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InhibitionofapoptosisbyZn2+inrenaltubularcellsfollowingATPdepletion
...atminocycline,atetracyclinederivative,mayupregulateBcl-2toattenuateapoptosisduringrenalischemia-reperfusionandpreserverenalfunction(51).Mechanistically,tubularcellapoptosisduringischemia-reperfusionmayfollowtwomajorpathways.Intheextrinsicpathway,ligandbindingofdeathreceptorsleadstooligomerizationoft...
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Zincabsorptionfromlow-phytatehybridsofmaizeandtheirwild-typeisohybrids
...tmentofPediatrics,SectionofNutrition(KMH,JWH,GKG,JLW,LS,LVM,andNFK),andtheUSDepartmentofAgriculture/AgriculturalResearchService,NationalSmallGrainsGermplasmResearchFacility,Aberdeen,ID(VRandJAD).2SupportedinpartbytheUSDA/ARS(NRICGPno.9900663),theGlobalNetwork(1U01HD40657),CNRU#5P30DK48520,andtheThra...
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子宫肌瘤组织及血清锌、铜含量的观察
...盐水冲洗血液后取适量称湿重,以高氯酸+盐酸(1∶4)在SD404-24-4型电热板上加温(1.6kW)消化至透明,用容量瓶精确定容后备用。 1.4元素含量测定锌元素含量测定采用双硫腙络合法,铜元素含量测定采用二乙基二硫代氨基甲...
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Zincabsorptionasafunctionofthedoseofzincsulfateinaqueoussolution
...ign:Eighthealthyadults(3menand5women)aged33.8±9.8y(Results:Mean(±SD)AZvaluesatdosesof2.2,5.2,10.4,15.2,20.3,and30.1mgingestedZnwere1.6±0.4,3.5±1.3,7.4±1.0,9.5±2.2,11.0±4.4,and11.2±2.1mg,respectively.Asaturabledose-responsemodel,theHillequation,wasselectedtomod...
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Ironsupplementsinhibitzincbutnotcopperabsorptioninvivoinileostomysubjects
...ionofzincandcopperinhumans.Design:Elevensubjectswithanileostomy[mean(±SD)age:55±9y]ingestedastable-isotope-labeledzincandcoppersolutioncontaining12mgZn(66Znand67Zn)and3mgCu(65Cu)inthepresenceof0,100,or400mgFeasferrousgluconateon3respectivetestdays.Subsequently,1mg70Znwasinjectedintravenous...
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ZincabsorptioninGuatemalanschoolchildrenfednormalorlow-phytatemaize
...sityofColoradoHealthSciencesCenter,Denver,CO(KMH,NFK,JEW,SL,andGKG);andtheUSDepartmentofAgriculture,AgriculturalResearchService,Aberdeen,ID(VR)2SupportedbytheThrasherResearchFundandtheInternationalAtomicEnergyAgencyResearchcontract11069-RO.AlsosupportedinpartbyCNRU#5P30DK48520andtheNIH,GlobalNetwork...
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铝致Alzheimer病对尿中微量元素排出的影响
...、锌、锰、硒、镉等在尿中排出的影响。方法:雌性健康SD大鼠29只,随机分为卵巢假切组(sham组)、卵巢切除组(ovx组)、卵巢切除合并慢性铝中毒组(ovx+AL3+组)、卵巢切除合并慢性铝中毒及尼尔雌醇灌胃组(ovx++AL3++E2组)。收...
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LongitudinalmeasurementsofzincabsorptioninPeruvianchildrenconsumingwheatproductsfortifiedwithirononlyorironand1of2amountsofzinc
...n-0,Zn-3,andZn-9,respectively,duringtheinitialabsorptionstudies;mean(±SD)FAZvalueswere0.341±0.111,0.237±0.052,and0.133±0.041,respectively,ondays23(P0.001)anddidnotchangesignificantlyondays5152inthesubsetof31childrenstudiedtwice.MeaninitialAZwaspositivelyrelatedtozinci...
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Dysprosiumasanonabsorbablefecalmarkerinstudiesofzinchomeostasis
...40765)andtheBillandMelindaGatesFoundation;aNationalResearchInitiativeoftheUSDACooperativeStateResearch,EducationandExtensionService(grantnumber2003-352200-13673);GCRCM01RR00051;andtheDepartmentofChildHealthCare,Xin-HuaHospital,ShanghaiChildren‘sMedicalCenter,ShanghaiSecondMedicalUniversity.3Reprin...
