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鹅去氧胆酸致尿蛋白阳性1例报告
...5~7mm,在肾病好转,尿蛋白转阴1个月后取鹅去氧胆酸(CDCA)7.8mg/(kg·d),分3次口服,5天时尿蛋白弱阳性,2天后尿蛋白呈阳性,停服CDCA1周尿蛋白转阴。2周后改服熊去氧胆酸(UDCA),其是CDˉCA的差向异构体,在3α,7β位有羟...
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口服溶石法疗效如何?
...仅有10%左右的病人能治完全疗程。 (2)此法费用甚高。CDCA和UDCA售价昂贵,即使国产UDCA50mg片剂,每片也要0.5元。长期连续服用,其费用是很可观的。 (3)复发率高。一旦停用溶石药,胆汁3周内便呈过饱和状态,而胆固醇过...
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第三节 肝与胆汁酸代谢
...类胆汁中存在的胆汁酸主要有胆酸(CA)、鹅脱氧胆酸(CDCA)、脱氧胆酸(DCA),还有少量石胆酸(LCA)及微量熊脱氧胆酸(UDCA)。前4种胆酸在胆汁中的比例通常为10:10:5:1。 胆汁酸按其在体内来源的不同可分为初级胆...
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哪些胆囊结石的病人多采用口服溶石疗法?
...法。经过不懈的努力,终于在70年代初发现了鹅去氧胆酸(CDCA)具有能溶解结石的作用,从而为治疗胆囊结石开辟了新途径,也给不愿开刀的人带来一些希望。但目前临床上所使用的溶石药物,不是对每一个胆囊结石病人都适用的...
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胆石症治疗方法研究概况如何?
...石 此法又称胆酸疗法,所用药物主要为鹅去氧胆酸(CDCA)与熊去氧胆酸(UDCA)两种。适用于无重度黄疸、发热、腹痛,无妊娠或合并重症肝、肾、胰疾患,无消化性溃疡、肠炎的患者。该法主要用于胆固醇结石,且以层状浮动性...
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胆石症的治疗现状
...。 2 溶石疗法 2.1 口服用药 (1)鹅脱氧胆酸(CDCA)。1971年Thistale等报道CDCA能降低胆汁中胆固醇的饱和度。此后,开展了对此药的广泛研究。其最适剂量为13~15mg/kg*d,一日两次。但由于近年来发现其代谢产物具有肝脏...
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什么是口服溶石疗法?
...。目前临床最常用的口服溶石药物有两种:鹅去氧胆酸(CDCA)和熊去氧胆酸(UDCA)。其作用原理均在于,通过降低胆固醇的分泌使胆汁去饱和,然后利用不饱和胆汁的胆固醇溶解作用,使胆石表面的胆固醇分子不断地被溶解,胆石体...
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ExtracellularSignal-RegulatedKinase–DependentStabilizationofHepaticLow-DensityLipoproteinReceptormRNAbyHerbalMedicineBerberine
...nds,namelyphorbol12-myristate13-acetate(PMA),abileacidchenodeoxycholicacid(CDCA),andaderivativeoffibricacidgemfibrozilhavebeenreportedtoregulateLDLRexpressionbymechanismsinvolvingpost-transcriptionalevents.InPMA-treatedHepG2cells,themRNAlevelofLDLRwasrapidlyelevated.IncreasedstabilityofthemRNApartia...
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武汉植物园在狗牙根耐镉性鉴定及其与SSR标记的关联分析研究中取得进展
...联,其中与两个或两个以上性状相关联的位点31个,位点CDCA379–380-1和CDCA147-148-13同时与四个性状关联。校正后P<3.5×10-4水平下,检测到37个关联SSR位点,表型解释度最高达到了41%。以上研究获得了国家自然科学基金(No.31272194和No...
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ActivationofNuclearFactor(Erythroid-2Like)Factor2byToxicBileAcidsProvokesAdaptiveDefenseResponsestoEnhanceCellSurvivalattheEmergenceof
...rophobicsecondarybileacidproducedbycolonicmicrofloraonchenodeoxycholicacid(CDCA),isthemosttoxicbileacid,withgenotoxicandmutagenesis-enhancingproperties(Kawaleketal.,1983;Kozonietal.,2000).Inrodents,itinducesintrahepaticcholestasis-likehepatotoxicity(Staudingeretal.,2001),anditpromoteschemical-induce...
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什么是肝胆管结石的灌注溶石治疗?
...方胆汁酸制剂。以1%依地酸钠(EDTA—2Na)与1%~2%胆酸钠(或CDCA)配制成pH7.5~8.0的复方制剂。临床应用时每日1次经T管滴注,每次250ml,结石消失率约40%,有效率80%。副作用为腹泻、腹痛,疗程长亦是其缺点。 (3)复方桔油乳剂。以...
