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During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. Specification is demonstrated by removing a segment of an early embryo, “neutrally” culturing the tissue in vitro—for example, in a petri dish with simple medium—and then observing the derivatives. If the cultured region gives rise to cell types that it would normally generate in the embryo, this means that it is specified. In contrast, determination...

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Related Experiment Video

Updated: Jul 5, 2026

Evaluating the Differentiation Capacity of Mouse Prostate Epithelial Cells Using Organoid Culture

Evaluating the Differentiation Capacity of Mouse Prostate Epithelial Cells Using Organoid Culture

Published on: November 22, 2019

Prostate epithelial cell fate.

Robert J Matusik¹, Ren Jie Jin, Qian Sun

¹Department of Urologic Surgery, Vanderbilt University Medical Center, A-1302 Medical Center North, 1161 21st Ave South, Nashville, TN 37232 2765, USA. robert.matusik@vanderbilt.edu

Differentiation; Research in Biological Diversity

|May 9, 2008

Summary

Androgen receptor (AR) in prostate development is crucial. Transcription factors like AR, FoxA1, and Nkx3.1 control cell fate and differentiation in prostate and bladder organogenesis.

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Last Updated: Jul 5, 2026

Evaluating the Differentiation Capacity of Mouse Prostate Epithelial Cells Using Organoid Culture

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Published on: November 22, 2019

Formation of Human Prostate Epithelium Using Tissue Recombination of Rodent Urogenital Sinus Mesenchyme and Human Stem Cells

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Published on: June 22, 2013

Generation of a Mouse Prostate Organoid-Based Model for Studying Host-Pathogen Interactions

Generation of a Mouse Prostate Organoid-Based Model for Studying Host-Pathogen Interactions

Published on: February 27, 2026

Area of Science:

Urology
Developmental Biology
Molecular Endocrinology

Background:

Prostate development relies on mesenchymal-epithelial interactions.
Androgen receptor (AR) signaling in mesenchymal cells is vital for prostate induction.
Epithelial AR expression is necessary for secretory marker differentiation.

Purpose of the Study:

To explore the molecular mechanisms controlling prostate and bladder organ development.
To elucidate the role of transcription factors in cell determination and differentiation.
To understand how mesenchymal-epithelial interactions guide organogenesis.

Main Methods:

Review of existing literature on prostate and bladder development.
Analysis of transcription factor roles (AR, FoxA1, Nkx3.1) in mesenchymal and epithelial cells.
Examination of embryonic stem cell differentiation models for organogenesis.

Main Results:

AR in prostatic mesenchymal cells, even without epithelial AR, induces prostate development.
Nkx3.1 is expressed in developing and adult prostate epithelium.
Embryonic stem cells differentiate into prostate and bladder epithelium when guided by appropriate mesenchymal cells.

Conclusions:

Transcription factors (AR, FoxA1, Nkx3.1) orchestrate cell determination and differentiation during organogenesis.
Mesenchymal inductive signals and epithelial transcription factors are key to prostate and bladder development.
Understanding these molecular pathways is essential for regenerative medicine and developmental studies.