Kitsize | 12x8 |
Method | ELISA |
Incubationtime | 1x1h,2x30min |
Standardrange | 93.75-2000pg/mL |
Specimen/Volumes | 100µlserum,EDTA-plasma |
Substrate/isotope | TMB450nm |
RegulatoryStatus: | Forresearchuseonly |
α-Klotho,namedaftertheGreekGoddessofFate,Clotho,whospinsthethreadoflife,wasoriginallycharacterizedasanagingsuppressorgene.OurELISAisperfectlysuitedforthemeasurementoftheproductofthisgene-theα-Klothoprotein.α-Klothoisalsoknownasthemessengerofhealthybodies(FantuzziGFrontImmunol.2014Jul21;5:351).
Adefectinklothogeneexpressioninthemouseresultsinasyndromethatresembleshumanageing,includingashortLifespan,infertility,arteriosclerosis,skinatrophy,osteoporosisandemphysema.Theabsenceofα-Klotholeadstoasubstantiallylowerbonedensitythanusual(Kuro-oMetal.Nature.1997Nov6;390(6655):45-51).
Sincethediscoveryofα-Klotho,whichwasdescribedinthepublicationmentionedabove,severalresearchareashaveemergedwhichbenefitfromthedeterminationofα-Klothointermsofgainingvaluableadditionalinformation:
α-KlothoandFGF23arethemainmediatorsofcalciumandphosphatehomeostasis.Anykindofdisturbanceinthisregard,suchasareducedorincreasedproductionofα-Klotho,leadstometabolicbonedisorders(JohnGBetal.AmJKidneyDis.2011Jul;58(1):127-34).
Itisalreadyknownthatα-Klotholevelsinblooddecreasewithage(YamazakiYetal.BiochemBiophysResCommun.2010Jul30;398(3):513-8).Lowα-klotholevelsareoftenassociatedwithage-relateddiseases.
Theoutcomesofresearchintheareasofbonemetabolismandaging,aswellasthefactthatα-Klothoisproducedexclusivelyinthekidneysandbrain,havepromptedinvestigationsintotheimpactofchangesinα-Klotholevelsinrenaldisease.Studieshaverevealedthatα-klotholevelsaresignificantlydecreasedintheserumalreadyatanearlystageinchronickidneydisease(PavikIetal.NephrolDialTransplant.2013Feb;28(2):352-9).Sincechronickidneydiseasefrequentlyoccurssecondarytoothermedicalconditions,α-KlothoisreceivingincreasingattentionasaMarkeroftheoccurrenceofchronickidneydiseaseinprimarydiseasessuchastype2diabetes(LeeEYetalPLoSOne.2014Aug1;9(8):e102984),wherebythesamplematerialshouldbenoted(seeimagebelow).
FurThermore,α-Klothoisgainingincreasingattentionasaplayerinmanyimmunologicalprocesses,whichisreflectedintheincreaseofpublicationsonα-Klotho.
Separatecontrolsetavailableonrequest
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