ConstitutiveHedgehogSignalinginChondrosarcomaUp-RegulatesTumorCellProliferation
...rogrammedcelldeath.IndianHedgehog(IHH)andparathyroidhormone-relatedprotein(PTHrP)arepartofanegativefeedbackloopthattightlyregulatesthefateofgrowthplatechondrocytes.PrehypertrophicandhypertrophicchondrocytesexpressIHH,whichstimulatesgrowthplatechondrocytestoproliferate.Hedgehog(HH)activatesGLI-mediat...
医源资料库;在线期刊;美国病理学杂志;2006年第168卷第1期Relativebioavailabilityofcalcium-richdietarysourcesintheelderly
...9;calciumsupplementscalcium-citratemalatecalciumcarbonatePTHsuppressiontestboneresorptionelderlycalciumbioavailabilityparathyroidhormoneINTRODUCTIONAlargebodyofresearchsuggeststhatahighcalciumintakethroughoutlifeisnecessarytoattainpeakbonemassandtominimizebo...
医源资料库;在线期刊;美国临床营养学杂志;2002年76卷第6期Moderateenergyrestrictionincreasesboneresorptioninobesepostmenopausalwomen
...bodyweight(WMgroup).Bodyweight,boneturnovermarkers,serumparathyroidhormone(PTH),anddietaryintakeweremeasuredthroughoutthestudy.Total-bodyBMD,sexhormonebindingglobulin,leptin,andestroneweremeasuredatbaselineandatweek25.Results:IntheWLgroup,bodyweightdecreasedby10.2±5.5%(P0.001),bodyfatmassdecrea...
医源资料库;在线期刊;美国临床营养学杂志;2001年73卷第2期ReturntoEctopia
...ainoxidizedlipoproteinsandisoprostanes,sodiumphosphatecotransporters,RANKL,PTH,matrixGLAprotein,fibrillin,pyrophosphateandenzymesproducingit,bisphosphonates,tumornecrosisfactor-alpha,oxysterols,osteoprotegerin,insulin-likegrowthfactor,highdensitylipoprotein,interleukins,1,25-dihydroxyvitaminD,transf...
医源资料库;在线期刊;动脉硬化血栓血管生物学杂志;2005年第25卷第7期ToolittlevitaminDinpremenopausalwomen:whyshouldwecare?
...ey(whichprovidedthedatafortheirstudy)didnotmeasureeitherparathyroidhormone(PTH)ortheactivemetaboliteofvitaminD,1,25-dihyroxyvitaminD[1,25(OH)2D].ItwasunfortunatethatthePTHconcentrationswerenotmeasuredbecausePTHisthemostsensitiveindicatorofcalciumhomeostasisandvitaminDdeficiency(35).Itwouldnoth...
医源资料库;在线期刊;美国临床营养学杂志;2002年76卷第1期Centralcontrolofrenalsodium-phosphate(NaPi-2)transporters
...rat)areregulatedbyfactorsthatcontrolPihomeostasis,suchasparathyroidhormone(PTH)(7,9,14)dietaryPicontent(14,16,20),growthhormone(22),thyroidhormone(2),glucorticoids(8),metabolicacidosis(3),andage(18,22).Interestingly,theserenal-typetransportershavebeenidentifiedinratbrain(4,5,15),buttheirpurposeandwh...
医源资料库;在线期刊;美国生理学杂志;2004年第287卷第4期VitaminDrequirementsduringpregnancy
...ion,decreasesrenalcalciumexcretion,and,inconjunctionwithparathyroidhormone(PTH),mobilizescalciumfrombone.Serum25(OH)DconcentrationsareoftenusedasanindicatorofvitaminDstatus;although25(OH)Dispresentinseruminnanogramamountsand1,25(OH)2Dispresentinpicogramamounts,long-termvitaminDdeficiencycanresultini...
医源资料库;在线期刊;美国临床营养学杂志;2004年80卷第6期Alcoholintakeandbonemetabolisminelderlywomen
...effect(11).Inaddition,calcitropichormones,includingserumparathyroidhormone(PTH)andvitaminDmetabolites,werereportedtobealteredbyalcoholconsumption(12,13).Thereareconflictingreportsintheliteratureregardingtheeffectofmoderatealcoholconsumptiononbone.Someresearchersdidnotfindapositiveassociationbetweenm...
医源资料库;在线期刊;美国临床营养学杂志;2000年72卷第5期Riskfactorsforlowserum25-hydroxyvitaminDconcentrationsinotherwisehealthychildrenandadolescents
...d1700todetermineserumconcentrationsof25(OH)D,1,25(OH)2D,parathyroidhormone(PTH),andbone-specificalkalinephosphatase(BSAP).Theserumwasstoredinaliquotsat70°Candshippedinbatchesforanalysis(QuestDiagnosticsNicholsInstitute,SanJuanCapistrano,CA).Serum25(OH)Dwasanalyzedby125I-labeledradio...
医源资料库;在线期刊;美国临床营养学杂志;2007年86卷第1期基质金属蛋白酶与骨改建
...是成骨细胞诱导破骨细胞骨吸收的中介因子之一。另外,PTH对骨吸收的诱导作用必须依赖胶原酶对I型胶原的裂解。Zhao等[2]的研究表明PTH直接作用于成骨细胞和基质细胞促进间质胶原酶转录和合成。从而间接促进破骨细胞的分...
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