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https://www.readbyqxmd.com/read/28821663/agrp-neurons-can-increase-food-intake-during-conditions-of-appetite-suppression-and-inhibit-anorexigenic-parabrachial-neurons
#1
Rachel A Essner, Alison G Smith, Adam A Jamnik, Anna R Ryba, Zoe D Trutner, Matthew E Carter
To maintain energy homeostasis, orexigenic (appetite-inducing) and anorexigenic (appetite suppressing) brain systems functionally interact to regulate food intake. Within the hypothalamus, neurons that express agouti-related protein (AgRP) sense orexigenic factors and orchestrate an increase in food-seeking behavior. In contrast, calcitonin gene-related peptide (CGRP)-expressing neurons in the parabrachial nucleus (PBN) suppress feeding. PBN CGRP neurons become active in response to anorexigenic hormones released following a meal, including amylin, secreted by the pancreas, and cholecystokinin (CCK), secreted by the small intestine...
August 7, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28819951/metformin-a-new-old-drug
#2
Marta Patrycja Wróbel, Bogdan Marek, Dariusz Kajdaniuk, Dominika Rokicka, Aleksandra Szymborska-Kajanek, Krzysztof Strojek
For many years metformin has been the gold standard in the treatment of type 2 diabetes. According to recommendations of the most important diabetes associations, this is the first-choice drug for use as monotherapy in patients with newly diagnosed type 2 diabetes. Metformin is also recommended in combined treatment when monotherapy is no longer effective. It is then combined with a sulfony-lurea, an incretin, flozin, or insulin, irrespective of the number of insulin injections per day. Besides its properties used in the treatment of diabetes, metformin has been treated for some time as a drug of a so-called pleiotropic activity, as each year brings new reports about its favourable effect in different conditions...
2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28819886/robotic-versus-laparoscopic-pancreaticoduodenectomy-a-nsqip-analysis
#3
Ibrahim Nassour, Sam C Wang, Matthew R Porembka, Adam C Yopp, Michael A Choti, Mathew M Augustine, Patricio M Polanco, John C Mansour, Rebecca M Minter
BACKGROUND: An increasing body of literature is supporting the safety of minimally invasive pancreaticoduodenectomy compared to open pancreaticoduodenectomy, but there are limited comparative studies between laparoscopic and robotic pancreaticoduodenectomy. The aim of this study was to compare the rate of postoperative 30-day overall complications between laparoscopic and robotic pancreaticoduodenectomy. METHODS: Patients who underwent laparoscopic and robotic pancreaticoduodenectomy were abstracted from the 2014-2015 pancreas-targeted American College of Surgeons National Surgical Quality Improvement Program...
August 17, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28819632/detection-of-islet-cell-immune-reactivity-with-low-glycemic-index-foods-is-this-a-concern-for-type-1-diabetes
#4
Datis Kharrazian, Martha Herbert, Aristo Vojdani
Dietary management of autoimmune diabetes includes low glycemic foods classified from the glycemic index, but it does not consider the role that immunoreactive foods may play with the immunological etiology of the disease. We measured the reactivity of either monoclonal or polyclonal affinity-purified antibodies to insulin, insulin receptor alpha, insulin receptor beta, zinc transporter 8 (ZnT8), tyrosine phosphatase-based islet antigen 2 (IA2), and glutamic acid decarboxylase (GAD) 65 and 67 against 204 dietary proteins that are commonly consumed...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28819577/the-role-of-laparoscopy-in-the-management-of-a-diagnostic-dilemma-jejunal-ectopic-pancreas-developing-into-jejunojejunal-intussusception
#5
Alessio Giordano, Giovanni Alemanno, Carlo Bergamini, Paolo Prosperi, Alessandro Bruscino, Andrea Valeri
Ectopic pancreas (EP) is a rare congenital anomaly defined as the presence of pancreatic tissue in topographic anomaly. It is usually silent but it may become clinically evident when complicated by acute conditions. The development of laparoscopic surgery has changed the way to manage such conditions, especially in the setting of emergency surgery, thanks to its diagnostic and therapeutic role with excellent results. We decided to perform an emergency diagnostic exploratory laparoscopy in a 29-year-old man with an acute abdomen and nonspecific radiological images for intestinal occlusion...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/28819421/simultaneous-quantification-of-serum-multi-phospholipids-as-potential-biomarkers-for-differentiating-different-pathophysiological-states-of-lung-stomach-intestine-and-pancreas
