Research Papers:

Competitive endogenous RNA networks: integrated analysis of non-coding RNA and mRNA expression profiles in infantile hemangioma

Jun Li, Qian Li, Ling Chen, Yanli Gao, Bei Zhou and Jingyun Li _

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Oncotarget. 2018; 9:11948-11963. https://doi.org/10.18632/oncotarget.23946

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Jun Li1, Qian Li1, Ling Chen1, Yanli Gao1, Bei Zhou1 and Jingyun Li1

1Department of Plastic and Cosmetic Surgery, Maternal and Child Health Medical Institute, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing 210004, China

Correspondence to:

Jingyun Li, email: [email protected]

Keywords: non-coding RNA; lncRNA; miRNA; mRNA; infantile hemangioma

Received: August 16, 2017     Accepted: December 30, 2017     Published: January 04, 2018


Infantile hemangioma (IH) is the most common vascular tumour in infants. The pathogenesis of IH is complex and poorly understood. Therefore, achieving a deeper understanding of IH pathogenesis is of great importance. Here, we used the Ribo-Zero RNA-Seq and HiSeq methods to examine the global expression profiles of protein-coding transcripts and non-coding RNAs, including miRNAs and lncRNAs, in IH and matched normal skin controls. Bioinformatics assessments including gene ontology (GO) and kyoto encyclopedia of genes and genomes (KEGG) pathway analyses were performed. Of the 16370 identified coding transcripts, only 144 were differentially expressed (fold change ≥ 2, P ≤ 0.05), including 84 up-regulated and 60 down-regulated transcripts in the IH samples compared with the matched normal skin controls. Gene ontology analysis of these differentially expressed transcripts revealed 60 genes involved in immune system processes, 62 genes involved in extracellular region regulation, and 35 genes involved in carbohydrate derivative binding. In addition, 256 lncRNAs and 142 miRNAs were found to be differentially expressed. Of these, 177 lncRNAs and 42 miRNAs were up-regulated in IH, whereas 79 lncRNAs and 100 miRNAs were down-regulated. By analysing the Ribo-Zero RNA-Seq data in combination with the matched miRNA profiles, we identified 1256 sponge modulators that participate in 87 miRNA-mediated, 70 lncRNA-mediated and 58 mRNA-mediated interactions. In conclusion, our study uncovered a competitive endogenous RNA (ceRNA) network that could further the understanding of the mechanisms underlying IH development and supply new targets for investigation.

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