Knockdown of Gfi1 increases BMSCs exosomal miR-150-3p to inhibit osteoblast ferroptosis in steroid-induced osteonecrosis of the femoral head through BTRC/Nrf2 axis.

The ferroptosis of osteoblasts has been demonstrated to play a significant role in the development of steroid-induced osteonecrosis of the femoral head (SONFH). Additionally, microRNAs (miRNAs) have been identified as regulators of SONFH progression. However, the precise role of miRNAs in the regulation of osteoblast ferroptosis remains unclear.