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CXCL16 participates in pathogenesis of immunological liver injury by regulating T lymphocyte infiltration in liver tissue 被引量:7
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作者 Huan-Bin Xu, Yan-Ping Gong, Jin Cheng, Yi-Wei Chu, Si-Dong Xiong, Department of Immunology and Key Laboratory of Molecular Medicine of Ministry of Education, Shanghai Medical College of Fudan University Immunology Division, E-Institute of Shanghai Universities, Shanghai 200032, China 《World Journal of Gastroenterology》 SCIE CAS CSCD 2005年第32期4979-4985,共7页
AIM: To investigate the role of CXCL16 in the pathogenesis of immunological liver injury and to explore the possible mechanism ofT lymphocyte infiltration regulated by CXCL16. METHODS: Immunological liver injury in ... AIM: To investigate the role of CXCL16 in the pathogenesis of immunological liver injury and to explore the possible mechanism ofT lymphocyte infiltration regulated by CXCL16. METHODS: Immunological liver injury in murine model was induced by Bacille Calmette-Guerin and lipopolysaccharide. Expression pattern and distribution of CXCL16 were examined by real-time quantitative RT-PCR and immunohistochemical analysis. Anti-CXCL16 antibody was administrated in vivo to investigate its effect on T-cell recruitment and acute hepatic necrosis. The survival of murine model was also evaluated. RESULTS, The murine immunological liver injury model was successfully established, CXCL16 expression increased and predominantly distributed in periportal areas and vascular endothelia in injured liver tissues. Administration of anti-CXCL16 Ab protected the mice from death and acute liver damage. Approximately 70% of the mice survived for 72 h in the anti-CXCL16 Ab treatment group, whereas 80% died within 72 h in control Ab group. The number of liver-infiltrating T lymphocytes was significantly reduced from 1.01×10^7 to 3.52×10^6/liver, compared with control Ab treatment. CONCLUSION: CXCL16 is involved in immunological liver injury by regulating T lymphocyte infiltration in liver tissue. 展开更多
关键词 CHEMOKINES CXCL16 T lymphocytes INFILTRATION immunological liver injury
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Effects of cefodizime on chemokines of liver tissues in mice with immunological hepatic injury 被引量:8
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作者 WANG Peng KAN Quan-cheng +2 位作者 YU Zu-jiang LI Ling PAN Xue 《Chinese Medical Journal》 SCIE CAS CSCD 2011年第5期746-750,共5页
Background Chronic hepatic inflammation is characterized by the accumulation of lymphocytes as a consequence of increased recruitment from the blood and retention within the tissue at sites of infection. CXC chemokine... Background Chronic hepatic inflammation is characterized by the accumulation of lymphocytes as a consequence of increased recruitment from the blood and retention within the tissue at sites of infection. CXC chemokine ligand 16 (CXCL16) mRNA has been detected in both inflamed and normal liver tissues and is strongly upregulated in the injured liver tissues in a murine model. The aim of this study was to investigate the effect of cefodizime on CXCL16 mRNA of liver tissues in mice with immunological hepatic injury.Methods The murine model of immunological hepatic injury was induced by Bacillus Calmette Guerin and Lipoposaccharide. The mice with immunological hepatic injury were randomly assigned to the model group, the cefodizime group and the ceftriaxone group. The three groups were continuously given agents for seven days and CXCL16 mRNA of liver tissue was determined and contrasted with the control group treated by normal saline. Reverse transcription-polymerase chain reaction was used to assay CXCL16 mRNA levels in liver tissues.Results The expressions of CXCL16 mRNA were significantly higher in the model group and the ceftriaxone group than in the control group and the cefodizime group (P〈0.05), indicating the mice in the model group and the ceftriaxone group were immunodeficient. There was no statistical difference in the expressions of CXCL16 mRNA between the control group and the cefodizime group. Similarly, no statistical difference in the expressions of CXCL16 mRNA between the model group and the ceftriaxone group was detected (P 〉0.05). Conclusion Cefodizime effectively reduces the infiltration of lymphocytes into liver tissues and alleviates the liver damage by decreasing CXCL16 rnRNA in liver tissues in mice with immunological hepatic injury. 展开更多
关键词 CEFODIZIME immunological hepatic injury CHEMOKINE
