Spatially Restricted Stromal Wnt Signaling Restrains Prostate Epithelial Progenitor Growth through Direct and Indirect Mechanisms
Copyright © 2019 Elsevier Inc. All rights reserved..
Cell-autonomous Wnt signaling has well-characterized functions in controlling stem cell activity, including in the prostate. While niche cells secrete Wnt ligands, the effects of Wnt signaling in niche cells per se are less understood. Here, we show that stromal cells in the proximal prostatic duct near the urethra, a mouse prostate stem cell niche, not only produce multiple Wnt ligands but also exhibit strong Wnt/β-catenin activity. The non-canonical Wnt ligand Wnt5a, secreted by proximal stromal cells, directly inhibits proliefration of prostate epithelial stem or progenitor cells whereas stromal cell-autonomous canonical Wnt/β-catenin signaling indirectly suppresses prostate stem or progenitor activity via the transforming growth factor β (TGFβ) pathway. Collectively, these pathways restrain the proliferative potential of epithelial cells in the proximal prostatic ducts. Human prostate likewise exhibits spatially restricted distribution of stromal Wnt/β-catenin activity, suggesting a conserved mechanism for tissue patterning. Thus, this study shows how distinct stromal signaling mechanisms within the prostate cooperate to regulate tissue homeostasis.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
Cell stem cell - 24(2019), 5 vom: 02. Mai, Seite 753-768.e6 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wei, Xing [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 16.07.2020 Date Revised 16.07.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.stem.2019.03.010 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM296036838 |
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| 520 | |a Copyright © 2019 Elsevier Inc. All rights reserved. | ||
| 520 | |a Cell-autonomous Wnt signaling has well-characterized functions in controlling stem cell activity, including in the prostate. While niche cells secrete Wnt ligands, the effects of Wnt signaling in niche cells per se are less understood. Here, we show that stromal cells in the proximal prostatic duct near the urethra, a mouse prostate stem cell niche, not only produce multiple Wnt ligands but also exhibit strong Wnt/β-catenin activity. The non-canonical Wnt ligand Wnt5a, secreted by proximal stromal cells, directly inhibits proliefration of prostate epithelial stem or progenitor cells whereas stromal cell-autonomous canonical Wnt/β-catenin signaling indirectly suppresses prostate stem or progenitor activity via the transforming growth factor β (TGFβ) pathway. Collectively, these pathways restrain the proliferative potential of epithelial cells in the proximal prostatic ducts. Human prostate likewise exhibits spatially restricted distribution of stromal Wnt/β-catenin activity, suggesting a conserved mechanism for tissue patterning. Thus, this study shows how distinct stromal signaling mechanisms within the prostate cooperate to regulate tissue homeostasis | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a TGFβ | |
| 650 | 4 | |a Wnt | |
| 650 | 4 | |a prostate stem cells | |
| 650 | 4 | |a stem cell niche | |
| 650 | 4 | |a stromal-epithelial interaction | |
| 650 | 7 | |a Transforming Growth Factor beta |2 NLM | |
| 650 | 7 | |a Wnt-5a Protein |2 NLM | |
| 650 | 7 | |a beta Catenin |2 NLM | |
| 700 | 1 | |a Zhang, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Zhicheng |e verfasserin |4 aut | |
| 700 | 1 | |a Kwon, Oh-Joon |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yiqun |e verfasserin |4 aut | |
| 700 | 1 | |a Nguyen, Hoang |e verfasserin |4 aut | |
| 700 | 1 | |a Dumpit, Ruth |e verfasserin |4 aut | |
| 700 | 1 | |a True, Lawrence |e verfasserin |4 aut | |
| 700 | 1 | |a Nelson, Peter |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Baijun |e verfasserin |4 aut | |
| 700 | 1 | |a Xue, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Birchmeier, Walter |e verfasserin |4 aut | |
| 700 | 1 | |a Taketo, Makoto M |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Creighton, Chad J |e verfasserin |4 aut | |
| 700 | 1 | |a Ittmann, Michael M |e verfasserin |4 aut | |
| 700 | 1 | |a Xin, Li |e verfasserin |4 aut | |
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