Primary Mammary Organoid Model of Lactation and Involution

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Authors

SUMBAL Jakub CHICHE Aurelie CHARIFOU Elsa KOLEDOVÁ Zuzana LI Han

Year of publication 2020
Type Article in Periodical
Magazine / Source Frontiers in Cell and Developmental Biology
MU Faculty or unit

Faculty of Medicine

Citation
Web https://www.frontiersin.org/articles/10.3389/fcell.2020.00068/full
Doi http://dx.doi.org/10.3389/fcell.2020.00068
Keywords 3D culture; fibroblast growth factor 2; involution; lactation; mammary gland; milk production; organoid; prolactin
Description Mammary gland development occurs mainly after birth and is composed of three successive stages: puberty, pregnancy and lactation, and involution. These developmental stages are associated with major tissue remodeling, including extensive changes in mammary epithelium, as well as surrounding stroma. Three-dimensional (3D) mammary organoid culture has become an important tool in mammary gland biology and enabled invaluable discoveries on pubertal mammary branching morphogenesis and breast cancer. However, a suitable 3D organoid model recapitulating key aspects of lactation and involution has been missing. Here, we describe a robust and straightforward mouse mammary organoid system modeling lactation and involution-like process, which can be applied to study mechanisms of physiological mammary gland lactation and involution as well as pregnancy-associated breast cancer.
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