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Genotyping of IL-8-251?T?>?A yields prognostic information in patients with gastric carcinoma.

ABSTRACT: This study was designed to investigate the association of the IL-8-251?T?>?A gene polymorphism with clinicopathological features and the prognostic role of the gene polymorphism in patients with gastric adenocarcinoma. The gene polymorphism was detected by the polymerase chain reaction-restriction fragment length polymorphism method, followed by univariate and multivariate analyses to elicit its prognostic role. The frequency of IL-8-251?A/A, A/T and T/T genotypes were 11.0% (23/210), 43.8% (92/210) and 45.2% (95/210), respectively. The IL-8-251 gene polymorphism was closely correlated with depth of invasion (p?=?0.007), grade of differentiation (p?=?0.002) and TNM stage (p?=?0.009). A/A genotype carriers showed more frequency of serosa involvement, low grade of differentiation and advanced stage of gastric carcinoma. IL-8-251?T?>?A gene polymorphism have no significant correlation with other clinicopathological features. The 5-year overall survival of IL-8-251?A/A genotype and T allele carriers were 30.8% and 59.2%, respectively. There is a significant discrepancy among the different genotype carriers. Multivariate analysis with the Cox regression model revealed that the IL-8-251?A/A genotype is an independent prognostic indicator (HR?=?2.285, 95% Confidence Interval?=?1.06-4.93, p?=?0.035). We conclude that the IL-8-251?A/A genotype may indicate a poor prognosis for gastric adenocarcinoma patients.

SUBMITTER: Cai X

PROVIDER: S-EPMC3836392 | biostudies-literature | 2013 Nov

REPOSITORIES: biostudies-literature

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Genotyping of IL-8-251 T > A yields prognostic information in patients with gastric carcinoma.

Cai Xiuyu X Hu Weihan W Zhang Bei B Dai Ni N Xu Ruihua R Qiu Huijuan H Wang Deshen D Li Zhiming Z Jiang Wenqi W

Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals 20130828 7

This study was designed to investigate the association of the IL-8-251 T > A gene polymorphism with clinicopathological features and the prognostic role of the gene polymorphism in patients with gastric adenocarcinoma. The gene polymorphism was detected by the polymerase chain reaction-restriction fragment length polymorphism method, followed by univariate and multivariate analyses to elicit its prognostic role. The frequency of IL-8-251 A/A, A/T and T/T genotypes were 11.0% (23/210), 43.8% (92/ ...[more]

PMID: 23980896

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Project description:Total bilirubin consists of an unconjugated form, solubilized by its binding to albumin, and a conjugated form representing a minor part of the circulating bilirubin. As total bilirubin in physiological concentrations is a powerful antioxidant, its concentration gradient may reflect the health status of an individual, and serve as a prognostic indicator of outcome in primary and secondary cardiovascular disease prevention. The aim of this study was to assess the association between total bilirubin and incident cardiovascular events following a myocardial infarction. Total bilirubin in serum was measured at baseline 2-8 weeks after hospitalization for an MI in 881 patients, aged 70 to 82 years, included in the OMEMI (Omega-3 Fatty acids in Elderly with Myocardial Infarction) study, where patients were followed-up for up to 2 years. The first major adverse clinical event (MACE) was the primary endpoint and consisted of nonfatal MI, unscheduled coronary revascularization, stroke, hospitalization for heart failure or all-cause death. As total bilirubin was non-normally distributed, log-transformed values and quartiles of bilirubin were analyzed using Cox regression models. The median (Q1, and Q3) baseline concentration of bilirubin was 11 (9, and 14) µmol/L, and higher log-transformed concentrations were associated with male sex, lower New York Heart Association (NYHA) class and non-smoking. MACE occurred in 177 (20.1%) patients during the follow-up. Higher concentrations of bilirubin were associated with a lower risk of MACE: HR 0.67 (95%CI 0.47-0.97) per log-unit increase, p = 0.032. Patients in the lowest quartile of bilirubin (<9 µmol/L) had the highest risk with HR 1.61 (95%CI 1.19-2.18), p = 0.002, compared to quartiles 2-4. This association remained significant even after adjusting for age, sex, body mass index (BMI), smoking status, NYHA class and treatment allocation: HR 1.52 (1.21-2.09), p = 0.009. Low concentrations of bilirubin (<9 µmol/L) are associated with increased nonfatal cardiovascular events or death in elderly patients with a recent myocardial infarction.

Dataset Information

Genotyping of IL-8-251?T?>?A yields prognostic information in patients with gastric carcinoma.

Publications

Genotyping of IL-8-251 T > A yields prognostic information in patients with gastric carcinoma.

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