#6
Yumei Guo, Junling Ren, Xiaoou Li, Xiaofeng Liu, Ning Liu, Yanmin Wang, Zhili Li
Background: Aberrant lipid metabolism is closely associated with cancer. Materials & Methods: Serum levels of sphingomyelins (SM) (34:1), phosphatidylcholine (PC) (34:2), PC(34:1), PC(36:4), PC(36:3), and PC(36:2) in 1449 serum samples (including 599 normal controls, 69 patients with benign lung diseases (BLDs), 61 with benign colorectal diseases, 54 with benign gastric diseases, 67 with benign pancreatic diseases, and 246 with lung cancer (LC), 144 with colorectal cancer, 94 with gastric cancer, 115 with pancreatic cancer) were quantified simultaneously based on their respective calibration equations with correlation coefficient of >0...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819358/surgical-treatment-for-chronic-pancreatitis-past-present-and-future
#7
REVIEW
Stephanie Plagemann, Maria Welte, Jakob R Izbicki, Kai Bachmann
The pancreas was one of the last explored organs in the human body. The first surgical experiences were made before fully understanding the function of the gland. Surgical procedures remained less successful until the discovery of insulin, blood groups, and finally the possibility of blood donation. Throughout the centuries, the surgical approach went from radical resections to minimal resections or only drainage of the gland in comparison to an adequate resection combined with drainage procedures. Today, the well-known and standardized procedures are considered as safe due to the high experience of operating surgeons, the centering of pancreatic surgery in specialized centers, and optimized perioperative treatment...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28818111/estimates-of-cancer-incidence-and-mortality-in-china-2013
#8
Rongshou Zheng, Hongmei Zeng, Siwei Zhang, Wanqing Chen
INTRODUCTION: Population-based cancer registration data are collected by the National Central Cancer Registry in China every year. Cancer incident cases and cancer deaths in 2013 were analyzed. METHODS: Through the procedure of quality control, reported data from 255 registries were accepted to establish the national database for cancer estimates. Incidences and mortalities were calculated with stratification by area (urban/rural), sex (male/female), age group (0, 1-4, 5-9, 10-14 … 80-84, and 85-year-old and above), and cancer site...
August 17, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28818110/microbial-community-composition-along-the-digestive-tract-in-forage-and-grain-fed-bison
#9
Gaddy T Bergmann
BACKGROUND: Diversity and composition of microbial communities was compared across the 13 major sections of the digestive tract (esophagus, reticulum, rumen, omasum, abomasum, duodenum, jejunum, ileum, cecum, ascending colon, transverse colon, descending colon, and rectum) in two captive populations of American bison (Bison bison), one of which was finished on forage, the other on grain. RESULTS: Microbial diversity fell to its lowest levels in the small intestine, with Bacteroidetes reaching their lowest relative abundance in that region, while Firmicutes and Euryarchaeota attained their highest relative abundances there...
August 17, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28817822/predictors-of-postoperative-non-chylous-massive-discharge-after-pancreaticoduodenectomy-for-pancreatic-ductal-adenocarcinoma
#10
Kyoji Ito, Yoshikuni Kawaguchi, Yoshihiro Sakamoto, Junichi Arita, Kiyoshi Hasegawa, Norihiro Kokudo
BACKGROUND: Pancreaticoduodenectomy (PD) is performed for pancreatic ductal adenocarcinoma (PDA) located at the pancreas head/body. Non-chylous massive discharge after PD is frequently encountered and can cause a vicious cycle of complications associated with severe dehydration and protein loss. METHODS: From August 2008 to June 2015, 102 patients who underwent PD for PDA were retrospectively reviewed. High non-chylous discharge was defined as postoperative daily serous discharge exceeding 10 mL/kg...
