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Heterogeneity of changes in lymphoproliferative ability with increasing age
Journal article   Peer reviewed

Heterogeneity of changes in lymphoproliferative ability with increasing age

Donna M. Murasko, Barbara J. Nelson, Deborah Matour, I.Michael Goonewardene and Donald Kaye
Experimental gerontology, v 26(2)
1991
PMID: 1915696

Abstract

aging genetic variation interleukin-2 mitogen-induced lymphoproliferation space-flight
Although mean mitogen-induced lymphoproliferation decreases with increased age, the response of individual subjects demonstrates great heterogeneity. Results of this study clearly illustrate that individual variation is apparent not only in the level of proliferation, but also in the amount of interleukin-2 (IL-2) detectable after mitogen stimulation. Further, addition of exogenous IL-2 significantly increases proliferation in only about one third of elderly subjects. Data from inbred strains of rats housed under identical environmental conditions indicate that although genetic factors greatly influence both the level of proliferation and the rate of decline with age, variation occurs even within one inbred strain of rat.

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Web of Science research areas
Geriatrics & Gerontology
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