Objective:To observe the protective effect of propofol on liver injury in rats with sepsis and explore its protective mechanism.Methods:24 Wister rats were randomly divided into 3 groups,with 8 rats in each group:the ...Objective:To observe the protective effect of propofol on liver injury in rats with sepsis and explore its protective mechanism.Methods:24 Wister rats were randomly divided into 3 groups,with 8 rats in each group:the sham operation group,the saline group and the propofol group.An intraperitoneal injection of LPS 8 mg/kg was used in the saline group,with continuous infusion of normal saline.An intraperitoneal injection of LPS 8 mg/kg and continuous infusion of propofol saline solution were also performed in the propofol group.Results:Compared with the saline group,the levels of ALT,AST,IL-6 and TNF-αin the sham operation group and the propofol group were significantly lower than those in the saline group.Conclusions:Propofol has a certain protective effect on liver injury in rats with sepsis.展开更多
Objective To explore protective effect of hydrogen - rich saline on liver ischemia reperfusion ( IR) in mice and possible mechanisms. Methods Twenty - four C57BL /6 mice were randomly divided into 3 groups: sham - ope...Objective To explore protective effect of hydrogen - rich saline on liver ischemia reperfusion ( IR) in mice and possible mechanisms. Methods Twenty - four C57BL /6 mice were randomly divided into 3 groups: sham - operated group,control group ( mice were injec-展开更多
A new class of potent liver injury protective compounds,phychetins A-D(1-4)featuring an unique 6/6/5/6/5 pentacyclic framework,were isolated and structurally characterized from a Chinese medicinal plant Phyllanthus fr...A new class of potent liver injury protective compounds,phychetins A-D(1-4)featuring an unique 6/6/5/6/5 pentacyclic framework,were isolated and structurally characterized from a Chinese medicinal plant Phyllanthus franchetianus.Compounds 2-4 are three pairs of enantiomers that were initially obtained in a racemic manner,and were further separated by chiral HPLC preparation.Compounds 1-4 were proposed to be originated biosynthetically from a coexisting lignan via an intramolecular Friedel-Crafts reaction as the key step.A bioinspired total synthesis strategy was thus designated,and allowed the effective syntheses of compounds 2-4 in high yields.Some of compounds exhibited significant anti-inflammatory activities in vitro via suppressing the production of pro-inflammatory cytokine IL-1β.Notably,compound 4,the most active enantiomeric pair in vitro,displayed prominent potent protecting activity against liver injury at a low dose of 3 mg/kg in mice,which could serve as a promising lead for the development of acute liver injury therapeutic agent.展开更多
文摘Objective:To observe the protective effect of propofol on liver injury in rats with sepsis and explore its protective mechanism.Methods:24 Wister rats were randomly divided into 3 groups,with 8 rats in each group:the sham operation group,the saline group and the propofol group.An intraperitoneal injection of LPS 8 mg/kg was used in the saline group,with continuous infusion of normal saline.An intraperitoneal injection of LPS 8 mg/kg and continuous infusion of propofol saline solution were also performed in the propofol group.Results:Compared with the saline group,the levels of ALT,AST,IL-6 and TNF-αin the sham operation group and the propofol group were significantly lower than those in the saline group.Conclusions:Propofol has a certain protective effect on liver injury in rats with sepsis.
文摘Objective To explore protective effect of hydrogen - rich saline on liver ischemia reperfusion ( IR) in mice and possible mechanisms. Methods Twenty - four C57BL /6 mice were randomly divided into 3 groups: sham - operated group,control group ( mice were injec-
基金Financial support from the National Natural Science Foundations of China(No.22237007,22177121 and 92057116)supported by the grants from Science and Technology Commission of Shanghai Municipality(No.20ZR1467800 and 19431908100,China)。
文摘A new class of potent liver injury protective compounds,phychetins A-D(1-4)featuring an unique 6/6/5/6/5 pentacyclic framework,were isolated and structurally characterized from a Chinese medicinal plant Phyllanthus franchetianus.Compounds 2-4 are three pairs of enantiomers that were initially obtained in a racemic manner,and were further separated by chiral HPLC preparation.Compounds 1-4 were proposed to be originated biosynthetically from a coexisting lignan via an intramolecular Friedel-Crafts reaction as the key step.A bioinspired total synthesis strategy was thus designated,and allowed the effective syntheses of compounds 2-4 in high yields.Some of compounds exhibited significant anti-inflammatory activities in vitro via suppressing the production of pro-inflammatory cytokine IL-1β.Notably,compound 4,the most active enantiomeric pair in vitro,displayed prominent potent protecting activity against liver injury at a low dose of 3 mg/kg in mice,which could serve as a promising lead for the development of acute liver injury therapeutic agent.