Contamination of clinical specimens with MLV-encoding nucleic acids: implications for XMRV and other candidate human retroviruses.

Contamination of clinical specimens with MLV-encoding nucleic acids: implications for XMRV and other candidate human retroviruses.
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用MLV编码的核酸污染临床标本:对XMRV和其他候选人逆转录病毒的影响。

DOI:
10.1186/1742-4690-7-112
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发表时间:
2010-12-20
期刊:
影响因子:
3.3
通讯作者:
Smith RA
Smith RA
中科院分区:
医学2区
文献类型:
--
作者:
Smith RA

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评估前列腺癌和慢性疲劳综合征患者中异嗜性小鼠白血病病毒相关病毒(XMRV)的患病率的努力在很大程度上依赖于基于PCR的临床样本检测,并产生了广泛不同的结果。本周的《逆转录病毒学》杂志上,四个独立研究小组的报告说明了在XMRV的PCR分析中排除DNA或RNA污染需要极其谨慎。此外,系统发育的证据表明,以前发表的XMRV序列起源于一个常用的前列腺癌细胞系(22Rv1)。这些发现提出了关于XMRV来源及其与人类疾病潜在联系的重要问题。
Efforts to assess the prevalence of xenotropic murine leukemia virus-related virus (XMRV) in patients with prostate cancer and chronic fatigue syndrome have relied heavily on PCR-based testing of clinical samples and have yielded widely divergent findings. This week in Retrovirology, reports from four independent research groups illustrate the extreme care needed to exclude DNA or RNA contamination in PCR analyses of XMRV. In addition, phylogenetic evidence suggesting that previously-published XMRV sequences originated from a commonly-used prostate carcinoma cell line (22Rv1) is presented. These findings raise important questions regarding the provenance of XMRV and its potential connection to human disease.
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