Multiparameter Analysis of Human Lymphocyte Subpopulations Using Flow Cytometry

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Abstract
This review has emphasized several recent advances in our understanding of human lymphocyte biology made possible by mAbs that recognize specific functional subpopulations of lymphocytes, coupled with multiparameter flow-cytometric analysis. In the last 3 years, both the T4+ and T8+ subsets of T cells have been further divided according to function and appearance of specific cell surface antigens. In addition, subpopulations of NK cells with different maturation states and B cells with distinct functional abilities have been discovered. Multiparameter flow-cytometric analysis of lymphocyte subpopulations can provide clues to the pathogenetic mechanisms of immune disorders, as has been demonstrated in AIDS patients and children with JRA [juvenile rheumatoid arthritis]. The use of multiparameter flow-cytometric analysis to study human immune responses in vitro has enabled a clearer understanding of the complex lymphoid interactions and, as we believe, may play an important role in the analysis of immune-associated disease processes.