白色念珠菌菌丝生长的诱导机制
...宿主与微生物》(CellHostMicrobe)发表的一项最新研究中,Xu等人的分析结果表明,活化血清的组分中含有细菌的类肽聚糖(PGN)分子。而有几个纯化和合成的胞壁酰二肽(MDPs)与细菌的类肽聚糖的亚基能够有效地促进白色念珠菌...
医药经济;生物技术;技术要闻StructuralbasisforthefunctionandregulationofthereceptorproteintyrosinephosphataseCD45
...cyteactivationanddevelopment.Annu.Rev.Immunol.12:85–116.Hermiston,M.L.,Z.Xu,andA.Weiss.2003.CD45:acriticalregulatorofsignalingthresholdsinimmunecells.Annu.Rev.Immunol.21:107–137.Pingel,J.T.,andM.L.Thomas.1989.Evidencethattheleukocytecommonantigenisrequiredforantigen-inducedTlymphocyteproliferati...
医源资料库;在线期刊;实验医学杂志;2005年第201卷第3期Low-carbohydratenutritionandmetabolism
...encedbytheactivityofenzymes(40,41).Studiessuggestedthatxylulose-5-phospate(Xu-5-P)isasignalforthecoordinatedcontrolofglucosemetabolismandlipogenesis(42).Xu-5-Pisgeneratedfromglucosemetabolisminthehexosemonophosphatepathway,whichactivatesphosphofructokinaseandpromotesthetranscriptioncarbohydrate-resp...
医源资料库;在线期刊;美国临床营养学杂志;2007年86卷第2期美研究者发现p53诱导成体干细胞消亡关键因子
...”加利福尼亚大学生物系教授、该研究小组的负责人YangXu说道:“如果我们能够阻止癌症治疗过程中干细胞的消亡,将有利于患者的健康。”在癌症治疗过程中当正常细胞累积大量的DNA损伤时,肿瘤抑制因子p53被激活可导致细胞...
行业资讯;临床快报;克隆与干细胞研究CombinationofHIV-1SpecificCD4Th1CellResponsesandIgG2AntibodiesIstheBestPredictorforPersistenceofLong-TermNonprogression
...1specificCD4Th1andCD8Tcellresponsesin66nonprogressorsfromtheAsymptomatiquesàLongTerme(ALT)cohortinwhichviralcharacteristics[13,46],hostgenes[16,17],andantibodyresponsestoHIV-1[47]havebeenextensivelystudiedandforwhoma4-yearprospectivefollow-upafterentryintothestudywasavailable.WefocusedonHIV-1specif...
医源资料库;在线期刊;传染病学杂志;2005年第191卷第12期DifferentialimpactofprostaglandinHsynthase1knockdownonplateletsandparturition
...usegenomicsequencesatthezygotestage.Proc.Natl.Acad.Sci.U.S.A.93::5860-5865.Xu,X.etal.2001..Directremovalinthemouseofafloxedneogenefromathree-loxPconditionalknockoutallelebytwonovelapproaches.Genesis.30::1-6.Kimura,T.etal.1999..Whatknockoutmicecantellusaboutparturition.Rev.Reprod.42::73-80.Tsuboi,K.e...
医源资料库;在线期刊;临床研究杂志;2005年第115卷第4期盲目线虫惊人的感知光线天赋
...关的线索。美国安阿伯市密歇根大学的神经生物学家ShawnXu介绍说,通常情况下,研究人员都会假设这些没有眼睛的线虫对光线没有感觉。然而Xu和他的同事注意到,只有几毫米长的秀丽小杆线虫有时竟然也会蠕动着绕开显微镜所...
医药经济;生物技术;技术要闻ContributionofAtrialFibrillationtoIncidenceandOutcomeofIschemicStroke
ClinicaNeurologica,UniversitàdegliStudidiL’Aquila,L’Aquila,Italy.AbstractBackgroundandPurpose—Atrialfibrillation(AF)isamajorriskfactorforischemicstrokeanditsprevalenceincreasessteeplywithage.Population-baseddataonitsinfluenceonstrokeoutcomearescarce.Methods—WeevaluatedtheprevalenceofAFandit...
医源资料库;在线期刊;中风学杂志;2005年第36卷第6期CorticoidsNormalizeLeukocyteProductionofMacrophageMigrationInhibitoryFactorinSepticShock
...METHODSTheprotocolwasapprovedbytheComitédeProtectiondesPersonnessePrettantàlaRechercheBiomédicaledeSaintGermainenLayeethicscommittee,andwritteninformedconsentwasobtainedfrompatientsortheirproxies.ParticipantsConsecutivepatientsadmittedtotheICUatRaymondPoincaréhospital(Garches,France)wereincluded...
医源资料库;在线期刊;传染病学杂志;2005年第191卷第1期SwappingConnexinGenesHowBigIstheGap
...nmice.CurrBiol.2000;10:1083–1091.AlcoléaS,Jarry-GuichardT,deBakkerJ,GonzàlezD,LamersW,CoppenS,BarrioL,JongsmaH,GrosD,VanRijenH.Replacementofconnexin40byconnexin45inthemouse:impactoncardiacelectricalconduction.CircRes.2004;94:100–109.TraubO,EckertR,Lichtenberg-FrateH,ElfgangC,BastideB,Scheidtma...
医源资料库;在线期刊;循环研究杂志;2004年第94卷第1期