Rapid expansion of podoplanin-positive fibroblasts following radiation limits the anti-tumour CD8+ T-cell response to radiotherapy.
Anna Clare Wilkins, Spyridon Makris, Mary J. Green, Steven Hooper, Anna Mikolajczak, Giovanni Giangreco, Srinivas Allanki, Emma L. Nye, Emma Connick, Richard Mitter, Sam Cooper, Emily Durie, Malin Pedersen, Amy Burley, Katie O’Fee, , Erik A. Sahai
This study shows that radiation-induced podoplanin-positive fibroblasts limit CD8+ T-cell access to tumour cells, reducing radiotherapy effectiveness, and that disrupting PDPN signaling enhances tumour control.
bioRxiv · Oct 7, 2025 · PreprintCancer Biology