Comparison of loop-mediated isothermal amplification (LAMP) and PCR for the diagnosis of infection with Trypanosoma brucei ssp. in equids in The Gambia.
Authors: Gummery Lauren, Jallow Saloum, Raftery Alexandra G, Bennet Euan, Rodgers Jean, Sutton David G M
Journal: PloS one
Summary
# Editorial Summary Trypanosomiasis caused by *Trypanosoma brucei* subspecies represents a significant threat to equine populations across sub-Saharan Africa, frequently progressing to fatal meningoencephalitis and creating substantial economic losses in affected regions. Gummery and colleagues compared the diagnostic accuracy of loop-mediated isothermal amplification (LAMP) against conventional PCR for detecting *T. brucei* infection in equids in The Gambia, evaluating both techniques' sensitivity, specificity, and practical suitability for field-based laboratory settings. LAMP demonstrated comparable diagnostic performance to PCR whilst offering substantial advantages for resource-limited environments: the assay requires minimal equipment, operates at constant temperature (eliminating the need for thermal cycling), and generates results more rapidly than conventional molecular methods. For equine practitioners and veterinarians working in endemic regions, LAMP's cost-effectiveness and simplified logistics make it a pragmatic alternative for confirming trypanosomiasis, enabling faster clinical decision-making and treatment initiation before irreversible neurological damage occurs. This advancement is particularly relevant for mobile veterinary services and field clinics where infrastructure constraints have previously limited access to reliable molecular diagnostics.
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Practical Takeaways
- •LAMP offers a practical diagnostic tool for detecting T. brucei in equids when PCR facilities are unavailable in field settings across sub-Saharan Africa
- •Early diagnosis using accessible molecular methods is critical since untreated T. brucei infection progresses to fatal meningoencephalitis
- •Consider LAMP-based testing protocols for equid populations in endemic regions to enable rapid clinical decision-making
Key Findings
- •LAMP is a cost-effective molecular diagnostic alternative to PCR for detecting T. brucei in equids
- •LAMP is suitable for field-based laboratory deployment in sub-Saharan Africa
- •T. brucei infection in equids causes progressive disease with fatal meningoencephalitis outcomes