Western blotting was carried out as previously described.5 (link) Connexin32 Ab was purchased from Santa Cruz Biotechnology. The GAPDH Ab was obtained from Ray Antibody Biotech. β‐Tubulin Ab and HRP‐conjugated secondary Abs were acquired from Sigma‐Aldrich. The RIP1, RIP3, MLKL, p‐RIP1, p‐MLKL, and Src Abs were obtained from Cell Signaling Technology. Phosphor‐caspase 8 (Tyr380) primary Ab was from Abcam.