MOLECULAR BASIS OF CELLULAR ADHESIVENESS

细胞粘附性的分子基础

基本信息

  • 批准号:
    3163969
  • 负责人:
  • 金额:
    $ 16.76万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    1979
  • 资助国家:
    美国
  • 起止时间:
    1979-06-01 至 1992-11-30
  • 项目状态:
    已结题

项目摘要

Cellular adhesiveness is a fundamental feature of cell behavior. The long-term goal of my research is to determine the mechanisms underlying cell adhesion to extracellular substrata. During the next five years we intent to investigate several general features of adhesion that are poorly understood and to study relationships between fibronectin receptors and other cell surface binding sites involved in adhesion. Specific problems on which we will focus are as follows: (1) We have found that Mn-dependent attachment and spreading of baby hamster kidney (BHK) cells on culture dishes cannot be explained in terms of the generally accepted model of cell adhesion. We plan to determine the effects of Mn on bead binding and phagocytosis by BHK cells and to analyze the BHK cell components involved in Mn-dependent adhesion. (2) We plan to determine the specificity of removal of substratum-bound proteins from beneath focal adhesion sites during attachment and spreading of human fibroblasts and the possible importance of this substratum remodeling process in other aspects of cell behavior. (3) We recently have prepared monoclonal antibodies against the WGA sites of baby hamster kidney cells. Antibodies that appear to react with the 50kd and 140kd complex fibronectin receptors have been partially characterized and will be studied in greater detail. We plan to analyze the role of these receptors in cell adhesion to substrata other than fibronectin. (4) We have isolated a BHK cell variant defective in cell contact to Fn-coated culture dishes. We will determine whether the Fn receptors of these cells interact abnormally with the cytoskeleton and analyze other alterations in recruitment of cell components to sites of cell-substratum contact.
细胞粘附性是细胞行为的一个基本特征。

项目成果

期刊论文数量(0)
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会议论文数量(0)
专利数量(0)

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FREDERICK GRINNELL其他文献

FREDERICK GRINNELL的其他文献

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{{ truncateString('FREDERICK GRINNELL', 18)}}的其他基金

Development of an In Vitro Wound Healing Model
体外伤口愈合模型的开发
  • 批准号:
    8008952
  • 财政年份:
    2010
  • 资助金额:
    $ 16.76万
  • 项目类别:
The Everyday Practice of Science
科学的日常实践
  • 批准号:
    6474868
  • 财政年份:
    2001
  • 资助金额:
    $ 16.76万
  • 项目类别:
The Everyday Practice of Science
科学的日常实践
  • 批准号:
    6528031
  • 财政年份:
    2001
  • 资助金额:
    $ 16.76万
  • 项目类别:
The Everyday Practice of Science
科学的日常实践
  • 批准号:
    6650879
  • 财政年份:
    2001
  • 资助金额:
    $ 16.76万
  • 项目类别:
CONFERENCE--GORDON 1999 WOUND REPAIR MEETING
会议--GORDON 1999伤口修复会议
  • 批准号:
    2870253
  • 财政年份:
    1999
  • 资助金额:
    $ 16.76万
  • 项目类别:
INTRACELLULAR TRAFFICKING OF TROPOELASTIN
原弹性蛋白的细胞内运输
  • 批准号:
    6476867
  • 财政年份:
    1998
  • 资助金额:
    $ 16.76万
  • 项目类别:
ALTERED MECHANISMS OF WOUND REPAIR IN THERMAL BURNS
热烧伤伤口修复机制的改变
  • 批准号:
    6107462
  • 财政年份:
    1998
  • 资助金额:
    $ 16.76万
  • 项目类别:
ALTERED MECHANISMS OF WOUND REPAIR IN THERMAL BURNS
热烧伤伤口修复机制的改变
  • 批准号:
    6240392
  • 财政年份:
    1997
  • 资助金额:
    $ 16.76万
  • 项目类别:
DEVELOPMENT OF AN IN VITRO WOUND HEALING MODEL
体外伤口愈合模型的开发
  • 批准号:
    3279280
  • 财政年份:
    1983
  • 资助金额:
    $ 16.76万
  • 项目类别:
DEVELOPMENT OF AN IN VITRO WOUND HEALING MODEL
体外伤口愈合模型的开发
  • 批准号:
    6830805
  • 财政年份:
    1983
  • 资助金额:
    $ 16.76万
  • 项目类别:

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