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Synergetic anticancer effect of combined gemcitabine and photodynamic therapy on pancreatic cancer in vivo

World Journal of Gastroenterology 2009年第6期15卷 737-741页

作者： Qi xie Lin Jia Yan-Hong Liu Cheng-Gang Wei Department of Radiology Nan Sha Center Hospital Guangzhou Municipal First People's Hospital Guangzhou Medical College Guangzhou 510180 Guangdong Province China Department of Digestive Diseases Guangzhou Municipal First People's Hospital Guangzhou Medical College Guangzhou 510180 Guangdong Province China

AIM： To investigate the anti-tumor effects of combined cytotoxic drug （gemcitabine） and photodynamic therapy （PDT） on human pancreatic cancer xenograft in nude mice.METHODS： Human pancreatic cancer cell line SW1990 was used in the investigation of the in vivo effect of combined gemcitabine and PDT on human pancreatic cancer xenograft in mice. Sixty mice were randomly allocated into a control group （without treatment）, photosensitizer treatment group （2 mg/kg photosan, without illumination）, chemotherapy group （50 mg/kg gemcitabine i.p.）, PDT group （2 mg/kg photosan ＋ laser irradiation） and combined treatment group （photosan ＋ chemotherapy）, with 12 mice in each group. Tumor size was measured twice every week. Anti-tumor activity in different groups was evaluated by tumor growth inhibition （TGI）RESULTS： No significant anti-tumor effect was observed either in photosensitizer treatment group or in chemotherapy group. PDT led to necrosis in cancer lesions and significantly reduced tumor volume compared with photosensitizer on day 6 and at the following time points after initialization of therapy （0.24 ± 0.15-0.49 ± 0.08 vs 0.43 ± 0.18-1.25± 0.09, P 〈 0.05）. PDT significantly reduced tumor volume in combined treatment group compared with photosensitizer treatment group （0.12 ± 0.07-0.28 ± 0.22 vs 0.39 ± 0.15-2.20 ± 0.12, P 〈 0.05）, small dose chemotherapy group （0.12 ± 0.07-0.28 ± 0.12 vs 0.32 ± 0.14-1.16 ± 0.08, P 〈 0.05） and control group （0.12 ± 0.07-0.28 ± 0.12 vs 0.43 ± 0.18-1.25 ± 0.09, P 〈 0.05）. TGI was higher in the combined treatment group （82.42%） than in the PDT group （58.18%）.CONCLUSION： PDT has a significant anti-tumor effect, which is maintained for a short time and can be significantly enhanced by small doses of gemcitabine.

关键词： pancreatic carcinoma Nude mice Animal model Photodynamic therapy Gemcitabine

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Predictors of long-term survival after pancreaticoduodenectomy for peri-ampullary adenocarcinoma: A retrospective study of 5-year survivors

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Hepatobiliary & pancreatic Diseases International 2018年第5期17卷 443-449页

作者： Ayman El Nakeeb Mohamed El Sorogy Helmy Ezzat Rami Said Mohamed El Dosoky Mohamed Abd El Gawad Ahmed M Elsabagh Ehab El Hanafy Gastroenterology Surgical Center Mansoura University

Background: pancreaticoduodenectomy(PD) is the standard curative treatment for periampullary tumors. The aim of this study is to report the incidence and predictors of long-term survival( ≥ 5 years) after PD. Methods: This study included patients who underwent PD for pathologically proven periampullary adenocarcinomas. Patients were divided into 2 groups: group(I) patients who survived less than 5 years and group(II) patients who survived ≥ 5 years. Results: There were 47(20.6%) long-term survivors( ≥ 5 years) among 228 patients underwent PD for periampullary adenocarcinoma. Patients with ampullary adenocarcinoma represented 31(66.0%) of the long-term survivors. Primary analysis showed that favourable factors for long-term survival include age pancreatic fistula, R0 resection, postoperative chemotherapy, and no recurrence. Multivariate analysis demonstrated that CA 19-9 carcinoma, for which the median survival was 54 months and 5-year survival rate was 39.0%, and the poorest was pancreatic head adenocarcinoma, for which the median survival was 27 months and 5-year survival rate was 7%. Conclusions: The majority of long-term survivors after PD for periampullary adenocarcinoma are patients with ampullary tumor. CA 19-9 < 37 U/mL, smaller tumor size, and R0 resection were found to be independent factors for long-term survival ≥ 5 years.

