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Pancreatitis

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https://www.readbyqxmd.com/read/28931010/response-to-folfirinox-by-gender-in-patients-with-metastatic-pancreatic-cancer-results-from-the-prodige-4-accord-11-randomized-trial
#1
Aurélien Lambert, Marta Jarlier, Sophie Gourgou Bourgade, Thierry Conroy
BACKGROUND: Hohla et al. suggested that female gender could positively predict response to FOLFIRINOX in patients with advanced pancreatic cancer. In this study, we explored the response to the FOLFIRINOX regimen by gender within the trial PRODIGE4/ACCORD 11. PATIENTS AND METHODS: Data were described by gender, both in FOLFIRINOX group and in the intention-to-treat population of the trial. The relative effect of gender (females in comparison to males) on overall survival (OS) and progression-free survival was estimated by using a Cox proportional hazard model and was presented with the Hazard Ratio and their 95% confidence interval...
2017: PloS One
https://www.readbyqxmd.com/read/28930993/confocal-imaging-of-neuropeptide-y-phluorin-a-technique-to-visualize-insulin-granule-exocytosis-in-intact-murine-and-human-islets
#2
Madina Makhmutova, Tao Liang, Herbert Gaisano, Alejandro Caicedo, Joana Almaça
Insulin secretion plays a central role in glucose homeostasis under normal physiological conditions as well as in disease. Current approaches to study insulin granule exocytosis either use electrophysiology or microscopy coupled to the expression of fluorescent reporters. However most of these techniques have been optimized for clonal cell lines or require dissociating pancreatic islets. In contrast, the method presented here allows for real time visualization of insulin granule exocytosis in intact pancreatic islets...
September 13, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930953/proposed-clinical-pathway-for-nonoperative-management-of-high-grade-pediatric-pancreatic-injuries-based-on-a-multicenter-analysis-a-pediatric-trauma-society-collaborative
#3
Bindi J Naik-Mathuria, Eric H Rosenfeld, Ankush Gosain, Randall Burd, Richard A Falcone, Rajan Thakkar, Barbara Gaines, David Mooney, Mauricio Escobar, Mubeen Jafri, Anthony Stallion, Denise B Klinkner, Robert Russell, Brendan Campbell, Rita V Burke, Jeffrey Upperman, David Juang, Shawn St Peter, Stephon J Fenton, Marianne Beaudin, Hale Wills, Adam Vogel, Stephanie Polites, Adam Pattyn, Christine Leeper, Laura V Veras, Ilan Maizlin, Shefali Thaker, Alexis Smith, Megan Waddell, Joseph Drews, James Gilmore, Lindsey Armstrong, Alexis Sandler, Suzanne Moody, Brandon Behrens, Laurence Carmant
BACKGROUND: Guidelines for nonoperative management (NOM) of high-grade pancreatic injuries in children have not been established, and wide practice variability exists. The purpose of this study was to evaluate common clinical strategies across multiple pediatric trauma centers to develop a consensus-based standard clinical pathway. METHODS: A multicenter, retrospective review was conducted of children with high-grade (American Association of Surgeons for Trauma grade III-V) pancreatic injuries treated with NOM between 2010 and 2015...
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28930868/next-generation-sequencing-revealed-tp53-mutations-to-be-malignant-marker-for-intraductal-papillary-mucinous-neoplasms-that-could-be-detected-using-pancreatic-juice
#4
Shinichi Takano, Mitsuharu Fukasawa, Makoto Kadokura, Hiroko Shindo, Ei Takahashi, Sumio Hirose, Shinya Maekawa, Kunio Mochizuki, Hiromichi Kawaida, Jun Itakura, Ryohei Katoh, Hideki Fujii, Tadashi Sato, Nobuyuki Enomoto
OBJECTIVES: The aims of this study were to identify the genetic mutations associated with malignant intraductal papillary mucinous neoplasms (IPMNs) and evaluate the possibility of detecting mutations in pure pancreatic juice by next-generation sequencing. METHODS: Resected tissues were collected from 50 patients with IPMN, and pure pancreatic juice samples were collected from 19 patients who had a resection. The extracted DNA was amplified by multiplex polymerase chain reaction targeting 52 cancer-related genes, including KRAS, GNAS, RNF43, and TP53; the mutations were then detected by next-generation sequencing and then analyzed for correlations with the clinicopathological characteristics...
