Abstract:
BACKGROUND:Ethanol is a well-established 'barrier breaker' in gastric mucosa, but its effects at cellular level remain to be detailed. METHODS:Gastric epithelial cells were isolated from rabbits and cultured to monolayers. Intracellular calcium was measured spectrofluorometrically with fura-2. The patency of gap junctions was assessed by photobleaching a small area of 5-carboxyfluorescein loaded monolayer and measuring recovery of fluorescence. For cell volume measurements the change in fluorescence intensity was followed in calcein-loaded monolayers with a confocal microscope. RESULTS:Intracellular calcium concentration was increased from 65 +/- 9 to 140 +/- 17 nM; recovery of fluorescence signal after photobleaching was diminished from 53% +/- 11% to 9% +/- 3%; and cell volume was decreased significantly after 10 min exposure to 5% (vol/vol) ethanol. This volume decrease was prevented with serosal application of the potassium channel blocker, quinine, or by blocking the intracellular calcium signalling pathway with the intracellular calcium-chelating agent BAPTA. This suggests that luminal ethanol opens the basolateral calcium-dependent potassium selective channels via calcium signalling pathway, with resultant shrinkage of the cell. CONCLUSION:Intracellular calcium concentration is increased, gap junctions are closed and cell volume is decreased after exposure to 5% ethanol. Since gap junctions are known to be calcium gated, it is likely that their closure is secondary to the elevated cytosolic calcium in ethanol injured cells. This may have a protective function by limiting intercellular spread of impending cell injury. The opening of the basolateral potassium channel probably underlies the ethanol-induced cell shrinkage and might contribute to the ethanol-provoked epithelial damage.
journal_name
Scand J Gastroenteroljournal_title
Scandinavian journal of gastroenterologyauthors
Mustonen H,Kiviluoto T,Puolakkainen P,Kivilaakso Edoi
10.1080/00365520310007855subject
Has Abstractpub_date
2004-02-01 00:00:00pages
104-10issue
2eissn
0036-5521issn
1502-7708journal_volume
39pub_type
杂志文章abstract:INTRODUCTION:Cholangitis and biliary sepsis are severe infectious diseases, which are often observed in patients with choledocholithiasis. The antimicrobial therapy is effective if started as soon as the diagnosis is made. Therefore, the profile of bile pathogens and its susceptibility to a number of antibiotics were e...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.3109/00365521.2011.560676
更新日期:2011-07-01 00:00:00
abstract::The gut microfloral metabolism of sorbitol and lactulose was investigated in 10 healthy control subjects and 10 patients with cirrhosis of the liver, by measuring the pulmonary excretion of the fermentational gases hydrogen and methane during 3 h. A possible acute effect on venous plasma ammonia after a single dose of...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.3109/00365528309181604
更新日期:1983-05-01 00:00:00
abstract::A short, benign-looking stricture of the rectum presented itself clinically as subileus in a middle-aged woman after 5 years on hormone replacement therapy (HRT) and 8 years after curative surgery for cancer of the ovaries. Radiological work-up and multiple, repeated biopsies supported the endoscopically appearing ben...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/00365520510011614
更新日期:2005-03-01 00:00:00
abstract:BACKGROUND:The expression of two Helicobacter pylori proteins, CagA and VacA, is associated with more severe pathogenesis and clinical outcomes of the infection. However, this association varies among geographical regions and ethnic groups. We therefore evaluated CagA and VacA seroprevalence in H. pylori-positive dyspe...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/00365520310008403
更新日期:2004-03-01 00:00:00
abstract::During the period 1 January 1980 to 30 June 1986, a total of 543 small-intestinal biopsy specimens from adults with gastrointestinal symptoms were available for routine analysis with correlated scanning electron microscopy and light microscopy. Adhesion of microorganisms was found in 77 biopsy specimens. Microorganism...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.3109/00365528909089229
更新日期:1989-09-01 00:00:00
abstract:OBJECTIVE:Heme oxygenase-1 (HO-1) has emerged as a crucial mediator of mucosal defense in the gastrointestinal tract. Its metabolic pathway products, biliverdin/bilirubin and carbon monoxide, can reduce oxidative stress and inflammation, and promote resistance to apoptosis. The role of HO-1 in gastrointestinal malignan...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/00365520701192383
更新日期:2007-07-01 00:00:00
abstract:BACKGROUND:Collagens are major proteins in the extracellular matrix, providing tissues with tensile strength. They are also important for cell adhesion and the invasion of malignant tumours. METHODS:Thirty-nine samples of human colon (24 diverticulosis, 6 malignant tumours, 9 controls) were collected during elective s...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/003655200750023435
更新日期:2000-07-01 00:00:00
abstract:BACKGROUND:The purpose of this study was to assess sexuality in patients with ulcerative colitis (UC), before and one year after an ileal-pouch anal anastomosis (IPAA). METHODS:Group I comprised 14 medically treated patients (7 M) and Group II comprised 29 patients (18 M), operated with colectomy and ileostomy, with p...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/00365520310008449
更新日期:2004-04-01 00:00:00
abstract::Double-blind randomized controlled trials in single subjects (N of 1 RCTs) have demonstrated a beneficial symptomatic effect of cimetidine in reflux- or ulcer-like non-ulcer dyspepsia (NUD). However, spontaneous fluctuations in symptoms reduce the validity of such trials when performed as continuous trials with fixed ...
journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.3109/00365529208999947
更新日期:1992-01-01 00:00:00
abstract:BACKGROUND:This questionnaire study examined associations between health-related quality of life and long-term follow-up results with J-pouch anal anastomosis for ulcerative colitis. METHODS:A two-part questionnaire was sent to patients treated for ulcerative colitis by handsewn J-pouch-anal anastomosis at our institu...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/003655299750026065
更新日期:1999-06-01 00:00:00
abstract:OBJECTIVE:Superoxide has been implicated in the pathogenesis of Helicobacter pylori-related diseases through inflammation. NADPH oxidase, a major source of superoxide generation, plays a critical role in H. pylori-related gastric inflammation. The aim of this study was to clarify the effect of the p22PHOX C242T polymor...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/00365520701702348
更新日期:2009-01-01 00:00:00
abstract:OBJECTIVE:Gastric contents empty from the stomach despite frequent changes in body position. The mechanism that maintains gastric emptying independent of position is poorly understood. The aim of this study was to determine the effects of body position on gastric emptying and motor function. MATERIAL AND METHODS:Twelv...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/00365520600610451
更新日期:2006-10-01 00:00:00
abstract:BACKGROUND:Several authors have reported low prevalence of Helicobacter pylori infection in patients with upper gastrointestinal bleeding (UGIB). Our aim was to study the prevalence of H. pylori in bleeding duodenal ulcer (DU), with both invasive and non-invasive methods, and to assess the role of non-steroidal anti-in...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/003655201300191978
更新日期:2001-07-01 00:00:00
abstract:OBJECTIVE:To describe the experience of a single center regarding the feasibility of endoscopic closure of iatrogenic colonic perforations and to elucidate differences between the efficacy of endoscopic clip closure due to diagnostic or therapeutic colonoscopy. MATERIAL AND METHODS:A retrospective institutional comput...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.3109/00365521.2013.793737
更新日期:2013-07-01 00:00:00
abstract::Twenty-two patients with active Crohn's disease treated with salazosulfapyridin or prednisone, were in addition given metronidazole 1.000 mg daily or placebo for two months each in a double-blind cross-over study. No statistically significant effect was observed on the overall clinical condition in the 20 patients who...
journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.3109/00365527809179816
更新日期:1978-01-01 00:00:00
abstract::This study was designed to determine the influence of cephalic and gastrointestinal meal stimulation on plasma levels of somatostatin-like immunoreactivity (SLI) and to compare plasma hormonal and gastric secretory effects of somatostatin-14 (SS-14) and its putative prohormone, somatostatin-28 (SS-28), in humans. Ceph...
journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章
doi:10.3109/00365528509089629
更新日期:1985-01-01 00:00:00
abstract:BACKGROUND:Zinc (Zn) is protective and enhances epithelial repair in gut diseases. In this study we investigate the localization and distribution of Zn and its binding protein, metallothionein (MT), in the gut of rats fed diets varying in Zn content. METHODS:Male-Sprague Dawley rats were fed low, normal, high, or exce...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/003655299750025895
更新日期:1999-07-01 00:00:00
abstract:BACKGROUND:Increased faecal calprotectin shedding indicates gastrointestinal mucosal inflammation. METHODS:We studied the effect of short-term treatment with non-steroidal anti-inflammatory drugs (NSAIDs) on faecal calprotectin shedding in two randomized crossover studies, with treatment regimens of indomethacin or na...
journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.3109/00365529609006407
更新日期:1996-04-01 00:00:00
abstract::We report a rare case of Crohn disease accompanied by a small-bowel carcinoma that developed in a 54-year-old Japanese man. The ulcerating tumor, which histologically proved to be a poorly differentiated adenocarcinoma and dysplasia surrounding the carcinoma, was located in the diseased ileum. The Ki-67 immunoreactive...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/003655299750024995
更新日期:1999-11-01 00:00:00
abstract:BACKGROUND:Perforated gastric cancer (PGC) is a rare condition of gastric cancer (GC). In this study, we sought to assess the outcome of PGC from the aspects of both acute care surgery and surgical oncology at a single institute, Chang Gung Memorial Hospital (CGMH). METHODS:From 1997 to 2013, 6864 patients were diagno...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/00365521.2017.1369562
更新日期:2017-12-01 00:00:00
abstract:OBJECTIVE:Owing to rising incidence rates in inflammatory bowel disease (IBD), there has been increased interest in causal relationships in pediatric disease. The present population-based inception cohort was recruited in the Oslo area from 2005 to 2007, with the aim of conducting a detailed characterization of treatme...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/00365520802647434
更新日期:2009-01-01 00:00:00
abstract::Sympathetic hyperactivity is considered to be the most important factor in the development of postoperative bowel atonia. In a double-blind study we evaluated the gut motor effects of dihydroergotamine, which predominantly acts as a sympatholytic agent in the gastrointestinal tract. Forty-six patients undergoing chole...
journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
doi:
更新日期:1984-11-01 00:00:00
abstract:BACKGROUND:Patients with inflammatory bowel disease (IBD) are at risk of developing metabolic bone disease. In diagnosing osteoporosis, bone mineral density (BMD) measurements play a key role. Our aims in this study were to assess the skeletal status with quantitative ultrasound (QUS) and to evaluate the ability of thi...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/003655299750025723
更新日期:1999-08-01 00:00:00
abstract:OBJECTIVE:To investigate whether atopic disease influences the prevalence of irritable bowel syndrome (IBS) and chronic fatigue (CF) after giardiasis. METHODS:A questionnaire was sent to all confirmed cases of giardiasis after a Norwegian outbreak, with response rate of 65.3% (817/1252). Controls were randomly selecte...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.3109/00365521.2012.696681
更新日期:2012-09-01 00:00:00
abstract::The effect of glucagon-like peptide-1 (GLP-1) amide on gastric somatostatin and gastrin secretion was investigated in the isolated, vascularly perfused rat stomach preparation. GLP-1 (7-36) amide, 10(-12) to 10(-7)M, dose-dependently increased gastric somatostatin release, achieving maximal stimulation (314 +/- 15% ab...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.3109/00365529009095514
更新日期:1990-05-01 00:00:00
abstract::Total gastric flow studies indicated that a transient, considerable flow increase was followed by a more moderate increase of total gastric flow during pentagastrin stimulation in anesthetized cats. In conscious cats regional gastric flow studies, using hydrogen clearance techniques, suggested that raised flow to the ...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.3109/00365528209182080
更新日期:1982-04-01 00:00:00
abstract::In a previous study we reported lack of improvement in oesophageal motor function after complete healing of oesophagitis achieved by treatment with omeprazole for a median duration of 12 weeks. This study investigates the effect on oesophageal acid exposure of a longer period of complete remission. It was decided to a...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.3109/00365529409090430
更新日期:1994-01-01 00:00:00
abstract::Five cats were provided with a gastric fistula (GF) and a Heidenhain pouch (HP), and the proximal small intestine was excluded and provided with a duodenal fistula. A protein-rich meal, introduced into the duodenum (duodenal feeding) caused no serum gastrin increase, which supports our previous conclusion that duodena...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:
更新日期:1984-01-01 00:00:00
abstract:BACKGROUND:The course and prognosis of Crohn disease has previously been described in a regional group of patients in Copenhagen County. The aim of the present study was to reveal the quality of life. as judged by the patients, and compared to age- and sex-matched healthy controls. METHODS:Out of 100 consecutive out-p...
journal_title:Scandinavian journal of gastroenterology
pub_type: 杂志文章
doi:10.1080/003655200451199
更新日期:2000-10-01 00:00:00
abstract:BACKGROUND:The aim of the present investigation was to study gastric acid secretion and release of gastrin, cholecystokinin (CCK), and secretin during intraduodenal perfusion of either fish oil or trioleate. METHODS:Seven healthy volunteers were stimulated on two separate days in random order with intraduodenal perfus...
journal_title:Scandinavian journal of gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1080/003655299750025282
更新日期:1999-09-01 00:00:00