开发和验证一种多重 qPCR 检测方法,用于检测和相对定量 HPV16 和 HPV18 E6 和 E7 致癌基因。
Development and validation of a multiplex qPCR assay for detection and relative quantification of HPV16 and HPV18 E6 and E7 oncogenes.
机构信息
Aix-Marseille Université, IRD 198, Assistance-Publique des Hôpitaux de Marseille, UMR Microbes, Evolution, Phylogeny and Infections (MEPHI), Marseille, France.
IHU Méditerranée Infection, Marseille, France.
出版信息
Sci Rep. 2021 Feb 17;11(1):4039. doi: 10.1038/s41598-021-83489-2.
Human papillomaviruses (HPV) play a key role in promoting human anogenital cancers. Current high-risk HPV screening or diagnosis tests involve cytological or molecular techniques mostly based on qualitative HPV DNA detection. Here, we describe the development of a rapid quantitative polymerase chain reaction (qPCR) detection test of HPV16 and HPV18 oncogenes (E6 and E7) normalized on human gene encoding GAPDH. Optimized qPCR parameters were defined, and analytical specificities were validated. The limit of detection was 10 for all genes tested. Assay performances were evaluated on clinical samples (n = 96). Concordance between the Xpert HPV assay and the triplex assay developed here was 93.44% for HPV16 and 73.58% for HPV18. HPV co-infections were detected in 15 samples. The systems developed in the present study can be used in complement to traditional HPV tests for specifically validating the presence of HPV16 and/or HPV18. It can also be used for the follow-up of patients with confirmed infection and at risk of developing lesions, through the quantification of E6 and E7 oncogene expression (mRNA) normalized on the GAPDH expression levels.
人乳头瘤病毒(HPV)在促进人类肛门生殖器癌症中起着关键作用。目前的高危 HPV 筛查或诊断测试主要涉及细胞学或分子技术,这些技术大多基于 HPV DNA 的定性检测。在这里,我们描述了一种快速定量聚合酶链反应(qPCR)检测 HPV16 和 HPV18 致癌基因(E6 和 E7)的方法,该方法基于人类 GAPDH 基因编码的 HPV16 和 HPV18 基因进行归一化。优化了 qPCR 参数,并验证了分析特异性。所有测试基因的检测限均为 10。在临床样本(n=96)上评估了检测方法的性能。Xpert HPV 检测与本研究中开发的三重检测方法的一致性对于 HPV16 为 93.44%,对于 HPV18 为 73.58%。在 15 个样本中检测到 HPV 共感染。本研究中开发的系统可与传统 HPV 检测方法互补使用,专门验证 HPV16 和/或 HPV18 的存在。还可以通过对 GAPDH 表达水平进行归一化的 E6 和 E7 致癌基因(mRNA)表达进行定量,用于对已确认感染且有发展病变风险的患者进行随访。