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Roux-en-Y choledochojejunostomy using novel magnetic compressive anastomats in canine model of obstructive jaundice

Hepatobiliary & Pancreatic Diseases International 2012年第1期11卷 81-88页

作者： Chao Fan,Xiao-Peng Yan,Shi-Qi Liu,Chun-Bao Wang,Jian-Hui Li,Liang Yu,Zheng Wu and Yi Lv department of Hepatobiliary Surgery and department of Pathology,First affiliated hospital,school of medicine,Xi’an Jiaotong university,Xi’an 710061,china department of Surgical Oncology,Third affiliated hospital,school of medicine,Xi’an Jiaotong university,Xi’an 710068,china department of Hepatobiliary Surgery School of Medicine Xi'an Jiaotong University Xi'an 710061 Xi'an China department of Pathology First Affliated Hospital School of Medicine Xi'an Jiaotong University Xi'an 710061 Xi'an China department of Surgical Oncology Third Affliated Hospital School of Medicine Xi'an Jiaotong University (Shaanxi Provincial People's Hospital) Xi'an 710068 Xi'an China

BACKGROUND:The traditional hand-sewn Roux-en-Y choledochojejunostomy is technically complicated,and the incidence of postoperative complications has remained high.A set of novel magnetic compressive anastomats was introduced to facilitate choledochojejunostomy and improve the prognosis of ***:After ligating the common bile duct for 7 days,16 dogs were randomly divided into two groups (n=8 per group).Anastomats were used in the study group,and the traditional hand-sewn method was used in the control group for standard Roux-en-Y *** compared the operation time,incidence of complications,gross appearance,and pathological disparity in stoma between the two groups in 1-month and 3-month follow-up ***:The time spent on constructing the anastomosis for the study group was significantly *** no anastomotic stenosis occurred in the two groups,the narrowing rate of biliary-enteric anastomosis was much higher in the control *** was one case of bile leakage in the control group,whereas no bile leakage occurred in the study group.A smoother surface,an improved layer apposition,and a lower local inflammatory response were identified in the anastomosis of the study ***:The structures of the novel magnetic compressive anastomats are simple,and they are time-saving,safe and efficient for performing Roux-en-Y choledocho- jejunostomy procedures in a canine model of obstructive jaundice.

关键词： anastomosis,Roux-en-Y choledochostomy jaundice,obstructive magnetic compressive anastomats

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Cyclooxygenase-2 polymorphisms and susceptibility to gastric carcinoma: A meta-analysis

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World Journal of Gastroenterology 2010年第43期16卷 5510-5517页

作者： Jia-Li Liu, Zhen-Ning Wang, department of Surgical Oncology and General Surgery, the First affiliated hospital of china Medical university, Shenyang 110001, Liaoning Province, china Yuan Liang, department of Oncology, the Shengjing affiliated hospital of china Medical university, Shenyang 110001, Liaoning Province, china Xin Zhou, department of Obstetrics and Gynecology, the Shengjing affiliated hospital of china Medical university, Shenyang 110001, Liaoning Province, china Li-Li Xing, department of Oncology, the Fourth affiliated hospital of china Medical university, Shenyang 110032, Liaoning Province, china department of Surgical Oncology and General Surgery the First Affiliated Hospital of China Medical University Shenyang 110001 Liaoning Province China.

AIM: To investigate the association of the cyclooxygenases-2 (COX-2) polymorphisms and susceptibility to gastric cancer (GC) by means of meta-analysis. METHODS: Publications addressing the association between polymorphisms of COX-2 and susceptibility to GC were selected from the MEDLINE, EMBASE and CBMdisc databases. Data was extracted from the studies by 2 independent reviewers. The meta-analyses were performed by RevMan 5.0.23. From these data, odds ratio (OR) with 95% confidence interval (CI) was ***: Ten studies were retrieved reporting a total of 11 COX-2 polymorphisms. Carriers of -765C, -1195A, -1290G, *2430T alleles and *429TT genotype revealed increased risk for GC (OR = 1.71, 95% CI: 1.01-2.90, P = 0.05; OR = 1.58, 95% CI: 1.05-2.38, P = 0.03; OR = 1.55, 95% CI: 1.01-2.39, P = 0.05; OR = 2.62, 95% CI: 1.20-5.73, P = 0.02 and OR = 0.74, 95% CI: 0.59-0.95, P = 0.02, respectively). CONCLUSION: The -765C, -1195A, -1290G, *2430T alleles and *429TT genotype of COX-2 polymorphisms were determined a significant association with susceptibility to GC.

