» Articles » PMID: 28100783

Dual Functional Roles of Molecular Beacon As a MicroRNA Detector and Inhibitor

Overview
Journal J Biol Chem
Specialty Biochemistry
Date 2017 Jan 20
PMID 28100783
Citations 4
Authors
Affiliations
Soon will be listed here.
Abstract

MicroRNAs are essential in many cellular processes. The ability to detect microRNAs is important for understanding its function and biogenesis. This study is aimed at using a molecular beacon to detect miR-430 in developing zebrafish embryos as a proof of principle. miR-430 is crucial for the clearance of maternal mRNA during maternal zygotic transition in embryonic development. Despite its known function, the temporal and spatial expression of miR-430 remains unclear. We used various imaging techniques, including laser scanning confocal microscopy, spinning disk, and lightsheet microscopy, to study the localization of miR-430 and any developmental defects possibly caused by the molecular beacon. Our results show that miR-430 is expressed early in development and is localized in distinct cytoplasmic granules where its target mRNA can be detected. We also show that the designed molecular beacon can inhibit the function of miR-430 and cause developmental defect in the brain, notochord, heart, and kidney, depending on the delivery site within the embryo, suggesting that miR-430 plays a diverse role in embryonic morphogenesis. When compared with morpholino, molecular beacon is 2 orders of magnitude more potent in inhibiting miR-430. Thus, our results reveal that in addition to being used as a valuable tool for the detection of microRNAs , molecular beacons can also be employed to inhibit microRNAs in a specific manner.

Citing Articles

miR-430 microRNA Family in Fishes: Molecular Characterization and Evolution.

Jimenez-Ruiz C, de la Herran R, Robles F, Navajas-Perez R, Cross I, Rebordinos L Animals (Basel). 2023; 13(15).

PMID: 37570208 PMC: 10417697. DOI: 10.3390/ani13152399.


Zebrafish neuromesodermal progenitors undergo a critical state transition .

Toh K, Saunders D, Verd B, Steventon B iScience. 2022; 25(10):105216.

PMID: 36274939 PMC: 9579027. DOI: 10.1016/j.isci.2022.105216.


A cell cycle-coordinated Polymerase II transcription compartment encompasses gene expression before global genome activation.

Hadzhiev Y, Qureshi H, Wheatley L, Cooper L, Jasiulewicz A, Van Nguyen H Nat Commun. 2019; 10(1):691.

PMID: 30741925 PMC: 6370886. DOI: 10.1038/s41467-019-08487-5.


Enhancing the Therapeutic Delivery of Oligonucleotides by Chemical Modification and Nanoparticle Encapsulation.

Sun Y, Zhao Y, Zhao X, Lee R, Teng L, Zhou C Molecules. 2017; 22(10).

PMID: 29027965 PMC: 6158866. DOI: 10.3390/molecules22101724.

References
1.
Wienholds E, Kloosterman W, Miska E, Alvarez-Saavedra E, Berezikov E, de Bruijn E . MicroRNA expression in zebrafish embryonic development. Science. 2005; 309(5732):310-1. DOI: 10.1126/science.1114519. View

2.
Kato Y, Miyaki S, Yokoyama S, Omori S, Inoue A, Horiuchi M . Real-time functional imaging for monitoring miR-133 during myogenic differentiation. Int J Biochem Cell Biol. 2009; 41(11):2225-31. PMC: 2806093. DOI: 10.1016/j.biocel.2009.04.018. View

3.
Stenvang J, Petri A, Lindow M, Obad S, Kauppinen S . Inhibition of microRNA function by antimiR oligonucleotides. Silence. 2012; 3(1):1. PMC: 3306207. DOI: 10.1186/1758-907X-3-1. View

4.
Lebreton A, Tomecki R, Dziembowski A, Seraphin B . Endonucleolytic RNA cleavage by a eukaryotic exosome. Nature. 2008; 456(7224):993-6. DOI: 10.1038/nature07480. View

5.
Kang W, Cho Y, Chae J, Lee J, Choi K, Kim S . Molecular beacon-based bioimaging of multiple microRNAs during myogenesis. Biomaterials. 2010; 32(7):1915-22. DOI: 10.1016/j.biomaterials.2010.11.007. View