Hello everyone, We have a user who has tried to stain CHO cells with Hoechst 342. She has tried 10ug/ml Ho342 for various time points (15, 30, 45 and 60minutes) at 37 degrees C. She has also tried using 2.5ug/ml and 5ug/ml verapamil along with the hoechst staining. We are seeing improvement in staining with increasing time of incubation with Ho342 but the staining is still suboptimal (very broad CV for G1). Verapamil didn't have much of an effect. Has anyone stained this cell line with Ho342 and has a special modification they would be willing to share? Thank you for your help. Lucy Brown Beckman Research Institute/City of Hope 626-359-8111 X3306 lbrown@coh.org
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