Abstract
The expression of reverse transcriptase (RT) in ovaries, testes, gametes and embryos highlights its critical role in cell growth and differentiation. We sought to investigate the effects of the potent RT inhibitor lamivudine in gametogenesis and mouse embryo preimplantation development. Male and female FVB/N mice were treated with the reverse transcriptase inhibitor Lamivudine for seven consecutive weeks. Following treatment, mouse sperm parameters, testicular and ovarian morphology as well as post-IVF embryo development were evaluated. Lamivudine impaired the sperm parameters and the testicular structure in male mice, the number of primordial germ cells and primary oocytes in ovaries of female mice, and the embryos' morphology and development up to the blastocyst stage during in vitro culture. The administration of lamivudine affected the processes of spermatogenesis and oogenesis as well as the in vitro preimplantation development of mouse embryos.
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