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Related Experiment Videos

Studies on trypanosomes in the Taiwan monkey.

J H Cross, M Y Hsu, C K Hung

    The Southeast Asian Journal of Tropical Medicine and Public Health
    |December 1, 1983
    PubMed
    Summary

    A Trypanosome species infected 9% of Taiwan monkeys (Macaca cyclopis). Cultured parasites infected monkeys and rodents, while natural bug infections occurred in Taiwan Triatoma rubrofasciata.

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    Area of Science:

    • Parasitology
    • Veterinary Medicine
    • Infectious Diseases

    Background:

    • Trypanosome infections in non-human primates can serve as reservoirs for disease transmission.
    • Understanding host-parasite interactions is crucial for disease control.

    Purpose of the Study:

    • To identify and characterize Trypanosome species in Taiwan monkeys (Macaca cyclopis).
    • To investigate the infectivity and transmission dynamics of the identified Trypanosome species.

    Main Methods:

    • Parasite isolation from monkey blood using diaphasic blood-agar culture.
    • Morphological characterization of trypanosomes.
    • Infection experiments in various animal models (monkeys, mice, rats) and insect vectors (Triatoma species, Rhodnius prolixus).
    • Serial passage studies in monkeys and bugs.

    Main Results:

    • A Trypanosome species was identified in 9% of surveyed Taiwan monkeys.
    • Cultured trypanosomes infected monkeys, mice, and rats (especially when treated with cortisone).
    • Natural Trypanosome conorhini infections were found in Taiwan Triatoma rubrofasciata, with some bugs showing salivary gland involvement. Laboratory animals developed infections.
    • Serial passage did not alter the parasite's development pattern.

    Conclusions:

    • Taiwan monkeys can be infected by a Trypanosome species, with cultured parasites showing broader infectivity.
    • Taiwan Triatoma rubrofasciata is a natural host for Trypanosome conorhini, with potential for transmission.
    • Further research is needed to understand the public health implications of this zoonotic potential.

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