Cell Migration pp 111-136

Part of the Methods in Molecular Biology book series (MIMB, volume 769)

Imaging Podosome Dynamics and Matrix Degradation

  • Taylor W. Starnes
  • Christa L. Cortesio
  • Anna Huttenlocher


Invasive cell migration is critical for leukocyte trafficking into tissues. Podosomes are matrix-degrading adhesive structures that are formed by macrophages and are necessary for macrophage migration and invasion. Here, we describe methods for imaging and quantifying podosomes in primary human macrophages and in THP-1 cells, a monocyte cell line that can be differentiated to a macrophage-like state. Moreover, we outline detailed methods for live imaging of podosomes, which are highly dynamic, and for the quantification of rates of podosome turnover. Finally, we discuss methods for the quantitative analysis of matrix degradation on fluorescent-gelatin-coated cover slips.

Key words

Podosomes Podosome turnover Podosome dynamics Macrophage THP-1 Live imaging Gelatin degradation Lifeact Invadopodia 


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Taylor W. Starnes
  • Christa L. Cortesio
  • Anna Huttenlocher
    • 1
  1. 1.Department of Medical Microbiology and ImmunologyUniversity of Wisconsin-MadisonMadisonUSA

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