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1Changes of immune function in patients with liver cirrhosis after splenectomy combined with resection of hepatocellular carcinoma显示文摘OBJECTIVE: To study the changes of immune function in liver cirrhosis patients after splenectomycombined with resection of hepatocellular carcinoma (HCC).METHODS: Sixteen patients with HCC associated with liver cirrhosis were divided into two groups:splenectomy combined with hepatectomy (splenectomy group n=7) and hepatectomy (non-splenectomygroup, n=9). T lymphocyte subsets such as CD4, CD8, CD4/CD8 and Th lymphocyte cytokines such asinterferon γ (IFN-γ), IL-2, IL-10 in 7 ml peripheral venous blood before operation and 2 months afteroperation were examined and compared between the two groups.RESULTS: There was no significant difference in pre-operative CD4, CD8, CD4/CD8, IL-2, IFN-γ,IL-10 levels in the two groups. Two months after operation, the levels of CD4 (38.2%±3.7%), CD4/CD8(1.7±0.3), IFN-γ (104.4±14.9 pg/ml), 1L-2 (98.6±18.6 pg/ml) were increased and those of CD8(23.7±3.7 pg/ml), IL-10 (55.5±11.2 pg/ml) levels were decreased in the splenectomy group. Thelevels of CD4 (32.5%±4.0%), CD4/CD8 (1.1±0.1), IFN-γ(70.5±12.6 pg/ml), IL-2(80.9±13.5pg/ml) in the non-splenectomy group were much lower than those in the splenectomy group, but the levelsof CD8 (29.4%±4.0%), IL-10 (89.4±10.0 pg/ml) in the non-splenectomy group were significantlyhigher than those in the splenectomy group (P<0.05).CONCLUSIONS: Splenectomy combined with hepatectomy for HCC patients associated with livercirrhosis does not decrease but promote the recovery of T lymphocyte subsets and Th1/Th2 cytokines fromimbalance and improve anti-tumor immune function of the patients.Zhi-Xin Cao Xiao-Ping Chen Zai-De Wu the Hepatic Surgery Center, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China 2003Hepatobiliary & Pancreatic Diseases International2003,2,4:34
2慢性乙型肝炎特殊患者抗病毒治疗专家共识:2015年更新显示文摘抗病毒治疗是慢性乙型肝炎(CHB)治疗的关键。近年来随着抗病毒治疗不断进展,一般患者的治疗逐渐趋于规范,而CHB特殊患者由于循证医学证据相对不足、相关指南无统一的推荐意见等原因成为临床治疗的难点。为进一步规范这些特殊患者的治疗,2010年《中华实验和临床感染病杂志(电子版)》、《临床肝胆病杂志》与《中国肝脏病杂志(电子版)》编辑部组织相关专家对相关资料进行整理与分析,Expert Committee for Antiviral Therapy for Special Patients with Chronic Hepatitis B 2015临床肝胆病杂志2015,31,8:32
3Expression of TNF-related apoptosis-inducing Ligand receptors and antitumor tumor effects of TNF-related apoptosis-inducing Ligand in human hepatocellular carcinoma显示文摘AIM: To investigate the expression of TNF-related apoptosis -inducing Ligand (TRATL) receptors and antitumor effects of TRATL in hepatocellular carcinoma (HCC).METHODS: Expression of TRAIL receptors was determined in 60 HCC tissues, 20 normal liver samples and two HCC cell lines (HepG2 and SMMC-7721). The effects of TRAIL on promoting apoptosis in HCC cell lines were analyzed after the cells were exposed to the recombinant TRAIL protein,as well as transfected with TRAIL-expression construct. In vivo effects of TRAIL on tumor growth were investigated by using nude mice HCC model of hepG2.RESULTS: Both death receptors were expressed in all HCC tissues and normal hepatic samples. In contrast, 54 HCC tissues did not express DcR1 and 25 did not express DcR2.But both DcR were detectable in all of the normal liver tissues.The expression patterns of DR and DcR in HCC samples (higher DR expression level and lower DcR expression level) were quite different from those in normal tissue. DR5, DR4,and DcR2 expressed in both cell lines, while no DcR1 expression was detected. Recombinant TRAIL alone was found to have a slight activity as it killed a maximum of 15 % of HCC cells within 24 h. Transfection of the TRATL cDNA failed to induce extensive apoptosis in HCC lines. In vivo administration of TRAIL gene could not inhibit tumor growth in nude mice HCC model. However, chemotherapeutic agents or anticancer cytokines dramatically augmented TRAILinduced apoptosis in HCC cell lines.CONCLUSION: