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| Item Type: | Article |
|---|---|
| Title: | Antidiabetic effects of chamomile flowers extract in obese mice through transcriptional stimulation of nutrient sensors of the peroxisome proliferator-activated receptor (PPAR) family |
| Creators Name: | Weidner, C., Wowro, S.J., Rousseau, M., Freiwald, A., Kodelja, V., Abdel-Aziz, H., Kelber, O. and Sauer, S. |
| Abstract: | Given the significant increases in the incidence of metabolic diseases, efficient strategies for preventing and treating of these common disorders are urgently needed. This includes the development of phytopharmaceutical products or functional foods to prevent or cure metabolic diseases. Plant extracts from edible biomaterial provide a potential resource of structurally diverse molecules that can synergistically interfere with complex disorders. In this study we describe the safe application of ethanolic chamomile (Matricaria recutita) flowers extract (CFE) for the treatment and prevention of type 2 diabetes and associated disorders. We show in vitro that this extract activates in particular nuclear receptor peroxisome proliferator-activated receptor gamma (PPARγ) and its isotypes. In a cellular context, in human primary adipocytes CFE administration (300 µg/ml) led to specific expression of target genes of PPARγ, whereas in human hepatocytes CFE-induced we detected expression changes of genes that were regulated by PPARα. In vivo treatment of insulin-resistant high-fat diet (HFD)-fed C57BL/6 mice with CFE (200 mg/kg/d) for 6 weeks considerably reduced insulin resistance, glucose intolerance, plasma triacylglycerol, non-esterified fatty acids (NEFA) and LDL/VLDL cholesterol. Co-feeding of lean C57BL/6 mice a HFD with 200 mg/kg/d CFE for 20 weeks showed effective prevention of fatty liver formation and hepatic inflammation, indicating additionally hepatoprotective effects of the extract. Moreover, CFE treatment did not reveal side effects, which have otherwise been associated with strong synthetic PPAR-targeting molecules, such as weight gain, liver disorders, hemodilution or bone cell turnover. Taken together, modulation of PPARs and other factors by chamomile flowers extract has the potential to prevent or treat type 2 diabetes and related disorders. |
| Keywords: | Adipocytes, Cell Line, Chamomile, Cultured Cells, Drug Dose-Response Relationship, Dyslipidemias, Fatty Liver, Flowers, Gene Expression Regulation, Gene Knockdown Techniques, Genetic Transcription, Hepatocytes, High-Fat Diet, Hypoglycemic Agents, Insulin Resistance, Liver, Non-alcoholic Fatty Liver Disease, Obese Mice, PPAR gamma, Peroxisome Proliferator-Activated Receptors, Plant Extracts, Transcriptional Activation, Animals, Mice |
| Source: | PLOS ONE |
| ISSN: | 1932-6203 |
| Publisher: | Public Library of Science |
| Volume: | 8 |
| Number: | 11 |
| Page Range: | e80335 |
| Date: | 12 November 2013 |
| Official Publication: | https://doi.org/10.1371/journal.pone.0080335 |
| PubMed: | View item in PubMed |
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