Induction of neuronal apoptosis inhibitory protein expression in response to androgen deprivation in prostate cancer

Abstract A mechanism for survival of prostate cancer cells in an androgen-deprived environment remains elusive. Here, we find that expression of neuronal apoptosis inhibitory protein (NAIP) was significantly increased in vivo and in vitro in response to androgen deprivation therapy (ADT). Increased...

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Veröffentlicht in:Cancer letters 2010-06, Vol.292 (2), p.176-185
Hauptverfasser: Chiu, Helen H.L, Yong, Theresa M.K, Wang, Jun, Wang, Yuwei, Vessella, Robert L, Ueda, Takeshi, Wang, Yu-Zhuo, Sadar, Marianne D
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container_end_page 185
container_issue 2
container_start_page 176
container_title Cancer letters
container_volume 292
creator Chiu, Helen H.L
Yong, Theresa M.K
Wang, Jun
Wang, Yuwei
Vessella, Robert L
Ueda, Takeshi
Wang, Yu-Zhuo
Sadar, Marianne D
description Abstract A mechanism for survival of prostate cancer cells in an androgen-deprived environment remains elusive. Here, we find that expression of neuronal apoptosis inhibitory protein (NAIP) was significantly increased in vivo and in vitro in response to androgen deprivation therapy (ADT). Increased expression of NAIP corresponded to increased DNA-binding activity of NF-κB that physically associated to previously uncharacterized κB-like sites in the NAIP locus. Importantly, expression of NAIP was significantly increased ( p = 0.04) in clinical samples of prostate cancer from patients receiving ADT. Expression of NAIP may be associated with enhanced survival of prostate cancer in response to castration.
doi_str_mv 10.1016/j.canlet.2009.11.023
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Here, we find that expression of neuronal apoptosis inhibitory protein (NAIP) was significantly increased in vivo and in vitro in response to androgen deprivation therapy (ADT). Increased expression of NAIP corresponded to increased DNA-binding activity of NF-κB that physically associated to previously uncharacterized κB-like sites in the NAIP locus. Importantly, expression of NAIP was significantly increased ( p = 0.04) in clinical samples of prostate cancer from patients receiving ADT. 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Here, we find that expression of neuronal apoptosis inhibitory protein (NAIP) was significantly increased in vivo and in vitro in response to androgen deprivation therapy (ADT). Increased expression of NAIP corresponded to increased DNA-binding activity of NF-κB that physically associated to previously uncharacterized κB-like sites in the NAIP locus. Importantly, expression of NAIP was significantly increased ( p = 0.04) in clinical samples of prostate cancer from patients receiving ADT. 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subjects Androgen deprivation
Androgens - metabolism
Apoptosis
Blotting, Western
Castration
Chromatin Immunoprecipitation
Genes
Hematology, Oncology and Palliative Medicine
Humans
Immunohistochemistry
Inhibitors of apoptosis
Kinases
Male
Neuronal apoptosis inhibitory protein
Neuronal Apoptosis-Inhibitory Protein - genetics
Neuronal Apoptosis-Inhibitory Protein - metabolism
NF-kappa B - metabolism
Nuclear factor-κB
Prostate cancer
Prostatic Neoplasms - metabolism
Prostatic Neoplasms - pathology
Prostatic Neoplasms - surgery
Reverse Transcriptase Polymerase Chain Reaction
RNA, Messenger - genetics
Rodents
title Induction of neuronal apoptosis inhibitory protein expression in response to androgen deprivation in prostate cancer
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