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Rhesus monkey platelet kinetics and storage

L N Button, M S Jacobson, S V Kevy

    Transfusion
    |July 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Rhesus monkey platelets show similar yields, half-life, and survival rates as human platelets. Storage at room temperature preserves platelet yield better than refrigeration, establishing rhesus monkeys as a valuable preclinical model.

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    Area of Science:

    • Hematology
    • Transfusion Medicine
    • Primate Research

    Background:

    • Platelet transfusion efficacy and survival are critical in managing bleeding disorders.
    • Understanding platelet kinetics in non-human primates is essential for preclinical research.

    Purpose of the Study:

    • To evaluate rhesus monkey platelets as a model for human platelet studies.
    • To assess the impact of storage conditions and repeated transfusions on platelet survival in rhesus monkeys.

    Main Methods:

    • Separation and 51Cr labeling of rhesus monkey platelets.
    • Transfusion of labeled platelets into recipient rhesus monkeys.
    • Monitoring of platelet yield, half-life (1/2 time), and survival rates.
    • Comparison of storage conditions (room temperature vs. 4°C) and effects of repeated homologous transfusions.

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    Main Results:

    • Rhesus monkey platelet yields, half-life, and survival are comparable to human data.
    • Platelet yield was significantly higher (93%) after 3 days of room temperature storage compared to 4°C storage (54%).
    • Repeated homologous transfusions led to a significant decrease in platelet half-life and survival, indicating immune response.

    Conclusions:

    • Rhesus monkeys serve as an excellent preclinical model for platelet research, mirroring human thrombocyte responses.
    • Room temperature storage is superior for maintaining rhesus platelet yield compared to refrigeration.
    • Alloimmunization occurs after repeated transfusions, affecting platelet kinetics in rhesus monkeys.