RIPK3 and colitis: Interestingly, Moriwaki et al.28demonstrated that RIPK3 protects against dextran sodium sulphate (DSS)‐induced colitis and that RIPK3 is required for tissue repair by inducing an axis of IL‐23, IL‐1β and IL‐22 downstream of DSS‐induced injury, independent of its role in cell death.