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- W2736800264 abstract "P2Y12 and P2Y13 receptors involved in ADPbetas induced the release of IL-1beta, IL-6 and TNF-alpha from cultured dorsal horn microglia Pei-Wen Liu,* Ming-Xia Yue,* Rui Zhou, Juan Niu, Du-Juan Huang, Tao Xu, Pei Luo, Xiao-Hong Liu, Jun-Wei Zeng Department of Physiology, Zunyi Medical College, Guizhou, China *These authors contributed equally to this work Objective: P2 receptors have been implicated in the release of neurotransmitter and pro-inflammatory cytokines due to their response to neuroexcitatory substances in the microglia. Dorsal horn P2Y12 and P2Y13 receptors are involved in the development of pain behavior induced by peripheral nerve injury. However, it is not known whether P2Y12 and P2Y13 receptors activation is associated with the expression and the release of interleukin-1B (IL-1β), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α) in cultured dorsal spinal cord microglia. For this reason, we examined the effects of ADPβs (ADP analog) on the expression and the release of IL-1β, IL-6, and TNF-α.Methods and results: In this study, we observed the effect of P2Y receptor agonist ADPβs on the expression and release of IL-1β, IL-6 and TNF-α by using real-time fluorescence quantitative polymerase chain reaction (PCR) and enzyme-linked immunosorbent assay (ELISA). ADPβs induced the increased expression of Iba-1, IL-1β, IL-6 and TNF-α at the level of messenger RNA (mRNA). ADPβs-evoked increase in Iba-1, IL-1β, IL-6 and TNF-α mRNA expression was inhibited only partially by P2Y12 receptor antagonist MRS2395 or P2Y13 receptor antagonist MRS2211, respectively. Similarly, ADPβs-evoked release of IL-1β, IL-6 and TNF-α was inhibited only partially by MRS2395 or MRS2211. Furthermore, ADPβs-evoked increased expression of Iba-1, IL-1β, IL-6 and TNF-α mRNA, and release of IL-1β, IL-6 and TNF-α were nearly all blocked after co-administration of MRS2395 plus MRS2179. Further evidence indicated that P2Y12 and P2Y13 receptor-evoked increased gene expression of IL-1β, IL-6 and TNF-α were inhibited by Y-27632 (ROCK inhibitor), SB203580 (P38MAPK inhibitor) and PDTC (NF-κb inhibitor), respectively. Subsequently, P2Y12 and P2Y13 receptor-evoked release of IL-1β, IL-6 and TNF-α, were also inhibited by Y-27632, SB203580 and PDTC, respectively.Conclusion: These observations suggest that P2Y12 and P2Y13 receptor-evoked gene expression and release of IL-1β, IL-6 and TNF-α are associated with ROCK/P38MAPK/NF-κb signaling pathway. Keywords: glial activation, P2 receptor, NF-kB, p38 mitogen-activated protein kinase" @default.
- W2736800264 created "2017-07-31" @default.
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- W2736800264 date "2017-07-01" @default.
- W2736800264 modified "2023-10-10" @default.
- W2736800264 title "P2Y<sub>12 </sub>and P2Y<sub>13</sub> receptors involved in ADPβs induced the release of IL-1β, IL-6 and TNF-α from cultured dorsal horn microglia" @default.
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- W2736800264 doi "https://doi.org/10.2147/jpr.s137131" @default.
- W2736800264 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5536317" @default.
- W2736800264 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/28794655" @default.
- W2736800264 hasPublicationYear "2017" @default.
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