Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12860-015-0071-7/MediaObjects/12860_2015_71_Fig1_HTML.gif)
Build of NIH3T3 cell cycle a. S phase cell detected by immunocytochemistry at different time points after synchronization; b. M phase cell detected by morphologic observation at different time points after synchronization
Build of NIH3T3 cell cycle a. S phase cell detected by immunocytochemistry at different time points after synchronization; b. M phase cell detected by morphologic observation at different time points after synchronization