朊病毒感染对细胞中三羧酸循环关键催化酶的影响研究Effects of Prion Infection on Levels of the Key Catalytic Enzymes in the Tricarboxylic-acid Cycle in Cells
陈冬冬;高利萍;刘楚眸;刘欣;肖康;石琦;董小平;
摘要(Abstract):
为了研究朊病毒感染对细胞氧化供能的主要途径—三羧酸循环关键催化酶的影响。使用ATP检测试剂盒检测朊病毒感染后细胞的ATP表达情况,采用蛋白免疫印迹方法检测朊病毒感染细胞中三羧酸循环关键催化酶的表达情况;使用细胞免疫荧光对催化酶进行细胞定位;应用线粒体分离试剂盒分离线粒体,检测线粒体中催化酶的表达情况。结果显示朊病毒感染后的细胞ATP表达水平明显降低,进一步检测三羧酸循环过程中三个主要的催化酶,发现这三个催化酶在朊病毒感染的细胞中表达量明显降低,免疫荧光实验显示催化酶与线粒体标志蛋白具有空间共定位现象,并发现在朊病毒感染细胞的线粒体中这三个催化酶的表达也显著降低。本研究发现朊病毒感染细胞中三羧酸循环催化酶的表达量明显降低,导致ATP产能下降,影响细胞代谢水平。
关键词(KeyWords): 朊病毒;三羧酸循环;催化酶;线粒体
基金项目(Foundation): 传染病预防控制国家重点实验室重点课题(项目号:2021SKLID101);题目:细胞因子IP-10、M-CSF在朊病毒感染中神经保护或伤作用的研究;; 国家重点研发计划(项目号:2020YFE0205700),题目:中国塞拉利昂“一带一路”联合实验室建设与重要传染病病原学研究~~
作者(Authors): 陈冬冬;高利萍;刘楚眸;刘欣;肖康;石琦;董小平;
DOI: 10.13242/j.cnki.bingduxuebao.004143
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