Functional studies of BCL11A: characterization of the conserved BCL11A-XL splice variant and its interaction with BCL6 in nuclear paraspeckles of germinal center B cells. de réir Liu, H, Ippolito, G, Wall, J, Niu, T, Probst, L, Lee, B, Pulford, K, Banham, A, Stockwin, L, Shaffer, A, Staudt, L, Das, C, Dyer, M, Tucker, P