Medical Definition of Osteopontin
1.
Bone specific sialoprotein (57 kD: probably two similar peptides) that links cells and the hydroxyapatite of mineralised matrix, has RGD sequence. Found only in calcified bone, probably produced by osteoblasts.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
Lexicographical Neighbors of Osteopontin
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