Literature DB >> 9201706

Androgen deprivation causes up-regulation of androgen receptor transcript in the rat prostate.

V L Kumar1, P K Majumder, V Kumar.   

Abstract

We have studied the effect of androgenic deprivation on the level of androgen receptor transcript in the rat ventral prostate. The rats were treated with estradiol benzoate, flutamide and [D Trp6, des Gly10]gonadotropin releasing hormone (GnRH) for different time periods. These treatments produced a significant decrease in the weight of prostate. Total RNA isolated from the ventral prostates was hybridized with the cDNA probe for androgen receptor. Densitometric analysis of the autoradiographic signal revealed a rise in the level of androgen receptor RNA following treatment of rats with estradiol benzoate and flutamide. Treatment of rats with [D Trp6, des Gly10] GnRH brought about a transient rise in the level of androgen receptor RNA. Thus, our results indicate that androgenic deprivation up-regulates the level of androgen receptor transcript.

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Year:  1997        PMID: 9201706     DOI: 10.1023/a:1006805503284

Source DB:  PubMed          Journal:  Mol Cell Biochem        ISSN: 0300-8177            Impact factor:   3.396


  24 in total

Review 1.  Prostate gland: structure, functions and regulation.

Authors:  V L Kumar; P K Majumder
Journal:  Int Urol Nephrol       Date:  1995       Impact factor: 2.370

Review 2.  Androgen receptor defects: historical, clinical, and molecular perspectives.

Authors:  C A Quigley; A De Bellis; K B Marschke; M K el-Awady; E M Wilson; F S French
Journal:  Endocr Rev       Date:  1995-06       Impact factor: 19.871

3.  Three-month treatment with a long-acting gonadotropin-releasing hormone agonist of patients with benign prostatic hyperplasia: effects on tissue androgen concentration, 5 alpha-reductase activity and androgen receptor content.

Authors:  G Forti; R Salerno; G Moneti; S Zoppi; G Fiorelli; T Marinoni; A Natali; A Costantini; M Serio; L Martini
Journal:  J Clin Endocrinol Metab       Date:  1989-02       Impact factor: 5.958

Review 4.  Endocrine therapy of advanced carcinoma of the prostate.

Authors:  F Daneshgari; E D Crawford
Journal:  Cancer       Date:  1993-02-01       Impact factor: 6.860

5.  Regulation of androgen receptor protein and mRNA concentrations by androgens in rat ventral prostate and seminal vesicles and in human hepatoma cells.

Authors:  L X Shan; M C Rodriguez; O A Jänne
Journal:  Mol Endocrinol       Date:  1990-11

6.  Androgen, estrogen, and progesterone receptor contents and serum hormone profiles in patients with benign hypertrophy and carcinoma of the prostate.

Authors:  V L Kumar; S N Wadhwa; V Kumar; A Farooq
Journal:  J Surg Oncol       Date:  1990-06       Impact factor: 3.454

7.  Progestin inhibition of progesterone receptor gene expression in human breast cancer cells.

Authors:  I E Alexander; C L Clarke; J Shine; R L Sutherland
Journal:  Mol Endocrinol       Date:  1989-09

8.  A novel regulatory element associated with age-dependent expression of the rat androgen receptor gene.

Authors:  P C Supakar; C S Song; M H Jung; M A Slomczynska; J M Kim; R L Vellanoweth; B Chatterjee; A K Roy
Journal:  J Biol Chem       Date:  1993-12-15       Impact factor: 5.157

9.  The androgen receptor mRNA is up-regulated by testosterone in both the Harderian gland and thumb pad of the frog, Rana esculenta.

Authors:  B Varriale; I Serino
Journal:  J Steroid Biochem Mol Biol       Date:  1994-12       Impact factor: 4.292

10.  Androgen receptor status in localized and locally progressive hormone refractory human prostate cancer.

Authors:  J A Ruizeveld de Winter; P J Janssen; H M Sleddens; M C Verleun-Mooijman; J Trapman; A O Brinkmann; A B Santerse; F H Schröder; T H van der Kwast
Journal:  Am J Pathol       Date:  1994-04       Impact factor: 4.307

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  1 in total

1.  Detection of receptor transcripts for androgen, epidermal growth factor and basic fibroblast growth factor in human prostate postmortem.

Authors:  V L Kumar; P K Majumder; O P Murty; V Kumar
Journal:  Int Urol Nephrol       Date:  1998       Impact factor: 2.370

  1 in total

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