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  • Title: Expression patterns of the Fam83h gene during murine tooth development.
    Author: Lee MJ, Lee SK, Lee KE, Kang HY, Jung HS, Kim JW.
    Journal: Arch Oral Biol; 2009 Sep; 54(9):846-50. PubMed ID: 19545854.
    Abstract:
    AIM: Recently a novel gene, FAM83H, was identified by a genetic linkage study in the hypocalcified form of the amelogenesis imperfecta family with an autosomal dominant hereditary pattern. Little is known about this novel gene, and so we investigated the expression pattern of Fam83h in murine tooth development using serial sectional in situ hybridisation. METHODS AND MATERIALS: Using mandibles of ICR mouse at specific developmental stages, in situ hybridisation was performed by DIG-labeled RNA probe. RESULTS: Faint expression was detected in limited cells at embryonic day 14 (E14) in the molar. At the bell stage, E16, Fam83h was localised in the outer and inner enamel epithelium, as well as dental papilla. Fam83h expression begins on E15 in the developing incisor. At E18, Fam83h was expressed in the inner enamel epithelium of the apical bud, ameloblasts and odontoblasts. The expression was stronger in the presecretory stages than the secretory stages. CONCLUSION: Fam83h was detected in the ameloblasts from the presecretory to the secretory stage, and also the odontoblasts layer and surrounding alveolar bone.
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