The impact of male phytoestrogenization on the somato-sexual development and fertility of the offsprings in rats
Seliukova NIu, Karpenko NO, Korenieva IeM, Somova OV, Smolienko NP, Pocherniaieva SS, Brechka NM
SI « V Danilevsky Institute of Endocrine Pathology Problems of the NAMS of Ukraine», Kharkiv, Ukraine
DOI: https://doi.org/10.15407/fz60.02.082
Abstract
The effect of phytoestrogen-rich diet administered to male
rats in a dose 20 mg / kg of body weight for 30 days with the
mixture of phytoestrogens on reproductive function of male
offspring and the effect of additional phytoestrogenization
during milk feeding have been investigated. It was shown
that male phytoestrogenization leads to feminization of the offsprings.
Specifically, at birth, the ano-genital distance in males
was less than that measured in control rats: (2,7 ± 0,1) vs (3,1
± 0,0) mm (Р <0,05). This and additional phytoestrogenization
of newborn rats during milk feeding inhibit their somatic
and sexual development, weakening sexual activity in adults
and reducing fertility at the expense of dectreased fertilizing
capacity of sperm. A possible mechanism for the observed
effects may be a reduction of relative androgenization due to
increased of estradiol concentration by 3-4 times. Analysis
of the data revealed a significant impact of phytoestrogens
in father’s diet on reproductive function of their offsprings
under conditions of additional phytoestrogenization after birth
Keywords:
phytoestrogens, descedants, sexual behavior,spermatogenesis.
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