Prenatal effects of transplacental exposure to ifosfamide in rats

Helal M. 


© 2016 The Biological Stain Commission. Ifosfamide is an alkylating chemotherapeutic agent that exhibits activity against a wide range of tumors. Exposure to such agent just prior to mating (preconception period) may have adverse effects on developing embryos. I investigated the rate of apoptosis and the histological changes in both placenta and developing fetal tissues after exposure to ifosfamide of young female rats before mating. I clarified the roles of the drug and the placenta in causing fetal developmental toxicity. Rats were divided into four groups: (1) untreated controls, (2) rats administered saline, (3 and 4) rats administered 25 mg/kg and 50 mg/kg ifosfamide, respectively. After treatment of females with ifosfamide, the treated females were allowed to mate with normal untreated males. All pregnant animals were sacrificed on day 18 of gestation. Treatment with high doses of ifosfamide caused small placentas, fewer viable fetuses, greater post-implantation losses and more resorbed fetuses. Reduced progesterone and increased prolactin levels also were found. Immunohistochemical staining, the TUNEL technique and histological studies showed increased apoptotic cells and many histological changes in the placenta, and in fetal brain, liver and kidney tissues. Ifosfamide treatment increased apoptosis and caused hypoplasia of placental basal and labyrinth zones, which resulted in pathological changes in developing fetal tissue.

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Keywords apoptosis; brain; fetus; ifosfamide; immunohistochemistry; kidney; liver; organogenesis; placenta; rat
Issue Date 3-Jul-2016
Journal Biotechnic and Histochemistry 

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