ANGPTL4 binds to the leptin receptor to regulate ectopic bone formation

Abstract excerpt

Leptin protein was thought to be unique to leptin receptor (LepR), but the phenotypes of mice with mutation in LepR [ db/db (diabetes)] and leptin [ ob/ob (obese)] are not identical, and the cause remains unclear. Here, we show that db/db , but not ob/ob , mice had defect in tenotomy-induced heterotopic ossification (HO), implicating alternative ligand(s) for LepR might be involved. Ligand screening revealed that...

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