Detecting Mycobacterium intracellulare in Baboons
Author Information
Author(s): Chege Gerald K, Warren Robin M, van Pittius Nico C, Burgers Wendy A, Wilkinson Robert J, Shephard Enid G, Williamson Anna-Lise
Primary Institution: University of Cape Town
Hypothesis
Can ESAT-6 and CFP-10 tests effectively detect mycobacterial infections in wild-caught baboons after a tuberculosis outbreak?
Conclusion
The IFN-γ ELISPOT assay could improve the detection of M tuberculosis infections in nonhuman primates, although there are concerns about specificity.
Supporting Evidence
- The IFN-γ ELISPOT assay detected M. tuberculosis and M. intracellulare infections.
- The traditional TST failed to detect some infections that the new assay identified.
- Cross-reactivity between M. tuberculosis and M. intracellulare was observed.
Takeaway
Scientists tested a new method to find out if baboons were sick with certain germs, and it worked better than the old method.
Methodology
Baboons were tested using the IFN-γ ELISPOT assay and compared with traditional tuberculin skin tests.
Limitations
The study had a small sample size and assumed exposure in contact baboons.
Participant Demographics
Ninety wild-caught Chacma baboons, with varying exposure to BCG vaccination.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website