关键词： pancreatic carcinoma pancreatic head carcinoma pancreaticodudenectomy Long-term survival

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Expression of tissue factor in pancreatic adenocarcinoma is associated with activation of coagulation

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World Journal of Gastroenterology 2006年第30期12卷 4843-4849页

作者： Stephan L Haas Ralf Jesnowski Michael Steiner Frank Hummel Jrg Ringel Christine Burstein Horst Nizze Stefan Liebe J Matthias Lhr Department of Medicine II University of Heidelberg at Mannheim Germany Department of Clinical Chemistry and Pathobiochemistry University of Rostock Rostock Germany Department of Pathology University of Rostock Rostock Germany Department of Medicine University of Rostock Rostock Germany

AIM： To study expression of tissue factor （TF） in pancreatic cancer and its role in the development of thromboembolism.METHODS： TF expression was studied in eight human pancreatic carcinoma cell lines by Northern blot and indirect immunofluorescence. Expression of alternatively spliced TF （asTF） was assessed by RT-PCR. In addition, TF expression was determined by immunofluorescence in pancreatic tissues of 19 patients with pancreatic adenocarcinoma （PCa）, 9 patients with chronic pancreatitis （CP） and 20 normal controls. Plasma samples （30 PCa-patients, 13 CP-patients and 20 controls） were investigated for soluble TF levels and coagulation activation markers [thrombin-antithrombin Ⅲ complex （TAT）, prothrombin fragment 1 ＋ 2 （F1 ＋ 2）]. RESULTS： All pancreatic carcinoma cell lines expressed TF （8/8） and most of them expressed asTF （6/8）. TF expression at the protein level did not correlate with the differentiation of the carcinoma cell line. All but two pancreatic cancer tissue samples stained positive for TF （17/19）. In all samples of CP weak staining was restricted to pancreatic duct cells, whereas only a few subendothelial cells were positive in 9/20 of normal controls. TF and TAT levels in PCa patients were significantly elevated compared to controls whereas elevated F1 ＋ 2 levels did not reach statistical significance compared to controls. In CP patients TAT and F1 ＋ 2 levels proved to be significantly elevated compared to controls, although TAT elevation was less pronounced than in PCa patients. CONCLUSION： We conclude that in addition to the upregulated expression of TF on the cell membrane, soluble TF might contribute to activation of the coagulation system in pancreatic cancer.

关键词： Coagulation activation pancreatic carcinoma Thromboembolism Thrombosis Tissue factor

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Effect of p120 Catenin Silencing on Biological Behaviors of PANC-1 Cells

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Journal of Huazhong University of Science and Technology(Medical Sciences) 2012年第5期32卷 707-712页

作者：程张军 Volker Assfag 石欣林士波夏江燕杨平华 Norbert Hüser 沈锋 Department of General Surgery the Affiliated Zhongda HospitalSoutheast University Eastern Hepatobiliary Surgical Hospital Second Military Medical University Department of Surgery Klinikum rechts der IsarTechnische Universitt München

This study examined the possible role of p120ctn in the pathogenesis and development of pan-creatic ***-1 cells,a kind of human pancreatic carcinoma cell line,were cultured in this study.p120ctn was immunocytochemically detected in PANC-1 *** recombinant lentivirus vector was constructed to knock down the p120ctn expression of PANC-1 ***-time quantitative PCR (RQ-PCR) and Western blotting were used to determine the expression of p120ctn and E-cadherin in PANC-1 cells after p120ctn *** adhesion,invasion and migration capacity of PANC-1 cells after p120ctn knockdown was detected by cell adhesion,invasion and migration *** growth was measured by the MTT *** cycle and apoptosis were analyzed by fluorescence-activated cell *** results showed that p120ctn knockdown led to significantly down-regulated E-cadherin and a reduced cell-to-cell adhesion ability in PANC-1 ***-mediated knockdown of p120ctn reduced invasion and migration capacity of PANC-1 cells,inhibited cell growth,caused a significant decrease in the percentage of cells in G1,an increase in S,and promoted apoptosis of PANC-1 *** was concluded that p120ctn plays a pivotal role in the proliferation and metastasis of pancreatic carcinoma,suggesting that p120ctn is a novel target for pancreatic carcinoma treatment.

关键词： p120ctn pancreatic carcinoma invasion migration small hairpin RNA interference

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Five-year survival following a medial pancreatectomy for an invasive ductal carcinoma from the body of the pancreas

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World Journal of Gastroenterology 2006年第5期12卷 822-824页

作者： Hideki Abe Kouichi Tsuneyama Kazuhiro Tsukada Masatoshi Makuuchi Hepatobiliarypancreatic Division Department of SurgeryGraduate School of MedicineUniversity of TokyoTokyoJapan Department of Pathology Toyama Medical and Pharmaceutical UniversityToyamaJapan Second Department of Surgery Toyama Medical and Pharmaceutical University.ToyamaJapan

We report a rare case of a patient who survived for 5 years after undergoing a medial pancreatectomy for invasive ductal carcinoma originating from the body of the pancreas. A 63-year-old woman was diagnosed as a small cancer of the pancreatic body, and surgery was performed. Even though the tumor was a carcinoma, its small size prompted us to perform a medial pancreatectomy with regional lymph nodes dissection. Additional chemoradiation was performed and, five years after surgery, the patient is well with no signs of recurrence. Medial pancreatectomy for invasive ductal carcinoma has not ever been reported. Furthermore, long-term survival after a lumpectomy for invasive ductal carcinoma has never been reported in the literatures. The current case suggests that long-term survival in patients with invasive ductal carcinoma of the pancreas may be associated with the pathological or biological features of pancreatic carcinoma.

