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Effects of the aqueous extract of Dicliptera verticillata on fertility and different stages of gestation in female rats

Published online by Cambridge University Press:  03 March 2021

Stéphanie Ouabo Meguem
Affiliation:
Research Unit in Medicinal Plants, Food Substances and Nutrition, Department of Biochemistry, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
Landry Lienou Lienou*
Affiliation:
Laboratory of Biochemistry, Department of Biochemistry, Faculty of Science, University of Douala, P.O. Box 24157 Douala, Cameroon
Marie Stéphanie Chekem Goka
Affiliation:
Research Unit in Medicinal Plants, Food Substances and Nutrition, Department of Biochemistry, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
Richard Simo Tagne
Affiliation:
Department of Biomedical Sciences, Faculty of Science, University of Ngaoundéré, P.O. Box 454 Ngaoundéré, Cameroon
Didiane Mefokou Yemele
Affiliation:
Department of Biomedical Sciences, Faculty of Science, University of Ngaoundéré, P.O. Box 454 Ngaoundéré, Cameroon
Phélix Bruno Telefo
Affiliation:
Research Unit in Medicinal Plants, Food Substances and Nutrition, Department of Biochemistry, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
*
Author for correspondence: Landry Lienou, Laboratory of Biochemistry, Department of Biochemistry, Faculty of Science, University of Douala, P.O. Box 24157, Cameroon. Tel: +237679680215. E-mail: lienoulandry@yahoo.fr

Summary

Dicliptera verticillata is a medicinal plant traditionally used in western Cameroon to cure female infertility. This experiment was designed to assess the effects of the aqueous extract of Dicliptera verticillata (AEDv) on fertility and gestation in female rats. Oral increasing doses of AEDv were administered to immature female rats over 20 d. After this time, some animals were mated with fertile males and some fertility parameters were assayed; the other animals were euthanized for preliminary toxicity parameters analysis. The effects of AEDv on the different stages of gestation were assayed on selected animals previously controlled for estrous cycle regularity and mated. AEDv led to an increase in serum, uterine and ovarian proteins as well as in ovarian and uterine weights (P < 0.05) in immature female rats. Hepatic proteins significantly decreased (P < 0.01) in high dose-treated animals (50 and 100 mg/kg) compared with controls. The number of implantation sites and the fertility rate were significantly lower (P < 0.05), while the antifertility activity increased significantly (P < 0.05) in treated rats compared with controls. When administered from the 1st to the 5th day of pregnancy, AEDv led to a decrease of more than 60% in the implantation rate in high dose-treated rats (50, 100, and 400 mg/kg). From the 6th to the 9th day, the implantation, gestation rates and the number of fetuses decreased significantly in all treated groups. From the 11th to the 20th day, a 50% resorption and decrease in gestation rate were reported in 50 mg/kg dose-treated animals. AEDv possesses weak contraceptive and abortifacient effects during pregnancy.

Type
Research Article
Copyright
© The Author(s), 2021. Published by Cambridge University Press

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