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Updated: May 23, 2026
06:25
Analysis of Simian Immunodeficiency Virus-specific CD8+ T-cells in Rhesus Macaques by Peptide-MHC-I Tetramer Staining
Published on: December 23, 2016
Simian retroviruses in African apes
1UMI 233, TransVIHMI, Institut de Recherche pour le Développement, Montpellier, France. martine.peeters@ird.fr
Summary
Simian immunodeficiency viruses (SIVs) in apes are the origin of HIV-1/AIDS. Non-invasive methods reveal SIV reservoirs in apes, crucial for understanding HIV origins and preventing future zoonotic transmissions.
Area of Science:
- Primate Virology
- Zoonotic Diseases
- Evolutionary Medicine
Background:
- Simian immunodeficiency viruses (SIVs), simian T-cell lymphotropic viruses (STLVs), and simian foamy viruses (SFVs) infect apes.
- SIVs from chimpanzees (SIVcpz) and gorillas (SIVgor) are established origins of HIV-1/AIDS.
- Apes serve as reservoirs for various retroviruses with zoonotic potential.
Purpose of the Study:
- To review current knowledge on SIV, STLV, and SFV infections in chimpanzees, gorillas, and bonobos.
- To highlight the role of non-invasive methods in identifying HIV-1 ancestral reservoirs.
- To discuss the implications of ape retroviral infections for human health and conservation.
Main Methods:
- Review of existing literature on ape retroviral infections.
- Emphasis on non-invasive sampling techniques (e.g., fecal, hair, saliva).
- Analysis of cross-species transmission events and epidemiological data.
Main Results:
- Non-invasive methods have identified SIV reservoirs in chimpanzees and gorillas, enhancing understanding of SIV natural history.
- A single SIVcpz transmission event from southeastern Cameroon chimpanzees led to the global HIV pandemic.
- Frequent simian foamy virus (SFV) transmissions occur, but human-to-human transmission is not documented.
Conclusions:
- Understanding ape retroviral reservoirs is critical for predicting and detecting zoonotic risks.
- Continued contact between humans and apes necessitates ongoing surveillance for novel pathogens.
- Non-invasive sampling aids in assessing the impact of retroviruses on endangered ape populations and informs conservation efforts.
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