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Pancreatic diseases

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https://www.readbyqxmd.com/read/29238463/protective-effect-of-metformin-on-toxicity-of-butyric-acid-and-arsenic-in-isolated-liver-mitochondria-and-langerhans-islets-in-male-mice-an-in-vitro-study
#1
Akram Ahangarpour, Leila Zeidooni, Mohsen Rezaei, Soheila Alboghobeish, Azin Samimi, Ali Akbar Oroojan
Objectives: Arsenic, a toxic metal in drinking water and butyric acid (BA) is a free fatty acid found in many foods. These two can induce oxidative stress in some tissues. The present study investigated the protective effect of metformin against toxicity induced by Arsenic (As) and BA in isolated mice liver mitochondria and pancreatic islets. Materials and Methods: In this study, liver mitochondria were isolated by adopting different centrifugation methods and pancreatic islets isolated by a collagenase method...
December 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29238222/the-burden-of-selected-cancers-in-the-us-health-behaviors-and-health-care-resource-utilization
#2
Laura Iadeluca, Jack Mardekian, Pratibha Chander, Markay Hopps, Geoffrey T Makinson
Objective: To characterize the disease burden among survivors of those cancers having the highest incidence in the US. Methods: Adult (≥18 years) survivors of the 11 most frequently diagnosed cancers were identified from publically available data sources, including the Surveillance Epidemiology and End Results 9 1973-2012, National Health Interview Survey 2013, and the Medical Expenditure Panel Survey 2011. Chi-square tests and one-way analyses of variance were utilized to assess differences between cancer survivors and non-cancer controls in behavioral characteristics, symptoms and functions, preventative screenings, and health care costs...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/29237802/phase-1-dose-escalation-study-of-anti-ctla-4-antibody-ipilimumab-and-lenalidomide-in-patients-with-advanced-cancers
#3
Divya Sakamuri, Isabella C Glitza, Sonia L Betancourt Cuellar, Vivek Subbiah, Siqing Fu, Apostolia M Tsimberidou, Jennifer J Wheler, David S Hong, Aung Naing, Gerald S Falchook, Michelle A Fanale, Maria E Cabanillas, Filip Janku
Preclinical data suggest that combining a check point inhibition with immunomodulatory derivative can increase anticancer response. We designed a dose escalation study using a 3+3 design to determine the safety, maximum tolerated dose (MTD) or recommended phase 2 dose (R2PD) and dose limiting toxicities (DLT) of the anti-CTLA-4 antibody ipilimumab (1.5-3mg/kg intravenously every 28 days x 4) and lenalidomide (10-25mg orally daily for 21 of 28 days until disease progression or unacceptable toxicity) in advanced cancers...
December 13, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29237160/hydrogen-treatment-protects-mice-against-chronic-pancreatitis-by-restoring-regulatory-t-cells-loss
#4
Luguang Chen, Chao Ma, Yun Bian, Jing Li, Tiegong Wang, Li Su, Jianping Lu
BACKGROUND/AIMS: Chronic pancreatitis is an inflammatory disease of the pancreas characterized by progressive tissue destruction and fibrogenesis. The development of chronic pancreatitis is associated with immune cell dysregulation. Currently, the specific and effective treatment of chronic pancreatitis remains absent. METHODS: By using an L-arginine induced chronic pancreatitis mouse model, we tested the therapeutic potential of hydrogen, a strong hydroxyl radicals scavenger, in the chronic pancreatitis model...
December 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29236750/identification-of-gad65-aa-114-122-reactive-memory-like-nk-cells-in-newly-diagnosed-type-1-diabetic-patients-by-hla-class-i-pentamers
#5
Valentina Perri, Elena Gianchecchi, Loredana Cifaldi, Marsha Pellegrino, Ezio Giorda, Marco Andreani, Marco Cappa, Alessandra Fierabracci
Type 1 diabetes is an autoimmune disease, in which pancreatic β cells are destroyed by autoreactive T cells in genetically predisposed individuals. Serum beta cell autoantibody specificities have represented the mainstay for classifying diabetes as autoimmune-mediated and for stratifying risk in first-degree relatives. In recent years, approaches were attempted to solve the difficult issue of detecting rare antigen-specific autoreactive T cells and their significance to etiopathogenesis such as the use of the MHC multimer technology...
