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Omeprazole AND Gastrin

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https://www.readbyqxmd.com/read/28859856/gastrin-induces-nuclear-export-and-proteasome-degradation-of-menin-in-enteric-glial-cells
#1
Sinju Sundaresan, Cameron A Meininger, Anthony J Kang, Amanda L Photenhauer, Michael M Hayes, Nirakar Sahoo, Jolanta Grembecka, Tomasz Cierpicki, Lin Ding, Thomas J Giordano, Tobias Else, David J Madrigal, Malcolm J Low, Fiona Campbell, Ann-Marie Baker, Haoxing Xu, Nicholas A Wright, Juanita L Merchant
BACKGROUND & AIMS: The multiple endocrine neoplasia, type 1 (MEN1) locus encodes the nuclear protein and tumor suppressor menin. MEN1 mutations frequently cause neuroendocrine tumors (NETs) such as gastrinomas, characterized by their predominant duodenal location and local metastasis at time of diagnosis. Diffuse gastrin cell hyperplasia precedes the appearance of MEN1 gastrinomas, which develop within submucosal Brunner's glands. We investigated how menin regulates expression of the gastrin gene and induces generation of submucosal gastrin-expressing cell hyperplasia...
August 28, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28425145/prevalence-of-gastroesophageal-reflux-in-cats-during-anesthesia-and-effect-of-omeprazole-on-gastric-ph
#2
R S Garcia, P C Belafsky, A Della Maggiore, J M Osborn, B H Pypendop, T Pierce, V J Walker, A Fulton, S L Marks
BACKGROUND: Gastroesophageal reflux (GER) is poorly characterized in anesthetized cats, but can cause aspiration pneumonia, esophagitis, and esophageal stricture formation. OBJECTIVE: To determine whether pre-anesthetic orally administered omeprazole increases gastric and esophageal pH and increases serum gastrin concentrations in anesthetized cats, and to determine the prevalence of GER using combined multichannel impedance and pH monitoring. ANIMALS: Twenty-seven healthy cats undergoing elective dental procedures...
May 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28397104/omeprazole-absorption-and-fasting-gastrinemia-after-roux-en-y-gastric-bypass
#3
Renata V A Collares-Pelizaro, José S Santos, Carla B Nonino, Cristiane M Gaitani, Wilson Salgado
PURPOSE: Roux-en-Y gastric bypass (RYGB) is one of the bariatric surgeries most frequently performed worldwide. Since this operation may predispose to the formation of peptic ulcer of the gastrojejunal anastomosis, the use of proton pump inhibitors (PPI) is recommended during the first postoperative year. However, so far, there is no detailed knowledge about the absorption of this medication during the immediate postoperative period and consequently about its effectiveness in blocking acid secretion...
April 10, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28264722/efficacy-and-safety-of-manual-acupuncture-manipulations-with-different-frequencies-on-epigastric-pain-syndrome-eps-in-functional-dyspepsia-fd-patients-study-protocol-for-a-randomized-controlled-trial
#4
Shou-Hai Hong, Sha-Sha Ding, Fei Wu, Ying Bi, Fu Xu, Yi-Jia Wan, Li-Hua Xuan
BACKGROUND: Manual acupuncture (MA) manipulations are one of the key factors influencing acupuncture effects in traditional Chinese medicine theory. Different MA manipulations contain different stimulating parameters, thus generating different acupuncture responses or effects. Evidence has demonstrated that acupuncture is effective for functional dyspepsia (FD). However, the effects of different stimulating parameters of MA manipulations on FD remain unclear. METHODS/DESIGN: This study is a randomized controlled trial with a four-arm, parallel-group structure...
March 6, 2017: Trials
https://www.readbyqxmd.com/read/28058079/zollinger-ellison-syndrome-a-rare-case-of-chronic-diarrhea
#5
Ali Aamar, Kamraan Madhani, Hafeezulhassan Virk, Zeeshan Butt
Zollinger-Ellison syndrome (ZES) is caused by hypersecretion of gastrin from duodenal or pancreatic gastrinomas. We report a case of a 57-year-old female who presented with chronic diarrhea. CT abdomen showed multiple liver masses. Liver biopsy suggested metastatic well-differentiated neuroendocrine tumor. Serum gastrin level was markedly elevated. MRI abdomen, somatostatin receptor scintigraphy and endoscopic ultrasound failed to reveal primary site of the tumor. Upper gastrointestinal endoscopy showed hyperplastic gastric folds and multiple duodenal ulcers consistent with ZES...
