rdf:type |
|
lifeskim:mentions |
umls-concept:C0017262,
umls-concept:C0018270,
umls-concept:C0037083,
umls-concept:C0185117,
umls-concept:C0249197,
umls-concept:C0288472,
umls-concept:C0334227,
umls-concept:C0376358,
umls-concept:C0851285,
umls-concept:C1314939,
umls-concept:C1420626,
umls-concept:C1707248,
umls-concept:C1710082,
umls-concept:C2911684
|
pubmed:issue |
1
|
pubmed:dateCreated |
2005-12-5
|
pubmed:abstractText |
The purpose of this study is to investigate the role of PI3K-Akt signaling in prostate cancer cell growth and androgen receptor (AR)-mediated gene expression. Androgen-dependent LNCaP cells and their androgen-independent counterpart, LNCaP-AI cells, were used. We found that PI3K-Akt signaling is elevated in LNCaP-AI cells compared to that in LNCaP cells and is involved in androgen-independent growth. More importantly, PI3K-Akt signaling enhances AR activity and is involved in the induction of AR target genes, such as p21(WAF/CIP), a gene with anti-apoptosis activity and associated with androgen-independent growth in human prostate cancer. A receptor tyrosine kinase inhibitor also inhibits the PI3K-Akt signaling and compromises AR activity and cell growth. These findings suggest that the PI3K-Akt cell growth survival pathway and its downstream-regulated gene, p21(WAF/CIP), are targets for developing novel therapies against prostate cancer, especially those androgen-independent diseases.
|
pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
IM
|
pubmed:chemical |
|
pubmed:status |
MEDLINE
|
pubmed:month |
Jan
|
pubmed:issn |
1019-6439
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:volume |
28
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
245-51
|
pubmed:dateRevised |
2010-11-18
|
pubmed:meshHeading |
pubmed-meshheading:16328002-Androgens,
pubmed-meshheading:16328002-Cell Survival,
pubmed-meshheading:16328002-Cyclin-Dependent Kinase Inhibitor p21,
pubmed-meshheading:16328002-Gene Expression Regulation, Neoplastic,
pubmed-meshheading:16328002-Humans,
pubmed-meshheading:16328002-Male,
pubmed-meshheading:16328002-Phosphatidylinositol 3-Kinases,
pubmed-meshheading:16328002-Prostatic Neoplasms,
pubmed-meshheading:16328002-Proto-Oncogene Proteins c-akt,
pubmed-meshheading:16328002-Receptors, Androgen,
pubmed-meshheading:16328002-Signal Transduction,
pubmed-meshheading:16328002-Tumor Cells, Cultured
|
pubmed:year |
2006
|
pubmed:articleTitle |
PI3K-Akt signaling is involved in the regulation of p21(WAF/CIP) expression and androgen-independent growth in prostate cancer cells.
|
pubmed:affiliation |
Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0529, USA. shan.lu@uc.edu
|
pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.
|