ArticleApplied microbiology and biotechnology2023
A Cas12a-based fluorescent microfluidic system for rapid on-site human papillomavirus diagnostics.
Article in Applied microbiology and biotechnology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- Microfluidic and Paper-Based Recombinase Polymerase Amplification Systems for Decentralized Diagnostics and Biosurveillance.Micromachines · 2026Review
- Development of a rapid on-site detection method for largemouth bass virus based on RPA-CRISPR/Cas12a system.Frontiers in microbiology · 2025Article
- Article
- CoHIT: a one-pot ultrasensitive ERA-CRISPR system for detecting multiple same-site indels.Nature communications · 2024Article
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Authors and funding
11 authors at 5 institutions in 1 country.
Funding
Abstract
Persistent infection with human papillomavirus (HPV) is the leading cause of cervical cancer, and early diagnosis is crucial for clinical management. However, the easy and rapid on-site diagnostic for HPV genotyping remains challenging. Here, we develop a Cas12a-based fluorescent microfluidic detection system for diagnosing six HPV subtypes (HPV6, HPV11, HPV16, HPV18, HPV31, and HPV33). A panel of crRNAs and recombinase polymerase amplification (RPA) primers targeting the HPV L1 gene was screened for sensitive and specific detection. Furthermore, a one-pot RPA reaction was developed to amplify the six HPV subtypes without cross-reactivity. For on-site detection, we integrated the RPA-Cas12a detection into a microfluidic device, enabling the detection of processed clinical samples within 35 minutes. The assay was validated using 112 clinical swab samples and obtained consistent results with the qPCR assay, with a concordance rate of 99.1%. Overall, our diagnostic method offers a rapid, sensitive, and easy-to-use on-site assay for detecting HPV genotypes and holds promise for improving cervical cancer screening and prevention. KEY POINTS: • The Cas12a-based fluorescent microfluidic detection system for the diagnosis of six HPV subtypes. • A one-pot RPA reaction for amplifying the six HPV subtypes without cross-reactivity. • The RPA-Cas12a-microfluidic system provides results within 35 minutes for on-site detection.
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Registered trials
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