title: Altered ribostasis: RNA-protein granules in degenerative disorders.
abstract: The molecular processes that contribute to degenerative diseases are not well understood. Recent observations suggest that some degenerative diseases are promoted by the accumulation of nuclear or cytoplasmic RNA-protein (RNP) aggregates, which can be related to endogenous RNP granules. RNP aggregates arise commonly in degenerative diseases because RNA-binding proteins commonly self-assemble, in part through prion-like domains, which can form self-propagating amyloids. RNP aggregates may be toxic due to multiple perturbations of posttranscriptional control, thereby disrupting the normal "ribostasis" of the cell. This suggests that understanding and modulating RNP assembly or clearance may be effective approaches to developing therapies for these diseases.
authors: School of Genetics and Microbiology and School of Natural Sciences, Smurfit Institute of Genetics and Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland. mani.ramaswami@tcd.ie
authors: Mani
authors: M
authors: Ramaswami
authors: J Paul
authors: JP
authors: Taylor
authors: Roy
authors: R
authors: Parker
mesh_terms: D000818:Animals; D003594:Cytoplasmic Granules / Q000378:metabolism; D006801:Humans; D019636:Neurodegenerative Diseases / Q000378:metabolism / Q000473:pathology*; D017510:Protein Folding; D012313:RNA / Q000737:chemistry / Q000378:metabolism; D012261:Ribonucleoproteins / Q000737:chemistry* / Q000378:metabolism*
chemical_list: D012261:Ribonucleoproteins; D012313:RNA
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