Cell cycle assay. A549 cells were treated with increasing doses of a mitotic inhibitor for 24 hours. The cells were stained for phospho Histone H3 and detected using an Invitrogen Alexa Fluor 488 secondary antibody. Invitrogen HCS NuclearMask Deep Red stain was used as a nuclear segmentation tool.
HCS Cell Cycle Assay
Optimized, automated assays for HCS
Cell cycle assays and mitotic index measurements provide insight into cell division and quantify the effects of compounds or treatments that impact mitotic progression. Automated assays can measure cellular DNA content as an indicator of where in the cycle a cell was stained, or you can detect the levels of proteins associated with mitosis such as Histone H3. An automated combination of both measurements will generate a more stringent assay. Mitosis-associated proteins are generally detected using an immunofluorescence assay, and DNA content can be measured using DAPI or other DNA stains depending on your wavelength and multiplexing requirements. A two-channel assay will report on both components at a choice of wavelengths, keeping the remaining channels free for multiplexing other parameters.
Automatically measured properties
- DNA content
- Intensity levels of up to 3 secondary targets
- Correlation at single-cell and population level
Cell cycle assay images
Sample experimental data
Dose-response plot of mitotic inhibitors in A549 cells using a non-linear regression with GraphPad Prism software to determine an EC50.
HCS reagents optimized for use with your HCS platform
HCS application notes
For Research Use Only. Not for use in diagnostic procedures.