饮食中的多不和脂肪酸和胃癌
Ngoan Tran Le1,2, Yen Thi-Hai Pham3,4, Linh Thuy Le5
1Institute of Research and Development, Duy Tan University, Da Nang.
概括
更高的多不和脂肪酸 (PUFA) 摄入量与胃癌风险降低有关. 这项在越南的研究发现了显著的反向关联,表明PUFAs可能有助于预防癌症.
科学领域:
- 营养科学 营养科学
- 在瘤学瘤学.
- 流行病学 流行病学
背景情况:
- 多不和脂肪酸 (PUFA) 具有抗炎和抗瘤的特性.
- 关于PUFA摄入量和胃癌风险的证据在不同人群中是不确定的.
- 胃癌仍然是一个重要的健康问题,特别是在中低收入国家.
研究的目的:
- 调查饮食中PUFA摄入量与患胃癌的风险之间的关联.
- 为了确定PUFA摄入量是否影响越南人口的胃癌风险.
主要方法:
- 一项基于医院的病例控制研究对1182例胃癌病例和2965例对照进行了研究.
- 饮食摄入量,包括PUFAs,使用半定量食物频率问卷进行评估.
- 使用无条件逻辑回归模型计算赔率比率 (OR) 和95%置信区间 (CI).
主要成果:
- 在PUFA摄入量和胃癌风险之间观察到显著的逆剂量反应相关性 (OR每 SD增量 = 0.72;Ptrend < 0.001).
- 摄入PUFA的最高五分位数的人与最低五分位数相比,胃癌的风险要低得多 (OR = 0.37;95% CI:0.28-0.48).
- 这种保护性关联在不同性别和年龄组 (60岁以下和60岁以上) 中是一致的.
结论:
- 越南人饮食中多不和脂肪酸摄入量较高,与胃癌风险降低有关.
- 这些发现支持PUFA在胃癌预防策略中的潜在作用,特别是在资源有限的环境中.
- 进一步的研究可以探索特定的PUFA及其在胃癌预防中的机制.
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