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The mesenchymal property of mouse mammary anlagen repopulating cell population is associated with its stemness.
- Source :
-
Gene expression patterns : GEP [Gene Expr Patterns] 2020 Dec; Vol. 38, pp. 119151. Date of Electronic Publication: 2020 Oct 22. - Publication Year :
- 2020
-
Abstract
- During early embryogenesis, mammary glands are derived from surface ectoderm and their morphogenesis is controlled by mammary stem cells (MaSCs) and epithelial-mesenchymal transition (EMT). Mammary anlagen stage (E13.5-15.5) is an important stage for fetal mice to achieve EMT dependent mammary morphogenesis. And the characteristics of mammary anlagen repopulating cell population (MaRC) should be identified for understanding its stemness at earlier embryonic stage. Here we quantify and characterize MaSCs proportion at mammary anlagen stage. Compared with adult mouse mammary gland, our data revealed that E14.5 mammary anlagen exhibit higher stem cell activities. Then we purified mammary anlagen cell populations depending on the expression levels of CD24 and CD49f in mouse mammary anlagen, and identified an unique MaRC population (Lin-CD24medCD49f+) by real-time PCR, transplantation and mammosphere forming assays. In addition, by comparing with adult MaSC (Lin-CD24+CD29hi) and differentiated mammary anlagen cells, we find that E14.5 mouse MaRC population exhibit gene expression programs related to mesenchymal properties. To further identify the cell types of E14.5 mouse MaRC population, the expressions of K8, K14, K18, e-cadherin, n-cadherin and vimentin in mammary anlagen Lin-CD24medCD49f + cells were detected by immunofluorescence assay. These findings verified that the undifferentiated E14.5 mouse MaRC population is a heterogeneous population with mesenchymal property, which is associated with cell stemness and mammary duct morphogenesis.<br /> (Copyright © 2020 Elsevier B.V. All rights reserved.)
- Subjects :
- Animals
CD24 Antigen genetics
CD24 Antigen metabolism
Cadherins genetics
Cadherins metabolism
Cells, Cultured
Epithelial-Mesenchymal Transition
Female
Humans
Integrin alpha6 genetics
Integrin alpha6 metabolism
Mammary Glands, Human embryology
Mesenchymal Stem Cells metabolism
Mesenchymal Stem Cells physiology
Mice
Mice, Inbred C57BL
Morphogenesis
Mouse Embryonic Stem Cells metabolism
Mouse Embryonic Stem Cells physiology
Cell Self Renewal
Mammary Glands, Human cytology
Mesenchymal Stem Cells cytology
Mouse Embryonic Stem Cells cytology
Subjects
Details
- Language :
- English
- ISSN :
- 1872-7298
- Volume :
- 38
- Database :
- MEDLINE
- Journal :
- Gene expression patterns : GEP
- Publication Type :
- Academic Journal
- Accession number :
- 33132190
- Full Text :
- https://doi.org/10.1016/j.gep.2020.119151