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Related Concept Videos

The Extracellular Matrix01:29

The Extracellular Matrix

9.1K
Overview
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.
Composition of the Extracellular Matrix
The extracellular matrix (ECM) is commonly composed of ground substance, a gel-like fluid, fibrous components, and many structurally and functionally diverse...
9.1K
Extracellular Matrix01:26

Extracellular Matrix

3.1K
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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Related Experiment Video

Updated: Aug 1, 2025

Finite Element Modelling of a Cellular Electric Microenvironment
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Engineering Cell-ECM-Material Interactions for Musculoskeletal Regeneration.

Calvin L Jones1, Brian T Penney1, Sophia K Theodossiou1

  • 1Department of Mechanical and Biomedical Engineering, Boise State University, 1910 University Dr MS2085, Boise, ID 83725, USA.

Bioengineering (Basel, Switzerland)
|April 28, 2023
PubMed
Summary

Engineered extracellular matrix (ECM) materials and scaffolds mimic natural cues to regenerate musculoskeletal tissues like muscle, cartilage, tendon, and bone. These advanced biomaterials offer tailored properties for controlling cell behavior and advancing tissue restoration.

Keywords:
atomic force microscopy (AFM)bonecartilageextracellular matrix (ECM)musculoskeletal regenerationmusculoskeletal tissue engineeringskeletal muscletendon

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Regenerative Medicine

Background:

  • The extracellular microenvironment, particularly the extracellular matrix (ECM), critically influences musculoskeletal development and disease.
  • The ECM provides essential biochemical and mechanical signals that guide tissue regeneration.
  • Tissue engineering strategies aim to leverage ECM properties for regenerating muscle, cartilage, tendon, and bone.

Purpose of the Study:

  • To review engineered approaches utilizing natural and ECM-derived materials for musculoskeletal tissue regeneration.
  • To highlight the role of engineered ECM-material scaffolds in mimicking native tissue characteristics.
  • To explore future directions in tailoring cell-ECM-material interactions for enhanced tissue restoration.

Main Methods:

  • Survey of engineered approaches using natural and ECM-derived materials.
  • Focus on scaffold systems designed to mimic key mechanical and biochemical ECM components.
  • Analysis of strategies for chemical or genetic modification of biomaterials.

Main Results:

  • Engineered ECM-material scaffolds demonstrate biocompatibility and tunable properties.
  • These scaffolds can be modified to support cell differentiation and mitigate disease progression.
  • Current approaches harness ECM characteristics to promote regeneration of skeletal muscle, cartilage, tendon, and bone.

Conclusions:

  • Engineered ECM and biomaterials are powerful tools for controlling cell fate in musculoskeletal regeneration.
  • Tailored cell-ECM-material interactions are key to advancing musculoskeletal tissue restoration.
  • Continued exploration of these materials holds significant promise for large-scale tissue regeneration.