简介：Objective:ToinvestigatewhethertheBc1-2antisenseoligonucleotide(ASODN)mayenhanceradiation-inducedapoptosisinRajicellline.Methods:Cellsurvivingfractionwasdeterminedusingthetrypanbluedyeexclusionassay.Theexpressionlevelofbc1-2proteinwasassayedbyimmunofluorescenceusingfluoresceisothiocyanatelabel.ApoptosiswasdetectedbyGiemsastainingandflowcytomertriccellcycleanalysis.Results:ItwasfoundthatBc1-2ASODNcombinedwithradiationhadsignificantlyreducedthenumberofviablecells(P<0.05).TherewasnodifferenceoncellsurvivalbetweenmismatchBc1-2oligodeoxynucleotide/radiationcombinationandradiation-treatedcellsalone.Bc1-2ASODNcombinedwithradiationcouldsignificantlyinhibitexpressionofBc1-2proteininRajicells(P<0.05).CellstreatedwithBc1-2ASODNcombinedwithradiationat72hdisplayedclassicapoptoticchanges.ApoptosisratesofRajicellstreatedwithBc1-2oligodeoxynucleotide/radiationcombinationandradiation-treatedcellsalone,respectively.Conclusion:Bc1-2antisenseoligonucleotidecanenhanceradiation-inducedapoptosisinRajicellline.
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