Functional Classification and Experimental Dissection of Long Noncoding RNAs

Florian Kopp, Joshua T. Mendell

Research output: Contribution to journalReview articlepeer-review

2014 Scopus citations


Over the last decade, it has been increasingly demonstrated that the genomes of many species are pervasively transcribed, resulting in the production of numerous long noncoding RNAs (lncRNAs). At the same time, it is now appreciated that many types of DNA regulatory elements, such as enhancers and promoters, regularly initiate bi-directional transcription. Thus, discerning functional noncoding transcripts from a vast transcriptome is a paramount priority, and challenge, for the lncRNA field. In this review, we aim to provide a conceptual and experimental framework for classifying and elucidating lncRNA function. We categorize lncRNA loci into those that regulate gene expression in cis versus those that perform functions in trans and propose an experimental approach to dissect lncRNA activity based on these classifications. These strategies to further understand lncRNAs promise to reveal new and unanticipated biology with great potential to advance our understanding of normal physiology and disease. Identifying functional noncoding transcripts within a complex transcriptome remains a challenge. This review explores examples of known functional lncRNAs and then presents a framework for unlocking biological insights from new lncRNAs of interest.

Original languageEnglish (US)
Pages (from-to)393-407
Number of pages15
Issue number3
StatePublished - Jan 25 2018


  • lncRNA
  • noncoding RNA

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)


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