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Structural evaluation of new human polyomaviruses provides clues to pathobiology

机译:新人类多瘤病毒的结构评估为病理生物学提供了线索

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In the past three years, remarkable discoveries have added three new human polyomaviruses (KI virus (KIV), WU virus (WUV) and Merkel cell virus (MCV)) to a class that previously had only two disease-causing members (BK virus (BKV) and JC virus (JCV)) identified. Two monkey polyomaviruses, simian virus (SV)40 and B-cell lymphotropic polyomavirus (LPV) are also present in humans. KIV and WUV lack the agnoprotein coding sequence and regulatory micro (mi)RNA clusters of BKV, JCV and SV40. MCV lacks the agnoprotein sequence but generates miRNAs. KIV, WUV and MCV are all widespread in humans. Although they have distinctive tissue tropisms, all these viruses are probably acquired in childhood. Of these viruses, only MCV has thus far been strongly linked to cancer. Marshalled evidence from diverse sources implicates MCV as an etiological agent of Merkel cell carcinoma. This review compares the structural features of the new and previously known polyomaviruses, with the aim of identifying approaches to molecular pathology.
机译:在过去的三年中,令人瞩目的发现增加了三类新的人类多瘤病毒(KI病毒(KIV),WU病毒(WUV)和默克尔细胞病毒(MCV)),而以前只有两个致病成员(BK病毒( BKV)和JC病毒(JCV))。人类中也存在两种猴多瘤病毒,猿猴病毒(SV)40和B细胞淋巴多瘤病毒(LPV)。 KIV和WUV缺乏BKV,JCV和SV40的agnoprotein编码序列和调控性micro(mi)RNA簇。 MCV缺乏agnoprotein序列,但生成miRNA。 KIV,WUV和MCV都在人类中广泛传播。尽管它们具有独特的组织嗜性,但所有这些病毒可能都是在儿童时期获得的。迄今为止,在这些病毒中,只有MCV与癌症密切相关。来自各种来源的经过整理的证据暗示MCV是默克尔细胞癌的病因。这篇综述比较了新的和以前已知的多瘤病毒的结构特征,目的是鉴定分子病理学方法。

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