Molecular genetics of tooth development.

Molecular genetics of tooth development.
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DOI:
10.1016/j.gde.2009.09.002
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发表时间:
2009-10
影响因子:
4
通讯作者:
Bei, Marianna
Bei, Marianna
中科院分区:
生物学2区
文献类型:
--
作者:
Bei, Marianna

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器官发生依赖于一系列有序的诱导事件,涉及调节特定细胞类型的生成和模式的分子途径的协调。器官发生中的关键问题涉及蛋白质相互作用以组织不同模式形成和细胞命运决定的分子机制的鉴定。牙齿发育是一个很好的背景下调查这个复杂的问题,因为丰富的信息出现在模式生物和人类突变的研究。由于成年人牙齿中没有明显的干细胞来源,因此任何重新创造牙齿的尝试都可能需要重新编程其他类型的细胞。因此,对胚胎中正常牙齿形成的控制机制的基本理解将有助于我们了解细胞命运的特异性,并可能为牙齿器官再生提供有价值的信息。
Organogenesis depends upon a well-ordered series of inductive events involving coordination of molecular pathways that regulate the generation and patterning of specific cell types. Key questions in organogenesis involve the identification of the molecular mechanisms by which proteins interact to organize distinct pattern formation and cell fate determination. Tooth development is an excellent context for investigating this complex problem because of the wealth of information emerging from studies of model organisms and human mutations. Since there are no obvious sources of stem cells in adult human teeth, any attempt to create teeth de novo will likely require the re-programming of other cell types. Thus, the fundamental understanding of the control mechanisms responsible for normal tooth patterning in the embryo will help us understand cell fate specificity and may provide valuable information towards tooth organ regeneration.
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