Using Detergent to Improve Detection of African Trypanosomes
Author Information
Author(s): Grab Dennis J., Nikolskaia Olga V., Inoue Noboru, Thekisoe Oriel M. M., Morrison Liam J., Gibson Wendy, Dumler J. Stephen
Primary Institution: The Johns Hopkins University School of Medicine
Hypothesis
Adding detergent to samples prior to LAMP assay can enhance the detection sensitivity of African trypanosomes.
Conclusion
The addition of detergent significantly improves the detection sensitivity of live African trypanosomes in biological fluids using LAMP.
Supporting Evidence
- Detergent improved LAMP detection limits from 103 to 10 parasites/mL.
- LAMP can detect as low as 0.1 fg of genomic DNA.
- Detergent treatment allows for better release of parasite DNA from cells.
Takeaway
By adding soap to samples, scientists can find tiny amounts of a parasite that causes sleeping sickness much more easily.
Methodology
The study tested LAMP assays on diluted samples of Trypanosoma brucei rhodesiense in human CSF and blood, with and without detergent.
Limitations
The assay's sensitivity may lead to contamination risks, and further validation is needed before clinical application.
Digital Object Identifier (DOI)
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