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Exposure to genistein does not adversely affect the reproductive system in adult male mice adapted to a soy-based commercial diet
Journal of Veterinary Science ; : 227-234, 2004.
Artículo en Inglés | WPRIM | ID: wpr-161383
ABSTRACT
Genistein, a soybean-originated isoflavone, is widely consumed by humans for putative beneficial health effects but its estrogenic activity may affect adversely the development of male reproductive system. Five-week-old ICR mice were purchased and fed with a soybean-based Purina Chow diet until 6 months of age. The animals were exposed by gavage to genistein (2.5 mg/kg/day) or 17beta-estradiol (7.5 microgram/kg/day) for five weeks. Corn oil was used for the negative control. The animals were fed the caseinbased AIN-76A diet throughout the experimental periods. There were no significant differences in body and organ weights of mice among experimental groups. No significant differences in sperm counts and sperm motile characteristics were found between the control and the genistein groups. Treatment of 17beta-estradiol caused a significant decrease in epididymal sperm counts compared to the control (p<0.05). The level of phospholipid hydroxide glutathione peroxidase in the epididymis of mice exposed to genistein was significantly higher than that of the control mice (p<0.05). 17beta-estradiol treatment caused a reduction of germ cells in the testis and hyperplasia of mucosal fold region in the prostate of mice. Genistein treatment did not cause any lesion in the testis, epididymis, and prostate. These results suggest that dietary uptake of genistein at adult stage of life may not affect male reproductive system and functions.
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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Tamaño de los Órganos / Próstata / Glycine max / Recuento de Espermatozoides / Motilidad Espermática / ARN / Genisteína / Reacción en Cadena de la Polimerasa de Transcriptasa Inversa / Estradiol / Estrógenos no Esteroides Límite: Animales Idioma: Inglés Revista: Journal of Veterinary Science Año: 2004 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Tamaño de los Órganos / Próstata / Glycine max / Recuento de Espermatozoides / Motilidad Espermática / ARN / Genisteína / Reacción en Cadena de la Polimerasa de Transcriptasa Inversa / Estradiol / Estrógenos no Esteroides Límite: Animales Idioma: Inglés Revista: Journal of Veterinary Science Año: 2004 Tipo del documento: Artículo