Abstract

Axonal Degeneration Necroptosis, a non–caspase-dependent form of cell death, can be reduced in disease states by inhibiting a kinase called RIPK1. Until now, no human mutations have been linked to necroptosis. Ito et al. show that loss of optineurin, which is encoded by a gene that has been implicated in the human neurodegenerative disorder ALS (amyotrophic lateral sclerosis), results in sensitivity to necroptosis and axonal degeneration. When RIPK1-kinase dependent signaling is disrupted in mice that lack optineurin, necroptosis is inhibited and axonal pathology is reversed. Science , this issue p. [603][1] [1]: /lookup/doi/10.1126/science.aaf6803

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