ArticleGenes2026
A Comprehensive Bioinformatic Analysis of SLC52A3 as a Prognostic Biomarker and Potential Therapeutic Target in Gynecological Cancers.
Article in Genes, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
BACKGROUND/
objectivesThe gene solute carrier family 52 member 3 (SLC52A3) encodes riboflavin transporter-3, a transmembrane protein essential for riboflavin absorption. Emerging evidence suggests that metabolic transporters may play a role in tumor biology. This study aimed to investigate the expression patterns, prognostic significance, genetic alterations, and functional associations of SLC52A3 in gynecological cancers.
methodsA comprehensive bioinformatic analysis was conducted using multi-omics datasets from The Cancer Genome Atlas (TCGA). Gene expression and survival analyses were performed via GEPIA3. Genetic alterations, including mutations and copy number variations, were assessed using cBioPortal. Immune infiltration correlations were analyzed through TIMER3. Protein-protein interactions and gene enrichment analyses were performed using STRING and GEPIA2, followed by Gene Ontology (GO) and KEGG pathway analyses.
resultsSLC52A3 expression was significantly upregulated in ovarian, cervical, and endometrial cancers. Reduced expression of SLC52A3 was associated with poorer overall survival and shorter progression-free interval specifically in endometrial cancer. Genetic alterations in SLC52A3 were not significantly associated with survival outcomes (OS, DFS, and PFS). Functional enrichment analysis indicated that SLC52A3 is involved in biological processes such as cell junction organization and protein localization to the plasma membrane. Additionally, SLC52A3 expression showed positive correlations with genes implicated in tumor progression and metastasis, including NECTIN4, PROM2, TACSTD2, PKP3, SEMA4B, and CD46.
conclusionsThese findings suggest that SLC52A3 may serve as a potential prognostic biomarker in endometrial cancer and could play a role in tumor progression pathways. Its functional associations highlight its potential relevance as a therapeutic target, warranting further experimental validation.
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