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Updated: Jul 26, 2026

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Formation of Human Prostate Epithelium Using Tissue Recombination of Rodent Urogenital Sinus Mesenchyme and Human Stem Cells
Published on: June 22, 2013
PEAZ-1: a new human prostate neoplastic epithelial cell line
M Schmelz1, A E Cress, J Barrera
1Department of Pathology, University of Arizona Health Sciences Center, Tucson, Arizona 85724-5043, USA. schmelz@u.arizona.edu
The Prostate
|July 4, 2001
Summary
A new human prostate cancer cell line, PEAZ-1, was developed for in vitro studies. This tumorigenic and androgen-independent cell line exhibits mesenchymal characteristics, aiding prostate carcinoma research.
Area of Science:
- Oncology
- Cell Biology
- Cancer Research
Background:
- Prostate cancer pathogenesis research relies on in vitro models.
- Established a novel human prostate epithelial cell line, PEAZ-1 (prostate epithelial Arizona-1).
Purpose of the Study:
- To establish and characterize a new human prostate epithelial cell line for research.
- To provide a valuable in vitro model for prostate carcinoma studies.
Main Methods:
- PEAZ-1 cells derived from a primary human prostate carcinoma specimen.
- Characterization involved immunobiochemistry, immunohistochemistry, and tumorigenicity assays.
Main Results:
- PEAZ-1 cells are near-diploid, tumorigenic, and androgen-independent.
- Exhibits mesenchymal markers (N-cadherin, vimentin) and lacks epithelial markers (E-cadherin, PSA).
- Responds to ocadaic acid with p53 expression, indicating sensitivity to pro-apoptotic agents.
Conclusions:
- PEAZ-1 represents a novel human prostate cancer cell line.
- The cell line possesses several mesenchymal characteristics, useful for research.

