This decrease in sensitivity compared to supplementing additional let-7 is most likely due to reaching the level of endogenous let-7 levels in HEK 293 cells. reporter system quantifies cellular levels of the tumor suppressor miRNA let-7 in real-time in single … Continue reading This decrease in sensitivity compared to supplementing additional let-7 is most likely due to reaching the level of endogenous let-7 levels in HEK 293 cells