目的:研究TRAIL對卵巢癌COC1/DDP細胞生長的影響,以及化療藥物DDP等對TRAIL受體(DR4、DR5)表達的影響,揭示TRAIL與COC1/DDP細胞順鉑耐藥性的關系。方法:用MTT法檢測不同濃度TRAIL蛋白和TRAIL與DDP聯(lián)合用藥對COC1/DDP細胞生長的影響,用RTPCR方法檢測DDP對TRAIL受體(DR4、DR5)表達的影響。結果:①TRAIL蛋白對COC1/DDP細胞生長有抑制作用,且隨著TRAIL蛋白濃度升高,細胞抑制率逐漸上升。②DDP(2.5μg/mL)對COC1/DDP細胞生長抑制作用較弱(抑制率為3.31%),DDP在加入TRAIL蛋白后對細胞生長抑制率顯著升高(P lt;0.05)。③DDP使COC1/DDP細胞的DR5表達水平顯著增強為正常對照組的3.54倍(P lt;0.001)。結論:TRAIL蛋白對COC1/DDP細胞生長有抑制作用,DDP與TRAIL聯(lián)合使用COC1/DDP細胞生長抑制更明顯,TRAIL可逆轉COC1/DDP細胞對DDP的耐藥性,耐藥性的逆轉可能與DDP導致TRAIL受體DR5水平增高促進了腫瘤細胞的凋亡有關。
引用本文: 李春梅,彭芝蘭,尹如鐵. TRAIL逆轉人卵巢癌COC1/DDP細胞對DDP耐藥性的研究. 華西醫(yī)學, 2009, 24(1): 105-107. doi: 復制
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- 1. Griffith TS,Chin WA,Jackson GC,et al. Intracellular regulation of TRAILinduced apoptosis in human melanoma cells[J].J Immunol,1998,161(6):2833-2840..
- 2. Wiley SR,Schooley K,Smolak PJ,et al.Indentification and characterization of a new member of the TNF family that induces apoptosis[J].Immunity,1995,3(6):673-682..
- 3. Sheridan JP,Marsters SA,Pitti RM,et al.Control of TRAILinduced apoptosis by a family of signaling and decoy receptors[J].Science,1997,277(5327):818-821..
- 4. Sprick MR,Weigand MA,Rieser E,et al.FADD/MORT1 and caspase8 are recruited to TRAIL receptors 1 and 2 and are essential for apoptosis mediated by TRAIL receptor 2[J].Immunity,2000,12(6):599-609..
- 5. Thomas LR,Henson A,Reed JC,et al.Direct binding of Fasassociated death domain (FADD) to the tumor necrosis factorrelated apoptosisinducing ligand receptor DR5 is regulated by the death effector domain of FADD[J].J Biol Chem,2004,279(31):32780-32785..
- 6. 李春梅,彭芝蘭,尹如鐵.TRAIL蛋白對卵巢癌COC1和COC1/DDP細胞生長及促凋亡作用研究[J].四川腫瘤防治,2006,19(3):161-166..
- 7. Cuello M,Ettenberg SA,Nau MM,et al.Synergistic induction of apoptosis by the combination of TRAIL and chemotherapy in chemoresistant ovarian cancer cells[J].Gynecol Oncol,2001,81(3):380-390..
- 8. Arts HJ,de Jong S,Hollema H,et al.Chemotherapy induces death receptor 5 in epithelial ovarian carcinoma[J].Gynecol Oncol,2004,92(3):794-800..
- 9. Tomek S,Horak P,Pribill I,et al.Resistance to TRAILinduced apoptosis in ovarian cancer cell lines is overcome by cotreatment with cytotoxic drugs[J].Gynecol Oncol,2004,94(1):107-114..