TGF- β -like activity produced during regression of exacerbations in multiple sclerosis

Abstract
Samples representative of different stages of disease from a longitudinal study of multiple sclerosis patients were tested in the anchorage-independent growth assay for TGF-β and an increased activity was detected in the supernatants from 2-day blood cell cultures from patients with active disease compared to patients without active disease and healthy donors. Within the group of patients with active disease, the TGF-β like activity was significantly increased in the subgroup of patients tested during the period of regression of the symptoms where it appeared in 86.9% of the samples. These results suggest that TGF-β or a TGF-β like factor may play a role in regeneration processes in multiple sclerosis.

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