1.河北医科大学第二医院血液科,河北省血液病重点实验室(河北 石家庄 050000)
李丽媛,女,硕士,主治医师,主要从事恶性血液病临床及基础研究
聂子元,副主任医师,硕士生导师;E-mail: 18503116578@163.com
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李丽媛,张小艳,聂子元.白藜芦醇通过下调SIX1抑制人白血病HL⁃60细胞增殖和诱导细胞凋亡[J].上海中医药大学学报,2022,36(02):76-82.
LI Liyuan,ZHANG Xiaoyan,NIE Ziyuan.Proliferation inhibition and apoptosis induction in human leukemia HL⁃60 cells by resveratrol via down⁃regulating SIX1[J].Academic Journal of Shanghai University of Traditional Chinese Medicine,2022,36(02):76-82.
李丽媛,张小艳,聂子元.白藜芦醇通过下调SIX1抑制人白血病HL⁃60细胞增殖和诱导细胞凋亡[J].上海中医药大学学报,2022,36(02):76-82. DOI: 10.16306/j.1008-861x.2022.02.012.
LI Liyuan,ZHANG Xiaoyan,NIE Ziyuan.Proliferation inhibition and apoptosis induction in human leukemia HL⁃60 cells by resveratrol via down⁃regulating SIX1[J].Academic Journal of Shanghai University of Traditional Chinese Medicine,2022,36(02):76-82. DOI: 10.16306/j.1008-861x.2022.02.012.
目的,2,探讨白藜芦醇(resveratrol, RSV)对人白血病HL-60细胞增殖的影响及其机制。,方法,2,CCK-8法检测RSV对HL-60细胞增殖的影响。碘化丙啶(propidium iodide,PI)单染流式细胞术检测RSV对HL-60细胞周期分布的影响;Annexin V-FITC/PI双染法观察RSV对HL-60细胞凋亡的影响。Western blot检测HL-60细胞中的细胞周期素D1(CyclinD1)、凋亡相关蛋白p53和p21、SIX1、酪氨酸蛋白激酶Ⅱα(CK2α)蛋白的表达水平,以及过表达SIX1后给予RSV处理对HL-60细胞中CyclinD1、p53、p21表达水平的影响。,结果,2,①CCK-8实验结果显示,不同浓度的RSV(12.5 µmol/L、25.0 µmol/L、50.0 µmol/L、100.0 µmol/L)处理不同时间(24 h、48 h、72 h),HL-60细胞的存活率随着RSV作用浓度的增加和作用时间的延长逐渐降低(,P,<,0.01)。②流式细胞术检测结果显示,与对照组相比,RSV处理后HL-60细胞凋亡增加(,P,<,0.05),亚G,1,期细胞增多(,P,<,0.05),G,2,/M期细胞减少(,P,<,0.05)。③Western blot结果表明,与对照组相比,RSV作用HL-60细胞后,细胞周期蛋白CyclinD1水平降低(,P,<,0.05),凋亡相关的p53、p21蛋白水平升高(,P,<,0.05)。④与对照组相比,RSV处理后的HL-60细胞中SIX1和CK2α蛋白的表达水平降低(,P,<,0.01),且过表达SIX1后抵消了RSV对HL-60细胞中CyclinD1、p53、p21的作用。,结论,2,RSV可能通过下调SIX1抑制HL-60细胞增殖、诱导其凋亡。
Objective: To explore the effect of Resveratrol (RSV) on the proliferation of human leukemia HL-60 cell and its mechanism.,Methods,2,The effect of RSV on the proliferation of HL-60 cells was detected by CCK-8 method. Flow cytometry with propidium iodide (PI) staining was used to detect the effect of RSV on HL-60 cell cycle distribution. Annexin V-FITC/PI staining was used to observe the effect of RSV on apoptosis of HL-60 cells. Western blot was used to detect the expression levels of CyclinD1, apoptosis-related protein p53 and p21, SIX1 and tyrosine protein kinase Ⅱα (CK2α) in HL-60 cells, and the effect of RSV treatment on the expression levels of CyclinD1, p53 and P21 after overexpression of SIX1 in HL-60 cells.,Results,2,①In the CCK-8 tests, HL-60 cells were treated with RSV of different concentrations (12.5 µmol/L, 25.0 µmol/L, 50.0 µmol/L, 100.0 µmol/L) and different times (24 h, 48 h, 72 h), the results showed that the survival rate of HL-60 cells decreased with the increasing of RSV concentration and the prolongation of RSV treatment time(,P,<,0.01). ②Flow cytometry results showed that the apoptosis of HL-60 cells increased after RSV treatment compared with those of the control group (,P,<,0.05). Moreover, the cells in sub-G,1, phase increased (,P,<,0.05) and the cells in G,2,/M phase decreased (,P,<,0.05). ③Western blot results showed the level of cell cycle protein CyclinD1 decreased (,P,<,0.05), and the levels of apoptosis-related protein p53 and p21 increased after RSV treatment (,P,<,0.05). ④Compare with the control group, the expression levels of SIX1 and CK2α protein decreased in HL-60 cells after RSV treatment, and overexpression of SIX1 inhibited the effect of RSV on CyclinD1, p53, and p21 in HL-60 cells.,Conclusion,2,RSV may inhibit cell proliferation and induce apoptosis by down-regulating SIX1 in HL-60 cells.
白藜芦醇白血病SIX1HL-60细胞细胞增殖细胞凋亡
resveratrolleukemiaSIX1HL-60 cellscell proliferationcell apoptosis
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