Biochemical Bone Turnover Markers and Osteoporosis in Older Men: Where Are We?

Table 1

Biochemical bone turnover markers.

Bone formation
Osteocalcin (OC)
Bone alkaline phosphatase (bone ALP)
N-terminal propeptides of type I procollagen (PINP)
C-terminal propeptides of type I procollagen (PICP)
Bone resorption
C-terminal cross-linking telopeptides of type I collagen (CTX-I),
N-terminal cross-linking telopeptides of type I collagen (NTX-I)
C-terminal cross-linking telopeptide of type I collagen generated by matrix metalloproteinases (CTX-MMP, ICTP)
Helical peptide 620–633 of the a1 chain
Deoxypyridinoline (DPD)
Pyridinoline (PYD)
Isoform 5b of tartrate resistant acid phosphatase (TRACP5b)