September 19, 2017: Pancreas
https://www.readbyqxmd.com/read/28930867/pancreatic-neuroendocrine-tumors-computed-tomography-enhancement-but-not-histological-grade-correlates-with-tumor-aggression
#5
Motoyo Yano, Sunil Misra, Danielle H Carpenter, Amber Salter, Charles F Hildebolt
OBJECTIVES: The aims of this study were to assess computed tomography enhancement of pancreatic neuroendocrine tumors (NETs), determine correlation with histological vascularity and fibrosis, and identify a biomarker for tumor aggression. METHODS: The arterial and venous enhancement of NET was calculated on computed tomography for 56 patients. Tumor size and vascularity/fibrosis were assessed. Tumor aggression was grouped by World Health Organization and Hochwald grade and the presence of metastases...
September 19, 2017: Pancreas
https://www.readbyqxmd.com/read/28930866/p2x7r-blockade-prevents-nlrp3-inflammasome-activation-and-pancreatic-fibrosis-in-a-mouse-model-of-chronic-pancreatitis
#6
Gui-Xian Zhang, Man-Xue Wang, Wei Nie, Da-Wei Liu, Yi Zhang, Hong-Bin Liu
OBJECTIVES: The aim of this study was to investigate the role of P2X7R (purinergic 2X7 receptor) and NLRP3 (NACHT, LRR, and PYD domains-containing protein 3) inflammasome activation in the process of pancreatic fibrosis in a mouse model of chronic pancreatitis (CP). METHODS: Chronic pancreatitis was induced by repeated intraperitoneal injections of 50 μg/kg cerulein for 6 weeks in mice. P2X7R antagonist oxidized ATP (OxATP) or brilliant blue G (BBG) was administered after the last cerulein injection for 2 weeks...
September 19, 2017: Pancreas
https://www.readbyqxmd.com/read/28930865/presence-of-human-herpesvirus-6b-in-the-pancreas-of-subjects-with-and-without-type-1-diabetes
#7
Maja Ericsson, Oskar Skog
OBJECTIVES: The aims of this study were to investigate the presence of human herpesvirus 6 (HHV6) A and B in human pancreata and to search for signs of active infection in this organ of subjects with and without type 1 diabetes (T1D). METHODS: Pancreata from brain-dead organ donors with and without T1D were examined for the presence of HHV6 genomic sequences by polymerase chain reaction (PCR), transcripts by reverse transcriptase-PCR, and protein by immunohistochemistry...
September 19, 2017: Pancreas
https://www.readbyqxmd.com/read/28930825/acinar-cell-carcinoma-of-the-pancreas-presenting-as-diffuse-pancreatic-enlargement-two-case-reports-and-literature-review
#8
Yaping Luo, Guilan Hu, Yanru Ma, Ning Guo, Fang Li
RATIONALE: Pancreatic acinar cell carcinoma (ACC) is a rare malignant tumor of exocrine pancreas. It is typically a well-marginated large solid mass arising in a certain aspect of the pancreas. Diffuse involvement of ACC in the pancreas is very rare, and may simulate pancreatitis in radiological findings. We report 2 cases of ACC presenting as diffuse enlargement of the pancreas due to tumor involvement without formation of a distinct mass. PATIENT CONCERNS: The patients consisted of a 41-year-old man with weight loss and a 77-year-old man who was asymptomatic...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28930675/dynamic-rearrangement-of-cell-states-detected-by-systematic-screening-of-sequential-anticancer-treatments
#9
Simon Koplev, James Longden, Jesper Ferkinghoff-Borg, Mathias Blicher Bjerregård, Thomas R Cox, Janine T Erler, Jesper T Pedersen, Franziska Voellmy, Morten O A Sommer, Rune Linding
Signaling networks are nonlinear and complex, involving a large ensemble of dynamic interaction states that fluctuate in space and time. However, therapeutic strategies, such as combination chemotherapy, rarely consider the timing of drug perturbations. If we are to advance drug discovery for complex diseases, it will be essential to develop methods capable of identifying dynamic cellular responses to clinically relevant perturbations. Here, we present a Bayesian dose-response framework and the screening of an oncological drug matrix, comprising 10,000 drug combinations in melanoma and pancreatic cancer cell lines, from which we predict sequentially effective drug combinations...
