Literature DB >> 836896

Ammonia inhibits protein secretion in isolated rat hepatocytes.

P O Seglen, A Reith.   

Abstract

The general secretion of proteins by isolated rat hepatocytes in suspension is inhibited by colchicine, anoxia, or ammonia (NH4Cl). The inhibition by ammonia is accompanied by the cytoplasmic retention and swelling of protein secretory vesicles, suggesting that ammonia accumulates in the vesicles and thereby prevents their translocation to the cell periphery. General protein synthesis appears to be relatively unaffected by ammonia.

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Year:  1977        PMID: 836896     DOI: 10.1016/0304-4165(77)90112-x

Source DB:  PubMed          Journal:  Biochim Biophys Acta        ISSN: 0006-3002


  8 in total

1.  Studies on the persistence of differentiated functions in rat hepatocytes set into primary tissue culture. II. Production of specific exportable proteins and the effect of purine cyclic nucleotides: an immunofluorescent study.

Authors:  U Armato; P G Andreis; E Draghi; E Negri; L Mengato; G Neri
Journal:  In Vitro       Date:  1978-10

2.  Chloroquine decreases cell-surface expression of tumour necrosis factor receptors in human histiocytic U-937 cells.

Authors:  Jae-Yeon Jeong; Jae Won Choi; Kye-Im Jeon; Dae-Myung Jue
Journal:  Immunology       Date:  2002-01       Impact factor: 7.397

3.  Spontaneous 51Cr release by isolated rat hepatocytes: an indicator of membrane damage.

Authors:  R Zawydiwski; R Duncan
Journal:  In Vitro       Date:  1978-08

4.  Macrophage protein turnover. Evidence for lysosomal participation in basal proteolysis.

Authors:  R T Dean
Journal:  Biochem J       Date:  1979-05-15       Impact factor: 3.857

5.  Cellular and lysosomal uptake of methylamine in isolated rat hepatocytes.

Authors:  A E Solheim; P O Seglen
Journal:  Biochem J       Date:  1983-03-15       Impact factor: 3.857

Review 6.  Effects of exogenous amines on mammalian cells, with particular reference to membrane flow.

Authors:  R T Dean; W Jessup; C R Roberts
Journal:  Biochem J       Date:  1984-01-01       Impact factor: 3.857

7.  Effects of amino acids, ammonia and leupeptin on protein synthesis and degradation in isolated rat hepatocytes.

Authors:  P O Seglen
Journal:  Biochem J       Date:  1978-08-15       Impact factor: 3.857

Review 8.  Autophagy and other vacuolar protein degradation mechanisms.

Authors:  P O Seglen; P Bohley
Journal:  Experientia       Date:  1992-02-15
  8 in total

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