A conserved element in the first intron of Cd4 has a lineage specific, TCR signal-responsive, canonical enhancer function that matches the timing of cell surface CD4 upregulation required to prevent lineage choice error - Swan, Gregory A.; Fujii, Chika; Guzynski, Mia E.; Page, Sheridan M.; Meyers, Isabelle V.; Penev, Yordan P.; Littleton, Sejiro; Azzahra, Adinda; Richardson, Christine; Sarafova, Sophia D. (Frontiers in Immunology, 2025)