Diverse expression patterns of LIM-homeodomain transcription factors (LIM-HDs) in mammalian inner ear development.

Diverse expression patterns of LIM-homeodomain transcription factors (LIM-HDs) in mammalian inner ear development.
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DOI:
10.1002/dvdy.21735
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发表时间:
2008-11
影响因子:
2.5
通讯作者:
Chen, Zheng-Yi
Chen, Zheng-Yi
中科院分区:
生物学3区
文献类型:
--
作者:
Huang, Mingqian;Sage, Cyrille;Li, Huawei;Xiang, Mengquig;Heller, Stefan;Chen, Zheng-Yi

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LIM-同源域转录因子(LIM-HD)对于组织模式和分化至关重要。但它们在内耳中的表达模式很大程度上是未知的。在这里,我们报告了对 12 个 LIM-HD 的研究,它们的时空模式意味着在发育中的小鼠内耳中具有不同但重叠的作用。 Lmx1a 和 Isl1 的表达开始于耳囊阶段,其中 Lmx1a 仅在非感觉上皮细胞中表达,Isl1 在原感觉上皮细胞中表达。 E12.5 的第二波表达包括具有细胞特异性的分化感觉上皮中的 Lhx3、5、9、Isl2 和 Lmx1b。除 Lmx1a 和 Lhx3 外,所有 LIM-HD 均在神经节神经元中表达。一种细胞类型内多个 LIM-HD 的表达表明它们具有冗余功能。
LIM-homeodomain transcription factors (LIM-HDs) are essential in tissue patterning and differentiation. But their expression patterns in the inner ear are largely unknown. Here we report on a study of twelve LIM-HDs, by their tempo-spatial patterns that imply distinct yet overlapping roles, in the developing mouse inner ear. Expression of Lmx1a and Isl1 begins in the otocyst stage, with Lmx1a exclusively in the non-sensory and Isl1 in the prosensory epithelia. The second wave of expression at E12.5 includes Lhx3, 5, 9, Isl2 and Lmx1b in the differentiating sensory epithelia with cellular specificities. With the exception of Lmx1a and Lhx3, all LIM-HDs are expressed in ganglion neurons. Expression of multiple LIM-HDs within a cell type suggests their redundant function.
DOI: 10.1007/s00335-006-0033-7
发表时间: 2006-10-01
期刊: MAMMALIAN GENOME
影响因子: 2.5
作者:
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