Ultrastructural Basis of Mechanotransduction in Matrix Adhesions
Ultrastructural Basis of Mechanotransduction in Matrix Adhesions
批准号:
8333958
负责人:
DORIT HANEIN
金额:
$150.7万
依托单位国家:
美国
项目类别:
财政年份:
2011
资助国家:
美国
项目状态:
已结题
起止时间:
2011-09-30 至 2016-08-31
中文摘要
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英文摘要
DESCRIPTION (provided by applicant): The overall goal of this Program Project is to understand in detail how integrin-mediated adhesions mature and how this process determines signaling outputs. Adhesion maturation is highly dependent on physical forces, whether from endogenous myosin or applied externally through the extracellular matrix. Thus, comparison of normal adhesion ultrastructure and dynamics with responses to applied force will elucidate mechanisms of mechanotransduction. This Program Project will develop a model for mechanotransduction at matrix adhesions that integrates adhesion ultrastructure, biochemical interactions, temporal and spatial dynamics of multiprotein assemblies and signaling networks. We will analyze mechanotransduction in the context of cell migration as an important physiological output of adhesion mechanics and signaling. To achieve this, we have formed a unique team of long-standing collaborators who will implement a multifaceted experimental approach that includes molecular cell biology, biochemistry, biophysical approaches, material science, computational and mathematical analysis, and correlated high-resolution light and electron microscopy.
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