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The originality of Dr. Ayrault’s team lies on the characterization of the putative relationship existing between mechanisms implicated into cerebellar development and medulloblastoma formation in order to uncover signaling pathway alterations and generate novel therapeutic strategies. As many tumor cells closely resemble to normal cells at a precise stage of the development, Dr. Ayrault foresees that his study will not only reinforce this new conceptual view of tumor cell biology but might also be generalized in oncogenesis. Medulloblastoma is the most common malignant pediatric brain tumor. Medulloblastoma are divided in four subgroups. Two of them, Group 3 (G3) and Group 4 (G4), are still poorly understood. While genomic and transcriptomic analysis revealed key features of medulloblastoma subgroups, they have not totally revealed functional mechanisms implicated in G3/G4. Yet, a recent study from this group reveals that proteomic analysis may unveil unsuspected biological modifications in G3 and G4 medulloblastomas. Ultimately, by developing innovative technologies as well as investigating the crosstalk between developmental neurobiology and pediatric brain cancer, Dr. Ayrault hopes to fill the existing gap of knowledge in pediatric brain tumors and lead to major breakthroughs. The St. Baldrick’s Robert J. Arceci Innovation Award is given in honor of the late Dr. Robert Arceci. A pioneer in the field, this award reflects Dr. Arceci's values including creativity, collaboration, and commitment to early- to mid-career scientists.