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亚麻通过改变肝脏中的生物能途径来降低癌症风险:将SAM生物合成与细胞能量连接起来
William C Weston1, Karen H Hales2, Dale B Hales1,2
1Department of Molecular, Cellular & Systemic Physiology, School of Medicine, Southern Illinois University, Carbondale, IL 62901, USA.
食亚麻可以通过改善代谢健康来降低癌症风险. 它有助于减少肥胖,2型糖尿病和脂肪肝疾病,通过改变身体的能量通路.
科学领域:
- 营养科学 营养科学
- 代谢学 代谢学 代谢学
- 生物能源学 生物能源学
背景情况:
- 饮食中使用亚麻与降低癌症风险有关.
- 亚麻的抗维生素B6作用影响单碳代谢和S-adenosylmethionine (SAM) 生物合成.
- 加快的SAM生物合成激活AMP激活蛋白激酶 (AMPK),这是一个关键的能量传感器.
研究的目的:
- 为了研究食用亚麻种子的产母的代谢-生物能适应.
- 了解亚麻的消费如何影响肥胖,2型糖尿病和非酒精性脂肪肝疾病 (NAFLD).
主要方法:
- 利用了目标代谢学数据.
- 重新分析了关于亚麻影响的现有研究.
- 检查了White Leghorn产母的肝脏和全身代谢变化.
主要成果:
- 亚麻调高线粒体脂肪酸氧化和糖解,同时减弱脂质生成和聚胺生物合成.
- 脱脂的亚麻作为甲福明的类似物,增强肝脏的葡萄糖吸收和酸盐流量.
- 整个亚麻通过调节脂肪酸氧化和脂质生成来降低肝脏脂肪和体重.
- 乙卡尼丁的形状表明兰德尔循环适应性保护线粒体.
结论:
- 亚麻修改生物能量通路,可能通过SAM生物合成,以减少肥胖,2型糖尿病和NAFLD的风险.
- 研究结果表明,亚麻种在减少癌症风险方面可能发挥作用,如果它在人类中可再生.
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