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Effects of Parental Dietary Exposure to GM Rice TT51 on the Male Reproductive System of Rat Offspring / 生物医学与环境科学(英文)
Biomedical and Environmental Sciences ; (12): 267-274, 2016.
Article in English | WPRIM | ID: wpr-258824
ABSTRACT
<p><b>OBJECTIVE</b>To evaluate the health effects of parental dietary exposure to GM rice TT51 on the male reproductive system of rat off spring.</p><p><b>METHODS</b>Rice-based diets, containing 60% ordinary grocery rice, MingHui63, or TT51 by weight, were given to parental rats (15 males/30 females each group) for 70 days prior mating and throughout pregnancy and lactation. After weaning, eight male offspring rats were randomly selected at each group and fed with diets correspondent to their parents' for 70 days. The effects of exposure to TT51 on male reproductive system of offspring rats were assessed through sperm parameters, testicular function enzyme activities, serum hormones (FSH, LH, and testosterone levels), testis histopathological examination, and the relative expression levels of selected genes along the hypothalamic-pituitary- testicular (HPT) axis.</p><p><b>RESULTS</b>No significant differences were observed in body weight, food intake, organ/body weights, serum hormone, sperm parameters, testis function enzyme ACP, LDH, and SDH activities, testis histopathological changes, and relative mRNA expression levels of GnRH-R, FSH-R, LH-R, and AR along the HPT axis.</p><p><b>CONCLUSION</b>The results of this study demonstrate that parental dietary exposure to TT51 reveals no significant differences on the reproductive system of male offspring rats compared with MingHui63 and control.</p>
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Physiology / Oryza / Random Allocation / Chemistry / Plants, Genetically Modified / Rats, Wistar / Diet / Genitalia, Male Limits: Animals Language: English Journal: Biomedical and Environmental Sciences Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Physiology / Oryza / Random Allocation / Chemistry / Plants, Genetically Modified / Rats, Wistar / Diet / Genitalia, Male Limits: Animals Language: English Journal: Biomedical and Environmental Sciences Year: 2016 Type: Article