Science Advances
4 March 2020
Nanoscale integrin cluster dynamics controls cellular mechanosensing via FAKY397 phosphorylation
Bo Cheng1,2,*, Wanting Wan2,3,*, Guoyou Huang1,2, Yuhui Li1,2, Guy M. Genin1,2,4,5, Mohammad R. K. Mofrad6, Tian Jian Lu7,8, Feng Xu1,2 ,Min Lin1,2,†
1 The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, P.R. China.
2 Bioinspired Engineering and Biomechanics Center (BEBC), Xi’an Jiaotong University, Xi’an 710049, P.R. China.
3 Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an 710049, P.R. China.
4 Department of Mechanical Engineering & Materials Science, Washington University in St. Louis, St. Louis, MO 63130, USA.
5 NSF Science and Technology Center for Engineering Mechanobiology, Washington University in St. Louis, St. Louis, MO 63130, USA.
6 Molecular Cell Biomechanics Laboratory, Departments of Bioengineering and Mechanical Engineering, University of California, Berkeley, CA 94720, USA.
7 State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China.
8 MOE Key Laboratory of Multifunctional Materials and Structures, Xi’an Jiaotong University, Xi’an 710049, P.R. China.
↵† Corresponding author.
↵* These authors contributed equally to this work.
10.1126/sciadv.aax1909
To explain how the molecular organization of proteins at adhesion sites regulated by integrin control shape, stability, signaling, and the transmission of forces, Cheng et al. developed a modeling approach based on a hexagonal grid-like pattern where integrin proteins are free to change positions or form clusters. The modeling results predicted that the ways in which integrins cluster ultimately determine how different cell types convert mechanical signals—suggesting a new pathway through which cells to respond to their mechanical environment.
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