目的探究布托啡诺(BUT)调节叉头框蛋白O3(FOXO3)-叉头框蛋白M1(FOXM1)信号轴对骨肉瘤细胞生物活性和化疗药物耐药性的影响。方法将2.0μmol/L顺铂(CDDP)处理的CDDP耐药MG-63细胞(MG-63/CDDP)分为对照组(MG-63/CDDP细胞用含0.05g/dl DMS...目的探究布托啡诺(BUT)调节叉头框蛋白O3(FOXO3)-叉头框蛋白M1(FOXM1)信号轴对骨肉瘤细胞生物活性和化疗药物耐药性的影响。方法将2.0μmol/L顺铂(CDDP)处理的CDDP耐药MG-63细胞(MG-63/CDDP)分为对照组(MG-63/CDDP细胞用含0.05g/dl DMSO培养液处理)、BUT组(40μg/ml BUT处理MG-63/CDDP细胞)、JY-2组(用100μmol/L FOXO3-FOXM1抑制剂JY-2处理MG-63/CDDP细胞)和BUT+JY-2组(用40μg/ml BUT以及100μmol/L JY-2处理MG-63/CDDP细胞)。CCK8法检测MG-63/CDDP细胞活性;流式细胞术检测MG-63/CDDP细胞凋亡情况;Transwell法检测MG-63/CDDP细胞迁移、侵袭情况;Western blot检测自噬蛋白以及FOXO3-FOXM1信号通路相关蛋白表达。结果与MG-63细胞相比,MG-63/CDDP细胞IC50增加(20.56±2.52μmol/L vs 0.97±0.10μmol/L),差异具有统计学意义(q=19.017,P<0.05),筛选出较适浓度1μmol/L CDDP用于后续实验。与对照组相比,BUT组MG-63/CDDP细胞A值(0.43±0.05 vs 0.68±0.06),细胞迁移数量(63.63±7.58个vs114.56±10.57个)以及侵袭数量(43.38±4.58个vs 79.56±8.48个)、自噬相关蛋白Beclin1(0.31±0.05 vs 0.62±0.07)和微管相关蛋白轻链3(LC3)-II/I蛋白(0.51±0.08 vs 0.98±0.11)水平均下降(q=6.763~9.591,均P<0.05),凋亡率(28.57%±3.14%vs 8.67%±1.46%),FOXO3(0.72±0.08 vs 0.33±0.04),FOXM1(1.22±0.15 vs 0.70±0.08)蛋白水平均上升(q=14.077,10.681,7.493,均P<0.05),而JY-2组MG-63/CDDP细胞A值(0.99±0.13 vs0.68±0.06),细胞迁移数量(147.59±15.37个vs 114.56±10.57个)以及侵袭数量(111.83±12.58个vs 79.56±8.48个),Beclin1(0.94±0.11 vs 0.62±0.07),LC3-II/I蛋白(1.27±0.13 vs 0.98±0.11)水平均升高(q=4.171~6.012,均P<0.05),凋亡率(4.56%±0.86%vs 8.67%±1.46%),FOXO3(0.17±0.01 vs 0.33±0.04),FOXM1(0.46±0.03 vs 0.70±0.08)蛋白水平降低(q=5.941,9.505,6.881,均P<0.05),差异具有统计学意义。JY-2逆转了BUT对MG-63/CDDP细胞活性和化疗耐药性的有利影响。结论BUT可能通过激活FOXO3-FOXM1信号通路调节骨肉瘤细胞的细胞活性和CDDP耐药性。展开更多
Objective:To examine the therapeutic effect of Fangji Fuling Decoction(FFD) on sepsis through network pharmacological analysis combined with in vitro and in vivo experiments.Methods:A sepsis mouse model was constructe...Objective:To examine the therapeutic effect of Fangji Fuling Decoction(FFD) on sepsis through network pharmacological analysis combined with in vitro and in vivo experiments.Methods:A sepsis mouse model was constructed through intraperitoneal injection of 20 mg/kg lipopolysaccharide(LPS).RAW264.7 cells were stimulated by 250 ng/m L LPS to establish an in vitro cell model.Network pharmacology analysis identified the key molecular pathway associated with FFD in sepsis.Through ectopic expression and depletion experiments,the effect of FFD on multiple organ damage in septic mice,as well as on cell proliferation and apoptosis in relation to the mitogen-activated protein kinase 14/Forkhead Box O 3A(MAPK14/FOXO3A) signaling pathway,was analyzed.Results:FFD reduced organ damage and inflammation in LPS-induced septic mice and suppressed LPS-induced macrophage apoptosis and inflammation in vitro(P<0.05).Network pharmacology analysis showed that FFD could regulate the MAPK14/FOXO signaling pathway during sepsis.As confirmed by in vitro cell experiments,FFD inhibited the MAPK14 signaling pathway or FOXO3A expression to relieve LPS-induced macrophage apoptosis and inflammation(P<0.05).Furthermore,FFD inhibited the MAPK14/FOXO3A signaling pathway to inhibit LPS-induced macrophage apoptosis in the lung tissue of septic mice(P<0.05).Conclusion:FFD could ameliorate the LPS-induced inflammatory response in septic mice by inhibiting the MAPK14/FOXO3A signaling pathway.展开更多
