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Identification of sulforaphane regulatory network in hepatocytes by microarray data analysis based on GEO database
Lei Gao1,2, Jinshen Wang3, Yuhua Zhao1,2
1Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, P.R. China.
Bioscience Reports
|January 25, 2021
Summary
Sulforaphane (SFN), a compound from cruciferous vegetables, shows potential in cancer chemoprevention. This study identified heat shock protein 90 alpha (HSP90AA1) as a key molecule through which SFN may exert its effects on hepatocytes.
Area of Science:
- * Molecular biology
- * Bioinformatics
- * Cancer research
Background:
- * Cruciferous vegetables and their compounds, like Sulforaphane (SFN), are recognized for potential cancer chemoprevention properties.
- * The National Cancer Institute has identified SFN as a promising candidate for preventive intervention development.
- * Understanding the molecular mechanisms of SFN in target cells, such as hepatocytes, is crucial for its application.
Purpose of the Study:
- * To investigate the molecular mechanism of Sulforaphane (SFN) action on hepatocytes using bioinformatics analysis.
- * To identify key genes and pathways involved in SFN's effects on liver cells.
- * To explore the potential role of heat shock protein 90 alpha (HSP90AA1) in SFN-mediated hepatocyte modulation.
Main Methods:
- * Analysis of gene expression profiles from the Gene Expression Omnibus (GEO) database (GSE20479).
- * Identification of differentially expressed genes (DEGs) using ANOVA and Limma packages in R.
- * Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis.
- * Construction of a protein-protein interaction (PPI) network using STRING and Cytoscape to identify core genes.
- * Prediction of microRNAs (miRNAs) targeting the core gene HSP90AA1 using miRanda.
Main Results:
- * Differential gene expression analysis revealed significant changes in hepatocytes treated with SFN.
- * GO and KEGG analyses identified key biological functions and signaling pathways affected by SFN.
- * Heat shock protein 90 alpha (cytosolic), class A member 1 (HSP90AA1) was identified as a core gene through PPI network analysis.
- * Several miRNAs predicted to target HSP90AA1 were identified, suggesting a regulatory network.
Conclusions:
- * Sulforaphane (SFN) exerts its effects on hepatocytes through a complex molecular mechanism.
- * The study highlights HSP90AA1 as a potential key mediator of SFN's action in hepatocytes.
- * Bioinformatics analysis provides insights into the potential chemopreventive role of SFN by regulating HSP90AA1 and associated pathways.
