Dietary parboiled rice(PR)has a low risk of disease,but little is known about the contribution of PR to the prevention of hyperlipidemia.The potential role and underlying mechanisms of PR in hyperlipidemia were evalua...Dietary parboiled rice(PR)has a low risk of disease,but little is known about the contribution of PR to the prevention of hyperlipidemia.The potential role and underlying mechanisms of PR in hyperlipidemia were evaluated in this study.Male C57BL/6J mice were fed with a normal diet,high-fat diet(HFD)containing refined rice(HFDRR)or PR(HFDPR).It was found that PR intervention improved lipid accumulation in mice.Transcriptomic data analysis revealed that 27 genes were up-regulated(mostly involved in lipid breakdown)and 86 genes were down-regulated(mostly involved in inflammatory responses)in the HFDPR group compared to the HFDRR group.And 15 differentially expressed genes(DEGs)were validated by quantitative real-time PCR(RT-qPCR),while protein interaction network showed that protein tyrosine phosphatase receptor type C(PTPRC)has a central role.The gut microbiota of mice was also altered after different dietary treatments,with higher ratio of Firmicutes and Bacteroidetes,increased abundances of Ruminococcaceae,Lachnospiraceae,Christensenellaceae,Porphyromonadaceae,Rikenellaceae and Prevotellaceae,and decreased abundances of Lactobacillaceae,Peptostreptococcaceae,Erysipelotrichaceae and Actinobacteria in the HFDRR group.In addition,it was observed that PPAR signaling pathway may act as a bridge between DEGs and differential gut microbiota.These results suggested that PR can prevent hyperlipidemia by modulating liver genes and gut microbiota.展开更多
Type 2 diabetes mellitus(T2DM)is a common endocrine and progressive metabolic disorder disease,which seriously threatens peoples’lives and health.Due to the high cost of clinical treatments and obvious side effects,l...Type 2 diabetes mellitus(T2DM)is a common endocrine and progressive metabolic disorder disease,which seriously threatens peoples’lives and health.Due to the high cost of clinical treatments and obvious side effects,looking for effective bioactive ingredients in the diet is an important strategy to prevent or even reduce the risk of diabetes.Epidemiological studies have suggested that dietary flavonoids have a potential antidiabetic effect,but the underlying mechanism remains unclear.Accumulating evidences indicates that gut microbiota has become an important target of dietary interventions.It plays essential roles in the digestion and absorption of flavonoids and affects the occurrence and progression of T2DM.This review systematically summarized the progress of dietary flavonoids targeting gut microbiota to ameliorate T2DM and analyzed possible molecular mechanisms.It suggests that flavonoids may prevent T2DM for healthy people and ameliorate health situations for T2DM patients.In addition,microbiota-based nutrition aims to provide personalized nutritional guidance to alter an individual’s microbiota and further improve response to dietary flavonoids,which will benefit to achieve a more effective diet for the prevention and management of T2DM.展开更多
基金financially supported by Key Project of State Key R&D Program,China (2022YFF1100200)the Program for Science&Technology Innovation Platform of Hunan Province (2019TP102)+3 种基金Natural Science Foundation of Hunan Province (2021JJ31075,2019JJ50984)Natural Science Foundation of Changsha City (kq2014275)Scientific Innovation Fund for Postgraduates of Central South University of Forestry and Technology (CX20200699,CX202102067)Postgraduate Scientific Research Innovation Project of Hunan Province (CX20201018,CX20210899,CX20220701 and CX20220720)。
文摘Dietary parboiled rice(PR)has a low risk of disease,but little is known about the contribution of PR to the prevention of hyperlipidemia.The potential role and underlying mechanisms of PR in hyperlipidemia were evaluated in this study.Male C57BL/6J mice were fed with a normal diet,high-fat diet(HFD)containing refined rice(HFDRR)or PR(HFDPR).It was found that PR intervention improved lipid accumulation in mice.Transcriptomic data analysis revealed that 27 genes were up-regulated(mostly involved in lipid breakdown)and 86 genes were down-regulated(mostly involved in inflammatory responses)in the HFDPR group compared to the HFDRR group.And 15 differentially expressed genes(DEGs)were validated by quantitative real-time PCR(RT-qPCR),while protein interaction network showed that protein tyrosine phosphatase receptor type C(PTPRC)has a central role.The gut microbiota of mice was also altered after different dietary treatments,with higher ratio of Firmicutes and Bacteroidetes,increased abundances of Ruminococcaceae,Lachnospiraceae,Christensenellaceae,Porphyromonadaceae,Rikenellaceae and Prevotellaceae,and decreased abundances of Lactobacillaceae,Peptostreptococcaceae,Erysipelotrichaceae and Actinobacteria in the HFDRR group.In addition,it was observed that PPAR signaling pathway may act as a bridge between DEGs and differential gut microbiota.These results suggested that PR can prevent hyperlipidemia by modulating liver genes and gut microbiota.
基金supported by the Natural Science Foundation of Hunan Province,China(No.2021JJ31075)Natural Science Foundation Project of Changsha City(KQ2014275)+2 种基金the Program for Science&Technology Innovation Platform of Hunan Province(2019TP1029)Scientific Innovation Fund for Post-graduates of Central South University of Forestry and Technology(CX202101027)Postgraduate Scientific Research Innnovation Project of Hunan Province(CX20210862).
文摘Type 2 diabetes mellitus(T2DM)is a common endocrine and progressive metabolic disorder disease,which seriously threatens peoples’lives and health.Due to the high cost of clinical treatments and obvious side effects,looking for effective bioactive ingredients in the diet is an important strategy to prevent or even reduce the risk of diabetes.Epidemiological studies have suggested that dietary flavonoids have a potential antidiabetic effect,but the underlying mechanism remains unclear.Accumulating evidences indicates that gut microbiota has become an important target of dietary interventions.It plays essential roles in the digestion and absorption of flavonoids and affects the occurrence and progression of T2DM.This review systematically summarized the progress of dietary flavonoids targeting gut microbiota to ameliorate T2DM and analyzed possible molecular mechanisms.It suggests that flavonoids may prevent T2DM for healthy people and ameliorate health situations for T2DM patients.In addition,microbiota-based nutrition aims to provide personalized nutritional guidance to alter an individual’s microbiota and further improve response to dietary flavonoids,which will benefit to achieve a more effective diet for the prevention and management of T2DM.
