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抗体:涉及肿瘤、自身免疫、过敏、心血管疾病、传染病、代谢、神经科学抗体
℡ 4000-520-616
℡ 4000-520-616
Everest Biotech/pAKT Ser473 Immunohistochemistry Kit 10 slides/3100100105/10 slides
产品编号:3100100105
市  场 价:¥3473.60
场      地:美国(厂家直采)
联系QQ:1570468124
电话号码:4000-520-616
邮      箱: info@ebiomall.com
美  元  价:$334.00
品      牌: Everest Biotech
公      司:Everest Biotech
公司分类:
Everest Biotech/pAKT Ser473 Immunohistochemistry Kit 10 slides/3100100105/10 slides
商品介绍

AKT,alsoknownasproteinkinaseB(PKB),isa57kDaserine/threonineproteinkinase.TherearethreemammalianisoformsofAkt:AKT1(PKBalpha),AKT2(PKBbeta)andAKT3(PKBgamma).Eachisoformhasapleckstrinhomology(PH)domain,akinasedomainandacarboxyterminalregulatorydomain.AKTisakeyregulatorofmanysignaltransductionpathwaysandmediatesmanyofthedownstreameventsofphosphatidylinositol3kinase.AktisactivatedbyphospholipidbindingandactivationloopphosphorylationatThr308byPDK1andbyphosphorylationwithinthecarboxyterminusatSer473bymammaliantargetofrapamycin(mTOR)inarapamycin-insensitivecomplexwithrictorandSin1.Aktpromotescellsurvivalbyinhibitingapoptosisthroughphosphorylationandinactivationofseveraltargets,includingBad,forkheadtranscriptionfactors,c-Rafandcaspase-9.AnotheressentialAktfunctionistheregulationofglycogensynthesisthroughphosphorylationandinactivationofGSK-3αandβ.AktisinvolvedincellcycleregulationbypreventingGSK-3βmediatedphosphorylationanddegradationofcyclinD1andbynegativelyregulatingthecyclindependentkinaseinhibitorsp27Kipandp21Waf1/CIP1.

Imageshowsimmunohistochemicalstainingofparaffin‐embeddedhumanbreastcancerxenografttumorsectionstainedwithAKTSer473antibodyusingtheEtonBio’sAKTSer473IHCKit(CatNo.3100100105).AKTSer473(darkbrown)displaysatumorcellstainingpattern(20X,counterstainedwithhematoxylin).

KitContents

Reagentsprovidedinthekit

Thematerialslistedaresufficientfor20tests.Thenumberoftestsisbasedontheuseof200μLeachofreadytousereagentperslide.

PositiveControlSlides

Onehumanrenalcarcinomaslides

BlockingBuffer

400μl10XNon-specificblockingbuffer

Diluteat1:10usingdistilledwaterpriortostaining;unusedworkingsolutionmaybestoredat4°Cfor3month.

EquilibriumBuffer

EquilibriumBuffer

Readytousereagent

Rabbitanti-pAKT473antibody

Rabbitanti-pAKT473antibody

DiluteinAntibodyDiluentsimmediatelybeforeuse(recommenduseat1:50dilution).

AntibodyDiluent

AntibodyDilutent

Readytousereagent

WashBuffer

TrisbufferedsalinewithTween20(pH7.6)

Diluteat1:20usingdistilledwaterpriortostaining;unusedworkingsolutionmaybestoredat4°Cfor3month.

RabbitHRPPolymer

RabbitHRPPolymer

Readytousereagent

DABsubstratebuffer

10XDABsubstratebuffer

HydrogenPeroxide(H2O2)forDABsubstratebuffer

0.3%HydrogenPeroxidesolution

DABChromogen

Diaminobenzedinetetrahydrochloride(DAB)substratesolution(DonotexposeDABcomponentstodirectorbrightlightduringstorageandstainingprocess).

Materialsrequiredbutnotincludedinthekit

Reagents:

Xylene

Ethanol

EndogenousPeroxidaseBlockingSolution(3%HydrogenPeroxide)

Hematoxylin

Mountingmedia

Distilledordeionizedwater

AntigenRetrievalBuffer(10X)0.1MCitrateBuffer(pH6.0)

LabEquipment:

Steamerormicrowaveoven(forantigenretrieval)

PAPpenforrestrainingreagentsonslides

Moistchamberforslidesincubationwithstainingreagents

Generallabequipmentforimmunohistostainingsuchasslideracks,stainingjars,coverslips,timer,Pipettes,etc.Microscopeequipmentandaccessories

StorageandstABIlity

StorePAKT473IHCKitsat28°C.Thekitisstableforsixmonthsat4°C.Donotuseafterexpirationdate.

