Rapid and sensitive detection of Theileria equi using a novel integrated RPACRISPR/Cas13a lateral flow assay.
Authors: Alsultan Amjed, Karim Salah Mahdi, Al-Saadi Mohammed, Alsallami Dhama, Ben Said Mourad, Belkahia Hanène
Journal: Journal of equine veterinary science
Summary
# Editorial Summary: Rapid Detection of Theileria equi Using RPACRISPR/Cas13a Technology Equine piroplasmosis remains a significant global concern for horse health and industry economics, yet current diagnostic approaches—PCR, serological testing, and blood smears—require laboratory infrastructure, trained personnel, and extended turnaround times that limit their practical utility in field settings. Researchers have developed a novel integrated RPA-CRISPR/Cas13a lateral flow assay capable of detecting *Theileria equi* with both speed and sensitivity, combining recombinase polymerase amplification with CRISPR-based target recognition into a single platform that produces results in a format comparable to routine lateral flow testing. This integrated approach delivers the diagnostic accuracy of molecular methods whilst eliminating dependence on specialised equipment, complex protocols, and extensive technical expertise—a substantial advancement for practitioners requiring rapid point-of-care diagnostics. The practical implications are considerable: farriers, field veterinarians, and competition yard staff could potentially utilise this assay for on-site screening, enabling swifter clinical decision-making and biosecurity management without requiring samples to be sent to centralised laboratories. Adoption of such technology could meaningfully improve disease surveillance, reduce diagnostic delays, and ultimately strengthen individual horse welfare and herd health management across diverse equestrian settings.
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Practical Takeaways
- •This novel lateral flow assay could enable rapid point-of-care diagnosis of equine piroplasmosis without requiring specialized laboratory equipment, improving early detection on farms and in field settings
- •The simplified testing protocol may reduce diagnostic delays and support faster treatment initiation, potentially improving outcomes in Theileria equi-infected horses
- •Field-deployable diagnostics of this type could improve disease surveillance and control in equine populations, particularly in resource-limited settings
Key Findings
- •A novel integrated RPA-CRISPR/Cas13a lateral flow assay was developed for rapid detection of Theileria equi
- •The assay overcomes limitations of existing diagnostic methods (PCR, serology, microscopy) that require specialized equipment and skilled personnel
- •The diagnostic platform demonstrates sensitivity and specificity improvements over conventional detection methods