Loss of DcR (especially DcR1) in HCC may contribute to antitumor effects of TRAIL to HCC. HCC is insensitive towards TRAIL-mediated apoptosis, suggesting that the presence of mediators can inhibit the TRAIL celldeath-inducing pathway in HCC. TRAIL and chemotherapeutic agents or anticancer cytokines combination may be a novel strategy for the treatment of HCC.Xiao-Ping Chen Song-Qing He Hai-Ping Wang Yong-Zhong Zhao Wan-Guang Zhang, Hepatic Surgery Center, Affiliated Tongji Hospital, Tongji Medical College,Huazhong University of Science and Technology,Wuhan,430030, China 2003World Journal of Gastroenterology2003,9,11:21
4Effects of aminoguanidine on nitric oxide production induced by inflammatory cytokines and endotoxin in cultured rat hepatocytes显示文摘AIM To study the effects of aminoguanidine(AG) and two L-arginine analogues Nω-nitro-L-arginine methyl ester (L-NAME) and Nω-nitro-L-arginine (L-NNA) on nitric oxide (NO) productioninduced by cytokines (TNF-α, IL-11β, and IFN-γ)and bacterial lipopolysaccharide (LPS) mixture(CM) in the cultured rat hepatocytes, andexamine their mechanisms action.METHODS Rat hepatocytes were incubatedwith AG, L-NAME, L-NNA, Actinomycin D (ActD)and dexamethasene in a medium containing CM(LPS plus TNF-α, IL-1β, and IFN-γ) for 24 h. NOproduction in the cultured supernatant wasmeasured with the Griese reaction. IntracellularcGMP level was detected with radioimmunoasey.RESULTS NO production was markedlyblocked by AG and L-NAME in a dose-dependentmanner under inflammatory stimuli conditiontriggered by CM in vitro. The rate of themaximum inhibitory effects of L-NAME (38.9%)was less potent than that obtained with AG(53.7%, P<0.05). There was no significantdifference between the inhibitory effects of AGand two L-arginine analogues on intracellularcGMP accumulation in rat cultured hepatocytes.Non-specific NOS expression inhibitordexamethasone ( DEX ) and iNOS mRNAtranscriptional inhibitor ActD also significantlyinhibited CM-induced NO production. AG(0.1mmol.L-1) and ActD (0.2ng@Lt) wereequipotent in decreasing NO production inducedby inflammatory stimuli in vitro, and botheffects were more potent than that induced bynon-selectivity NOS activity inhibitor L-NAME(0. 1 mmol@ L- 1) under similar stimuli conditions(PGuo Liang Zhang Ye Hong Wang Hui Ling Teng Zhi Bin Lin Department of Pharmacology,School of Basic Medical Sciences,Beijing University,Beijiog 100083,ChinaDr.Guo Liang Zhang graduated from Xinxiang Medical College in 1982,got Ph.D.at Nagoya City University Medical School,Japan in 1994,finished postdoctoral research at Beijing Medical Univcrsity in 1996,now an associate professor of pharmacology,specialized in hepatic pharmacology,having 15 papers published. 2001World Journal of Gastroenterology2001,7,3:20
5A study of recombinant protective H.Pylori antigens显示文摘AIM: To construct a recombinant vector which can express Mr 26 000 outer membrane protein (OMP) from Helicobacter pylori (Hp), and to obtain the vaccine protecting against Hp infection and a diagnostic reagent kit quickly detecting Hp infection.METHODS: The gene encoding the structural Mr 26000 outermembrane protein of Hp was amplified from Hpchromosomal DNA by PCR, and inserted in the prokaryoticexpression vector pET32a ( + ), which was transformed intothe Topl0 E. coli strain. Recombinant vector was selected,identified and transformed into BL-21(DE3) E. coli strain.The recombinant fusion proteins were expressed. Theantigenicity of recombinant protein was studied by ELISA orimmunoblotting and immunized Balb/c mice.RESULTS: The gene of Mr 26 000 OMP was amplified to be594 base pairs, 1.1% of the cloned genes was mutated and1.51% of amino acid residues was changed, but there washomogeneity between them. The recombinant fusion proteinencoded objective polypeptides of 198 amino acid residues,corresponding to calculated molecular masses of Mr 26000.The level of soluble