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  • 1
    Electronic Resource
    Electronic Resource
    Cardiomyopathy associated with Leigh's disease (1985)
    Springer
    Virchows Archiv 407 (1985), S. 97-105 
    Details
    ISSN: 1432-2307
    Keywords: Cardiomyopathy ; Leigh's disease ; Mitochondriopathy ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Clinical and postmortem findings in a female infant, suffering from Leigh's disease and cardiomegaly are described. The cardiac enlargement was due to symmetrical thickening of both ventricular walls and the septum. On light microscopy a widespread fibre disarray with a slight predilection for the ventricular septum was observed. Ultrastructural changes included an extreme reduction in the number of myofibrils and an excess of mitochondria. Abnormalities of the mitochondrial structure with tubular and myelinic transformation of the cristae suggested that a mitochondriopathy is responsible for the cardiomegaly in Leigh's disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00701332
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of chronic alcohol consumption on tumor incidence due to dimethylnitrosamine administration (1983)
    Springer
    Journal of cancer research and clinical oncology 106 (1983), S. 58-64 
    Details
    ISSN: 1432-1335
    Keywords: Ethanol ; Dimethylnitrosamine ; Liver tumors ; Kidney tumors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To study the effect of chronic alcohol consumption on tumor development due to dimethylnitrosamine (DMN) administration, female Sprague-Dawley rats were pair-fed for 3 weeks a nutritionally adequate liquid diet containing either ethanol (36% of total calories) or isocalorically substituted carbohydrates as control diet. Thereafter, the animals were maintained on laboratory chow and tap water ad libitum for another 2 weeks and received 1.5 mg DMN i.p. per day for the first 5 days. This 5-week cycle was repeated three more times. Chronic treatment with an alcohol-containing diet was shown to significantly improve the mean survival time of DMN-treated rats compared with identically treated animals fed the control diet, but the total number of tumors observed under these experimental conditions and the target organ remained virtually unchanged.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00399898
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Rat liver alterations after chronic treatment with hexachlorobenzene (1979)
    Springer
    Virchows Archiv 382 (1979), S. 127-137 
    Details
    ISSN: 1432-2307
    Keywords: Hexachlorobenzene ; Liver ; Ultrastructure ; Porphyrins ; Smooth endoplasmic reticulum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Groups of female rats were treated orally with 0.5, 2.0, 8.0, and 32 mg/kg hexachlorobenzene twice a week for 203 days. The liver content of hexachlorobenzene was found to be dose-dependent. In the animals treated with the highest dose the concentration was 273 μg/g hexachlorobenzene. In the fresh and fixed hepatic tissue of the treated animals pink fluorescence was observed. Electron microscopy revealed a dose dependent enlargement of all hepatocytes due to proliferation of the SER in the centrolobular area or to increased glycogen deposits (β- or α-particles) and SER in the intermediary and periportal area. Numerous porphyrin deposits and siderosomes, intimate disorganisation and moderate dislocation of the RER and a moderate enlargement of bizarre-shaped mitochondria were recognized. The relationship between porphyrin crystals and mitochondria on the one hand and between SER and glycogen deposits on the other is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01102869
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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