• Publications
  • Influence
Red blood cell membrane fluctuations and shape controlled by ATP-induced cytoskeletal defects.
We show theoretically how adenosine 5'-triphosphate (ATP)-induced dynamic dissociations of spectrin filaments (from each other and from the membrane) in the cytoskeleton network of red blood cellsExpand
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A soft cortex is essential for asymmetric spindle positioning in mouse oocytes
At mitosis onset, cortical tension increases and cells round up, ensuring correct spindle morphogenesis and orientation. Thus, cortical tension sets up the geometric requirements of cell division. OnExpand
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Metabolic remodeling of the human red blood cell membrane
  • Y. Park, C. Best, +5 authors M. Feld
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences
  • 6 January 2010
The remarkable deformability of the human red blood cell (RBC) results from the coupled dynamic response of the phospholipid bilayer and the spectrin molecular network. Here we present quantitativeExpand
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Lateral mobility of proteins in liquid membranes revisited
The biological function of transmembrane proteins is closely related to their insertion, which has most often been studied through their lateral mobility. For >30 years, it has been thought thatExpand
  • 296
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Cytoskeleton confinement and tension of red blood cell membranes.
We analyze theoretically both the static and dynamic fluctuation spectra of the red blood cell in a unified manner, using a simple model of the composite membrane. In this model, the two-dimensionalExpand
  • 145
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Collective Cell Motility Promotes Chemotactic Prowess and Resistance to Chemorepulsion
Collective cell migration is a widespread biological phenomenon, whereby groups of highly coordinated, adherent cells move in a polarized fashion. This migration mode is a hallmark of tissueExpand
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Guidance of collective cell migration by substrate geometry.
Collective behavior refers to the emergence of complex migration patterns over scales larger than those of the individual elements constituting a system. It plays a pivotal role in biological systemsExpand
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Ant groups optimally amplify the effect of transiently informed individuals
To cooperatively transport a large load, it is important that carriers conform in their efforts and align their forces. A downside of behavioural conformism is that it may decrease the group'sExpand
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Actin Flows Mediate a Universal Coupling between Cell Speed and Cell Persistence
Cell movement has essential functions in development, immunity, and cancer. Various cell migration patterns have been reported, but no general rule has emerged so far. Here, we show on the basis ofExpand
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Physical model of the dynamic instability in an expanding cell culture.
Collective cell migration is of great significance in many biological processes. The goal of this work is to give a physical model for the dynamics of cell migration during the wound healingExpand
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