CYP27A1 and type 1 diabetes mellitus: Skin AGEs and serum AGEs (pentosidine, carboxymethyl-lysine) were not associated with bone mineral density, trabecular bone score, serum bone turnover markers (CTX, P1NP, osteocalcin), and sclerostin in 106 participants with type 1 diabetes and 65 controls without diabetes.