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Creatine phosphate in rat blood platelets

S Shibata

    Thrombosis and Haemostasis
    |June 30, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Creatine phosphate (CP) was detected in rat platelets using a novel assay. This finding suggests CP

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    Area of Science:

    • Biochemistry
    • Hematology
    • Cellular Metabolism

    Background:

    • Platelets are anucleated blood cells crucial for hemostasis.
    • Cellular energy metabolism in platelets is vital for their function.
    • The presence and role of creatine phosphate (CP) in platelets remain underexplored.

    Purpose of the Study:

    • To detect and quantify creatine phosphate (CP) in rat platelets.
    • To investigate the potential role of CP in platelet energy metabolism.

    Main Methods:

    • Developed a highly specific and sensitive assay to measure CP.
    • Utilized [14C]ATP and [14C]ADP with creatine kinase for CP detection.
    • Quantified CP levels in rat platelets using radioactivity measurements.

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    Main Results:

    • Creatine phosphate (CP) was successfully detected in rat platelets.
    • The mean CP content was determined to be 24.8 nmoles per 10(9) platelets.
    • A molar ratio of CP to ATP of 1:2.6 was observed.

    Conclusions:

    • Creatine phosphate (CP) is present in rat platelets.
    • The observed CP levels and CP:ATP ratio suggest a role for CP in platelet energy metabolism.
    • Further research is warranted to elucidate the precise function of CP in platelet bioenergetics.