Abstract：
:An improved technique was developed to measure intracellular pH-changes in in vitro duodenal mucosa. A confocal laserscan microscope was equipped with a second laser to permit dual wavelength excitation measurements employing BCECF (2'7'-bis-2-carboxyethyl-5-(and-6)carboxyfluorescein), a pH-sensitive fluorescent dye. Intact rat duodenal epithelium was mounted in a microperfusion chamber and loaded with BCECF via submucosal injection. Viability of the epithelial cells could be directly monitored by estimating the nucleus-to-cytoplasm ratio of the fluorescence intensity of BCECF. A calibration procedure using isolated duodenal cells, allowed estimation of the apparent intracellular pH. Initial apparent intracellular pH was 7.32 +/- 0.12, identical to that of isolated duodenocytes. Exposure of the duodenal epithelium to 60 mM NH4Cl led to a steady increase in apparent intracellular pH of 0.46 units within 2 min. Luminal application of 0.01 N HCl led to a steady decrease in apparent intracellular pH of 0.53 pH units within 1 min and was followed by a slow increase to baseline level after acid removal. Thus, confocal laserscan microscopy in combination with BCECF allowed noninvasive monitoring of intracellular pH-changes in single cells of an intact duodenal epithelium.
journal_name
Z Gastroenteroljournal_title
Zeitschrift fur Gastroenterologieauthors
Weinlich M,Heydasch U,Starlinger M,Kinne RKsubject
Has Abstractpub_date
1997-04-01 00:00:00pages
263-70issue
4eissn
0044-2771issn
1439-7803journal_volume
35pub_type
杂志文章abstract：BACKGROUND: More and more gastroenterologists are not satisfied with their working conditions and run the risk of developing burnout symptoms. Little is known about the job satisfaction and burnout risk among physicians working in endoscopy units in Germany. This study examines the risk of burnout and job satisfaction ...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/a-1176-2344
更新日期：2020-10-01 00:00:00
abstract：:For decades, methylene blue has been used in gastrointestinal endoscopy as an absorbing dye, it was, however, not approved for that purpose and has now been withdrawn from the market. A possible substitute is toluidine blue, an acidophilic, metachromatic dye that selectively stains cell nuclei; accordingly, since 2007...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/s-0028-1110032
更新日期：2010-09-01 00:00:00
abstract：:The intercellular adhesion molecule 1 (ICAM-1, CD54) and the lymphocyte associated antigen 3 (LFA-3, CD58) have been found in soluble form (sCD54 and sCD58) in human sera. Data concerning their role in chronic liver disease and their usefulness in disease monitoring are contradictory. We addressed the question whether...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：
更新日期：1997-06-01 00:00:00
abstract：:The term oral tolerance (OT) describes the antigen-specific suppression of immune responses following the feeding of the antigen. While some common features with other forms of induction of systemic tolerance have been disclosed, OT can be distinguished by certain immunologic characteristics. Thus, work in experimenta...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章,评审
doi：
更新日期：1999-02-01 00:00:00
abstract：:Squamous cell carcinomas account for more than 80 % of esophageal malignancies in Germany. Alcohol and tobacco smoke are two of the most important risk factors. In superficial esophageal squamous cell carcinoma, endoscopic mucosal resection (EMR) is a very useful and effective treatment modality. However, in patients ...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/s-2004-813221
更新日期：2004-07-01 00:00:00
abstract：:A 45-years old man after having returned from Thailand was admitted to the hospital with a severe ulcerative, pyogenic colitis and multiple liver abscesses. In the endoscopically taken rectal biopsies as well as in the liver abscess aspirate gained by fine needle puncture Throphozoites of E. histolytica could be demon...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：
更新日期：1989-02-01 00:00:00
abstract：UNLABELLED:The present survey carried out among the members of the German Society of Gastroenterology and Metabolism (GSGM) was intended 1. to provide information on a) age, professional experience and nature of present activities, b) the service spectrum, c) career prospects, and 2 to reflect the views of those questi...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：
更新日期：1996-09-01 00:00:00
abstract：:A 61-year-old white female with chronic hepatitis C virus (HCV) infection first diagnosed in 1994 was admitted with two newly discovered lesions in the liver suspected to represent hepatocellular carcinoma. The alpha-1-fetoprotein (AFP) level was within normal limits and there was neither clinical nor sonographic evid...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：