September 19, 2017: Cell Reports
https://www.readbyqxmd.com/read/28930665/tissue-resident-macrophages-in-pancreatic-ductal-adenocarcinoma-originate-from-embryonic-hematopoiesis-and-promote-tumor-progression
#10
Yu Zhu, John M Herndon, Dorothy K Sojka, Ki-Wook Kim, Brett L Knolhoff, Chong Zuo, Darren R Cullinan, Jingqin Luo, Audrey R Bearden, Kory J Lavine, Wayne M Yokoyama, William G Hawkins, Ryan C Fields, Gwendalyn J Randolph, David G DeNardo
No abstract text is available yet for this article.
September 19, 2017: Immunity
https://www.readbyqxmd.com/read/28930609/age-related-pathological-changes-in-the-pancreas
#11
Yoko Matsuda
Pancreas has a complex histology and is characterized by a combination of endocrine and exocrine cells. Pancreas undergoes various pathological changes with aging characterized by increased fatty replacement, fibrosis, lymphoplasmacytic infiltration, amyloid deposition, a decreased weight as well as development of intra-epithelial neoplastic changes. These age-related alterations lead to diabetes mellitus and can predispose the individual to pancreatic ductal adenocarcinoma. In this review, we summarize age-related morphological and pathological changes of aging in pancreas...
January 1, 2018: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/28930565/role-of-fibroblast-growth-factor-receptor-2-splicing-in-normal-and-cancer-cells
#12
Toshiyuki Ishiwata
Types 1-4 of fibroblast growth factor receptors (FGFR) are all expressed in various cancers. Because of its prominent role in carcinogenesis and cancer progression, FGFR-2, is being considered as a novel target in cancer treatment. Owing to the alternative splicing of its extracellular domain, FGFR-2 exists in two variants: IIIb and IIIc. FGFR-2 IIIb is mainly expressed in normal epithelial cells, as well as in oral mucosal, esophageal, gastric, colorectal, pancreatic, pulmonary, breast, endometrial, cervical, and prostate cancers...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930257/physicochemical-properties-antioxidant-and-cytotoxic-activities-of-crude-extracts-and-fractions-from-phyllanthus-amarus
#13
Van Tang Nguyen, Jennette A Sakoff, Christopher J Scarlett
Background:Phyllanthus amarus (P. amarus) has been used as a medicinal plant for the prevention and treatment of chronic ailments such as diabetes, hepatitis, and cancer. Methods: The physicochemical properties, antioxidant and cytotoxic activities of crude extracts and fractions from P. amarus were determined using spectrophotometric method. Results: The P. amarus methanol (PAM) extract had lower levels of residual moisture (7.40%) and water activity (0.24) and higher contents of saponins, phenolics, flavonoids, and proanthocyanidins (1657...
June 18, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28929814/what-s-new-in-the-diagnosis-of-pancreatic-cancer-a-patent-review-2011-present
#14
Houria Boulaiz, María C Ramos, Carmen Griñán-Lisón, Maria E García-Rubiño, Francisca Vicente, Juan Antonio Marchal
Pancreatic cancer (PC) is the fourth leading cause of cancer-related death in the US with a 5-year survival rate of about 5%. Most patients have advanced metastatic disease mainly due to the lack of an effective early detection, and an extremely poor prognosis. Advancing in the fight against PC requires developing novel observable biomarkers at preclinical stages for early detection. Areas covered: This manuscript is an overview of different PC diagnostic modalities and the latest innovations made to enhance early PC detection through the patents published from 2011 to 2017...
