JAK/STAT signaling maintains an intermediate cell population during prostate basal cell fate determination

IF 3.7 3区 医学 Q2 CHEMISTRY, MEDICINAL Chemical Research in Toxicology Pub Date : 2024-11-13 DOI:10.1038/s41588-024-01979-1
Wangxin Guo, Xiaoyu Zhang, Lin Li, Pengfei Shao, Chao Liang, Hongjiong Zhang, Kuo Liu, Shuoming Wang, Yunyi Peng, Jun Luo, Yi Ju, Angelo M. De Marzo, Chen Yu, Luonan Chen, Bin Zhou, Dong Gao
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Abstract

Unipotent basal and luminal stem cells maintain prostate homeostasis, with an intermediate cell population emerging during prostate inflammation or cancer. However, the identities of basal stem cell and intermediate cell population remain unclear. Here we identified a rare intermediate cell population expressing luminal markers (termed Basal-B) with enhanced organoid formation capacity, and a larger basal population (termed Basal-A). Genetic lineage tracing revealed Basal-B cells represented a transient basal stem cell state during prostate homeostasis and androgen-mediated regeneration. Activated JAK/STAT signaling was identified in Basal-B cells, and its inhibition significantly reduced Basal-B markers expression. Inflammation increased Basal-B-to-luminal cell transdifferentiation, but JAK/STAT inhibition notably attenuated this effect. Pten gene deletion increased Nkx3.1-expressing Basal-B-like cell population and led to neoplasia. In humans, h-Basal-B cells were more prevalent in benign prostate hyperplasia. This study reveals the identities of intermediate Basal-B cells and underscores the role of JAK/STAT signaling in prostate cell fate determination.

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JAK/STAT 信号在前列腺基底细胞命运决定过程中维持中间细胞群
单能基底干细胞和管腔干细胞维持前列腺的稳态,中间细胞群在前列腺炎症或癌症期间出现。然而,基底干细胞和中间细胞群的身份仍不清楚。在这里,我们发现了一个罕见的表达管腔标记的中间细胞群体(称为Basal-B),它具有增强的类器官形成能力,以及一个更大的基底细胞群体(称为Basal-A)。基因谱系追踪显示,在前列腺稳态和雄激素介导的再生过程中,Basal-B细胞代表了一种短暂的基底干细胞状态。在Basal-B细胞中发现了活化的JAK/STAT信号,抑制该信号可显著减少Basal-B标志物的表达。炎症增加了基底-B细胞向腔细胞的转分化,但抑制JAK/STAT可明显减弱这种效应。Pten基因缺失会增加Nkx3.1表达的基底-B样细胞数量并导致肿瘤。在人类良性前列腺增生中,h-Basal-B 细胞更为普遍。这项研究揭示了中间Basal-B细胞的特性,并强调了JAK/STAT信号在前列腺细胞命运决定中的作用。
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来源期刊
CiteScore
7.90
自引率
7.30%
发文量
215
审稿时长
3.5 months
期刊介绍: Chemical Research in Toxicology publishes Articles, Rapid Reports, Chemical Profiles, Reviews, Perspectives, Letters to the Editor, and ToxWatch on a wide range of topics in Toxicology that inform a chemical and molecular understanding and capacity to predict biological outcomes on the basis of structures and processes. The overarching goal of activities reported in the Journal are to provide knowledge and innovative approaches needed to promote intelligent solutions for human safety and ecosystem preservation. The journal emphasizes insight concerning mechanisms of toxicity over phenomenological observations. It upholds rigorous chemical, physical and mathematical standards for characterization and application of modern techniques.
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