OBJECTIVE:To investigate the chemical characters of water-extract of Baqi Lingmao formula(巴芪灵猫方,BQLM formula)and its effects on anti-liver injury in model mice and live cells.METHODS:BQLM formula was composed of ...OBJECTIVE:To investigate the chemical characters of water-extract of Baqi Lingmao formula(巴芪灵猫方,BQLM formula)and its effects on anti-liver injury in model mice and live cells.METHODS:BQLM formula was composed of ten herbal medicines.We determined the contents of alkaloids,saponins,phenolic acids and flavonoid in BQLM formula by UV spectrophotometry.The active components of alkaloids and phenolic acids in BQLM formula were identified by HPLC chromatography.The anti-hepatic injury effects of BQLM formula were investigated with concanavalin A(Con A)-induced hepatitis model of mice,human liver LO2 and Hep G2.2.15 cells.RESULTS:BQLM formula(2 and 10 g/kg,orally)significantly improved the damages of liver tissues and functions caused by Con A in mice,reduced the infiltration of inflammatory cells into liver and inhibited the inflammatory cytokine secretion of interferon-γ,tumor necrosis factor-αand interleukin-6.BQLM formula simultaneously decreased the levels of alanine aminotransferase and aspartate aminotransferase of liver and serum,and recovered the superoxide dismutase and catalase activities of liver to normal levels in Con A-induced hepatic-injury mice.The serum of BQLM formula group stimulated the human liver LO2 cell proliferation in vitro.Further,BQLM formula obviously promoted the proliferation of normal hepatocytes(LO2 cells)and inhibited the hepatocytes death induced by Con A.It also significantly inhibited the proliferation of Hep G2.2.15 cells and decreased the secretion of HBs Ag and HBe Ag in vitro.CONCLUSIONS:BQLM formula has anti-inflammation and anti-hepatitis virus Beffects,and is capable of improving liver injury in vivo and in vitro.展开更多
目的研究灵猫方对饥饿诱导HepG2.2.15细胞自噬的作用。方法选取15只SD大鼠制备灵猫方药物血清,设立厄尔平衡盐缓冲液(Earle's balanced salt solution,EBSS)组、EBSS+空白血清组、EBSS+5倍药物血清组、EBSS+10倍药物血清组及DMEM组...目的研究灵猫方对饥饿诱导HepG2.2.15细胞自噬的作用。方法选取15只SD大鼠制备灵猫方药物血清,设立厄尔平衡盐缓冲液(Earle's balanced salt solution,EBSS)组、EBSS+空白血清组、EBSS+5倍药物血清组、EBSS+10倍药物血清组及DMEM组,每组3个样本。培养HepG2.2.15细胞1、2、4及6h,构建pEGFP-N1-LC3B表达载体,转染HepG2.2.15细胞,在荧光显微镜下观察细胞浆中GFP-LC3B分布表达变化,计算点状样GFP-LC3B的细胞数与GFP-LC3B转染HepG2.2.15细胞数比值。透射电镜观察各组HepG2.2.15细胞浆内自噬体。Western Blot检测各组HepG2.2.15细胞LC3BⅡ/Ⅰ比值(microtubule-associ-ated protein 1 light chain 3 betaⅡ/Ⅰ)。结果培养2h时,与EBSS+空白血清组比较,EBSS+5倍药物血清、EBSS+10倍药物血清明显抑制GFP-LC3B由散在分布向点状分布改变(P<0.01),电子透射电镜显示EBSS+5倍药物血清组、EBSS+10倍药物血清组抑制自噬体形成,Western Blot检测显示EBSS+10倍药物血清组LC3BⅡ/Ⅰ比值较EBSS+空白血清组明显下降(P<0.01)。结论灵猫方药物血清抑制饥饿诱导HepG2.2.15的自噬。展开更多
基金Supported by Science Research Project of Thirteen Five-Year Plan(Optimization of Treatment Scheme of Integrated Traditional Chinese and Western Medicine for Hbeag Negative Chronic Hepatitis B,No.2018ZX10725-504)。
文摘OBJECTIVE:To investigate the chemical characters of water-extract of Baqi Lingmao formula(巴芪灵猫方,BQLM formula)and its effects on anti-liver injury in model mice and live cells.METHODS:BQLM formula was composed of ten herbal medicines.We determined the contents of alkaloids,saponins,phenolic acids and flavonoid in BQLM formula by UV spectrophotometry.The active components of alkaloids and phenolic acids in BQLM formula were identified by HPLC chromatography.The anti-hepatic injury effects of BQLM formula were investigated with concanavalin A(Con A)-induced hepatitis model of mice,human liver LO2 and Hep G2.2.15 cells.RESULTS:BQLM formula(2 and 10 g/kg,orally)significantly improved the damages of liver tissues and functions caused by Con A in mice,reduced the infiltration of inflammatory cells into liver and inhibited the inflammatory cytokine secretion of interferon-γ,tumor necrosis factor-αand interleukin-6.BQLM formula simultaneously decreased the levels of alanine aminotransferase and aspartate aminotransferase of liver and serum,and recovered the superoxide dismutase and catalase activities of liver to normal levels in Con A-induced hepatic-injury mice.The serum of BQLM formula group stimulated the human liver LO2 cell proliferation in vitro.Further,BQLM formula obviously promoted the proliferation of normal hepatocytes(LO2 cells)and inhibited the hepatocytes death induced by Con A.It also significantly inhibited the proliferation of Hep G2.2.15 cells and decreased the secretion of HBs Ag and HBe Ag in vitro.CONCLUSIONS:BQLM formula has anti-inflammation and anti-hepatitis virus Beffects,and is capable of improving liver injury in vivo and in vitro.