Int J Mol Med:研究揭示IL17RC基因在后纵韧带胸椎骨化中的潜在作用

2019-03-14 不详 网络

后纵韧带(T-OPLL)的胸椎骨化可引起胸椎管狭窄,导致顽固性脊髓病和神经根病。我们先前的全基因组测序研究首先报道了白细胞介素17受体C(IL17RC)基因中的rs199772854作为T-OPLL的潜在致病基因座。本研究旨在通过建立成骨分化模型来检查IL17RC基因rs199772854A位点突变对骨生成的影响。构建IL17RC基因突变位点和野生型位点小鼠胚胎成骨细胞(3T3-E1)模型以诱导细

后纵韧带(T-OPLL)的胸椎骨化可引起胸椎管狭窄,导致顽固性脊髓病和神经根病。我们先前的全基因组测序研究首先报道了白细胞介素17受体C(IL17RC)基因中的rs199772854作为T-OPLL的潜在致病基因座。本研究旨在通过建立成骨分化模型来检查IL17RC基因rs199772854A位点突变对骨生成的影响。

构建IL17RC基因突变位点和野生型位点小鼠胚胎成骨细胞(3T3-E1)模型以诱导细胞分化为成骨细胞。通过逆转录-定量聚合酶链反应(RT-qPCR)和蛋白质印迹分析,分析突变位点是否导致IL17RC基因和成骨标志物的异常表达。IL17RC基因rs199772854A位点突变被证明通过其自身基因的过表达发挥生物学作用,并且还显著增加成骨标志物的表达水平。此外,该突变上调白细胞介素(IL)-17信号轴中关键蛋白,肿瘤坏死因子受体(TNFR)相关因子6(TRAF6)和核因子(NF)-κB的表达。

总体而言,本研究的结果表明IL17RC基因rs199772854A基因座突变推动小鼠胚胎成骨细胞向成骨分化发展,并可能在T-OPLL的发病机制中发挥重要作用。IL17RC基因可以通过IL-17信号传导通路促进骨生成,因此可能参与T-OPLL中的异位成骨过程。

原始出处:

Wang P, Liu X, et al., Potential role of the IL17RC gene in the thoracic ossification of the posterior longitudinal ligament. Int J Mol Med. 2019 Mar 12. doi: 10.3892/ijmm.2019.4130.

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    2019-03-16 yyj065
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