Precautions

Takereasonableprecautionswhenhandlingreagents.UsedisposablegloveswhenhandlingsUSPectedcarcinogensortoxicmaterials(examples:DAB,xyleneandH2O2).Unusedsolutionshouldbedisposedaccordingtoapplicablelocal,stateandfederalregulations.

ThePAKT473ImmunohistostainingKithasbeendesignedforthestainingoftissuesthathavebeenfixed(usuallyinneutralbufferedformalin)andsubsequentlyembeddedinparaffinbeforesectioning.Thisprotocolisrecommendedasastartingpointandoptimizationbytheindividualendusermayberequired.

Note:

Donotallowspecimenstodryduringthestainingprocedure.Specimendryingmaycauseincreasednonspecificstainingandbackground.

Sometissuemayneedtobaketoremoveovercoveredparaffinpriortotheprocedure.Ifneeded,bakeat5560°Cfor30minutes.

I.Deparaffinizationandrehydration

Priortostaining,tissuesectionsmustbedeparaffinizedandrehydrated.Incompleteremovalofparaffincancausepoorstainingofthesection.Usepositivecontrolslideprovidedinthekitforqualitycontrolandtrouble-shootingpurpose.

1.Immerseslidesinxyleneandincubatefor5minutes.Repeattwicewithfreshxyleneforanother5minuteseach.

2.Immerseslidesin100%ethanolfor5minutes,andfollowwithimmersionin95%,75%and50%ethanolfor3minuteseach.

3.Rinseslideswithdistilledwaterfor5minutes;keepinwateruntilreadytoperformantigenretrieval.

II.Heatinducedantigenretrieval(HIAR)

Mostformalinfixedtissuerequiresanantigenretrievalstepbeforeimmunohistochemicalstainingcanproceed.Heatinducedantigenretrievalcanbeperformedusingasteamer,pressurecooker,oramicrowaveoven.The

retrievaltimewritteninthisprotocolisbasedonusingasteamer.Theheatingtimemayneedtobeadjustedifyouuseadifferentdeviceandmethod.

1.Fillplasticcoplinjar/containerwithAntigenRetrievalBuffer(0.01MCitrateBuffer,pH6.0,notincludedinthekits).

PrepareStockSolution:

0.1MSodiumCitrate20.5mL

0.1MCitricAcid4.5mL

Adddistilledwaterto250mL

2.Placethecoplinjar/containerinsteamerwithlid.

3.Turnonsteamerandpreheatto90100°C.Carefullyputslidesintothecoplinjar/containerandsteamfor40min(95100°C).

4.Turnoffthesteamer,removethecoplinjar,placeatroomtemperatureandallowslidestocoolfor20min.Keepthejarcoveredallthetime.

5.Rinseslidebyincubationofslideindistilledwaterfor3minutes.Repeatthissteptwiceandbeginstainingprocedure.

III.Stainingprocedure

BlockingofEndogenousPeroxidase

Note:PeroxidaseBlockingisoptional.Ifnonon-specificstainingisobserved,skipthesestepsandgotostep3.

1.Tapoffexcesswater.DrawacirclearoundthespecimenontheslidewithPAPpen(notincludedinthekit.Alternatively,foldedKimwipescouldbeusedtobrieflyblotthewateraroundthespecimen.Repeatthisblotstepeachtimebeforeaddreagentonslide).Apply200μlormoreofPeroxidaseBlockingSolution(notincludedinthekit)sufficienttocoverspecimen,andincubatefor5minutes.

2.Rinseslidebyincubationofslideindistilledwaterfor3minutes.Repeatthissteptwice.

3.RinseslidebyincubationslideinPBSfor3minutes.

BlockingofNon-specificbinding

4.TapoffexcessPBS.(IfthePeroxidaseBlockingstepisskipped,drawacirclearoundthespecimenontheslidewithPAPpenorusingtheedgeoffoldedKimwipestoquicklyblotthewateraroundthespecimen).Apply200μl1XBlockingBufferimmediatelytocoverspecimenandincubateinamoistchamberfornomorethan10minutes

Note:10Xblockingbuffermayformprecipitatesat4°C.Completelydissolvetheprecipitatesbeforemakingworkingsolution

5.RinseslidebyincubationslideinPBSfor3minutes.

