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1、·496·2013年第27卷第6期總第128硼替佐米聯(lián)合化療藥物對肝癌、結(jié)腸癌細(xì)胞的抑制作用研究褚艷杰劉冰熔【摘要】目的探索亞砷酸對肝癌細(xì)胞和結(jié)腸癌細(xì)胞的作用;研究硼替佐米對腫瘤細(xì)胞化療效果的效應(yīng),初篩提高化療效果的硼替佐米與常用化療藥物的最佳組合方案。方法Mrr法檢測細(xì)胞的增殖情況,確定各藥物的Ic(半數(shù)抑制濃度);硼替佐米作用腫瘤細(xì)胞系2h、4h、8h后加入化療藥物,進(jìn)行MTT法、TUNEL法和AnnexinV—PI法檢測細(xì)胞的增殖和凋亡情況。結(jié)果亞砷酸對BEL一7402和HT一29的24h抑制率分別為0.59±0.09、0.71±0.12;氟尿嘧啶
2、、奧沙利鉑、亞砷酸(mg/L)作用肝癌細(xì)胞BEL一7402的Ic分別為:5.33±0.07、28.734-0.72、25.934-4.05,而結(jié)腸癌細(xì)胞HT一29的Ic50分別為:7.334-1.13、53.94±1.23、21.934-2.05。聯(lián)合應(yīng)用硼替佐米后,腫瘤細(xì)胞抑制率及凋亡率提高。結(jié)論亞砷酸對腫瘤細(xì)胞生長存在明顯抑制作用;聯(lián)合應(yīng)用硼替佐米與單藥抑制率比較,可以顯著增強(qiáng)腫瘤細(xì)胞對藥物的敏感性,提高腫瘤治療的效果?!娟P(guān)鍵詞】硼替佐米;亞砷酸;化療;耐藥【中圖分類號】R735.7【文獻(xiàn)標(biāo)識碼】Adoi:10.3969/j.issn.1002—30
3、70.2013.06.004EfectofBortezomibcombined、thchemotherapeuticmedicineonhepaticandcoloniccancercelllinesCHUYanjie,LIUBingrongDepartmentofGastroenterology,TheSecondAffiliatedHospitalofHarbinMedicalUniversity,Harbin150086,China【Abstract】ObjectiveToexploretheinfluenceofarsenousacidonhep
4、aticandcoloniccancercelllinesBEL一7402andHT一29.Theeffectofbortezomibcombinedwithchemotherapeuticmedicineandtheoptimalcombinationplanofthemwerealsoinvestigated.MethodsWedetectedcellproliferationbyMTFtogettheinhi—bitionrateoftwocelllinesandfurthertodetermineIC50(inhibitoryconcentrat
5、ion50%)of5一Fu,oxaliplatinorarsenousacid:preincubatedcancercellsfor2h、4hor8hbybortezomib.Chemotheraputicmedicinewerecom—binedrespectively.ThecellproliferationandapoptosiswereanalysedbyMTI",TUNELandAnnexinV—PI.Re·suitsThe24hinhibitionrateofarsenousacidtoBEL一7402andHT一29was:0.594-0.
6、09、0.71±0.12re-spectively;theIC50of5一Fu,OxaliplatinorarsenousacidtoBEL一7402was:5.334-0.07mI一,28.73±0.72mg/L,25.934-4.05mg/L,whiletoHT一29was:7.334-1.13mg/L、53.944-1.23mg/L,21.934-2.05mg/L.Bothinhibitionrateandapoptosisratewereenhancedwhenchemotheraputicmedicinewascombinedwithborte
7、zomib.ConclusionArsenousacidcaninhibitthegrowthofcancercellsobviously;thesusceptibilityofeachchemotherapymedicinecanbestrengthenedsignificantlywhenitiscombinedwithbortezomib.P<0.05.【Keywords】Bortezomib;Arsenousacid;Chemotherapy;Drug—resistance在消化系統(tǒng)腫瘤非手術(shù)全身化學(xué)治療中,腫瘤性的重要機(jī)制。核轉(zhuǎn)錄因子KB(Nu
8、clearfactor—細(xì)胞產(chǎn)生耐藥的機(jī)制十分復(fù)雜,多藥耐藥(Multi—KB,