Biol Reprod Keystone Symposia Conference on Frontiers in Reproductive Biology & Regulation of Fertility.
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Biology of Reproduction, Vol 15, 248-253, Copyright © 1976 by Society for the Study of Reproduction

Cholinergic Effects on Bull and Chimpanzee Sperm Motility

ANGELE V. McGRADY 1, and LEONARD NELSON 1

1 Department of Physiology, Medical College of Ohio at Toledo, Toledo, Ohio 43614


Cinematographic analysis was employed to study the response of ejaculated spermatozoa of bull and chimpanzee to two substrates and three inactivators of the cholinesterase enzymes. The cholinergic effect on motility was identified as a beat frequency variation and in the case of physostigmine a defect of coordination of wave pattern. This report substantiates the role of the acetylcholine-acetylcholinesterase system in control of spermatozoan motility.

Note:
ACKNOWLEDGMENTS Bull semen generously supplied by Select Sires, Dr. Howard Kelgrin. Chimpanzee semen (Pan troglodytes) provided courtesy of Dr. Charles Hardin, Toledo Zoological Park, Toledo, Ohio. This work was supported by USPHS Research Grant HD-03266 from the National Institute of Child Health and Human Development. We thank Omar Salem and Fernando Crotte for technical assistance.

Submitted on September 29, 1975
Accepted on May 3, 1976




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C. Bray, J.-H. Son, P. Kumar, and S. Meizel
Mice Deficient in CHRNA7, a Subunit of the Nicotinic Acetylcholine Receptor, Produce Sperm with Impaired Motility
Biol Reprod, October 1, 2005; 73(4): 807 - 814.
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Copyright © 1976 by the Society for the Study of Reproduction.