TY - RPRT TI - Discovery of CD28-Targeted Small Molecule Inhibitors of T Cell Co-stimulation Using Affinity Selection-Mass Spectrometry (AS-MS) and Ex Vivo Validation AU - Upadhyay, S. AU - Cho, S. AU - Nada, H. AU - Gabr, M. PY - 2025 DO - 10.1101/2025.07.31.667814 UR - https://www.biorxiv.org/content/10.1101/2025.07.31.667814v1 ID - 10.1101/2025.07.31.667814 ER -