Title: List of matrix proteins

osteocalcin

- binds calcium
- attracts osteoclasts

osteopontin

- cell-binding protein
- anchors osteoclasts to mineralized matrix

osteonectin

- binds calcium
- regulation of mineralization

sialoprotein

- important in cell attachment

thrombospondin

- binds calcium
- important in cell attachment

serum proteins

- (as in serum, albumin increased)