文摘目的探究布托啡诺(BUT)调节叉头框蛋白O3(FOXO3)-叉头框蛋白M1(FOXM1)信号轴对骨肉瘤细胞生物活性和化疗药物耐药性的影响。方法将2.0μmol/L顺铂(CDDP)处理的CDDP耐药MG-63细胞(MG-63/CDDP)分为对照组(MG-63/CDDP细胞用含0.05g/dl DMSO培养液处理)、BUT组(40μg/ml BUT处理MG-63/CDDP细胞)、JY-2组(用100μmol/L FOXO3-FOXM1抑制剂JY-2处理MG-63/CDDP细胞)和BUT+JY-2组(用40μg/ml BUT以及100μmol/L JY-2处理MG-63/CDDP细胞)。CCK8法检测MG-63/CDDP细胞活性;流式细胞术检测MG-63/CDDP细胞凋亡情况;Transwell法检测MG-63/CDDP细胞迁移、侵袭情况;Western blot检测自噬蛋白以及FOXO3-FOXM1信号通路相关蛋白表达。结果与MG-63细胞相比,MG-63/CDDP细胞IC50增加(20.56±2.52μmol/L vs 0.97±0.10μmol/L),差异具有统计学意义(q=19.017,P<0.05),筛选出较适浓度1μmol/L CDDP用于后续实验。与对照组相比,BUT组MG-63/CDDP细胞A值(0.43±0.05 vs 0.68±0.06),细胞迁移数量(63.63±7.58个vs114.56±10.57个)以及侵袭数量(43.38±4.58个vs 79.56±8.48个)、自噬相关蛋白Beclin1(0.31±0.05 vs 0.62±0.07)和微管相关蛋白轻链3(LC3)-II/I蛋白(0.51±0.08 vs 0.98±0.11)水平均下降(q=6.763~9.591,均P<0.05),凋亡率(28.57%±3.14%vs 8.67%±1.46%),FOXO3(0.72±0.08 vs 0.33±0.04),FOXM1(1.22±0.15 vs 0.70±0.08)蛋白水平均上升(q=14.077,10.681,7.493,均P<0.05),而JY-2组MG-63/CDDP细胞A值(0.99±0.13 vs0.68±0.06),细胞迁移数量(147.59±15.37个vs 114.56±10.57个)以及侵袭数量(111.83±12.58个vs 79.56±8.48个),Beclin1(0.94±0.11 vs 0.62±0.07),LC3-II/I蛋白(1.27±0.13 vs 0.98±0.11)水平均升高(q=4.171~6.012,均P<0.05),凋亡率(4.56%±0.86%vs 8.67%±1.46%),FOXO3(0.17±0.01 vs 0.33±0.04),FOXM1(0.46±0.03 vs 0.70±0.08)蛋白水平降低(q=5.941,9.505,6.881,均P<0.05),差异具有统计学意义。JY-2逆转了BUT对MG-63/CDDP细胞活性和化疗耐药性的有利影响。结论BUT可能通过激活FOXO3-FOXM1信号通路调节骨肉瘤细胞的细胞活性和CDDP耐药性。
文摘Objective:To examine the therapeutic effect of Fangji Fuling Decoction(FFD) on sepsis through network pharmacological analysis combined with in vitro and in vivo experiments.Methods:A sepsis mouse model was constructed through intraperitoneal injection of 20 mg/kg lipopolysaccharide(LPS).RAW264.7 cells were stimulated by 250 ng/m L LPS to establish an in vitro cell model.Network pharmacology analysis identified the key molecular pathway associated with FFD in sepsis.Through ectopic expression and depletion experiments,the effect of FFD on multiple organ damage in septic mice,as well as on cell proliferation and apoptosis in relation to the mitogen-activated protein kinase 14/Forkhead Box O 3A(MAPK14/FOXO3A) signaling pathway,was analyzed.Results:FFD reduced organ damage and inflammation in LPS-induced septic mice and suppressed LPS-induced macrophage apoptosis and inflammation in vitro(P<0.05).Network pharmacology analysis showed that FFD could regulate the MAPK14/FOXO signaling pathway during sepsis.As confirmed by in vitro cell experiments,FFD inhibited the MAPK14 signaling pathway or FOXO3A expression to relieve LPS-induced macrophage apoptosis and inflammation(P<0.05).Furthermore,FFD inhibited the MAPK14/FOXO3A signaling pathway to inhibit LPS-induced macrophage apoptosis in the lung tissue of septic mice(P<0.05).Conclusion:FFD could ameliorate the LPS-induced inflammatory response in septic mice by inhibiting the MAPK14/FOXO3A signaling pathway.
