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Related Experiment Videos

Nerve growth factor from cobra venom.

R H Angeletti

    Proceedings of the National Academy of Sciences of the United States of America
    |March 1, 1970
    PubMed
    Summary
    This summary is machine-generated.

    Researchers isolated nerve growth factor from cobra venom, finding its properties similar to mouse nerve growth factor. This suggests a shared physiological function for this unique protein across species.

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    Area of Science:

    • Biochemistry
    • Neuroscience
    • Toxicology

    Background:

    • Nerve growth factor (NGF) is crucial for neuronal development and survival.
    • Snake venoms contain a complex mixture of proteins, including enzymes and toxins.
    • The presence and function of NGF in snake venom are not well-characterized.

    Purpose of the Study:

    • To isolate and characterize nerve growth factor (NGF) from Naja naja venom.
    • To compare the properties of Naja naja NGF with known NGFs from other sources.
    • To investigate the potential physiological role of NGF in cobra venom.

    Main Methods:

    • Purification of NGF from Naja naja venom.
    • Biochemical assays to determine enzymatic and toxicological properties.
    • Comparative analysis of purified NGF with mouse submaxillary gland NGF.

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    Main Results:

    • A distinct nerve growth promoting activity was identified in Naja naja venom.
    • This activity was separate from known venom enzymes and toxins.
    • The purified NGF from Naja naja venom exhibited properties highly similar to mouse submaxillary gland NGF.

    Conclusions:

    • Naja naja venom contains a functional nerve growth factor.
    • The structural and functional similarities suggest a conserved physiological role for NGF.
    • Further research is needed to elucidate the specific function of NGF in cobra physiology and venom.