更新日期：1996-05-01 00:00:00
abstract：:In the last decade, innovative ultrasound technology has become the primary imaging method in Gastroenterology. Compared to other imaging techniques (e. g., computed tomography and magnetic resonance imaging), conventional ultrasound images have the disadvantage of a restricted field-of-view (width), thus producing im...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/s-2002-36153
更新日期：2002-12-01 00:00:00
abstract：:Even simple assay techniques for serum lipase which apply to a triolein substrate are more useful than alpha-amylase measurements in the recognition of acute and chronic relapsing pancreatitis because of the inevitable presence of alpha-amylase from parotid origin. ...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：
更新日期：1980-10-01 00:00:00
abstract：:Budesonide is a locally acting steroid with a high first-pass metabolism in the liver and low systemic effects. We performed the first pilot study comparing budesonide foam (1 mg/50 ml b.i.d.) with mesalazine enemas (4 g/60 ml o.d.). 33 patients from 3 centres were enrolled in this open randomized clinical trial. 16 p...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 临床试验,杂志文章,多中心研究,随机对照试验
doi：10.1055/s-2000-14869
更新日期：2000-04-01 00:00:00
abstract：:Although NSAID-induced colonopathy characterised by erosions, ulcers, strictures and diaphragms has been known for quite some time, it is not infrequently misinterpreted endoscopically and histologically as Crohn's disease. This is exemplified by the present case history of a 39-year-old man with bloody diarrhoea and ...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/s-0028-1109760
更新日期：2010-04-01 00:00:00
abstract：:This article presents the recommendations for 24-hour oesophageal pH-metry of the German Society of Neurogastroenterology and Motility and the Study Group for Gastrointestinal Functional Disorders and Function Diagnostics of the Austrian Society of Gastroenterology and Hepatology. Indications for the examination, the ...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 指南,杂志文章,实务指引
doi：10.1055/s-2003-39823
更新日期：2003-06-01 00:00:00
abstract：:Cystic fibrosis (CF) is the most common autosomal recessive disease in the Caucasian population. The primary cellular defect, the reduced expression of the cystic fibrosis transmembrane conductance regulator (CFTR), leading to a chloride secretory defect, is present in all epithelial cells of endodermal and mesodermal...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章,评审
doi：
更新日期：1999-08-01 00:00:00
abstract：:Cholangiocarcinoma at the choledochoduodenal anastomosis site is a rare complication. Our 71-years-old female patient developed an adenocarcinoma 38 years after cholecystectomy and choledochoduodenal anastomosis. During the previous two years she suffered from recurrent episodes of cholangitis and jaundice. Multiple e...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：
更新日期：1997-12-01 00:00:00
abstract：:Infective esophagitis is a rare disease, affecting mostly immunocompromised patients. Very few cases of a multiple viral infection have been reported. We present a case of combined cytomegalovirus (CMV) and herpes simplex virus (HSV) esophagitis in an 81-year-old female with extracapillary sclerosing glomerulonephriti...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/s-2000-14887
更新日期：2000-06-01 00:00:00
abstract：:The effect of guar gum on digoxin absorption was investigated in eleven healthy volunteers. The drug was administered in the morning during two five-day-periods, together with a liquid mixed test meal (+/- 18 g guar). By measuring plasma digoxin concentrations no differences were registered between the control and gua...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：
更新日期：1982-03-01 00:00:00
abstract：BACKGROUND:Celiac disease (CD) is a common chronic systemic autoimmune disease in Europe. The prevalence of CD in Hungarian children is estimated at 1.2 - 1.4 %. To date, however, no data on adult CD prevalence has been published. AIMS:Analysis of the serological evidence for CD among Hungarian adults in order to esti...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/s-0033-1335450
更新日期：2013-11-01 00:00:00
abstract：:An HIV-1 seronegative man presented with odynophagia, dysphagia, diarrhea, tenesmus and a 50-lb weight loss. A large esophageal ulcer and a rectal fissure were identified endoscopically. Stool samples and biopsy specimens from the esophageal ulcer, duodenum, colon and rectum were negative for pathogens. Seronegative A...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/s-2007-963051
更新日期：2007-08-01 00:00:00
