Title |
New roles for “old” microRNAs in nervous system function and disease
|
---|---|
Published in |
Frontiers in Molecular Neuroscience, January 2013
|
DOI | 10.3389/fnmol.2013.00051 |
Pubmed ID | |
Authors |
Marion Hartl, Ilona C. Grunwald Kadow |
Abstract |
Since their discovery, microRNAs became prominent candidates providing missing links on how to explain the developmental and phenotypical variation within one species or among different species. In addition, microRNAs were implicated in diseases such as neurodegeneration and cancer. More recently, the regulation of animal behavior was shown to be influenced by microRNAs. In spite of their numerous functions, only a few microRNAs were discovered by using classic genetic approaches. Due to the very mild or redundant phenotypes of most microRNAs or their genomic location within introns of other genes many regulatory microRNAs were missed. In this review, we focus on three microRNAs first identified in a forward genetic screen in invertebrates for their essential function in animal development, namely bantam, let-7, and miR-279. All three are essential for survival, are not located in introns of other genes, and are highly conserved among species. We highlight their important functions in the nervous system and discuss their emerging roles, especially during nervous system disease and behavior. |
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Student > Bachelor | 5 | 14% |
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Other | 7 | 19% |
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Other | 2 | 6% |
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