关键词： Cyclooxygenases-2 Gastric cancer Polymorphisms Susceptibility Meta-analysis

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Kupffer cells contribute to concanavalin A-induced hepatic injury through a Th1 but not Th17 type response-dependent pathway in mice

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Hepatobiliary & Pancreatic Diseases International 2011年第2期10卷 171-178页

作者： Lin Chen,Xiao-Jun Xie,Yu-Fu Ye,Lin Zhou,Hai-Yang Xie,Qin-Fen Xie, Jiong Tian and Shu-Sen ZhengZhejiang university school of medicine,Hangzhou 310003,chinaKey Laboratory of Combined Multi-organ Transplantation,Ministry of Public Health department of Hepatobiliary and Pancreatic Surgery department of Nephrology,First affiliated hospital,Zhejiang university school of medicine,Hangzhou 310003,china Zhejiang university school of medicine Hangzhou 310003 China Key Laboratory of Combined Multi-organ Transplantation Ministry of Public Health department of Hepatobiliary and Pancreatic Surgery First Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310003 China department of Nephrology First Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310003 China

BACKGROUND:Increasing evidence suggests that a close interaction of Kupffer cells with T cells plays a central role in concanavalin A-induced hepatic injury in mice,but the underlying mechanisms remain *** present study aimed to determine the relative roles of Th1 and Th17 type responses in concanavalin A-induced hepatic injury in mice, and to investigate whether or not Kupffer cells contribute to hepatic injury via a Th1 or Th17 type response-dependent pathway. METHODS:Immune-mediated hepatic injury was induced in C57BL/6 mice by intravenous injection of concanavalin A. Kupffer cells were inactivated by pretreatment with gadolinium chloride 24 hours before the concanavalin A *** interferon-gamma(IFN-γ)and interleukin-17(IL-17)pathways were blocked by specific neutralizing *** injury was assessed using serum transferase activity and pathological *** of inflammatory cytokines within the liver was detected by real-time polymerase chain reaction and immunohistochemistry. RESULTS:Neutralization of IFN-γsignificantly attenuated concanavalin A-induced hepatic ***,neutralization of IL-17 failed to suppress the *** of Kupffer cells by gadolinium chloride pretreatment protected against concanavalin A-induced injury and significantly reduced hepatic cytokine levels including TNF-α,IL-6 and IFN-γbut not ***:Our findings suggest that Kupffer cells contribute to concanavalin A-induced hepatic injury via a Th1 type response-dependent pathway and production of inflammatory cytokines including TNF-α,IL-6 and IFN-γ.

关键词： Kupffer cells interferon-gamma interleukin-17 concanavalin A hepatic injury hepatitis

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Synergistic effect of combining paeonol and cisplatin on apoptotic induction of human hepatoma cell lines

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Acta Pharmacologica Sinica 2007年第6期28卷 869-878页

作者： Shu-ping XU~2,Guo-ping SUN~(4,5),Yu-xian SHEN~2,Wan-ren PENG~4,Hua WANG~3,Wei WEI~2~2 Institute of Clinical Pharmacology,Anhui Medical university,Key Laboratory of Anti-inflammatory and Immunological Pharmacology,Key Laboratory of Research and Development of Chinese medicine,Hefei 230032,china ~3 department of Oncology,Provincial hospital ofAnhui,Hefei 230001,china ~4 department of Oncology,The First affiliated hospital of Anhui Medical university,Hefei 230022,china Institute of Clinical Pharmacology Anhui Medical University Key Laboratory of Anti-inflammatory and Immunological Pharmacology Key Laboratory of Research and Development of Chinese Medicine Hefei China department of Oncology The First Affiliated Hospital of Anhui Medical University Hefei China department of Oncology Provincial Hospital of Anhui Hefei China

Aim:To investigate whether paeonol （Pae） has synergistic effects with cisplatin（CDDP） on the growth-inhibition and apoptosis-induction of human hepatomacell lines HepG2and ***:The cytotoxic effect of drugswas measured by 3-（4,5-dimethylthiazol-2-yl）-2,5-diphenyl-tetrazolium *** coefficient of drug interaction was used to analyze the nature of *** changes were observed by acridine orange fluo-rescence *** cycle and the apoptosis rate were detected by ***-2 and Bax expression were assayed by ***:Pae or CDDP had antiproliferative effect on the 2 cell linesin a dose-dependent manner,with different sensitivities to ***,a synergistic inhibitory effect on the viability of the 2 cell lineswas observed after treatment with a combination of Pae （15.63,31.25,and 62.5mg/L） with various concentrations of *** study showed typical mor-phological changes of apoptosis if the cells were exposed to the two agents for24 *** apoptotic rate of the cells with combination treatment was signifi-cantly higher than that of cells treated with Pae or CDDP *** expressionof Bcl-2 decreased and that of Bax increased in the treated groups,especially inthe combination group,with the ratio of Bcl-2/Bax decreasing ***,a combination of Pae with CDDP resulted in a stronger S phasearrest,compared with Pae or CDDP ***:Pae,in combinationwith CDDP,had a significantly synergistic growth-inhibitory and apoptosis-in-ducing effect on the 2 human hepatoma cell lines,which may be useful inhepatoma treatment.

