Influence of adhesion and cytoskeletal integrity on fibroblast traction.
Influence of adhesion and cytoskeletal integrity on fibroblast traction.
复制标题
粘附和细胞骨架完整性对成纤维细胞牵引的影响。
DOI:
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发表时间:
1996
影响因子:
--
通讯作者:
A. Ott
中科院分区:
文献类型:
--
作者:
O. Thoumine;A. Ott
Cellular contractility plays an important role in cell morphogenesis and tissue pattern formation. In this context, we examined how the expression of cell traction depends on cell-to-substrate contacts and cytoskeletal organization. Qualitative observation of chick fibroblasts cultured on an elastic film of polydimethylsiloxane indicated a strong spatial relationship between wrinkle pattern and distribution of actin stress fibers and focal contacts. In order to further characterize cell contractility, the projected area of Triton-permeabilized fibroblasts upon ATP-induced retraction was measured in various conditions of substrate adhesivity, cytoskeletal perturbation, and temperature. In all conditions, the relationship between degree of cell retraction and ATP concentration was well described by the laws of enzyme kinetics. Culturing cells on a gelatin-coated substrate, decreasing the temperature, using phosphate ribonucleotides other than ATP, and treating cells with cytochalasin D all diminished the rate of cell retraction, indicating that fibroblast traction is generated by a temperature- and ATP-dependent actin/myosin stress fiber sliding mechanism, transmitted to the substrate through focal adhesions. Treatment of cells with either nocodazole or taxol did not affect retraction of permeabilized fibroblasts upon stimulation with ATP, suggesting that microtubules do not directly resist cell traction. Treatment of cells with vanadate increased cell retraction, suggesting that intermediate filaments help transmit tension.
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DOI:
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发表时间:
1993-11
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
M. Kolodney;Elliot L. Elson
通讯作者:
M. Kolodney;Elliot L. Elson
DOI:
10.1115/1.3138638
发表时间:
1987
期刊:
Journal of biomechanical engineering
影响因子:
--
作者:
Sato,M;Levesque,MJ;Nerem,RM
通讯作者:
Nerem,RM
影响因子:
4
作者:
Karl R. Fath;C.-J. S. Edgell;Keith Burridge
通讯作者:
Karl R. Fath;C.-J. S. Edgell;Keith Burridge
影响因子:
3.4
作者:
Lemmon, Christopher A.;Chen, Christopher S.;Romer, Lewis H.
通讯作者:
Romer, Lewis H.
DOI:
--
发表时间:
1992-05
期刊:
Laboratory investigation; a journal of technical methods and pathology
影响因子:
--
作者:
R. Vernon;J. Angello;M. Iruela-Arispe;T. Lane;E. Sage
通讯作者:
R. Vernon;J. Angello;M. Iruela-Arispe;T. Lane;E. Sage