December 2016: Gastroenterology Research
https://www.readbyqxmd.com/read/27779491/the-effect-of-omeprazole-usage-on-the-viability-of-random-pattern-skin-flaps-in-rats
#6
Hilmi Şen, Melike Oruç, Veysel Murat Işik, Murat Sadiç, Hamide Sayar, Rana Çitil, Meliha Korkmaz, Uğur Koçer
BACKGROUND: Necrosis of random pattern flaps caused by inadequate blood flow, especially in the distal part of the flap is one of the biggest challenges in reconstructive surgery. Various agents have been used to prevent flap ischemia. In this study, we used omeprazole, which is a potent inhibitor of gastric acidity to increase flap viability. METHODS: In this study, 35 Wistar-Albino type rats which were divided into 5 equal groups were used. Random-pattern dorsal skin flaps were raised in all groups at seventh day of the study...
June 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27062346/a-prospective-placebo-controlled-pilot-evaluation-of-the-effect-of-omeprazole-on-serum-calcium-magnesium-cobalamin-gastrin-concentrations-and-bone-in-cats
#7
E Gould, C Clements, A Reed, L Giori, J M Steiner, J A Lidbury, J S Suchodolski, M Brand, T Moyers, L Emery, M K Tolbert
BACKGROUND: Chronic proton pump inhibitor administration has been associated with electrolyte and cobalamin deficiency, disrupted bone homeostasis, hypergastrinemia, and rebound acid hypersecretion in humans. It is unknown if this occurs in cats. OBJECTIVES: Prolonged oral omeprazole results in altered bone mineral density or content, serum calcium, magnesium, cobalamin, and gastrin concentrations in healthy cats. ANIMALS: Six healthy adult DSH cats...
May 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/26984262/gastrin-attenuates-ischemia-reperfusion-induced-intestinal-injury-in-rats
#8
Zhihao Liu, Yongli Luo, Yunjiu Cheng, Dezhi Zou, Aihong Zeng, Chunhua Yang, Jia Xu, Hong Zhan
Intestinal ischemia-reperfusion (I/R) injury is a devastating complication when the blood supply is reflowed in ischemic organs. Gastrin has critical function in regulating acid secretion, proliferation, and differentiation in the gastric mucosa. We aimed to determine whether gastrin has an effect on intestinal I/R damage. Intestinal I/R injury was induced by 60-min occlusion of the superior mesenteric artery followed by 60-min reperfusion, and the rats were induced to be hypergastrinemic by pretreated with omeprazole or directly injected with gastrin...
April 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/26860771/deletion-of-men1-and-somatostatin-induces-hypergastrinemia-and-gastric-carcinoids
#9
Sinju Sundaresan, Anthony J Kang, Michael M Hayes, Eun-Young K Choi, Juanita L Merchant
BACKGROUND: Gastric carcinoids are slow growing neuroendocrine tumours arising from enterochromaffin-like (ECL) cells in the corpus of stomach. Although most of these tumours arise in the setting of gastric atrophy and hypergastrinemia, it is not understood what genetic background predisposes development of these ECL derived tumours. Moreover, diffuse microcarcinoids in the mucosa can lead to a field effect and limit successful endoscopic removal. OBJECTIVE: To define the genetic background that creates a permissive environment for gastric carcinoids using transgenic mouse lines...
June 2017: Gut
https://www.readbyqxmd.com/read/26535461/treatment-of-gastrin-secreting-tumor-with-sustained-release-octreotide-acetate-in-a-dog
#10
Sangho Kim, Kenji Hosoya, Satoshi Takagi, Masahiro Okumura
An 8 yr old, intact male Shiba Inu was presented with loose stool, polydipsia, hematuria, vomiting, and anorexia. On abdominal ultrasonography, numerous nodules were detected in the hepatic parenchyma distributed diffusely throughout all lobes. Excisional biopsy of one of the nodules was performed via exploratory laparotomy. A histopathological diagnosis of the lesion was carcinoid, and the tumor cells stained positive to chromogranin A and gastrin. The serum gastrin level of the dog was 45,613 pg/mL (reference range: 160-284)...
