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首页> 外文期刊>The Open Infectious Diseases Journal >Gene Expression Profile of THP-1 Cells Infected by R. prowazekii Suggests Host Response Signature Genes
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Gene Expression Profile of THP-1 Cells Infected by R. prowazekii Suggests Host Response Signature Genes

机译:R. prowazekii感染THP-1细胞的基因表达谱表明宿主反应签名基因

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Rickettsia prowazekii, a selective agent of category B, is the causative microorganism of epidemic typhus. Thegenome-wide profile of host response to R. prowazekii infection was studied in THP-1 cells by a human cDNA microarray.Approximately 131 (1.71%) and 11 (0.14%) genes out of 7,680 genes assessed were up-regulated or down-regulatedupon infection with virulent R. prowazekii strain Breinl. These genes induced by R. prowazekii were diverse in function.Six genes [ENG (endoglin or CD105, cell surface glycoprotein), GADD45A, TNFAIP3, IGFBP3, POU3F4 (transcription),ELK3] were identified as commonly induced genes as their over expressions were observed throughout the entiretime course studied. There were twenty-two genes [such as GADD45A, POU3F4, ENG, PPP1R14B (an enzyme), ELK3,CXCL1, IL1B, NFKB1A, etc.] that exhibited the high level of induction at more than one time point. Collectively, thesediscoveries may provide novel insights into mechanisms of rickettsial pathogenesis and might reveal potential therapeutictargets against rickettsial infection.
机译:丙型肝炎立克次氏菌是流行性斑疹伤寒的病原微生物。通过人类cDNA微阵列研究了THP-1细胞中宿主对R. prowazekii感染的应答的全基因组概况。在评估的7,680个基因中,约有131个(1.71%)和11个(0.14%)基因被上调或下调用强毒罗氏疟原虫菌株Breinl调节dupon感染。普罗氏疟原虫诱导的这些基因在功能上是多样的。六个基因[ENG(endoglin或CD105,细胞表面糖蛋白),GADD45A,TNFAIP3,IGFBP3,POU3F4(转录),ELK3]被鉴定为常见的基因,因为它们的过表达在整个学习过程中观察到的。在不止一个时间点上具有高诱导水平的22个基因[如GADD45A,POU3F4,ENG,PPP1R14B(一种酶),ELK3,CXCL1,IL1B,NFKB1A等]。总的来说,这些发现可以提供关于立克次氏病发病机理的新颖见解,并且可以揭示针对立克次氏菌感染的潜在治疗靶标。

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