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Updated: Jun 4, 2025

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
Published on: December 11, 2016
Bioinformatics Based Drug Repurposing Approach for Breast and Gynecological Cancers: RECQL4/FAM13C Genes Address
1Department of Biomedical Engineering, Faculty of Engineering, İzmir University of Economics, İzmir, Turkey.
Objective:
The prevalence of breast cancer and gynaecological cancers is high, and these cancer types can occur consecutively as secondary cancers. The aim of our study is to determine the genes commonly expressed in these cancers and to identify the common hub genes and drug components.
Materials And Methods:
Gene intensity values of breast cancer, gynaecological cancers such as cervical, ovarian and endometrial cancers were used from the Gene Expression Omnibus database Affymetrix Human Genome U133 Plus 2.0 Array project. Using the linear modelling method included in the R LIMMA package, genes that differ between healthy individuals and cancer patients were identified. Hub genes were determined using cytoHubba in Cytoscape program. "ShinyGo 0.80" tool was used to determine the disease-specific biological KEGG pathways. Drug.MATADOR from the ShinyGo 0.80 tool was used to predict drug-target relationships.
Results:
The RecQ Like Helicase 4 and Family with Sequence Similarity 13 Member C genes were found to be similarly expressed in breast cancer and gynaecological cancers. Upon KEGG pathway analyses with hub genes, Drug.MATADOR analysis with hub genes related to cancer related pathways was performed. We have determined these gene/drug interactions: NBN (targeted by Hydroxyurea), EP300 (targeted by Acetylcarnitine) and MAPK14 (targeted by Salicylate and Dibutyryl cyclic AMP).
Conclusion:
The drugs associated with hub genes determined in our study are not routinely used in cancer treatment. Our study offers the opportunity to identify the target genes of drugs used in breast and gynaecological cancers with the drug repurposing approach.
Insights
This study identifies common genes and drug targets in breast and gynecological cancers. It suggests repurposing existing drugs for these cancers, offering new treatment avenues.
Area of Science:
- Oncology
- Genomics
- Pharmacology
Background:
- Breast and gynecological cancers have high prevalence and can occur as secondary malignancies.
- Identifying common molecular targets is crucial for understanding and treating these related cancers.
Purpose of the Study:
- To identify commonly expressed genes in breast and gynecological cancers.
- To pinpoint common hub genes and potential drug components for these cancers.
- To explore drug repurposing opportunities for breast and gynecological cancer treatment.
Main Methods:
- Utilized gene expression data from the Gene Expression Omnibus database.
- Employed R LIMMA package for differential gene expression analysis.
- Identified hub genes using Cytoscape and cytoHubba, and predicted drug-target relationships with ShinyGo's Drug.MATADOR tool.
Main Results:
- Identified RecQ Like Helicase 4 and Family with Sequence Similarity 13 Member C as commonly expressed genes.
- Determined gene-drug interactions: NBN-Hydroxyurea, EP300-Acetylcarnitine, and MAPK14-Salicylate/Dibutyryl cyclic AMP.
- KEGG pathway analysis highlighted cancer-related pathways involving hub genes.
Conclusions:
- The identified drug-gene interactions involve drugs not currently standard for cancer treatment.
- This research supports a drug repurposing strategy for breast and gynecological cancers.
- Offers potential for novel therapeutic approaches by targeting identified hub genes.
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