by Nancy Fliesler, Children’s Hospital Boston Senescence inducer CuSO4, which causes ER stress, activates NKp46- and NKG2D-dependent NK killing, but 4-PBA, which induces senescence without ER stress, does not. a, Representative flow cytometry histograms of β-galactosidase activity (SA-βgal) (left) and MFI of 3 samples (right) of KP that were untreated (UT) or treated with CuSO4 or 4-PBA....
