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Cell-matrix's Response to Mechanical Forces01:13

Cell-matrix's Response to Mechanical Forces

In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
Anchoring junctions mechanically attach a cell to the...

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Related Experiment Video

Updated: May 27, 2026

Ex vivo Mechanical Loading of Tendon
11:36

Ex vivo Mechanical Loading of Tendon

Published on: May 28, 2007

In vivo mechanical loading.

Roberto Lopes de Souza1, Leanne Saxon

  • 1Department of Veterinary Basic Sciences, Royal Veterinary College, Royal College Street, London, UK. rsouza@rvc.ac.uk

Methods in Molecular Biology (Clifton, N.J.)
|December 2, 2011
PubMed
Summary

Mechanical loading remodels bone structure and mass. This study details a method for applying mechanical loads to mouse bones to observe these bone remodeling changes.

Area of Science:

  • Biomechanical Engineering
  • Skeletal Biology
  • Orthopedic Research

Background:

  • The skeleton's mechanical functions depend on bone's structural organization and material properties.
  • Bone undergoes adaptation (remodeling) in response to mechanical loading, affecting both cortical and trabecular bone.
  • Understanding these adaptive mechanisms is crucial for addressing bone diseases and injuries.

Purpose of the Study:

  • To describe a method for applying controlled mechanical loading to murine bones.
  • To investigate how mechanical loading influences bone (re)modeling at different sites (endosteal, periosteal, trabecular).
  • To provide a framework for studying the mechanisms coordinating bone adaptation to mechanical stimuli.

Main Methods:

  • Utilizing animal models (murine) for controlled mechanical loading experiments.

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Design of a Biaxial Mechanical Loading Bioreactor for Tissue Engineering
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Design of a Biaxial Mechanical Loading Bioreactor for Tissue Engineering

Published on: April 25, 2013

Related Experiment Videos

Last Updated: May 27, 2026

Ex vivo Mechanical Loading of Tendon
11:36

Ex vivo Mechanical Loading of Tendon

Published on: May 28, 2007

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint
07:09

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

Published on: March 7, 2014

Design of a Biaxial Mechanical Loading Bioreactor for Tissue Engineering
08:04

Design of a Biaxial Mechanical Loading Bioreactor for Tissue Engineering

Published on: April 25, 2013

  • Applying loads to bones through points of articulation to simulate physiological conditions.
  • Assessing bone changes using double fluorochrome labeling for endosteal and periosteal bone and computed tomography (CT) for trabecular bone.

    • Main Results:

    • Demonstrated a method to induce and measure bone (re)modeling in response to mechanical loading in mice.
    • Enabled visualization of changes in endosteal, periosteal, and trabecular bone morphology and mass.
    • Provided a basis for further investigation into the cellular and molecular mechanisms of mechanotransduction in bone.

    Conclusions:

    • The described method allows for precise mechanical loading of murine bones, facilitating the study of bone adaptation.
    • This technique is valuable for understanding how mechanical forces regulate bone structure and mass.
    • The findings contribute to the field of skeletal biology and have implications for developing therapies for bone disorders.