abstract：:ATP-dependent transport of biliary constituents, such as bile acids, reduced glutathione, and bilirubin glucuronosides across the hepatocyte canalicular membrane into bile represents the decisive driving force for the formation of biliary fluid. Functional characterization, cloning, and localization of hepatocellular ...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章,评审
doi：10.1055/s-0031-1281755
更新日期：2011-07-01 00:00:00
abstract：:Hepatitis C is one of the world's leading infectious diseases. The interferon-ribavirin combination therapy is the new standard for the treatment of hepatitis C in naive and relapse patients. Virological sustained response rates can be more than doubled by the IFN-ribavirin combination therapy compared to IFN-monother...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章,评审
doi：10.1055/s-2000-14867
更新日期：2000-03-01 00:00:00
abstract：:Conventional drug therapy in patients with chronic gastrointestinal inflammation is clinically effective in the majority of patients. However, in a relevant group of patients with highly active disease refractory to conventional drugs and for patients with severe side effects new therapeutic strategies are necessary. ...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章,评审
doi：10.1055/s-2000-7517
更新日期：2000-08-01 00:00:00
abstract：:Constipation is one of the most frequent gastroenterological problems, especially among elderly people. Chronic constipation is now defined by the new Rome III criteria. Life style counselling is usually only effective in early stages of disease and for mild types. In patients with constipation one should actively scr...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/s-0029-1245932
更新日期：2011-02-01 00:00:00
abstract：:The high regenerative potential of the liver is driven by parenchymal and non-parenchymal cells, which restore the original liver mass after injury by cell proliferation. The contribution of stem- and progenitor cells to liver regeneration is mainly observed when hepatocyte proliferation is impaired. However, the orig...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章,评审
doi：10.1055/s-0035-1566895
更新日期：2015-12-01 00:00:00
abstract：BACKGROUND: The aim of our study is to analyze viscosity characteristics of focal liver lesions (FLLs) and the diagnostic performance of shear wave dispersion (SWD) in differentiating benign and malignant FLLs. METHODS: Between January 2018 and April 2018, 58 consecutive patients (median age 57, age range 21-74 years,...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/a-1217-7465
更新日期：2020-09-01 00:00:00
abstract：:Seventy-nine caustic burns of the upper gastrointestinal tract were divided into early and late effects. The radiological findings were analysed and discussed. The central role of radiology proved to be indisputable, particularly for demonstration of a perforation and for the control of treatment. Endoscopy is of part...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：
更新日期：1978-11-01 00:00:00
abstract：:On the basis of 3 of our own cases, we describe unusually intense forms of filiform polyposis and local giant polyposis as a consequence of chronic inflammatory bowel disease. The patients are: A 52-year-old woman who for 7 years has been known to have Crohn's disease (CD); a 55-year-old man who for 14 years has been ...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章,评审
doi：10.1055/s-2000-9994
更新日期：2000-10-01 00:00:00
abstract：:Proton pump inhibitors are among the most commonly used drugs worldwide. They are considered to be largely safe and cause little side-effects. We report a 69-year-old woman who suffered from erythematous plaques 2 months after initiating therapy with esomeprazole. The diagnosis of subacute cutaneous lupus erythematosu...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：10.1055/s-0043-113833
更新日期：2017-09-01 00:00:00
abstract：:The term cholangiocarcinoma (CCA) comprises neoplasms of the intrahepatic, perihilar, and distal bile duct. Five-year survival rates of patients with CCA are below 20 %, and no targeted therapy could prove a benefit in comparison to the standard treatment of cisplatinum and gemcitabine. In recent years, next generatio...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章,评审
doi：10.1055/s-0043-102581
更新日期：2017-06-01 00:00:00
abstract：:The major target antigen of LKM-1 autoantibodies in chronic active hepatitis is cytochrome P450 IID6. The role of LKM-1 autoantibodies in the pathogenesis of the disease is not clear. A crucial point is the expression of the target epitope on the hepatocyte membrane. Cultured rat hepatocytes were used in this study. T...
journal_title：Zeitschrift fur Gastroenterologie
pub_type： 杂志文章
doi：
更新日期：1993-04-01 00:00:00
