9.11 - Mechanical Interactions between Cells and Tissues

A. Buxboim, D. E. Discher

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

2 Scopus citations

Abstract

Biology is based on polymers, namely proteins, carbohydrates, lipids, and nucleic acids such as DNA, both inside cells and outside cells. The physical nature of these soft and wet polymers has major implications for cell structures, properties, and functions. Indeed, within a multicellular organism, the organization of cells requires that each cell assess its relative location, taking in multiple cues from its polymeric microenvironment. Given that extracellular matrix (ECM) consists of the most abundant proteins in animals and contributes both structure and elasticity to tissues, ECM is likely to provide some key physical cues to cells. As a cell engages matrix and actively probes, it senses in deformation the local elastic resistance of ECM and nearby cells, and – like the proverbial princess who feels a pea placed many mattresses below – the cell seems to possess feedback and recognition mechanisms that even establish how far a cell can feel. Recent experimental findings and computational modeling of cell and matrix mechanics are summarized here and lend insight into the wide-ranging senstivities of cells to polymer mechanics.

Original languageAmerican English
Title of host publicationPolymer Science
Subtitle of host publicationa Comprehensive Reference: Volume 1-10
PublisherElsevier
Pages201-209
Number of pages9
Volume1-10
ISBN (Electronic)9780080878621
DOIs
StatePublished - 1 Jan 2012
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2012 Elsevier B.V. All rights reserved.

Keywords

  • Finite Element Model
  • Matrix mechanics

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