Correlation between single nucleotide polymorphisms of ERα gene and bone loss associated with aromatase inhibitors in postmenopausal women with breast cancer
10.11904/j.issn.1002-3070.2018.01.003
- VernacularTitle:ERα基因单核苷酸多态性与乳腺癌应用芳香化酶抑制剂引发骨丢失的相关性研究
- Author:
Yulian YIN
1
;
Weihong ZHANG
;
Yue ZHOU
;
Meina YE
;
Hongfeng CHEN
Author Information
1. 上海中医药大学附属龙华医院中医乳腺科
- Keywords:
Breast cancer;
Aromatase inhibitors;
Abnormal bone metabolism;
ER α genes;
Single nucleotide polymorphisms
- From:
Practical Oncology Journal
2018;32(1):14-18
- CountryChina
- Language:Chinese
-
Abstract:
Objective The aim of this study was to explore the correlation between postoperative aromatase inhibitor(AIs) -based bone metabolism and ERα gene rs9340799,rs2234693 single nucleotide polymorphisms(SNPs)in breast cancer.Methods One hundred and sixty-six breast cancer patients who underwent AIs treatment(≤2 years)were enrolled and hospitalized in our hospital from October 2015 to April 2017.The ERα gene rs9340799 and rs2234693 sites were sequenced and compared subtype of lumbar spine and femur,bone mineral density BMD value and the relationship between BMD value and T value.Results The BMD of lumbar spine in patients with ERα gene rs9340799 was significantly different when compared to those of A/A,A/G and G/G(P<0.01).The BMD of lumbar spine in patients with A/A and A/G genotypes were significantly higher than those in G/G genotypes(P<0.05).The BMD of lumbar spine in patients with ERα gene rs2234693 was significantly different when compared to those of T/T,T/C and C/C(P<0.01). The BMD of lumbar spine in patients with T/T and C/T genotypes were significantly higher than those in C/C genotypes(P<0.05). However,there was no difference in femoral BMD,lumbar spine,and femur T between the 2 subtypes of patients with genotypes(P>0.05).Conclusion Aromatase inhibitor-related bone loss(AIBL)may be related to ERα gene phenotype.In ERα gene rs9340799 and rs2234693 loci,C and G alleles may be susceptible genes for aromatase inhibitor-related bone loss(AIBL).
