1984•Scandinavian Journal of ImmunologyRequires access

Decreased Cloning of Lymphocytes from Elderly Individuals

A. CHRYSOSTOMOU, R. Seshadri, Alexander A. Morley

Abstract

Limiting-dilution cloning of human lymphocytes was used to study cloning and proliferation of lymphocytes in 10 young and 10 elderly individuals. The cloning efficiency for elderly individuals, 3.5%, was significantly lower than that for young individuals, 19.8%. Mixing experiments showed that this decrease was due to both a decrease in the frequency of the clone-forming cells and a decrease in the interacting ability of the lymphocytes. Lymphocytes from elderly individuals which did form clones, however, proliferated at the same rate as did those from young individuals.

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Key concepts: Cloning (programming), clone (Java method), Limiting, Biology, Lymphocyte, Immunology, Molecular biology, Genetics