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Review: Embryonic stem cells as tools for in vitro gamete production in livestock

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ANIMAL
卷 17, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.animal.2023.100828

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Gametogenesis; Germ cells; Gonads; In vitro breeding; Pluripotency

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The goal of in vitro gametogenesis is to reproduce the events of sperm and oocyte development in the laboratory. Significant advances have been made in studying species-specific differences in germ cell development, especially in humans, non-human primates, and livestock. The use of in vitro gametes has potential applications in optimizing elite genetics in cattle. This article presents the latest advances in in vitro gametogenesis in livestock science, including new types of pluripotent stem cells, the characterization of the signaling environment in the gonadal niche, and experimental systems for reproducing different stages of germ cell development.
The goal of in vitro gametogenesis is to reproduce the events of sperm and oocyte development in the laboratory. Significant advances have been made in the mouse in the last decade, but evolutionary divergence from the murine developmental program has prevented the replication of these advances in large mammals. In recent years, intensive work has been done in humans, non-human primates and livestock to elucidate species-specific differences that regulate germ cell development, due to the number of potential applications. One of the most promising applications is the use of in vitro gametes to optimize the spread of elite genetics in cattle. In this context, embryonic stem cells have been posed as excellent candidates for germ cell platforms. Here, we present the most relevant advances in in vitro gametogenesis of interest to livestock science, including new types of pluripotent stem cells with potential for germline derivation, characterization of the signaling environment in the gonadal niche, and experimental systems used to reproduce different stages of germ cell development in the laboratory. CO 2023 The Authors. Published by Elsevier B.V. on behalf of The Animal Consortium. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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