目的:构建携带人白细胞介素(human interleukin,hIL)-10基因的腺病毒载体,细胞学及动物模型实验鉴定其介导的目的基因表达,并验证其对大鼠肝细胞损伤的保护作用。方法:以pORF-hIL10质粒为模板,PCR扩增hIL-10基因,插入腺病毒质粒pDC315,...目的:构建携带人白细胞介素(human interleukin,hIL)-10基因的腺病毒载体,细胞学及动物模型实验鉴定其介导的目的基因表达,并验证其对大鼠肝细胞损伤的保护作用。方法:以pORF-hIL10质粒为模板,PCR扩增hIL-10基因,插入腺病毒质粒pDC315,构建pDC315-hIL10。将质粒pDC315-hIL10与腺病毒包装质粒共转染至293细胞,产生复制缺陷型重组腺病毒Ad5-hIL10;感染大鼠肝细胞,免疫学方法鉴定目的基因的表达;建立体内外大鼠肝细胞损伤模型,验证Ad5-hIL10对肝细胞损伤的保护作用。结果:经PCR扩增、鉴定,证明已正确构建重组腺病毒Ad5-hIL10。大鼠肝细胞感染Ad5-hIL10后,随着病毒感染强度的升高,hIL-10表达明显上升。大鼠肝细胞体外培养模型预先感染病毒Ad5-hIL10,经四氯化碳诱导损伤,则细胞存活率随感染强度(multiplicity of infection,MOI)值升高而增加,至MOI=50时,细胞存活率恢复至92%;大鼠体内肝损伤模型显示,与损伤对照组和空白病毒对照组比较,Ad5-hIL10处理的大鼠肝细胞水样变性和间质炎症反应均减轻,肝功能的各项指标均有明显改善(P<0.05)。结论:成功构建了重组腺病毒质粒Ad5-hIL10,且能明显提高肝细胞的存活能力,对肝功能有明显保护作用。展开更多
To study the effect and the mechanism of Zuogui Pill on the deficiency of kidney essence and liver blood.Methods:Established the model of deficiency of kidney essence and liver blood of rat(the model of MSG regenerati...To study the effect and the mechanism of Zuogui Pill on the deficiency of kidney essence and liver blood.Methods:Established the model of deficiency of kidney essence and liver blood of rat(the model of MSG regeneration rat).Observing the deficiency kidney essence and liver blood and ARN or regeneration liver of expression transforming growth factor type 1 beta(TGF β 1).Results:The liver regeneration of the model of MSG regeneration rat,postoperated on 11th day,the degree of liver regeneration was 0 58±0 03,the rate of liver weight/body weight was 3 27±0 12,MI was 0 11±0 02,RBC was 3 83±0 09×10 12 /L,Hb was 119 0±8 3g/L.The group of treatment by Zuogui Pill(dosage 5g/kg daily),postoperated on 11th day,the degree of liver regeneration was 0 84±0 04,the rate of liver weight/body weight was 3 85±0 14,MI was 0 11±0 02,RBC was 5 12±0 06×10 12 /L,Hb was 172 7±3 9g/L.The above datum were significantly different among the groups.The observation results showed MSG induced injury to ARN of the rat treated with monosodium glutamate.Comparing to the model of MSG regeneration rat group,it showed that Zuogui Pill could obviously inhibited the ARN injury in the rat treated with monosodium glutamate.The maladjustment in liver regeneration of the model of MSG regeneration rat,in the end,the liver regeneration was significantly inhibited.The effect of promoting liver regeneration in the model of MSG regeneration rat treated by gastrogavage Zuogui Pill.All data are reported as means±SE.When this analysis revealed a significant difference(p<0 05 or p<0 01).TGF β 1 has an obviously higher expression in liver and ARN during liver regeneration of the model of MSG regeneration rat.The effect of regulation of TGF β 1 expression in liver and ARN of the model of MSG regeneration rat treated by gastrogavage Zuogui Pill.The effect inhibited the deficiency of kidney essence and liver blood of the model MSG regeneration rat treated by gastrogavage Zuogui Pill.Conclusion:The deficiency of kidney essence and liver blood of the model of MSG regeneration rat can be improved gastrogavage Zuogui Pill.The effect of regulation TGF β 1 expression in liver and ARN of the model of MSG regeneration rat treated by gastrogavage.展开更多
目的 以普伐他汀为BSEP底物,在“三明治”培养大鼠原代肝细胞模型上(sandwich-cultured rat hepatocytes, SCRH),研究利福平及联用丹参酮ⅡA对BSEP转运能力的影响。方法构建SCRH模型,利用MTT筛选给药剂量;建立普伐他汀的HPLC-MS/MS检测...目的 以普伐他汀为BSEP底物,在“三明治”培养大鼠原代肝细胞模型上(sandwich-cultured rat hepatocytes, SCRH),研究利福平及联用丹参酮ⅡA对BSEP转运能力的影响。方法构建SCRH模型,利用MTT筛选给药剂量;建立普伐他汀的HPLC-MS/MS检测方法并进行方法学验证;考察利福平及联用丹参酮ⅡA对胆管内普伐他汀浓度的影响,并计算胆管外排指数(biliary excretion index, BEI)。结果成功构建了SCRH模型,并确定了利福平、丹参酮ⅡA、格列本脲及普伐他汀的合适给药剂量;建立了稳定可靠的普伐他汀HPLC-MS/MS检测方法;与空白组相比,利福平能够降低胆管内普伐他汀的浓度和普伐他汀的BEI,高浓度利福平的降低效果最明显( P <0.01);与利福平高浓度组相比,联用丹参酮ⅡA后,胆管中普伐他汀的浓度以及普伐他汀的BEI增大,高浓度丹参酮ⅡA的增加效果最明显( P <0.01)。结论在SCRH中,利福平能够抑制BSEP的转运能力,丹参酮ⅡA可以逆转利福平对BSEP转运能力的抑制作用。展开更多
