학술논문
肿瘤坏死因子-α-238基因多态性与肿瘤化疗后乙型肝炎病毒再激活的关系 / Correlation between TNF-α-238 gene polymorphism and hepatitis B virus reactivation in patients with malignant tumors after chemotherapy
Document Type
Academic Journal
Author
Source
中华老年医学杂志 / Chinese Journal of Geriatrics. 34(7):756-759
Subject
Language
Chinese
ISSN
0254-9026
Abstract
目的 探讨肿瘤坏死因子(TNF)-a-238基因多态性与肿瘤患者化疗后乙型肝炎病毒(HBV)再激活的关系. 方法 采用聚合酶联反应-限制性片断长度多态性(PCR-RFLP)分析法检测100例携带HBV的肿瘤患者TNF-α基因启动子TNF-α-238的多态性;对HBV感染者检测化疗前和化疗后HBV-DNA水平,HBV-DNA水平增加不低于10倍或绝对值达到1×109拷贝/ml视为再激活. 结果 化疗后HBV-DNA定量[(3.02±0.68) logcopies/ml]较化疗前[(2.49±0.23)logcopies/ml]高(t=7.383,P=0.000);携带HBV的肿瘤患者接受化疗后,HBV再激活组22例G/A所占比例(27.3％,6/22)明显高于未激活组78例G/A所占比例(3.8％,3/78)(x2=11.499,P-0.001). 结论 携带HBV的肿瘤患者化疗后HBV再激活与TNF-α-238基因型的多态性有关.
Objective To investigate the correlation between the single nucleotide polymorphism (SNP) of tumor necrosis factor (TNF-α) gene promotor-238 and hepatitis B virus (HBV) reactivation in patients with malignant tumors after chemotherapy.Methods Polymerase chain reaction-restriction fragment length polymorphism assay (PCR-RFLP) was used to detect the SNPat TNF-α-238 site among 100 malignant tumor patients with HBV infection.HBV-DNA levels in patients were detected before and after chemotherapy.HBV reactivation was defined as that HBV-DNA level greater than 10-fold increase compared with before chemotherapy or higher than 1 × 109 logcopies/ml.Results The quantification of HBV-DNA was higher after chemotherapy than before chemotherapy [(3.02±0.68) logcopies/ml vs.(2.49±0.23) logcopies/ml,t=-7.383,P=0.000].Among the patients with malignant tumor and HBV infection,the genotype frequency of G/A was higher in HBV reactivation group than in non-reactivation group after chemotherapy [27.3％ (6/22) vs.3.8％ (3/ 78),x2 =11.499,P=0.001].Conclusions HBV reactivation is associated with TNF-α-238 gene polymorphism in malignant tumor patients with HBV infection after chemotherapy.
Objective To investigate the correlation between the single nucleotide polymorphism (SNP) of tumor necrosis factor (TNF-α) gene promotor-238 and hepatitis B virus (HBV) reactivation in patients with malignant tumors after chemotherapy.Methods Polymerase chain reaction-restriction fragment length polymorphism assay (PCR-RFLP) was used to detect the SNPat TNF-α-238 site among 100 malignant tumor patients with HBV infection.HBV-DNA levels in patients were detected before and after chemotherapy.HBV reactivation was defined as that HBV-DNA level greater than 10-fold increase compared with before chemotherapy or higher than 1 × 109 logcopies/ml.Results The quantification of HBV-DNA was higher after chemotherapy than before chemotherapy [(3.02±0.68) logcopies/ml vs.(2.49±0.23) logcopies/ml,t=-7.383,P=0.000].Among the patients with malignant tumor and HBV infection,the genotype frequency of G/A was higher in HBV reactivation group than in non-reactivation group after chemotherapy [27.3％ (6/22) vs.3.8％ (3/ 78),x2 =11.499,P=0.001].Conclusions HBV reactivation is associated with TNF-α-238 gene polymorphism in malignant tumor patients with HBV infection after chemotherapy.