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℡ 4000-520-616
℡ 4000-520-616
Millipore/S7810 | CpG WIZ® RB1 - Methylation specific PCR assay/S7810/25 assays
产品编号:S7810
市  场 价:¥10380.00
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产品分类: 抗体类>一抗>功能性抗体>
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美  元  价:$519.00
品      牌: Millipore
公      司:Millipore
公司分类:
Millipore/S7810 | CpG WIZ® RB1 - Methylation specific PCR assay/S7810/25 assays
商品介绍
Description
CatalogueNumberS7810
BrandFamilyChemicon®
TradeName
  • CpGWiz
  • Chemicon
DescriptionCpGWIZ®RB1-MethylationspecificPCRassay
OverviewMSP,performedusingtheCpGenome™DNAModificationKitandtheCpGWIZ®RB1AmplificationKit,permitssensitivedetectionofalteredDNA.BecausethisisaPCR-basedassay,itisextremelysensitive,facilitatingthedetectionoflownumbersofmethylatedallelesandthestudyofsamplescontainingsmallamountsofDNA.MSPalsoallowsexaminationofallCpGsites,notjustthosewithinsequencesrecognizedbymethylationsensitiverestrictionenzymes.Increasingthenumberofsuchsiteswhichcanbeassessedallowsrapid,finemappingofmethylationpatternsthroughoutCpGregions.Inaddition,thebisulfitemodificationisideallysuitedforanalysisofCpGislandssinceitconvertsthemajorityofcytosinestouracils,makingaregionofthegenomewhichisCG-richlessdifficulttoamplifybyPCR.



Methylation-specificPCR(MSP)employsaninitialbisulfitereactiontomodifytheDNA,followedbya"hotstart"PCRamplificationwithspecificprimersdesignedtodistinguishmethylatedDNAfromunmethylatedDNA.AsshowninFigure1,inthebisulfitereaction,allunmethylatedcytosinesareconvertedtouracilswhile5-methylcytosinesremainunaltered.Thus,thesequenceofthetreatedDNAwilldifferiftheDNAisoriginallymethylatedvs.unmethylated.PrimerscontainedintheCpGWIZ®RB1AmplificationKitaredesignedtospecificallyamplifyeachofthesequencesbaseduponthesechemically-induceddifferences.IfthesampleDNAwasoriginallyunmethylated,aproductwillbegeneratedafterPCRusingtheUprimerset.Conversely,aproductwillbegeneratedusingtheMprimersetifthesamplewasoriginallymethylated.
BackgroundInformationMethylationofcytosineslocated5"toguanosineisknowntohaveaprofoundeffectontheexpressionofseveraleukaryoticgenes(1).Innormalcells,methylationoccurspredominantlyinCG-poorregions,whileCG-richareas,calledCpGislands,remainunmethylated.AberrantmethylationofnormallyunmethylatedCpGislandshasbeendocumentedasarelativelyfrequenteventinimmortalizedandtransformedcells(2)andhasbeenassociatedwithtranscriptionalinactivationofdefinedtumorsuppressorgenesinhumancancers(3,4).Theretinoblastoma1(RB1)geneexhibitscharacteristichypermethylationimmanymaligninanttumors.

PreviouslydevelopedmethodstodeterminethemethylationstatusofcytosineincludedigestionwithmethylationsensitiverestrictionenzymesandgenomicDNAsequencing.Bothtechniqueshavelimitations:restrictionenzymescanonlydetectmethylationsiteswithintheirrecognitionsequenceandsequencingistimeconsuming.IncreasingthedetectionsensitivityofCpGislandmethylationhasthepotentialtodefinetumorsuppressorgenefunctionandprovidesanewstrategyforearlytumordetection.

Methylation-specificPCR(MSP)isanewtechnologyforsensitivedetectionofabnormalgenemethylationutilizingsmallamountsofDNA(5).ThisprocessemploysaninitialbisulfitereactiontomodifytheDNA,followedbyPCRamplificationwithspecificprimersdesignedtodistinguishmethylatedfromunmethylatedDNA.TheCpGenome™DNAModificationKit(S7820)containsthereagentsnecessarytoperformtheinitialbisulfitereactions,whiletheCpGWIZ®RB1AmplificationKitcontainsthereagentsrequiredforthePCRamplificationreactions.
MaterialsRequiredbutNotDeliveredEquipmentandSupplies

a.MicrocentrifugetubesforPCRamplification

b.Aerosol-resistantPipettetips

c.Thermocycler

d.Gelelectrophoresisapparatus(verticalorhorizontal)

e.PowerSupply

f.302nmUVtransIlluminator,cameraandfilm

Reagents

a2.5mMdNTPmix(2.5mMofeachnucleotide)

b."Hotstart"Taqpolymerase

c."Hotstart"PCRreagents(seeSec.II.Protocols).

