Transcriptional networks in liver and intestinal development.

Transcriptional networks in liver and intestinal development.
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DOI:
10.1101/cshperspect.a008284
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发表时间:
2012-09-01
影响因子:
7.2
通讯作者:
Kaestner KH
Kaestner KH
中科院分区:
生物学1区
文献类型:
--
作者:
Sheaffer KL;Kaestner KH

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胃肠道的发育是一个复杂的过程,使用独特的机制,并在很大程度上依赖于转录激活。在这里,我们讨论了原始肠道的区域化以及肠和肝脏的形成。在原始肠道中的前后定位对于建立将成为功能器官的区域是重要的。肠上皮和间充质之间的转录因子和信号因子的协调是肠道发育和内环境稳定所必需的。肝脏发育利用复杂的转录网络,这是器官结构域建立、细胞分化和成体功能所必需的。对这些转录机制的讨论让我们深入了解由简单的内胚层细胞组成的原始肠道是如何发育成多种不同的细胞类型,这些细胞类型被组织成非常复杂的功能成熟的器官。
Development of the gastrointestinal tract is a complex process that uses unique mechanisms and depends heavily on transcriptional activation. Here we discuss the regionalization of the primitive gut and formation of the intestine and liver. Anterior-posterior positioning in the primitive gut is important for establishing regions that will become functional organs. Coordination of transcription factors and signaling factors between the epithelium and mesenchyme is required for intestinal development and homeostasis. Liver development utilizes a complex transcriptional network that is required for organ domain establishment, cell differentiation, and adult function. Discussion of these transcriptional mechanisms gives us insight on how the primitive gut, composed of simple endodermal cells, develops into multiple diverse cell types that are organized into very complex functional mature organs.
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