التفاصيل البيبلوغرافية
| العنوان: |
Antisense Transcription across Nucleotide Repeat Expansions in Neurodegenerative and Neuromuscular Diseases: Progress and Mysteries. |
| المؤلفون: |
Castro, Ana F.1,2,3 (AUTHOR) afcastro@i3s.up.pt, Loureiro, Joana R.1,2 (AUTHOR) joana.loureiro@ibmc.up.pt, Bessa, José2,4 (AUTHOR), Silveira, Isabel1,2 (AUTHOR) isilveir@ibmc.up.pt |
| المصدر: |
Genes. Dec2020, Vol. 11 Issue 12, p1418-1418. 1p. |
| مصطلحات موضوعية: |
*NEURODEGENERATION, *AMYOTROPHIC lateral sclerosis, *NEUROMUSCULAR diseases, *GENETIC regulation, *HUNTINGTON disease, *ANTISENSE RNA |
| مستخلص: |
Unstable repeat expansions and insertions cause more than 30 neurodegenerative and neuromuscular diseases. Remarkably, bidirectional transcription of repeat expansions has been identified in at least 14 of these diseases. More remarkably, a growing number of studies has been showing that both sense and antisense repeat RNAs are able to dysregulate important cellular pathways, contributing together to the observed clinical phenotype. Notably, antisense repeat RNAs from spinocerebellar ataxia type 7, myotonic dystrophy type 1, Huntington's disease and frontotemporal dementia/amyotrophic lateral sclerosis associated genes have been implicated in transcriptional regulation of sense gene expression, acting either at a transcriptional or posttranscriptional level. The recent evidence that antisense repeat RNAs could modulate gene expression broadens our understanding of the pathogenic pathways and adds more complexity to the development of therapeutic strategies for these disorders. In this review, we cover the amazing progress made in the understanding of the pathogenic mechanisms associated with repeat expansion neurodegenerative and neuromuscular diseases with a focus on the impact of antisense repeat transcription in the development of efficient therapies. [ABSTRACT FROM AUTHOR] |
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