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https://www.readbyqxmd.com/read/28222404/glycemic-control-in-patients-with-insulinoma
#1
REVIEW
Agata Matej, Hanna Bujwid, Jakub Wroński
Insulinoma is the most common neuroendocrine tumor of the pancreas. Surgical management of insulinomas is considered to be the only curative method. However, effective glycemic control preoperatively and in unresectable insulinomas remains a significant issue. Hyperinsulinism, occurring as a result of the hormone-secreting tumor, leads to life-threatening hypoglycemia episodes which require urgent medical treatment. This article discusses current management of hypoglycemia in insulinoma patients, including: education and lifestyle modifications, pharmacotherapy (diazoxide, somatostatin analogs, mTOR inhibitor - everolimus), cytoreductive methods and continuous glucose monitoring systems...
October 2016: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28222394/pancreatoprotective-effects-of-geniotrigona-thoracica-stingless-bee-honey-in-streptozotocin-nicotinamide-induced-male-diabetic-rats
#2
Muhammad Shakir Abdul Aziz, Nelli Giribabu, Pasupuleti Visweswara Rao, Naguib Salleh
: Stingless bee honey (SLBH) has been claimed to possess multiple health benefits. Its anti-diabetic properties are however unknown. In this study, ability of SLBH from Geniotrigona thoracica stingless bee species in ameliorating pancreatic damage and in maintaining metabolic profiles were investigated in diabetic condition. METHODS: SLBH at 1 and 2g/kg/b.w. was given orally to streptozotocin (STZ)-nicotinamide-induced male diabetic rats for 28days. Metabolic parameters (fasting blood glucose-FBG and lipid profiles-LP and serum insulin) were measured by biochemical assays...
February 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28222129/heteromeric-slick-slack-k-channels-show-graded-sensitivity-to-cell-volume-changes
#3
Maria A Tejada, Nadia Hashem, Kirstine Calloe, Dan A Klaerke
Slick and Slack high-conductance K+ channels are found in the CNS, kidneys, pancreas, among other organs, where they play an important role in cell excitability as well as in ion transport processes. They are both activated by Na+ and Cl- but show a differential regulation by cell volume changes. Slick has been shown to be regulated by cell volume changes, whereas Slack is insensitive. α-subunits of these channels form homomeric as well as heteromeric channels. It is the aim of this work to explore whether the subunit composition of the Slick/Slack heteromeric channel affects the response to osmotic challenges...
2017: PloS One
https://www.readbyqxmd.com/read/28222111/a-meta-analysis-of-the-abscopal-effect-in-preclinical-models-is-the-biologically-effective-dose-a-relevant-physical-trigger
#4
Raffaella Marconi, Silvia Strolin, Gianluca Bossi, Lidia Strigari
BACKGROUND: Preclinical in vivo studies using small animals are considered crucial in translational cancer research and clinical implementation of novel treatments. This is of paramount relevance in radiobiology, especially for any technological developments permitted to deliver high doses in single or oligo-fractionated regimens, such as stereotactic ablative radiotherapy (SABR). In this context, clinical success in cancer treatment needs to be guaranteed, sparing normal tissue and preventing the potential spread of disease or local recurrence...
2017: PloS One
https://www.readbyqxmd.com/read/28222054/ucp2-expression-is-increased-in-pancreas-from-brain-dead-donors-and-involved-in-cytokine-induced-%C3%AE-cells-apoptosis
#5
Leticia A Brondani, Tatiana H Rech, Gabriela Boelter, Andrea C Bauer, Cristiane B Leitão, Décio L Eizirik, Daisy Crispim
BACKGROUND: Systemic inflammation associated with brain death (BD) decreases islet yield and quality, negatively affecting outcomes of human islet transplantation. A recent study from our group showed an increased expression of uncoupling protein-2 (UCP2) in pancreas from rats with BD as compared with controls. UCP2 is located in the mitochondrial inner membrane and regulates production of reactive oxygen species and glucose-stimulated insulin secretion. It has been suggested that UCP2 also plays a role in β cell apoptosis, but these findings remain controversial...
