Clustered miRNAs and their role in biological functions and diseases

Shama P. Kabekkodu, Vaibhav Shukla, Vinay K. Varghese, Jeevitha D' Souza, Sanjiban Chakrabarty, Kapaettu Satyamoorthy

Research output: Contribution to journalArticlepeer-review

239 Citations (Scopus)


MicroRNAs (miRNAs) are endogenous, small non-coding RNAs known to regulate expression of protein-coding genes. A large proportion of miRNAs are highly conserved, localized as clusters in the genome, transcribed together from physically adjacent miRNAs and show similar expression profiles. Since a single miRNA can target multiple genes and miRNA clusters contain multiple miRNAs, it is important to understand their regulation, effects and various biological functions. Like protein-coding genes, miRNA clusters are also regulated by genetic and epigenetic events. These clusters can potentially regulate every aspect of cellular function including growth, proliferation, differentiation, development, metabolism, infection, immunity, cell death, organellar biogenesis, messenger signalling, DNA repair and self-renewal, among others. Dysregulation of miRNA clusters leading to altered biological functions is key to the pathogenesis of many diseases including carcinogenesis. Here, we review recent advances in miRNA cluster research and discuss their regulation and biological functions in pathological conditions.

Original languageEnglish
Pages (from-to)1955-1986
Number of pages32
JournalBiological Reviews
Issue number4
Publication statusPublished - 01-11-2018

All Science Journal Classification (ASJC) codes

  • General Biochemistry,Genetics and Molecular Biology
  • General Agricultural and Biological Sciences


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