[Suppression of delayed hypersensitivity in mice receiving a massive dose of xenogeneic erythrocytes]
[Article in
Russian]
- PMID: 160253
Item in Clipboard
[Suppression of delayed hypersensitivity in mice receiving a massive dose of xenogeneic erythrocytes]
[Article in
Russian]
Biull Eksp Biol Med.
1979 Dec.
Abstract
The injection of 6x109 sheep red blood cells to mice suppresses delayed-type hypersensitivity (DTH) in situ and activates spleen cells which prevent sensitization of recipients. Preliminary thymectomy of donors and the treatment of cell suspensions with anti-T-globulin abolish suppression of DTH. Pretreatment of mice with low doses of cyclophosphamide (CY) enhances antibody formation and DTH. Higher doses of CY increase the DTH reaction but inhibit antibody formation. The data obtained allow to conclude that suppression of DTH is due to the activity of short-living, intensively proliferating cells of thymic origin and possibly to B cells.
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