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고지방식이로 인한 간의 지방축적 및 손상에 대한 떫은감 추출물의 개선 효과open accessEffect of Persimmon Extracts on High-Fat Diet-Induced Lipid Accumulation and Liver Damage

Other Titles
Effect of Persimmon Extracts on High-Fat Diet-Induced Lipid Accumulation and Liver Damage
Authors
Kang, J.Y.Lee, U.Kim, J.M.Park, S.K.Kim, M.J.Moon, J.H.Lee, H.L.Jeong, H.R.Go, M.J.Heo, H.J.
Issue Date
Jan-2022
Publisher
Korean Society of Food Science and Nutrition
Keywords
Fatty liver; High fat diet; Lipotoxicity; Lysophosphatidylcholines; Persimmon
Citation
Journal of the Korean Society of Food Science and Nutrition, v.51, no.1, pp 1 - 11
Pages
11
Indexed
SCOPUS
KCI
Journal Title
Journal of the Korean Society of Food Science and Nutrition
Volume
51
Number
1
Start Page
1
End Page
11
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/2617
DOI
10.3746/JKFN.2022.51.1.1
ISSN
1226-3311
2288-5978
Abstract
DKE는 고지방식이로 인한 비만 및 간의 지방축적을 효과적으로 억제하는 것으로 확인되었다. 뿐만 아니라 DKE는 AMPK인 활성을 증가시켜 간에서의 지질축적과 관련된 단백질을 감소시켰으며 JNK 경로를 억제하여 염증의 증가, 인슐린 저항성 및 세포사멸을 억제하는 데에도 관여를 하는 것으로 확인되었다. DKE의 섭취를 통한 간의 지방 축적감소는 간의 지질 독성을 억제하였으며, 주목할 부분으로 DKE가 지질대사에 직접적으로 관여를 하는 것이다. DKE는 PCs와 lysoPCs의 증가를 현저하게 억제하였으며, 이들의 감소와 지질 독성의 감소에는 밀접한 관련이 있는 것으로 추측된다. 지질 독성의 감소는 간 조직의 산화적 스트레스와 그로 인한 미토콘드리아 기능장애의 발생을 억제한 것으로 추측되며, 결국 DKE는 간의 지질대사에 관여함으로써 고지방식이로 인한 간의 지방축적 및 손상을 예방할 수 있는 소재로의 활용 가능성이 있는 것으로 판단된다.
This study was performed to investigate the effects of persimmon (Diospyros kaki) on a high-fat diet (HFD)-induced lipid accumulation and lipotoxicity and in the liver. The persimmon extract (DKE) was orally administered at 50 and 100 mg/kg body weight with an HFD for 8 weeks in mice. The weight gain, including the weight of liver and adipose tissues, was suppressed in the DKE groups compared with the HFD group. In addition, improved glucose tolerance was observed in the DKE groups. The results of serum biomarkers indicate that DKE could inhibit liver injury and dyslipidemia. In addition, it was confirmed that oxidative stress and mitochondrial dysfunction were improved in the DKE groups. DKE suppressed lipid accumulation by inhibiting AMPK phosphorylation in the liver. In addition, with the inhibition of JNK phosphorylation by DKE, insulin resistance, inflammation, and apoptosis were suppressed. The metabolite analysis of liver tissue using ultra-high performance liquid chromatography with quadrupole time-of-flight mass spectrometry (UPLC Q-TOF/MS) showed that DKE affected metabolite composition in the liver tissue. In particular, it was confirmed that DKE was involved in liver lipid metabolism. DKE reduced phosphatidylcholines (PCs) and lysophosphatidylcholines (lysoPCs), and their reduction was closely related to the reduction of lipotoxicity. ? 2022 The Korean Society of Food Science and Nutrition.
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