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Regenerative potential of prostate luminal cells revealed by single-cell analysis

Author(s)
Karthaus, Wouter R; Hofree, Matan; Choi, Danielle; Linton, Eliot L; Turkekul, Mesruh; Bejnood, Alborz; Carver, Brett; Gopalan, Anuradha; Abida, Wassim; Laudone, Vincent; Biton, Moshe; Chaudhary, Ojasvi; Xu, Tianhao; Masilionis, Ignas; Manova, Katia; Mazutis, Linas; Pe’er, Dana; Regev, Aviv; Sawyers, Charles L; ... Show more Show less
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Abstract
Androgen deprivation is the cornerstone of prostate cancer treatment. It results in involution of the normal gland to ~90% of its original size because of the loss of luminal cells. The prostate regenerates when androgen is restored, a process postulated to involve stem cells. Using single-cel RNA sequencing, we identified a rare luminal population in the mouse prostate that expresses stemlike genes (Sca1 and Psca ) and a large population of differentiated cells (Nkx3.1 , Pbsn ). In organoids and in mice, both populations contribute equally to prostate regeneration, partly through androgen-driven expression of growth factors (Nrg2, Rspo3) by mesenchymal cells acting in a paracrine fashion on luminal cells. Analysis of human prostate tissue revealed similar differentiated and stemlike luminal subpopulations that likewise acquire enhanced regenerative potential after androgen ablation. We propose that prostate regeneration is driven by nearly all persisting luminal cells, not just by rare stem cells. + + + +
Date issued
2020
URI
https://hdl.handle.net/1721.1/136008
Department
Koch Institute for Integrative Cancer Research at MIT; Massachusetts Institute of Technology. Department of Biology
Journal
Science
Publisher
American Association for the Advancement of Science (AAAS)

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