Rarγ-Foxa1 signaling promotes luminal identity in prostate progenitors and is disrupted in prostate cancer.

IF 6.5 1区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Dario De Felice, Alessandro Alaimo, Davide Bressan, Sacha Genovesi, Elisa Marmocchi, Nicole Annesi, Giulia Beccaceci, Davide Dalfovo, Federico Cutrupi, Stefano Medaglia, Veronica Foletto, Marco Lorenzoni, Francesco Gandolfi, Srinivasaraghavan Kannan, Chandra S Verma, Alessandro Vasciaveo, Michael M Shen, Alessandro Romanel, Fulvio Chiacchiera, Francesco Cambuli, Andrea Lunardi
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引用次数: 0

Abstract

Retinoic acid (RA) signaling is a master regulator of vertebrate development with crucial roles in body axis orientation and tissue differentiation, including in the reproductive system. However, a mechanistic understanding of how RA signaling governs cell lineage identity is often missing. Here, leveraging prostate organoid technology, we show that RA signaling orchestrates the commitment of adult mouse prostate progenitors to glandular identity, epithelial barrier integrity, and specification of prostatic lumen. RA-dependent RARγ activation promotes the expression of Foxa1, which synergizes with the androgen pathway for luminal expansion, cytoarchitecture and function. FOXA1 mutations are common in prostate and breast cancers, though their pathogenic mechanism is incompletely understood. Combining functional genetics with structural modeling of FOXA1 folding and chromatin binding analyses, we discover that FOXA1F254E255 is a loss-of-function mutation compromising its transcriptional function and luminal fate commitment of prostate progenitors. Overall, we define RA as an instructive signal for glandular identity in adult prostate progenitors. Importantly, we identify cancer-associated FOXA1 indels affecting residue F254 as loss-of-function mutations promoting dedifferentiation of adult prostate progenitors.

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来源期刊
EMBO Reports
EMBO Reports 生物-生化与分子生物学
CiteScore
11.20
自引率
1.30%
发文量
267
审稿时长
1 months
期刊介绍: EMBO Reports is a scientific journal that specializes in publishing research articles in the fields of molecular biology, cell biology, and developmental biology. The journal is known for its commitment to publishing high-quality, impactful research that provides novel physiological and functional insights. These insights are expected to be supported by robust evidence, with independent lines of inquiry validating the findings. The journal's scope includes both long and short-format papers, catering to different types of research contributions. It values studies that: Communicate major findings: Articles that report significant discoveries or advancements in the understanding of biological processes at the molecular, cellular, and developmental levels. Confirm important findings: Research that validates or supports existing knowledge in the field, reinforcing the reliability of previous studies. Refute prominent claims: Studies that challenge or disprove widely accepted ideas or hypotheses in the biosciences, contributing to the correction and evolution of scientific understanding. Present null data: Papers that report negative results or findings that do not support a particular hypothesis, which are crucial for the scientific process as they help to refine or redirect research efforts. EMBO Reports is dedicated to maintaining high standards of scientific rigor and integrity, ensuring that the research it publishes contributes meaningfully to the advancement of knowledge in the life sciences. By covering a broad spectrum of topics and encouraging the publication of both positive and negative results, the journal plays a vital role in promoting a comprehensive and balanced view of scientific inquiry. 
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