Expression of secreted phosphoprotein 1 in mouse tooth

Spp1; Bsp I; osteopontin (Opn); secreted phosphoprotein 1; bone sialoprotein; urinary stone protein; early T lymphocyte activation 1 (Eta1)

Species: mouse
Tooth: lower molar and incisor
Method: in situ hybridization (radioactive), probe: 150b

Secretory stage
Expression: odontoblasts
No expression: outer enamel epithelium, stratum intermedia, stellate reticulum, ameloblasts, dental papilla, dental sac

Root development
Expression: odontoblasts, cementoblasts
No expression: dental papilla, periodontal ligament

The expression was in the early odontoblasts..

Source references:
Bgue-Kirn,C., Smith,A.J., Loriot,M., Kupferle,C., Ruch,J.V., and, Lesot,H. (1994) International Journal of Developmental Biology 38(3):405-420
MacNeil,R.L., Berry,J., Strayhorn,C., and, Somerman,M.J. (1996) Archives of Oral Biology 41(8-9):827-835
Yamashiro,T., Tummers,M., and, Thesleff,I. (2003) Journal of Dental Research 82(3):172-176

Other references:
D'Errico,J.A., MacNeil,R.L., Takata,T., Berry,J., Strayhorn,C., and, Somerman,M.J. (1997) Bone 20(2):117-126
James,M.J., Jarvinen,E., and, Thesleff,I. (2004) Gene Expression Patterns 4(5):595-599

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Data last edited 29.03.2004 by M.K., page last created 10.12.2004 by P.N.