22(R)-hydroxycholesterol (22(R)-HC) is a liver X receptor (LXR) ligand and is a key for the receptor activation.. 22(R)-HC promotes mesenchymal stem cell osteogenesis along with other oxysterols. It also regulates cholesterol homeostasis and suppresses prostate tumor progression. Low levels of 22(R)-HC is observed in Alzheimerμs disease and may be implicated in neuroinflammation and neurodegenerative diseases.
