The tick tock of odontogenesis.

The tick tock of odontogenesis.
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DOI:
10.1016/j.yexcr.2014.02.007
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发表时间:
2014-07-15
影响因子:
3.7
通讯作者:
Papagerakis, Petros
Papagerakis, Petros
中科院分区:
医学3区
文献类型:
--
作者:
Zheng, Li;Ehardt, Lauren;McAlpin, Blake;About, Imad;Kim, Doohak;Papagerakis, Silvana;Papagerakis, Petros

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尽管大量的牙科研究都集中在了解牙齿发育的早期阶段,但我们对牙齿硬组织如何形成以及如何日常控制这一过程以产生适合特定功能的非常复杂和多样化的牙齿形状的知识存在巨大差距。新的证据表明,时钟基因(控制我们体内昼夜节律功能的基因家族)也调节牙齿矿化组织的形成。例如,牙釉质的形成受到短时间(24 小时)内发生的有节奏的分子信号的影响,并控制牙釉质基质的分泌和成熟。因此,基因表达和成釉细胞功能也以每天固定的间隔受到严格调节。这篇综述总结了当前关于牙齿矿化组织发育的昼夜节律控制的知识,特别强调了釉质生成。
Although a big deal of dental research is being focused to the understanding of early stages of tooth development, a huge gap exist on our knowledge on how the dental hard tissues are formed and how this process is controlled daily in order to produce very complex and diverse tooth shapes adapted for specific functions. Emerging evidence suggests that clock genes, a family of genes that controls circadian functions within our bodies, regulate also dental mineralized tissues formation. Enamel formation, for example, is subjected to rhythmical molecular signals that occur on short (24 hour) periods and control the secretion and maturation of the enamel matrix. Accordingly, gene expression and ameloblast functions are also tightly modulated in regular daily intervals. This review summarizes the current knowledge on the circadian controls of dental mineralized tissues development with a special emphasis on amelogenesis.
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