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https://www.readbyqxmd.com/read/28088386/trypsin-induces-biphasic-muscle-contraction-and-relaxation-via-transient-receptor-potential-vanilloid-1-and-neurokinin-receptors-1-2-in-porcine-esophageal-body
#1
Bai Xiaopeng, Yoshimasa Tanaka, Eikichi Ihara, Katsuya Hirano, Kayoko Nakano, Mayumi Hirano, Yoshinao Oda, Kazuhiko Nakamura
Duodenal reflux of fluids containing trypsin relates to refractory gastroesophageal reflux disease (GERD). Esophageal peristalsis and clearance are important factors in GERD pathogenesis. However, the function of trypsin in esophageal body contractility is not fully understood. In this study, effects of trypsin on circular smooth muscle (CSM) and longitudinal smooth muscle (LSM) of the porcine esophageal body were examined. Trypsin elicited a concentration dependent biphasic response, a major contraction and a subsequent relaxation only in CSM...
January 11, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28088371/a-quality-by-design-qbd-study-on-enoxaparin-sodium-loaded-polymeric-microspheres-for-colon-specific-delivery
#2
Dana Hales, Laurian Vlase, Sebastian Alin Porav, Andreea Bodoki, Lucian Barbu-Tudoran, Marcela Achim, Ioan Tomuță
The aim of this study was to apply quality by design (QbD) for pharmaceutical development of enoxaparin sodium microspheres for colon-specific delivery. The Process Parameters (CPPs) and Critical Quality Attributes (CQAs) were identified. A central composite experimental design was used in order to develop the design space of microspheres for colon-specific delivery that have the desired Quality Target Product Profile (QTPP). The CPPs studied were Eudragit® FS-30D/Eudragit® RS-PO ratio, poly(vinyl alcohol) (PVA) concentration and sodium chloride (NaCl) concentration...
January 11, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28087955/water-as-neutral-oral-contrast-agent-in-abdominopelvic-ct-comparing-effectiveness-with-gastrografin-in-the-same-patient
#3
C H Lee, H Z Gu, B A Vellayappan, C H Tan
INTRODUCTION: Positive oral contrast is no longer deemed necessary for abdominopelvic computed tomography (CT) scans. Studies have shown water to be an equally effective oral contrast agent. However, to our knowledge no study has compared effectiveness between gastrografin and water in the same patient, which will provide a more objective evaluation of the two oral contrast agents. We aim to make a head-to-head comparison of water as neutral oral contrast (OC) against gastrografin as positive OC for abdominopelvic CT scans in the same patient...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087712/pdx1-dynamically-regulates-pancreatic-ductal-adenocarcinoma-initiation-and-maintenance
#4
Nilotpal Roy, Kenneth K Takeuchi, Jeanine M Ruggeri, Peter Bailey, David Chang, Joey Li, Laura Leonhardt, Sapna Puri, Megan T Hoffman, Shan Gao, Christopher J Halbrook, Yan Song, Mats Ljungman, Shivani Malik, Christopher V E Wright, David W Dawson, Andrew V Biankin, Matthias Hebrok, Howard C Crawford
Aberrant activation of embryonic signaling pathways is frequent in pancreatic ductal adenocarcinoma (PDA), making developmental regulators therapeutically attractive. Here we demonstrate diverse functions for pancreatic and duodenal homeobox 1 (PDX1), a transcription factor indispensable for pancreas development, in the progression from normal exocrine cells to metastatic PDA. We identify a critical role for PDX1 in maintaining acinar cell identity, thus resisting the formation of pancreatic intraepithelial neoplasia (PanIN)-derived PDA...
December 15, 2016: Genes & Development
https://www.readbyqxmd.com/read/28079795/pancreatic-groove-cancer
#5
Yuan-Hao Ku, Shih-Chin Chen, Bor-Uei Shyr, Rheun-Chuan Lee, Yi-Ming Shyr, Shin-E Wang
Pancreatic groove cancer is very rare and can be indistinguishable from groove pancreatitis. This study is to clarify the characteristics, clinical features, managements, and survival outcomes of this rare tumor.Brief descriptions were made for each case of pancreatic groove cancer encountered at our institute. Individualized data of pancreatic groove cancer cases described in the literature were extracted and added to our database to expand the study sample size for a more complete analysis.A total of 33 patients with pancreatic groove cancer were included for analysis, including 4 cases from our institute...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079237/celiac-disease-prevalence-is-not-increased-in-patients-with-functional-dyspepsia
#6
Juan Lasa, Liliana Spallone, Silvina Gandara, Elsa Chaar, Saul Berman, David Zagalsky
BACKGROUND: - Previous evidence trying to assess the risk of celiac disease among dyspeptic patients has been inconclusive, showing in some cases notorious discrepancies. OBJECTIVE: - To determine the prevalence of celiac disease in patients with dyspepsia compared to healthy controls without dyspepsia. METHODS: - Adult patients under evaluation for dyspepsia were invited to participate. These patients were offered an upper gastrointestinal endoscopy with duodenal biopsies...