PrimaryAntibody

6.TapoffexcessPBS.Apply200μlEquilibriumBufferimmediatelytocoverspecimenandincubateinamoistchamberfor30minutes

7.TapoffexcessEquilibriumBuffer.Apply200μldilutedantipAKT473antibody(recommend1:50dilutioninAntibodyDiluent)tocoverspecimenimmediatelyandincubateinamoistchamberovernightat4°C.

8.Rinseslidebyincubationin0.5-2mLWashBufferfor3minutes.Repeatthissteptwicewithfreshbuffer.

9.RinseslidebyincubationofslideinPBSfor3minutes.

Secondary/HRPConjugates

10.TapoffexcessPBS.Apply200μlRabbitHRPPolymerimmediatelytocoverspecimenandincubateinamoistchamberfor60minutes.

11.Rinseslidebyincubationin0.5-2mLWashBufferfor3minutes.Repeatthissteptwicewithfreshbuffer.

12.RinseslidebyincubationinwithPBSfor3minutes.

DABChromogen

13.TapoffexcessPBS.ApplyenoughDABSubstrateSolutiontocoverspecimenimmediatly.Checkdarkbrowncolordevelopmentundermicroscopeandincubateuntildesiredstainintensitydevelops.

Tomake1mLDABSubstrateSolution,mixthefollowingreagents:

DistilledWater860μL

10XDABsubstratebuffer100μL

0.3%HydrogenPeroxidesolution15μL

DABChromogen25μL

14.Rinseslideintapwaterfor3minutes.

Counterstaining

15.Ifdesired,completecounterstain(Seeinstructionforhematoxylincounterstaining).Rinseintapwatertoclear.

Mounting

16.Immerseslidesin70%,80%,95%Ethanolfor2minuteseach,and100%Ethanolfor10minutestwicefollowedbyXylenefor5minutestwice.

17.Dryandmountslides.

IV.InstructionforHematoxylincounterstaining

1.Immerseslidesinhematoxylinsolution.Incubatefor30secondsto5minutes,dependingonthestrengthofhematoxylinused.

2.RinsetoclearwithtapwaterandcontinuedehydrationfromStep16.

Problems

PossIBLeCauses

Solutions

Overstaining

1.Toolongincubationtimeofprimaryantibody,ortoohightemperaturewhendoingstaining
2.ToolongincubationtimeofDABsubstrate.
3.Slidedriedduringstainingprocess

Dependingontissuesections,theincubationtimeofprimaryantibodycanbereducedto30minutes;Checktheroomtemperaturerangeisat20‐250Cwhendoingstaining.
ReduceincubationtimeofDABsubstrate
Avoidsectionstodryduringstainingprocess.

Weakornostaining

1.Incompleteremovalofparaffin
2.Tissuesover‐fixation
3.Notefficientantigenretrieval
4.Reagentsnotusedinproperorderoromittedsteps
5.Expiredantibodyorreagents

Deparaffinizesectionslongerorchangetofreshxylene;sometissuearraymayneedtobaketo
removeover‐
coveredparaffin.
Increasingtheconcentrationofprimaryantibodyto1:40;ifthisdoesnotwork,reducedurationof
post‐fixation.
Adjustantigenretrievaltimebasedonthesettingforsectionfixationandretrievaldeviceused.
Reviewnotesandprocedureused.
Checkkitexpirationdatesandkitstorageconditions

Highbackground

1Sectionsdriedduringstainingprocess
2Slidenotrinsedthoroughly
3Antigenover‐retrieval

Donotallowsectionstodryduringstainingprocess;usehumidcontainerduringincubation
withprimaryantibody.
Usefreshsolutioninbufferjars;rinseatleastthreetimesbetweensteps.
Optimizeantigenretrievaltimeifyouusedmicrowaveorpressurecookerforretrieval.

品牌介绍

Everest Biotech公司成立于2000年,由英国牛津大学一批生物化学家创建。公司科学家团队具有丰富的抗体纯化及蛋白组学专业知识,雄厚的专业背景赋予了公司能为全球科研人员提供高质量、创新性抗体产品的能力。目前,Everest Biotech可提供3000余种抗体,涉及肿瘤、自身免疫、过敏、心血管疾病、传染病、代谢、神经科学等领域。所有抗体均由Everest Biotech自主研发生产、全部经过肽亲和纯化以保证最佳的特异性和纯度、经过免疫原肽的ELISAWB实验验证PhD科学家团队提供全方位技术支持服务。Everest Biotech为众多国际知名抗体公司提供OEM服务。

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