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  • 1980-1984  (4)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Morphological identification of alpha-I-antitrypsin in the human small intestine (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 6 (1982), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Alpha-I-antitrypsin immunoreactivity was demonstrated by immunofluorescence in epithelial cells of the normal human small intestine. Its presence was also confirmed in biopsies of patients with Crohn's disease. Specific fluorescence was observed in only four out of 14 adult patients with coeliac disease. These results implicate the human small intestinal epithelium as a possible source of alpha-I-antitrypsin. The absence of positive cells may have implications in the aetiology of coeliac disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1982.tb02701.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Alpha-1-antitrypsin immunoreactivity in gastric carcinoid (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 6 (1982), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Alpha-1-antitrypsin (AAT) was demonstrated in tumour cells in three out of five cases of gastric carcinoma showing the histological characteristics of carcinoid tumour. It was also detected in normal stomach mucosa, but was not found in 10 cases of adenocarcinoma of intestinal or mucous cell type. The AAT-positive tumour cells were argyrophilic, PAS-positive and were negative for pancreatic and gastric hormones. These findings suggest a possible malignant proliferation of alpha-1-antitrypsin-containing cells in the stomach.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1982.tb02723.x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Alpha-1-antitrypsin and copper in the liver (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 5 (1981), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The incidental finding of orcein positive granules, indicating copper associated protein, in alpha-1-antitrypsin (AAT) positive liver biopsies stimulated a histochemical search for evidence of copper and copper-binding protein in a series of 46 liver biopsies with histological evidence of AAT accumulation. Hepatic accumulation of copper and copper-binding protein occurred in all 19 cirrhotics (100%) and in 14 out of 27 non-cirrhotic livers (51.85%). The overall percentage was 71.73%. AAT and copper deposits coexisted in the same periportal hepatocytes. AAT globules showed positive reactivity both to rhodanine and orcein stains. The severity of chronic liver damage correlated with increasing amounts of copper deposition. It is suggested that in AAT storage, not only is the metabolism of this substance disturbed, but also that of proteins involved in copper metabolism and excretion, resulting in copper accumulation within hepatocytes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1981.tb01802.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The demonstration of B cells in pancreatic islets with Orcein (1982)
    Springer
    Journal of molecular histology 14 (1982), S. 545-552 
    Details
    ISSN: 1573-6865
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Orcein stains granules in pancreatic islet cells selectively. The localization of Orcein-positive cells within islets differs from that of Grimelius-stained cells, but corresponds to the B cell type differentiated by Aldehyde Fuchsin. Usually there appear to be fewer Orcein-positive cells than Aldehyde Fuchsin-positive ones. This indicates either that Aldehyde Fuchsin is a more sensitive stain for B cells or that Orcein is a more selective stain for a B cell type subpopulation. The rationale of the Orcein reaction in B cells seems to depend on the oxidation of disulphide bonds present in insulin and its precursors rich in cystine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01011887
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    Paper (German National Licenses)
    Fulltext
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