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'Lymphocyte' in keywords Facet   Publication Year 1979  [X]
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1Author    F. Ojeda, M. Flores, H. FolchRequires cookie*
 Abstract    The effect o f irradiation on the anti Ig binding ability o f lymphocytes after irradiation was studied. Norm al control and irradiated lym phoid cells were treated with rabbit anti mouse IgG fluorescein conjugated serum and the fluores­ cein positive cells compared. A reduction in the proportion o f stained cells in the irradiated lym phocytes was found. It depends on the dose and on the incubation tim e at 37 °C after irradiation. The m axim um effect was detected after 10 minutes o f incubation, longer incubation is associated with a partial recovery o f the stainability o f the IgG recep­ tors. 
  Reference    Z. Naturforsch. 34c, 888 (1979); received January 30 1979 
  Published    1979 
  Keywords    Lymphocytes, Receptors, Irradiation 
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 TEI-XML for    default:Reihe_C/34/ZNC-1979-34c-0888_n.pdf 
 Identifier    ZNC-1979-34c-0888_n 
 Volume    34 
2Author    H. Rainer, M. Aurer, Reinhard MaschlerRequires cookie*
 Title    The Influence of Spermine, Spermidine and Various Sera on T-Lymphocyte and Granulocyte Colony Growth in vitro  
 Abstract    Using T-lymphocyte (T-LC) and granulocyte colony (GC) assays with truly proliferating cells, the dose-response relationships of spermine and spermidine, of fetal calf (FCS), calf (CS), horse (HS) and human AB serum (A B S), and of the polyamines in the presence of selected does of the sera were analyzed. In contrast to earlier observations using [3H] thymidine uptake measure­ ments it was found that the polyamines as well as the sera themselves inhibit T-LC and GC growth in the presence of autologous HS and ABS, respectively. The polyamines also inhibit in the presence of additional HS and ABS, yet most effectively with added FCS and CS. Thus the previously reported species-specificity of the serum-dependent polyamine inhibition has here been shown to be more quantitative than qualitative. These studies stress the significance of assays utilizing truly dividing cells and broad dose-response relationships in order to assess specific biological effects in vitro. 
  Reference    Z. Naturforsch. 34c, 452 (1979); received January 16 1979 
  Published    1979 
  Keywords    Spermine, Spermidine, Human Serum, Lymphocyte, Granulocyte Colony Growth 
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 TEI-XML for    default:Reihe_C/34/ZNC-1979-34c-0452.pdf 
 Identifier    ZNC-1979-34c-0452 
 Volume    34