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A Bioinformatics Pipeline for Investigating Molecular Evolution and Gene Expression using RNA-seq
Published on: May 28, 2021
Differentially expressed miRNAs in premature infants with retinopathy-a bioinformatics analysis
Yang Yang1, Jing-Jing Pan2, Xiao-Guang Zhou1
1Department of Neonatology, Children's Hospital Affiliated to Nanjing Medical University, Nanjing 210008, Jiangsu Province, China.
Insights
This study used bioinformatics to analyze microRNAs (miRNAs) in retinopathy of prematurity (ROP). Key miRNAs, lncRNAs, circRNAs, and signaling pathways were identified, offering insights into ROP development.
Area of Science:
- Ophthalmology
- Genetics
- Bioinformatics
Background:
- Retinopathy of prematurity (ROP) is a significant cause of vision impairment in premature infants.
- The molecular mechanisms underlying ROP, particularly the role of non-coding RNAs, require further elucidation.
Purpose of the Study:
- To identify differentially expressed microRNAs (miRNAs) involved in retinopathy of prematurity (ROP) using bioinformatics analysis.
- To predict and analyze related target genes, long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs).
Main Methods:
- Utilized publicly available miRNA expression profile data from ROP and control groups.
- Performed bioinformatics analysis to identify differentially expressed miRNAs, lncRNAs, circRNAs, and target genes.
- Conducted functional enrichment analysis on target genes to explore associated signaling pathways.
Main Results:
- Identified hsa-miRNA-128-3p and hsa-miRNA-9-5p as significantly differentially expressed in ROP.
- Found differential expression of lncRNAs (POLDIP2, GAS5, NEFL, UHRF1), circRNAs (ZNF280C_hsa_circ_001211, SIAE_hsa_circ_002083), and target gene QKI in ROP.
- Enrichment analysis implicated TGF-β, PI3K-Akt, and MAPK signaling pathways in ROP progression.
Conclusions:
- This bioinformatics analysis provides a comprehensive overview of differentially expressed miRNAs potentially involved in ROP.
- The identified molecular players and pathways offer potential targets for understanding and managing ROP.
Aim:
To reveal the role of miRNAs in retinopathy of prematurity (ROP) by bioinformatics analysis.
Methods:
The raw data of this study came from the researches of Wang et al and Zhao et al who analyzed the microRNA (miRNA) expression profile between ROP and controls. Based on the identified differentially expressed miRNAs, the related target genes, lncRNA and circRNA were predicted. Then we performed functional enrichment analysis to further analyze the functions of target genes.
Results:
Hsa-miRNA-128-3p and hsa-miRNA-9-5p showed significantly different expression in both studies. LncRNA of POLDIP2, GAS5, NEFL and UHRF1, circRNA of ZNF280C_hsa_circ_001211 and SIAE_hsa_circ_002083, tar-get gene of QKI showed meaningful differential expression in ROP. Enrichment analysis showed that TGF-β signaling pathway, PI3K-Akt signaling pathway and MAPK signaling pathway might play important roles in the prog-ress of ROP.
Conclusion:
This research may provide a comprehensive bioinformatics analysis of differentially expressed miRNAs which are possibly involved in ROP.
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