2017: PloS One
https://www.readbyqxmd.com/read/29235538/preoperative-neutrophil-to-lymphocyte-ratio-and-tumor-related-factors-to-predict-lymph-node-metastasis-in-nonfunctioning-pancreatic-neuroendocrine-tumors
#6
Bo Zhou, Junfang Deng, Lifeng Chen, Shusen Zheng
The lymph node (LN) status is very important for the survival in pancreatic neuroendocrine tumors (PNETs). Therefore, the investigation of factors related to LN metastases has a great clinical significance. The aim of this study was to evaluate the predictive value of the preoperative neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR) and possible clinical parameters on the LN metastases in nonfunctional PNETs (NF-PNETs). A retrospective review of 101 NF-PNET patients following curative resection and lymphadenectomy was conducted...
December 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29235373/pro-inflammatory-cytokine-induced-lipolysis-after-an-episode-of-acute-pancreatitis
#7
Sayali A Pendharkar, Ruma G Singh, Maxim S Petrov
CONTEXT: Pro-inflammatory cytokine-stimulated lipolysis is one of the mechanisms underlying the pathogenesis of type 2 diabetes. However, whether it plays a role in the pathogenesis of post-pancreatitis diabetes mellitus (PPDM) remains unknown. OBJECTIVE: To investigate the associations between markers of lipid metabolism and pro-inflammatory cytokines in individuals after acute pancreatitis (AP) in general, and in individuals with abnormal glucose metabolism (AGM) following AP in particular...
December 13, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29235141/pseudomesotheliomatous-carcinoma-of-the-pleura-an-autopsy-case-of-metastasis-from-a-g-csf-producing-anaplastic-carcinoma-of-the-pancreas
#8
Yui Hattori, Kazuhiro Sentani, Takuya Hattori, Naohide Oue, Wataru Yasui
Pseudomesotheliomatous carcinoma is a malignant tumor that extends along the pleura mimicking malignant mesothelioma. An 81-year-old male patient presented to our hospital with epigastralgia, and abdominal computed tomography (CT) showed a 36-mm tumor in the pancreatic tail. The laboratory data revealed a high leukocyte count (>44 000/μL). Chest CT showed left pleural thickening with pleural effusion. The cancer showed a poor response to chemotherapy, and the patient died of respiratory failure at 5 months after the onset of disease...
December 13, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29235054/exploring-the-relationship-between-nonalcoholic-fatty-liver-disease-and-pancreatic-cancer-by-computed-tomographic-survey
#9
Chao-Feng Chang, Yu-Chen Tseng, Hsin-Hung Huang, Yu-Lueng Shih, Tsai-Yuan Hsieh, Hsuan-Hwai Lin
Pancreatic cancer is difficult to diagnose in an early stage, and has the highest mortality of all types of cancer. Obesity, high body mass index, and increased abdominal girth are established risk factors. Some studies have postulated that there is a correlation between organ steatosis and pancreatic cancer. This study aims to explore whether nonalcoholic fatty liver disease (NAFLD) is a risk factor and a prognostic factor for pancreatic cancer. The study enrolled 557 patients (143 with and 414 without pancreatic cancer) who were diagnosed between January 2009 and December 2013...
December 12, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/29235006/intrinsic-contact-between-t-and-n-classifications-in-resected-well-moderately-differentiated-locoregional-pancreatic-neuroendocrine-neoplasms
#10
Jin-Zhi Xu, Wen-Quan Wang, Shi-Rong Zhang, Hua-Xiang Xu, Chun-Tao Wu, Zi-Hao Qi, He-Li Gao, Quan-Xing Ni, Liang Liu, Xian-Jun Yu
BACKGROUND: The role of N classification is controversial in several prognostication systems proposed for pancreatic neuroendocrine neoplasms (pNENs). The widely accepted modified European Neuroendocrine Tumor Society (mENETS) system suggests this contradiction may be related to T classification. METHODS: Data were collected retrospectively from 981 patients in the Surveillance, Epidemiology, and End Results (SEER) database (1973-2012; cohort 1) and 140 patients from the Pancreatic Cancer Institute of Fudan University (2006-2016; cohort 2)...
