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- 주제어 : hyperlipidaemia (검색결과 3 건)
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Von Dentz Maiza,Gambato Gabriela,Ferrari Andreza,Fontana Roselei Claudete,Rodrigues Eliseu,Salvador Mirian,Camassola Marli,Jahn Matheus Parmegiani 경희대학교 융합한의과학연구소 2021 Oriental Pharmacy and Experimental Medicine Vol.21 No.3
One of the consequences of diabetes mellitus is deregulation in lipid metabolism, resulting in an increase in triglyceride and cholesterol levels in the blood. This study evaluated the effect of the Pycnoporus sanguineus hydroalcoholic extract on lipid metabolism in streptozotocin-induced diabetic rats. Rats received P. sanguineus extract for 4 weeks in the drinking water at a dose of 10 mg/Kg/day. Lipid profile, glucose and hepatic damage in normal and streptozotocin-induced diabetic rats were evaluated. Also, the chemical composition of P. sanguineus extract, cytotoxicity and HMG-CoA reductase activity in vitro were evaluated. The treatment significantly reduced triglyceride levels in the group of diabetic rats treated with the extract (DBT Pyc) compared to the group receiving water without extract (DBT H2O). For total cholesterol, reductions in the DBT Pyc group were also observed in relation to the DBT H2O group. The HMG-CoA reductase activity was not affected by P. sanguineus extract. Our findings demonstrated significant anti-hyperlipidaemic activity of P. sanguinues extract in diabetic rats. These results highlight the therapeutic potential of the P. sanguineus extract, which provides a new possibility for development of drugs to control hyperlipidaemia and provides impetus for further studies.
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Tiwari Arun Kumar,Gupta Pushpraj S,Prasad Mahesh,Malairajan Paraman 대한약침학회 2022 Journal of pharmacopuncture Vol.25 No.4
Objectives: Hyperlipidemia (HL) is a major cause of ischemic heart diseases. The size-limiting effect of ischemic preconditioning (IPC), a cardioprotective phenomenon, is reduced in HL, possibly because of the opening of the mitochondrial permeability transition pore (MPTP). The objective of this study is to see what effect pretreatment with Inula racemosa Hook root extract (IrA) had on IPC-mediated cardioprotection on HL Wistar rat hearts. An isolated rat heart was mounted on the Langendorff heart array, and then ischemia reperfusion (I/R) and IPC cycles were performed. Atractyloside (Atr) is an MPTP opener. Methods: The animals were divided into ten groups, each consisting of six rats (n = 6), to investigate the modulation of I. racemosa Hook extract on cardioprotection by IPC in HL hearts: Sham control, I/R Control, IPC control, I/R + HL, I/R + IrA + HL, IPC + HL, IPC + NS + HL, IPC + IrA+ HL, IPC + Atr + oxidative stress, mitochondrial function, integrity, and hemodynamic parameters are evaluated for each group. Results: The present experimental data show that pretreatment with IrA reduced the LDH, CK-MB, size of myocardial infarction, content of cardiac collagen, and ventricular fibrillation in all groups of HL rat hearts. This pretreatment also reduced the oxidative stress and mitochondrial dysfunction. Inhibition of MPTP opening by Atr diminished the effect of IrA on IPC-mediated cardioprotection in HL rats. Conclusion: The study findings indicate that pretreatment with IrA e restores IPC-mediated cardioprotection in HL rats by inhibiting the MPTP opening.
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Rosa Martha Perez Gutierrez 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.1
Bioactivity-guided fractionation of methanol extracts from leaves of Piper auritum produced four triterpenoid saponin compounds 1-4. Structures were established based on interpretation of mass spectrometry (MS), nuclear magnetic resonance (NMR) data. 21-(p-methoxycinnamoyl)-olean-12-ene- 28oic cid-3-O-α-L-arabinopyranosyl-(1→2)-β-D-glucopyranoside (1) and olean-12-ene-28 methyl ester- 3-O-α-L-arabinofuranosyl-(1→2)-β-D-glucopyranoside (2) were orally administered to diabetic mice at dosage of 10 mg/kg of body weight per day for 30 days and resultant biochemical parameters were studied. Both compounds significantly (p<0.05) decreased serum glucose, total cholesterol, and triglyceride levels, compared with controls. Low density lipoprotein and high density lipoprotein cholesterol levels were ameliorated. The effects of lipid peroxidation and oxidative stress in the liver, pancreas, and kidney were reversed, with reductions insulin resistance and stimulation of insulin production. β-Glucosidase activities were studied in vitro. Compounds 1 and 2 can be used to improve glucose and lipid metabolism and to reduce the imbalance between generation of reactive oxygen species and scavenging enzyme activities for prevention of diabetic complications.
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