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Pancreas cancer pancreatitis

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https://www.readbyqxmd.com/read/28643308/-anatomical-strategies-of-henle-trunk-in-laparoscopic-right-hemi-colectomy-for-right-colon-cancer
#1
Bo Feng, Xialin Yan, Sen Zhang, Pei Xue, Zirui He, Minhua Zheng
The advancement of laparoscopic surgery serves as a trigger for better understanding of the vascular structure at the inferior border of the pancreas, especially Henle trunk. Henle trunk was first found as convergence to superior mesenteric vein (SMV) conjoined by sub-right colon vein (SRCV) and right gastroepiploic vein (RGEV), but decades later, anterior superior pancreatic duodenal vein (ASPDV) was described as another conjoint vein of Henle trunk. These tributaries are the basic elements of Henle trunk in early years' study...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28639725/targeting-nad-p-h-quinone-oxidoreductase-nqo1-in-pancreatic-cancer
#2
Anne M Lewis, Matthew Ough, Juan Du, Ming-Sound Tsao, Larry W Oberley, Joseph J Cullen
Quinone oxidoreductase (NQO1) functions as an important part of cellular antioxidant defense by detoxifying quinones, thus preventing the formation of reactive oxygen species. The aims of our study were to determine if NQO1 is elevated in pancreatic cancer specimens and pancreatic cancer cell lines and if so, would compounds previously demonstrated to redox cycle with NQO1 be effective in killing pancreatic cancer cells. Immunohistochemistry of resected pancreatic specimens demonstrated an increased immunoreactivity for NQO1 in pancreatic cancer and pancreatic intraepithelial neoplasia (PanIN) specimens versus normal human pancreas...
July 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28638795/potential-prognostic-biomarkers-in-pancreatic-juice-of-resectable-pancreatic-ductal-adenocarcinoma
#3
REVIEW
Shefali Agrawal
Despite potentially curative surgery pancreatic cancer has a dismal prognosis. Serum cancer antigen 19-9 (CA 19-9) correlates with tumor burden, resectability and survival in patients with pancreatic ductal adenocarcinoma. Identification of novel biomarkers may facilitate early diagnosis of pancreatic cancer and improve survival. Pancreatic juice is a rich source of cancer-specific proteins rendering it a promising tool for identifying biomarkers. Recent proteomic and microRNA expression analyses have identified several biomarkers of potential diagnostic and prognostic value...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28638231/pleiotrophin-and-n-syndecan-promote-perineural-invasion-and-tumor-progression-in-an-orthotopic-mouse-model-of-pancreatic-cancer
#4
Jun Yao, Lu-Lin Zhang, Xu-Mei Huang, Wen-Yao Li, She-Gan Gao
AIM: To detect the expression of pleiotrophin (PTN) and N-syndecan in pancreatic cancer and analyze their association with tumor progression and perineural invasion (PNI). METHODS: An orthotopic mouse model of pancreatic cancer was created by injecting tumor cells subcapsularly in a root region of the pancreas beneath the spleen. Pancreatic cancer tissues were taken from 36 mice that survived for more than 90 d. PTN and N-syndecan proteins were detected by immunohistochemistry and analyzed for their correlation with pathological features, PNI, and prognosis...
June 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28634199/characterising-cis-regulatory-variation-in-the-transcriptome-of-histologically-normal-and-tumour-derived-pancreatic-tissues
#5
Mingfeng Zhang, Soren Lykke-Andersen, Bin Zhu, Wenming Xiao, Jason W Hoskins, Xijun Zhang, Lauren M Rost, Irene Collins, Martijn van de Bunt, Jinping Jia, Hemang Parikh, Tongwu Zhang, Lei Song, Ashley Jermusyk, Charles C Chung, Bin Zhu, Weiyin Zhou, Gail L Matters, Robert C Kurtz, Meredith Yeager, Torben Heick Jensen, Kevin M Brown, Halit Ongen, William R Bamlet, Bradley A Murray, Mark I McCarthy, Stephen J Chanock, Nilanjan Chatterjee, Brian M Wolpin, Jill P Smith, Sara H Olson, Gloria M Petersen, Jianxin Shi, Laufey Amundadottir
OBJECTIVE: To elucidate the genetic architecture of gene expression in pancreatic tissues. DESIGN: We performed expression quantitative trait locus (eQTL) analysis in histologically normal pancreatic tissue samples (n=95) using RNA sequencing and the corresponding 1000 genomes imputed germline genotypes. Data from pancreatic tumour-derived tissue samples (n=115) from The Cancer Genome Atlas were included for comparison. RESULTS: We identified 38 615 cis-eQTLs (in 484 genes) in histologically normal tissues and 39 713 cis-eQTL (in 237 genes) in tumour-derived tissues (false discovery rate <0...