文摘目的:构建携带人白细胞介素(human interleukin,hIL)-10基因的腺病毒载体,细胞学及动物模型实验鉴定其介导的目的基因表达,并验证其对大鼠肝细胞损伤的保护作用。方法:以pORF-hIL10质粒为模板,PCR扩增hIL-10基因,插入腺病毒质粒pDC315,构建pDC315-hIL10。将质粒pDC315-hIL10与腺病毒包装质粒共转染至293细胞,产生复制缺陷型重组腺病毒Ad5-hIL10;感染大鼠肝细胞,免疫学方法鉴定目的基因的表达;建立体内外大鼠肝细胞损伤模型,验证Ad5-hIL10对肝细胞损伤的保护作用。结果:经PCR扩增、鉴定,证明已正确构建重组腺病毒Ad5-hIL10。大鼠肝细胞感染Ad5-hIL10后,随着病毒感染强度的升高,hIL-10表达明显上升。大鼠肝细胞体外培养模型预先感染病毒Ad5-hIL10,经四氯化碳诱导损伤,则细胞存活率随感染强度(multiplicity of infection,MOI)值升高而增加,至MOI=50时,细胞存活率恢复至92%;大鼠体内肝损伤模型显示,与损伤对照组和空白病毒对照组比较,Ad5-hIL10处理的大鼠肝细胞水样变性和间质炎症反应均减轻,肝功能的各项指标均有明显改善(P<0.05)。结论:成功构建了重组腺病毒质粒Ad5-hIL10,且能明显提高肝细胞的存活能力,对肝功能有明显保护作用。
文摘To study the effect and the mechanism of Zuogui Pill on the deficiency of kidney essence and liver blood.Methods:Established the model of deficiency of kidney essence and liver blood of rat(the model of MSG regeneration rat).Observing the deficiency kidney essence and liver blood and ARN or regeneration liver of expression transforming growth factor type 1 beta(TGF β 1).Results:The liver regeneration of the model of MSG regeneration rat,postoperated on 11th day,the degree of liver regeneration was 0 58±0 03,the rate of liver weight/body weight was 3 27±0 12,MI was 0 11±0 02,RBC was 3 83±0 09×10 12 /L,Hb was 119 0±8 3g/L.The group of treatment by Zuogui Pill(dosage 5g/kg daily),postoperated on 11th day,the degree of liver regeneration was 0 84±0 04,the rate of liver weight/body weight was 3 85±0 14,MI was 0 11±0 02,RBC was 5 12±0 06×10 12 /L,Hb was 172 7±3 9g/L.The above datum were significantly different among the groups.The observation results showed MSG induced injury to ARN of the rat treated with monosodium glutamate.Comparing to the model of MSG regeneration rat group,it showed that Zuogui Pill could obviously inhibited the ARN injury in the rat treated with monosodium glutamate.The maladjustment in liver regeneration of the model of MSG regeneration rat,in the end,the liver regeneration was significantly inhibited.The effect of promoting liver regeneration in the model of MSG regeneration rat treated by gastrogavage Zuogui Pill.All data are reported as means±SE.When this analysis revealed a significant difference(p<0 05 or p<0 01).TGF β 1 has an obviously higher expression in liver and ARN during liver regeneration of the model of MSG regeneration rat.The effect of regulation of TGF β 1 expression in liver and ARN of the model of MSG regeneration rat treated by gastrogavage Zuogui Pill.The effect inhibited the deficiency of kidney essence and liver blood of the model MSG regeneration rat treated by gastrogavage Zuogui Pill.Conclusion:The deficiency of kidney essence and liver blood of the model of MSG regeneration rat can be improved gastrogavage Zuogui Pill.The effect of regulation TGF β 1 expression in liver and ARN of the model of MSG regeneration rat treated by gastrogavage.
文摘目的 以普伐他汀为BSEP底物,在“三明治”培养大鼠原代肝细胞模型上(sandwich-cultured rat hepatocytes, SCRH),研究利福平及联用丹参酮ⅡA对BSEP转运能力的影响。方法构建SCRH模型,利用MTT筛选给药剂量;建立普伐他汀的HPLC-MS/MS检测方法并进行方法学验证;考察利福平及联用丹参酮ⅡA对胆管内普伐他汀浓度的影响,并计算胆管外排指数(biliary excretion index, BEI)。结果成功构建了SCRH模型,并确定了利福平、丹参酮ⅡA、格列本脲及普伐他汀的合适给药剂量;建立了稳定可靠的普伐他汀HPLC-MS/MS检测方法;与空白组相比,利福平能够降低胆管内普伐他汀的浓度和普伐他汀的BEI,高浓度利福平的降低效果最明显( P <0.01);与利福平高浓度组相比,联用丹参酮ⅡA后,胆管中普伐他汀的浓度以及普伐他汀的BEI增大,高浓度丹参酮ⅡA的增加效果最明显( P <0.01)。结论在SCRH中,利福平能够抑制BSEP的转运能力,丹参酮ⅡA可以逆转利福平对BSEP转运能力的抑制作用。