关键词： paeonol cisplatin drug interaction human hepatoma cell line apoptosis cell cycle

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Protective effects of heat shock protein70 induced by geranyl-geranylacetone in atrophic gastritis in rats

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Acta Pharmacologica Sinica 2007年第7期28卷 1001-1006页

作者： Wei-li LIU~2,Shu-jie CHEN~2,Yan CHEN~(2,3),Lei-min SUN~2,Wei ZHANG~2,Ya-min ZENG~2,Tian-hua ZHOU~(2,4),Jian-min SI~(2,5)~2 department of Gastroenterology and Zhejiang Key laboratory of Traditional Chinese medicine(TCM),Sir Run Run Shaw hospital,Zhejianguniversity school of medicine,Hangzhou 310012,china ~3 department of Gastroenterology,Second affiliated hospital and ~4 Center forDisease Modeling,Zhejiang university College of medicine,Hangzhou 310058,china department of Gastroenterology and Zhejiang Key laboratory of Traditional Chinese medicine (TCM) Sir Run Run Shaw Hospital Zhejiang University School of Medicine Hangzhou China department of Gastroenterology Second Affiliated Hospital Zhejiang University College of Medicine Hangzhou China Center for Disease Modeling Zhejiang University College of Medicine Hangzhou China

Aim:To investigate the effect of geranylgeranylacetone (GGA) on the progres-sion of atrophic gastritis in rats and its potential ***:Atrophicgastritis was induced in Sprague-Dawley rats with 0.1% ammonia solution,60%ethanol,and 20 mmol/L deoxycholic acid for 24 *** by theinduction of atrophic gastritis,200 mg/kg GGA was administered by oral gavagefor 8 weeks (weeks 17-24).The histological changes in gastric mucosa werequantitated by the index of inflammation,the gastric mucosal thickness,and theamount of glands of 1 mm horizontal length in *** heat shockprotein (HSP)70 levels and distribution were determined by immunoblotting andimmunohistochemistry in gastric ***:GGA alleviated the pathologi-cal progression of atrophic gastritis with inflammation relief (inflammation index:1.40 in the GGA group and 1.65 in the atrophic gastritis group) and glandularrestoration (mucosal thickness and quantity of glands:194.3 μm and 38.7 mm inthe GGA group;123.3 μm and 32.7 mm in the atrophic gastritis group;P<0.05).GGA significantly induced HSP70 synthesis (P<0.05).Moreover,quercetin,aninhibitor of HSP70 expression,aggravated the infiltration of inflammatory cellsand glandular loss in the ***:GGA prevented the progression ofatrophic gastritis in rats via the induction of HSP70 expression.

关键词： geranylgeranylacetone heat shock protein70 atrophic gastritis quercetin

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Inhibitory effect of acetamide-45 on airway inflammation and phosphodiesterase 4 in allergic rats

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Acta Pharmacologica Sinica 2005年第12期26卷 1492-1496页

作者： Kai WANG~2 Hua-hao SHEN~(2,4) Jun-chun CHEN~2 Zhong CHEN~3 2 Respiratory department,the Second affiliated hospital,Medical school of Zhejiang university,Hangzhou 310009 3 department of Pharmacology,Medical school of Zhejiang university,Hangzhou 310031,china Respiratory department the Second Affiliated Hospital Medical School of Zhejiang University Hangzhou China department of Pharmacology Medical School of Zhejiang University Hangzhou China

