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  • 1
    Electronic Resource
    Electronic Resource
    Possible occurrence of amitotic cell division during haemopoiesis in the Urodeles (1995)
    Springer
    Comparative clinical pathology 5 (1995), S. 183-188 
    Details
    ISSN: 1433-2981
    Keywords: Amitosis ; Haemopoiesis ; Liver ; Urodeles ; Morpho-cytochemistry ; Erythrocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The liver haemopoietic activity of three species of Urodeles (Triturus carnifex, Triturus alpestris and Speleomantes ambrosii) was examined by morphocytochemical approaches (light and electron microscopy, anti-BrdU immunocytochemistry, flow cytometry). The proliferation of haemopoietic cells, detected by the anti-BrdU labelling index, was accompanied by absence of mitotic cell division and the appearance of cells showing features of amitosis (e.g. nuclear constrictions with bundles of electron-dense chromatin) sometime positive to the anti-BrdU immuno-gold reaction. The possible unbalanced segregation of chromatin during the direct division of the nucleus was detected by flow cytometric measurement in terms of heterogeneous relative DNA content in peripheral blood cells. The presence in the bloodstream samples of cells (erythrocytes) with replicating DNA, nuclear constrictions and binucleations is also consistent with a situation of direct nuclear division.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00368042
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Respiratory distress syndrome in patients with advanced cancer treated with pentoxifylline: a randomized study (1993)
    Springer
    Supportive care in cancer 1 (1993), S. 331-333 
    Details
    ISSN: 1433-7339
    Keywords: ARDS ; Quality of life ; Tumour necrosis factor ; Pentoxiphylline
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The inappropriate endogenous secretion of tumour necrosis factor (TNF) could play a role in the pathogenesis of acute respiratory distress syndrome (ARDS), one of the most frequent causes of death in cancer patients. Because of its capacity to inhibit TNF secretion in vitro, pentoxifylline (PTX) could be extremely useful in ARDS therapy. In this study 30 advanced cancer patients with ARDS were randomized to receive either the conventional care or conventional care plus PTX (100 mg i.v. twice a day for 7 days followed by an oral administration of 400 mg three times a day) to evaluate the efficacy of PTX in reducing TNF serum levels and in improving the symptoms of this syndrome. Serum levels of TNF were measured before and after 7 days of therapy. The percentage of patients alive at 7 days was significantly higher in the PTX-treated group than in the controls (12/15 versus 3/15; P〈0.001). The mean survival time was significantly higher in the PTX-treated group than in the controls. A clinical and/or radiological improvement was obtained in 11/15 patients treated with PTX and in only 2/15 patients in the conventional care group (P〈0.01). TNF mean levels significantly decrease in the PTX-treated group. These data confirm in vivo the capacity of PTX to inhibit TNF secretion in patients with ARDS. Moreover PTX therapy may improve the symptoms related to ARDS without particular toxic effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00364972
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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