Mechanical and Other Directional Signals Controlling Vertebrate Planar Cell Polarity
控制脊椎动物平面细胞极性的机械和其他方向信号
基本信息
- 批准号:BB/N016173/1
- 负责人:
- 金额:$ 48.38万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2016
- 资助国家:英国
- 起止时间:2016 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In the past twenty-five years there has been dramatic progress in our ability to take embryonic cells and guide them biochemically to become a range of different specific cell types. This knowledge promises to allow us to use such cells to repair or replace damaged or diseased cells in the body. Medical advances in this area are known as "regenerative medicine" and the types of cells used as the starting material are called "stem cells" and our expertise with these has been built on a foundation of basic developmental biology. The next frontier is to go beyond control of cell type and begin to understand the assembly of complex tissues and structures - "morphogenesis" - since it is the architecture of tissues that is critical for their function. To achieve this understanding it is necessary to break down morphogenesis into its constituent processes. One such process is convergent extension (CE) in which tissue narrows and lengthens by self-organised directional rearrangement of its cells. This process requires the function of a set of molecules referred to as the Wnt-PCP pathway. Wnt is a soluble molecule that can diffuse through tissue and it has been thought that it provides a long-range directional cue for the direction of rearrangements in CE. However, there are hints that Wnt may not be the cue, or not the only cue: work in Drosophila fly embryos and some in Xenopus, including our own, has suggested that mechanical force can align the orientation of CE and PCP molecules within cells. This project will test (1) whether mechanical force, either self-organised or externally applied, aligns CE in tissues, (2) whether tissue boundaries of different types can themselves provide the orientation cues for CE and (3) whether Wnt itself can re-orientate CE with or without mechanical force. Together these experiments will give us a good idea about how CE is normally orientated and therefore how we might control its orientation ultimately to enable the sculpting of tissue architectures for the purposes of regenerative medicine.
在过去的25年里,我们在获取胚胎细胞并通过生物化学方法引导它们成为一系列不同的特定细胞类型方面取得了巨大的进步。这一知识有望使我们能够使用这些细胞来修复或替换体内受损或患病的细胞。这一领域的医学进展被称为“再生医学”,用作起始材料的细胞类型被称为“干细胞”,我们在这些方面的专业知识建立在基础发育生物学的基础上。下一个前沿是超越细胞类型的控制,开始理解复杂组织和结构的组装-“形态发生”-因为组织的结构对它们的功能至关重要。为了达到这一理解,有必要将形态发生分解成其组成过程。一个这样的过程是会聚延伸(CE),其中组织通过其细胞的自组织定向重排而变窄和变长。这一过程需要一组被称为Wnt-PCP途径的分子发挥作用。Wnt是一种可溶性分子,可以扩散通过组织,它被认为是提供了一个远程的方向线索,在CE重排的方向。然而,有迹象表明,Wnt可能不是线索,或者不是唯一的线索:在果蝇胚胎和非洲爪蟾(包括我们自己的)中的工作表明,机械力可以使细胞内CE和PCP分子的方向对齐。该项目将测试(1)机械力(无论是自组织的还是外部施加的)是否会使组织中的CE对齐,(2)不同类型的组织边界本身是否可以为CE提供方向线索,以及(3)Wnt本身是否可以在有或没有机械力的情况下重新定向CE。总之,这些实验将为我们提供一个关于CE通常如何定向的好主意,因此我们最终将如何控制其方向,以实现再生医学目的的组织结构造型。
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Systems morphodynamics: understanding the development of tissue hardware.
系统形态动力学:了解组织硬件的发展。
- DOI:10.1098/rstb.2016.0505
- 发表时间:2017
- 期刊:
- 影响因子:0
- 作者:Mao Y
- 通讯作者:Mao Y
Cellular systems for epithelial invagination.
