Journal
CALCIFIED TISSUE INTERNATIONAL
Volume 111, Issue 4, Pages 345-366Publisher
SPRINGER
DOI: 10.1007/s00223-022-00998-6
Keywords
Osteogenesis imperfecta; Mouse models; Zebrafish models; Mechanism
Categories
Funding
- National Natural Science Foundation of China [81900805, 81970698, 81970708]
- Beijing Natural Science Foundation [7202216]
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Osteogenesis imperfecta, a heterogeneous disorder characterized by bone fragility, has been studied using genetic causes and animal models, which are important for clinical diagnosis and therapeutic approaches.
Osteogenesis imperfecta (OI) is a heterogeneous disorder characterized by bone fragility, multiple fractures, bone deformity, and short stature. In recent years, the application of next generation sequencing has triggered the discovery of many new genetic causes for OI. Until now, more than 25 genetic causes of OI and closely related disorders have been identified. However, the mechanisms of many genes on skeletal fragility in OI are not entirely clear. Animal models of OI could help to understand the cellular, signaling, and metabolic mechanisms contributing to the disease, and how targeting these pathways can provide therapeutic targets. To date, a lot of animal models, mainly mice and zebrafish, have been described with defects in 19 OI-associated genes. In this review, we summarize the known genetic causes and animal models that recapitulate OI with a main focus on engineered mouse and zebrafish models. Additionally, we briefly discuss domestic animals with naturally occurring OI phenotypes. Knowledge of the specific molecular basis of OI will advance clinical diagnosis and potentially stimulate targeted therapeutic approaches.
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