Hairy cells possess more interferon receptors than other lymphoid cell types

Dadmarz, R., Evans, T. , Secher, D., Marshall, N. and Cawley, J. (1987) Hairy cells possess more interferon receptors than other lymphoid cell types. Leukemia, 1(4), pp. 357-361. (PMID:2959825)

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To investigate the possible direct effects of alpha-interferon (IFN-alpha) in hairy cell leukemia, IFN-alpha receptor expression by hairy cells (11 cases) was measured by a radiolabeling technique and compared with that of MOLT-4, chronic lymphocytic leukemia (15 cases), and various other leukemic and normal cell types. Purified peripheral blood and splenic hairy cells showed higher levels of receptor expression (approximately 1,000 +/- 200 binding sites/cell; 11 cases tested) than other normal and leukemic cell types. B cells from normal blood and tonsils showed low levels of receptors (approximately 120 +/- 100 binding sites/cell), while a range of B cell leukemias displayed intermediate levels of expression (100-500 sites/cell). In the 15 cases of chronic lymphocytic leukemia tested, 530 +/- 330 binding sites/cell) were demonstrated, the high standard deviation reflecting the fact that one third of cases had receptor levels comparable with those in hairy cell leukemia. Normal and hairy cell leukemia T cells, red cells, and platelets had no demonstrable IFN-receptors. These findings may be relevant to the efficacy of IFN in hairy cell leukemia.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Evans, Professor Tom
Authors: Dadmarz, R., Evans, T., Secher, D., Marshall, N., and Cawley, J.
College/School:College of Medical Veterinary and Life Sciences > Institute of Infection Immunity and Inflammation
Journal Name:Leukemia
Publisher:Nature Publishing Group
ISSN (Online):1476-5551

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