March 2017: Transplantation
https://www.readbyqxmd.com/read/28222044/endocrine-system-on-chip-for-a-diabetes-treatment-model
#6
Dao Thi Thuy Nguyen, Danny van Noort, In-Kyung Jeong, Sungsu Park
The endocrine system is a collection of glands producing hormones which, among others, regulates metabolism, growth and development. One important group of endocrine diseases is diabetes, which is caused by a deficiency or diminished effectiveness of endogenous insulin. By using a microfluidic perfused 3D cell-culture chip, we developed an 'endocrine system on chip' to potentially be able to screen drugs for the treatment of diabetes by measuring insulin release over time. Insulin-secreting β-cells are located in the pancreas, while L-cells, located in the small intestines, stimulate insulin secretion...
February 21, 2017: Biofabrication
https://www.readbyqxmd.com/read/28222024/eff-ects-of-hemin-a-heme-oxygenase-1-inducer-in-l-arginine-induced-acute-pancreatitis-and-associated-lung-injury-in-adult-male-albino-rats
#7
N M Aziz, M Y Kamel, R A Rifaai
OBJECTIVE: The aim of the current study was to assess the protective outcome of hemin, a heme oxygenase-1 (HO-1) inducer on L-arginine-induced acute pancreatitis in rats. Acute pancreatitis (AP) is considered to be a critical inflammatory disorder with a major impact on the patient health. Various theories have been recommended regarding the pathophysiology of AP and associated pulmonary complications. METHODS: Twenty-four adult male albino rats were randomly divided into four groups: control group, acute pancreatitis (AP), hemin pre-treated AP group, and hemin post-treated AP group...
January 1, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/28220958/contrast-enhanced-harmonic-endoscopic-ultrasonography-for-differential-diagnosis-of-submucosal-tumors-of-the-upper-gastrointestinal-tract
#8
Ken Kamata, Mamoru Takenaka, Masayuki Kitano, Shunsuke Omoto, Takeshi Miyata, Kosuke Minaga, Kentaro Yamao, Hajime Imai, Toshiharu Sakurai, Tomohiro Watanabe, Naoshi Nishida, Takaaki Chikugo, Yasutaka Chiba, Haruhiko Imamoto, Takushi Yasuda, Andrea Lisotti, Pietro Fusaroli, Masatoshi Kudo
BACKGROUND AND AIMS: To evaluate contrast-enhanced harmonic endoscopic ultrasonography (CH-EUS) for the differential diagnosis of submucosal tumors (SMT) of the upper gastrointestinal tract. METHODS: Between June 2008 and May 2015, 157 consecutive patients with submucosal lesions of the upper gastrointestinal tract were evaluated by CH-EUS. This was a single-center retrospective analysis of prospectively collected data in a registry. The data from 73 patients who later underwent surgical resection were analyzed in this study...
February 21, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28220294/chromogranin-a-regulates-vesicle-storage-and-mitochondrial-dynamics-to-influence-insulin-secretion
#9
Joshua Wollam, Sumana Mahata, Matthew Riopel, Angelina Hernandez-Carretero, Angshuman Biswas, Gautam K Bandyopadhyay, Nai-Wen Chi, Lee E Eiden, Nitish R Mahapatra, Angelo Corti, Nicholas J G Webster, Sushil K Mahata
Chromogranin A (CgA) is a prohormone and a granulogenic factor that regulates secretory pathways in neuroendocrine tissues. In β-cells of the endocrine pancreas, CgA is a major cargo in insulin secretory vesicles. The impact of CgA deficiency on the formation and exocytosis of insulin vesicles is yet to be investigated. In addition, no literature exists on the impact of CgA on mitochondrial function in β-cells. Using three different antibodies, we demonstrate that CgA is processed to vasostatin- and catestatin-containing fragments in pancreatic islet cells...
February 20, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28220021/the-antiproliferative-role-of-lanreotide-in-controlling-growth-of-neuroendocrine-tumors-a-systematic-review
#10
Michael Michael, Rocio Garcia-Carbonero, Matthias M Weber, Catherine Lombard-Bohas, Christos Toumpanakis, Rodney J Hicks
BACKGROUND: Neuroendocrine tumors (NETs) are a heterogeneous group of tumors, with >50% of cases involving the gastrointestinal system or pancreas. Somatostatin analogs (SSAs) are used for treating NET-related secretory syndromes and, more recently, for their antiproliferative effects. We conducted a systematic review of published literature on the antiproliferative efficacy and safety of the SSA lanreotide Autogel in the management of NETs to gain a fuller understanding of the evidence and identify future areas of research...
