Expression of Egr1 in mouse tooth

early growth response gene 1; nerve growth factor induced clone A (Ngfia); Krox 24; NGF1-A; TIS 8; zif 268

Species: mouse
Location in mouse genome: chromosome 18, 35018339 - 35023498 (UCSC, assembly October 2003)
Tooth: lower molar
Method: in situ hybridization (radioactive), probe: 295b

Initiation stage
No expression: oral epithelium, dental epithelium, dental mesenchyme

Bud stage
Expression: dental mesenchyme
No expression: oral epithelium, dental epithelium

Cap stage
Expression: outer enamel epithelium, inner enamel epithelium, dental papilla
No expression: oral epithelium, enamel knot, stellate reticulum, dental sac

Bell stage
Expression: outer enamel epithelium, stellate reticulum, dental papilla, dental sac
No expression: oral epithelium, inner enamel epithelium, stratum intermedia

Late bell
(differentiation) stage
Expression: outer enamel epithelium, preameloblasts, dental papilla, dental sac, preodontoblasts
No expression: stratum intermedia, stellate reticulum

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

Source references:
Karavanova,I., Vainio,S., and, Thesleff,I. (1992) Mechanisms of Development 39(1-2):41-50

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Data last edited 30.03.2004 by M.K., page last created 10.12.2004 by P.N.