December 12, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29233636/amylin-in-alzheimer-s-disease-pathological-peptide-or-potential-treatment
#11
REVIEW
Elizabeth G Mietlicki-Baase
Alzheimer's disease (AD) is a neurodegenerative disease for which we currently lack effective treatments or a cure. The pancreatic peptide hormone amylin has recently garnered interest as a potential pharmacological target for the treatment of AD. A number of studies have demonstrated that amylin and amylin analogs like the FDA-approved diabetes drug pramlintide can reduce amyloid burden in the brain and improve cognitive symptoms of AD. However, other data suggest that amylin may have pathological effects in AD due to its propensity to misfold and aggregate under certain conditions...
December 9, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29233500/tumor-budding-is-a-prognostic-factor-linked-to-epithelial-mesenchymal-transition-in-pancreatic-ductal-adenocarcinoma-study-report-and-literature-review
#12
Ezzeddine Chouat, Alia Zehani, Ines Chelly, Manel Njima, Houcine Maghrebi, Mohammed Amine Bani, Leila Njim, Abdelfatteh Zakhama, Slim Haouet, Nidhameddine Kchir
BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) has a devastatingly poor prognosis. Surgical resection is undertaken in only 20% of patients. Most of well-known prognostic factors reflect tumor stage more than its biology. So it is important to identify new biological indicators related to survival in order to develop new therapies. OBJECTIVE: To determine the relation between tumor budding and Epithelial Mesenchymal Transition (EMT) and to evaluate their impact on survival for patients after resection of PDAC...
November 21, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29233499/the-role-of-the-carboxyl-ester-lipase-cel-gene-in-pancreatic-disease
#13
REVIEW
Bente B Johansson, Karianne Fjeld, Khadija El Jellas, Anny Gravdal, Monica Dalva, Erling Tjora, Helge Ræder, Rohit N Kulkarni, Stefan Johansson, Pål R Njølstad, Anders Molven
The enzyme carboxyl ester lipase (CEL), also known as bile salt-dependent or -stimulated lipase (BSDL, BSSL), hydrolyzes dietary fat, cholesteryl esters and fat-soluble vitamins in the duodenum. CEL is mainly expressed in pancreatic acinar cells and lactating mammary glands. The human CEL gene resides on chromosome 9q34.3 and contains a variable number of tandem repeats (VNTR) region that encodes a mucin-like protein tail. Although the number of normal repeats does not appear to significantly influence the risk for pancreatic disease, single-base pair deletions in the first VNTR repeat cause a syndrome of endocrine and exocrine dysfunction denoted MODY8...
December 5, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29232661/downregulation-of-long-noncoding-rna-gas5-affects-cell-cycle-and-insulin-secretion-in-mouse-pancreatic-%C3%AE-cells
#14
Feiyan Jin, Ning Wang, Yanan Zhu, Lianghui You, Lintao Wang, Wei De, Wei Tang
BACKGROUND: Evidence shows that long non-coding RNAs (lncRNAs) are involved in individual development, cell differentiation, cell cycle processes and other important life processes and are closely related to major human diseases, including diabetes. Recent studies have reported that lncRNAs are involved in β cell functions and that lncRNA Gas5 levels decreased in T2DM patients' serum. The purpose of this study was to clarify the role of lncRNA Gas5 in mouse β cell functions in vitro and in vivo...
October 23, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29232660/vanishing-pancreatic-cysts-during-follow-up-another-step-towards-de-emphasizing-cyst-size-as-a-major-clinical-predictor-of-malignancy
#15
Giovanni Marchegiani, Stefano Andrianello, Giampaolo Perri, Deborah Bonamini, Riccardo De Robertis, Giuseppe Malleo, Claudio Bassi, Roberto Salvia
INTRODUCTION: In the management of pancreatic cystic neoplasms (PCN), size plays a crucial role as the expression of disease progression. While many evidences regarding the natural history of growing pancreatic cysts exist, almost no data are available regarding cysts with a reduction in size. METHODS: Radiological and clinical data from patients of the dedicated pancreatic cysts outpatient clinic of the Department of General and Pancreatic Surgery, University of Verona Hospital were retrospectively reviewed...