September 20, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28929796/a-coordinated-control-strategy-for-insulin-and-glucagon-delivery-in-type-1-diabetes
#15
Pau Herrero, Jorge Bondia, Nick Oliver, Pantelis Georgiou
Type 1 diabetes is an autoimmune condition characterised by a pancreatic insulin secretion deficit, resulting in high blood glucose concentrations, which can lead to micro- and macrovascular complications. Type 1 diabetes also leads to impaired glucagon production by the pancreatic α-cells, which acts as a counter-regulatory hormone to insulin. A closed-loop system for automatic insulin and glucagon delivery, also referred to as an artificial pancreas, has the potential to reduce the self-management burden of type 1 diabetes and reduce the risk of hypo- and hyperglycemia...
September 20, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28929779/pancreatic-neuroendocrine-tumors-prognostic-factors
#16
Javier A Cienfuegos, Fernando Rotellar, Miguel Ruiz-Canela
We thank Modesto Varas et al. for their opportune comments with regard to the oncologic outcomes of our series of patients undergoing surgery for pancreatic neuroendocrine tumors (PNET). We agree with Varas et al. in relation to the increase in non-functional tumors (73%) and the incidental form of presentation (44%). These figures are in line with those presented in most series.
September 18, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28929775/hypersensitivity-to-azathioprine-in-a-patient-with-crohn-s-disease-a-case-report
#17
Mafalda Sousa, Luísa Proença, João Carvalho
Azathioprine (AZA) is commonly used in inflammatory bowel disease and many other medical diseases. The most common adverse events of AZA include gastrointestinal effects, hepatotoxicity, myelotoxicity and pancreatitis.
September 18, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28929773/a-patient-with-castleman-s-disease-mimicking-acute-pancreatitis
#18
Jie Wu, Liang Lv, Chunlian Wang
Castleman's disease is a rare event that gastroenterologists should be familiar with. We present a case of Castleman's disease presenting as acute pancreatitis. The diagnosis was established by excisional biopsy of a superficial lymph node and the patient had a favorable prognosis with chemotherapy. This case is reminiscent of acute pancreatitis with multiple lymphadenopathy and should raise suspicion for Castleman's disease.
September 18, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28929492/potent-antitumor-effect-of-tumor-microenvironment-targeted-oncolytic-adenovirus-against-desmoplastic-pancreatic-cancer
#19
Yan Li, JinWoo Hong, Joung-Eun Oh, A-Rum Yoon, Chae-Ok Yun
Pancreatic cancer is a leading cause of cancer-related death. Desmoplastic pancreatic tumors exhibit excessive extracellular matrix (ECM) and are thus highly resistant to anticancer therapeutics, since the ECM restricts drug penetration and dispersion. Here, we designed and generated two hypoxia-responsive and cancer-specific hybrid promoters, H(mT)E and H(E)mT. Transgene expression driven by each hybrid promoter was markedly higher under hypoxic conditions than normoxic conditions. Moreover, H(E)mT-driven transgene expression was highly cancer-specific and was superior to that of H(mT)E-driven expression...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28929489/association-between-long-term-low-intensity-cigarette-smoking-and-incidence-of-smoking-related-cancer-in-the-national-institutes-of-health-aarp-cohort
#20
Maki Inoue-Choi, Patricia Hartge, Linda M Liao, Neil Caporaso, Neal D Freedman
An increasing proportion of US smokers smoke ≤10 cigarettes per day (CPD) or do not smoke every day, yet the health effects of low-intensity smoking are poorly understood. We identified lifelong smokers of <1 or 1-10 CPD and evaluated risk of incident cancer among 238,525 cancer-free adults, aged 59-82, in the NIH-AARP Diet and Health Study. A questionnaire administered in 2004-2005 assessed CPD during nine age-periods (<15 to ≥70). We estimated hazard ratios (HR) and 95% confidence intervals (CI) using multivariable-adjusted Cox proportional hazards regression with age as the underlying time metric...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
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