Effects of fermented wheat germ on the placenta of high-fat diet-induced obese maternal rats: morphology, metabolism, and nutrient transport†

IF 5.1 1区 农林科学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Food & Function Pub Date : 2025-02-21 DOI:10.1039/D4FO05828C
Xiaolin Li, Yingyu Zhao and Jihong Huang
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Abstract

Maternal obesity impairs placental function, affecting fetal growth and long-term health. Although fermented wheat germ (FWG) provides health benefits, its impact on maternal obesity-related metabolic disorders and placental function remains unclear. This study investigated FWG's effects on placental morphology, metabolism, and nutrient transport in high-fat diet (HFD)-induced obese maternal rats. Wheat germ (WG) and FWG were administered from model induction, with a 45% HFD-fed for 10 weeks before conception and continued until gestational day 19.5. Results revealed that WG and FWG supplementation alleviated maternal metabolic abnormalities and mitigated placental structural damage. Additionally, this supplementation reduced placental lipid accumulation, oxidative stress, and inflammation while regulating nutrient transporter mRNA expression and inhibiting mTOR signaling activation. Compared with WG, FWG more effectively reduced maternal obesity and optimized placental nutrient transport. These findings suggest that FWG is a promising dietary intervention for disrupting the maternal obesity cycle and enhancing maternal–fetal health by alleviating obesity, mitigating metabolic dysfunction, and modulating placental morphology and function.

Abstract Image

发酵小麦胚芽对高脂饮食诱导的肥胖母鼠胎盘的影响:形态、代谢和营养转运。
产妇肥胖损害胎盘功能,影响胎儿生长和长期健康。虽然发酵小麦胚芽(FWG)提供健康益处,但其对母亲肥胖相关代谢紊乱和胎盘功能的影响尚不清楚。本研究探讨了FWG对高脂饮食(HFD)诱导的肥胖母鼠胎盘形态、代谢和营养转运的影响。从模型诱导开始饲喂小麦胚芽(WG)和FWG,在受孕前10周饲喂45%的hfd,直至妊娠第19.5天。结果显示,添加WG和FWG可减轻母体代谢异常,减轻胎盘结构损伤。此外,这种补充剂可以减少胎盘脂质积累、氧化应激和炎症,同时调节营养转运蛋白mRNA的表达和抑制mTOR信号的激活。与WG相比,FWG更有效地减少了产妇肥胖,优化了胎盘营养物质的运输。这些发现表明,FWG是一种很有希望的饮食干预,可以通过减轻肥胖、减轻代谢功能障碍和调节胎盘形态和功能来破坏母亲的肥胖周期,增强母胎健康。
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来源期刊
Food & Function
Food & Function BIOCHEMISTRY & MOLECULAR BIOLOGY-FOOD SCIENCE & TECHNOLOGY
CiteScore
10.10
自引率
6.60%
发文量
957
审稿时长
1.8 months
期刊介绍: Food & Function provides a unique venue for physicists, chemists, biochemists, nutritionists and other food scientists to publish work at the interface of the chemistry, physics and biology of food. The journal focuses on food and the functions of food in relation to health.
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