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Similar effects of ...
Similar effects of treatment with alpha interferon on the protein synthesis of human large granular lymphocytes, T cells, and monocytes.
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Gustafsson, A (författare)
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- Ny, Tor (författare)
- Umeå universitet,Institutionen för medicinsk kemi och biofysik
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Lundgren, E (författare)
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(creator_code:org_t)
- 1985
- 1985
- Engelska.
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Ingår i: Scandinavian Journal of Immunology. - 0300-9475 .- 1365-3083. ; 22:5, s. 519-28
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- Preparations of human large granular lymphocytes (LGL), T cells, and monocytes (MC) were obtained through centrifugation on Percoll gradients and preparative E-rosetting. The different preparations contained more than 80% of the appropriate cell type, as judged by their ability to lyse 51Cr-labelled K562 cells, cell morphology, and the presence of cell surface structures recognized by the OKT3, OKT10, Leu 7 and OKM1 monoclonal antibodies. The protein synthesis is unstimulated and alpha interferon (IFN-alpha)-treated cells of the different types was studied by subjecting 35S-methionine-labelled cell extracts to two-dimensional gel electrophoresis. The general pattern of protein synthesis in LGL and T cells was virtually identical, whereas at least 7 major proteins were synthesized at a higher rate in monocytes. The effects of IFN-alpha on the protein synthesis of LGL and T cells were identical, IFN-alpha increasing the rate of synthesis of 9 proteins. These proteins were also expressed, but not always IFN-augmentable, in monocytes. No additional, cell-type associated, IFN-inducible proteins were found. This suggests that the augmenting effect of IFN-alpha on the cytotoxic capacity of LGL, T cells, and monocytes may be to affect common steps in their lytic machineries.
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