Stanford grows new cartilage in mice OA knees using resident skeletal stem-cells generated using microfracture (MF) surgery. MF-activated SSCs Rx w/ BMP2 and soluble VEGFR1 skewed differentiation toward articular cartilage. https://t.co/dkr1vgU9CF https://t.co/WpKpaDG2qf https://t.co/vi4VGqn0U0