2024
Ataxin-2 polyglutamine expansions aberrantly sequester TDP-43 ribonucleoprotein condensates disrupting mRNA transport and local translation in neurons
Wijegunawardana D, Nayak A, Vishal S, Venkatesh N, Gopal P. Ataxin-2 polyglutamine expansions aberrantly sequester TDP-43 ribonucleoprotein condensates disrupting mRNA transport and local translation in neurons. Developmental Cell 2024 PMID: 39419034, DOI: 10.1016/j.devcel.2024.09.023.Peer-Reviewed Original ResearchRNA-binding proteinsAtaxin-2PolyQ expansionTDP-43Like-SmLocal translationAmyotrophic lateral sclerosisDNA-binding proteinsTransactive response DNA-binding proteinLocalization of mRNAAssociated with increased riskRNA metabolismCytoskeletal mRNAsMRNA transportPolyglutamine expansionRNP condensatesMotor neuron axonsRegulatory functionsRibonucleoproteinMotor neuron integrityNeuronal integrityCortical neuronsLiquid-like propertiesNeuronal axonsMotility
2022
Sequence Determinants of TDP-43 Ribonucleoprotein Condensate Formation and Axonal Transport in Neurons
Vishal SS, Wijegunawardana D, Salaikumaran MR, Gopal PP. Sequence Determinants of TDP-43 Ribonucleoprotein Condensate Formation and Axonal Transport in Neurons. Frontiers In Cell And Developmental Biology 2022, 10: 876893. PMID: 35646935, PMCID: PMC9133736, DOI: 10.3389/fcell.2022.876893.Peer-Reviewed Original ResearchAmyotrophic lateral sclerosisTDP-43A315TAxonal transportTDP-43 variantsMotor neuron degenerationTDP-43 mutationsNeuron degenerationLateral sclerosisTransport deficitsAnterograde transportNeuronsK mutationDisease-linked mutationsMotilityKey determinantPossible mechanismMutationsPrevious findingsRetrograde motilityTransport granulesAdaptor proteinSclerosisDeterminantsGranule transport