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amelogenin
Amelogenin is the name for a series of closely related proteins involved in amelogenesis, the development of enamel. They are a type of extracellular matrix (ECM) protein, which, together with ameloblastins, enamelins, and tuftelins direct the mineralization of enamel to form a highly organized matrix of rods, interrod crystal, and protein. Although the precise role of amelogenin(s) in regulating the mineralization process is unknown, it is known that amelogenins are abundant during amelogenesis. Developing human enamel contains about 30% protein, 90% of which are amelogenins.
== Function ==
Amelogenins are believed to be involved in the organizing of enamel rods during tooth development. The latest research indicates that these proteins regulate the initiation and growth of hydroxyapatite crystals during the mineralization of enamel. In addition, amelogenins appear to aid in the development of cementum by directing cementoblasts to the tooth's root surface.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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