Sci Rep:炎性体感应子的表达分析和NLRP12炎性体在前列腺癌中的意义

2017-07-01 AlexYang MedSci原创

炎性体是多蛋白的复合物,并且可以调节炎症相关的信号通路。尽管炎症在癌细胞的生长过程中扮演着重要角色,在前列腺癌中,炎性体的角色仍旧没有鉴定。最近,有研究人员利用基因表达综合数据库(GEO)公共资料,筛选和分析了炎症体感应子NLRP3、NLRC4、NLRP6、NRLP12和AIM2在前列腺癌组织中的表达情况,并且鉴定了在一组前列腺细胞系中,它们的mRNA表达情况。研究人员对选择的NLRP3和NLRP

炎性体是多蛋白的复合物,并且可以调节炎症相关的信号通路。尽管炎症在癌细胞的生长过程中扮演着重要角色,在前列腺癌中,炎性体的角色仍旧没有鉴定。最近,有研究人员利用基因表达综合数据库(GEO)公共资料,筛选和分析了炎症体感应子NLRP3、NLRC4、NLRP6、NRLP12和AIM2在前列腺癌组织中的表达情况,并且鉴定了在一组前列腺细胞系中,它们的mRNA表达情况。研究人员对选择的NLRP3和NLRP12炎性体进行了确认,并且在人类前列腺肿瘤组织中对临床的相关性进行了评估。

研究人员发现,除了NLRP12之外,其他的炎性体mRNA水平的表达被异常调节。另外,和它们临近的良性组织比较,NLRP12炎性体感应子的免疫染色密度在恶性前列腺癌中显著性更高。与之相反,NLRP3在前列腺组织中的免疫染色是异质性的。炎性体复合物蛋白ASC(细胞凋亡相关的类颗粒状蛋白且包含一个CARD)和前细胞凋亡蛋白酶-1,以及它的下游靶标IL-1β和EL-18被局限于侵入性前列腺癌细胞中。最后,研究人员指出,这些数据表明,NLRP12表达的增加与前列腺癌相关,并且支持了NLRP12炎性体复合物可调节炎症细胞因子,促进了炎症在前列腺癌中角色的理解。

原始出处:

Dev Karan, Ossama Tawfik, Seema Dubey et al. Expression analysis of inflammasome sensors and implication of NLRP12 inflammasome in prostate cancer. Sci Rep. 29 Jun 2017.

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    2017-07-03 yuandd
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    2017-07-02 131****1460

    学习了受益匪浅。

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    2017-07-02 189****7206

    学习了受益匪浅

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    2017-07-01 131****1460

    学习了受益匪浅

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    2017-07-01 有备才能无患

    研究人员指出,这些数据表明,NLRP12表达的增加与前列腺癌相关,并且支持了NLRP12炎性体复合物可调节炎症细胞因子,促进了炎症在前列腺癌中角色的理解。

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