November 2015: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/25993258/flavonoid-glycosides-of-polygonum-capitatum-protect-against-inflammation-associated-with-helicobacter-pylori-infection
#11
Shu Zhang, Fei Mo, Zhaoxun Luo, Jian Huang, Chaoqin Sun, Ran Zhang
The antibacterial and anti-inflammatory activities, and protective effects of extracts (flavonoid glycosides) of Polygonum capitatum were investigated to detect the evidence for the utilization of the herb in the clinical therapy of gastritis caused by H. pylori. A mouse gastritis model was established using H. pylori. According to treating methods, model mice were random assigned into a model group (MG group), a triple antibiotics group (TG group, clarithromycin, omeprazole and amoxicillin), low/middle/high concentrations of flavonoid glycosides groups (LF, MF and HF groups) and low/middle/high concentrations of flavonoid glycosides and amoxicillin groups (LFA, MFA and HFA groups)...
2015: PloS One
https://www.readbyqxmd.com/read/25858519/long-term-safety-of-proton-pump-inhibitor-therapy-assessed-under-controlled-randomised-clinical-trial-conditions-data-from-the-sopran-and-lotus-studies
#12
COMPARATIVE STUDY
S E Attwood, C Ell, J P Galmiche, R Fiocca, J G Hatlebakk, B Hasselgren, G Långström, M Jahreskog, S Eklund, T Lind, L Lundell
BACKGROUND: Control of chronic gastro-oesophageal reflux disease may be achieved either by anti-reflux surgery (ARS) or by long-term medical therapy with proton pump inhibitors (PPIs). The primary efficacy results of the SOPRAN study, comparing long-term omeprazole use with open ARS, and the LOTUS study, comparing long-term esomeprazole use with laparoscopic ARS, have been reported. A secondary objective of these studies was to address the long-term safety of these respective therapeutic strategies and thereby provide a valid scientific platform for assessing long-term PPI safety...
June 2015: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/25857639/the-physiological-background-behind-and-course-of-development-of-the-first-proton-pump-inhibitor
#13
REVIEW
Lars Lundell
UNLABELLED: Gastric acid secretion and its related diseases and their treatments have generated important contributions to gastroenterology and its development as an autonomous medical specialty. The discovery of histamine receptors and the subsequent H2-receptor antagonists (1972) changed the practice of gastroenterology forever. Gastric acid was effectively inhibited and ulcers could be healed to an extent which had not previously been seen. An additional milestone along the same avenue was offered by the identification of hydrogen potassium adenosine triphosphatase (H(+)K(+)-ATPase) as the proton pump of the parietal cell...
June 2015: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/25857514/upper-gastrointestinal-physiology-and-diseases
#14
REVIEW
Helge L Waldum, Per M Kleveland, Reidar Fossmark
Nordic research on physiology and pathophysiology of the upper gastrointestinal tract has flourished during the last 50 years. Swedish surgeons and physiologists were in the frontline of research on the regulation of gastric acid secretion. This research finally led to the development of omeprazole, the first proton pump inhibitor. When Swedish physiologists developed methods allowing the assessment of acid secretion in isolated oxyntic glands and isolated parietal cells, the understanding of mechanisms by which gastric acid secretion is regulated took a great step forward...
June 2015: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/25566676/experimental-correction-of-metabolic-changes-in-mouth-at-long-term-hypoacidity-by-multiprobiotic-symbiter-acidophilic
#15
A M Manko, K S Neporada, A A Sukhomlyn, J Ghasemzadeh, T V Beregova, D S Yankovskiy
It is known, that long decrease in gastric secretion leads to the development of hypergastrinemia, dysbiosis and to pathological changes in digestive organs. Very important there is a search of ways to correction of these undesirable consequences. Long-term usage of omeprazole leads to metabolic disorders in periodontium tissues and salivary glands, such as development of NO-ergic system disbalance and activation of free-radical oxidation, that are positively corrected by multiprobiotic of new generation "Symbiter acidophilic"...
