Mycotoxin MT81 and Its Benzoylated Derivative Exhibit Potential Antisteroidogenic Activities In Prepubertal Female Wistar Rat
DOI:
https://doi.org/10.17140/TFMOJ-1-101Keywords:
MT81, Benzoylated MT81, Vaginal opening, ∆5-3β-hydroxysteroid dehydrogenase, Ovarian steroidogenesisAbstract
MT81, a mycotoxin (polyhydroxyanthraquinone, Molecular formula C22H18O7) was isolated and identified from Penicillium nigricans. It is highly toxic (LD50 value is 35.1 mg/kg body weight) and shows antimicrobial, antileishmanial activities and produces hepato-renal dysfunction and hematological disorders. The benzoylated derivative of MT81 was synthesized in our laboratory and its LD50 value is 87.1 mg/kg body weight. In spite of its reduced toxicity, the benzoylated derivative (BzMT81) shows potent antimicrobial effects. The present study was aimed to investigate the antifertility activities of Mycotoxin MT81 and its benzoylated derivative on the reproductive system of female prepubertal albino Wistar rats. MT81 and BzMT81 arrested vaginal opening, reduced body weight and the weights of ovaries and uterus. Total cholesterol and ascorbic acid content of the ovaries were elevated whereas the activities of ∆5-3β-hydroxysteroid dehydrogenase and glucose-6-phosphate dehydrogenase were decreased in a dose-dependent manner. In the adrenal gland of rat these parameters showed opposite findings. The study reveals that MT81 and BzMT81 both inhibit ovarian steroidogenesis and causes ovarian sterility in female prepubertal rat but the analogue shows more potentiality.
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