expression products was about 38.96 %of the total cell protein. After purification by Ni-NTA agaroseresin columniation, the purity of objective protein becameabout 90 %. The EESA results showed that recombinantfusion protein could be recognized by patient serum infectedwith Hp and rabbit serum immunized with the recombinantprotein. Furthermore, Balb/ c mice immunized with therecombinant proteln were protected against H. pyloriinfection.CONCLUSION: Mr 26 000 OMP may be a candidate vaccinepreventing Hp infection.Zheng Jiang Xiao-Hong Tao Pi-Long Wang,Department of Gastroenterology,the First Affiliated Hospital,Chongqing University of Medical Sciences,Chongqing 400016,China Ai-Long Huang,Institute of Viral Hepatitis,Chongqing University of Medical Sciences,Chongqing 400010,China 2002World Journal of Gastroenterology2002,8,2:20
6Changes of serum alpha-fetoprotein and alpha-fetoprotein-L3 after hepatectomy for hepatocellular carcinoma: prognostic significance显示文摘BACKGROUND: Alpha-fetoprotein (AFP) is the most established tumor marker of hepatocellular carcinoma (HCC), but one of its limitations is non-specificity. Many studies have demonstrated that alpha-fetoprotein-L3 (AFP-L3) is more specific than AFP in the early diagnosis and prognosis of HCC. However, there is a lack of knowledge about the post-hepatectomy profiles of serum AFP and AFP-L3 values in HCC patients. To identify the profiles after surgical resection of HCC, we analyzed the correlation between the profiles and postoperative HCC recurrence or survival, and evaluated their utility in predicting postoperative therapeutic efficacy and prognosis. METHODS: From August 2003 to December 2004, 318 patients with positive serum AFP who had received surgical resections were enrolled in this study. Preoperative and postoperative serum AFP and AFP-L3 levels were measured simultaneously and regularly, and their postoperative profiles during a long term follow-up were recorded and summarized. RESULTS: A high ratio of AFP-L3 to total AFP was shown to correlate with pathologic features of aggressiveness. The overall 1-, 3-, and 5-year recurrence rates of the whole series were 28% 57%, and 84%, and the overall survival rates were 86%, 61% and 33%, respectively. The changes of serum AFP and AFP-L3 after hepatectomy for HCC were classified into 3 groups (group A: AFP-L3 undetectable; group B: AFP-L3 <10%; and group C: AFP-L3 >10%). Patients with positive postoperative AFP-L3had significantly earlier recurrence than those with negative results. The overall survival was significantly shorter in the positive groups than in the groups negative for postoperative AFP-L3.CONCLUSION: Post-hepatectomy changes in serum AFP and AFP-L3 levels occurred in three distinct patterns, which were closely correlated with HCC recurrence and patient survival with different prognostic values.Xiao-Feng Zhang, Zheng-Feng Yin, Kui Wang, Zong-Qin Zhang, Hai-Hua Qian,Le-Hua ShiAuthor Affiliations: The 4th Department of Hepatic Surgery ,Molecular Oncology Laboratory , Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200438, China 2012Hepatobiliary & Pancreatic Diseases International2012,11,6:19
7Overcoming multi-drug resistance by anti-MDR1 ribozyme显示文摘AIM: To reverse multidrug resistance (MDR) of HepG2 by anti-MDR1 hammerhead ribozyme.METHODS: We developed an anti-MDR1 hammerhead ribozyme and delivered it to P-gp-overproducing human hepatocarcinoma cell line HepG2 by a retroviral vector containing RNA polymerase Ⅲ promoter. We detected the expression of mdr1/Pgp and Rz in HepG2, HepG2 multidrugresistant cell line and HepG2 Rz-transfected cells by realtime RT-PCR, semi-quantitative RT-PCR and Western blot methods. Moreover, MTT assay was tested to detect sensitivity of these ribozyme-transfected cells, and Rhodamine123 (Rh123) applied to test the function of Pgp.RESULTS: The Rz- transfected HepG2 cells became doxorubicin-sensitive, concomitant with the decreases in MDR1 expression, P-gp amounts and efflux pump function.CONCLUSION: The approaches using either retrovirus or liposome-mediated transfer of anti-MDR1 ribozyme may be selectively applicable to the treatment of MDR cells.Hai Wang Xiao-Ping Chen Fa-Zu Qiu The Hepatic Center of Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,430030,HuBei Province,China 2003World Journal of Gastroenterology2003,9,7:17
