Exosomal circZNF638 promotes postmenopausal osteoporosis progression through MGAT1-mediated SMAD9 glycosylation.

Key Points

• The research aims to explore the role of exosomal circZNF638 in the progression of postmenopausal osteoporosis and its molecular mechanisms.
• Examined exosomal circZNF638 derived from osteoclasts
• Investigated the role of MGAT1 in N-glycosylation
• Analyzed the impact on SMAD9 expression and function
• Exosomal circZNF638 was found to significantly promote the progression of postmenopausal osteoporosis
• MGAT1-mediated N-glycosylation of SMAD9 was a critical mechanism identified
• Insights into molecular interactions that contribute to osteoporosis were gained.