June 20, 2017: Gut
https://www.readbyqxmd.com/read/28630946/differentiation-and-inflammation-best-enemies-in-gastrointestinal-carcinogenesis
#6
Nathan M Krah, L Charles Murtaugh
While recent studies demonstrate that cancer can arise from mutant stem cells, this hypothesis does not explain why tissues without defined stem cell populations are susceptible to inflammation-driven tumorigenesis. We propose that chronic inflammatory diseases, such as colitis and pancreatitis, predispose to gastrointestinal (GI) adenocarcinoma by reprogramming differentiated cells. Focusing on colon and pancreas, we discuss recently discovered connections between inflammation and loss of cell differentiation, and propose that dysregulation of cell fate may be a novel rate-limiting step of tumorigenesis...
December 2016: Trends in Cancer
https://www.readbyqxmd.com/read/28625083/spinal-cord-ischemia-after-endoscopic-ultrasound-guided-celiac-plexus-neurolysis-case-report-and-review-of-the-literature
#7
Ibrahim Hakkı Köker, Ayşe Aralaşmak, Nurcan Ünver, Talip Asil, Hakan Şentürk
INTRODUCTION: Endosonography guided celiac plexus neurolysis is efficacious in the management of severe pain due to advanced pancreatic cancer. Although endoscopic ultrasound (EUS) guided celiac neurolysis (CN) is mostly a safer procedure than the percutaneous posterior approach, severe complications such as paraplegia have been reported. CASE REPORT: We describe a patient with advanced adenocarcinoma of the pancreas and severe pain who developed irreversible paraplegia after EUS guided CN...
June 18, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28620900/new-treatment-options-and-management-considerations-in-borderline-resectable-pancreatic-cancer
#8
REVIEW
Zeljka Jutric, Laleh G Melstrom
In the United States, cancer of the pancreas accounts for nearly 40,000 deaths annually and is the fourth leading cause of cancer-related mortality. The vast majority of patients present with metastatic or unresectable disease. Only 20% of patients are candidates for surgery, and therefore curable. The 5-year survival rate for patients with pancreatic adenocarcinoma is only 6%, with surgical resection being essential for long-term survival. Recent research has identified a precise subset of patients with borderline resectable pancreatic cancer for whom resection yielding durable survival is possible...
June 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28620144/optimized-roi-size-on-adc-measurements-of-normal-pancreas-pancreatic-cancer-and-mass-forming-chronic-pancreatitis
#9
Chao Ma, Jing Li, Mbaiaoure Barak Boukar, Panpan Yang, Li Wang, Luguang Chen, Li Su, Jianxun Qu, Shi-Yue Chen, Qiang Hao, Jian-Ping Lu
OBJECTIVES: To investigate the effects of region of interest (ROI) sizes on apparent diffusion coefficient (ADC) measurements for the differentiation of normal pancreas (NP), pancreatic ductal adenocarcinoma (PDAC) and mass-forming chronic pancreatitis (MFCP). RESULTS: There were no significant differences for the mean ADCs measured by 12 different-size ROIs for MFCP, or PDAC and NP (P = 0.858-1.0). With the increase of ROI size (≥ 55 mm2), ADCs of PDAC were significantly lower than those of NP (all P < 0...
June 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28609371/orthotopic-patient-derived-pancreatic-cancer-xenografts-engraft-into-the-pancreatic-parenchyma-metastasize-and-induce-muscle-wasting-to-recapitulate-the-human-disease
#10
Kristina L Go, Daniel Delitto, Sarah M Judge, Michael H Gerber, Thomas J George, Kevin E Behrns, Steven J Hughes, Andrew R Judge, Jose G Trevino
OBJECTIVE: Limitations associated with current animal models serve as a major obstacle to reliable preclinical evaluation of therapies in pancreatic cancer (PC). In an effort to develop more reliable preclinical models, we have recently established a subcutaneous patient-derived xenograft (PDX) model. However, critical aspects of PC responsible for its highly lethal nature, such as the development of distant metastasis and cancer cachexia, remain underrepresented in the flank PDX model...
