LUNATIC FRINGE, SOMITOGENESIS AND SEGMENTATION CLOCKS
疯狂边缘、体细胞发生和分段时钟
基本信息
- 批准号:6385086
- 负责人:
- 金额:$ 2.1万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:1999
- 资助国家:美国
- 起止时间:1999-08-01 至
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
During development, the establishment of boundaries within fields of cells can direct their future growth and patterning. Fringe has been shown to play an important role in the establishment of these boundaries during Drosophila development. Mammalian homologs of fringe have been identified and evidence suggests that they play a similar role in vertebrate patterning. Specifically, Lunatic fringe (Lfng) has been shown to be involved in establishing developmental boundaries during somitogenesis, and has further been demonstrated to be linked to a newly described segmentation clock that regulates somitogenesis. Mouse transgenesis will be used to functionally identify cis-acting regulatory elements that control the precise tissue and developmentally restricted expression of Lfng, and that tie its expression pattern to a segmentation clock. Localization of these regions will facilitate the identification of these regulatory elements on a DNA level. These regulatory regions will also play a critical role in studies of functional overlap within the fringe gene family by permitting controlled ectopic expression of other family members in the expression pattern of Lfng. Fringe proteins play a key role in the modulation of the Notch signaling pathway, thus these studies will be directly relevant to determining the role and regulation of this pathway in normal development. This pathway has been implicated in several human diseases including cancer, Alagille syndrome and CADASIL syndrome, and the further studies of these health problems will be enhanced by increased knowledge of the underlying biology.
在发育过程中,细胞场内边界的建立可以指导它们未来的生长和模式。 在果蝇的发育过程中,条纹在这些边界的建立中起着重要的作用。 哺乳动物的边缘同源物已被确定,有证据表明,它们在脊椎动物的图案中起着类似的作用。具体而言,Lunatic fringe(Lfng)已被证明参与在体节发生过程中建立发育边界,并已进一步被证明与一个新描述的调节体节发生的分割时钟有关。 小鼠转基因将用于功能性鉴定顺式作用调控元件,其控制Lfng的精确组织和发育限制性表达,并将其表达模式与分割时钟联系起来。 这些区域的定位将有助于在DNA水平上鉴定这些调控元件。 这些调控区也将发挥关键作用,在边缘基因家族内的功能重叠的研究,允许控制异位表达的其他家庭成员的表达模式的Lfng。 边缘蛋白在Notch信号通路的调节中起关键作用,因此这些研究将直接相关于确定该通路在正常发育中的作用和调节。 这一途径与几种人类疾病有关,包括癌症、Alagille综合征和CADASIL综合征,对这些健康问题的进一步研究将通过增加对潜在生物学的了解而得到加强。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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SUSAN E COLE其他文献
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{{ truncateString('SUSAN E COLE', 18)}}的其他基金
Identification and analysis of chicken DLL3 as a segmentation clock component
作为分段时钟组件的小鸡DLL3的识别与分析
- 批准号:
10303586 - 财政年份:2021
- 资助金额:
$ 2.1万 - 项目类别:
Identification and analysis of chicken DLL3 as a segmentation clock component
作为分段时钟组件的小鸡DLL3的识别与分析
- 批准号:
10457452 - 财政年份:2021
- 资助金额:
$ 2.1万 - 项目类别:
Notch ligand glycosylation as a mechanism to regulate pathway cis-inhibition
Notch配体糖基化作为调节顺式抑制途径的机制
- 批准号:
9789686 - 财政年份:2018
- 资助金额:
$ 2.1万 - 项目类别:
Examining post-transcriptional regulation of the segmentation clock by microRNAs
检查 microRNA 对分段时钟的转录后调节
- 批准号:
7773417 - 财政年份:2010
- 资助金额:
$ 2.1万 - 项目类别:
Examining post-transcriptional regulation of the segmentation clock by microRNAs
检查 microRNA 对分段时钟的转录后调节
- 批准号:
8053365 - 财政年份:2010
- 资助金额:
$ 2.1万 - 项目类别:
LUNATIC FRINGE, SOMITOGENESIS AND SEGMENTATION CLOCKS
疯狂边缘、体细胞发生和分段时钟
- 批准号:
6179324 - 财政年份:1999
- 资助金额:
$ 2.1万 - 项目类别:
LUNATIC FRINGE, SOMITOGENESIS AND SEGMENTATION CLOCKS
疯狂边缘、体细胞发生和分段时钟
- 批准号:
6013464 - 财政年份:1999
- 资助金额:
$ 2.1万 - 项目类别:
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