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Cancer Cell Migration through Invadopodia01:35

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Invadosome is a broad category of cell surface structures with proteolytic activity that  degrades the extracellular matrix (ECM). Invadosomes are present in normal cell types, including macrophages, endothelial cells, and neurons, as well as tumor cells. Although the macrophage podosomes and tumor cell invadopodia are classified as invadosomes, they have different structures, molecular pathways, and functions. Podosomes are short structures that last for a few minutes. However,...
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The extracellular matrix or ECM holds cells together to form a tissue and allows the cells within the tissue to communicate. ECM comprises proteins such as fibronectin, collagen, laminin, etc. The most abundant protein in this space is collagen. Collagen fibers are interwoven with carbohydrate-containing protein molecules called proteoglycans. ECM allows cell migration and provides a structural scaffold at cell adhesion that anchors the cell when the extracellular matrix proteins interact with...
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Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
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Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
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Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
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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: Nov 18, 2025

A Cancer Cell Spheroid Assay to Assess Invasion in a 3D Setting
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Fueling Cell Invasion through Extracellular Matrix.

Aastha Garde1, David R Sherwood2

  • 1Department of Cell Biology, Duke University, Box 3709, Durham, NC 27710, USA.

Trends in Cell Biology
|February 7, 2021
PubMed
Summary
This summary is machine-generated.

Cell invasion requires significant energy. This review highlights how invasive cells generate and deliver ATP to fuel movement through the extracellular matrix (ECM), revealing energy metabolism

Keywords:
Cell invasionadaptive ATP metabolismextracellular matrixglycolysismitochondrial localizationoxidative phosphorylation

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Area of Science:

  • Cell Biology
  • Metabolic Biochemistry
  • Cancer Research

Background:

  • Cell invasion through the extracellular matrix (ECM) is crucial for development, immune response, and cancer metastasis.
  • While mechanisms of cell migration are well-studied, the energy supply (ATP) for these demanding processes remains less understood.

Purpose of the Study:

  • To review the challenges in studying ATP generation and delivery in invasive cells.
  • To explore how recent research illuminates the role of energy metabolism in overcoming ECM barriers during cell invasion.

Main Methods:

  • Overview of diverse invasion models and experimental approaches.
  • Discussion of energy biosensors for real-time ATP measurement.

Main Results:

  • Examining ATP dynamics in invading cells presents significant experimental challenges.
  • Recent studies demonstrate that energy metabolism is dynamically regulated during cell invasion.

Conclusions:

  • Energy metabolism is an integral component of invasive cell behavior.
  • Metabolic strategies are finely tuned to the specific demands of the ECM environment.