Comprehensive analysis of differentially expressed lncRNAs and associated ceRNA networks in Patau syndrome

Objective: LncRNAs are a class of competing for endogenous RNAs (ceRNAs) with no coding ability and have miRNA binding sites that competitively bind to miRNAs and inhibit miRNA-mediated regulation of target genes. In recent years, an increasing number of studies have recognized the biological functions of lncRNAs.Methods: Illumina RNA-Seq technology was used to analyze the cord blood with Patau syndrome (PS) fetal and the peripheral blood of pregnant women to obtain differential expression profiles of lncRNAs, miRNAs, and mRNAs. Further, Combined with bioinformatics analysis of the biological functions of differentially expressed lncRNAs (DElncRNAs). Results: The results showed that 467 DElncRNAs, 8512 differentially expressed mRNAs (DEmRNAs), and 18 differentially expressed miRNAs (DEmiRNAs) were found to be co-expressed in cord blood and peripheral blood. The hsa-miR-15a-5p is located on chromosome 13. We constructed the ceRNA network with hsa-miR-15a-5p, lncRNAs as the bait, and mRNAs as the targe. Conclusion: We consider that the DElncRNAs may indirectly regulate the target gene CLASRP or KARS by binding hsa-miR-15a-5p to participate in the occurrence of PS.

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