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Acommunity-basedrandomizedcontrolledtrialofironandzincsupplementationinIndonesianinfants:effectsongrowthanddevelopment
...singlemicronutrientsongrowth,psychomotordevelopment,andincidenceofinfectiousdisease.Design:Indonesianinfants(n=680)wererandomlyassignedtodailysupplementationwith10mgFe(Fegroup),10mgZn(Zngroup),10mgFeand10mgZn(Fe+Zngroup),orplacebofrom6to12moofage.Anthropometricindexes,developmentalindexes(BayleyScal...
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ZincabsorptionduringlatepregnancyinruralsouthernEthiopia
...imatedfromfundalheightbytheBushuloHealthCenterprenataloutreachprogram.FAZwasdeterminedwithadual-isotopetracerratiotechniquethatusesmeasurementsofurineenrichmentwithzincstableisotopesadministeredintravenouslyandorally,asanextrinsiclabel,withallmealsin1d.Totaldietaryzinc(TDZ)wascalculatedfromweigheddi...
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Exchangeablezincpoolsizeatbirthissmallerinsmall-for-gestational-agethaninappropriate-for-gestational-agepreterminfants
...nfantsaresusceptibletopostnatalzincdeficiency,butwhetherthissusceptibilityisduetointrauterinefactorsortohighpostnatalgrowthrequirementsisunknown.Objective:Wehypothesizedthatthesizeoftheexchangeablezincpool(EZP),whichreflectsmetabolicallyavailablezinc,wouldbesmallerinSGAthaninappropriate-for-gestatio...
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SodiumironEDTA[NaFe(III)EDTA]asafoodfortificant:erythrocyteincorporationofironandapparentabsorptionofzinc,copper,calcium,andmagnesiumfrom
...tonotethatthebioavailabilityofironcompoundsusedinfoodfortificationprogramsisdependentonthepresenceofenhancersandinhibitorsinthediet.Thus,ironabsorptionfromhighlybioavailableironcompoundscanbelowfromproductsbasedoncerealsandsoybecauseofthepresenceofphyticacid(3,4).Ascorbicacidhasbeenshowntobeapotente...
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作用时间对指血和静脉血微量元素检测的影响
...量,以μg/ml表示。 1.5统计方法实验结果采用mean±SD,应用t检验。 2结果 2.1各元素不同部位测定结果见表2。 2.2静脉血各元素在不同时间点测定结果见表3。 表2各元素不同部位测定结果(略) 表3各元素...
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Folicacidenrichmentofbreaddoesnotappeartoaffectzincabsorptioninyoungwomen
...anderythrocytefolateandplasmahomocysteineconcentrations.Results:Mean(±SD)zincabsorptiondidnotdiffersignificantlyinrelationtothefolatecontentofthebreadsateitherthelowzinccontent(38.8±13.5%and40.6±16.5%forAandB,respectively;P=0.74)orthehighzinccontent(26.7±9.3%and22.7±6.6%forC...
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MicroparticlesofHumanAtheroscleroticPlaquesEnhancetheSheddingoftheTumorNecrosisFactor-ConvertingEnzyme/ADAMSubstratesTumorNecrosisFactorand
...whethertheseMPswouldaffectTNFandTNFR-1cellularshedding.Flowcytometryanalysisdetected12,867??2007TACE/ADAM17+MPs/mgofplaquesisolatedfrom25patientsundergoingendarterectomybutnoneinhealthyhumaninternalmammaryarteries.PlaqueMPsharboredmainlymatureactiveTACE/ADAM17anddosedependentlycleavedapro-TNFmimetic...
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ZinchomeostasisinMalawianchildrenconsumingahigh-phytate,maize-baseddiet
...).2SupportedbytheAllenFoundation,UniversityofOtago,NewZealand,andbyNIHgrantsDK02240andDK48520.3AddressreprintrequeststoMJManary,DepartmentofPediatrics,StLouisChildren‘sHospital,OneChildren‘sPlace,StLouis,MO63110.E-mail:manary{at}kids.wustl.edu.ABSTRACTBackground:Zincdeficiencyinchildrenisanimpor...
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Zincabsorptionfromalowphyticacidmaize
...iversityofColoradoHealthSciencesCenter,Denver(CLA,MH,LS,JLW,andNFK),andtheUSDepartmentofAgriculture,AgriculturalResearchService,NationalSmallGrainsGermplasmResearchUnit,Aberdeen,ID(VRandJAD).2SupportedbyUSDANRICGPproject9900663,ClinicalNutritionResearchUnitP30-DK48520,andGeneralClinicalResearchUnitM...
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Glycomacropeptideand-lactalbuminsupplementationofinfantformulaaffectsgrowthandnutritionalstatusininfantrhesusmonkeys
...ormula;13)and2)providingbetterdefenseagainstinfection(4).Becauseofthisdisparity,thereisinterestinimprovingthequalityofinfantformulasothatformula-fedinfantsmayobtainsomeofthehealthbenefitscurrentlyattainedbybreastfedinfants.Advancesindairytechnologyhavenowmadeitpossibletosupplementinfantformula...