8Effects of splenectomy in patients with cirrhosis undergoing hepatic resection for hepatoceUular carcinoma显示文摘AIM: To study the effects of splenectomy in patients with cirrhosis undergoing hepatic resection for hepatocellular circinoma.METHODS: Twenty-six patients with HCC associated with cirrhosis were divided into hepatectomy with splenectomy group (splenectomy group, n=11) and hepatectomy without splenectomy group (non-splenectomy group, n=15). T lymphocyte subsets such as CD4, CD8, CD4/CD8, helper T (Th) lymphocyte cytokines such as interferon γ(IFN-γ),interleukin 2(IL-2), interleukin 10(IL-10) and white blood cell (WBC), platelet (PLT), total bilirubin (T-Bil) were measured and used as parameters to evaluate the effects of splenectomy.RESULTS: There was no significant difference in CD4, CD8,CD4/CD8, IL2, IFN-γ, IL10, WBC, PLT, T-Bil levels between two groups before surgery. Two months after operation,the levels of CD4 (41.2 %±4.2 % vs 34.7 %±3.8 %), CD4/CD8 (1.7±0.2 vs 1.0±0.2), IFN-γ (102.3±15.9 pg/ml vs 86.5±14.8 pg/ml), IL-2(97.2±15.6 pg/ml vS77.6±14.5 pg/ml) were increased and those of CD8 (25.6±3.9 vs32.8 %±4.1%),IL-10 (56.9±10.4 pg/ml vs 72.6±15.3 pg/ml) were decreased in splenectomy groups as compared with those in nonsplenectomy group (P<0.05). WBC and PLT counts in the splenectomy group were 8.9±1.6×109 and 310±32×109,respectively, which were significantly higher than those in non-splenectomy group (3.7±1.4×109 and 104±41×109) respectively on the 14th post-operative day. T-Bil concentration in the splenectomy group (24±7 μmol/L) was significantly lower than that in the non-splenectomy group (37±13 μmol/L) on the 7th post-operative day (P<0.05).CONCLUSION: Splenectomy combined with hepatectomy for HCC associated with cirrhosis is helpful for the recovery of T-lymphocyte subsets and the maintenance of Th:L/Th2 cytokine balance.Zhi-Xin Cao Xiao-Ping Chen Zai-De Wu, Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China 2003World Journal of Gastroenterology2003,9,11:17
9Protection effect of triptoKde to Kver injury in rats with severe acute pancreatitis显示文摘BACKGROUND: The high mortality of patients with severe acute pancreatitis (SAP) is due to multiorgan dysfunction. The mechanisms of SAP are still obscure. The aim of this study was to investigate the role of nuclear factor-kappa B (NF-κB) activation in rats with SAP associated with liver injury and the protection effect of triptolide against liver injury in rats with SAP. METHODS: Ninety Wistar rats were randomly divided into three groups (n =30 each group) : severe acute pancreatitis (group P) , treatment with triptolide ( group T), and sham operation (group S). SAP models were induced by retrograde injection of 5% sodium taurocholate to the pancreatic duct. After the model was successfully established, no treatment was given to group P. In group T, triptolide (0. 05 mg/ml) was injected intraperitoneally (0.2 mg/kg). In group S, the abdominal walls of rats were opened, sutured , but not treated. The rats -were sacrificed after operation at 2, 6, and 12 hours, respectively. The serum levels of amylase (AMY) , alanine aminotransferase (ALT), tumor necrosis factor-alpha ( TNF-α) and interleukin-6 (IL-6 ) were determined at three time points (10 rats for each time point). Liver tissues were obtained to detect the activity of NF-κB and to observe their pathological changes with light and electron microscopes. RESULTS: The serum levels of AMY and ALT were higher in groups P and