February 20, 2017: Oncologist
https://www.readbyqxmd.com/read/28218693/propylene%C3%A2-glycol%C3%A2-alginate%C3%A2-sodium%C3%A2-sulfate%C3%A2-alleviates%C3%A2-cerulein-induced%C3%A2-acute%C3%A2-pancreatitis%C3%A2-by%C3%A2-modulating%C3%A2-the%C3%A2-mek-erk%C3%A2-pathway%C3%A2-in%C3%A2-mice
#11
Hui Zhang, Yueyue Li, Linqiang Li, Hua Liu, Liangkai Hu, Ying Dai, Jianqing Chen, Shuqi Xu, Weimin Chen, Xiaorong Xu, Xuanfu Xu
Previous studies have focused on the effects of propylene glycol alginate sodium sulfate  (PSS)  against  thrombosis,  but  the  anti-inflammatory  potential  is  unknown.  Therefore,  we  specifically focused on the protective effects of PSS on cerulein-induced acute pancreatitis (AP)  using a mouse model, and investigated the mechanism of PSS on autophagy and apoptosis via the  Mitogen-activated  protein  kinase  (MEK)/extracellular  signal-regulated  kinase  (ERK)  pathway...
February 17, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28218622/activation-of-murine-pre-proglucagon-producing-neurons-reduces-food-intake-and-body-weight
#12
Ronald P Gaykema, Brandon A Newmyer, Matteo Ottolini, Vidisha Raje, Daniel M Warthen, Philip S Lambeth, Maria Niccum, Ting Yao, Yiru Huang, Ira G Schulman, Thurl E Harris, Manoj K Patel, Kevin W Williams, Michael M Scott
Peptides derived from pre-proglucagon (GCG peptides) act in both the periphery and the CNS to change food intake, glucose homeostasis, and metabolic rate while playing a role in anxiety behaviors and physiological responses to stress. Although the actions of GCG peptides produced in the gut and pancreas are well described, the role of glutamatergic GGC peptide-secreting hindbrain neurons in regulating metabolic homeostasis has not been investigated. Here, we have shown that chemogenetic stimulation of GCG-producing neurons reduces metabolic rate and food intake in fed and fasted states and suppresses glucose production without an effect on glucose uptake...
February 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28218451/specific-inulin-type-fructan-fibers-protect-against-autoimmune-diabetes-by-modulating-gut-immunity-barrier-function-and-microbiota-homeostasis
#13
Kang Chen, Hao Chen, Marijke M Faas, Bart J de Haan, Jiahong Li, Ping Xiao, Hao Zhang, Julien Diana, Paul de Vos, Jia Sun
SCOPE: Dietary fibers capable of modifying gut barrier and microbiota homeostasis, affect the progression of type 1 diabetes (T1D). Here we aim to compare modulatory effects of inulin-type fructans (ITFs), natural soluble dietary fibers with different degrees of fermentability from chicory root, on T1D development in non-obese diabetic (NOD) mice. METHODS AND RESULTS: Female NOD mice were weaned to long and short chain ITFs [ITF(l) and ITF(s), 5%] supplemented diet up to 24 weeks...
February 20, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28218201/b-mode-and-contrast-enhancement-characteristics-of-small-nonincidental-neuroendocrine-pancreatic-tumors
#14
Barbara Braden, Christian Jenssen, Mirko D'Onofrio, Michael Hocke, Uwe Will, Kathleen Möller, Andre Ignee, Yi Dong, Xin-Wu Cui, Adrian Sãftoiu, Christoph F Dietrich
BACKGROUND AND OBJECTIVES: Imaging of the pancreas for detection of neuroendocrine tumors is indicated as surveillance in multiple endocrine neoplasia type 1 (MEN1) or if typical clinical symptoms combined with hormone production raise the suspicion of a neuroendocrine tumor. Endoscopic ultrasound (EUS) is considered the best imaging modality to detect small pancreatic tumors. However, little is known about how small pancreatic neuroendocrine tumors (pNETs) present on EUS. PATIENTS AND METHODS: In this multicenter study, we retrospectively analyzed the endosonographic characteristics of small pNETs which had been detected due to typical biochemistry and clinical symptoms or during surveillance of MEN 1...