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第二节 电极电位
...位 一、原电池 将锌片插入CuSO4溶液中,锌片上的Zn原子失去电子成为Zn2+而溶解;溶液中的Cu2+得到电子成为金属Cu在锌片上析出,即发生如下的氧化还原反应: 反应中电子从锌原子转移给铜离子。由于锌片和硫酸铜溶...
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黄白液对RGH患者精液中微量元素Zn、Cu的影响
EffectofHuangbaiyeonthetraceofZnandCuinthespermofrecurrentgenitalherpespatients. DAIYong-jiang,YANGZhi-bo,DENGBin,etal. (DepartmentofDermatosis,AffiliatedHospitalofHainanMedi-calCollege,Haikou570102,Hainan,P.R.China)摘要:目的观察黄白液治疗男性复发性生殖...
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胃癌患者头发元素的分析
...对53例胃癌患者做单根头发中Mg、Al、Cd、Ca、Cr、Fe、Cu、Zn、Pb、Mn、Se11种元素分析。结果胃癌患者头发中Se和Zn含量明显低于正常人。结论分析结果可作为胃癌早期诊断的参考指标。关键词胃癌头发微量元素电子探针Ananalysisonmeasur...
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研究发现秀丽线虫精子活化的调控机制
...线虫的精子成熟过程中,生殖道上皮细胞分泌的微量元素Zn2+作为内源性活化因子依赖于SPE-8信号通路促进精子的成熟。减数分裂后形成的精子只有经过活化后方能形成具有运动和受精能力的成熟精子细胞。模式生物秀丽隐杆线虫...
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高血压病患者微量元素与动态血压的关系
...明显高于对照组,且非勺型者明显多于对照组;血清Fe、Zn含量及Zn/Cu比值均显著高于健康对照组,且与血压负荷值呈正相关,Cu、Mg含量则明显低于健康对照组,与血压水平及24h平均舒张压、白昼平均舒张压、夜间平均舒张压、...
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维生素A锌铁及其联合应用对维生素A缺乏的影响
...常对照组差异均无统计学意义。1/3剂量组中的1/3维生素A+Zn组血清维生素A高于其他组,与全剂量组各组和正常对照组差异无统计学意义;其体重增加、总摄食量和摄食效率也与全剂量组各组和正常对照组差异无统计学意义。结论...
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晋中市儿童手指全血与5种微量元素的测定分析及含量调查
...种简便、快捷、准确、微量测定手指全血中微量元素Cu、Zn、Fe、Ca、Mg含量的方法。同时调查晋中市2~13岁健康儿童微量元素的含量。从而为建立本地区参考值范围提供理论依据。方法采用北京博晖创新光电技术服务有限公司生...
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Effectofcataractextractiononfrequencydoublingtechnologyperimetryinpatientswithglaucoma
...3monthsaftersurgery.Changesinmeandeviation(MD)andpatternstandarddeviation(PSD)wereevaluated.Additionally,changesinbestcorrectedlogMARvisualacuity(VA),intraocularpressure(IOP),andnumberofglaucomamedicationswerealsostudied.Results:22patientscompletedthestudy.VAimprovedaftersurgery,from0.47(SD0.19)to0....
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Effectofamicronutrientfortificantmixtureand2amountsofcalciumonironandzincabsorptionfromaprocessedfoodsupplement
...withtheabsorptionofironandzinc(15,16).Thus,itisnotcertainwhetherfoodproductsdesignedforyoungchildreninthesesettingsshouldbefortifiedwithadditionalcalciumorwhethersuchfortificationmightadverselyaffectironandzincabsorption.ThePeruviangovernmentiscurrentlyprovidingpreschoolchildren(636moofage)wit...
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反复呼吸道感染患儿血清微量元素的变化及其临床意义
...锌降低(P<0.05),血铜升高(P<0.05);RRTI患儿血清Cu/Zn、Cu/Fe、Ca/Mg比值升高,差异有显著性。结论血清铁、锌、铜的变化可能与RRTI的发作有关,在RRTI的防治中应注意微量元素的平衡,适当补充铁、锌制剂。[关键词]呼吸...
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碘以外微量元素与甲状腺功能亢进之间关系的研究进展
...,甲亢患者血清Cu2+明显高于对照组,Fe3+略高于对照组,Zn2+明显低于对照组,K+和Ca2+在两组间的差异则无统计学意义,认为给甲亢患者补充适量的锌有助于该病恢复[2]。在研究甲亢患者血清微量元素铜、锌、铜/锌比值的变化及...