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作品数:12 被引量:120H指数:8
相关作者:胡义扬冯琴崔剑巍方志红彭景华更多>>
相关机构:上海中医药大学附属曙光医院上海中医药大学更多>>
发文基金:国家自然科学基金上海市教育委员会重点学科基金上海市青年科技启明星计划更多>>
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酒精性肝损伤与小肠通透性改变的关系及中药的干预作用被引量:8
2005年
To investigate the effects and to elucidate the mechanism of Chinese herbs Recipe(consisting of Rhizoma Atractylodis Macrocephalae, Radix Salviae Simplicifoliae, Fructus Aurantii, et al) on antagonizing alcoholic liver injury from the pathological relationship between alcoholic liver injury, gut permeability and endotoxin leakage. The SD rats were fed the Lieber- Decarli liquid alcohol die(t35% of calories from alcohol)to deveclp the alcoholic liver injury model. 42 male SD rats were divided into 4 groups:normal group(n=6),no- alcohol liquid diet group in which alcohol was replaced with carbohydrates(Control group, n=12), alcohol liquid diet group(alcohol group, n=12) and alcohol liquid eiet with Chinese herbs group(herbs group, n=12). Starting from the third week, the rats were fed distilled water, no- alcohol liquid diet, alcohol liquid diet or alcoholic liquid diet with Chinese herbs by intragastric infusion for 6 weeks. Then the rats were fast for 5 h. After that, each group received 10 mg/kg of endotoxin(lipidopolysacchride, LPS)by intragastric infusion. 3.5 hours later, the blood from portal vein and vena cava was harvested and liver biopsy was performed to analyze:1. The histopathological change in small intestine (HE staining and electron microscopic observation); 2. The histopathological change in liver(HE staining, oil red O staining); 3. The TG and r- GT activities in liver and the ALT, AST activities in serum; 4. The plasma endotoxin level in portal vein blood; 5. The protein expressions(on Wetern blot) of P- I k B and TNF- a in liver.Results: that It is 1.Fatty degeneration was seen in over 1/3 of the heptocytes in the alcohol group. The liver TG level in this group was about 7.3 times higher than that in the normal group and 4.9 times higher than that in the control group. In addition, the serum ALT, AST activities as well as liver r- GT activity in the alcohol group were significantly elevated than those in the normal and control group. Observation under electron microscopy revaled swelling, degene
胡义扬方志红崔剑巍王晓柠彭景华冯琴张慧
关键词:酒精肝损伤内毒素中药
Lieber-DeCarli酒精性肝损伤模型的复制被引量:17
2006年
目的复制经典的酒精性肝损伤动物模型,为防治酒精性肝损伤的实验研究提供理想的研究工具。方法根据Lieber-DeCarli酒精液体饲料配方配制含酒精和不含酒精而热卡相同的液体饲料。23只大鼠随机分正常对照组(n=5)、无酒精液体饲料组(n=9)、酒精液体饲料组(n=9)。正常对照组大鼠给予常规饲料,无酒精液体饲料组与酒精液体饲料组分别定量给予相应液体饲料自动饮服。8周后,观察大鼠肝组织病理形态、肝细胞超微结构的变化,血清丙氨酸氨基转移酶(alanineaminotransferase,ALT)、天冬氨酸氨基转移酶(aspartateaminotransferase,AST)以及肝组织γ-谷氨酰转肽酶(γ-glutamyltransferase,γ-GT)活性、甘油三酯(triglyceride,TG)含量,以及脂质过氧化损伤相关指标的变化。结果酒精液体饲料组大鼠血清ALT、AST活性,肝组织TG含量以及脂质过氧化产物较正常对照组和无酒精液体饲料组有较大幅度的升高,同时抗氧化物质减少;酒精液体饲料组肝细胞肿胀、脂肪变性等病理改变严重。结论自行配制Lieber-DeCarli液体饲料可成功复制出早期酒精性肝损伤病理改变的大鼠模型。
方志红崔剑巍曹健美彭景华冯琴胡义扬
关键词:酒精肝损伤超微结构
健脾活血方预防急性醉酒的实验研究
目的:研究健脾活血方对大鼠急性醉酒的预防作用。方法:将SD大鼠28只随机分正常组(8只)、模型组(10只)和健脾活血方组(10只)。各组预先给饮用水或药4d,2次/d,每次灌胃剂量10mL/kg体质量(生药量9g/mL)...
