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Pancreas cancer

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https://www.readbyqxmd.com/read/28634199/characterising-cis-regulatory-variation-in-the-transcriptome-of-histologically-normal-and-tumour-derived-pancreatic-tissues
#1
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
#2
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/28628728/characterizing-the-detection-threshold-for-optical-imaging-in-surgical-oncology
#3
Andrew C Prince, Aditi Jani, Melissa Korb, Kiranya E Tipirneni, Benjamin B Kasten, Eben L Rosenthal, Jason M Warram
BACKGROUND AND OBJECTIVES: Optical imaging to guide cancer resections is rapidly transitioning into the operating room. However, the sensitivity of this technique to detect subclinical disease is yet characterized. The purpose of this study was to determine the minimum range of cancer cells that can be detected by antibody-based fluorescence imaging. METHODS: 2LMP (breast), COLO-205 (colon), MiaPaca-2 (pancreas), and SCC-1 (head and neck) cells incubated in vitro with cetuximab-IRDye800CW (dose range 8...
June 19, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28627154/-mortality-study-in-a-cohort-of-workers-employed-in-the-hot-working-processing-of-plastics-and-rubber
#4
Alberto Gerosa, Corrado Scarnato, Bruno Marchesini, Evi Ietri, Venere Leda Mara Pavone
OBJECTIVES: to study mortality rates among workers in companies manufacturing thermoplastic and rubber articles (excluding tyres). DESIGN: cohort study. SETTING AND PARTICIPANTS: the cohort includes 4,543 workers employed up to 2000 in 131 companies in the Province of Bologna (Emilia-Romagna Region, Northern Italy) exposed to emissions from hot processing of plastics (3,937) and rubber (606). MAIN OUTCOME MEASURES: general- and cause-specific Standardized Mortality Rates (SMR), with 95% confidence intervals; entire reference population resides in the Emilia-Romagna Region...
January 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28625083/spinal-cord-ischemia-after-endoscopic-ultrasound-guided-celiac-plexus-neurolysis-case-report-and-review-of-the-literature
#5
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/28621689/age-adjusted-charlson-comorbidity-index-score-as-predictor-of-survival-of-patients-with-digestive-system-cancer-who-have-undergone-surgical-resection
#6
Yaohua Tian, Zhong Jian, Beibei Xu, Hui Liu
Comorbidities have considerable effects on survival outcomes. The primary objective of this retrospective study was to examine the association between age-adjusted Charlson comorbidity index (ACCI) score and postoperative in-hospital mortality in patients with digestive system cancer who have undergone surgical resection of their cancers. Using electronic hospitalization summary reports, we identified 315,464 patients who had undergone surgery for digestive system cancer in top-rank (Grade 3A) hospitals in China between 2013 and 2015...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28620900/new-treatment-options-and-management-considerations-in-borderline-resectable-pancreatic-cancer
#7
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
#8
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/28610400/shammah-smokeless-tobacco-and-public-health
#9
Abdulsallam Bakdash
Shammah is a preparation of smokeless tobacco (ST) that is frequently used in the Arabian Peninsula, especially in Saudi Arabia. A mixture of powdered tobacco, lime, ash, black pepper, oils and flavorings, shammah in is placed in the buccal cavity or lower labial vestibule of the mouth. The user (or dipper) spits out insoluble debris. ST is linked to a number of harmful effects such as dental disease, oral cancer, oesophagus cancer, and pancreas cancer. It also causes adverse reproductive effects including stillbirth, premature birth and low birth weight...
May 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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/28600732/time-to-initiation-of-adjuvant-chemotherapy-in-pancreas-cancer-a-multi-institutional-experience
#12
Brent T Xia, Syed A Ahmad, Ali H Al Humaidi, Dennis J Hanseman, Cecilia G Ethun, Shishir K Maithel, David A Kooby, Ahmed Salem, Clifford S Cho, Sharon M Weber, Susan J Stocker, Mark S Talamonti, David J Bentrem, Daniel E Abbott
BACKGROUND: Despite randomized trials addressing adjuvant therapy (AT) for pancreas cancer, the ideal time to initiate therapy remains undefined. Retrospective analyses of the ESPAC-3 trial demonstrated that time to initiation of AT did not impact overall survival (OS). Given the absence of confirmatory data outside of a clinical trial, we sought to determine if AT timing in routine clinical practice is associated with OS differences. METHODS: Perioperative data of pancreatectomies for ductal adenocarcinoma from five institutions (2005-2015) were assessed...
