Krill oil inhibited adipogenic differentiation by inducing the nuclear Nrf2 expression and the AMPK activity.
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Key Findings
Abstract
The current study investigated the antiadipogenic mechanism of krill oil from the 3T3-L1 adipocytes. The krill oil adhered to the criteria as a food standard by showing 50.8% of the total phospholipid, 5.27% myristic acid, and 1.63% linoleic acid. The lipid accumulation that was measured in the 3T3-L1 cells using oil red O staining was reduced up to 54% by the krill oil. The krill oil treatment reduced the adipogenic transcription factors by downregulating the sterol regulatory element binding protein 1 (SREBP1) and acetyl-CoA carboxylase (ACC), phospho-ACC, and AMP-activated protein kinase (AMPK) phosphorylation. The current study confirmed that the krill oil inhibited adipogenesis by downregulating SREBP1 and ACC via the upregulation of the AMPK and nuclear factors E2-related factor 2 (Nrf2) signaling pathway in the 3T3-L1 adipocytes. These findings suggest that krill oil is a good source of phospholipid and phosphatidylcholine, which could be a potential natural antiobesity ingredient by inhibiting adipogenesis.
Affiliation
Hyun Jeong Lee
External References
- PubMed ID:
- 37823164
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