Modulation of histone H3K4 dimethylation by spermidine ameliorates motor neuron survival and neuropathology in a mouse model of ALS. Alzforum, 23 Dec 2022 Choi SH, Yousefian-Jazi A, Hyeon SJ, Nguyen PT, Chu J, Kim S, Kim S, Ryu HL, Kowall NW, Ryu H, Lee J.