有一种在肿瘤发生、氧代谢及发炎过程中起着关键作用的蛋白质，同时也与一种通过饮食控制而达到延长寿命目的的途径有牵连。
09052818】 A protein that plays a key role in tumor formation, oxygen metabolism and inflammation is involved in a pathway that extends lifespan by dietary restriction.
结论上消化道癌与饮食因素有关，但其重要性可因肿瘤部位、暴露剂量、地区等不同而变化。
Conclusion Tumors from upper digestive tract have some relations with diet factors but the effects vary with the differences of tumor sites, dose of exposure and area, etc.
目的：报告及分析高发癌家系的遗传方式，探讨癌家族肿瘤发生与遗传、环境及饮食习惯之间的关系。
Objective: to know the hereditary pattern of a pedigree with multi-cancer history and to explore the relationship between pathogenesis and heredity, environment and dietary pattern in cancer family.
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