Assessing miR-451 Activity and Its Role in Erythropoiesis

  • Dmitry A. Kretov
  • Andrew M. Shafik
  • Daniel CifuentesEmail author
Part of the Methods in Molecular Biology book series (MIMB, volume 1680)


The ability to microinject small RNAs and mRNAs into zebrafish embryos, of different genetic backgrounds, allows for the precise dissection of microRNA processing pathways at the molecular level, while simultaneously provides insight into their physiologic role. Here, we apply such an approach to determine the impact of Argonaute 2 in the processing of miR-451, a vertebrate-specific microRNA required for terminal erythrocyte differentiation. This was achieved using fluorescent microRNA reporter sensor assays and phenotype rescue experiments.

Key words

Zebrafish MicroRNA Ago2 Microinjection miR-451 Erythrocyte 



This work was supported by the Eunice Kennedy Shriver National Institute of Child Health and Human Development-NIH grant R00HD071968.


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Copyright information

© Springer Science+Business Media LLC 2018

Authors and Affiliations

  • Dmitry A. Kretov
    • 1
  • Andrew M. Shafik
    • 1
  • Daniel Cifuentes
    • 1
    Email author
  1. 1.Department of BiochemistryBoston University School of MedicineBostonUSA

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