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哪些胆囊结石病人禁用口服溶石药物?
...发症,如胰腺炎、阻塞性黄疸及胆管炎等。 (2)孕妇,CDCA和UDCA均可通过胎盘屏障进入胎儿体内,目前尚未排除这两种药物对胎儿致畸的可能性。 (3)胆汁酸代谢紊乱,如严重肝病、阻塞性黄疸时。 (4)胃肠道溃疡或炎症...
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DownregulationofEndothelin-1byFarnesoidXReceptorinVascularEndothelialCells
...stine.19FXRisactivatedbybileacids(BAs),suchasprimaryBAchenodeoxycholicacid(CDCA).20InadditiontoBAs,syntheticFXRagonistshavealsobeenidentified.21ActivationofFXRcausesbothfeedbackinhibitionofcholesterol7-hydroxylase(CYP7A1),therate-limitingenzymeinBAbiosynthesisfromcholesterol,andactivationofintestina...
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哪些因素可以影响口服溶石的疗效?
...汁的过饱和状态。 (6)服药方法。有研究显示每日口服CDCA375mg,则两年结石全溶率为5%,而剂量增至750mg时两年结石全溶率则达27%。但应注意剂量大则副作用发生率高。此外,有人基于清晨胆汁胆固醇饱和度高的特点,将一日...
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胆囊结石有哪些非手术治疗方法?
...在临床上使用的口服溶石药物主要有两种:鹅去氧胆酸(CDCA)和熊去氧胆酸(VDCA)。这两种药物通过降低胆汁胆固醇的分泌使胆汁去饱和,不饱和胆汁则具有溶解胆固醇的作用,使胆石表面的胆固醇分子不断地被溶解,胆石体积逐渐...
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PNAS:斑马鱼研究T细胞发育
...的大量基因均发生失调。功能性和超显性研究表明mcm2和cdca7处于Foxn1下游,且在胸腺上皮细胞中mcm2是Foxn1的直接靶基因。最后,研究人员证实foxn1和mcm2变体(morphant)中的胸腺缺陷有可能是因为细胞增殖减少而非凋亡所致。这些...
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熊胆胶囊在热症眼病中的应用研究
...归胆、肝、心经,主要含熊去氧胆酸(UDCA)及鹅去氧胆酸(CDCA)2]。熊胆系传统中医中药宝库中的名贵药材,在《神农本草经》、《唐本草》及《本草纲目》中均有记载。经临床应用证实有清热解毒、明目、解痉作用、抗炎止痛功效。...
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TheMethylTransferasePRMT1FunctionsasCo-ActivatorofFarnesoidXReceptor(FXR)/9-cisRetinoidXReceptorandRegulatesTranscriptionofFXRResponsiveG
...rbileacids(BAs).FXRisboundtoandactivatedbybileacid,andchenodeoxycholicacid(CDCA)isthenaturalmostactiveligand.Uponactivation,FXRheterodimerizeswiththe9-cisretinoicXreceptor(RXR)andregulatesgenesinvolvedincholesterolandBAhomeostasis.6-EthylCDCA(6-ECDCA)isasyntheticBAthatbindsFXRandinducesgenetranscrip...
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老年性黄疸82例鉴别诊断分析
...性,对此种情况有人认为血清胆酸及胆酸/鹅去氧胆酸(CA/CDCA)比值测定、血清脂蛋白X定量分析及动态观察及B超、CT、MRI等影像学有助于二者鉴别。 3.6B超是黄疸鉴别的特异性、准确性较高的检查与CT、MRI等相比,B超无创伤性,...
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TheHumanOrganicAnionTransporter2GeneIsTransactivatedbyHepatocyteNuclearFactor-4andSuppressedbyBileAcids
...mediatedrepressionofgenetranscription,westudiedwhetherchenodeoxycholicacid(CDCA)suppresseshOAT2geneexpressionbyinhibitingHNF-4-mediatedtransactivation.TreatmentofHuh7cellswithCDCAorthesyntheticfarnesoidXreceptor(FXR)agonistGW4064decreasedmRNAandproteinlevelsandalsonuclearbindingactivityofHNF-4.TheFX...
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PhysiologicalDifferencesbetweenHumanandRatPrimaryHepatocytesinResponsetoLiverXReceptorActivationby3-[3-[N-(2-Chloro-3-trifluoromethylbenzyl)-(
...pressionofCYP7A1mRNAanalyzedbyqPCR.B,cholicacid(CA)andchenodeoxycholicacid(CDCA)levelsincellculturemedia.Datarepresenttheaverageofduplicatecellculturedisheswithcellsfromeachofthree(A)ortwo(B)donors.LXRSuppressesKeyGlycolyticGenes.Anticipateddose-dependentinsulinregulationofkeygenesintheglycolyticand...
