Chimeric antigen receptor-modified human regulatory T cells that constitutively express IL-10 maintain their phenotype and are potently suppressive by Mohseni, YR, Saleem, A, Tung, SL, Dudreiulh, C, Lang, C, Peng, Q, Volpe, A, Adigbli, G, Cross, A, Hester, J, Farzaneh, F, Scotta, C, Lechler, RI, Issa, F, Fruhwirth, GO, Lombardi, G