2014: Fiziolohichnyĭ Zhurnal
https://www.readbyqxmd.com/read/25274557/from-hypomagnesaemia-to-zollinger-ellison-syndrome-an-adverse-effect-of-a-proton-pump-inhibitor
#16
Allon Eyal, Alain Sueissa, Eyal Braun, Mohammad Ebrahim Naffaa
We describe the case of a 53-year-old man who presented with abdominal pain, diarrhoea and hypomagnesaemia. The hypomagnesaemia proved to be due to gastrointestinal loss as urinary fractional excretion was very low, suggesting non-renal loss. Common causes were discarded and the hypomagnesaemia was attributed to chronic use of the proton pump inhibitor, omeprazole. As such, omeprazole was discontinued and an H2 blocker was given. Several days later the patient presented with upper gastrointestinal bleeding...
2014: BMJ Case Reports
https://www.readbyqxmd.com/read/25258407/systems-biology-analysis-of-omeprazole-therapy-in-cirrhosis-demonstrates-significant-shifts-in-gut-microbiota-composition-and-function
#17
Jasmohan S Bajaj, I Jane Cox, Naga S Betrapally, Douglas M Heuman, Mitchell L Schubert, Maiyuran Ratneswaran, Phillip B Hylemon, Melanie B White, Kalyani Daita, Nicole A Noble, Masoumeh Sikaroodi, Roger Williams, Mary M E Crossey, Simon D Taylor-Robinson, Patrick M Gillevet
Proton pump inhibitors (PPI) have been associated with infectious complications in cirrhosis, but their impact on distal gut microbiota composition and function is unclear. We aimed to evaluate changes in stool microbiota composition and function in patients with cirrhosis and healthy controls after omeprazole therapy. Both 15 compensated cirrhotic patients and 15 age-matched controls underwent serum gastrin measurement, stool microbiota profiling with multitagged pyrosequencing, and urinary metabolic profiling with NMR spectroscopy to assess microbial cometabolites before/after a 14-day course of 40 mg/day omeprazole under constant diet conditions...
November 15, 2014: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/25172799/alkaloids-from-mahonia-bealei-posses-anti-h%C3%A2-%C2%BA-k%C3%A2-%C2%BA-atpase-and-anti-gastrin-effects-on-pyloric-ligation-induced-gastric-ulcer-in-rats
#18
Su-Li Zhang, Hui Li, Xin He, Run-Qi Zhang, Yu-He Sun, Chun-Feng Zhang, Chong-Zhi Wang, Chun-Su Yuan
The purpose of this study was to investigate the underlying mechanism(s) of the total alkaloids (TA) from Mahonia bealei in treating pyloric ligation-induced gastric ulcers in rats. Animals were sacrificed after 19 h of the ligation. Gastric acid, peptic activities, mucin levels, H(+)/K(+)-ATPase activities and the gastrin level were analyzed. To improve the accuracy of the observations, IPP 6.0 software was introduced to measure the area of ulcer. TA (18.56 mg/kg/day, i.g.) showed an antiulcer effect by significantly decreasing the gastric ulcer areas (11...
September 25, 2014: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/25056694/serum-concentrations-of-gastrin-after-famotidine-and-omeprazole-administration-to-dogs
#19
N L Parente, N Bari Olivier, K R Refsal, C A Johnson
BACKGROUND: The duration of antacid-induced hypergastrinemia after cessation of administration of omeprazole and famotidine apparently has not been determined in dogs. HYPOTHESIS: That serum gastrin will return to basal concentrations by 7 days after cessation of famotidine or omeprazole administration. ANIMALS: Nine healthy, adult, male, research colony dogs. METHODS: Randomized, cross-over design. Serum gastrin was determined daily for 7 days to establish baseline concentrations...
September 2014: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/24490492/-effects-of-jiaweisinisan-dispersion-on-content-and-gene-expression-of-gastric-tissue-gasr-and-jejunal-tissue-vipr2-of-physical-and-mental-stress-model-rat
#20
Hui-Chen Xie, Fen Liu, Qiang Yang, Chang-Chu Xiong
OBJECTIVE: To observe the effects of Jiaweisini dispersion (JWSNS) on the ultrastructure of gastric mucosa, the content and gene expression of gastric antrum tissue gastrin receptor (GASR) and jejunal tissue vasoactive intestinal peptide receptor 2 (VIPR2) in chronic stress gastric ulcer rats, and to elucidate its mechanism. METHODS: 60 Wistar rats were randomly divided into normal group, model group, JWSNS large, medium, small dose groups, and omeprazole group, 10 rats in each group...
November 2013: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
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