MMP-2 colocalizes with caveolae on the surface of endothelial cells.

  title={MMP-2 colocalizes with caveolae on the surface of endothelial cells.},
  author={A Puyraimond and Rafael Fridman and Monique Lemesle and Brigitte Arbeille and Suzanne Menashi},
  journal={Experimental cell research},
  volume={262 1},
We examined the spatial distribution of MMP-2 on the surface of human endothelial cells using immunofluorescence and confocal microscopy. Staining endothelial cells with MMP-2-specific antibodies revealed a punctate labeling at the basolateral side of the cell periphery, which colocalized with patches of caveolin-1, a major constituent of the caveolae. This colocalization was confirmed by immunogold electron microscopy. MT1-MMP, TIMP-2, and the alphavbeta3 integrin exhibited a similar pattern… CONTINUE READING


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