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Effect of prenatal exposure to hydroxyprogesterone on steroidogenic enzymes in male rats. 2003

T Pushpalatha, and P Ramachandra Reddy, and P Sreenivasula Reddy
Department of Biotechnology, Sri Venkateswara University, Tirupati-517 502, India.

Pregnant Wistar strain albino rats were administered hydroxyprogesterone and the steroidogenic potential of the testis was analysed in the next generation adult male rats. In utero exposure to supranormal levels (10 mg/kg body weight or 25 mg/kg body weight) of hydroxyprogesterone decreased the activity levels of marker steroidogenic enzymes (3beta-hydroxysteroid dehydrogenase and 17beta-hydroxysteroid dehydrogenase) of adult (mature) rat testis. Hydroxyprogesterone mediation in the suppression of rat testicular steroidogenesis is suggested, which can be correlated to the observed decrease in male reproductive potential in mammals exposed to female hormones during embryonic development.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D009243 NAD A coenzyme composed of ribosylnicotinamide 5'-diphosphate coupled to adenosine 5'-phosphate by pyrophosphate linkage. It is found widely in nature and is involved in numerous enzymatic reactions in which it serves as an electron carrier by being alternately oxidized (NAD+) and reduced (NADH). (Dorland, 27th ed) Coenzyme I,DPN,Diphosphopyridine Nucleotide,Nadide,Nicotinamide-Adenine Dinucleotide,Dihydronicotinamide Adenine Dinucleotide,NADH,Adenine Dinucleotide, Dihydronicotinamide,Dinucleotide, Dihydronicotinamide Adenine,Dinucleotide, Nicotinamide-Adenine,Nicotinamide Adenine Dinucleotide,Nucleotide, Diphosphopyridine
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011297 Prenatal Exposure Delayed Effects The consequences of exposing the FETUS in utero to certain factors, such as NUTRITION PHYSIOLOGICAL PHENOMENA; PHYSIOLOGICAL STRESS; DRUGS; RADIATION; and other physical or chemical factors. These consequences are observed later in the offspring after BIRTH. Delayed Effects, Prenatal Exposure,Late Effects, Prenatal Exposure
D005260 Female Females
D006908 Hydroxyprogesterones Metabolites or derivatives of PROGESTERONE with hydroxyl group substitution at various sites.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D015067 17-Hydroxysteroid Dehydrogenases A class of enzymes that catalyzes the oxidation of 17-hydroxysteroids to 17-ketosteroids. EC 1.1.-. 17 beta-Hydroxysteroid Dehydrogenases,Testosterone Dehydrogenases,17-Ketosteroid Reductases,17 Hydroxysteroid Dehydrogenases,17 Ketosteroid Reductases,17 beta Hydroxysteroid Dehydrogenases,Dehydrogenases, 17 beta-Hydroxysteroid,Dehydrogenases, 17-Hydroxysteroid,Dehydrogenases, Testosterone,Reductases, 17-Ketosteroid
D015096 3-Hydroxysteroid Dehydrogenases Catalyze the oxidation of 3-hydroxysteroids to 3-ketosteroids. 3-beta-Hydroxysteroid Dehydrogenase,3 Hydroxysteroid Dehydrogenases,3 beta Hydroxysteroid Dehydrogenase,Dehydrogenase, 3-beta-Hydroxysteroid,Dehydrogenases, 3 Hydroxysteroid,Dehydrogenases, 3-Hydroxysteroid,Hydroxysteroid Dehydrogenases, 3

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