徐琳冯琴彭景华傅琪琳黄甫赵瑜陈亮王文静孟胜喜胡义扬
关键词:健脾活血方乙醇代谢酶
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姜黄素对内毒素脂多糖诱导的库普弗细胞分泌炎症细胞因子的抑制作用被引量:8
2006年
[目的]观察姜黄素对内毒素脂多糖(LPS)诱导的库普弗细胞(KC)分泌炎症细胞因子的影响。[方法]分离并培养KC 48 h后,分设不同浓度姜黄素组,作用于KC 3 h,确立无毒性的剂量范围;分正常组、LPS组、LPS加姜黄素组(分3种浓度),在添加姜黄素1 h后,加LPS(0.1μg/ml培养液)刺激2 h。取上清用ELISA法测定肿瘤坏死因子α(TNF-α)、放免法测白细胞介素1β(IL-1β)和IL-6水平;并以细胞免疫荧光化学法观察细胞TNF-α蛋白的表达和分布。[结果]不同浓度组姜黄素均能显著降低TNF-αI、L-1β和IL-6的水平以及细胞TNF-α蛋白的表达,量效关系显著。[结论]姜黄素对LPS诱导的KC炎症细胞因子分泌有显著的抑制作用。
彭景华曹健美王晓柠冯琴胡义扬
关键词:姜黄素库普弗细胞细胞因子
健脾活血方对内毒素诱导肝脏TNF-α蛋白和基因表达的抑制作用被引量:9
2007年
目的探讨具有抗慢性酒精性肠道损伤和肝损伤作用的健脾活血方是否存在干预内毒素所诱导的肝脏TNF-α蛋白和基因表达的效应机制。方法将24只大鼠随机分为正常组(n=4)、模型组(n=10)和健脾活血方组(n=10)。健脾活血方组和模型组大鼠分别灌胃给药或生理盐水3d(每日2次),在末次灌胃1h后,按50μg/kg体重经尾静脉注射脂多糖(LPS)1mg/ml,正常组注射等量的生理盐水,1.5h后,分别采集下腔静脉血及肝组织。以ELISA法测定血清肿瘤坏死因子(TNF-α)含量,western-blot法检测肝组织p-IκB、TNF-α蛋白表达,荧光定量RT-PCR法检测肝组织TNF-αmRNA表达。结果LPS刺激1.5h后,模型大鼠肝组织p-IκB蛋白、TNF-α蛋白及其mRNA表达显著增强,血清TNF-α含量显著升高;健脾活血方组的上述变化显著轻于模型组。结论健脾活血方对内毒素诱导的肝脏TNF-α基因和蛋白表达有显著抑制作用。
胡义扬彭景华许丽莉冯琴陈少东
关键词:肝损伤健脾活血方内毒素TNF-Α
Intervention Effects of Jianpi Liqi Huoxue Decoction (健脾理气活血汤) on Lipid Peroxidative Liver Injury Induced by Alcohol被引量:5
2006年
Objective: To study the intervention effects of Jianpi Liqi Huoxue Decoction (健脾理气活血汤, JLHD) on lipid peroxidative liver injury induced by alcohol. Methods: The rat alcoholic model of liver disease (ALD) induced by Lieber-DeCarli liquid diet was established. Thirty-two male SD rats were randomly divided into 4 groups : the normal group ( n = 5), the control group ( n = 9), the model group ( n = 9) and the JLHD group ( n =9). From the 4th week after modeling, the rats were given JLHD or distilled water by gastrogavage respectively, and the samples of blood and liver tissues were taken out from the rats for determination by the end of the 8th week. The hepatic pathological changes were observed with HE staining; the liver injury related indices, including activity of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in serum, γ-glutamyl transpeptidase (γ-GT) activity and triglyceride (TG) content in liver tissues, as well as the lipid peroxidation related indices, including malonaldehyde (MDA) content and nitric oxide synthase (NOS) activity in liver tissue, serum Fe^2+ level, and the anti-peroxidation capacity related indices, including superoxide dismutase (SOD) activity, glutathion (GSH) content and reactive oxygen species (anti- ROS) activity in liver tissues were determined. Results: ( 1 ) There were obvious figures of fatty degeneration and inflammatory infiltration in liver tissues of the model group. As compared with the control group, in the model group, the activity of ALT and AST, and Fe^2+ content in serum, γ-GT and NOS activity, TG and MDA content in liver tissues were significantly higher ( P〈0. 