Castiglioni A, Yang Y, Williams K, Gogineni A, Lane RS, Wang AW, Shyer JA, Zhang Z, Mittman S, Gutierrez A, et al. Combined PD-L1/TGFβ blockade allows expansion and differentiation of stem cell-like CD8 T cells in immune excluded tumors. Nat Commun. 2023;14(1):4703.