Structure of the human apolipoprotein C-II gene promoter.

Abstract:

:To localize transcriptional active cis elements and to study the effect of a single base transition at -86 derived from a patient (PS) with an inherited severe form of hypertriglyceridemia a reporter gene transfection assay with apo C-II promoter fragments was performed. Sequences from -170 to -140, -140 to -59 and -59 to -39 were transcriptional active. The A to G transition at -86 reduced promoter activity to 25% (pC2PS-13). A nuclear protein bound sequence specific to a DNA fragment from -102 to -70, but disappeared when the point mutation at -86 was introduced. We found that one of these cis elements enhances promoter activity as a response of cAMP elevation. Apo CII mRNA level increases after incubation of HepG2 cells with 10 microM forskolin within 2 hours as measured by northern blot analyses. Incubation of transfected cells (pC2W) with forskolin [10 microM] or a cAMP analogue resulted in an 6-fold increase of luciferase activity within 6 hours and a subsequent decrease. The results suggest that several positive acting elements are located between -170 and -36 and that one of them may be responsible for promoter activation by cAMP. The reduction of promoter activity by the point mutation may be a consequence of impaired protein-DNA interaction.

journal_name

Z Gastroenterol

authors

Streicher R,Avci H,Munck M,Siemeister G,Geisel J,Weisshaar C,Müller-Wieland D,Krone W

subject

Has Abstract

pub_date

1996-06-01 00:00:00

pages

49-50

eissn

0044-2771

issn

1439-7803

journal_volume

34 Suppl 3

pub_type

杂志文章
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    authors: Faiss S,Scherübl H,Bäder M,Fett U,Koppenhagen K,Wiedenmann B,Riecken EO

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    abstract::Video Endoscopy and Video Sonography are new developments in the field of endoscopy. They will start a structural change of the common endoscopy unit. This article shall give an overview about new development ways and their consequences for the next years in the field of Video Endoscopy. ...

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    authors: Stettin J

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  • Misinterpretation of NSAID-induced Colopathy as Crohn's disease.

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  • [Morphometric studies on epithelial cells of the rat stomach under chronic effect of alcohol].

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    authors: Al-Abadi H,Dumke K,Donhuijsen K,Niedobitek F

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    journal_title:Zeitschrift fur Gastroenterologie

    pub_type: 杂志文章,评审

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  • [Immune response to HBsAg, HBcAg and e-antigen in patients with acute hepatitis and HBsAg carriers with and without liver diseases].

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    authors: Meyer zum Büschenfelde KH,Arnold W,Knolle J,Hess G

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  • [Yersinia enterocolitica infection with extraintestinal manifestations: case report and overview].

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    journal_title:Zeitschrift fur Gastroenterologie

    pub_type: 杂志文章,评审

    doi:

    authors: Janowitz P,Wechsler JG,Malfertheiner P,Blanco J,Kern P

    更新日期:1994-03-01 00:00:00

  • [Prolactin in females with liver cirrhosis].

    abstract::The median plasma level of prolactin in 94 women with cirrhosis of the liver did not differ significantly when compared with a control group (8,0 versus 7,2 ng/ml). Nevertheless 22% of the investigated women exhibited a plasma prolactin level higher than 15 ng/ml. The prolactin concentrations correlated to the severen...

    journal_title:Zeitschrift fur Gastroenterologie

    pub_type: 杂志文章

    doi:

    authors: Grün R

    更新日期:1985-08-01 00:00:00

  • [Biliary diseases in the elderly].

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    journal_title:Zeitschrift fur Gastroenterologie

    pub_type: 杂志文章,评审

    doi:10.1055/s-0034-1366158

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    doi:

    authors: Dukat H,Dumke K,Niedobitek F,Volkheimer G

    更新日期:1986-11-01 00:00:00

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    doi:10.1055/s-2008-1027926

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    doi:10.1055/s-2003-41824

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    更新日期:2003-09-01 00:00:00

  • [Addition of albumin to solutions of cholecystokinin (CCK)--effect on pancreatic secretion, plasma CCK level and release of pancreatic polypeptide (PP)].

