Primary antibodies used in this study were: rat anti-MLKL (clone 3H1, produced in-house; 1:1000 dilution; available as MABC604, EMD Millipore, Billerica, MA, USA), rat anti-human MLKL pseudokinase domain (clone 7G2, produced in-house32 (link); 1:2000 dilution; soon available from EMD Millipore as MABC1636), rabbit anti-human MLKL phospho-S358 (AB187091, Abcam; 1:2000), mouse anti-Actin (C4) HRP (sc-47778 HRP, Santa Cruz Biotechnology; 1:10000), rat anti-human RIPK3 (clone 1H2, produced in-house11 (link); 1:1000; available as MABC1640, EMD Millipore, Billerica, MA, USA), rabbit anti-human RIPK3 phospho-S227 (D6W2T, CST; 1:2000). Recombinant hTNF-Fc62 (link) was produced in-house, while the Smac mimetic, Compound A63 (link) and the pan-caspase inhibitor, IDN-6556/Emricasan, were provided by Tetralogic Pharmaceuticals. The RIPK3 inhibitors, GSK′843 (ref. 54 (link)) and BMS Compound 10 (ref. 48 (link)), were kindly provided by Anaxis Pty Ltd (Australia).
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