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Updated: Aug 19, 2026
Optimized Scratch Assay for In Vitro Testing of Cell Migration with an Automated Optical Camera
Published on: August 8, 2018
Automated migration analysis based on cell texture: method & reliability
Jianfeng Qin1, Thomas W Chittenden, Ling Gao
1Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA. Jianfeng.Qin@Dartmouth.EDU <Jianfeng.Qin@Dartmouth.EDU>
Background:
In this paper, we present and validate a way to measure automatically the extent of cell migration based on automated examination of a series of digital photographs. It was designed specifically to identify the impact of Second Hand Smoke (SHS) on endothelial cell migration but has broader applications. The analysis has two stages: (1) preprocessing of image texture, and (2) migration analysis.
Results:
The output is a graphic overlay that indicates the front lines of cell migration superimposed on each original image, with automated reporting of the distance traversed vs. time. Expert preference compares to manual placement of leading edge shows complete equivalence of automated vs. manual leading edge definition for cell migration measurement.
Conclusion:
Our method is indistinguishable from careful manual determinations of cell front lines, with the advantages of full automation, objectivity, and speed.