January 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28217609/acute-pancreatitis-due-to-malaria-a-case-report-of-five-patients-and-review-of-literature
#15
Kundavaram Paul Prabhakar Abhilash, Atif Shaikh Iqbal Ahmed, Sowmya Sathyendra, Ooriapadickal Cherian Abraham
Malaria is endemic in large parts of India and can cause multiorgan failure and death. Acute pancreatitis as a complication is rare and is potentially fatal. This case series describes five adult patients between 2005 and 2010 who presented with a short duration febrile illness and diagnosed to have malaria with acute pancreatitis. The mean age of the five patients with acute pancreatitis was 40.4 years and four of them were males. None of them were alcohol consumers and did not have any other risk factor for acute pancreatitis...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28217371/pathogenic-mechanisms-of-pancreatitis
#16
REVIEW
Murli Manohar, Alok Kumar Verma, Sathisha Upparahalli Venkateshaiah, Nathan L Sanders, Anil Mishra
Pancreatitis is inflammation of pancreas and caused by a number of factors including pancreatic duct obstruction, alcoholism, and mutation in the cationic trypsinogen gene. Pancreatitis is represented as acute pancreatitis with acute inflammatory responses and; chronic pancreatitis characterized by marked stroma formation with a high number of infiltrating granulocytes (such as neutrophils, eosinophils), monocytes, macrophages and pancreatic stellate cells (PSCs). These inflammatory cells are known to play a central role in initiating and promoting inflammation including pancreatic fibrosis, i...
February 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28217237/-caught-by-the-eye-of-sound-epigastric-swelling-due-to-xiphisternal-tuberculosis
#17
Shabnam Bhandari Grover, Sumit Arora, Amit Kumar, Hemal Grover, Amit Katyan, Deepthi Mohan Nair
BACKGROUND: Common causes of an epigastric mass include hepatomegaly, pancreatic pseudocyst and epigastric hernia, less common causes being carcinoma of the stomach or pancreas, whereas diseases of the sternum presenting as an epigastric swelling is extremely uncommon. We report a case of tubercular infection of the sternum located in the xiphoid process resulting in its presentation as an epigastric swelling. CASE REPORT: A 30-year-old immunocompetent woman with complaints of an epigastric swelling and undocumented pyrexia for four months was referred for sonographic evaluation with a clinical suspicion of an incompletely treated liver abscess...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28215903/minimally-invasive-distal-pancreatectomy
#18
REVIEW
Bård I Røsok, Thijs de Rooij, Jony van Hilst, Markus K Diener, Peter J Allen, Charles M Vollmer, David A Kooby, Shailesh V Shrikhande
BACKGROUND: The first International conference on Minimally Invasive Pancreas Resection was arranged in conjunction with the annual meeting of the International Hepato-Pancreato-Biliary Association (IHPBA), in Sao Paulo, Brazil on April 19th 2016. The presented evidence and outcomes resulting from the session for minimally invasive distal pancreatectomy (MIDP) is summarized and addressed perioperative outcome, the outcome for cancer and patient selection for the procedure. METHODS: A literature search was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines to compare MIDP and open distal pancreatectomy...
February 16, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28215709/superior-mesenteric-artery-pseudoaneurysm-fistulised-to-the-small-intestine-in-a-pancreas-kidney-transplant-recipient-can-it-be-detected-by-capsule-endoscopy
#19
Hugo I Uchima, Isis K Araujo, Joana Ferrer, Marta Burrell, Alejandro Sotomayor, Ángeles García-Criado, Faust Feu, M J Ricart, Josep Llach, Begoña González-Suárez
No abstract text is available yet for this article.
February 16, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28215532/consequences-of-keratin-phosphorylation-for-cytoskeletal-organization-and-epithelial-functions
#20
M S Sawant, R E Leube
Intermediate filaments are major phosphoproteins. The complex patterns of intermediate filament phosphorylation make up a poorly understood code reflecting cytoskeletal properties and cellular function through an intense crosstalk with multiple signaling pathways. This review focuses on the epithelial keratin intermediate filaments highlighting the tight-knit relationship of keratin phosphorylation and network organization during cell division and apoptosis, and the importance of keratin phosphorylation during epithelial stress responses...
2017: International Review of Cell and Molecular Biology
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