Anti-obesity effect of Lythri herba water extracts in vitro and in vivo

被引:4
作者
Park, Yea-Jin [1 ,2 ]
Kim, Hee-Young [2 ,3 ]
Shin, Su [4 ]
Lee, JungHyun [4 ]
Heo, In [5 ,6 ]
Cha, Yun-Yeop [1 ]
An, Hyo-Jin [2 ,3 ]
机构
[1] Sangji Univ, Coll Korean Med, Dept Rehabil Med Korean Med & Neuropsychiat, Wonju 26339, Gangwon Do, South Korea
[2] Kyung Hee Univ, Coll Pharm, Dept Oriental Pharmaceut Sci, Seoul 02447, South Korea
[3] Kyung Hee Univ, Grad Sch, Dept Integrated Drug Dev & Nat Prod, Seoul 02447, South Korea
[4] BIO PORT KOREA INC, Res Inst, 36,Ballyongsandan 1 Ro,Jangan Eup,Gijang Gun, Busan 46034, South Korea
[5] Pusan Natl Univ, Sch Korean Med, Yangsan, Gyeongsangnam S, South Korea
[6] Pusan Natl Univ, Korean Med Hosp, Dept Rehabil Med Korean Med, Yangsan, Gyeongsangnam D, South Korea
关键词
Lythri herba; Lipogenesis; Fatty acid oxidation; White adipose tissue; Obesity; FATTY-ACID-METABOLISM; LIPID-METABOLISM; ADIPOSE-TISSUE; OBESITY; OXIDATION; LIPOGENESIS; ACCUMULATION; ALPHA; LIVER; GENE;
D O I
10.1016/j.jep.2023.116789
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Ethnopharmacological relevance: Lythrum salicaria L., also called purple loosestrife, has traditionally been used as a medicinal plant to treat internal dysfunction, such as gastrointestinal disorders or hemorrhages. It contains numerous phytochemical compounds, including orientin, and has been reported to have anti-diarrheal, anti-inflammatory, antioxidant, and antimicrobial properties. Aim of the study: The effects of Lythrum salicaria L. on obesity have not been explored. Therefore, we investigated the anti-obesity effects of Lythri Herba, the aerial part of this plant, in vitro and in vivo. Materials and methods: Using distilled water, Lythri Herba water extracts (LHWE) were prepared by extracting Lythri Herba at 100 degrees C. The contents of orientin in LHWE were identified using High Performance Liquid Chromatography (HPLC) analysis. To evaluate the anti-obesity effect of LHWE, 3T3-L1 adipocytes and a high-fat diet (HFD)-fed mice were used. Oil-red O staining was performed to examine the anti-adipogenic effects of LHWE in vitro. The histological changes in epididymal white adipose tissue (epiWAT) by LHWE were examined using hematoxylin and eosin staining. Serum leptin levels were measured by enzyme-linked immunosorbent assay. Specific quantification kits measured total cholesterol and triglyceride levels in the serum. The relative fold induction of protein and mRNA was determined using western blot and Quantitative real-time Polymerase Chain Reaction analysis, respectively. Results: HPLC analysis demonstrated the presence of orientin in LHWE. LHWE treatment markedly reduced lipid accumulation in differentiated 3T3-L1 adipocytes. LHWE administration also conferred resistance to HFDinduced weight gain in mice and reduced epiWAT mass. Mechanistically, LHWE significantly decreased lipogenesis by downregulating lipoprotein lipase (LPL), glucose-6-phosphate dehydrogenase, ATP-citrate lyase, fatty acid synthase, stearoyl-CoA desaturase 1, sterol regulatory element binding transcription factor 1, and carbohydrate response element binding protein expression and increased the expression of genes involved in fatty acid oxidation (FAO), peroxisome proliferator-activated receptor alpha and carnitine palmitoyltransferase 1 in 3T3-L1 adipocytes and epiWAT. Furthermore, LHWE significantly up-regulated the phosphorylation of AMP-activated protein kinase in 3T3-L1 adipocytes and epiWAT. Conclusion: LHWE decreases white adipogenesis in vitro and HFD-induced weight gain in vivo, which is associated with reduced lipogenesis and enhanced FAO.
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页数:10
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