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Identification, Histological Characterization, and Dissection of Mouse Prostate Lobes for In Vitro 3D Spheroid Culture Models
Published on: September 18, 2018
Noggin is required for normal lobe patterning and ductal budding in the mouse prostate
Crist Cook1, Chad M Vezina, Sarah H Allgeier
1Department of Surgery, University of Wisconsin, Box 3236 Clinical Science Center-G5, 600 Highland Ave., Madison, WI 53792, USA.
Developmental Biology
|November 22, 2007
Summary
The BMP-NOGGIN axis is crucial for mouse prostate development. Loss of NOGGIN causes severe genitourinary anomalies and ventral prostate absence, while NOGGIN counteracts BMP4 to promote ductal budding.
Area of Science:
- Developmental Biology
- Urology
- Molecular Biology
Background:
- Mesenchymal NOGGIN is vital for prostate development, opposing BMP4's inhibition of cell proliferation.
- BMP4 and BMP7 inhibit ductal budding and outgrowth by negatively regulating epithelial cell proliferation.
Purpose of the Study:
- To investigate the role of the BMP-NOGGIN axis in prostate development.
- To elucidate the mechanism by which NOGGIN influences BMP4-mediated effects on prostate ductal budding and epithelial cell proliferation.
Main Methods:
- Morphological examination of newborn Noggin-/- male fetuses.
- Transplantation of E14 Noggin-/- urogenital sinus (UGS) into nude mice.
- Organ culture of BMP4-exposed UGS to assess NOGGIN's effect.
Main Results:
- Noggin-/- male fetuses exhibited genitourinary anomalies, including cryptorchidism and complete loss of ventral prostate budding.
- Transplantation confirmed a complete loss of ventral prostate determination in Noggin-/- UGS.
- NOGGIN neutralized BMP4-induced inhibition of ductal budding and rescued branching morphogenesis in organ culture.
- BMP4 and NOGGIN activities converge on P63+ epithelial cells at nascent duct tips.
Conclusions:
- The BMP-NOGGIN axis is essential for ventral prostate patterning and ductal budding in mice.
- NOGGIN antagonizes BMP4 to regulate epithelial cell proliferation and branching morphogenesis during prostate development.
- This axis specifically impacts P63+ epithelial cells in developing prostate ducts.

