- Tytuł:
- Silencing of genes responsible for polyQ diseases using chemically modified single-stranded siRNAs
- Autorzy:
-
Fiszer, Agnieszka
Ellison-Klimontowicz, Marianna
Krzyzosiak, Wlodzimierz - Powiązania:
- https://bibliotekanauki.pl/articles/1038736.pdf
- Data publikacji:
- 2016
- Wydawca:
- Polskie Towarzystwo Biochemiczne
- Tematy:
-
siRNA
CAG repeats
polyglutamine diseases
Huntington's disease - Opis:
- Polyglutamine (polyQ) diseases comprise a group of nine genetic disorders that are caused by the expansion of the CAG triplet repeat, which encodes glutamine, in unrelated single genes. Various oligonucleotide (ON)-based therapeutic approaches have been considered for polyQ diseases. The very attractive CAG repeat-targeting strategy offers selective silencing of the mutant allele by directly targeting the mutation site. CAG repeat-targeting miRNA-like siRNAs have been shown to specifically inhibit the mutant gene expression, and their characteristic feature is the formation of mismatches in their interactions with the target site. Here, we designed novel single-stranded siRNAs that contain base substitutions and chemical modifications, in order to develop improved therapeutic tools with universal properties for several polyQ diseases. We tested these ONs in cellular models of Huntington's disease (HD), spinocerebellar ataxia type 3 (SCA3) and dentatorubral-pallidoluysian atrophy (DRPLA). Selected siRNAs caused the efficient and selective downregulation of the mutant huntingtin, ataxin-3 and atrophin-1 levels in cultured human fibroblasts. We also prove the efficiency of novel ONs, with chemical modification pattern mainly containing 2'-fluoro (2'F), in HD mouse striatal cells.
- Źródło:
-
Acta Biochimica Polonica; 2016, 63, 4; 759-764
0001-527X - Pojawia się w:
- Acta Biochimica Polonica
- Dostawca treści:
- Biblioteka Nauki
Artykuł