December 12, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/29232340/ablative-therapies-for-locally-advanced-pancreatic-cancer
#16
Rupen Shah, Katherine T Ostapoff, Boris Kuvshinoff, Steven N Hochwald
The vast majority of patients who present with pancreatic adenocarcinoma have locally advanced or metastatic disease at the time of presentation without possibility of cure. Although in recent years there have been some new promising chemotherapy regimens that improve overall survival by a few months, the prognosis remains dismal. There is, however, a subset of patients who experience durable stable disease or partial responses after initial courses of chemotherapy with locally advanced disease. In these select patients, there remains interest in local ablative therapy with or without resection as a means for local control, palliation of symptoms, and possible improved survival...
January 2018: Pancreas
https://www.readbyqxmd.com/read/29230485/-importance-of-functional-diagnostics-in-gastroenterology
#17
REVIEW
M Hollenbach, A Hoffmeister, J Rosendahl, J Mössner
In this review article important and frequently used investigation methods for gastrointestinal functional diagnostics are presented. Some other rarely used special investigations are also explained. The hydrogen breath test is simple to carry out, ubiquitously available and enables the detection of lactose, fructose and sorbitol malabsorption. Furthermore, by the application of glucose, the test can be carried out when there is a suspicion of abnormal intestinal bacterial colonization and using lactulose for measuring small intestinal transit time...
December 11, 2017: Der Internist
https://www.readbyqxmd.com/read/29230270/activation-of-nlrp3-inflammasome-by-advanced-glycation-end-products-promotes-pancreatic-islet-damage
#18
Xiang Kong, Ai-Ling Lu, Xin-Ming Yao, Qiang Hua, Xiao-Yong Li, Li Qin, Hong-Mei Zhang, Guang-Xun Meng, Qing Su
Accumulation of advanced glycation end products (AGEs) contributes to ageing and age-related diseases, especially type 2 diabetes. The NLRP3 inflammasome, as a vital component of the innate immune system, is implicated in the pathogenesis of type 2 diabetes. However, the role of the NLRP3 inflammasome in AGE-induced pancreatic islet damage remains largely unclear. Results showed that administration of AGEs (120 mg/kg for 6 weeks) in C57BL/6J mice induced an abnormal response to glucose (as measured by glucose tolerance and insulin release), pancreatic β-cell ultrastructural lesion, and cell death...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29229780/cathepsin-d-regulates-cathepsin-b-activation-and-disease-severity-predominantly-in-inflammatory-cells-during-experimental-pancreatitis
#19
Ali A Aghdassi, Daniel S John, Matthias Sendler, F Ulrich Weiss, Thomas Reinheckel, Julia Mayerle, Markus M Lerch
Acute pancreatitis is a complex disorder involving both premature intracellular protease activation and inflammatory cell invasion. An initiating event is the intracellular activation of trypsinogen by cathepsin B (CTSB), which can be induced directly via G-protein-coupled receptors on acinar cells or through inflammatory cells. Here, we studied CTSB regulation by another lysosomal hydrolase, cathepsin D (CTSD), using mice with a complete (CTSD-/-) or pancreas-specific conditional CTSD knockout (KO) (CTSDf/f/p48Cre/+)...
December 11, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29229497/advanced-neuroendocrine-tumours-of-the-small-intestine-and-pancreas-clinical-developments-controversies-and-future-strategies
#20
REVIEW
Christoph J Auernhammer, Christine Spitzweg, Martin K Angele, Stefan Boeck, Ashley Grossman, Svenja Nölting, Harun Ilhan, Thomas Knösel, Julia Mayerle, Martin Reincke, Peter Bartenstein
In this Review, we discuss clinical developments and controversies in the treatment of neuroendocrine tumours (NETs) that are relevant for clinicians and clinical researchers. We describe advances in genetics, blood-based biomarkers, functional imaging, and systemic therapy of advanced NETs and discuss results of recent phase 3 studies, systemic treatment of advanced disease with peptide receptor radionuclide therapy, biotherapy, chemotherapy, and molecularly targeted therapy, and the potential role of immunotherapy in the treatment of NETs...
December 8, 2017: Lancet Diabetes & Endocrinology
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