Seminar: Nir Gov, theme Cancer Development and immune defence

Theoretical model for persistent and oscillatory cell motility

Date:
8 September 2015 12:00 hrs. - 13:00 hrs.
Location:
Figdor Lecture Theatre, 8th floor RIMLS Building, Geert Grooteplein 26-28, route 289
Title:
Theoretical model for persistent and oscillatory cell motility
Speaker(s):

Prof. Nir Gov, Weizmann Institute of Science, Dept. of Chemical Physics, Rehovot, Israel. 

Host(s):

Dr. Alessandra Cambi, Dept. of Tumor Immunology, RIMLS

08-09-2015 12:00:0008-09-2015 13:00:00Europe/AmsterdamTheoretical model for persistent and oscillatory cell motility Figdor Lecture Theatre, 8th floor RIMLS Building, Geert Grooteplein 26-28, route 289Rimlsrimls@radboudumc.nl

Remarks / more information:

undefinedundefinedCell movement has essential functions in development, immunity and cancer. Various cell migration patterns have been reported, such as Brownian motion, intermittent and persistent random-walks, but no general rule has emerged so far. Here, we show on the basis of experimental data in vitro and in vivo that cell persistence, which quantifies the straightness of trajectories, is robustly coupled to cell migration speed. We suggest that this universal coupling constitutes a generic law of cell migration, which originates in the advection of polarity cues by an actin cytoskeleton undergoing flows at the cellular scale. Our analysis relies on a theoretical model that we validate by measuring the persistence of cells upon modulation of actin flow speeds. Beyond the quantitative prediction of the coupling, the model yields a generic phase diagram of cellular trajectories, which recapitulates the full range of observed migration patterns. Recent extensions of this model describe the oscillatory motion of dendritic cells, which compare very well with experiments.

Key Publication

  • Actin Flows Mediate a Universal Coupling between Cell Speed and Cell persistence. Cell 161; 374-386, 2015.


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