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Study on Intervenient Effect of Angelica Sinensis Polysaccharide on Immunological Liver Injury and Its Mechanism in Mice 被引量:8
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作者 DING Hong(丁虹) +1 位作者 HUANG Jiean(黄杰安) 《Chinese Journal of Integrative Medicine》 SCIE CAS 2002年第2期122-125,共4页
Objective: To study the changes of expressions of nitric oxide synthase (NOS) of the constitutive type (cNOS) and inducible type (iNOS), the apoptosis related genes bax and bcl 2, as well as the tumor necrosis fac... Objective: To study the changes of expressions of nitric oxide synthase (NOS) of the constitutive type (cNOS) and inducible type (iNOS), the apoptosis related genes bax and bcl 2, as well as the tumor necrosis factor (TNF α) in immunological liver injury (ILI) and to explore the preventive effects of Angelica sinensis polysaccharide (ASP) on ILI and its mechanism in mice.Methods: ILI model mice induced by intraperitoneal injection of lipo polysaccharide (LPS) and BCG vaccine were treated with ASP of different doses (30mg/kg, 60mg/kg) by gastrogavage every day for 7 days. The serum alanine transaminase (ALT) and glutathione S transferase (GST) activities and NO content in the liver were detected; the expressions of cNOS, iNOS, bcl 2, bax were assessed with immuno histochemical method, and the TNF α mRNA expression in the liver was observed by reverse transcriptase polymerase chain reaction (RT PCR).Results: Compared with the normal mice , the NO production and ALT, GST levels were raised significantly in the model mice, the TNF α mRNA expression was also raised significantly. But no obvious changes of cNOS was found. Small dose ASP (30mg/kg) could reduce NO production and ALT, GST levels in model mice by 19.5%, 23.7% and 40.0% respectively, decrease the expression of iNOS and bax by 48.3%, and 26.4%, and increase the expression of cNOS, bcl 2 by 66.9% and 337.3%, respectively, but it could not reduce the TNF α mRNA expression in the liver. Large dose of ASP (60mg/kg) was not more effective than that of small dose.Conclusion: Changes of NO production and TNF α mRNA may play an important role in ILI. The mechanism of ASP in intervening ILI may be through modulation on cNOS, iNOS, bax, bcl 2 expression to block the damage of BCG vaccine and LPS on hepatocytes. 展开更多
关键词 Angelica sinensis polysaccharide nitric oxide synthase apoptosis gene immunological liver injury
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Experimental study on the efficacy of Fuganling granula on protecting against immunological hepatic injury
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作者 Yanli LIU Rong LIU +5 位作者 Cheng ZHEN Quanfang GUO Liping WU Zhaoxi DING Yushun BI Zhiyu LIU 《Frontiers of Medicine》 SCIE CSCD 2009年第1期91-95,共5页
To study the efficacy of Fuganling granula(FGL,复肝灵颗粒)in treating mouse immunological hepatic injury that was caused by Bacille Calmette Guerin(BCG)and lipopolysaccharide(LPS),a total of 60 mice were adopted,among ... To study the efficacy of Fuganling granula(FGL,复肝灵颗粒)in treating mouse immunological hepatic injury that was caused by Bacille Calmette Guerin(BCG)and lipopolysaccharide(LPS),a total of 60 mice were adopted,among which,50 mice were given intraperitoneal injection with BCG and LPS to establish an immunological liver injury model and then were randomly divided into 5 groups(10 mice/group):4 groups received treatment of FGL orally at the doses of 100 mg/kg(high-dosage),50 mg/kg(middle-dosage),25 mg/kg(low-dosage)and bifendate orally at the dose of 80 mg/kg,respectively.One group was treated with distilled water orally.The remaining 10 mice were given distilled water intraperitoneally as the normal control group.The indices of thymus,liver and spleen,and the activities of the alanine aminotransferase(ALT),aspartate aminotransferase(AST)in the serum were detected.Compared to the normal rat,the model group’s thymus index decreased significantly.The liver index and spleen index increased significantly.The activities of serum ALT and AST increased signifi-cantly(all P<0.01).Compared to the model control group,the group treated with FGL in high-dosage,middle-dosage or low-dosage can decrease the activities of ALT and AST and the group treated with FGL in high-dosage and middle-dosage can increase the thymus index significantly(P<0.01).This experiment established the immunological liver injury model successfully and found that FGL has a remarkably protective effect on this kind of immunological hepatic injury. 展开更多
关键词 Fuganling granula immunological liver injury bacille calmette guerin LIPOPOLYSACCHARIDE MICE
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