期刊
EXPERIMENTAL CELL RESEARCH
卷 368, 期 2, 页码 225-235出版社
ELSEVIER INC
DOI: 10.1016/j.yexcr.2018.05.001
关键词
iPSC-derived neurons; RNA-seq; GABA; HDAC6; acetylated alpha-tubulin; HDAC6 inhibitors
资金
- Telethon Italy
- EuroBioBank network
- Associazione Italiana Rett O.N.L.U.S.
- COST Action EpiChemBio [CM1406]
- Italian Health Ministry [RF-2010-2317597]
Mutations in MECP2 gene have been identified in more than 95% of patients with classic Rett syndrome, one of the most common neurodevelopmental disorders in females. Taking advantage of the breakthrough technology of genetic reprogramming, we investigated transcriptome changes in neurons differentiated from induced Pluripotent Stem Cells (iPSCs) derived from patients with different mutations. Profiling by RNA-seq in terminally differentiated neurons revealed a prominent GABAergic circuit disruption along with a perturbation of cytoskeleton dynamics. In particular, in mutated neurons we identified a significant decrease of acetylated a-tubulin which can be reverted by treatment with selective inhibitors of HDAC6, the main a-tubulin deacetylase. These findings contribute to shed light on Rett pathogenic mechanisms and provide hints for the treatment of Rett-associated epileptic behavior as well as for the definition of new therapeutic strategies for Rett syndrome.
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