{"title":"油茶花中的黄酮类化合物通过调节 p53 通路改善 2 型糖尿病。","authors":"Ruining Yu , Dier Shi , Qi Ru , Qiuping Chen , Jianfu Shen","doi":"10.1016/j.fitote.2024.106267","DOIUrl":null,"url":null,"abstract":"<div><h3>Background</h3><div>Camellia oleifera flower (COF) is rich in flavonoids and polyphenols, strongly preventing postprandial hyperglycemia and improving diabetes. However, research on the effective ingredients in COF extracts that have hypoglycemic effects is limited, and the mechanism by which COF extracts improve liver insulin resistance and glucose and lipid metabolism still needs to be clarified, requiring further investigation.</div></div><div><h3>Aim</h3><div>To systematically clarify the role of COF extracts in improving insulin resistance in diabetes mice and to explore their key targets and mechanisms in anti-type 2 diabetes (T2DM).</div></div><div><h3>Materials and methods</h3><div>Ultrafiltration combined with liquid chromatography-mass spectrometry (UPLC-Q-MS) was used to analyze α-glucosidase inhibitors in COF extracts qualitatively. Blood glucose, lipid, oxidative stress, and liver function indicators were detected in the db/db type 2 diabetes mouse model. Then, RNA-seq was used to identify differentially expressed mRNAs (DEGs) in the liver, screen for key genes and metabolic pathways, and validate the results' accuracy through qPCR experiments.</div></div><div><h3>Results</h3><div>17 α-glucosidase inhibitors were identified as flavonoids from COF. Through db/db type 2 diabetes mouse model, it was indicated that COF could significantly improve symptoms of hyperglycemia and hyperlipidemia, alleviate oxidative stress, and protect liver and pancreatic tissues by regulating key differential genes expressed, including Nek2, Cdk1, Ccnb1, and Ccnb2 via the p53 signaling pathway and ameliorate the insulin resistance effect.</div></div><div><h3>Conclusion</h3><div>This study demonstrated the anti-diabetic effect of COF, explored its potential hypoglycemic target, and provided data support for future T2DM prevention and drug treatment.</div></div>","PeriodicalId":12147,"journal":{"name":"Fitoterapia","volume":null,"pages":null},"PeriodicalIF":2.5000,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Flavonoids from Camellia oleifera flower ameliorate type 2 diabetes mellitus by regulating the p53 pathway\",\"authors\":\"Ruining Yu , Dier Shi , Qi Ru , Qiuping Chen , Jianfu Shen\",\"doi\":\"10.1016/j.fitote.2024.106267\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Background</h3><div>Camellia oleifera flower (COF) is rich in flavonoids and polyphenols, strongly preventing postprandial hyperglycemia and improving diabetes. However, research on the effective ingredients in COF extracts that have hypoglycemic effects is limited, and the mechanism by which COF extracts improve liver insulin resistance and glucose and lipid metabolism still needs to be clarified, requiring further investigation.</div></div><div><h3>Aim</h3><div>To systematically clarify the role of COF extracts in improving insulin resistance in diabetes mice and to explore their key targets and mechanisms in anti-type 2 diabetes (T2DM).</div></div><div><h3>Materials and methods</h3><div>Ultrafiltration combined with liquid chromatography-mass spectrometry (UPLC-Q-MS) was used to analyze α-glucosidase inhibitors in COF extracts qualitatively. Blood glucose, lipid, oxidative stress, and liver function indicators were detected in the db/db type 2 diabetes mouse model. Then, RNA-seq was used to identify differentially expressed mRNAs (DEGs) in the liver, screen for key genes and metabolic pathways, and validate the results' accuracy through qPCR experiments.</div></div><div><h3>Results</h3><div>17 α-glucosidase inhibitors were identified as flavonoids from COF. Through db/db type 2 diabetes mouse model, it was indicated that COF could significantly improve symptoms of hyperglycemia and hyperlipidemia, alleviate oxidative stress, and protect liver and pancreatic tissues by regulating key differential genes expressed, including Nek2, Cdk1, Ccnb1, and Ccnb2 via the p53 signaling pathway and ameliorate the insulin resistance effect.</div></div><div><h3>Conclusion</h3><div>This study demonstrated the anti-diabetic effect of COF, explored its potential hypoglycemic target, and provided data support for future T2DM prevention and drug treatment.</div></div>\",\"PeriodicalId\":12147,\"journal\":{\"name\":\"Fitoterapia\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2024-10-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Fitoterapia\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0367326X24004507\",\"RegionNum\":3,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"CHEMISTRY, MEDICINAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fitoterapia","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0367326X24004507","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, MEDICINAL","Score":null,"Total":0}
Flavonoids from Camellia oleifera flower ameliorate type 2 diabetes mellitus by regulating the p53 pathway
Background
Camellia oleifera flower (COF) is rich in flavonoids and polyphenols, strongly preventing postprandial hyperglycemia and improving diabetes. However, research on the effective ingredients in COF extracts that have hypoglycemic effects is limited, and the mechanism by which COF extracts improve liver insulin resistance and glucose and lipid metabolism still needs to be clarified, requiring further investigation.
Aim
To systematically clarify the role of COF extracts in improving insulin resistance in diabetes mice and to explore their key targets and mechanisms in anti-type 2 diabetes (T2DM).
Materials and methods
Ultrafiltration combined with liquid chromatography-mass spectrometry (UPLC-Q-MS) was used to analyze α-glucosidase inhibitors in COF extracts qualitatively. Blood glucose, lipid, oxidative stress, and liver function indicators were detected in the db/db type 2 diabetes mouse model. Then, RNA-seq was used to identify differentially expressed mRNAs (DEGs) in the liver, screen for key genes and metabolic pathways, and validate the results' accuracy through qPCR experiments.
Results
17 α-glucosidase inhibitors were identified as flavonoids from COF. Through db/db type 2 diabetes mouse model, it was indicated that COF could significantly improve symptoms of hyperglycemia and hyperlipidemia, alleviate oxidative stress, and protect liver and pancreatic tissues by regulating key differential genes expressed, including Nek2, Cdk1, Ccnb1, and Ccnb2 via the p53 signaling pathway and ameliorate the insulin resistance effect.
Conclusion
This study demonstrated the anti-diabetic effect of COF, explored its potential hypoglycemic target, and provided data support for future T2DM prevention and drug treatment.
期刊介绍:
Fitoterapia is a Journal dedicated to medicinal plants and to bioactive natural products of plant origin. It publishes original contributions in seven major areas:
1. Characterization of active ingredients of medicinal plants
2. Development of standardization method for bioactive plant extracts and natural products
3. Identification of bioactivity in plant extracts
4. Identification of targets and mechanism of activity of plant extracts
5. Production and genomic characterization of medicinal plants biomass
6. Chemistry and biochemistry of bioactive natural products of plant origin
7. Critical reviews of the historical, clinical and legal status of medicinal plants, and accounts on topical issues.