Oncogenic PTPN11/SHP2 drives immune escape in juvenile myelomonocytic leukemia (JMML) through activation of ectonucleotidase/adenosine signaling
Jovana Rajak, Ke Meng, Anna Lena Stippel, Jun Wang, Naile Koleci, Sheila Bohler, Alexandra Emilia Schlaak, Hui Xiao, Lukas M. Braun, Riccardo Masetti, Robert Zeiser, Christian Flotho, Daniel B. Lipka, Charlotte Marie Niemeyer, Luciana Hannibal, , Miriam Erlacher
This study identifies PTPN11/SHP2-driven adenosine signaling as a mechanism of immune escape in JMML, showing that CD39 inhibition can enhance T cell responses and reduce myeloproliferation.
bioRxiv · Oct 1, 2025 · PreprintCancer Biology