目的探讨益心康对体外感染柯萨奇病毒(CV)B3的新生SD大鼠心肌细胞的保护作用,分析其对细胞凋亡相关因子Fas/Fas L mRNA表达的影响。方法取新生SD大鼠心肌细胞,分成4组并进行不同干预:正常细胞对照组、病毒对照组给予感染病毒,益心康组...目的探讨益心康对体外感染柯萨奇病毒(CV)B3的新生SD大鼠心肌细胞的保护作用,分析其对细胞凋亡相关因子Fas/Fas L mRNA表达的影响。方法取新生SD大鼠心肌细胞,分成4组并进行不同干预:正常细胞对照组、病毒对照组给予感染病毒,益心康组感染病毒后加入益心康,利巴韦林组感染病毒后加入利巴韦林。用RT-PCR方法检测各组心肌细胞中Fas及Fas L mRNA的表达。结果益心康组给药48h后细胞内Fas及Fas L mRNA的表达较病毒对照组降低,差异有统计学意义(P<0.05)。益心康组及利巴韦林组减轻Fas及Fas L mRNA的表达效果差异无统计学意义(P>0.05)。结论益心康可有效减轻细胞凋亡相关因子Fas/Fas L mRNA的表达水平,证实该方有抑制心肌细胞凋亡的作用。展开更多
AIM: Bicyclol, 4,4'-dimethoxy-5,6,5',6'-dimethylene-dioxy-2-hydroxymethy1-2'-carbonyl biphenyl, is a new anti-hepatitis drug. The aim of the present study was to investigate the protective effect of bi...AIM: Bicyclol, 4,4'-dimethoxy-5,6,5',6'-dimethylene-dioxy-2-hydroxymethy1-2'-carbonyl biphenyl, is a new anti-hepatitis drug. The aim of the present study was to investigate the protective effect of bicyclol on concanavalin A (Con A)-induced immunological liver injury in mice and its mechanism. METHODS: Liver injury was induced by injection of Con A via tail vein of mice and assessed biochemically and histologically. Serum transaminase and tumor necrosis factor alpha (TNF-a were determined. Liver lesions were observed by light microscope. Expressions of TNF-a, interferon gamma (IFN-y), Fas and Fas ligand (FasL) mRNA in the livers were measured by RT-PCR. RESULTS: Serum transaminase level and liver lesions in Con A-induced mice were markedly reduced by oral administration of 100, 200 mg/kg of bicyclol. TNF-a level inserum was also reduced by bicyclol. Con A injection in ducedup-regulation of TNF-a, IFN-7, Fas and FasL mRNA expression in liver tissues. Bicyclol significantly down-regulated the expression of IFN-y, Fas and FasL mRNA, but only slightly affected TNF-a mRNA expression in liver tissues. CONCLUSION: Bicyclol protects against Con A-induced liver injury mainly through inhibition of Fas/FasL mRNA expression in liver tissues and TNF-a release in mice.展开更多
文摘目的探讨益心康对体外感染柯萨奇病毒(CV)B3的新生SD大鼠心肌细胞的保护作用,分析其对细胞凋亡相关因子Fas/Fas L mRNA表达的影响。方法取新生SD大鼠心肌细胞,分成4组并进行不同干预:正常细胞对照组、病毒对照组给予感染病毒,益心康组感染病毒后加入益心康,利巴韦林组感染病毒后加入利巴韦林。用RT-PCR方法检测各组心肌细胞中Fas及Fas L mRNA的表达。结果益心康组给药48h后细胞内Fas及Fas L mRNA的表达较病毒对照组降低,差异有统计学意义(P<0.05)。益心康组及利巴韦林组减轻Fas及Fas L mRNA的表达效果差异无统计学意义(P>0.05)。结论益心康可有效减轻细胞凋亡相关因子Fas/Fas L mRNA的表达水平,证实该方有抑制心肌细胞凋亡的作用。
基金Supported by the Grant from Ministry of Science and Technology of China,No.94-ZD-02
文摘AIM: Bicyclol, 4,4'-dimethoxy-5,6,5',6'-dimethylene-dioxy-2-hydroxymethy1-2'-carbonyl biphenyl, is a new anti-hepatitis drug. The aim of the present study was to investigate the protective effect of bicyclol on concanavalin A (Con A)-induced immunological liver injury in mice and its mechanism. METHODS: Liver injury was induced by injection of Con A via tail vein of mice and assessed biochemically and histologically. Serum transaminase and tumor necrosis factor alpha (TNF-a were determined. Liver lesions were observed by light microscope. Expressions of TNF-a, interferon gamma (IFN-y), Fas and Fas ligand (FasL) mRNA in the livers were measured by RT-PCR. RESULTS: Serum transaminase level and liver lesions in Con A-induced mice were markedly reduced by oral administration of 100, 200 mg/kg of bicyclol. TNF-a level inserum was also reduced by bicyclol. Con A injection in ducedup-regulation of TNF-a, IFN-7, Fas and FasL mRNA expression in liver tissues. Bicyclol significantly down-regulated the expression of IFN-y, Fas and FasL mRNA, but only slightly affected TNF-a mRNA expression in liver tissues. CONCLUSION: Bicyclol protects against Con A-induced liver injury mainly through inhibition of Fas/FasL mRNA expression in liver tissues and TNF-a release in mice.