Abstract

Mammalian brain is abundantly enriched with long noncoding RNAs (LncRNAs). Functional roles of LncRNAs in normal and pathological states are not yet understood. This study identified that LncRNA FosDT induced after transient focal ischemia modulates poststroke behavioral deficits and brain damage. These effects of FosDT in part are due to its interactions with chromatin-modifying proteins Sin3a and coREST (corepressors of the transcription factor REST) and subsequent derepression of REST-downstream genes GRIA2, NFκB2, and GRIN1. Therefore, LncRNA-mediated epigenetic remodeling could determine stroke outcome.

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