Expression of connexin43 in rat tooth

Gja1; gap junction membrane channel protein alpha 1; CX43

Species: rat
Tooth: lower molar and incisor
Method: immunochemistry, antibody: polyclonal, monoclonal

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

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

In incisors CX43 was found in the late pre-odontoblast stage and gradually increased during odontoblast maturation..

Source references:
Fried,K., Mitsiadis,T.A., Guerrier,A., Haegerstrand,A., and, Meister,B. (1996) International Journal of Developmental Biology 40:985-995
Murakami,S., Muramatsu,T., and, Shimono,M. (2001) Anatomy & Embryology 203(5):367-374

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