IBL/生长抑素C放射免疫分析(CT)(IGF-1)/MG11161/
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3392242852
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4000-520-616
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商品介绍
Kitsize | 96 |
Method | RIA(CT) |
Incubationtime | 1x18h |
Standardrange | 0.45-47ng/mL |
Specimen/Volumes | 100µLserum,plasma/extraction |
Substrate/isotope | 125I<145kBq |
RegulatoryStatus: | EU:CE |
Detailsfor: SomatomedinCRIA(CT)(IGF-1)
Insulin-likegrowthfactorI(IGF-I)isapolypeptideof70aminoacids(7650daltons),andisoneofanumberofrelatedinsulin-likegrowthfactorspresentinthecirculation.Themoleculeshowsapproximately50%sequencehomologywithproinsulinandhasanumberofbiologicalactivitiessimilartoinsulin.Thepeptideisgrowthhormone(GH)dependenttoahighdegree,butthereisgrowingevidenceofGH-independentsecretion.IGF-Ihasnumerousgrowth-promotingeffects,includingmitogeniceffectsandthepromotionofcartilagesulphation.Italsomediatesgrowthpromotingactionsofgrowthhormoneonskeletalandotherbodyfluids.Almostall(>95%)ofserumIGF-IcirculatesboundtospecificIGFbindingproteins,ofwhichsixclasses(IGF-BPs1-6)arenowrecognised.BP3isthoughttobethemajorbindingproteinofIGF-I,formingaternarycomplexof140000daltonswithIGF-Iandanacid-lABIlesub-unit.ThemeasurementofserumIGF-Iisofrecognisedvalueinchildrenwithgrowthdisordersandinthediagnosisandmonitoringofacromegaly.IGF-Iconcentrationschangewithage,nutritionalstatus,bodycompositionandgrowthhormonesecretion.AsinglebasalIGF-Ideterminationisusefulintheassessmentofshortstatureinchildrenandinnutritionalsupportstudiesofacutelyillpatients.Forthediagnosisofacromegaly,asingleIGF-IdeterminationisconsideredmorereliablethanarandomGHdetermination.
ForconcretedatapleaseconsulttheInstructionforUseinthedownloadboxontherightside.品牌介绍
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