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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Wichai, Uthai Keawsomnuk, Ploychanok Thongin, Saowarose Mukthung, Chaiyot Boonthip, Chatchai Pittayakhajonwut, Pattama Ketsawatsomkron, Pimonrat Bunyapraphatsara, Nuntavan Muta, Kenjiro |
| Abstract | Background Capsaicinoids, such as dihydrocapsaicin (DHC), exert the health-promoting effects of chili peppers on energy metabolism. The metabolic responses to capsaicinoids are primarily mediated through transient receptor potential cation channel subfamily V member 1 (TRPV1). However, the varying contributions of their metabolites to beneficial health outcomes remain unclear. 8-methyl nonanoic acid (8-MNA), a methyl-branched medium chain fatty acid (MCFA), is an in vivo degradation by-product of DHC. Since MCFAs have emerged as metabolic modulators in adipocytes, here we examined various cellular responses to 8-MNA in 3T3-L1 adipocytes. Methods The viability of 3T3-L1 adipocytes exposed to various concentrations of 8-MNA was assessed by the Calcein AM assay. Biochemical assays for lipid accumulation, AMP-activated protein kinase (AMPK) activity, lipolysis and glucose uptake were performed in 3T3-L1 adipocytes treated with 8-MNA during 48-h nutrient starvation or 5-day maturation. Results 8-MNA caused no impact on cell viability. During nutrient starvation, 8-MNA decreased lipid amounts in association with AMPK activation, a molecular event that suppresses lipogenic processes. Moreover, 3T3-L1 adipocytes that were treated with 8-MNA during 5-day maturation exhibited a reduced lipolytic response to isoproterenol and an increased glucose uptake when stimulated with insulin. Conclusions These results suggest that 8-MNA derived from DHC modulates energy metabolism in adipocytes and also support the idea that the metabolic benefits of chili consumption are partly attributable to 8-MNA. |
| Related Links | https://bmccomplementmedtherapies.biomedcentral.com/counter/pdf/10.1186/s12906-023-03844-w.pdf |
| Ending Page | 10 |
| Page Count | 10 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 26627671 |
| DOI | 10.1186/s12906-023-03844-w |
| Journal | BMC Complementary Medicine and Therapies |
| Issue Number | 1 |
| Volume Number | 23 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2023-01-21 |
| Access Restriction | Open |
| Subject Keyword | Complementary & Alternative Medicine Internal Medicine Chiropractic Medicine Capsaicinoids 8-methyl nonanoic acid Adipocytes Metabolic function |
| Content Type | Text |
| Resource Type | Article |
| Subject | Complementary and Alternative Medicine |
| Journal Impact Factor | 3.3/2023 |
| 5-Year Journal Impact Factor | 3.6/2023 |
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