function:Seems to play a role in mineralization.,tissue specificity:Expressed by osteoblasts. Secreted from oncogenic hypophosphataemic tumours.,
Secreted, extracellular space, extracellular matrix .
Expressed by osteoblasts (PubMed:10945470, PubMed:11414762, PubMed:15108058). Expressed by stem cells in dental pulp (PubMed:15153459). Expressed by mesenchymal cells in dental papilla and dental pulp (PubMed:18547474, PubMed:22341070). Expressed in teeth, specifically in decidious dentin (PubMed:20581062). Expressed in ondotoblasts (PubMed:12489176). Expressed in salivary glands (PubMed:15329369). Secreted from oncogenic hypophosphatemic tumors (PubMed:11414762).