and Transient Receptor Potential Vanilloid 4 (TRPV4) to Cause Inflammation and Pain.The Journal of biological chemistry · 2015Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nerve injury and inflammation can both induce neuropathic pain via the production of pro-inflammatory cytokines. In the process, G protein-coupled receptors (GPCRs) were involved in pain signal transduction. GPCR kinase (GRK) 6 is a member of the GRK family that regulates agonist-induced desensitization and signaling of GPCRs. However, its expression and function in neuropathic pain have not been reported. In this study, we performed a chronic constriction injury (CCI) model in adult male rats and investigated the dynamic change of GRK6 expression in spinal cord. GRK6 was predominantly expressed in the superficial layers of the lumbar spinal cord dorsal horn neurons and its expression was decreased bilaterally following induction of CCI. The changes of GRK6 were mainly in IB4 and P substrate positive areas in spinal cord dorsal horn. And over-expression of GRK6 in spinal cord by lentivirus intrathecal injection attenuated the pain response induced by CCI. In addition, the level of TNF-α underwent the negative pattern of GRK6 in spinal cord. And neutralized TNF-α by antibody intrathecal injection up-regulated GRK6 expression and attenuated the mechanical allodynia and heat hyperalgesia in CCI model. All the data indicated that down-regulation of neuronal GRK6 expression induced by cytokine may be a potential mechanism that contributes to increasing neuronal signaling in neuropathic pain.
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