Journal
JOURNAL OF CELLULAR BIOCHEMISTRY
Volume 115, Issue 5, Pages 910-918Publisher
WILEY
DOI: 10.1002/jcb.24733
Keywords
HEART DEVELOPMENT; LONG NONCODING RNA; MICROARRAY; BIOINFORMATICS
Categories
Funding
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- National Natural Science Foundation of China [81370278]
- Natural Science Foundation of Jiangsu Province, China [SBK201340683]
- Talent Foundation of Jiangsu Province, China [WSN-020]
- Postgraduate Research and Innovation Project in Jiangsu Province, China [CXZZ13_0575]
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Long noncoding RNAs (lncRNAs) represent a sub-group of noncoding RNAs that are longer than 200 nucleotides. The characterization of lncRNAs and their acceptance as crucial regulators of numerous developmental and biological pathways have suggested that the lncRNA study has gradually become one of the hot topics in the field of RNA biology. Many lncRNAs show spatially and temporally restricted expression patterns during embryogenesis and organogenesis. This study aimed to characterize the lncRNA profile of the fetal mouse heart at three key time points (embryonic day E11.5, E14.5, and E18.5) in its development, by performing a microarray lncRNAs screen. Gene Ontology analysis and ingenuity pathway analysis showed some significant gene functions and pathways were altered in heart development process. We compared lncRNAs profile between the three points (E14.5 vs. E11.5 [early development]; E18.5 vs. E14.5 [later development]). A total of 1,237 lncRNAs were found to have consistent fold changes (>2.0) between the three time points. Among them, 20 dysregulated lncRNAs were randomly selected and confirmed by real-time qRT-PCR. Additionally, bioinformatics analysis of AK011347 suggested it may be involved in heart development through the target gene Map3k7. In summary, this study identified differentially expressed lncRNAs in the three time points studied, and these lncRNAs may provide a new clue of mechanism of normal heart development. J. Cell. Biochem. 115: 910-918, 2014. (c) 2013 Wiley Periodicals, Inc.
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