纳米颗粒改善了高脂肪,低纤维饮食的老鼠的骨周转调节
Ewelina Cholewińska1, Przemysław Sołek1, Jerzy Juśkiewicz2
1Faculty of Animal Sciences and Bioeconomy, Department of Biochemistry and Toxicology, University of Life Sciences in Lublin, Lublin, Poland.
PloS one
|May 8, 2024
概括
高脂肪饮食会损害骨的健康. 虽然仅仅均衡的饮食是不够的,但纳米粒子 (CrNPs) 与高脂肪饮食一起补充有助于调节骨代谢,促进骨形成.
科学领域:
- 生物化学 生物化学
- 营养科学 营养科学
- 骨生物学 骨生物学 骨生物学
背景情况:
- 慢性高脂肪 (肥胖) 饮食会对骨循环产生负面影响,影响骨形成和再吸收.
- 饮食干预对于管理代谢障碍至关重要,但它们对骨健康的影响需要进一步调查.
研究的目的:
- 研究恢复均衡饮食,有或没有补充剂 (皮科林酸盐或纳米颗粒) 对肥饮食的老鼠基因表达和骨周转标记物的影响.
- 为了确定补充是否可以减轻饮食引起的骨代谢障碍.
主要方法:
- 鼠被食肥胖性饮食,随后进行干预措施,包括切换到均衡饮食,补充皮科林酸盐 (CrPic) 或补充纳米颗粒 (CrNPs) (0.3 mg/kg体重).
- 分析了血液和骨组织中的基因表达和骨循环标记物.
主要成果:
- 一种肥胖的饮食损害了骨质的合成和降解. 仅仅过渡到均衡饮食不足以纠正这些骨代谢障碍.
- 在高脂肪饮食的老鼠中补充皮可林酸盐 (CrPic) 刺激了分子水平的骨质细胞生成 (骨质再吸收).
- 在高脂肪饮食中的老鼠中补充纳米颗粒 (CrNPs) 通过增加骨质母细胞生成和骨质母细胞生成,有利于骨形成,有效调节骨循环.
结论:
- 慢性高脂肪饮食摄入引起的骨代谢不良变化可以通过纳米颗粒 (CrNPs) 补充来减轻.
- 仅仅改变饮食习惯不足以扭转饮食引起的骨代谢障碍;可能需要针对性的补充.
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