January 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28078836/duodenal-xanthelasmata
#7
T A Piyarathna, M A Niriella, A P de Silva, H J de Silva
No abstract text is available yet for this article.
30, 2016: Ceylon Medical Journal
https://www.readbyqxmd.com/read/28078381/celiac-disease-a-clinical-review
#8
Badr Al-Bawardy, D Chamil Codipilly, Alberto Rubio-Tapia, David H Bruining, Stephanie L Hansel, Joseph A Murray
Celiac disease (CD) is an immune-mediated inflammatory enteropathy triggered by gluten exposure in genetically susceptible individuals. It has a high prevalence approaching 1% of the US population. A high index of suspicion is warranted to diagnose CD as frequently patients present with extraintestinal or atypical manifestations. CD is diagnosed by a combination of serum serologies and duodenal biopsies. The majority of patients will respond to a lifelong gluten-free diet which is the cornerstone of therapy...
January 12, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28077962/the-influence-of-duodenally-delivered-shakuyakukanzoto-shao-yao-gan-cao-tang-on-duodenal-peristalsis-during-endoscopic-retrograde-cholangiopancreatography-a-randomised-controlled-trial
#9
Haruka Fujinami, Shinya Kajiura, Jun Nishikawa, Takayuki Ando, Toshiro Sugiyama
BACKGROUND: Anti-cholinergic agents may be used to inhibit duodenal peristalsis, but they may have adverse effects. Shakuyakukanzoto (Shao Yao Gan Cao Tang) has an anti-spasmodic effect and has been used before for oesophagogastroduodenoscopy and colonoscopy. This randomised clinical trial aimed to evaluate the inhibitory effect of Shakuyakukanzoto on duodenal peristalsis, and its usefulness when administered into the duodenum just before endoscopic retrograde cholangiopancreatography (ERCP)...
2017: Chinese Medicine
https://www.readbyqxmd.com/read/28076480/preliminary-analysis-of-interleukin-6-changes-in-pre-and-postoperative-in-diabetic-patients-with-bmi-35-submitted-to-partial-duodenal-switch
#10
Luciano Dias de Oliveira Reis, Paulo Afonso Nunes Nassif, Fernando Issamu Tabushi, Fábio Quirillo Milléo, Giovani Marino Favero, Bruno Luiz Ariede, Cassiana Franco Dias Dos Reis, Bruno Franco Dalabona
Background: Studies related to obesity have shown association with metabolic syndrome. Data showing that obesity is capable to cause low grade chronic inflammation, without its classic signs and symptoms, call attention to researches to study different cells types and the mechanism of the inflammatory process. Aim: To evaluate the variation of glycated hemoglobin (HbA1c) and the pro-inflammatory cytokine interleukin-6 (IL6) in diabetic patients with BMI <35 kg/m2 in the pre and postoperative of partial duodenal switch...
November 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/28072751/duodenal-plexiform-fibromyxoma-as-a-cause-of-obscure-upper-gastrointestinal-bleeding-a-case-report
#11
Demetrios Moris, Evangelia Spanou, Stavros Sougioultzis, Nikolaos Dimitrokallis, Polyxeni Kalisperati, Ioanna Delladetsima, Evangelos Felekouras
RATIONALE: We are reporting the first-to our knowledge-case of duodenal Plexiform Fibromyxoma causing obscure upper gastrointestinal bleeding. PATIENT CONCERNS: Plexiform fibromyxoma triggered recurrent upper gastrointestinal bleeding episodes in a 63-year-old man who remained undiagnosed, despite multiple hospitalizations, extensive diagnostic workups and surgical interventions (including gastrectomies), for almost 17 years. DIAGNOSES-INTERVENTIONS: During hospitalization for the last bleeding episode, an upper gastrointestinal endoscopy revealed an intestinal hemorrhagic nodule...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28070825/prevalence-and-predictors-of-giardia-in-the-united-states
#12
Haley M Zylberberg, Peter H R Green, Kevin O Turner, Robert M Genta, Benjamin Lebwohl
BACKGROUND: Infection with Giardia lamblia is a common cause of diarrheal disease in the developing and industrialized world. AIMS: We aimed to assess the prevalence of giardiasis in the United States (US) among patients with duodenal biopsies, investigating demographic and clinical factors associated with this condition. METHODS: We conducted a cross-sectional study of patients with duodenal biopsies submitted to a national pathology laboratory between January 2, 2008, and December 31, 2015...
January 9, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28070231/roux-en-y-augmented-gastric-advancement-an-alternative-technique-for-concurrent-esophageal-and-pyloric-stenosis-secondary-to-corrosive-intake
#13
Talat Waseem, Asad Azim, Muhammad Hasham Ashraf, Khawaja M Azim
Select group of patients with concurrent esophageal and gastric stricturing secondary to corrosive intake requires colonic or free jejunal transfer. These technically demanding reconstructions are associated with significant complications and have up to 18% ischemic conduit necrosis. Following corrosive intake, up to 30% of such patients have stricturing at the pyloro-duodenal canal area only and rest of the stomach is available for rather less complex and better perfused gastrointestinal reconstruction. Here we describe an alternative technique where we utilize stomach following distal gastric resection along with Roux-en-Y reconstruction instead of colonic or jejunal interposition...