July 2017: Pancreas
https://www.readbyqxmd.com/read/28603895/metastatic-neoplasms-to-the-pancreas-diagnosed-by-fine-needle-aspiration-biopsy-cytology-a-15-year-retrospective-analysis
#11
Sasha L T Raymond, Deanne Yugawa, Karen H F Chang, Brandy Ena, Pamela S Tauchi-Nishi
BACKGROUND: Metastatic tumors to the pancreas are rarely encountered and diagnostically challenging. We aspired to determine the incidence and origin of all metastases to the pancreas at our institution, and to examine their clinicopathologic and cytomorphologic features. We also sought to ascertain the effect of endoscopic ultrasound (EUS) guidance implementation. METHODS: A search of our database was undertaken to review all pancreatic FNA and/or CNB examined from January 2000 through December 2014...
June 11, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28593459/impact-of-surgery-and-surveillance-in-the-management-of-branch-duct-intraductal-papillary-mucinous-neoplasms-of-the-pancreas-according-to-fukuoka-guidelines-the-bologna-experience
#12
Riccardo Casadei, Claudio Ricci, Giovanni Taffurelli, Carlo Alberto Pacilio, Marina Migliori, Francesco Minni
The objective of the study was to evaluate the Fukuoka guidelines in indicating the proper management for recognising the risk factors of malignancy. Data of patients with branch duct intraductal papillary mucinous neoplasms who underwent pancreatic resection or surveillance according to the Fukuoka risk parameters were collected in a prospective database. The clinical outcome (development of pancreatic cancer, overall and disease-specific survival) and pathological results were evaluated in all patients and in resected cases, respectively...
June 7, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28591747/identification-and-causes-of-metabonomic-difference-between-orthotopic-and-subcutaneous-xenograft-of-pancreatic-cancer
#13
Bohan Zhan, Shi Wen, Jie Lu, Guiping Shen, Xianchao Lin, Jianghua Feng, Heguang Huang
Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal tumors. However, the methodological differences between orthotopic and subcutaneous xenograft (OX and SX) models will cause confusion in understanding its pathological mechanism and clinical relevance. In this study, SX and OX models were established by implanting Panc-1 and BxPC-3 cell strains under skin and on the pancreas of mice, respectively. The tumor tissue and serum samples were collected for1H NMR spectroscopy followed by univariate and multivariate statistical analyses...
May 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28590776/clinical-effects-of-chemoradiotherapy-in-pursuit-of-optimal-treatment-of-locally-advanced-unresectable-pancreatic-cancer
#14
Kenta Sui, Takehiro Okabayashi, Yasuo Shima, Sojiro Morita, Jun Iwata, Tatsuaki Sumiyoshi, Yuichi Saisaka, Yasuhiro Hata, Yoshihiro Noda, Manabu Matsumoto, Akihito Nishioka, Tastuo Iiyama, Yasuhiro Shimada
OBJECTIVES: The treatment of locally advanced unresectable pancreatic cancer remains extremely challenging, particularly as the efficacy of concurrent chemoradiotherapy (CRT) remains unclear. METHODS: We studied 93 patients (8.0%) with locally advanced unresectable pancreatic cancer without distant metastases from among a total group of 1168 patients who were diagnosed with pancreatic cancer from March 2005 to November 2015 at Kochi Health Sciences Center. We therefore evaluated the clinical efficacy of CRT in patients with locally advanced unresectable pancreatic cancer...
