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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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子宮肌瘤組織及血清鋅、銅含量的觀察
...鹽水沖洗血液後取適量稱溼重,以高氯酸+鹽酸(1∶4)在SD404-24-4型電熱板上加溫(1.6kW)消化至透明,用容量瓶精確定容後備用。 1.4元素含量測定鋅元素含量測定採用雙硫腙絡合法,銅元素含量測定採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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鋁致Alzheimer病對尿中微量元素排出的影響
...、鋅、錳、硒、鎘等在尿中排出的影響。方法:雌性健康SD大鼠29只,隨機分爲卵巢假切組(sham組)、卵巢切除組(ovx組)、卵巢切除合併慢性鋁中毒組(ovx+AL3+組)、卵巢切除合併慢性鋁中毒及尼爾雌醇灌胃組(ovx++AL3++E2組)。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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作用時間對指血和靜脈血微量元素檢測的影響
...量,以μg/ml表示。 1.5統計方法實驗結果採用mean±SD,應用t檢驗。 2結果 2.1各元素不同部位測定結果見表2。 2.2靜脈血各元素在不同時間點測定結果見表3。 表2各元素不同部位測定結果(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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第二節 電極電位
...位 一、原電池 將鋅片插入CuSO4溶液中,鋅片上的Zn原子失去電子成爲Zn2+而溶解;溶液中的Cu2+得到電子成爲金屬Cu在鋅片上析出,即發生如下的氧化還原反應: 反應中電子從鋅原子轉移給銅離子。由於鋅片和硫酸銅溶...
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黃白液對RGH患者精液中微量元素Zn、Cu的影響
EffectofHuangbaiyeonthetraceofZnandCuinthespermofrecurrentgenitalherpespatients. DAIYong-jiang,YANGZhi-bo,DENGBin,etal. (DepartmentofDermatosis,AffiliatedHospitalofHainanMedi-calCollege,Haikou570102,Hainan,P.R.China)摘要:目的觀察黃白液治療男性複發性生殖...
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胃癌患者頭髮元素的分析
...對53例胃癌患者做單根頭髮中Mg、Al、Cd、Ca、Cr、Fe、Cu、Zn、Pb、Mn、Se11種元素分析。結果胃癌患者頭髮中Se和Zn含量明顯低於正常人。結論分析結果可作爲胃癌早期診斷的參考指標。關鍵詞胃癌頭髮微量元素電子探針Ananalysisonmeasur...
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研究發現秀麗線蟲精子活化的調控機制
...線蟲的精子成熟過程中,生殖道上皮細胞分泌的微量元素Zn2+作爲內源性活化因子依賴於SPE-8信號通路促進精子的成熟。減數分裂後形成的精子只有經過活化後方能形成具有運動和受精能力的成熟精子細胞。模式生物秀麗隱杆線蟲...
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高血壓病患者微量元素與動態血壓的關係
...明顯高於對照組,且非勺型者明顯多於對照組;血清Fe、Zn含量及Zn/Cu比值均顯著高於健康對照組,且與血壓負荷值呈正相關,Cu、Mg含量則明顯低於健康對照組,與血壓水平及24h平均舒張壓、白晝平均舒張壓、夜間平均舒張壓、...
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維生素A鋅鐵及其聯合應用對維生素A缺乏的影響
...常對照組差異均無統計學意義。1/3劑量組中的1/3維生素A+Zn組血清維生素A高於其他組,與全劑量組各組和正常對照組差異無統計學意義;其體重增加、總攝食量和攝食效率也與全劑量組各組和正常對照組差異無統計學意義。結論...
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晉中市兒童手指全血與5種微量元素的測定分析及含量調查
...種簡便、快捷、準確、微量測定手指全血中微量元素Cu、Zn、Fe、Ca、Mg含量的方法。同時調查晉中市2~13歲健康兒童微量元素的含量。從而爲建立本地區參考值範圍提供理論依據。方法採用北京博暉創新光電技術服務有限公司生...
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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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反覆呼吸道感染患兒血清微量元素的變化及其臨牀意義
...鋅降低(P<0.05),血銅升高(P<0.05);RRTI患兒血清Cu/Zn、Cu/Fe、Ca/Mg比值升高,差異有顯著性。結論血清鐵、鋅、銅的變化可能與RRTI的發作有關,在RRTI的防治中應注意微量元素的平衡,適當補充鐵、鋅製劑。[關鍵詞]呼吸...
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碘以外微量元素與甲狀腺功能亢進之間關係的研究進展
...,甲亢患者血清Cu2+明顯高於對照組,Fe3+略高於對照組,Zn2+明顯低於對照組,K+和Ca2+在兩組間的差異則無統計學意義,認爲給甲亢患者補充適量的鋅有助於該病恢復[2]。在研究甲亢患者血清微量元素銅、鋅、銅/鋅比值的變化及...