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Triacylglycerol lipase in developing rat sciatic nerve.

J K Yao

    Journal of Neurochemistry
    |February 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Triacylglycerol lipase activity in rat sciatic nerves shows a significant decline in early life. This developmental change in lipase activity may explain the slower metabolic turnover of lipids in adult rats.

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    Area of Science:

    • Biochemistry
    • Neuroscience
    • Lipid Metabolism

    Background:

    • Triacylglycerol is a major lipid component in nerve tissue.
    • Understanding its metabolic turnover is crucial for nerve health.

    Purpose of the Study:

    • To investigate triacylglycerol lipase activity in rat sciatic endoneurium.
    • To characterize the developmental changes in this enzymatic activity.

    Main Methods:

    • Enzymatic assays were performed on cell-free homogenates of rat sciatic endoneurium.
    • Lipase activity was measured across different ages of rats.

    Main Results:

    • Triacylglycerol lipase activity was detected with a pH optimum of 7.5.
    • 1,2-Diacylglycerol was identified as the primary hydrolysis product.

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  • A rapid decrease in lipase activity was observed in rats up to 2 months of age, followed by a slower decline.

    • Conclusions:

    • Developmental changes in triacylglycerol lipase activity occur in the rat sciatic nerve.
    • These changes likely contribute to the slower metabolic turnover of endoneurial triacylglycerol in adult rats.