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Mechanism of Capacitation of Rabbit Spermatozoa

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Abstract

RABBIT spermatozoa must be exposed to the environment of the female tract for several hours before acquiring the capacity to fertilize ova1,2. This phenomenon was termed capacitation1, and appears to be a general requirement for fertilization in several species3,4. Chang4 later discovered that spermatozoa capacitated in utero could be decapacitated by brief incubation in seminal plasma. Decapacitation appeared to be due to a definite substance in seminal plasma5.

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References

  1. Austin, C. R., Austral. J. Sci. Res., 4, 581 (1951).

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  2. Chang, M. C., Nature, 168, 697 (1951).

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  3. Chang, M. C., Recent Progress in the Endocrinology of Reproduction, edit. by Lloyd, C. W., 170 (Academic Press, London, 1959).

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  4. Chang, M. C., Nature, 179, 258 (1957).

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  5. Bedford, J. M., and Chang, M. C., Amer. J. Physiol., 202, 179 (1962).

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Authors and Affiliations

  1. Division of Biochemistry, Department of Chemistry, University of Georgia, Athens, Georgia

    D. E. WEINMAN & WILLIAM L. WILLIAMS

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  1. D. E. WEINMAN
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  2. WILLIAM L. WILLIAMS
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WEINMAN, D., WILLIAMS, W. Mechanism of Capacitation of Rabbit Spermatozoa. Nature 203, 423–424 (1964). https://doi.org/10.1038/203423a0

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