...aldelaRechercheScientifiqueUPR2301,Gif-sur-Yvette,FranceAbstractThetotalCYP3A5mRNAlevelissignificantlygreaterincarriersoftheCYP3A51allelethaninCYP3A53homozygotes.MostoftheCYP3A53mRNAincludesanintronicsequence(exon3B)containingprematureterminationcodons(PTCs)betweenexons3and4.Twomodelswereusedtoinves...
参考资料医源资料库;在线期刊;分子药理学杂志;2006年第68卷第3期【关键词】TranscriptionTwovitalenzymesoftheCYP3Asubfamily,CYP3A4andCYP3A5,aredifferentiallyexpressedinthehumanlung.However,themolecularmechanismsthatregulatetissue-selectiveexpressionofthegenesarepoorlyunderstood.Theabilityofthe5‘upstreampromoterregionofthesetwogenestodriveluciferasereportera...
参考资料医源资料库;在线期刊;分子药理学杂志;2007年第69卷第9期【关键词】CytochromeP450CYP3A4Themonotopic,endoplasmicreticulum(ER)-anchoredcytochromesP450(P450s)undergovariableproteolyticturnover.CYP3A4,thedominanthumanliverdrug-metabolizingenzyme,isdegradedviaaubiquitin(Ub)-dependent26SproteasomalpathwayafterheterologousexpressioninSaccharomycescerevisiae...
参考资料医源资料库;在线期刊;分子药理学杂志;2006年第68卷第6期...年04月19日BasicClinPharmacolToxicol.2006Jan;98(1):79-8511通过重组CYP3A4,CYP3A5和CYP3A7酶的睾丸素6-β羟化作用在体外研究五种HIV蛋白酶抑制剂(安泼那韦(amprenavir)、印地那韦(indinavir)、那非那韦(nelfinavir)、利托那韦(ritonavir)和沙奎...
参考资料行业资讯;临床快报;HIV/AIDS...coveryWereportthediscoveryofanosmosensitivetranscriptionalcontrolofhumanCYP3A4,CYP3A7,andCYP3A5.Ambienthypertonicity(350–450mOsmol/kg)increasedmRNAexpressionsoftheCYP3Aby10-to20-foldinhuman-intestinalC2bbe1cells,followedbyanincreaseofCYP3Aprotein.Hypotonicity,ontheotherhand,suppressedCYP3AmRNA...
参考资料医源资料库;在线期刊;分子药理学杂志;2007年第69卷第10期...rs[C/EBPandC/EBP-liveractivatingprotein(LAP)],down-regulatinggenessuchasCYP3A4.However,themechanismbywhichhepaticC/EBPfactorsmodulatetranscriptionoftheCYP3A4geneisnotknown.Toelucidatethemechanismofaction,wecotransfectedluciferasereportervectors,containing5‘-flankingdeletionsoftheCYP3A4gene,alongwi...
参考资料医源资料库;在线期刊;分子药理学杂志;2005年第67卷第6期...hine3-hydroxylgroupwereexaminedbysimultaneousexpressionofUGT2B7andeitherCYP3A4,-1A2,or-2C9inCOS-1cells.AlthoughcoexpressionofCYP3A4withUGT2B7hadlittleeffectonVmax,theKmwasincreasedbyabout9.8-foldcomparedwiththeUGT2B7singleexpressionsystem.TheotherP450isozymes(CYP1A2andCYP2C9)hadsomeeffectsonKmandVma...
参考资料医源资料库;在线期刊;分子药理学杂志;2005年第67卷第3期【关键词】MidazolamThecytochromeP4503A(CYP3A)enzymesrepresentoneofthemostimportantdrug-metabolizingsystemsinhumans.Recently,ourgrouphasgeneratedcytochromeP4503Aknockoutmicetostudythisdrug-handlingsysteminvivo.Inthepresentstudy,wehavecharacterizedtheCyp3aknockoutmicebystudyingthemetabolismofmida...
参考资料医源资料库;在线期刊;分子药理学杂志;2008年第70卷第3期...lofCellScience杂志上。研究发现,在未分化甲状腺癌中,FOXO3a转录因子不抑制促癌基因,而是致命肿瘤的生长刺激因子。在人类未分化甲状腺癌的实验室模型中,FOXO3a沉默后,肿瘤细胞生长缓慢,但是当它重新恢复表达时,肿瘤细...
参考资料行业资讯;临床快报;肿瘤相关...记者白毅报道继首次发现SARS病毒中存在新的结构蛋白ORF-3a(3a)之后,中国科学院上海生命科学研究院巴斯德研究所孙兵研究员领导的科研小组对其功能研究又有了新的突破,发现了SARS病毒的致病“开关”——3a蛋白在SARS病毒致病...
参考资料药品天地;专业药学;药学研究