- DOI:10.1098/rstb.2015.0526
- 发表时间:2017-05-19
- 期刊:
- 影响因子:0
- 作者:Pearl EJ;Li J;Green JB
- 通讯作者:Green JB
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Jeremy Green其他文献
Interaction of p72 syk with the gand bSubunits of the High-Affinity Receptor for Immunoglobulin E, FcεRI
p72 syk 与免疫球蛋白 E、FcεRI 高亲和力受体 gand b 亚基的相互作用
- DOI:
- 发表时间:
1995 - 期刊:
- 影响因子:0
- 作者:
L. Shiue;Jeremy Green;O. Green;J. Karas;J. Morgenstern;M. Ram;Marta K. Taylor;M. Zoller;L. Zydowsky;J. Bolen;Andjoans . Brugge;Bristol - 通讯作者:
Bristol
Utilizing the Zebrafish Neurophenome Project (ZNP) Database for Analyses of Complex Neurophenotypes in Zebrafish Models
利用斑马鱼神经表型项目 (ZNP) 数据库分析斑马鱼模型中的复杂神经表型
- DOI:
- 发表时间:
2012 - 期刊:
- 影响因子:0
- 作者:
I. Zapolsky;Evan J. Kyzar;Jeremy Green;Siddharth Gaikwad;Mimi Pham;Simon Chanin;Caroline M. Fryar;Jonathan Hester;Sidarth Bagawandoss;J. Raymond;Joseph Enriquez;A. Stewart;A. Kalueff - 通讯作者:
A. Kalueff
The Use of a Novel Artificial Intelligence Platform for the Evaluation of Rhytids.
使用新型人工智能平台评估皱纹。
- DOI:
10.1093/asj/sjac200 - 发表时间:
2022 - 期刊:
- 影响因子:2.9
- 作者:
Steve G. Yoelin;Jeremy Green;Fauad Hasan;Brom Mahbod;B. Khan;S. Dhawan;Akash S Dhawan - 通讯作者:
Akash S Dhawan
The offshore city, Chinese finance, and British capitalism: Geo-economic rebalancing under the Coalition government
离岸城市、中国金融和英国资本主义:联合政府下的地缘经济再平衡
- DOI:
- 发表时间:
2018 - 期刊:
- 影响因子:0
- 作者:
Jeremy Green - 通讯作者:
Jeremy Green
Report on the 1998 evaluation trials of the High Precision Acoustic Surveying System (HPASS)
- DOI:
10.1016/s1057-2414(99)80009-0 - 发表时间:
1999-02-01 - 期刊:
- 影响因子:
- 作者:
Jeremy Green;Alec Duncan - 通讯作者:
Alec Duncan
Jeremy Green的其他文献
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{{ truncateString('Jeremy Green', 18)}}的其他基金
Mechanisms of ventral body wall closure
腹侧体壁闭合机制
- 批准号:
BB/W01730X/1 - 财政年份:2023
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
Assessment of double ovulation to halve Xenopus laevis use for eggs
评估双排卵以将非洲爪蟾产卵量减半
- 批准号:
NC/S000933/1 - 财政年份:2019
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
Epithelial bending in mammalian morphogenesis
哺乳动物形态发生中的上皮弯曲
- 批准号:
BB/P007325/1 - 财政年份:2017
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
Epithelial bending in mammalian tooth and salivary gland morphogenesis
哺乳动物牙齿和唾液腺形态发生中的上皮弯曲
- 批准号:
BB/L002965/1 - 财政年份:2014
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
Cell polarity and phosphoinositide kinases in Wnt signalling
Wnt 信号传导中的细胞极性和磷酸肌醇激酶
- 批准号:
BB/J015075/1 - 财政年份:2013
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
Quantitative morphogen analysis of periodic ruga patterning
周期性ruga图案的定量形态发生素分析
- 批准号:
BB/J009105/1 - 财政年份:2012
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
Cellular mechanisms of facial primordium growth
面部原基生长的细胞机制
- 批准号:
G0801154/1 - 财政年份:2009
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
PAR-1, polarity and Wnt signalling in early vertebrate embryos
早期脊椎动物胚胎中的 PAR-1、极性和 Wnt 信号传导
- 批准号:
G0601131/1 - 财政年份:2008
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
A multiuser confocal laser scanning microscope for live and 3-D imaging of craniofacial cellular dynamics
用于颅面细胞动力学实时 3D 成像的多用户共焦激光扫描显微镜
- 批准号:
BB/E01335X/1 - 财政年份:2007
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
PAR polarity proteins and Neurogenesis
PAR 极性蛋白和神经发生
- 批准号:
BB/D010640/1 - 财政年份:2006
- 资助金额:
$ 48.38万 - 项目类别:
Research Grant
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