Objective:To investigate the effects of silkworm pupa(Bombyx mori) protein(SPP) on cell proliferation,apoptosis and energy metabolism in human colon cancer cells DLD-1.Methods:CCK-8 was used to detect cell proliferati...Objective:To investigate the effects of silkworm pupa(Bombyx mori) protein(SPP) on cell proliferation,apoptosis and energy metabolism in human colon cancer cells DLD-1.Methods:CCK-8 was used to detect cell proliferation rate after 72 h of cell culture for the control group(normal cultured DLD-1 cells) and SPP dose groups;Annexin-V/PI was applied to observe cell apoptosis;XFe24 Extracellular Flux Analyzer was used to detect cell mitochondrial respiratory function and glycolytic function.Results:Comparing with the control,SPP significantly inhibited the proliferation of DLD-1 cells with all the dosage tested(P <0.01);flow cytometry showed that SPP significantly promoted apoptosis(P<0.05).Additionally,SPP could significantly inhibited mitochondrial metabolism and glycolysis of DLD-1 cells and decreased cell energy metabolism in all groups treated with different doses.Conclusion:SPP can cause oxidative damage,promote apoptosis,and reduce mitochondrial respiratory and glycolysis rate in colon cancer DLD-1 cells,which reveals that SPP has the potential to serve as the anti-cancer drugs in the future,but further experimental evidence is needed.展开更多
辅助性T细胞17(T help 17cells,Thl7)是机体内存在的一种新型的不同于传统辅助性T细胞1(T help 1 cells,Thl)和辅助性T细胞2(T help 2 cells,Th2)的CD4+效应T细胞,该细胞是由初始T细胞前体分化而来,具有独立的分化和发育调节机制。活化...辅助性T细胞17(T help 17cells,Thl7)是机体内存在的一种新型的不同于传统辅助性T细胞1(T help 1 cells,Thl)和辅助性T细胞2(T help 2 cells,Th2)的CD4+效应T细胞,该细胞是由初始T细胞前体分化而来,具有独立的分化和发育调节机制。活化的Th17细胞通过分泌白细胞介素(interleukin,IL)-17、IL-21、IL-22等细胞因子导致炎症和疾病的发生。Thl7细胞及其细胞因子在感染性疾病、自身免疫病以及移植排斥反应中发挥重要的作用,但在肿瘤免疫中的作用却知之甚少。目前已在人类多种恶性肿瘤组织及外周血中检测到Thl7细胞及其细胞因子的存在,关于Thl7细胞及其细胞因子在肿瘤发生发展中的作用,究竟是促进肿瘤还是抑制肿瘤仍存在较多争议,是近年来肿瘤免疫研究的热点。文中就Th17细胞并其相关细胞因子在肿瘤中的研究进展进行综述。展开更多
文摘Objective:To investigate the effects of silkworm pupa(Bombyx mori) protein(SPP) on cell proliferation,apoptosis and energy metabolism in human colon cancer cells DLD-1.Methods:CCK-8 was used to detect cell proliferation rate after 72 h of cell culture for the control group(normal cultured DLD-1 cells) and SPP dose groups;Annexin-V/PI was applied to observe cell apoptosis;XFe24 Extracellular Flux Analyzer was used to detect cell mitochondrial respiratory function and glycolytic function.Results:Comparing with the control,SPP significantly inhibited the proliferation of DLD-1 cells with all the dosage tested(P <0.01);flow cytometry showed that SPP significantly promoted apoptosis(P<0.05).Additionally,SPP could significantly inhibited mitochondrial metabolism and glycolysis of DLD-1 cells and decreased cell energy metabolism in all groups treated with different doses.Conclusion:SPP can cause oxidative damage,promote apoptosis,and reduce mitochondrial respiratory and glycolysis rate in colon cancer DLD-1 cells,which reveals that SPP has the potential to serve as the anti-cancer drugs in the future,but further experimental evidence is needed.
文摘辅助性T细胞17(T help 17cells,Thl7)是机体内存在的一种新型的不同于传统辅助性T细胞1(T help 1 cells,Thl)和辅助性T细胞2(T help 2 cells,Th2)的CD4+效应T细胞,该细胞是由初始T细胞前体分化而来,具有独立的分化和发育调节机制。活化的Th17细胞通过分泌白细胞介素(interleukin,IL)-17、IL-21、IL-22等细胞因子导致炎症和疾病的发生。Thl7细胞及其细胞因子在感染性疾病、自身免疫病以及移植排斥反应中发挥重要的作用,但在肿瘤免疫中的作用却知之甚少。目前已在人类多种恶性肿瘤组织及外周血中检测到Thl7细胞及其细胞因子的存在,关于Thl7细胞及其细胞因子在肿瘤发生发展中的作用,究竟是促进肿瘤还是抑制肿瘤仍存在较多争议,是近年来肿瘤免疫研究的热点。文中就Th17细胞并其相关细胞因子在肿瘤中的研究进展进行综述。
