Related Experiment Video

Updated: Nov 14, 2025

Organ Culture and Whole Mount Immunofluorescence Staining of Mouse Wolffian Ducts
09:16

Organ Culture and Whole Mount Immunofluorescence Staining of Mouse Wolffian Ducts

Published on: January 13, 2017

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Molecular Actions Underlying Wolffian Duct Regression in Sexual Differentiation of Murine Reproductive Tracts

Fei Zhao1,2, Sara A Grimm3, Humphrey H-C Yao4

  • 1Reproductive Developmental Biology Group, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, USA.

Sexual Development : Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
|March 8, 2021
PubMed

Insights

The transcription factor COUP-TFII controls Wolffian duct regression in XX embryos by suppressing muscle and extracellular matrix genes. This study identifies key molecular players in reproductive tract sexual differentiation.

Area of Science:

  • Developmental Biology
  • Genetics
  • Reproductive Biology

Background:

  • Sexual differentiation of the reproductive tract requires precise regression of embryonic ducts.
  • In XX embryos, Wolffian duct regression is mediated by the transcription factor COUP-TFII.

Purpose of the Study:

  • To elucidate the cellular and molecular mechanisms by which COUP-TFII regulates Wolffian duct regression.
  • To identify genes and pathways controlled by COUP-TFII in the developing mesenchyme.

Main Methods:

  • Transcriptomic analysis of XX mesonephroi with and without COUP-TFII.
  • Genome-wide chromatin occupancy analysis of COUP-TFII in XX mesonephroi.

Main Results:

  • COUP-TFII suppresses genes involved in muscle differentiation and extracellular matrix production.
  • Integrative analysis identified potential transcriptional partners of COUP-TFII.
  • A list of candidate genes and pathways regulating Wolffian duct regression was generated.

Conclusions:

  • COUP-TFII plays a crucial role in Wolffian duct regression through transcriptional repression.
  • This research provides molecular insights into sexual differentiation of the reproductive tract.
  • Identified candidate genes warrant further functional investigation.
Keywords:
COUP-TFIIReproductive tractsSexual differentiationWolffian duct

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