1986 年 23 巻 2 号 p. 131-133
Age-related alterations of the lymphocyte subsets as determined by the flow cytometry analyses and by the abilities to produce or accept interleukins were described. Experiments with the aged→young and young→aged radiation bone marrow chimeras suggested the central importance of the thymic environment rather than the stem cell itself in the age-related functions of the thymusderived lymohocytes.