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  • Title: Distribution of serine esterase activity in the lymphoid system of C57BL/6 mice, effect of aging on the enzymatic activity.
    Author: Barja P, Freire M.
    Journal: Int J Biochem; 1993 Apr; 25(4):551-5. PubMed ID: 8467956.
    Abstract:
    1. The activity of serine esterase (SE) was investigated in the lymphoid system of C57BL/6 mice. SE activity increased in the lymphoid tissues with their content of mature T-lymphocytes, except that high levels were also observed in various populations of bone marrow cells. 2. The maturation of T-lymphocytes in the thymus was accompanied by an increase in their SE activity. 3. Experiments on the influence of age on SE activity showed that while thymocytes were not affected, a three-fold increase in activity occurs in spleen lymphocytes between the ages of 26 and 78 wk.
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