ArticlePharmacogenetics and genomics2014
Single nucleotide polymorphisms in AREG and EREG are prognostic biomarkers in locally advanced gastric cancer patients after surgery with curative intent.
Article in Pharmacogenetics and genomics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 4 citations in OpenAlex.
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- Polymorphism in the EREG gene confers susceptibility to tuberculosis.BMC medical genetics · 2019Article
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16 authors at 3 institutions in 2 countries.
Funding
Abstract
objectiveAmphiregulin (AREG) and epiregulin (EREG) are important ligands to the epithelial growth factor receptor, which is involved in the regulation of progression and stemness in gastric cancer (GC). This study investigated whether frequent single nucleotide polymorphisms (SNPs) in genes of AREG and EREG are associated with recurrence-free survival and overall survival in patients with locally advanced GC.
methodsSNPs with a minor allele frequency of at least 10% were analyzed using direct DNA sequencing in two independent study populations.
resultsThe minor allele of AREG rs1615111 was associated with a significantly higher 3-year recurrence rate and lower 3-year survival rate [hazard ratio (HR)=2.21 and 2.35, respectively] compared with patients homozygous for the dominant allele G. The value for overall survival could be validated with a HR of 2.54 (P=0.018) in an independent cohort. Patients homozygous for the minor allele A of EREG rs12641042 had a significantly higher 3-year survival rate than patients with allele C (HR 0.48; P=0.034), but significance was lost in multivariable analysis (P=0.066). The value of rs12641042 could not be validated (P=0.98). Exploratory multivariable subgroup analysis showed the strongest prognostic value for rs1615111 in tumors with a diffuse histology (Pfor interaction=0.004).
conclusionAREG rs1615111, located in the AREG genomic region, can significantly define different prognostic cohorts in locally advanced GC. This value is most evident in GC patients with diffuse histology, which might be relevant as none of the trials testing epithelial growth factor receptor inhibitors has been enriched for diffuse histology or a molecularly defined population.
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