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中文摘要
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描述(由申请人提供):在美国,每年估计有16,000 - 24,000例肺癌病例发生在从不吸烟者中(占总数的15-20%)。 已知的环境风险因素只能解释这些病例中的一小部分。炎症性疾病,如肺结核和慢性阻塞性肺疾病,有助于肺癌的发生,有初步证据表明,慢性感染已知或疑似致癌病毒可能是一个重要的原因,肺癌在从不吸烟者。多瘤病毒致癌作用的假设尚未在专门设计的流行病学研究中得到验证。该项目的首要目标是研究多瘤病毒感染标志物,特别是JC病毒和BK病毒与从不吸烟者肺癌之间的关系。将使用经验证的多重检测试剂盒进行血清学分析。在回顾性病例对照研究的病例和对照分析中获得了令人鼓舞的初步结果。这一假设将在来自四项正在进行的前瞻性研究(包括两项来自亚洲的研究)的458例从不吸烟的肺癌病例(以及相当数量的匹配对照)的血清样本中进行检验。 血清样本的结果将在72例肺癌患者中进行验证,这些患者已入组既往病例对照研究,并将分析肿瘤样本。这项研究将提供新的证据支持或反对多瘤病毒感染与从不吸烟者肺癌之间的因果关系。查明癌症的传染性原因为通过接种疫苗和根除癌症进行初级预防提供了机会。
英文摘要
DESCRIPTION (provided by applicant): An estimated 16,000-24,000 of lung cancer cases occur each year in the United States among never-smokers (15-20% of the total). Known environmental risk factors explain only a small proportion of these cases. Inflammatory conditions such as tuberculosis and chronic obstructive pulmonary disease contribute to lung carcinogenesis, and there is preliminary evidence that chronic infections with known or suspected oncogenic viruses may represent an important cause of lung cancer in never-smokers. The hypothesis of a carcinogenic role of polyoma viruses has not been tested in specifically designed epidemiologic studies. The overarching aim of this project is to investigate the association between markers of infection with polyoma viruses, and specifically JC virus and BK virus and lung cancer in never- smokers. A validated multiplex assay will be used for the serological analyses. Promising preliminary results have been obtained in the analysis of cases and controls from a retrospective case-control study. The hypothesis will be tested in serum samples of 458 never-smoking cases of lung cancer (and a comparable number of matched controls) from four on-going prospective studies, including two from Asia. The results of the serum samples will be validated arisen in series of 72 lung cancer patients who have been enrolled in a previous case-control study, from whom tumor samples will be analyzed. This study will provide novel evidence for or against a causal association between polyoma virus infection and lung cancer in never-smokers. The identification of infectious causes of cancer opens opportunities to primary prevention through vaccination and eradication.
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COOPERATIVE RESEARCH AGREEMENTS RELATED TO THE WORLD TRADE CENTER HEALTH PROGRAM (U01)
COOPERATIVE RESEARCH AGREEMENTS RELATED TO THE WORLD TRADE CENTER HEALTH PROGRAM (U01)
Incidence, Latency, and Survival of Cancer Following World Trade Center Exposure
Biorepository of cancer tissue samples from WTC responders
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