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Analysis of keratinocytes stiffness after desmosome disruption using Atomic Force Microscopy based nanomanipulation

  • Michigan State University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

11 Scopus citations

Abstract

Desmosomes are cell-cell junctions that provide mechanical strength for cells and maintain integrity of tissues in animal skins and hearts. Disruption of the desmosome like in some autoimmune diseases will therefore change the mechanical property of the anchoring cells and causing blistering. In the paper, we used Atomic Force Microscopy (AFM) to visualize the keratinocytes intercellular structure. The AFM based nanomanipulation system is employed to perform the nanoindentation experiment for measuring keratinocytes nanomechanical property under both physiological and pathophysiological conditions. Our demonstration of the use of AFM for in situ imaging and nanomanipulation for quantifying stiffness in nanoscale can facilitate the investigation of diseases related to blistering and development of therapeutic strategies accordingly.

Original languageEnglish
Title of host publication2009 9th IEEE Conference on Nanotechnology, IEEE NANO 2009
Pages640-643
Number of pages4
StatePublished - 2009
Event2009 9th IEEE Conference on Nanotechnology, IEEE NANO 2009 - Genoa, Italy
Duration: Jul 26 2009 → Jul 30 2009

Publication series

Name2009 9th IEEE Conference on Nanotechnology, IEEE NANO 2009

Conference

Conference2009 9th IEEE Conference on Nanotechnology, IEEE NANO 2009
Country/TerritoryItaly
CityGenoa
Period07/26/09 → 07/30/09

Keywords

  • AFM
  • Cell stiffness
  • Desmosome
  • Nanomanipulation

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