Increased CK5/CK8-Positive Intermediate Cells with Stromal Smooth Muscle Cell Atrophy in the Mice Lacking Prostate Epithelial Androgen Receptor Epithelial-Stromal Interaction
2011

Impact of Epithelial Androgen Receptor on Prostate Development

publication Evidence: moderate

Author Information

Author(s): Niu Yuanjie, Wang Juan, Shang Zhiqun, Huang Shu-Pin, Shyr Chih-Rong, Yeh Shuyuan, Chang Chawnshang

Primary Institution: Tianjin Medical University, Tianjin, China

Hypothesis

Epithelial androgen receptor (AR) plays essential roles in prostate development and epithelial-stromal interactions.

Conclusion

The study found that loss of epithelial AR leads to increased apoptosis in luminal cells and increased proliferation in basal cells, resulting in altered prostate development.

Supporting Evidence

  • Loss of epithelial AR resulted in increased apoptosis in CK8-positive luminal cells.
  • Knockout of epithelial AR led to increased proliferation in CK5-positive basal cells.
  • Altered ductal morphogenesis was observed in the prostate of pes-ARKO mice.
  • Decreased expression of TGF-β1 was found in the epithelium of pes-ARKO mice.

Takeaway

When a specific part of the prostate cells can't use a hormone called androgen, it causes some cells to die and others to grow too much, which changes how the prostate develops.

Methodology

The study used a mouse model with a specific knockout of the androgen receptor in prostate epithelial cells to analyze the effects on prostate development.

Limitations

The study is limited to a mouse model, which may not fully replicate human prostate development.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0020202

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