Cellular interactions during the development of autoimmunity in a fetal lamb model of self-antigen deprivation.

Abstract excerpt

Anti-thyroid autoimmune responses have been examined in fetal lambs, the immune systems of which had matured in the absence of exposure to thyroid-specific antigens. The lymphocytic infiltrate in self-thyroid tissue reintroduced into autoimmune lambs showed well-differentiated B and T cell domains. However, T cells from these fetuses were not sensitized against ovine thyroglobulin nor did serum antibodies appear...

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