T than in group S. The serum AMY levels were significantly lower in group T than in group P at 12 hours after operation. The serum ALT levels were significantly lower in group T than in group P at 6, 12 hours after operation. At the three time points, the levels of TNF-α and IL-6 in groups P and T increased more significantly than in group S. In group T they were decreased more significantly than in group P at the three time points. In groups P and T, NF-κB activity in liver tissue increased more significantly than in group S at the three time points. The activity of NF-κB was higher in group P than in groups S and T at the three time points. Liver pathological damages were milder in group T than in group P under light and electron microscopes. CONCLUSIONS: NF-κB plays an important role in the pathogenesis of liver injury in rats with SAP. Triptolide can reduce pathological damage to the liver. Its mechanism is to inhibit the activity of NF-κB and to decrease the release of inflammatory mediators.Yong-Fu Zhao, Wen-Long Zhai, Shui-Jun Zhang and Xiao-Ping Chen Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030 , Chinaand Department of General Surgery , First Affiliated Hospital, Zhengzhou University, Zhengzhou 450052 , China 2005Hepatobiliary & Pancreatic Diseases International2005,4,4:14
10Alternation of AFP-mRNA level detected in blood circulation during liver resection for HCC and its significance显示文摘AIM: To investigate whether the current manipulation ofliver resection for hepatocellular carcinoma(HCC)causesdissemination of liver tumor cells into blood circulation.METHODS: Fifty patients with HCC, but without evidencesof metastases, were enrolled for the study. Samples ofperipheral blood before skin incision and after abdominalwall suture, and those of hepatic venous blood and portalvenous blood after liver parenchyma dissection,wereobtainedAFP-mRNA was extracted from the blood samplesand detected with reverse transcription polymerase chainreaction assay. The changes of its expression during theoperation were accessed by the ratio of fluorescence of AFPand β-actin primers-amplified products.RESULTS: The rate of its expression before and afteroperation in peripheral blood, and during operation in portalvenous and hepatic venous blood was 42.0 %, 34.0 %, 42.0 %and 56.0 % respectively, There was no difference betweenthem. However, the ratio of fluorescence of AFP and β-actinprimers-amplified products from hepatic venous blood duringoperation is significantly higher than the other three typesof samples (P<0.05).CONCLUSION: the current manipulation of liver resectionfor HCC can cause the releases of AFP mRNA-expressedcells from the liver, probably including tumor cells, intohepatic vein. These cells may spread into blood circulationand become the source of recurrence after operation.Xiao-Ping Chen Hong Zhao Hepatic Surgery Center,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430030,Hubei Province,China Xi-Ping Zhao Department of Clinic Immunology,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430030,Hubei Province,China 2002World Journal of Gastroenterology2002,8,5:14
11Expert Consensus on Laparoscopic Hepatectomy(2013 Version)显示文摘Background:Laparoscopic hepatectomy has many advantages over open surgery,including minimization of local injury,reduced systemic reactions,and faster postoperative recovery.The aim of this 'Consensus' is to provide guidance and reference to surgeons who perform,or are interested in performing laparoscopic liver surgeries.Methods:The National Hepatic Surgery Group of the Society of Surgery,a professional society of the Chinese Medical Association,gathered 60 expert hepatic surgeons in Wuhan,China in December 2012,and an 'Expert Consensus on Laparoscopic Hepatectomy' was developed.Results:The types of hepatectomy,indications and contraindications,preoperative preparation,anesthesia,patient position,insufflation pressure,port position,control of hepatic inflow and outflow,indications for conversion to open surgery,and surgical devices and equipment are reviewed.Techniques and procedures of various laparoscopic hepatectomies are also discussed.National Hepatic Surgery Group,Society of Surgery,Chinese Medical Association 2013Journal of Huazhong University of Science and Technology(Medical Sciences)2013,33,6:13
