Signal peptide-independent secretion of keratin-19 by pancreatic cancer cells
Philip Moresco, Jonathan P. Kastan, Jung‐In Yang, Rishvanth K. Prabakar, Z. Larkin Kelley, Francesca Minicozzi, Dexter W. Adams, Paolo Cifani, David Arthur Tuveson, Douglas T. Fearon
This study shows pancreatic cancer cells secrete keratin-19 (KRT19) without a signal peptide by entering the ER via its head domain and through secretory autophagy, enabling CXCL12 capture to exclude T cells.
Proceedings of the National Academy of Sciences · Jul 1, 2025Peer-reviewedCell Biology