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Use of Multiplex Polymerase Chain Reaction for Detection of High-Risk Human Papillomavirus Genotypes in Women Attending Routine Cervical Cancer Screening in Harare.

Abstract：

BACKGROUND/AIMS:In Zimbabwe, cervical cancer is screened through cytology and visual inspection with acetic acid and cervicography (VIAC). The effectiveness of these methods can be increased if complemented by a human papillomavirus DNA detection tool since most cervical cancer cases are caused by persistent infection with high-risk human papillomavirus (HR-HPV) genotypes. Moreover, the possibility of multiple-genotype HR-HPV infections warrants the need for HPV detection tools with the capacity to detect both single and multiple infections. The aim of this study was to detect HR-HPV genotypes (HPV 16, 18, 31, 33, 35, 45, 51, 52, 56, and 58), using multiplex polymerase chain reaction (PCR), in stored cervicovaginal swabs from both HIV-positive and HIV-negative women reporting for routine cervical cancer screening. METHODOLOGY:Stored cervicovaginal swabs from sexually active women who underwent VIAC at the Parirenyatwa Referral Hospital in Harare, Zimbabwe, between February and April 2015 and had received HIV counselling and testing were genotyped for the selected 10 HR-HPV genotypes using in-house multiplex PCR. The results from the multiplex PCR were compared to those previously obtained when the same samples were HPV genotyped with next-generation sequencing (NGS) on an MiSeq platform (Illumina; USA). RESULTS:A total of 136 women were recruited and all 10 HR-HPV genotypes were detected. Quality control failed in 3 of the 136 swabs during the multiplex PCR reactions. The prevalence of HR-HPV genotypes in the study subjects was 53% (70/133). HIV-infected women were 1.67 times more likely to be infected with HR-HPV than were HIV-negative women (OR 1.67; p = 0.17). Of the 70 HR-HPV-positive cases, 37% (26/70) had multiple HR-HPV infections, and the majority of them were HIV infected. HIV-infected women were 1.86 times more likely to have multiple HR-HPV infections than HIV-negative women (OR 1.86; p = 0.20). Multiplex PCR and NGS had an almost perfect concordance rate in -HR-HPV detection (κ = 0.960), with only 3 discordant cases (negative with NGS and positive for HPV16 with multiplex PCR). CONCLUSION:Multiplex PCR can detect HR-HPV genotypes that are common in Zimbabwe and could be used to detect HR-HPV genotypes from women attending cervical cancer screening programs at the Parirenyatwa VIAC clinic in Harare.

journal_name

Intervirology

journal_title

Intervirology

authors

Marembo T,Dube Mandishora R,Borok M

doi

10.1159/000502206

subject

Has Abstract

pub_date

2019-01-01 00:00:00

pages

90-95

issue

eissn

0300-5526

issn

1423-0100

pii

000502206

journal_volume

pub_type

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Use of Multiplex Polymerase Chain Reaction for Detection of High-Risk Human Papillomavirus Genotypes in Women Attending Routine Cervical Cancer Screening in Harare.