Local regulation of gene expression by lncRNA promoters, transcription, and splicing
Transcriptomics Dataset
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General Information
| Accession | GSE85798 |
| Title | Local regulation of gene expression by lncRNA promoters, transcription, and splicing |
| Description | Mammalian genomes are pervasively transcribed to produce thousands of spliced long noncoding RNAs (lncRNAs), whose functions remain poorly understood. Because recent evidence has implicated several specific lncRNA loci in the local regulation of gene expression, we sought to determine whether such local regulation is a property of many lncRNA loci. We used genetic manipulations to dissect 12 genomic loci that produce lncRNAs and found that 5 of these loci influence the expression of a neighboring gene in cis. Surprisingly, however, none of these effects required the specific lncRNA transcripts themselves and instead involved general processes associated with their production, including enhancer-like activity of gene promoters, the process of transcription, and the splicing of the transcript. Interestingly, such effects are not limited to lncRNA loci: we found similar effects on local gene expression at 4 of 6 protein-coding loci. These results demonstrate that crosstalk among neighboring genes is a prevalent phenomenon that can involve multiple mechanisms and cis regulatory signals, including a novel role for RNA splice sites. These mechanisms may coordinate the expression of neighboring genes and explain the function and evolution of some genomic loci that produce lncRNAs. |
| Landing Page | https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE85798 |
| Repository | Gene Expression Omnibus |
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