Identification and Verification of Candidate Genes Regulating Neural Stem Cells Behavior Under Hypoxia

Cellular Physiology and Biochemistry : International Journal of Experimental Cellular Physiology, Biochemistry, and Pharmacology
Zhongju ShiShiqing Feng

Abstract

Neural stem cells (NSCs) reside in a hypoxic environment, and hypoxia plays an important role in their development and differentiation. This study aimed to explore the underlying mechanisms by which hypoxia affects NSC behavior. In the current study, we downloaded the gene expression dataset GSE68572 and identified the differentially expressed genes (DEGs) by analyzing high-throughput gene expression in hypoxic and normoxic NSCs. Subsequently, we analyzed these data using a combined bioinformatics approach and predicted the microRNAs (miRNAs) targeting the key gene using miRNA databases. Quantitative real-time PCR (qRT-PCR) was used to validate the expression of the top five DEGs. In total, 1347 genes were identified as DEGs. We identified the predominant gene ontology categories and Kyoto Encyclopedia of Genes and Genomes pathways that were significantly over-represented in the hypoxic NSCs. A protein-protein interaction network he identification of miRNAs and their putative targets may offer new diagnostic and therapeutic strategies for liver cancer the top 10 core genes. Vascular endothelial growth factor A (VEGFA) had the highest degree and may be the key gene concerning NSC behavior under hypoxia. Further validation of the...Continue Reading

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