Curcumenol,an effective ingredient of Wenyujin,has been reported that exerted its antitumor potential in a few cancer types.However,the effect and molecular mechanism of curcumenol in lung cancer are largely unknown.H...Curcumenol,an effective ingredient of Wenyujin,has been reported that exerted its antitumor potential in a few cancer types.However,the effect and molecular mechanism of curcumenol in lung cancer are largely unknown.Here,we found that curcumenol induced cell death and suppressed cell proliferation in lung cancer cells.Next,we demonstrated that ferroptosis was the predominant method that contributed to curcumenol-induced cell death of lung cancer in vitro and vivo for the first time.Subsequently,using RNA sequencing,we found that the long non-coding RNA H19(lncRNA H19)was significantly downregulated in lung cancer cells treated with curcumenol,when compared to untreated controls.Overexpression of lncRNA H19 eliminated the anticancer effect of curcumenol,while lncRNA H19 knockdown promoted ferroptosis induced by curcumenol treatment.Mechanistically,we showed that lncRNA H19 functioned as a competing endogenous RNA to bind to miR-19b-3p,thereby enhanced the transcription activity of its endogenous target,ferritin heavy chain 1(FTH1),a marker of ferroptosis.In conclusion,our data show that the natural product curcumenol exerted its antitumor effects on lung cancer by triggering ferroptosis,and the lncRNA H19/miR-19b-3p/FTH1 axis plays an essential role in curcumenol-induced ferroptotic cell death.Therefore,our findings will hopefully provide a valuable drug for treating lung cancer patients.展开更多
目的:同时测定温郁金中5种成分含量,为郁金挥发油制定质量标准。方法:采用气相色谱法,HP-5MS气相色谱柱(30 m×0.25 mm×0.25μm Aglient),分流不分流进样口:温度250℃,FID检测器:温度300℃,H2:40 m L·min^(-1),空气:400 m...目的:同时测定温郁金中5种成分含量,为郁金挥发油制定质量标准。方法:采用气相色谱法,HP-5MS气相色谱柱(30 m×0.25 mm×0.25μm Aglient),分流不分流进样口:温度250℃,FID检测器:温度300℃,H2:40 m L·min^(-1),空气:400 m L·min^(-1),流速1 m L·min^(-1),程序升温条件:70℃,10℃·min^(-1)至130℃,1℃·min^(-1)至140℃,5℃·min^(-1)至145.5℃,0.1℃·min^(-1)至146℃,2℃·min^(-1)至154℃0.1℃·min^(-1)至155℃,10℃·min^(-1)至280℃。结果:建立了同时测定温郁金中五种成分的气相色谱法。β-榄香烯、莪术醇、异莪术醇、吉马酮、莪术二酮的线性范围分别为13.75~220.00μg·mL^(-1)、5.41~86.50μg·mL^(-1)、15.75~252.00μg·mL^(-1)、3.44~55.00μg·mL^(-1)、14.75~236.00μg·mL^(-1)。精密度、重复性、24 h稳定性、加样回收率良好。结论:该方法操作简便,结果准确,可用于温郁金挥发油质量控制。展开更多
基金This work was financially funded by the grants National Natural Science Foundation of China(No.81874380 and 82022075,to Xinbing Sui,81730108 and 81973635,to Tian Xie,82104207,to Xueni Sun)Zhejiang Provincial Natural Science Foundation of China for Distinguished Young Scholars(No.LR18H160001,to Xinbing Sui)+5 种基金the Science and Technology Development Fund,Macao SAR(No.130/2017/A3,0099/2018/A3 and 0098/2021/A2,to Qibiao Wu)Science and Technology Planning Project of Guangdong Province(2020B1212030008,to Qibiao Wu)Zhejiang Provincial Natural Science Foundation of China(No.LQ20H160013,Ting DuanLQ21H160038,to Jiao Feng)Zhejiang Province Science and Technology Project of TCM(No.2019ZZ016,to Xinbing Sui2021ZQ058,to Ruonan Zhang,China).
文摘Curcumenol,an effective ingredient of Wenyujin,has been reported that exerted its antitumor potential in a few cancer types.However,the effect and molecular mechanism of curcumenol in lung cancer are largely unknown.Here,we found that curcumenol induced cell death and suppressed cell proliferation in lung cancer cells.Next,we demonstrated that ferroptosis was the predominant method that contributed to curcumenol-induced cell death of lung cancer in vitro and vivo for the first time.Subsequently,using RNA sequencing,we found that the long non-coding RNA H19(lncRNA H19)was significantly downregulated in lung cancer cells treated with curcumenol,when compared to untreated controls.Overexpression of lncRNA H19 eliminated the anticancer effect of curcumenol,while lncRNA H19 knockdown promoted ferroptosis induced by curcumenol treatment.Mechanistically,we showed that lncRNA H19 functioned as a competing endogenous RNA to bind to miR-19b-3p,thereby enhanced the transcription activity of its endogenous target,ferritin heavy chain 1(FTH1),a marker of ferroptosis.In conclusion,our data show that the natural product curcumenol exerted its antitumor effects on lung cancer by triggering ferroptosis,and the lncRNA H19/miR-19b-3p/FTH1 axis plays an essential role in curcumenol-induced ferroptotic cell death.Therefore,our findings will hopefully provide a valuable drug for treating lung cancer patients.
文摘目的:同时测定温郁金中5种成分含量,为郁金挥发油制定质量标准。方法:采用气相色谱法,HP-5MS气相色谱柱(30 m×0.25 mm×0.25μm Aglient),分流不分流进样口:温度250℃,FID检测器:温度300℃,H2:40 m L·min^(-1),空气:400 m L·min^(-1),流速1 m L·min^(-1),程序升温条件:70℃,10℃·min^(-1)至130℃,1℃·min^(-1)至140℃,5℃·min^(-1)至145.5℃,0.1℃·min^(-1)至146℃,2℃·min^(-1)至154℃0.1℃·min^(-1)至155℃,10℃·min^(-1)至280℃。结果:建立了同时测定温郁金中五种成分的气相色谱法。β-榄香烯、莪术醇、异莪术醇、吉马酮、莪术二酮的线性范围分别为13.75~220.00μg·mL^(-1)、5.41~86.50μg·mL^(-1)、15.75~252.00μg·mL^(-1)、3.44~55.00μg·mL^(-1)、14.75~236.00μg·mL^(-1)。精密度、重复性、24 h稳定性、加样回收率良好。结论:该方法操作简便,结果准确,可用于温郁金挥发油质量控制。