关键词： Ductal carcinoma Medial pancreatectomy pancreatic carcinoma

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Current opinion on lymphadenectomy in pancreatic cancer surgery

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Hepatobiliary & pancreatic Diseases International 2011年第1期10卷 21-25页

作者： Theodoros E Pavlidis Efstathios T Pavlidis Athanasios K Sakantamis Second Surgical Propedeutical Department Medical SchoolAristotle University of ThessalonikiHippocration Hospital

BACKGROUND:Adenocarcinoma of the pancreas exhibits aggressive behavior in growth,inducing an extremely poor prognosis with an overall median 5-year survival rate of only 1%-4%.Curative resection is the only potential therapeutic opportunity. DATA SOURCES:A PubMed search of relevant articles published up to 2009 was performed to identify information about the value of lymphadenectomy and its extent in curative resection of pancreatic adenocarcinoma. RESULTS:Despite recent advances in chemotherapy,radio-therapy or even immunotherapy,surgery still remains the major factor that affects the *** initial promising performance in Japan gave conflicting results in Western countries for the extended and more radical pancreatectomy; it has failed to prove *** prospective,randomized trials on extended versus standard lymphadenectomy during pancreatic cancer surgery have shown no improvement in long-term survival by the extended *** exact lymph node status,including malignant spread and the total number retrieved as well as the lymph node ratio,is the most important prognostic *** lymph nodes after pancreatectomy are present in 70%.Paraaortic lymph node spread indicates poor prognosis. CONCLUSIONS:Undoubtedly,a standard lymphadenectomy including>15 lymph nodes must be no longer preferred in patients with the usual head *** extended lymphadenectomy does not have any place,unless in randomized *** cases with body or tail location,the radical antegrade modular pancreatosplenectomy gives promising ***,accurate localization and detailed examination of the resected specimen are required for better staging.

关键词： pancreatic carcinoma lymphadenectomy pancreatectomy curative resection pancreatoduodenectomy distal pancreatosplenectomy

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Meiotic nuclear divisions 1 suppresses the proliferation and invasion of pancreatic cancer cells via regulating H2A.X variant histone

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BIOCELL 2024年第1期48卷 111-122页

作者： DONGQIN WANG YAN SHI ZHIQIANG WANG JING ZHANG LUYAO WANG HONGYU MA SHUHUA SHI XIAOFU LIAN HUA HUANG XIAOJING WANG CHAOQUN LIAN Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease Molecular Diagnosis CenterThe Department of Pulmonary Critical Care MedicineFirst Affiliated Hospital of Bengbu Medical CollegeBengbu233030China Department of Genetics School of Life SciencesBengbu Medical CollegeBengbu233000China Department of Clinical Medicine Bengbu Medical CollegeBengbu233030China Research Center of Clinical Laboratory Science Bengbu Medical CollegeBengbu233030China

Introduction:Among all malignant tumors of the digestive system,pancreatic carcinoma exhibits the highest mortality ***,prevention and effective treatment are urgent issues that need to be ***:The study focused on meiotic nuclear divisions 1(MND1),integrating data from the Gene Expression Profiling Interactive Analysis(GEPIA)database with prognostic survival ***,experiments at cellular level were employed to demonstrate the effect of MND1 on the proliferation and migration of *** small-molecule inhibitor of MND1 was used to suppress the migration of PC cells by knocking down MND1 using small interfering RNA(siRNA)in Patu-8988 and Panc1 cell ***:The results of Cell Counting Kit-8 indicated that the suppression of MND1 resulted in a decrease in cell *** healing and Transwell assays revealed that MND1 knockdown reduced cell migration and *** cytometry revealed that inhibiting MND1 hindered the cell ***,MND1 could stimulate the proliferation,migration,and invasion of Patu-8988 and Panc1 cells by increasing the expression of ***,MND1 had a positive effect on H2AFX expression in PC *** MND1 expression suggests the low overall survival rate of individuals diagnosed with ***:These findings suggest that MND1 has the potential to be a gene with the ability to accurately diagnose and treat PC.