August 18, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28816351/recent-advances-in-genomic-profiling-of-adenosquamous-carcinoma-of-the-pancreas
#11
Rebecca Marcus, Anirban Maitra, Jason Roszik
Adenosquamous carcinoma of the pancreas (ASCP) is a mixed tumor type which contains squamous cell carcinoma and also ductal adenocarcinoma components. Due to the rarity of this malignancy, only very limited genomic profiling has been performed. A recent paper by Fang et al. published in The Journal of Pathology contributed to our knowledge of genomic alterations by performing whole genome and exome sequencing of 17 ASCP tumors. They found major genomic similarities to pancreatic ductal adenocarcinoma; however, the p53 pathway was altered in a greater proportion of cases, while a high frequency of 3p loss was a distinct copy number alteration pattern observed in ASCP...
August 17, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28815688/bmp2-controls-iron-homeostasis-in-mice-independent-of-bmp6
#12
Susanna Canali, Chia-Yu Wang, Kimberly B Zumbrennen-Bullough, Abraham Bayer, Jodie L Babitt
Hepcidin is a key iron regulatory hormone that controls expression of the iron exporter ferroportin to increase the iron supply when needed to support erythropoiesis and other essential functions, but to prevent the toxicity of iron excess. The bone morphogenetic protein (BMP)-SMAD signaling pathway, through the ligand BMP6 and the co-receptor hemojuvelin, is a central regulator of hepcidin transcription in the liver in response to iron. Here, we show that dietary iron loading has a residual ability to induce Smad signaling and hepcidin expression in Bmp6-/- mice, effects that are blocked by a neutralizing BMP2/4 antibody...
August 17, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28815403/overexpression-of-topoisomerase-2-alpha-confers-a-poor-prognosis-in-pancreatic-adenocarcinoma-identified-by-co-expression-analysis
#13
Zhou Zhou, Shi Liu, Meng Zhang, Rui Zhou, Jing Liu, Ying Chang, Qiu Zhao
BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) is the fourth most common cause of human cancer-related death in the developed countries. Its progression and prognosis are influenced by a complex network of gene interactions. AIMS: The purpose of this study is to explore key genes associated with pancreatic ductal adenocarcinoma and to predict the possible mechanisms. METHODS: A weighted gene co-expression network was constructed to identify gene modules associated with the progression of PDAC...
August 16, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28815220/severity-and-outcomes-of-acute-alcoholic-pancreatitis-in-cannabis-users
#14
Hemant Goyal, Kelsey Guerreso, Betsy Smith, Kaitlin Harper, Sheetal Patel, Akash Patel, Puja Parikh
BACKGROUND: Cannabis is the most commonly and widely used illicit drug in the world and is also the most commonly used drug of abuse in alcohol drinkers. Experimental studies have shown conflicting results of the effects of cannabis on the severity of acute pancreatitis (AP). The purpose of this study is to ascertain the clinical effects of simultaneous alcohol and cannabis use on severity at presentation and outcomes of acute alcoholic pancreatitis (AAP). METHODS: A retrospective review was conducted on the patients discharged with principle or secondary diagnosis of AP using ICD-9 & ICD-10 codes during the time period from January 2006 to December 2015 at a large community-based hospital in Central Georgia...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28815078/surgical-anatomy-of-the-omental-bursa-and-the-stomach-based-on-a-minimally-invasive-approach-different-approaches-and-technical-steps-to-resection-and-lymphadenectomy
#15
Hylke J F Brenkman, Nicole I van der Wielen, Jelle P Ruurda, Maarten S van Leeuwen, Joris J G Scheepers, Donald L van der Peet, Richard van Hillegersberg, Ronald L A W Bleys, Miguel A Cuesta
BACKGROUND: It is imperative for surgeons to have a proper knowledge of the omental bursa in order to perform an adequate dissection during minimally invasive surgery (MIS) of the upper gastrointestinal (GI) tract. This study aimed to describe (1) the various approaches which can be used to enter the bursa and to perform a complete lymphadenectomy, (2) the boundaries and anatomical landmarks of the omental bursa as seen during MIS, and (3) whether a bursectomy should be performed for oncological reasons in upper GI cancer...
