ArticleInfectious medicine2025
Rapid and sensitive detection of human adenovirus types 3 and 7 using CRISPR-Cas12b coupled with multiple cross displacement amplification.
Article in Infectious medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A CRISPR/Cas12a-based reverse transcription multiple cross displacement amplification technique for sensitive, rapid, and highly specific detection ofFrontiers in microbiology · 2026Article
- Genomic Characterization of Human Adenovirus Type 21 Strains - 7 PLADs, China, 2023-2024.China CDC weekly · 2025Article
- CRISPR-Cas-Based Diagnostics in Biomedicine: Principles, Applications, and Future Trajectories.Biosensors · 2025Review
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Authors and funding
7 authors.
Funding
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Abstract
Background: Human adenovirus type 3 (HAdV-3) and 7 (HAdV-7) are significant causative agents of acute respiratory tract infections that are prevalent among school-based outbreaks across China. Rapid and accurate diagnosis is crucial for effective control and treatment of HAdV infection. Methods: Here, we developed a novel diagnostic assay combining multiple cross displacement amplification (MCDA) with CRISPR-Cas12b technology, designated HAdV-MCDA-CRISPR, to rapidly detect HAdV-3 and HAdV-7. The assay targets a highly conserved region of the hexon gene, enabling broad detection of these serotypes. The protocol includes DNA extraction (15 minutes), MCDA amplification (40 minutes), and CRISPR detection (5 minutes), and is completed within one hour. Specificity was validated by testing against non-HAdV pathogens, while sensitivity was assessed using serial dilutions of hexon-containing plasmid DNA. Clinical performance was evaluated using 88 patient samples. Results: The HAdV-MCDA-CRISPR assay demonstrated high sensitivity, detecting as little as 5 fg HAdV plasmid DNA per reaction, and showed no cross-reactivity with other common respiratory pathogens. Clinical validation using 88 patient samples further demonstrated the diagnostic accuracy of HAdV-MCDA-CRISPR. Conclusions: HAdV-MCDA-CRISPR is a rapid, sensitive, and specific tool for diagnosing HAdV-3 and HAdV-7 infections, offering potential for timely clinical intervention and enhanced epidemiological surveillance.
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