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LS 174T

细胞形态:上皮样
ATCCNumber:CL-188™
相关疾病:大肠癌
生长状态:贴壁生长
运输方式:冻存运输
数量:大量
器官来源:结肠
是否是肿瘤细胞:1
物种来源:
年限:Dukes'typeB
Designations:LS174T
Depositors: NorthwesternUniversity
BiosafetyLevel:1
Shipped:frozen
Medium&Serum:SeePropagation
GrowthProperties:adherent
Organism:Homosapiens
Morphology:epithelial

Source:Organ:colon
TumorStage:DukestypeB
Disease:colorectaladenocarcinoma
CellularProducts:carcinoembryonicantigen(CEA)(TheproductionofCEAintheATCCseedstockwas1944ngper10(6)cellsin10days.)
interleukin10(IL-10)[22511]
interleukin6(IL-6)
mucin
Permits/Forms:InadditiontotheMTAmentionedabove,otherATCCand/orregulatorypermitsmayberequiredforthetransferofthisATCCmaterial.AnyonepurchasingATCCmaterialisultimatelyresponsibleforobtainingthepermits.Pleaseclickhereforinformationregardingthespecificrequirementsforshipmenttoyourlocation.
Tumorigenic:Yes
Oncogene:myc+;myb+;ras+;fos+;p53+;sis-;abl-;ros-;src-
AntigenExpression:serologicallydefinedcoloncancerantigen3;Homosapiens,expressed
HLAA2,B13,B50;BloodtypeO
DNAProfile(STR):Amelogenin:X
CSF1PO:10,13,14
D13S317:10
D16S539:11,13
D5S818:11,15
D7S820:11
THO1:6,7
TPOX:8,9
vWA:15,17
CytogeneticAnalysis:45,X;oneXchromosomemissing;nootherchromosomalaberrations
Age:58years
Gender:female
Ethnicity:Caucasian
Comments:LS174TisavariantofLS180(ATCCCL-187)thathasbeenmaintainedbyusingtrypsininthesubcultureprotocol.Itismoreeasilysubcultivatedthanthatparentlineand,likeLS180,itisreportedtoproducelargeamountsofcarcinoembryonicantigen(CEA).
Electronmicroscopicstudiesrevealedabundantmicrovilliandintracytoplasmicmucinvacuoles[PubmedID:1262041].
Theyarenegativeforp53antigenexpression,butpositiveformRNAexpression.
LS174Tcellsstainpositivelyforcytokeratins.
Thelineispositiveforexpressionofc-myc,N-myc,H-ras,N-ras.
Myb,andfosoncogenes.
K-rasandsisoncogeneexpressionwerenotdetected.
Propagation:ATCCcompletegrowthmedium:ThebasemediumforthiscelllineisATCC-formulatedEaglesMinimumEssentialMedium,CatalogNo.30-2003.Tomakethecompletegrowthmedium,addthefollowingcomponentstothebasemedium:fetalbovineserumtoafinalconcentrationof10%.
Atmosphere:air,95%;carbondioxide(CO2),5%
Temperature:37.0°C
Subculturing:Protocol:
  1. Removeanddiscardculturemedium.
  2. Brieflyrinsethecelllayerwith0.25%(w/v)Trypsin-0.53mMEDTAsolutiontoremovealltracesofserumthatcontainstrypsininhibitor.
  3. Add2.0to3.0mlofTrypsin-EDTAsolutiontoflaskandobservecellsunderaninvertedmicroscopeuntilcelllayerisdispersed(usuallywithin5to15minutes).
    Note:Toavoidclumpingdonotagitatethecellsbyhittingorshakingtheflaskwhilewaitingforthecellstodetach.Cellsthataredifficulttodetachmaybeplacedat37�Ctofacilitatedispersal.
  4. Add6.0to8.0mlofcompletegrowthmediumandaspiratecellsbygentlypipetting.
  5. Addappropriatealiquotsofthecellsuspensiontonewculturevessels.
  6. Incubateculturesat37�C.

      SubcultivationRatio:Asubcultivationratioof1:2to1:4isrecommended
      MediumRenewal:2to3timesperweek
Preservation:Freezemedium:Completegrowthmediumsupplementedwith5%(v/v)DMSO
Storagetemperature:liquidnitrogenvaporphase
RelatedProducts:Recommendedmedium(withouttheadditionalsupplementsorserumdescribedunderATCCMedium):ATCC30-2003
recommendedserum:ATCC30-2020
derivedfromsameindividual:ATCCCL-187
References:2148:TomBH,etal.Humancolonicadenocarcinomacells.I.Establishmentanddescriptionofanewline.InVitro12:180-191,1976.PubMed:1262041
3524:TomBH,etal.Processofproducingcarcinoembryonicantigen.USPatent4,228,236datedOct141980
22147:ChenTR,etal.Intercellularkaryotypicsimilarityinnear-diploidcelllinesofhumantumororigins.CancerGenet.Cytogenet.10:351-362,1983.PubMed:6652615
22511:GastlGA,etal.Interleukin-10productionbyhumancarcinomacelllinesanditsrelationshiptointerleukin-6expression.Int.J.Cancer55:96-101,1993.PubMed:8344757
22861:TrainerDL,etal.Biologicalcharacterizationandoncogeneexpressioninhumancolorectalcarcinomacelllines.Int.J.Cancer41:287-296,1988.PubMed:3338874
32265:TsaoH,etal.Novelmutationsinthep16/CDKN2AbindingregionoftheCyclin-dependentKinase-4gene.CancerRes.58:109-113,1998.PubMed:9426066
32377:ShibataD,etal.Genomicinstabilityinrepeatedsequencesisanearlysomaticeventincolorectaltumorigenesisthatpersistsaftertransformation.Nat.Genet.6:273-281,1994.PubMed:8012390
32794:KutcheraW,etal.ProtaglandinHsynthase2isexpressedabnormallyinhumancoloncancer:evidenceforatranscriptionaleffect.Proc.Natl.Acad.Sci.USA93:4816-4820,1996.PubMed:8643486

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