July 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28814309/performance-biochemical-and-haematological-responses-and-relative-organ-weights-of-laying-hens-fed-diets-supplemented-with-prebiotic-probiotic-and-synbiotic
#16
Shirley Gee Hoon Tang, Chin Chin Sieo, Kalavathy Ramasamy, Wan Zuhainis Saad, Hee Kum Wong, Yin Wan Ho
BACKGROUND: The increasing trend of ban on the use of antibiotic growth promoters (AGPs) across the globe in the poultry industry has led to a growing need for alternatives to AGPs. Prebiotic, probiotic and their combination as a synbiotic have been considered as potential alternatives. This study aimed to investigate the effects of a prebiotic (isomaltooligosaccharide, IMO), a probiotic (PrimaLac®), and their combination (synbiotic) on hen performance, biochemical and haematological responses, and relative organ weights from 20 to 52 weeks of age...
August 17, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28814218/diagnosis-and-management-of-pancreatic-exocrine-insufficiency
#17
Mehrdad Nikfarjam, Jeremy S Wilson, Ross C Smith
In 2015, the Australasian Pancreatic Club (APC) published the Australasian guidelines for the management of pancreatic exocrine insufficiency (http://pancreas.org.au/2016/01/pancreatic-exocrine-insufficiency-guidelines). Pancreatic exocrine insufficiency (PEI) occurs when normal digestion cannot be sustained due to insufficient pancreatic digestive enzyme activity. This may be related to a breakdown, at any point, in the pancreatic digestive chain: pancreatic stimulation; synthesis, release or transportation of pancreatic enzymes; or synchronisation of secretions to mix with ingested food...
August 21, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28813661/tissue-resident-macrophages-in-pancreatic-ductal-adenocarcinoma-originate-from-embryonic-hematopoiesis-and-promote-tumor-progression
#18
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
Tumor-associated macrophages (TAMs) are essential components of the cancer microenvironment and play critical roles in the regulation of tumor progression. Optimal therapeutic intervention requires in-depth understanding of the sources that sustain macrophages in malignant tissues. In this study, we investigated the ontogeny of TAMs in murine pancreatic ductal adenocarcinoma (PDAC) models. We identified both inflammatory monocytes and tissue-resident macrophages as sources of TAMs. Unexpectedly, significant portions of pancreas-resident macrophages originated from embryonic development and expanded through in situ proliferation during tumor progression...
August 15, 2017: Immunity
https://www.readbyqxmd.com/read/28813430/reprogramming-human-gallbladder-cells-into-insulin-producing-%C3%AE-like-cells
#19
Feorillo Galivo, Eric Benedetti, Yuhan Wang, Carl Pelz, Jonathan Schug, Klaus H Kaestner, Markus Grompe
The gallbladder and cystic duct (GBCs) are parts of the extrahepatic biliary tree and share a common developmental origin with the ventral pancreas. Here, we report on the very first genetic reprogramming of patient-derived human GBCs to β-like cells for potential autologous cell replacement therapy for type 1 diabetes. We developed a robust method for large-scale expansion of human GBCs ex vivo. GBCs were reprogrammed into insulin-producing pancreatic β-like cells by a combined adenoviral-mediated expression of hallmark pancreatic endocrine transcription factors PDX1, MAFA, NEUROG3, and PAX6 and differentiation culture in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28812980/application-of-an-in-vitro-digestion-model-for-210po-bioaccessibility-assessment-in-seafood
#20
Carla Roselli, Donatella Desideri, Laura Feduzi, Lucia Ugolini, Maria Assunta Meli
This study aims to investigate the bioaccessibility of 210Po in seafood and the impact of food preparation on this radionuclide. Polonium bioaccessibility is the fraction of 210Po mobilized from food matrices into digestive extractants when applying an in vitro digestion model. The degree of bioaccessibility of 210Po in food has important implications for estimating ingestion doses from this radionuclide. The simulation of gastrointestinal digestion was divided into three stages through the use of synthetic saliva, gastric and bile-pancreas solutions...
August 16, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
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