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The Extracellular Matrix01:42

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In order to maintain tissue organization, many animal cells are surrounded by structural molecules that make up the extracellular matrix (ECM). Together, the molecules in the ECM maintain the structural integrity of tissue as well as the remarkable specific properties of certain tissues.
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Unlike epithelial tissue, which is composed of cells closely packed with little or no extracellular space in between, connective tissue cells are dispersed in a matrix. This extracellular matrix (ECM) is composed of fibrous proteins like collagen, elastin, and fibronectin in a ground substance consisting of interstitial fluid, cell adhesion proteins, and proteoglycans. The proteoglycans form a gel-like material in the spaces between cells and provide hydration, buffering, binding, and force...
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Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms throughout their life. When cells are not able to migrate properly to their ordained locations, various disorders may occur. For example, disruption in cell migration causes chronic inflammatory diseases such as arthritis.
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Related Experiment Video

Updated: Jan 23, 2026

In Vitro Investigation of the Effects of the Hyaluronan-Rich Extracellular Matrix on Neural Crest Cell Migration
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Extracellular matrix dynamics in cell migration, invasion and tissue morphogenesis.

Kenneth M Yamada1, Joshua W Collins1, David A Cruz Walma1

  • 1Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland.

International Journal of Experimental Pathology
|June 11, 2019
PubMed
Summary
This summary is machine-generated.

Directly visualizing cell-extracellular matrix interactions in 3D reveals new insights into cell migration and tissue development. Understanding these dynamic processes is key for advancing cell biology and regenerative medicine.

Keywords:
3D culturebasement membrane remodellingbranching morphogenesiscell migrationextracellular matrixinvasion

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Area of Science:

  • Cell Biology
  • Biophysics
  • Developmental Biology

Background:

  • Classical 2D cell culture systems offer limited insights into complex cellular behaviors.
  • Dynamic cell-matrix interactions are crucial for biological processes like tissue morphogenesis and invasion.

Purpose of the Study:

  • To review advancements in visualizing cell-extracellular matrix interactions.
  • To highlight differences in cell migration mechanisms between 2D and 3D environments.
  • To explore the role of matrix remodeling in tissue development.

Main Methods:

  • Direct visualization techniques for cell-matrix dynamics.
  • Utilizing 1D and 3D model systems for cell migration studies.
  • Analysis of cell adhesion, migration, and signaling pathways.

Main Results:

  • 3D cell migration differs significantly from 2D, with Myosin II being essential for 3D movement.
  • Cell migration modes (lamellipodial, lobopodial, amoeboid) are adaptable to the matrix environment.
  • Matrix remodeling, including basement membrane perforation and translocation, is vital for branching morphogenesis.

Conclusions:

  • Direct visualization provides novel insights into cell-matrix interactions.
  • 3D models reveal complex cellular behaviors not observed in 2D cultures.
  • Further research into cell-matrix dynamics offers exciting opportunities in developmental biology and disease.