June 9, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28598889/survival-of-solid-cancer-patients-in-france-1989-2013-a-population-based-study
#13
Anne Cowppli-Bony, Zoé Uhry, Laurent Remontet, Nicolas Voirin, Anne-Valérie Guizard, Brigitte Trétarre, Anne-Marie Bouvier, Marc Colonna, Nadine Bossard, Anne-Sophie Woronoff, Pascale Grosclaude
This study provides updates of net survival (NS) estimates at 5, 10, and 15 years as well as survival trends for 35 solid cancers in France using data from 19 population-based cancer registries. The study considered all cases of solid cancer diagnosed between 1989 and 2010 in patients older than 15 years of age who were actively followed up until 30 June 2013. NS was estimated using the Pohar-Perme method. The age-standardized NS used the international cancer survival standard weights. The 5-year age-standardized NSs ranged from 4% (pleural mesothelioma) to 93% (prostate) in men and from 10% (pancreas) to 97% (thyroid) in women...
June 8, 2017: European Journal of Cancer Prevention
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
#14
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/28593036/disseminated-and-late-metastatic-disease-from-nasal-pit-leiomyosarcoma-after-radical-surgical-resection-case-report-of-a-singular-presentation-of-a-rare-disease
#15
Enrico Pinotti, Marta Sandini, Simone Famularo, Marta Jaconi, Fabrizio Romano, Luca Nespoli, Luca Gianotti
BACKGROUND: Leiomyosarcoma of the head and neck is a rare cancer with high local aggressiveness. Radical surgery and adjuvant treatment offer the best chance for cure, nonetheless 5-years recurrence rate remains high. Despite international guidelines are available for soft tissue sarcomas, no recommendations are specifically endorsed for leiomyosarcoma of the head and neck, due to the rarity of its presentation and consequently scarcity of data on long-term outcome. CASE PRESENTATION: A 50-year old woman, operated 10 years before for leiomyosarcoma of the nasal pit and with negative 5-years follow-up, was admitted to our ward for impairment of the hepatic function...
2017: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/28591747/identification-and-causes-of-metabonomic-difference-between-orthotopic-and-subcutaneous-xenograft-of-pancreatic-cancer
#16
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
#17
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/28590274/survival-from-cancer-in-the-north-region-of-portugal-results-from-the-first-decade-of-the-millennium
#18
Luís Antunes, Lúcio L Santos, Maria José Bento
The aim of this study was to evaluate net survival from cancer diagnosed during the period 2001/2010 in the north region of Portugal to identify the tumours that need actions to improve the outcomes. Data were retrieved from the North Region Cancer Registry of Portugal database. The top 20 cancer sites in adults were considered: oesophagus, stomach, colon, rectum, pancreas, liver, larynx, lung, skin melanoma, breast, cervix, corpus uteri, ovary, prostate, kidney, bladder, brain and central nervous system, thyroid, non-Hodgkin lymphoma and multiple myeloma...
June 5, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28588798/combination-therapy-with-gemcitabine-and-nab-paclitaxel-for-locally-advanced-unresectable-pancreatic-cancer
#19
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/28588795/cancer-survival-in-qidong-between-1972-and-2011-a-population-based-analysis
#20
Jian-Guo Chen, Jian Zhu, Yong-Hui Zhang, Yi-Xin Zhang, Deng-Fu Yao, Yong-Sheng Chen, Jian-Hua Lu, Lu-Lu Ding, Hai-Zhen Chen, Chao-Yong Zhu, Li-Ping Yang, Yuan-Rong Zhu, Fu-Lin Qiang
Population-based cancer survival is an improved index for evaluating the overall efficiency of cancer health services in a given region. The current study analysed the observed survival and relative survival of leading cancer sites from a population-based cancer registry between 1972 and 2011 in Qidong, China. A total of 92,780 incident cases with cancer were registered and followed-up for survival status. The main sites of the cancer types, based on the rank order of incidence, were the liver, stomach, lung, colon and rectum, oesophagus, breast, pancreas, leukaemia, brain and central nervous system (B and CNS), bladder, blood [non-Hodgkin's lymphoma (NHL)] and cervix...
June 2017: Molecular and Clinical Oncology
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