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Related Concept Videos

Atomic Force Microscopy01:08

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The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
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Related Experiment Video

Updated: Jul 15, 2025

Measuring the Mechanical Properties of Living Cells Using Atomic Force Microscopy
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Nanomechanical-based classification of prostate tumor using atomic force microscopy.

Jinshu Zeng1,2, Yan Zhang3, Renfeng Xu3

  • 1Department of Ultrasound Imaging, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.

The Prostate
|September 27, 2023
PubMed
Summary
This summary is machine-generated.

Nanomechanical properties measured by Atomic Force Microscopy (AFM) can distinguish prostate cancer. Cancerous prostate tissues and cells exhibit reduced elasticity compared to normal tissues, indicating potential for cancer classification.

Keywords:
atomic force microscopyclassificationclustering algorithmprostate cancerviscoelasticity

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Area of Science:

  • Biophysics
  • Cancer Biology
  • Materials Science

Background:

  • Mechanical homeostasis loss between tumor cells and microenvironment drives metastasis.
  • Mechanical forces influence cell proliferation, differentiation, migration, and tissue development.

Purpose of the Study:

  • To measure nanomechanical properties of prostate cancer tissues using Atomic Force Microscopy (AFM).
  • To investigate the relationship between biomechanical properties and prostate cancer grade.
  • To compare nanomechanical properties of cancerous and normal prostate cells.

Main Methods:

  • Atomic Force Microscopy (AFM) was employed to measure biomechanical properties of prostate tissue.
  • K-means and fuzzy C-means clustering were used to differentiate cellular and non-cellular components based on viscoelasticity.
  • AFM measurements were performed on metastatic (PC-3) and normal (PZ-HPV-7) prostate cells in vitro.

Main Results:

  • Young's modulus decreased with prostate cancer progression.
  • Cancerous prostate tissue exhibited lower elasticity than normal tissue.
  • Metastatic PC-3 cells were softer than normal PZ-HPV-7 cells, potentially due to increased actin cytoskeleton in cancer cells.

Conclusions:

  • Nanomechanical properties can effectively classify prostate tumors.
  • These properties may serve as an index for identifying and classifying cancer at the cellular level.