Aim:To determine the effects of acetamide-45 on respiratory function,airwayinflammation,and the activity of phosphodiesterase 4（PDE4）in allergic ***:Rats were sensitized by a single intramuscular injection with ovalbumin（OVA）and were challenged with ovalbumin applied by using an aerosol repeat-edly for 7 d after 2 ***-45 at concentrations of 5,10,or 30 mg/kg wasthen administered by intraperitoneal *** in dynamic lung compli-ance and lung resistance,the accumulation of inflammatory cells in bronchoalveolarlavage,PDE4 activity,and the concentration of interleukin-4 in rat lung tissuewere ***:Seven days of treatment with acetamide-45 preventedeosinophil accumulation in allergic *** doses of 5,10,and 30 mg/kg,aceta-mide-45 decreased lung resistance to 0.20±0.04,0.25±0.07,and 0.22±0.05cmH2O·s-1·mL-1,respectively（P41±0.07,0.39±0.06,and 0.42±0.09 mL/cmH20（P45,the PDE4 activities inlung tissue were 281±55,273±57,and 238±36 nmol·g-1·min-1（P4 in lung tissue were 6.22±1.13,5.95±1.20,and 5.68±2.20 μtg/g protein（P45 wasfound to improve respiratory function and inhibit airway inflammation in thisanimal model,and the PDE4 activity of lung tissue was obviously ***-45 was an effective anti-inflammatory agent in respiratory inflammation,and the mechanism of its action might depend on inhibition of PDE4.

关键词： acetamide-45 3’,5’-cyclic nucleotide phosphodiesterase respiratory function tests eosinophils asthma

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Pathogenesis and treatment of parenteral nutrition-associated liver disease

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Hepatobiliary & Pancreatic Diseases International 2012年第6期11卷 586-593页

作者： Zi-Wei Xu ,You-Sheng Li department of Surgery, Jinling hospital, Nanjing university school of medicine, Nanjing 210002, china department of Surgery Jinling Hospital Nanjing University School of Medicine Nanjing 210002 China

BACKGROUND: Parenteral nutrition-associated liver disease (PNALD) has been common in patients who require long-term parenteral nutrition. PNALD develops in 40%-60% of infants on long-term parenteral nutrition compared with 15%-40% of adults on home parenteral nutrition for intestinal failure. The pathogenesis of PNALD is multifactorial and remains unclear There is no specific treatment. Management strategies for its prevention and treatment depend on an understanding of many risk factors. This review aims to provide an update on the pathogenesis and treatment of this disease. DATA SOURCES: A literature search was performed on the MEDLINE and Web of Science databases for articles published up to October 2011, using the keywords: parenteral nutrition associated liver disease, intestinal failure associated liver disease lipid emulsions and fish oil. The available data reported in the relevant literatures were analyzed. RESULTS: The literature search provided a huge amount of evidence about the pathogenesis and management strategies on PNALD. Currently, lack of enteral feeding, extended duration of parenteral nutrition, recurrent sepsis, and nutrient deficiency or excess may play important roles in the pathogenesis of PNALD. Recent studies found that phytosterols present as contaminants in soy-based lipid emulsions, are also an important factor in the pathogenesis. Moreover, the treatment of PNALD is discussed. CONCLUSIONS: The use of lipid emulsions, phytosterols in particular, is associated with PNALD. Management strategies for the prevention and treatment of PNALD include consideration of early enteral feeding, the use of specialized lipid emulsions such as fish oil emulsions, and isolated small bowel or combined liver and small bowel transplantation. A greater understanding of the pathogenesis of PNALD has led to promising interventions to prevent and treat this condition. Future work should aim to better understand the mechanisms of PNALD and the long-term outcomes

关键词： parenteral nutrition-associated liver disease phytosterol farnesoid X receptor fish oil

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Changes of phospholipase D activity of rat peritoneal mast cells in degranulation

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Acta Pharmacologica Sinica 2004年第1期 106-111页

作者： Yun- bi LU, Ming WU, Han-liang ZHOUdepartment of Pharmacology, school of medicine, Zhejiang university, Hangzhou 310031 department of Cardiovascular Thoracic Surgery, Second affiliated hospital, school of medicine, Zhejiang university, Hangzhou 310009, china

IM: To study the changes of phospholipase D (PLD) activity of actively sensitized rat peritoneal mast cells (RPMC) in degranulation. METHODS: Degranulation of RPMC was determined by measurement of β-hexosaminidase release. PLD activity assay was carried out by measurement of PLD product, choline, with chemiluminescent oxidation of luminol. RESULTS: Actively sensitized RPMC challenged with ovalbumin (0.5-8 mg/L for 120 s, 4 mg/L for 15-120 s) resulted in significant activation of PLD accompanied with the increment of P-hexosaminidase release. PLD activity of sensitized RPMC was increased by more than 2-fold compared with that of unsensitized RPMC which contained low levels of PLD activity [(35±13) pmol choline/min in 1×106cells], but β-hexosaminidase releases of the sensitized cells were as low as spontaneous releases.