June 7, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28588798/combination-therapy-with-gemcitabine-and-nab-paclitaxel-for-locally-advanced-unresectable-pancreatic-cancer
#15
Takeshi Saito, Keinosuke Ishido, Daisuke Kudo, Norihisa Kimura, Taiichi Wakiya, Yoshihito Nakayama, Kenichi Hakamada
The aim of the present study was to investigate the early treatment outcomes of combined gemcitabine and nab-paclitaxel treatment for locally advanced unresectable pancreatic cancer (LURPC). The subjects comprised 7 patients with LURPC receiving the abovementioned combination therapy at the Hirosaki University Hospital (Hirosaki, Japan) between January and September, 2015. The clinicopathological factors, adverse events and response to treatment were investigated. To determine whether the cases were unresectable, the National Comprehensive Cancer Network guidelines, version 2...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28587436/pathology-comparative-study-on-the-characteristic-ct-signs-in-solid-pseudopapillary-neoplasm-of-the-pancreas
#16
Xi Bo Fu, Zhi Qiang Hao, Jin Yun He, Hai Shang, Qing Cai Fu, Xiang Dong Hua, Ye Fu Liu, Jie Lin
In order to analyze characteristic CT signs in the solid pseudopapillary tumor of the pancreas, a retrospective analysis was conducted on 49 patients with pseudopapillary tumor of the pancreas who where treated in Liaoning Cancer Hospital. All of the patients were confirmed by pathology, CT signs were analyzed and a pathology contrast was conducted. Furthermore, all cases had single lesions; 7 cases in the pancreatic head, 23 cases in the pancreatic body, 15 cases in the pancreatic body-tail and 4 cases in the pancreatic tail...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28584183/nature-and-nurture-what-determines-tumor-metabolic-phenotypes
#17
REVIEW
Jared R Mayers, Matthew G Vander Heiden
Understanding the genetic basis of cancer has led to therapies that target driver mutations and has helped match patients with more personalized drugs. Oncogenic mutations influence tumor metabolism, but other tumor characteristics can also contribute to their metabolic phenotypes. Comparison of isogenic lung and pancreas tumor models suggests that use of some metabolic pathways is defined by lineage rather than by driver mutation. Lung tumors catabolize circulating branched chain amino acids (BCAA) to extract nitrogen for nonessential amino acid and nucleotide synthesis, whereas pancreatic cancer obtains amino acids from catabolism of extracellular protein...
June 5, 2017: Cancer Research
https://www.readbyqxmd.com/read/28581520/klf10-loss-in-the-pancreas-provokes-activation-of-sdf-1-and-induces-distant-metastases-of-pancreatic-ductal-adenocarcinoma-in-the-kras-g12d-p53-flox-flox-model
#18
C-C Weng, J R Hawse, M Subramaniam, V H S Chang, W C Y Yu, W-C Hung, L-T Chen, K-H Cheng
Krüppel-like transcription factor 10 (KLF10), also named as TIEG1, plays essential roles in mediating transforming growth factor beta (TGFβ) signaling and has been shown to function as a tumor suppressor in multiple cancer types. However, its roles in mediating cancer progression in vivo have yet to be fully characterized. Here, we have employed two well-characterized Pdx-1CreLSL-Kras(G12D) and Pdx-1CreLSL-Kras(G12D)p53(L/L) pancreatic cancer models to ablate KLF10 expression and determine the impact of KLF10 deletion on tumor development and progression...
June 5, 2017: Oncogene
https://www.readbyqxmd.com/read/28577721/sgm-101-an-innovative-near-infrared-dye-antibody-conjugate-that-targets-cea-for-fluorescence-guided-surgery
#19
Marian Gutowski, Bérénice Framery, Martin C Boonstra, Véronique Garambois, François Quenet, Karen Dumas, François Scherninski, Françoise Cailler, Alexander L Vahrmeijer, André Pèlegrin
PURPOSE: Fluorescence-guided surgery (FGS) provides surgeons with new opportunities to improve real-time cancer nodule detection and tumor margin visualization. Currently, the most important challenge in this field is the development of fluorescent dyes that specifically target tumors. We developed, characterized and evaluated SGM-101, an innovative antibody-dye conjugate in which the fluorochrome BM104, which has an absorbance band centered at 700 nm, is coupled to a chimeric monoclonal antibody (mAb) against carcinoembryonic antigen (CEA)...
June 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28575105/assessment-of-treatment-response-during-chemoradiation-therapy-for-pancreatic-cancer-based-on-quantitative-radiomic-analysis-of-daily-cts-an-exploratory-study
#20
Xiaojian Chen, Kiyoko Oshima, Diane Schott, Hui Wu, William Hall, Yingqiu Song, Yalan Tao, Dingjie Li, Cheng Zheng, Paul Knechtges, Beth Erickson, X Allen Li
PURPOSE: In an effort for early assessment of treatment response, we investigate radiation induced changes in quantitative CT features of tumor during the delivery of chemoradiation therapy (CRT) for pancreatic cancer. METHODS: Diagnostic-quality CT data acquired daily during routine CT-guided CRT using a CT-on-rails for 20 pancreatic head cancer patients were analyzed. On each daily CT, the pancreatic head, the spinal cord and the aorta were delineated and the histograms of CT number (CTN) in these contours were extracted...
2017: PloS One
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