12HBx-DNA probe preparation and its application in study of hepatocarcinogenesis显示文摘HBxDNAprobepreparationanditsapplicationinstudyofhepatocarcinogenesisGAOFengGuang,SUNWenSheng,CAOYingLin,ZHANGLiNing,SON...GAO FengGuang, SUN WenSheng, CAO YingLin, ZHANG LiNing, SONG Jing, LI HuaFen and YAN ShiKunKeywords hepatitis B virus liver neoplasms/etiology carcinoma, hepatocellular/etiology DNA probe 1998World Journal of Gastroenterology1998,4,4:12
13Necessity and indications of invasive treatment for Budd-Chiari syndrome显示文摘BACKGROUND:The development of collaterals in Budd-Chiari syndrome has been described and these collaterals play an important role in the presentation of this disease.These collaterals are diagnostic and their use in management strategy has never been evaluated.This study aimed to investigate the indications,feasibility and necessity of invasive treatment for patients with Budd-Chiari syndrome and to determine whether such a strategy is necessary for optimal management.METHODS:Twenty-nine patients who had been treated at our unit were enrolled in this study.Based on physical and biochemical examination,and hemodynamic compensation by collaterals,18 patients underwent radiological intervention (group A),while the other 11 had no invasive treatment (group B).The related hemodynamic parameters were acquired when percutaneous angiography was performed.RESULTS:In group A,all patients underwent successfully inferior vena cava (IVC) balloon angioplasty with or without stenting.Four patients also underwent hepatic vein angioplasty.In these patients,the mean IVC pressure before and after treatment was statistically different (29.3±9.2 vs 15.1±4.6 mmHg,P<0.01).The mean IVC pressure was much lower in group B than in group A (12.9±2.4 vs 29.3±9.2 mmHg,P<0.01),but there was no difference from that of the patients after radiological treatment (12.9±2.4 vs 15.1±4.6 mmHg,P>0.05).Median follow-up was 32.3 months (mean 21.3 months;range 3-61 months).In the course of follow-up,the patients in group A survived with good systemic status except for re-stenosis in one patient who underwent re-canalization of the IVC.In group B,10 patients had good systemic status except one patient who had a meso-caval shunt because of deterioration.CONCLUSIONS:The rationale of 'early diagnosis and early treatment' is not suitable for all patients with Budd-Chiari syndrome.Satisfactory survival can be achieved in some patients without invasive treatment,who are completely compensated by rich collaterals.Nonetheless,a positive treatment procedure should be performed if the patient's situation worsens in the course of regular follow-up.Department of General Surgery (Fu Y,Sun YL,Ma XX,Xu PQ,Feng LS,Tang Z and Luo CH),Institute of Hepatic Vascular Disease (Sun YL),Department of Radiological Intervention (Guan S and Wang ZW),First Affiliated Hospital,Zhengzhou University School of Medicine,Zhengzhou 450052,China 2011Hepatobiliary & Pancreatic Diseases International2011,10,3:10