01 ), while the activity of SOD, GSH and anti-ROS in liver tissues were significantly lower (P〈0.01). (2) The fatty degeneration and inflammatory infiltration of liver tissues in the JLHD group were significantly lessen as compared with those in the model group; and the abnormalities o
崔剑巍胡义扬方志红王晓柠成扬彭景华冯琴张慧
关键词:ALCOHOL
健脾理气活血方对酒精性肝损伤大鼠血浆内毒素和TNF-α蛋白表达的影响被引量:4
2008年
目的:观察中药健脾理气活血方对大鼠酒精性肝损伤的防治效果及其血浆内毒素和TNF-α蛋白表达的影响。方法:通过喂饲按Lieber-Decarli配方配制的含酒精液体饲料复制酒精性肝损伤的大鼠模型。32只雄性SD大鼠随机分设正常组(n=5)、无酒精液体饲料组(n=9)、酒精液体饲料组(n=9)及酒精液体饲料+中药组(n=9)。在造模第4周开始灌胃给药或蒸馏水。8周末取材观察:①肝组织病理变化(HE和油红染色);②肝组织甘油三酯(TG)含量;③肝损伤指标(血清ALT、AST活性);④血浆内毒素水平;⑤肝组织P-IκB、TNF-α的蛋白表达(Western blot法)的变化。结果:①口服酒精液体饲料8周后,模型大鼠肝细胞出现显著的脂肪变性,肝脏TG含量、血浆内毒素水平以及血清ALT、AST活性均较正常组和无酒精液体饲料组显著升高。此外,肝组织P-IκB、TNF-α蛋白表达增强。②健脾理气活血方组较之模型组,肝组织脂肪变性程度和炎症程度显著减轻,其肝组织TG含量以及血浆内毒素水平显著降低,ALT活性接近正常水平;此外,肝组织P-IκB、TNF-α蛋白表达也较模型组下降。结论:健脾理气活血方具有显著的抗大鼠酒精性肝损伤的作用,其机制与抑制内毒素和大鼠肝组织P-IκB、TNF-α蛋白表达有关。
曹健美崔剑巍方志红冯琴王清兰胡义扬
关键词:酒精性肝损伤内毒素肿瘤坏死因子-Α
中医药防治酒精性肝病研究进展被引量:19
2005年
崔剑巍胡义扬
关键词:酒精性肝病中医药疗法
健脾活血方对酒精复合内毒素脂多糖诱导的肝损伤大鼠库普弗细胞活化信号通路的干预被引量:18
2007年
目的:观察健脾活血方对酒精复合内毒素脂多糖(lipopolysaccharide,LPS)诱导的肝损伤大鼠库普弗细胞活化信号通路的影响。方法:采用Lieber-Decarli酒精饮料饲养6周诱导的酒精性肝损伤模型,分设正常组,无酒精饮料组,酒精饮料组和酒精饮料加健脾活血方组,造模第3周起灌胃给药或蒸馏水至第6周末,各组再以LPS 10 mg/kg一次性灌胃,3.5 h后取材。检测血清丙氨酸氨基转移酶(alanine aminotransferase,ALT)活性和肝组织甘油三酯(triglyceride,TG)含量;HE染色观察大鼠肝组织病理改变;CD68免疫组化观察库普弗细胞活化状态;ELISA法检测门脉血浆肿瘤坏死因子-α(tumor necrosis factor-α,TNF-α)含量;Western-blotting方法检测肝组织TNF-α、磷酸化的IκB(phosphorylation-IκB,P-IκB)、Toll样受体4(Toll-like receptor 4,TLR4)、CD68蛋白表达。结果:经健脾活血方干预后,大鼠肝脏组织病理损伤减轻,肝组织TG含量以及血清ALT活性和门脉血浆TNF-α含量下降;同时,大鼠肝脏TNF-α、P-IκB、TLR4和CD68蛋白表达明显减轻。结论:健脾活血方对酒精复合LPS诱导的肝损伤大鼠CD68、TLR4、P-IκB和TNF-α具明显抑制作用。
彭景华方志红崔剑巍冯琴许丽莉顾宏图胡义扬
关键词:肝疾病酒精性内毒素脂多糖
脾虚血瘀——酒精性肝损伤的基本病机被引量:7
2016年
酒精性肝病严重危害国民的健康。现代医学认为肠黏膜屏障损伤和细菌移位是酒精性肝损伤的重要病理环节,在此基础上形成了"肠-肝轴"理论和"二次打击"学说。本文基于历代医家论点的文献检索和现代研究结果,提出"脾虚血瘀"是酒精性肝损伤的基本病机,"肠道是中药防治酒精性肝损伤的重要靶位"及"从脾论治"的理论假说。并结合研究团队近年来对经验复方健脾活血方的研究进展,说明具有健脾活血、清浊利湿功效的健脾活血方具有良好的临床疗效,其药理机制表现为修复小肠黏膜的机械屏障损伤,改善菌群结构,减少内毒素释放,进而减轻对肝脏的"二次打击"。该研究思路和研究结果体现了酒精性肝损伤"脾虚血瘀"的病机特点以及"从脾论治"的治疗法则,对传统理论进行了现代诠释,为中医药防治该病提供了参考。
赵瑜唐义爽毛羽丰胡义扬
关键词:酒精性肝损伤中医病机脾虚血瘀从脾论治
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