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Related Experiment Videos

A microcomputer-based image analyzer for quantitating neurite outgrowth.

T S Ford-Holevinski, T A Dahlberg, B W Agranoff

    Brain Research
    |March 19, 1986
    PubMed
    Summary
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    An automated system quantifies goldfish retinal neurite outgrowth rapidly. This device uses a video microscope and computer, correlating well with manual measurements for reliable neurogenesis assessment.

    Area of Science:

    • Neuroscience
    • Biotechnology
    • Cell Biology

    Background:

    • Neurite outgrowth is a critical process in neural development and regeneration.
    • Quantifying neurite outgrowth is essential for studying neuronal growth factors and drug effects.
    • Manual assessment of neurite outgrowth can be time-consuming and subjective.

    Purpose of the Study:

    • To describe an automated device for recognizing and quantifying neurite outgrowth.
    • To evaluate the speed and accuracy of the automated system.
    • To compare automated measurements with a subjective assessment method.

    Main Methods:

    • An automated system was developed using a video camera-inverted microscope and an Apple II microcomputer with a Motorola 68000 coprocessor.
    • The system analyzes microscopic fields to recognize and quantitate neurite outgrowth from goldfish retinal explants.

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  • No user input is required beyond defining the microscopic field.

    • Main Results:

    • The automated device generated neurite outgrowth values within 30 seconds.
    • The system required minimal user interaction.
    • The automated quantitation correlated well with the subjective nerve growth index.

    Conclusions:

    • An efficient automated system for quantifying neurite outgrowth has been developed.
    • The device offers rapid and objective measurements, reducing subjectivity and time.
    • This technology can be valuable for neurobiology research, drug screening, and regenerative medicine studies.