14Clinical relationship between MDR1 gene and gallbladder cancer显示文摘BACKGROUND: The most common mechanisms of mul- tidrug resistance (MDR) in cancer cells is the expression of an energy-dependent exfflux pump. P-glycoprotein (P-gp) encoded by MDR1 gene and multidrug associated protein (MRP) are well known proteins associated with MDR. In human cancers, the MDR1 gene expression is common in patients with intrinsic and acquired MDR. It is a major therapeutic problem in cancer chemotherapy. Previously we found that the MDR of HCC is related to MRP gene ex- pression and initiates the intrinsic MDR. The aim of this study is to study the expression of MDR1 gene encoding P-gp and MDR1 mRNA in primary gallbladder carcinoma, and analyze its clinical significance. METHODS: Immunohistochemistry (IHC) S-P method and in situ polymerase chain reaction (ISPCR) were used to detect the expression of P-gp and MDR1 mRNA in 53 cases of untreated primary gallbladder carcinoma and 12 ca- ses of cholecystitis (archival paraffin-embedded tissues). RESULTS: The positive expression rates of P-gp and MDR1 mRNA in the 53 cases and 12 cases were 60.38%, 71.69% and 25.00%, 33.33%, respectively. There was a significant difference between the two groups (P<0.05). The positive expression rate of P-gp and MDRlmRNA were 69.44%, 83.33% and 41.18%, 47.06% respectively in tissues in stage of Nevin against Nevin , (P<0.05). In well, moderately differentiated gallbladder carcinoma tissues, their expressions were 79.49%, 69.23% against 50.00%, 35.71% in low, undifferentiated tissues (P<0.05). CONCLUSIONS: MDR to gallbladder carcinoma is closely related to the intrinsic MDR and it provides an important evidence to reverse the MDR by detection of the MDR1gene. Meanwhile, MDR1 gene expression in gallbladder carcinoma is correlated with some biological characteris- tics , takes part in the carcinogenesis of gallbladder tissues, and acts as a valuable biomarker of prognosis.Bai-Lin Wang, Hai-Ying Zhai, Bing-Yi Chen, Shu-Ping Zhai, Hai-Yan Yang, Xiao-Ping Chen, Wen-Tao Zhao and Lei Meng Guangzhou, China Third Department of Surgery, First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine, Guangzhou 510405, China Depart- ment of Surgery, First People’s Hospital, Jining 272100, China Department of Surgery, General Hospital of PLA, Beijing 100853, China and Hepatic Surgery Center, Tongji Hospital Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China 2004Hepatobiliary & Pancreatic Diseases International2004,3,2:9
15Triplex operation for portal hypertension with esophageal variceal bleeding:report of 140 cases显示文摘BACKGROUND:Portal hypertension is a common dis ease. The surgical therapy of this disease focuses on the re sultant upper digestive tract bleeding, which can imperi patients’ life directly. This study was to evaluate the effect of triplex operation ( mesocaval C shunt with artificia graft, ligation of the coronary vein and splenic artery) on portal hypertension and its associated upper digestive tract bleeding. METHODS: A retrospective study was made on clinical da- ta of 140 patients undergoing triplex operation, who had suffered from portal hypertension and upper digestive tract bleeding. RESULTS: Postoperative portal pressure was 25-43 cmH2 O ( preoperative portal pressure 27-45 cmH2 O ) with the average reduction of 10 cmH2O. One patient (0.7%) died of cerebrovascular disease. Five patients (3.5%) suffered from mild hepatic encephalopathy, which was ameliorated through conservative treatment. Lymphatic fistula occurred in 3 patients (2.1% ) who recovered without treatment 5, 10 days and 3 months after operation respectively. One hundred patients were followed up for 1 month to 6 years without recurrent hemorrhage or hepatic encephalopathy. Hypersplenism and ascites disappeared in 70 patients (70% ) and 80 patients (80% ) respectively. A significant reduction of ascites was seen in 12 patients(12% ). The arti- ficial vessels remained unblocking detected by B type ultra- sonography and Doppler sonography in 95 patients (95% ). CONCLUSION: Triplex operation is suitable for patients with the following portal hypertensions; portal hyperten- sion caused by simple occlusion of the hepatic vein (a patho- logical type of Budd-Chiari syndrome); thrombosis of the portal vein or prehepatic portal hypertension because of cavernous transformation; intrahepatic portal hypertension with rebleeding after splenectomy or non-operation, and those patients with liver function in grade A or B according to the Child-Pugh classification.Liu-Shun Feng, Ke Li, Qi-Ping Peng, Xiu-Xian Ma, Yong-Fu Zhao, Pei-Qin Xu and Xiao-Ping Chen Zhengzhou, China Department of General Surgery, First Affiliated Hospi- tal , Zhengzhou University, Zhengzhou 450052 , China Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China 2004Hepatobiliary & Pancreatic Diseases International2004,3,4:9
