期刊
CLINICAL BREAST CANCER
卷 23, 期 3, 页码 272-280出版社
CIG MEDIA GROUP, LP
DOI: 10.1016/j.clbc.2022.12.017
关键词
Genomics; Genotypes; Haplotypes; Hormone cancers; Insulin-like growth factor 2 mRNA binding protein 2
类别
This study investigated the association of IGF2BP2 rs4402960 and rs1470579 variants with breast cancer (BC) and triple negative BC (TNBC). The results showed a significant positive association between rs440960 and BC, and a significant negative association between rs1470579 and TNBC. These findings suggest the potential diagnostic/prognostic role of rs4402960 and rs1470579 in BC and its complications.
in BC and TNBC. Background: Several studies documented that insulin-like growth factor-2 mRNA-binding protein 2 (IGF2BP2) contributes to carcinogenesis, and 1 report documented the association of IGF2BP2 rs4402960 with increased risk of breast cancer (BC). This study investigated the association of rs4402960 and rs1470579 IGF2BP2 variants with BC and triple negative BC (TNBC). Materials and Methods: This case-control study included 488 BC patients comprising 130 TNBC and 358 non-TNBC patients, and 476 cancer-free controls. Genomic DNA was obtained from peripheral venous blood, and genotyping was done by allelic exclusion method on real-time PCR. Results: The rs440960, but not rs1470579, minor allele was significantly associated with BC, and significantly higher rs4402960 T/T genotype frequency was noted in BC patients than controls; the distribution of rs1470579 genotypes were comparable between BC patients and controls. In contrast, significantly lower rs1470579 minor allele frequency, and reduced rs1470579 A/C and C/C, and rs4402960 T/T genotype frequencies were seen in TNBC cases. Among TNBC cases, rs4402960 and rs1470579 correlated with menses pattern, histological type, breastfeeding, oral contraceptive use and hormonotherapy. Among non-TNBC patients, and rs1470579 correlated significantly with breast feeding, oral contraceptive use, hormonotherapy, and nodal status; rs4402960 also correlated with menses pattern. Two-locus (rs440960-rs1470579) haplotype analysis confirmed the positive association of TC, and negative association of GC and TA haplotypes with BC, while TC and GC haplotypes were negatively associated with TNBC. Conclusion: Whereas rs440960 was positively associated with BC, both rs4402960 and rs1470579 were negatively associated with TNBC, suggesting potential diagnostic/prognostic role in BC and its complications.
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