Processing of progranulin into granulins involves multiple lysosomal proteases and is affected in frontotemporal lobar degeneration. - Mohan S; Sampognaro PJ; Argouarch AR; Maynard JC; Welch M; Patwardhan A; Courtney EC; Zhang J; Mason A; Li KH; Huang EJ; Seeley WW; et al. (Molecular neurodegeneration, 2021)