Please use this identifier to cite or link to this item: https://doi.org/10.1038/s41598-017-06904-7
Title: Ikk2 regulates cytokinesis during vertebrate development
Authors: Shen, H 
Shin, E.M
Lee, S
Mathavan, S
Koh, H 
Osato, M 
Choi, H 
Tergaonkar, V 
Korzh, V
Keywords: I kappa B kinase
immunoglobulin enhancer binding protein
animal
cell division
cell proliferation
cytokinesis
embryo development
female
gene expression regulation
metabolism
phosphorylation
physiology
signal transduction
transgenic animal
vertebrate
zebra fish
Animals
Animals, Genetically Modified
Cell Division
Cell Proliferation
Cytokinesis
Embryonic Development
Female
Gene Expression Regulation, Developmental
I-kappa B Kinase
NF-kappa B
Phosphorylation
Signal Transduction
Vertebrates
Zebrafish
Issue Date: 2017
Publisher: Nature Publishing Group
Citation: Shen, H, Shin, E.M, Lee, S, Mathavan, S, Koh, H, Osato, M, Choi, H, Tergaonkar, V, Korzh, V (2017). Ikk2 regulates cytokinesis during vertebrate development. Scientific Reports 7 (1) : 8094. ScholarBank@NUS Repository. https://doi.org/10.1038/s41598-017-06904-7
Abstract: NF?B signaling has a pivotal role in regulation of development, innate immunity, and inflammation. Ikk2 is one of the two critical kinases that regulate the NF?B signaling pathway. While the role of Ikk2 in immunity, inflammation and oncogenesis has received attention, an understanding of the role of Ikk2 in vertebrate development has been compounded by the embryonic lethality seen in mice lacking Ikk2. We find that despite abnormal angiogenesis in IKK2 zygotic mutants of zebrafish, the maternal activity of Ikk2 supports embryogenesis and maturation of fertile animals and allows to study the role of IKK2 in development. Maternal-zygotic ikk2 mutants represent the first vertebrates globally devoid of maternal and zygotic Ikk2 activity. They are defective in cell proliferation as evidenced by abnormal cytokinesis, nuclear enlargement and syncytialisation of a significant portion of blastoderm. We further document that reduced phosphorylation of Aurora A by Ikk2 could underlie the basis of these defects in cell division. © 2017 The Author(s).
Source Title: Scientific Reports
URI: https://scholarbank.nus.edu.sg/handle/10635/174405
ISSN: 2045-2322
DOI: 10.1038/s41598-017-06904-7
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