Acute Oral Coumestrol Treatment Induces Sperm and Sex Steroid Alterations in Mice
Volume 2, Issue 4, July 2014, Pages: 36-40
Received: Sep. 8, 2014;
Accepted: Sep. 20, 2014;
Published: Sep. 30, 2014
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Hector Serrano, Dept. of Health Sciences, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
Guillermo Mora-Ramiro, Dept. of Health Sciences, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
Sheila Peña-Corona, Dept. of Health Sciences, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
Pablo León-Ortíz, Dept. of Health Sciences, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
Arturo Salame-Mendez, Depts. of Biology of Reproduction, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
Enrique Mendieta-Márques, Dept. of Health Sciences, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
José Luis Gómez-Olivares, Dept. of Health Sciences, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
María Dolores García-Suárez, Depts. of Biology, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
Plant phytoestrogens interfere with normal estrogen-regulated functions like steroid synthesis and gonad physiology and morphology. Much evidence has been obtained by using high dose treatments or in vitro exposure to phytoestrogens but little is known about low, dietary level concentrations of these compounds, particularly coumestrol. In order to explore the possible effects on gonads and serum progesterone of oral 10, 20 or 40 μg/Kg body weight dose coumestrol were administered to three experimental groups and compared to a vehicle-only control group (n=5 animals per group) for two weeks and a similar period for treatment recovery. After treatment, testes and blood were obtained and processed for testis and sperm morphology alterations, and steroid hormone evaluation, respectively. Coumestrol treatment induces a significant dose-dependent testis volume decrease and a decrease in 17β hydroxysteroid dehydrogenase activity causing a progesterone increase in response to phytoestrogen concentration. These alterations impair the normal sperm production with an increase in abnormal head and tail shapes. These data strongly suggest a deleterious effect of oral, low concentration phytoestrogen content in adult male diets.
José Luis Gómez-Olivares,
María Dolores García-Suárez,
Acute Oral Coumestrol Treatment Induces Sperm and Sex Steroid Alterations in Mice, Cell Biology.
Vol. 2, No. 4,
2014, pp. 36-40.
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