ArticlePloS one2018
Genetic susceptibility markers for a breast-colorectal cancer phenotype: Exploratory results from genome-wide association studies.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 20 citations in OpenAlex.
- The bioinformatics approach to identifying pathogenic variants for colorectal cancer (CRC).Journal, genetic engineering & biotechnology · 2026Article
- Article
- Germline DNA Damage Repair Gene Alterations in Patients with Metachronous Breast and Colorectal Cancer.International journal of molecular sciences · 2024Article
- Article
- Genome-Wide Analysis of Rare Haplotypes Associated with Breast Cancer Risk.Cancer research · 2023Article
- MicroRNAs Regulate Tumorigenesis by Downregulating SOCS3 Expression: AnBioinformatics and biology insights · 2023Article
- Investigating the relationship between cancer and orofacial clefts using GWAS significant loci for cancers: A case-control and case-triad study.Frontiers in oral health · 2022Article
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Authors and funding
28 authors at 12 institutions in 3 countries.
Funding
Abstract
backgroundClustering of breast and colorectal cancer has been observed within some families and cannot be explained by chance or known high-risk mutations in major susceptibility genes. Potential shared genetic susceptibility between breast and colorectal cancer, not explained by high-penetrance genes, has been postulated. We hypothesized that yet undiscovered genetic variants predispose to a breast-colorectal cancer phenotype.
methodsTo identify variants associated with a breast-colorectal cancer phenotype, we analyzed genome-wide association study (GWAS) data from cases and controls that met the following criteria: cases (n = 985) were women with breast cancer who had one or more first- or second-degree relatives with colorectal cancer, men/women with colorectal cancer who had one or more first- or second-degree relatives with breast cancer, and women diagnosed with both breast and colorectal cancer. Controls (n = 1769), were unrelated, breast and colorectal cancer-free, and age- and sex- frequency-matched to cases. After imputation, 6,220,060 variants were analyzed using the discovery set and variants associated with the breast-colorectal cancer phenotype at P<5.0E-04 (n = 549, at 60 loci) were analyzed for replication (n = 293 cases and 2,103 controls).
resultsMultiple correlated SNPs in intron 1 of the ROBO1 gene were suggestively associated with the breast-colorectal cancer phenotype in the discovery and replication data (most significant; rs7430339, Pdiscovery = 1.2E-04; rs7429100, Preplication = 2.8E-03). In meta-analysis of the discovery and replication data, the most significant association remained at rs7429100 (P = 1.84E-06).
conclusionThe results of this exploratory analysis did not find clear evidence for a susceptibility locus with a pleiotropic effect on hereditary breast and colorectal cancer risk, although the suggestive association of genetic variation in the region of ROBO1, a potential tumor suppressor gene, merits further investigation.
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