关键词： ovalbumin phospholipase D immunization mast cells

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Current therapy with nucleoside/nucleotide analogs for patients with chronic hepatitis B

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Hepatobiliary & Pancreatic Diseases International 2006年第3期5卷 350-359页

作者： Xiao-Wei Xu and Ya-Gang Chen department of Infectious Diseases, First affiliated hospital, Zhejiang university school of medicine, Hangzhou 310003, china department of Infectious Diseases First Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310006 China.

BACKGROUND: Currently, more and more nucleos(t)ide analogs are appearing as therapeutic options in the treatment of chronic hepatitis B (CHB). Their efficacy and safety profile in hepatitis B virus (HBV) infection have already been studied in detail worldwide. This review summarizes the efficacy of lamivudine, adefovir, entecavir and newer antiviral agents such as emtricitabine, telbivudine and clevudine in the treatment of hepatitis B in different clinical situations. DATA SOURCES: An English-language literature search using OVID and MEDLINE was performed and a total of 40 articles on the treatment of chronic hepatitis with nucleos(t)ide analogues were selected. RESULTS: Nucleos(t)ide analogs such as lamivudine, adefovir and entecavir are well tolerated and induce a decrease in serum HBV-DNA levels associated with normalization of serum alanine aminotransferase (ALT) levels. But their sustained response with HBeAg to anti-HBe seroconversion is rarely obtained and HBsAg loss is exceptional. The response is maintained during therapy which needs to be continued indefinitely in the majority of patients since withdrawal of treatment is generally followed by a rapid reactivation of hepatitis B. However, drug resistant mutations can be induced in long-term treatment. Other newer antiviral agents such as emtricitabine, telbivudine and clevudine in the treatment of hepatitis B are still under phaseⅡorⅢclinical trials. CONCLUSIONS: Nucleos(t)ide analogs play an important role in the therapy of hepatitis B now and in the future. Lamivudine is limited by the frequent emergence of drugresistant (HBV) mutants (YMDD). Adefovir and entecavir appear to be effective against both YMDD mutation and wild type. Therapeutic options against hepatitis B virus remain a major clinical challenge.

关键词： hepatitis B antivirus lamivudine adefovir entecavir emtricitabine telbivudine clevudine

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Establishment and Application of a TaqMan Real-Time Quantitative Reverse Transcription-Polymerase Chain Reaction Assay for Rubella Virus RNA

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Acta Biochimica et Biophysica Sinica 2006年第10期38卷 731-736页

作者： Li-Hong ZHAO~1* Yu-Yan MA~2 Hong WANG~1 Shu-Ping ZHAO~3 Wei-Ming ZHAO~1 Hua LI~2 Lei-Yi WANG~2 1 department of Microbiology,school of medicine,Shandong university,Jinan 250012,china 2 Qilu hospital,Shandong university,Jinan 250012,china 3 Tai'an central hospital,Tai'an 271000,china 4 department of Virology,school of Public Health,Shandong university,Jinan 250012,china department of Microbiology School of Medicine Shandong UniversityJinan 250012 China Qilu hospital Shandong UniversityJinan 250012 China Tai'an central hospital Tai'an 271000 China

The aim of this study was to establish and apply a real-time quantitative reverse transcription-polymerase chain reaction （RT-PCR） for rubella virus （RV） ***,the primer and TaqMan probeconcentrations,as well as reaction temperatures were optimized to establish an efficient real-time quantitativeRT-PCR assay for RV ***,an RV-specific PCR amplicon was made as an external standard toestimate the linearity,amplification efficiency,analytical sensitivity and reproducibility of the real timequantitative ***,the assay was applied to quantify RV RNA in clinical samples for rubella *** RV-specific PCR amplicon was prepared for evaluation of the assay at 503 bp,and its original concentrationwas 2.75×10～9 copies/μ*** real time quantitative assay was shown to have good linearity （R2=0.9920）,highamplification efficiency （E=1.91）,high sensitivity （275 copies/ml）,and high reproducibility （variation coefficientrange,from 1.25% to 3.58%）.Compared with the gold standard,the specificity and sensitivity of the assayin clinical samples was 96.4% and 86.4%,***,the established quantitative RT-PCRmethod is a simple,rapid,less-labored,quantitative,highly specific and sensitive assay for RV RNA.

关键词： rubella virus PCR amplicon real-time fluorescence quantitative RT-PCR

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