Identity and dynamics of mammary stem cells during branching morphogenesis

Scheele C, Hannezo EB, Muraro M, Zomer A, Langedijk N, Van Oudenaarden A, Simons B, Van Rheenen J. 2017. Identity and dynamics of mammary stem cells during branching morphogenesis. Nature. 542(7641), 313–317.

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Journal Article | Published | English
Author
Scheele, Colinda; Hannezo, Edouard ISTA ; Muraro, Mauro; Zomer, Anoek; Langedijk, Nathalia; Van Oudenaarden, Alexander; Simons, Benjamin; Van Rheenen, Jacco
Abstract
During puberty, the mouse mammary gland develops into a highly branched epithelial network. Owing to the absence of exclusive stem cell markers, the location, multiplicity, dynamics and fate of mammary stem cells (MaSCs), which drive branching morphogenesis, are unknown. Here we show that morphogenesis is driven by proliferative terminal end buds that terminate or bifurcate with near equal probability, in a stochastic and time-invariant manner, leading to a heterogeneous epithelial network. We show that the majority of terminal end bud cells function as highly proliferative, lineage-committed MaSCs that are heterogeneous in their expression profile and short-term contribution to ductal extension. Yet, through cell rearrangements during terminal end bud bifurcation, each MaSC is able to contribute actively to long-term growth. Our study shows that the behaviour of MaSCs is not directly linked to a single expression profile. Instead, morphogenesis relies upon lineage-restricted heterogeneous MaSC populations that function as single equipotent pools in the long term.
Publishing Year
Date Published
2017-02-16
Journal Title
Nature
Publisher
Nature Publishing Group
Volume
542
Issue
7641
Page
313 - 317
ISSN
IST-REx-ID
934

Cite this

Scheele C, Hannezo EB, Muraro M, et al. Identity and dynamics of mammary stem cells during branching morphogenesis. Nature. 2017;542(7641):313-317. doi:10.1038/nature21046
Scheele, C., Hannezo, E. B., Muraro, M., Zomer, A., Langedijk, N., Van Oudenaarden, A., … Van Rheenen, J. (2017). Identity and dynamics of mammary stem cells during branching morphogenesis. Nature. Nature Publishing Group. https://doi.org/10.1038/nature21046
Scheele, Colinda, Edouard B Hannezo, Mauro Muraro, Anoek Zomer, Nathalia Langedijk, Alexander Van Oudenaarden, Benjamin Simons, and Jacco Van Rheenen. “Identity and Dynamics of Mammary Stem Cells during Branching Morphogenesis.” Nature. Nature Publishing Group, 2017. https://doi.org/10.1038/nature21046.
C. Scheele et al., “Identity and dynamics of mammary stem cells during branching morphogenesis,” Nature, vol. 542, no. 7641. Nature Publishing Group, pp. 313–317, 2017.
Scheele C, Hannezo EB, Muraro M, Zomer A, Langedijk N, Van Oudenaarden A, Simons B, Van Rheenen J. 2017. Identity and dynamics of mammary stem cells during branching morphogenesis. Nature. 542(7641), 313–317.
Scheele, Colinda, et al. “Identity and Dynamics of Mammary Stem Cells during Branching Morphogenesis.” Nature, vol. 542, no. 7641, Nature Publishing Group, 2017, pp. 313–17, doi:10.1038/nature21046.

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