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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/Ki67 Immunohistochemistry Kit 20 slides/3100010205/20 slides
产品编号:3100010205
市  场 价:¥5189.60
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:$499.00
品      牌: Everest Biotech
公      司:Everest Biotech
公司分类:
Everest Biotech/Ki67 Immunohistochemistry Kit 20 slides/3100010205/20 slides
商品介绍

Ki67antigenistheprototypiccellcyclerelatednuclearprotein,expressedbyproliferatingcellsinallphasesoftheactivecellcycle(G1,S,G2andMphase).Itisabsentinresting(G0)cells.Ki67antibodiesareusefulinestablishingthecellgrowingfractioninnormal,neoplasticandregenerativetissues.

Imageshowsimmunohistochemicalstainingofparaffin‐embeddedhumanglioblastomaxenografttumorsectionstainedwithKi67antibodyusingtheEtonBio’sKi67IHCKit(CatNo.3100010105).Ki67(darkbrown)displaysanuclearlocalizationpatternwhichcorrelatesitsfunctionincycleprogression(20X,counterstainedwithhematoxylin).

KitContents

Reagentsprovidedinthekit

Thematerialslistedaresufficientfor20tests.Thenumberoftestsisbasedontheuseof200μLeachofreadytousereagentperslide.

PositiveControlSlides

Onehumanrenalcarcinomaslides

BlockingBuffer

10XNon-specificblockingbuffer

Diluteat1:10usingdistilledwaterpriortostaining;unusedworkingsolutionmaybestoredat4°Cfor3month.

EquilibriumBuffer

EquilibriumBuffer

Readytousereagent

Rabbitanti-Ki67antibody

Rabbitanti-Ki67antibody

DiluteinAntibodyDiluentsimmediatelybeforeuse(recommenduseat1:100dilution).

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

StoreKi67IHCKitsat28°C.Thekitisstableforsixmonthsat4°C.Donotuseafterexpirationdate.

Precautions

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

TheKi67ImmunohistostainingKithasbeendesignedforthestainingoftissuesthathavebeenfixed(usuallyinneutralbufferedformalin)andsubsequentlyembeddedinparaffinbeforesectioning.Thisprotocolisrecommendedasastartingpointandoptimizationbytheindividualend‐usermayberequired.

Note:

·Donotallowspecimenstodryduringthestainingprocedure.Specimendryingmaycauseincreasednonspecificstainingandbackground.

·Sometissuemayneedtobaketoremoveover‐coveredparaffinpriortotheprocedure.Ifneeded,bakeat55‐60°Cfor30minutes.

I.Deparaffinizationandrehydration
Priortostaining,tissuesectionsmustbedeparaffinizedandrehydrated.Incompleteremovalofparaffincancausepoorstainingofthesection.Usepositivecontrolslideprovidedinthekitforqualitycontrolandtrouble-shootingpurpose.
1.Immerseslidesinxyleneandincubatefor5minutes.Repeattwicewithfreshxyleneforanother5minuteseach.
2.Immerseslidesin100%ethanolfor5minutes,andfollowwithimmersionin95%,75%and50%ethanolfor3minuteseach.
3.Rinseslideswithdistilledwaterfor5minutes;keepinwateruntilreadytoperformantigenretrieval.
II.Heatinducedantigenretrieval(HIAR)
Mostformalin‐fixedtissuerequiresanantigenretrievalstepbeforeimmunohistochemicalstainingcanproceed.Heatinducedantigenretrievalcanbeperformedusingasteamer,pressurecooker,oramicrowaveoven.Theretrievaltimewritteninthisprotocolisbasedonusingasteamer.Theheatingtimemayneedtobeadjustedifyouuseadifferentdeviceandmethod.
1.Fillplasticcoplinjar/containerwithAntigenRetrievalBuffer(0.01MCitrateBuffer,pH6.0,notincludedinthekits).
PrepareStockSolution:
A.0.1MSodiumCitrate;
B.0.1MCitricAcid
Tomake250mL1Xantigenretrievalbuffer,mix20.5mLstocksolutionAwith4.5mLstocksolutionBandadddistilledwaterto250mL
2.Placethecoplinjar/containerinsteamerwithlid.
3.Turnonsteamerandpreheatto90‐100°C.Carefullyputslidesintothecoplinjar/containerandsteamfor40min(95‐100°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.Apply200μlanti‐Ki67antibody(recommend1:100dilutioninAntibodyDiluent)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,theincubationtimeofprimaryantibodycanbereducedto2hours;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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