16Inflammatory pseudotumor of the liver: 13 cases of MRI findings显示文摘INTRODUCTIONInflammatory pseudotumor of the liver ,a rare benign lesion ,is often confused with the malignant tumors .Until 1998,less than 80 cases had been reported in the world [1,2].The accuracy of the pre-surgical diagnosis was low p[3,4] ,and very few materials on the diagnosis using dynamic MRI were reported [5-7] .We collected thirteen cases of inflammatory pseudotumor of the liver were collected and roved by pathology with MRI studies .Our purpose is to describe and analyze the MRI findings of this lesion and find out the valuable signs suggesting the diagnosis so as to avoid unnecessary operations.Fu Hua Yan Kang Rong Zhou Ya Ping Jiang Wei Bin Shi Department of Radiology,Zhongshan Hospital,Medical Center of Fudan University (Former Shanghai Medical University),180 Fenglin Road,Shanghai 200032,ChinaDr.Fu Hua Yan graduated from Shanghai Medical University as a postgraduate in 1996,now an associated professor,a radiologist in chief specialized in the diagnosis of CT and MRI in hepatic diseases,having 22 papers published.She is the associated editor of the books Spiral CT and Body MRI. 2001World Journal of Gastroenterology2001,7,3:8
17慢性乙型肝炎核苷(酸)类似物经治患者抗病毒治疗专家共识:2016年更新显示文摘多数慢性乙型肝炎患者经过核苷(酸)类似物抗病毒治疗后,远期预后可获得显著改善,但仍有部分患者在治疗后发生原发无应答、应答不佳以及复发。为规范慢性乙型肝炎经治患者的再治疗,2013年我们组织国内部分专家讨论并形成了《慢性乙型肝炎核苷(酸)类似物经治患者抗病毒治疗专家共识》。近3年来,符合循证医学原则的研究数据不断增加,对慢性乙型肝炎核苷(酸)类似物(NAs)经治患者抗病毒治疗的认识亦有提高。因此,我们再次组织专家对相关最新资料进行分析整理,形成本共识的2016年更新。Committee of experts on antiviral therapy in nucleos(t)ide analogues experienced chronic hepatitis B patients 2016中国肝脏病杂志(电子版)2016,8,3:8
18Influence of IFNα-2b and BCG on the release of TNF and IL-1 by Kupffer cells in rats with hepatoma显示文摘INTRODUCTIONKupffer cells are residential macrophages in the liver ,which play a critical role in the maintenance of normal liver function and in immunal surveilance of hepatocellular carcinoma (HCC) and other cancers[1].The biological immune modulants have cancers[2].In our previous studies ,the combined use of biological immune modulants showed better dffects .Xian Yong Bai~1 Xiu Hong Jia~2 Ling Zhong Cheng~3 Yun Di Gu~3 ~1Department of Histology and Embryology,Binzhou Medical College,Binzhou 256603,Shandong Province,China ~2Departrnent of Pediatrics,Binzhou Medical College,Binzhou 256603,Shandong Province,China ~3Department of Histology and Embryology,Shanghai Medical University,Shanghai 200032,ChinaDr.Xian Yong Bai graduated from the Shanghai Medical University as a postgraduate in 1995,Professor of Histology and Embryology,specialized in hepatic tumor immunology,having 36 papers published. 2001World Journal of Gastroenterology2001,7,3:7
19抗乙型肝炎病毒核苷(酸)类似物不良反应管理专家共识显示文摘核苷(酸)类似物(NAs)是当前慢性乙型肝炎抗病毒治疗的主要药物,核苷(酸)类似物具有迅速抑制HBV复制和安全性良好的特点,但随着NAs的应用推广,NAs相关的肾脏、骨骼、肌肉及神经系统等不良反应的报道逐渐增加,这些不良反应的总体发生率并不高,但若不及时发现与处理有可能引起较为严重的临床后果。为优化NAs相关不良反应的临床管理,抗乙型肝炎病毒核苷(酸)类似物不良反应管理专家委员会结合最新的循证医学证据形成本共识。Experts Committee of management of side effects of nucleos(t)ide analogues for hepatitis B virus 2016中华实验和临床感染病杂志(电子版)2016,10,5:7
20抗乙型肝炎病毒核苷(酸)类似物不良反应管理专家共识显示文摘核苷(酸)类似物(NAs)是当前慢性乙型肝炎抗病毒治疗的主要药物,NAs具有迅速抑制HBV复制和安全性良好的特点,但随着NAs的应用推广,NAs相关的肾脏、骨骼、肌肉及神经系统等不良反应的报道逐渐增加,这些不良反应的总体发生率并不高,但如不及时发现与处理有可能引起较为严重的临床后果。为优化NAs相关不良反应的临床管理,抗乙型肝炎病毒核苷(酸)类似物不良反应管理专家委员会结合最新的循证医学证据形成本共识。Experts committee of management of side effects of nucleos(t)ide analogues for hepatitis B virus 2016中国肝脏病杂志(电子版)2016,8,3:7
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