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Lymphocytegeneexpressioninsubjectsfedalow-cholinedietdiffersbetweenthosewhodeveloporgandysfunctionandthosewhodonot
...d4ofthemostunderexpressedgenes.Primersforthese8genesFOXA1,PRAME,TERT,CDCA8,CHEK1,IL2RB,TNFAIP3,andNFKBIAwerepurchasedfromSuperArray(Frederick,MD)aswas18SrRNA,whichwasusedasthenormalizationgene.EqualamountsofRNAwerepooledfromallsubjectsatbaselineanddepletion,respectively.Forallgenesbutone...
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FXRDeficiencyCausesReducedAtherosclerosisinLdlr-/-Mice
...setissue.8FXRisactivatedbyspecificbileacidsthatincludechenodeoxycholicacid(CDCA)andcholicacid,9-11andalsostructurallyunrelatedsyntheticcompounds,suchasGW406412andfexaramine.13FXRplaysanimportantroleinmaintainingbileacid,cholesterol,triglyceride,andglucosehomeostasis.12,14-18Importantly,plasmacholest...
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FarnesoidXReceptorLigandsInhibitVascularSmoothMuscleCellInflammationandMigration
...isnowrecognizedasabileacidreceptorwithligandsincludingchenodeoxycholicacid(CDCA)anddeoxycholicacid(DCA).11SyntheticFXRligandshavealsobeenidentified,suchasGW4064and6-ethyl-chenodeoxycholicacid(6ECDCA).12,13FXRactivationleadstoinductionofanorphannuclearreceptor,smallheterodimerpartner(SHP),thatmediate...
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APregnaneXReceptorAgonistwithUniqueSpecies-DependentStereoselectivityandItsImplicationsinDrugDevelopment
...sfectionassay(datanotshown).Likewise,FXRwasactivatedbychenodeoxycholicacid(CDCA),asexpected,butnotbyracemicS20,whentheFXR-responsivetk-EcRE-Lucreporterwascotransfected(Fig.3F).S20InducestheExpressionofDrug-MetabolizingEnzymesandTransportersinReporterGeneAssays,inHumanHepatocytes,andin“Humanized“...
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Impairednegativefeedbacksuppressionofbileacidsynthesisinmicelacking?Klotho
...shownatthetop.Miceweresacrificedattheendofeachregimen.EffectsofdietaryCAandCDCAontheexpressionofCyp7a1,Cyp8b1,andShpwereexamined.TotalRNA(30μg)fromtheliverwassubjectedtoNorthernblotanalysis.Themeanvaluesobtainedfrom6independentanimalsforeachgroupareshown.ErrorbarsindicateSD.*P0.05.Sincebileacidmeta...
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ConjugatedBileAcidsRegulateHepatocyteGlycogenSynthaseActivityInVitroandInVivoviaGiSignaling
...tussistoxin(PTX,300ng/ml)16hbeforebileacidexposure.CellswerethentreatedwithCDCA,taurochenodeoxycholicacid,andglycochenodeoxycholicacid(100µMeach).Cellswereisolated20minaftertreatmentandpreparedforSDS-PAGE,andimmunoblottingwasperformedtodeterminethephosphorylationofAKT(Ser473).Dataarefromarepre...
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TheFarnesoidXReceptorPromotesAdipocyteDifferentiationandRegulatesAdiposeCellFunctioninVivo
...iposetissueandthatthesyntheticFXRligandINT-747[6-ethylchenodeoxycholicacid(CDCA)]promotesadipocytesdifferentiationandlipidstorage.Inaddition,wedemonstratedthatinvivoadministrationofINT-747providesarobustinductionofFXRtargetgenesintheadiposetissueofwild-typemicebutnotinFXR-/-mice.Together,thesedataid...
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TheFarnesoidXReceptor
...isandInbornErrorsinPrimaryBileAcidSynthesisOriginally,chenodeoxycholicacid(CDCA),themostpotentnaturalagonistofhumanFXR(Figure1),wasevaluatedtotreateithergallstonediseaseorhypertriglyceridemia(Table2).However,sideeffectslikelivertoxicityanddiarrhealedtothewithdrawalofthecompoundfromclinicalapplicatio...
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第八章 胆胰疾病--第一节 胆囊炎、胆石症
...饮食调节,多能控制发作。文献报导:采用去氧鹅胆酸(CDCA)、熊脱氧胆酸(UDCA)行溶石治疗,可使部分胆囊结石缩小或消失,但用药时间长(一般需半年~1.5年),大量应用能损害肝脏,停药后结石又可复发,故对合适病...