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    authors: Fried M,Gyr K,Beglinger C,Schlegel W,Grötzinger U,Stalder GA,Varga L

    更新日期:1983-03-01 00:00:00

  • [Frequency and pathogenesis of epitheloid cell granuloma in Crohn's disease (author's transl)].

    abstract::12% of the rectal biopsies (19% of the patients) showed epitheloid cell granulomas in clinically definite Crohn's disease. In colonic biopsies such granulomata were visible in 14% (22% of the patients). Granulomata were scarcely seen in normal or slightly inflamed mucosa. They were mostly found together with crypt abs...

    journal_title:Zeitschrift fur Gastroenterologie

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    authors: Schmitz-Moormann P,Malchow H,Miller B,Brandes JW

    更新日期:1979-05-01 00:00:00

  • Pharmacological treatment of hepatocellular carcinoma with cavoatrial tumor thrombus - case series and literature review.

    abstract::Hepatocellular carcinomas (HCC) that extend into the vena cava and the right atrium have a poor prognosis. Surgical approaches including partial hepatectomy and thrombectomy are the most frequently reported treatment options. However, most patients with advanced HCC are not eligible for complex surgical interventions ...

    journal_title:Zeitschrift fur Gastroenterologie

    pub_type: 杂志文章,评审

    doi:10.1055/a-0855-4469

    authors: Zhan T,Sollors J,Steinebrunner N,Schlitt HJ,Stroszczynski C,Weiss KH,Ebert MP,Teufel A

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  • Modulation of gastrointestinal inflammation by chimeric proteins in experimental models.

    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

    authors: Stallmach A,Wittig BM,Zeitz M

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  • [Evidence-based medicine: context and relevance].

    abstract::Currently, evidence-based medicine is subject of a controversial discussion. This review is focused on the different types of evidence in clinical medicine and elaborates the history and context of evidence-based medicine. Evidence-based medicine insists that the theoretical plausibility of a therapeutical concept alo...

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    pub_type: 历史文章,杂志文章,评审

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    更新日期:1999-06-01 00:00:00

  • [Symptoms in patients with adenocarcinoma of the esophagus].

    abstract:INTRODUCTION:Gastroesophageal reflux (GER) is the main risk factor for the development of adenocarcinoma of the esophagus (AC). The aim of our study was to evaluate symptoms of patients with AC to identify those patients with a high risk for this tumour. PATIENTS AND METHODS:117 consecutive patients with known AC were...

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  • [Determination of bile acids by radioimmunoassays (author's transl)].

    abstract::The present paper, based on the current literature, considers the practical aspects of bile acid radioimmunoassays. The problems associated with the raising of specific antisera and their characterization are discussed. Features of assay design for bile acids are considered. Solid-phase radioimmunoassays are described...

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    pub_type: 杂志文章

    doi:

    authors: Matern S,Gerok W

    更新日期:1978-03-01 00:00:00

  • [Chronic pancreatitis: sensitivity, specificity and predictive value of the pancreolauryl test].

    abstract::Assessment of the clinical value of the pancreolauryl test (PLT) in the literature range from "useless" to a specifity of 95% and a sensitivity of 98%. In this work, our own data are presented in relation to various reference methods. The results are derived from the largest collective investigated to data, comprising...

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    pub_type: 杂志文章

    doi:

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    更新日期:1984-12-01 00:00:00

  • [Gastroenterology in the former GDR (1975-1990) and the changes after German reunification].

    abstract::This short overview sketches the state of Gastroenterology in the GDR (1975 - 1990) from the point of view of an East-German contemporary witness. The "Society for Gastroenterology/GDR" (GfG) has played a decisive role for the development of the Gastroenterology in the GDR. The society promoted medical education and c...

