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Τετάρτη 1 Νοεμβρίου 2017

Quantitative image analysis of protein expression and colocalization in skin sections

Abstract

Immunofluorescence (IF) and in situ proximity ligation assay (isPLA) are techniques that are used for in situ protein expression and colocalization analysis, respectively. However, an efficient quantitative method to analyze both IF and isPLA staining on skin sections is lacking. Therefore, we developed a new method for semi-automatic quantitative layer-by-layer measurement of protein expression and colocalization in skin sections using the free open-source software CellProfiler. As a proof of principle, IF and isPLA of ichthyosis-related proteins TGm-1 and SDR9C7 were examined. The results indicate that this new method can be used for protein expression and colocalization analysis in skin sections.

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