背景烟碱的醋胆素受体子单元 a4 基因(CHRNA4 ) 可能与在以前的研究吸行为被联系,这被报导了。直到现在,在 CHRNA4 和吸烟开始之间的关系上有很少报告。在这研究,我们试着在 CHRNA4 探索二多型性的角色( rs 1044396 并且 rs 1044397 )在在中国男 smokers.Methods 吸开始和烟碱依赖, 966 个中国男一生不抽烟的人和吸烟者被 Fagerstr (o) m 测试为烟碱依赖( FTND )估计,吸烟数量(平方)和吸索引( HSI )的重。所有题目基于他们的烟草使用历史和 FTND 分数被划分成四个组。聚合酶链反应限制碎片长度多型性(PCR-RFLP ) 被执行在 x2 测试显示出的这些 subjects.Results 发现二 CHRNA4 的多型性那 rs1044396 显著地与吸开始被联系(x2=4.65, P=0.031 ) 当 rs1044396 和 rs1044397 显著地与烟碱依赖被联系时(x2=5.42, P=0.020;x2=758, P=0.005 ) 。而且, rs1044396-rs1044397 的 T-G (3.9%) haplotype 与吸开始显示出重要协会(x2=6.30, P=0.012 ) 并且 C-G haplotype (58.9%) 与烟碱依赖仍然是积极协会(x2=8.64, P=0.003 ) 在 Bonferroni 修正以后。C-G haplotype 显著地也在 Bonferroni correction.Conclusion 以后增加了 HSI (P=0.002 ) 和 FTND 分数(P=0.001 ) 这些调查结果建议 CHRNA4 可以与吸开始和 rs1044396-rs1044397 的 C-G haplotype 被联系可能在中国男吸烟者增加危险到烟碱依赖。
Background it has been reported that the nicotinic acetylcholine receptor subunit a4 gene (CHRNA4) might be associated with smoking behaviors in the previous studies. Up to now, there are few reports on the relationship between CHRNA4 and smoking initiation, in this study, we tried to explore the role of two polymorphisms in CHRNA4 (rs1044396 and rs1044397) in smoking initiation and nicotine dependence in Chinese male smokers. Methods Nine hundred and sixty-six Chinese male lifetime nonsmokers and smokers were assessed by the Fagerstr6m test for nicotine dependence (FTND), smoking quantity (SQ) and the heaviness of smoking index (HSI).