HTT and neurodegenerative disease: HTT, neurofilament heavy chain (NF‐H), Tau (MAPT), FUS, TDP‐43, HNRNPA1, HNRNPD, RPL7 and actin (ACTB, found aggregated in Hirano bodies in several neurodegenerative diseases; Hirano, 1994), were selectively aggregated upon RNase A/T1 treatment of human neuronal lysates (Fig 2A).