igfⅱ基因内含子来源的mir4835p对肝癌细胞生物学行为的影响-effects of mir 4835 p from igf ⅱ intron on biological behaviors of hepatocellular carcinoma cells.docx
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igfⅱ基因内含子来源的mir4835p对肝癌细胞生物学行为的影响-effects of mir 4835 p from igf ⅱ intron on biological behaviors of hepatocellular carcinoma cells
中文摘要目的:研究miR-483-5p对肝癌(HCC)细胞生物学行为的影响。方法:采用脂质体法分别将miR-483-5pmimic、miR-483-5pinhibitor及阴性对照RNA(NC)转染Huh7肝癌细胞,采用CCK-8法检测Huh7肝癌细胞的增殖能力变化,采用流式细胞术检测Huh7肝癌细胞的细胞周期及细胞凋亡变化,采用Transwell法检测Huh7肝癌细胞的迁移和侵袭能力变化。结果:①CCK-8法结果显示,与空白对照组及NC组细胞相比,转染miR-483-5pinhibitor的肝癌细胞增殖能力显著降低,转染miR-483-5pmimic的肝癌细胞增殖能力显著增加,差异均具有统计学意义(P0.05);②流式细胞术结果显示,与空白对照组及NC组细胞相比,转染miR-483-5pinhibitor的肝癌细胞的G1期细胞百分比显著增加,早期凋亡、晚期凋亡及总凋亡均显著增加,差异均具有统计学意义(P0.05);转染miR-483-5pmimic的肝癌细胞的G1期细胞百分比显著减少,早期凋亡、晚期凋亡及总凋亡数均减少,差异均具有统计学意义(P0.05);③Transwell法结果显示,与空白对照组及NC组细胞相比,转染miR-483-5pinhibitor的肝癌细胞的迁移能力及侵袭能力均明显减弱,转染miR-483-5pmimic的肝癌细胞的迁移能力及侵袭能力均明显增强,差异均具有统计学意义(P0.05)。结论:miR-483-5p可提高肝癌细胞的增殖能力,促进肝癌细胞周期进展,抑制肝癌细胞凋亡,增强肝癌细胞的迁移和侵袭能力。关键词:肝细胞癌;miR-483-5p;生物学行为。I·ABSTRACTObjective:ToinvestigatetheeffectofmiR-483-5pexpressiononthebiologicalbehaviorofhepatocellularcarcinomacells.Methods:miR-483-5pmimic,miR-483-5pinhibitorandnagativecontrolRNA(NC)weretransfectedintoHuh7cellsrespectively.TheproliferationofHuh7cellswasevaluatedbyusingCCK-8methodandtheapoptosisandcellcycleofHuh7cellswereanalyzedbyusingflowcytometry,thechangesinmigrationandinvasionofHuh7cellswereassessedbyusingTranswellassay.Results:①Comparedwithblankgroup(Huh7)andNCgroup,theproliferationofHuh7cellswasremarkablelyinhibitedinmiR-483-5pinhibitorgroup,andtheproliferationofHuh7cellswaspromotedinmiR-483-5pmimiccells,therewassignificantdifferencebetweenthem.(P0.05);②TheresultofflowcytometryshowedthatthenumberinG1phaseincreasedsignificantly,andthepercentageofearlyapoptoticcells,lateapoptoticcellsandtotalapoptoticcells(earlyapoptoticcellspluslateapoptoticcells)weremuchhigherinHuh-7cellstransfectedwithmiR-483-5pinhibitorthanthatinHuh-7cellstransfectedwithblankcontrolandNC,therewassignificantdifferencebetweenthem.(P0.05);However,Comparedwithblankgroup(Huh7)andNCgroup,adecreaseinthenumberofG1phaseandthepercentageofearlyapoptotic,lateapoptoticandtotalapoptoticofHuh7cellsaftermiR-483-5pmimictransfection.therewassignificantdifferencebetweenthem.(P0.05);③thedatafromtranswellassaypromptedth
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