MiR-433 and miR-127 Arise from Independent Overlapping Primary Transcripts Encoded by the miR-433-127 Locus
2008

Study of miR-433 and miR-127 Genes

publication Evidence: moderate

Author Information

Author(s): Song Guisheng, Wang Li

Primary Institution: Huntsman Cancer Institute, University of Utah

Hypothesis

The miR-433 and miR-127 genes may use overlapping genomic regions.

Conclusion

The study identifies an overlapping gene structure for miR-433 and miR-127, suggesting a novel way of maximizing genetic information.

Supporting Evidence

  • The primary transcripts of miR-433 and miR-127 were shown to overlap in a unidirectional manner.
  • Both miR-433 and miR-127 exhibited increased expression in SHP knockout mice compared to wild-type mice.
  • The study provides the first evidence of an economical structure for miRNA genes.

Takeaway

This study found that two genes, miR-433 and miR-127, share some of the same DNA space, which might help them work better together.

Methodology

The study used bioinformatics methods and experimental techniques to isolate and analyze the primary transcripts of miR-433 and miR-127.

Limitations

The study does not clarify how the 3' processing of these miRNAs occurs.

Digital Object Identifier (DOI)

10.1371/journal.pone.0003574

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