Key result
The RT-LAMP-based CRISPR-Cas12a assay demonstrated 100% positive and negative predictive agreement compared to SYBR Green qPCR for detecting duck Tembusu virus in clinical samples, with a limit of detection of 3 copies/μL.
Why the study?
Existing DTMUV detection methods require complex steps and special equipment and easily cause false-positive results, necessitating a simple, sensitive, and specific field detection method.
Population
32 cloacal swabs and 22 tissue samples
Comparison
RT-LAMP-based CRISPR-Cas12a assay vs SYBR Green qPCR
Design
Diagnostic validation study
Authors
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RT-LAMP-CRISPR assay supports field DTMUV detection without specialized equipment; leaves open routine adoption pending broader clinical validation.
Absolute Event Rate: 100% vs 100%
The developed RT-LAMP-based CRISPR-Cas12a assay provides a highly sensitive and specific method for the rapid clinical field detection of duck Tembusu virus.
Ding et al. (2023) studied Duck Tembusu virus (DTMUV) infection (n=54). RT-LAMP-based CRISPR-Cas12a assay vs. SYBR Green qPCR was evaluated on Positive predictive agreement (PPA) and negative predictive agreement (NPA). The RT-LAMP-based CRISPR-Cas12a assay demonstrated 100% positive and negative predictive agreement compared to SYBR Green qPCR for detecting duck Tembusu virus in clinical samples, with a limit of detection of 3 copies/μL.
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