ArticleFrontiers in oncology2025
Whole-exome sequencing in Saudi colorectal cancer patients reveals distinct mutational patterns and population specific pathogenic variants.
Article in Frontiers in oncology, 2025. 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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Abstract
Background: Colorectal cancer (CRC) shows significant inter-population heterogeneity in its genomic landscape, yet Middle Eastern populations are underrepresented in large-scale sequencing studies. This exploratory study aims to characterize somatic mutations and disrupted signaling pathways in Saudi Arabian CRC patients. Methods: We performed whole-exome sequencing (WES) on tumor DNA from 24 Saudi CRC patients. Somatic variants were identified and analyzed in a curated panel of cancer-related genes. Comparative analysis was conducted against The Cancer Genome Atlas colorectal cancer dataset (TCGA-COADREAD), and pathway enrichment analysis was performed. Results: Somatic variants were identified in 23 tumors, with recurrent mutations in Conclusion: Our results reveal a distinct mutational profile in Saudi CRC patients, characterized by novel and enriched somatic variants affecting key oncogenic pathways. These findings underscore the necessity of including underrepresented populations in cancer genomics to support globally equitable precision oncology.
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