The sera of patients with hairy cell leukaemia (HCL) contain a factor which inhibits the binding of anti-IL-2R antibody to its target (activated T lymphocytes). The presence of this factor, which probably corresponds to the soluble form of IL-2R (sIL-2R), can be easily detected using a simple immunocytochemical inhibition assay. In a series of patients with chronic lymphoproliferative diseases the presence of sIL-2R appeared to be specific for HCL, using the sensitivity of our test, since it could not be detected in sera from normal subjects and patients with B-cell lymphocytic leukaemia or Hodgkin's disease. Thus it might be used as an additional tool for characterizing HCL patients.
Detection of a soluble form of the receptor for interleukin 2 in the serum of patients with hairy cell leukaemia
CHILOSI, Marco;PIZZOLO, Giovanni;CETTO, Gianluigi
1986-01-01
Abstract
The sera of patients with hairy cell leukaemia (HCL) contain a factor which inhibits the binding of anti-IL-2R antibody to its target (activated T lymphocytes). The presence of this factor, which probably corresponds to the soluble form of IL-2R (sIL-2R), can be easily detected using a simple immunocytochemical inhibition assay. In a series of patients with chronic lymphoproliferative diseases the presence of sIL-2R appeared to be specific for HCL, using the sensitivity of our test, since it could not be detected in sera from normal subjects and patients with B-cell lymphocytic leukaemia or Hodgkin's disease. Thus it might be used as an additional tool for characterizing HCL patients.
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