CD40 engagement of CD4+ CD40+ T cells in a neo-self antigen disease model ablates CTLA-4 expression and indirectly impacts tolerance.
Carter J, Vaitaitis GM, Waid DM, Wagner DH. CD40 engagement of CD4+ CD40+ T cells in a neo-self antigen disease model ablates CTLA-4 expression and indirectly impacts tolerance. Eur J Immunol. 2012 Feb; 42(2):424-35.