John J. Letterio

John J. Letterio is a Professor in the Department of Pediatrics at Case Western Reserve University's School of Medicine, serving as Co-Leader of the Developmental Therapeutics Program at the Case Comprehensive Cancer Center and Division Chief of Pediatric Oncology at University Hospitals. His research focuses on TGF-β signaling in immune cell development, tumor suppression, and oncogenesis. He holds leadership roles in pediatric hematology/oncology at multiple medical institutions.

Research interests include TGF-β’s role in hematopoiesis, immune disorders, and cancer pathogenesis, with emphasis on tumor suppressor functions and B-cell neoplasia. His work utilizes murine models to study molecular mechanisms of TGF-β isoforms and signaling intermediates like Smad proteins.

Recent publications span immunology, oncology, and molecular biology, addressing topics like osteoclast biology, Nrf2 signaling in disease, and cancer clinical service disparities. No scientific awards are explicitly listed in the provided texts.

Advising and grants are not detailed, but his research has explored collaborations in lymphoma biology and plasmacytoma models. No specific lab/teams are named, though his work involves compound mouse mutant analyses and interdisciplinary cancer research.