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    pub_type: 历史文章,杂志文章

    doi:10.1055/s-0034-1366472

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    更新日期:2014-06-01 00:00:00

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    journal_title:Zeitschrift fur Gastroenterologie

    pub_type: 杂志文章

    doi:

    authors: Karbach U,Singe CC,Mähtricht M,Ewe K

    更新日期:1989-05-01 00:00:00

  • [Correlation between endoscopic biopsy findings and sonograms of the abdomen in stomach cancer].

    abstract::35 out of 57 patients with gastric carcinoma presented with a so called "target" pattern. In cases with distal cancer the more advanced cases with endoscopic types Borrmann III/IV showed this sign more frequently than less advanced forms, i.e. suspected early cancer, Borrmann I or Borrmann II. On the other hand in end...

    journal_title:Zeitschrift fur Gastroenterologie

    pub_type: 杂志文章

    doi:

    authors: Allmendinger G,Blaich E,Hofgärtner F,Lorenz H,Schmid E

    更新日期:1984-02-01 00:00:00

  • Antipyrine elimination in patients with alcoholic and non-alcoholic cirrhosis.

    abstract::The metabolism of antipyrine to each of its three major metabolites 4-hydroxy-, 3-methylhydroxy- and norantipyrine has previously been demonstrated to be differentially affected in alcoholic cirrhosis. This study compared the metabolism of antipyrine to its metabolites in 30 patients with alcoholic cirrhosis to 15 pat...

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    pub_type: 杂志文章

    doi:

    authors: Wensing G,Hoffmann K,Heidemann HT

    更新日期:1993-01-01 00:00:00

  • [Surgical therapy of segmental jejunal, primary intestinal lymphangiectasia].

    abstract::Primary intestinal lymphangiectasia (PIL) is a protein-losing, exsudative gastroenteropathy causing lymphatic obstruction. Diagnosis depends on clinical examination and histological findings. Conservative treatment modalities include a low-fat diet and enteral nutritional therapy in order to reduce enteric protein los...

    journal_title:Zeitschrift fur Gastroenterologie

    pub_type: 杂志文章

    doi:10.1055/s-0031-1273473

    authors: Kneist W,Drescher DG,Hansen T,Kreitner KF,Lang H

    更新日期:2013-06-01 00:00:00

  • [Cytotoxicity of bile acids and lysolecithin--a factor in the pathogenesis of stomach ulcer?].

    abstract::The role of bile acids and lysolecithin in the pathogenesis of peptic ulcer is as yet not unequivocally defined. Based on the physiochemical properties of bile acids and animal experiments they have damaging potential on the mucosal cell. However, the majority of results reported in patients do not favour a significan...

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    pub_type: 杂志文章,评审

    doi:

    authors: Schölmerich J

    更新日期:1987-08-01 00:00:00

  • [Therapy of bleeding mucosal erosion of the stomach with secretin].

    abstract::In a prospective study patients with bleeding from acute gastric mucosal lesions were treated by i.v. infusions of secretin. 67 patients received natural secretin (Karolinska-Institut Stockholm), 14 patients received synthetic secretin (Firma Hoechst Frankfurt). In 64 of the 67 patients (95%) who received natural secr...

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    pub_type: 杂志文章

    doi:

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    更新日期:1980-06-01 00:00:00

  • [Incidence and significance of the gastric mucosal constellation in pernicious anemia].

    abstract::1977 cases with gastric complains but without localized findings like ulcer or cancer were investigated by gastroscopy with biopsies of corpus and antrum ventriculi. We found in 5.5% an isolated mucosal atrophy of the gastric corpus (mean age 67.2 years compared to 59.4 years in cases with normal mucosa). 0.7% showed ...

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    pub_type: 杂志文章

    doi:

    authors: Witte S,Langer J,Stolte M

    更新日期:1986-07-01 00:00:00