AUTHOR=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. TITLE=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 JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1469402 DOI=10.3389/fimmu.2024.1469402 ISSN=1664-3224