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Mammary gland 3D cell culture systems in farm animals

Abstract : In vivo study of tissue or organ biology in mammals is very complex and progress is slowed by poor accessibility of samples and ethical concerns. Fortunately, however, advances in stem cell identification and culture have made it possible to derive in vitro 3D "tissues" called organoids, these three-dimensional structures partly or fully mimicking the in vivo functioning of organs. The mammary gland produces milk, the source of nutrition for newborn mammals. Milk is synthesized and secreted by the differentiated polarized mammary epithelial cells of the gland. Reconstructing in vitro a mammary-like structure mimicking the functional tissue represents a major challenge in mammary gland biology, especially for farm animals for which specific agronomic questions arise. This would greatly facilitate the study of mammary gland development, milk secretion processes and pathological effects of viral or bacterial infections at the cellular level, all with the objective of improving milk production at the animal level. With this aim, various 3D cell culture models have been developed such as mammospheres and, more recently, efforts to develop organoids in vitro have been considerable. Researchers are now starting to draw inspiration from other fields, such as bioengineering, to generate organoids that would be more physiologically relevant. In this chapter, we will discuss 3D cell culture systems as organoids and their relevance for agronomic research.
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Submitted on : Thursday, June 10, 2021 - 11:43:43 AM
Last modification on : Friday, May 20, 2022 - 9:04:57 AM


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Laurence Finot, Eric Chanat, Frederic Dessauge. Mammary gland 3D cell culture systems in farm animals. Veterinary Research, BioMed Central, 2021, 52 (1), ⟨10.1186/s13567-021-00947-5⟩. ⟨hal-03256473⟩



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