Six2 activity is required for the formation of the mammalian pyloric sphincter.

Six2 activity is required for the formation of the mammalian pyloric sphincter.
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DOI:
10.1016/j.ydbio.2009.07.039
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发表时间:
2009-10-15
影响因子:
2.7
通讯作者:
Oliver, Guillermo
Oliver, Guillermo
中科院分区:
生物学3区
文献类型:
--
作者:
Self, Michelle;Geng, Xin;Oliver, Guillermo

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Six 2是含有同源结构域的转录因子so/Six家族的成员,其功能活性在哺乳动物肾器官发生过程中是必需的。我们现在已经确定Six 2活性对于幽门括约肌的形成也是必要的,幽门括约肌是胃-十二指肠连接处的功能性门,其抑制胃反流。我们的数据显示,已知对鸡幽门括约肌形成重要的几个基因(例如,Bmp 4、Bmpr 1b、Nkx2.5、Sox 9和Gremlin)似乎也是哺乳动物中形成这种结构所必需的。因此,我们建议Six 2活性调节这个基因网络在小鼠幽门括约肌的发生。
The functional activity of Six2, a member of the so/Six family of homeodomain-containing transcription factors, is required during mammalian kidney organogenesis. We have now determined that Six2 activity is also necessary for the formation of the pyloric sphincter, the functional gate at the stomach-duodenum junction that inhibits duodenogastric reflux. Our data reveal that several genes known to be important for pyloric sphincter formation in the chick (e.g., Bmp4, Bmpr1b, Nkx2.5, Sox9, and Gremlin) also appear to be required for the formation of this structure in mammals. Thus, we propose that Six2 activity regulates this gene network during the genesis of the pyloric sphincter in the mouse.
DOI: 10.1083/jcb.107.6.2341
发表时间: 1988-12
期刊: The Journal of cell biology
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