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Effect of thymic hormones on induction of experimental allergic encephalomyelitis in old mice
1Division of Demyelinating Disease and Aging, National Center of Neurology and Psychiatry, Tokyo.
This study was aimed at restoring decreased T-cell functions and reduced susceptibility to proteolipid apoprotein (PLP) induced-experimental allergic encephalomyelitis (EAE) in old mice with thymic hormones. Thymosin fraction 5 (TF-5) and serum thymic factor (FTS) had no significant in vitro and in vivo effect on proliferative responses to PLP and concanavalin A (Con A), and on EAE induction in young and old mice. These results suggest that decreased T-cell functions cannot be restored by these thymic hormones tested.
This study was aimed at restoring decreased T-cell functions and reduced susceptibility to proteolipid apoprotein (PLP) induced-experimental allergic encephalomyelitis (EAE) in old mice with thymic hormones. Thymosin fraction 5 (TF-5) and serum thymic factor (FTS) had no significant in vitro and in vivo effect on proliferative responses to PLP and concanavalin A (Con A), and on EAE induction in young and old mice. These results suggest that decreased T-cell functions cannot be restored by these thymic hormones tested.