MLKL and retinal degeneration: RIPK/MLKL-mediated necroptosis has been linked to the death of photoreceptors in animal models of retinal degeneration (Murakami et al., 2012, 2015; Genini et al., 2013; Sato et al., 2013; Barabino et al., 2016; Viringipurampeer et al., 2016; Huang et al., 2018).