d.Reagentsforgelelectrophoresis(1XTBEand2%agarose,10%acrylamide,orsuitablehighresolutionagarose)

e.DNAMarkers(sizerange100-300bp)

f.Ethidiumbromide(10mg/mL)

g.Gel-loADIngsolution/LoadingDye

h.BisulfiteModifiedDNA(CpGenome™DNAModificationKit,S7820)
ProductInformation
Components
  • ThecomponentsoftheCpGWIZ®RB1AmplificationKitincludethoserequiredforPCRamplificationafterbisulfitemodificationofDNAsamples.Sufficientreagentsareprovidedtoanalyze25sampleswithappropriatecontrols.
  • UPrimerSet7.5μMeachprimer(25X)35μL(neutralcap)90552-15°Cto-25°C
  • MPrimerSet7.5μMeachprimer(25X)35μL(redcap)90553-15°Cto-25°C
  • WPrimerSet7.5μMeachprimer(25X)35μL(greencap)90554-15°Cto-25°C
  • UcontrolDNA0.1μg/μL50μL(whitecap)90393-15°Cto-25°C
  • McontrolDNA0.1μg/μL50μL(redcap)90394-15°Cto-25°C
  • WcontrolDNA0.05μg/μL50μL(greencap)90395-15°Cto-25°C
  • Universal10XPCRBuffer265μL(bluecap)90396-15°Cto-25°C
StorageandShippingInformation
Applications
ApplicationMSP,performedusingtheCpGenomeDNAModificationKit&theCpGWIZRB1AmplificationKit,permitssensitivedetectionofalteredDNA.
KeyApplications
  • PCR
BIOLOGicalInformation
SpeciesReactivity
  • Human
EntrezGeneNumber
EntrezGeneSummaryRetinoblastoma(RB)isanembryonicmalignantneoplasmofretinalorigin.Italmostalwayspresentsinearlychildhoodandisoftenbilateral.Spontaneousregression("cure")occursinsomecases.TheretinoblastomageneRBwasthefirsttumorsuppressorgenecloned,andisanegativeregulatorofthecellcyclethroughitsABIlitytobindthetranscriptionfactorE2F(MIM189971)andrepresstranscriptionofgenesrequiredforSphase(HanahanandWeinberg,2000[PubMed10647931]).[suppliedbyOMIM]
GeneSymbol
  • RB1
  • P105-RB
  • retinoblastoma-1
  • RB
  • PP110
  • OSRC
UniProtNumber
UniProtSummaryFUNCTION:SwissProt:P06400#Keyregulatorofentryintocelldivisionthatactsasatumorsuppressor.Directlyinvolvedinheterochromatinformationbymaintainingoverallchromatinstructureand,inparticular,thatofconstitutiveheterochromatinbystabilizinghistonemethylation.RecruitsandtargetshistonemethyltransferasesSUV39H1,SUV420H1andSUV420H2,leadingtoepigenetictranscriptionalrepression.ControlshistoneH4"Lys-20"trimethylation.AlsoactsasatranscriptionrepressorofE2Ftargetgenesbyrecruitingchromatin-modifyingenzymestopromoters.InhibitstheintrinsickinaseactivityofTAF1.FormsacomplexwithadenovirusE1AandwithSV40largeTantigen.MaybindandmodulatefunctionallycertaincellularproteinswithwhichTandE1Acompeteforpocketbinding.
SIZE:928aminoacids;106159Da
SUBUNIT:InteractspreferentiallywithtranscriptionfactorE2F1.TheunphosphorylatedforminteractswithARID3B,JARID1A,SUV39H1,MJD2A/JHDM3AandTHOC1.InteractswiththeN-terminaldomainofTAF1.InteractswithAATF,DNMT1,LIN9,LMNA,SUV420H1,SUV420H2,PELP1andTMPO-alpha.MayinteractwithKNTC2.InteractswithEID1andZUBR1.InteractswithARID4AandJARID1B.
SUBCELLULARLOCATION:Nucleus.
TISSUESPECIFICITY:Expressedintheretina.
PTM:PhosphorylatedfromStoMphaseofthecellcycleandisdephosphorylatedinG1.T,butnotE1A,bindsonlytotheunphosphorylatedform.
DISEASE:SwissProt:P06400#DefectsinRB1arethecauseofchildhoodcancerretinoblastoma(RB)[MIM:180200].RBisacongenitalmalignanttumorthatarisesfromthenuclearlayersoftheretina.Itoccursinabout1:20"000livebirthsandrepresentsabout2%ofchildhoodmalignancies.Itisbilateralinabout30%ofcases.AlthoughmostRBappearsporadically,about20%aretransmittedasanautosomaldominanttraitwithincompletepenetrance.Thediagnosisisusuallymadebeforetheageof2yearswhenstrabismusoragraytoyellowreflexfrompupil(cateye)isinvestigated.&DefectsinRB1areacauseofbladdercancer[MIM:109800].&DefectsinRB1areacauseofosteogenicsarcoma[MIM:259500].
SIMILARITY:SwissProt:P06400##Belongstotheretinoblastomaprotein(RB)family.
PhysicochemicalInformation
Dimensions
MaterialsInformation
MaterialsInformation
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