title: Suppression of prometastatic phenotype of highly metastatic androgen-independent rat prostate cancer MLL cell line by PI3K inhibitor LY294002.
abstract: Upregulation of the PI3K pathway has often been reported in androgen-independent prostate cancer and is implicated in cancer cell survival and proliferation in the absence of androgen. Inhibition of PI3K by LY294002 suppressed cell invasion and motility of the highly metastatic androgen-independent Dunning rat prostate cancer MLL cell line with similar IC50 values and inhibition profile. Moreover, LY294002 attenuated expression of urokinase plasminogen activator (uPA) without any significant effect on that of matrix metalloproteinase 2. These results indicated that the role of PI3K in MLL cell invasion is by regulating cell motility and uPA expression.
authors.affiliation: Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand.
authors.forename: Chaiwat
authors.initials: C
authors.lastname: Prawettongsopon
authors.forename: Sariya
authors.initials: S
authors.lastname: Asawakarn
authors.forename: Tuangporn
authors.initials: T
authors.lastname: Suthiphongchai
mesh_terms: D000230:Adenocarcinoma / Q000188:drug therapy / Q000378:metabolism / Q000556:secondary; D000728:Androgens / Q000494:pharmacology*; D000818:Animals; D002465:Cell Movement / Q000187:drug effects; D002867:Chromones / Q000494:pharmacology*; D004791:Enzyme Inhibitors / Q000494:pharmacology*; D048049:Extracellular Signal-Regulated MAP Kinases / Q000378:metabolism; D008297:Male; D020778:Matrix Metalloproteinase 2 / Q000235:genetics / Q000378:metabolism; D009025:Morpholines / Q000494:pharmacology*; D009376:Neoplasms, Hormone-Dependent / Q000188:drug therapy* / Q000378:metabolism / Q000556:secondary*; D000081082:Phosphoinositide-3 Kinase Inhibitors; D010766:Phosphorylation / Q000187:drug effects; D011471:Prostatic Neoplasms / Q000188:drug therapy* / Q000378:metabolism / Q000473:pathology; D012333:RNA, Messenger / Q000235:genetics / Q000378:metabolism; D051381:Rats; D020133:Reverse Transcriptase Polymerase Chain Reaction; D015398:Signal Transduction; D014407:Tumor Cells, Cultured; D014568:Urokinase-Type Plasminogen Activator / Q000235:genetics / Q000378:metabolism
chemical_list: D000728:Androgens; D002867:Chromones; D004791:Enzyme Inhibitors; D009025:Morpholines; D000081082:Phosphoinositide-3 Kinase Inhibitors; D012333:RNA, Messenger; C085911:2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one; D048049:Extracellular Signal-Regulated MAP Kinases; D014568:Urokinase-Type Plasminogen Activator; D020778:Matrix Metalloproteinase 2