A Potential Autocrine Pathway For Growth Hormone Releasing Hormone And Its Receptor In Human Prostate Cancer Cell Lines
Chopin, Lisa K. & Herington, Adrian C. (2001) A Potential Autocrine Pathway For Growth Hormone Releasing Hormone And Its Receptor In Human Prostate Cancer Cell Lines. The Prostate, 49(2), pp. 116-121.
Background Recent studies have shown that GHRH antagonists inhibit prostate tumour growth and IGF-II production both in vivo and in vitro. The mechanism underlying these observations is unknown, but may involve an interaction with a prostatic GHRH receptor (GHRH-R), raising the possibility of an autocrine pathway for the GHRH axis in the prostate.
Methods GHRH and GHRH-R mRNA expression was examined by RT-PCR in human prostate cancer cell lines, and the authenticity of PCR products was confirmed by Southern analysis and cDNA sequencing. Immunohistochemical techniques were used to examine the expression of GHRH protein in prostate cancer cell lines.
Results GHRH-R (mRNA) and GHRH (mRNA and protein) are co-expressed in the ALVA-41, DU145, LNCaP and PC3 human prostate cancer cell lines.
Conclusions These observations suggest the presence of an intact prostatic GHRH autocrine pathway which may stimulate prostate cell proliferation. This pathway may be disrupted by GHRH antagonists. Prostate 49:116-121, 2001. © 2001 Wiley-Liss, Inc.
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|Item Type:||Journal Article|
|Additional Information:||For more information, please refer to the journal's website (see hypertext link) or contact the author.|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2001 John Wiley and Sons|
|Deposited On:||30 Oct 2007 00:00|
|Last Modified:||15 Jan 2009 07:52|
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