ScientificBackground- Akt1orProteinKinaseBα(PKBα)isaserine/threoninekinasethatbelongstotheAktfamily.Akt1isactivatedincellsinresponsetodiversestimulisuchashormones,growthfactorsandextracellularmatrixcomponentsandisinvolvedinglucosemetabolism,transcription,survival,cellproliferation,angiogenesis,andcellmotility(1).ThePI3Kgeneratesphosphatidylinositol-3,4,5-trisphosphate(PIP3),alipidsecondmessengeressentialforthetranslocationofAkt1totheplasmamembranewhereitisphosphorylatedandactivatedbyphosphoinositide-dependentkinase-1(PDK-1)(2)andphosphoinositide-dependentkinase-2(possIBLyILK)(3).Akt1hasnumerouscellularsubstratesincludingproteins,whichpromotetheinhibitionofapoptosissuchastheForkheadtranscriptionfactorsandtheBcl-2familymemberBad(4).Inaddition,thecyclindependentkinaseinhibitorsaresubstratesofAktwhichwhenphosphorylatedrelinquishtheirinhibitoryinfluenceoncellcycleprogression.Aktalsome
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2.AndersonKE,CoadwellJ,HawkinsPT.TranslocationofPDK-1totheplasmamembraneisimportantinallowingPDK-1toactivateproteinkinaseB.CurrBiol.1998Jun4;8(12):684-91. 3.PersadS,AttwellS,GrayV,MawjiN,DengJT,LeungD,YanJ,SangheraJ,DedharS.RegulationofproteinkinaseB/Akt-serine473phosphorylationbyintegrin-linkedkinase:criticalrolesforkinaseactivityandaminoacidsarginine211andserine343.JBiolChem.2001Jul20;276(29):27462-9. 4.SenP,MukherjeeS,RayD,RahaS.InvolvementoftheAkt/PKBsignalingpathwaywithdiseaseprocesses.MolCellBiochem.2003Nov;253(1-2):241-6. 5.NicholsonKM,AndersonNG.TheproteinkinaseB/Aktsignallingpathwayinhumanmalignancy.CellSignal.2002May;14(5):381-95.
产品名 | 货号 | 公司分类 | 分类 | 美金价 | Viskase/透析袋 MD25(3500)/25mm/MD25-3.5 | MD25-3.5 | 透析 | 透析 | 1543.14 | 指尖陀螺 | 1221 | | 常用设备 | 4.50 |
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