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Dietary adenosine 5 '-monophosphate supplementation increases food intake and remodels energy expenditure in mice

文献类型： 外文期刊

作者： Wu, Zifang 1 ; Rao, Sujuan 1 ; Li, Jiaying 1 ; Ding, Ning 2 ; Chen, Jianzhao 1 ; Feng, Li 1 ; Ma, Shuo 1 ; Hu, Chengjun 1 ; Dai, Haonan 1 ; Wen, Lijun 4 ; Jiang, Qingyan 1 ; Deng, Jinping 1 ; Deng, Ming 1 ; Tan, Chengquan 1 ;

作者机构： 1.South China Agr Univ, Coll Anim Sci, Inst Subtrop Anim Nutr & Feed, Guangdong Prov Key Lab Anim Nutr Control,Natl Eng, Guangzhou, Guangdong, Peoples R China

2.Guangzhou Customs Technol Ctr, Guangzhou 510623, Peoples R China

3.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Haikou, Hainan, Peoples R China

4.Guangdong Hinabiotech Co Ltd, Guangzhou, Peoples R China

关键词： adenosine 5 '-monophosphate; food intake; energy expenditure; lipid metabolism

期刊名称：FOOD & NUTRITION RESEARCH （ 影响因子：3.221； 五年影响因子：4.739 ）

ISSN： 1654-6628

年卷期： 2022 年 66 卷

页码：

收录情况： SCI

摘要： Background: Dietary nucleotides [inclusion adenosine 5'-monophosphate (AMP)] supplementation was shown to promote the feed intake of sows and increase the AMP content in their milk in our previous work, but whether AMP shapes the energy expenditure and lipid metabolism in mammals remains unknown. Here, we aimed to explore the effects and the related mechanism of dietary AMP supplementation on food intake, body composition, energy expenditure, and lipid metabolism in male mice. Methods: 4-week-old C57BL/6 mice (After a 1-wk adaptation) were fed with basal diet and basal diet supplemented with 0.1% AMP, respectively. Animal food intake and body weight were monitored and after 4 weeks all animals were sacrificed to measure the body composition, energy expenditure and lipid metabolism changes. Results: Compared with the control, the 0.1% AMP fed mice showed higher food intake while lower adipose weight. Intriguingly, dietary AMP supplementation was found to stimulate brown adipose tissue thermogenesis as evidenced by the increase in the uncoupling protein-1 level and the core temperature. Moreover, AMP supplementation was shown to promote white adipose tissue lipolysis as indicated by smaller lipid droplet size in mice. These results demonstrate that dietary AMP supplementation could enhance oxygen consumption and energy expenditure. Conclusions: This study highlights the physiological importance of AMP supplementation in mediating food intake and energy expenditure and suggests its potential as an adjuvant therapy in preventing energy metabolic disorders (mainly obesity and diabetes).

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