Abstract
Electrophoretic mobility (EPM) of human promyelocytic leukemia cell lines (HL60) during neutrophil differentiation induced by all-trans retinoic acid (ATRA) or dimethyl sulfoxide (DMSO) was measured using microcapillary electrophoresis chips. Prior to EPM measurement of HL60 cells, neutrophil differentiation of the cells was confirmed by morphological classification. Subsequently, EPM of HL60 cells was measured using an on-chip cell electrophoresis system before and after neutrophil differentiation. The EPM changed gradually with the progress of the neutrophil differentiation. From the analysis of experimental data by principal component analysis, it was revealed that there is a strong correlation between morphologic classification and EPM during the neutrophilic differentiation. The present result suggests that on-chip EPM measurement system can be used as a monitoring tool for the cell differentiation.
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