ArticleAnalytical and bioanalytical chemistry2025
A novel method for semi-quantitative detection of HPV16 and HPV18 mRNA with a low-cost, open-source fluorimeter.
Article in Analytical and bioanalytical chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Mock Samples That Mimic Human Cervicovaginal Samples to Accelerate the Development and Evaluation of Assays for High-Risk HPV for Cervical Cancer Screening.Journal of medical virology · 2026Article
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Authors and funding
13 authors.
Funding
Abstract
Despite global calls to eliminate cervical cancer, rates of cervical cancer incidence and mortality remain high in resource-limited settings, where it is challenging to implement and sustain screening, diagnosis, and treatment programs. The presence of high-risk HPV mRNA in cervical cells is a sensitive and specific biomarker of cervical precancer. Yet, current testing methods are too costly and complex for use in resource-limited settings. Here, we present a novel method for semi-quantitative detection of HPV16 and HPV18 mRNA with minimal infrastructure requirements. The assay relies on isothermal reverse transcription recombinase polymerase amplification (RT-RPA) with real-time fluorescence readout, demonstrated on rugged, portable, and affordable instruments. We demonstrate adapting the assay from DNA detection to RNA detection, characterizing the test with samples of increasing biological complexity, and ultimately establishing a limit of detection of 1000 HPV16 or HPV18 transcripts per reaction with RNA extracted from cell lines. HPV16 and HPV18 mRNA assays were used to test total RNA from 11 patient samples; results for 10 samples (91%) agreed with the gold standard of RT-qPCR. To reduce cost, the assay was demonstrated with multiplexed detection of HPV16 and HPV18 DNA, validated with a reaction volume that was reduced from 50 to 5 µL with DNA and RNA, and performed using a low-cost, portable reader with DNA and RNA. With incorporation of point-of-care-friendly sample preparation and detection of additional genotypes, this test has the potential to expand global access to HPV testing.
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Registered trials
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