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The presence of progressive motility sustaining factor (PMSF) in human epididymis

A R Sheth, A N Gunjikar, G V Shah

    Andrologia
    |March 1, 1981
    PubMed

    Insights

    Progressive Motility Sustaining Factor (PMSF) isolated from human epididymides significantly improves sperm motility in infertile men. This factor may enhance sperm function by increasing cyclic AMP levels.

    Area of Science:

    • Reproductive Biology
    • Sperm Physiology
    • Biochemistry

    Background:

    • Male infertility affects a significant portion of the population.
    • Oligozoospermia and asthenozoospermia are common causes of reduced male fertility.
    • Understanding factors that influence sperm motility is crucial for developing fertility treatments.

    Purpose of the Study:

    • To isolate and characterize a factor from human epididymides that enhances sperm progressive motility.
    • To investigate the potential mechanism of action of this isolated factor.

    Main Methods:

    • Isolation of Progressive Motility Sustaining Factor (PMSF) from human epididymides.
    • In vitro testing of PMSF's effect on sperm progressive motility in oligozoospermic and asthenozoospermic semen samples.
    • Measurement of cyclic AMP (cAMP) accumulation in human spermatozoa treated with PMSF.

    Main Results:

    • PMSF was successfully isolated from human epididymides.
    • PMSF significantly improved the progressive motility of spermatozoa in semen samples from men with oligozoospermia and asthenozoospermia.
    • PMSF treatment led to increased cyclic AMP accumulation in human spermatozoa.

    Conclusions:

    • Progressive Motility Sustaining Factor (PMSF) is a novel substance with the potential to treat certain types of male infertility.
    • PMSF's ability to enhance sperm motility may be mediated through the increase of intracellular cyclic AMP levels.

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