C-terminus CD28 phosphorylation (Y218) modulates IL-2 secretion and antitumor effect of CAR-T cells
Elena Martinez Planes, Maria Cecilia Ramello, Miguel Gomez Fontela, Mohammad-Reza Shokri, Lancia N. F. Darville, John Koomen, Youngchul Kim, Daniel Abate‐Daga
This study identifies Y218 phosphorylation in CD28 as critical for IL-2 secretion and antitumor efficacy of CAR-T cells, showing that enhancing ITK recruitment improves therapeutic outcomes.
bioRxiv · Feb 1, 2026 · PreprintImmunology