FAS-L (NOK-1): sc-19681. Indirect FCM analysis of L5178Y-human FAS-L stable transfectant cell line (B) and non-transfected L5178Y cells (A). Cells were treated with metalloproteinase inhibitor BB94 and stained with FAS-L (NOK-1) (orange), followed by PE-conjugated goat anti-mouse IgG. Clear line histograms represent the isotype control, normal mouse IgG1. Data kindly provided by Dr. Hideo Yagita at Juntendo University School of Medicine.