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TScratch: a novel and simple software tool for automated analysis of monolayer wound healing assays.

Authors
  • Gebäck, Tobias
  • Schulz, Martin Michael Peter
  • Koumoutsakos, Petros
  • Detmar, Michael
Type
Report
Journal
BioTechniques
Publisher
Future Science
Publication Date
Apr 01, 2009
Volume
46
Issue
4
Pages
265–274
Identifiers
DOI: 10.2144/000113083
PMID: 19450233
Source
Medline
License
Unknown

Abstract

Cell migration plays a major role in development, physiology, and disease, and is frequently evaluated in vitro by the monolayer wound healing assay. The assay analysis, however, is a time-consuming task that is often performed manually. In order to accelerate this analysis, we have developed TScratch, a new, freely available image analysis technique and associated software tool that uses the fast discrete curvelet transform to automate the measurement of the area occupied by cells in the images. This tool helps to significantly reduce the time needed for analysis and enables objective and reproducible quantification of assays. The software also offers a graphical user interface which allows easy inspection of analysis results and, if desired, manual modification of analysis parameters. The automated analysis was validated by comparing its results with manual-analysis results for a range of different cell lines. The comparisons demonstrate a close agreement for the vast majority of images that were examined and indicate that the present computational tool can reproduce statistically significant results in experiments with well-known cell migration inhibitors and enhancers.

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