Han et al. demonstrated that H19-hsa-miR-519b-3p/hsa-miR-296-5p-ankylosis protein homolog (ANKH) and the lncRNA, c9orf163-hsa-miR-424-5p-CCNT1, may play important roles in osteonecrosis during femoral head development (Han and Li, 2021). This evidence concerns the gene H19 and osteonecrosis.