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[Androgen receptor isoforms expression and its novel cDNA cloning in human prostate]
1Department of Urology, Shanghai First People's Hospital, Shanghai 200080, China.
Zhonghua Yi Xue Za Zhi
|October 5, 2005
Summary
Researchers identified three androgen receptor (AR) isoforms in benign prostatic hyperplasia (BPH) tissue and cloned a novel AR subtype, PHAR-1. This discovery offers insights into BPH and potential pharmacotherapy targets.
Area of Science:
- Molecular Endocrinology
- Prostate Biology
Context:
- Androgen receptor (AR) signaling is crucial in prostate physiology and pathology.
- Benign prostatic hyperplasia (BPH) involves complex molecular changes in prostate tissue.
- Understanding AR isoforms is key to elucidating prostate growth mechanisms.
Purpose:
- To investigate the expression of androgen receptor (AR) isoforms in prostate tissue.
- To clone and characterize novel AR subtypes, such as PHAR-1, from BPH tissue.
Summary:
- Analysis of BPH tissue revealed three distinct AR isoforms with specific isoelectric points (pI).
- A novel AR subtype cDNA, PHAR-1 (1,913 nucleotides), was successfully cloned from the same BPH specimen.
- Sequence comparison indicated significant differences between PHAR-1 and previously registered AR sequences.
Impact:
- The identified AR isoforms may share a common genetic origin.
- Findings contribute to understanding BPH pathogenesis and prostate growth.
- Results hold potential for developing novel pharmacotherapies for BPH and prostate cancer.