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Culture of cryopreserved first trimester placental tissues to study syncytial renewal
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Culture of cryopreserved first trimester placental tissues to study syncytial renewal
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Journal Article
Culture of cryopreserved first trimester placental tissues to study syncytial renewal
2025
Overview
Ex vivo studies with first trimester placental tissues are crucial for understanding human placental development, and culturing placental villi in floating conditions is vital to mimic the natural setting. Moreover, being able to cryopreserve these scarce materials for ex vivo studies would open unprecedented avenues, as they are very limited to research and the need to culture freshly adds further hurdles while limiting efficient use. Here we showed that hanging drop method is a simple yet effective approach to culture placental floating villi. We also revealed that these functional units of the early-stage human placenta can be cryopreserved for culturing, and that frozen-thawed villi can regenerate the syncytial layer following denudation. We further illustrated the utility of frozen-thawed tissues to study syncytialization, while validating the importance of HtrA4 in the process which was shown previously in cell models. These represent significant new knowledge to the field of placental biology.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
