Before starting any new experiments and every 2-3 months while the cell line is actively being used
Before freezing down any stocks/working banks
When experimental results are not as expected
If cell line is obtained from a colleague and not from a reputable commercial repository (e.g. ATCC)

If the cell line was created “in-house”; to establish ​an STR reference profile for that cell line (compare to patient tissue/sample where possible to ensure that the cell line was derived from that patient)Type your paragraph here.

Harnessing the potential of genetics and epigenetics for new therapeutics and diagnostics