Expression of activin beta A in mouse tooth

Inhba; inhibin/activin beta A; follicle-stimulating hormone releasing protein; Frp; FSH releasing protein; FSH releasing factor; Erythroid differentiation factor; Edf

Species: mouse
Tooth: lower incisor
Method: in situ hybridization (radioactive), probe:

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

At E16 and E18 activin beta A is mainly expressed in the dental follicle..

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

Source references:
Wang,X.P., Suomalainen,M., Jorgez,C.J., Matzuk,M.M., Werner,S., and, Thesleff,I. (2004) Dev Cell 7(5):719-730

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Data last edited 09.12.2004 by M.K., page last created 10.12.2004 by P.N.