Periductal Fibroblast Density Defines Lymphocyte Exclusion via a CD44-Dependent Stromal Checkpoint in Pancreatic Cancer
Zoe X. Malchiodi, Alexander A. Lekan, Robert K. Suter, Atul M. Deshpande, Selime Arslan, Annabel J Lee, Nuan Wang, Ivana Peran, Brent T. Harris, Anju Duttargi, Min-Ju Chien, Samika Hariharan, Lucia Wetherill, Sandra A. Jablonski, Won Jin Ho, , Louis M. Weiner
The paper identifies periductal fibroblast density as a key factor in immune exclusion in pancreatic cancer, showing that CD44-dependent stromal checkpoints restrict leukocyte access to tumor epithelium.
Cancer Immunology Research · Jul 24, 2026Peer-reviewedCancer Biology