期刊
GENE EXPRESSION PATTERNS
卷 10, 期 4-5, 页码 199-206出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gep.2010.03.003
关键词
Toll-like receptors; NF-kappa B; Cactin; Early development; In situ hybridisation; Morpholino
资金
- Science Foundation Ireland
- EU
The immune system of teleost zebrafish (Danio redo) shows high similarity to mammalian counterparts sharing many innate immune components including Toll-Like Receptors (TLRs), cytokines, chemokines and complement molecules. As in mammals, zebrafish also contains the transcription factor NF-kappa B that plays dualist roles in innate immunity and early development. Indeed NF-kappa B members are expressed in different temporal patterns during the early stages of zebrafish embryogenesis indicating that each molecule is involved in specific developmental events. In the present study we employ zebrafish as a model to characterise the expression pattern and role of a novel NF-kappa B regulator, termed Cactin, in early development. Cactin was first characterised in Drosophila as a new member of the Rel pathway that could affect the generation of dorsal-ventral polarity. To explore the potential developmental role of Cactin in zebrafish, we initially investigated its expression pattern and functional role during early embryonic developmental stages. We detect Cactin expression at all stages of early development and knockdown of Cactin by specific morpholino antisense oligonucleotides causes developmental abnormalities manifested by an overall dysmorphic cellular organisation. These results indicate that Cactin has been highly conserved during evolution and plays a key role in early embryonic development. (C) 2010 Elsevier B.V. All rights reserved.
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