December 27, 2016: World Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28070096/acute-kidney-injury-following-vomiting-and-diarrhea-after-endoscopy-in-a-duodenal-gastrinoma-patient
#14
Miyabi Miura, Kazuya Kitamura, Kuniaki Arai, Kazunori Kawaguchi, Taro Yamashita, Yoshio Sakai, Tatsuya Yamashita, Eishiro Mizukoshi, Masao Honda, Shuichi Kaneko
A 51-year-old woman complaining of weakness in the limbs was diagnosed as having a duodenal gastrinoma on performing a further evaluation. Surgical resection was performed with selective arterial calcium injection for localization. During preoperative hospitalization, she experienced recurrent severe vomiting and diarrhea after endoscopy, leading to acute kidney injury. To our knowledge, this is the first report of gastrinoma with post-endoscopy symptom exacerbation. Although the etiology is unknown, the findings in this case suggest that sufficient fluid replacement, sedation, and high-dose proton pump inhibitor administration should be taken into consideration when performing endoscopy in gastrinoma patients...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28069744/coeliac-disease-screening-is-suboptimal-in-a-tertiary-gastroenterology-setting
#15
Heba Iskandar, Darrell M Gray, Hongha Vu, Faiz Mirza, Mary Katherine Rude, Kara Regan, Adil Abdalla, Srinivas Gaddam, Sami Almaskeen, Michael Mello, Evelyn Marquez, Claire Meyer, Ahmed Bolkhir, Navya Kanuri, Gregory Sayuk, C Prakash Gyawali
BACKGROUND AND AIMS: Coeliac disease (CD) is widely prevalent in North America, but case-finding techniques currently used may not be adequate for patient identification. We aimed to determine the adequacy of CD screening in an academic gastroenterology (GI) practice. METHODS: Consecutive initial visits to a tertiary academic GI practice were surveyed over a 3-month period as a fellow-initiated quality improvement project. All electronic records were reviewed to look for indications for CD screening according to published guidelines...
January 9, 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28068699/line-assisted-complete-closure-of-duodenal-mucosal-defects-after-underwater-endoscopic-mucosal-resection
#16
Yasushi Yamasaki, Yoji Takeuchi, Noriya Uedo, Noboru Hanaoka, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi
No abstract text is available yet for this article.
February 2017: Endoscopy
https://www.readbyqxmd.com/read/28068696/closure-of-duodenal-ulcer-perforation-using-a-novel-endoloop-device-with-a-single-channel-gastroscope-after-failed-laparoscopic-repair
#17
Shu Huang, Sumin Zhu
No abstract text is available yet for this article.
February 2017: Endoscopy
https://www.readbyqxmd.com/read/28068331/modelling-systemic-iron-regulation-during-dietary-iron-overload-and-acute-inflammation-role-of-hepcidin-independent-mechanisms
#18
Mihaela Enculescu, Christoph Metzendorf, Richard Sparla, Maximilian Hahnel, Johannes Bode, Martina U Muckenthaler, Stefan Legewie
Systemic iron levels must be maintained in physiological concentrations to prevent diseases associated with iron deficiency or iron overload. A key role in this process plays ferroportin, the only known mammalian transmembrane iron exporter, which releases iron from duodenal enterocytes, hepatocytes, or iron-recycling macrophages into the blood stream. Ferroportin expression is tighly controlled by transcriptional and post-transcriptional mechanisms in response to hypoxia, iron deficiency, heme iron and inflammatory cues by cell-autonomous and systemic mechanisms...
January 9, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28067841/lectin-digestibility-and-stability-of-elderberry-antioxidants-to-heat-treatment-in-vitro
#19
Pilar Jiménez, Patricia Cabrero, Damian Cordoba-Diaz, Manuel Cordoba-Diaz, Manuel Garrosa, Tomás Girbés
Elderberry contains healthy low molecular weight nutraceuticals and lectins which are sequence-related to the elderberry allergen Sam n1. Some of these lectins are type II ribosome-inactivating proteins. The sensitivity of native lectins present in elderberry fruits and bark to the proteolysis triggered by in vitro simulated gastric and duodenal fluids has been investigated. It was found that these lectins are refractory to proteolysis. Nonetheless, incubation for 5-10 min in a boiling water bath completely sensitized them to the hydrolytic enzymes in vitro...
January 6, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28066937/effect-of-dietary-dry-matter-intake-on-endogenous-nitrogen-flows-in-growing-lambs
#20
W Gao, X Gao, A Chen, F Zhang, D Chen, C Liu
The effect of dietary dry matter intake (DMI) on endogenous nitrogen (N) flows at different part of the digestive tract of growing lambs was determined using a (15) N isotope dilution technique. Three Kazakh male lambs (30 ± 2.75 kg of body weights and 4 months old, average daily gain 200 g/day) were fitted with ruminal, duodenal and ileal cannulae and raised in metabolic cage individually. The experiment was conducted in a 3 × 3 Latin square design with three lambs, three DMI levels (1100, 920 and 736 g/day respectively) and three periods...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
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