, Volume 38, Issue 9, pp 1063–1064 | Cite as

Uterine fluid proteins bind sperm cholesterol during capacitation in the rabbit

  • B. K. Davis
Specialia Biologica


Cholesterol from rabbit sperm cells was bound by uterine fluid proteins following intrauterine insemination into ovulating does. Serum albumin has been identified as a uterine sterol acceptor. Progesterone administration suppressed binding and elevated the concentration of cholesterol, phospholipid, and protein. Uterine fluid cholesterol affinity, therefore, correlated with sperm capacitation activity in utero.


Cholesterol Albumin Serum Albumin Progesterone Sperm Cell 
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Copyright information

© Birkhäuser Verlag 1982

Authors and Affiliations

  • B. K. Davis
    • 1
  1. 1.State University of New YorkStony BrookUSA

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