关键词： pancreatic carcinoma MND1 H2AFX Cell cycle

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One-step palliative treatment method for obstructive jaundice caused by unresectable malignancies by percutaneous transhepatic insertion of an expandable metallic stent

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World Journal of Gastroenterology 2006年第15期12卷 2423-2426页

作者： Hiroshi Yoshida Yasuhiro Mamada Nobuhiko Taniai Yoshiaki Mizuguchi Tetsuya Shimizu Shigeki Yokomuro Takayuki Aimoto Yoshiharu Nakamura Eiji Uchida Yasuo Arima Manabu Watanabe Eiichi Uchida Takashi Tajiri Department of Surgery 1 Nippon Medical School Japan Uchida Hospital Japan

AIM： To describe a simple one-step method involving percutaneous transhepatic insertion of an expandable metal stent （EMS） used in the treatment of obstructive jaundice caused by unresectable malignancies. METHODS： Fourteen patients diagnosed with obstructive jaundice due to unresectable malignancies were included in the study. The malignancies in these patients were a result of very advanced carcinoma or old age. Percutaneous transhepatic cholangiography was performed under ultrasonographic guidance. After a catheter with an inner metallic guide was advanced into the duodenum, an EMS was placed in the common bile duct, between a point 1 cm beyond the papilla of Vater and the entrance to the hepatic hilum. In cases where it was difficult to span the distance using just a single EMS, an additional stent was positioned. A drainage catheter was left in place to act as a hemostat. The catheter was removed after resolution of cholestasis and stent patency was confirmed 2 or 3 d post-procedure. RESULTS： One-step insertion of the EMS was achieved in all patients with a procedure mean time of 24.4 min. Out of the patients who required 2 EMS, 4 needed a procedure time exceeding 30 min. The mean time for removal of the catheter post-procedure was 2.3 d. All patients died of malignancy with a mean follow-up time of 7.8 mo. No stent-related complication or stent obstruction was encountered. CONCLUSIONS： One-step percutaneous transhepaticinsertion of EMS is a simple procedure for resolving biliary obstruction and can effectively improve the patient＇s quality of life.

关键词： Expandable metallic stent Bile duct carcinoma Gall bladder carcinoma pancreatic carcinoma Gastric carcinoma Obstructive jaundice

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Invasive ductal carcinoma of the pancreas showing exophytic growth

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Hepatobiliary & pancreatic Diseases International 2009年第1期8卷 97-102页

作者： Yuichi Sanada Kazuhiro Yoshida Masaoki Itoh Riki Okita Morihito Okada Department of Surgical Oncology Research Institution for Radiation Biology and MedicineHiroshima University

BACKGROUND:Invasive pancreatic carcinoma generally appears as poorly defined mass reflecting the infiltrative *** aimed to identify the histological and immunohistochemical features in a rare case of pancreatic carcinoma showing exophytic growth. METHODS:A 67-year-old woman presented with a mass of 5.0 cm in diameter in the pancreatic *** computed tomography revealed a well-demarcated, primarily solid mass with a central low-density area. Magnetic resonance cholangiopancreatography revealed neither encasement nor dilation of the main pancreatic *** incorrect preoperative diagnosis was made of solid pseudopapillary tumor of the *** serum carcinoembryonic antigen(CEA)levels and abnormal FDG positron emmission tomography accumulation suggested that the tumor had malignant potential requiring a pancreatoduodenectomy. RESULTS:The head of the pancreas contained a well- circumscribed encapsulated mass of 5.0 cm in diameter, comprising 50%adenocarcinoma,with mucinous carci- noma in the center and anaplastic carcinoma at the *** anaplastic carcinoma comprised pleo- morphic cells(PCs)and pleomorphic giant cells(PGCs). The PGCs phagocytozed mononuclear PCs and lymphocytes adjacent to the capsule without infiltrating the capsule *** revealed that the anaplastic carcinoma cells including PGCs were positive for the tumor antigen Mucin 1 and CEA but negative for vimentin. CONCLUSION:Our observations suggest anaplastic carcinoma components in the present tumor have a ductal origin and that the exophytic tumor growth is associated with the phagocytotic activity of PGCs.

关键词： pancreatic carcinoma anaplastic carcinoma mucinous carcinoma Mucin 1 carcinoembryonic antigen

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Inhibition of KL-6/MUC1 glycosylation limits aggressive progression of pancreatic cancer

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World Journal of Gastroenterology 2014年第34期20卷 12171-12181页

作者： Huan-Li Xu Xin Zhao Ke-Ming Zhang Wei Tang Norihiro Kokudo Department of Pharmacology School of Basic Medical SciencesCapital Medical University Department of Hepatobiliary Surgery 302 Hospital of Chinese People’s Liberation Army Hepato-Biliary-pancreatic Surgery Division Department of SurgeryGraduate School of MedicineUniversity of TokyoTokyo 113-8654Japan

AIM: To evaluate the significance of KL-6/MUC1 (a type of MUC1) glycosylation in pancreatic cancer progression.

关键词： Benzyl-N-acetyl-alpha-galactosaminide Glycosylation KL-6/MUC1 pancreatic carcinoma Tunicamycin

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