Dr. Xu Cao is a professor of orthopaedic surgery at Johns Hopkins School of Medicine. His research focuses on the role of bone marrow mesenchymal stem cells (MSCs) in bone remodeling, osteoporosis and osteoarthritis.
His team is currently researching the mechanism of coupling bone resorption and formation, MSCs in subchondral bone remodeling and osteoarthritis and the role of Smad1 in osteoblast differentiation of MSCs.