Luteolin Reduces Cardiac Damage Caused by Hyperlipidemia in Sprague-Dawley Rats

Overview

Journal Heliyon

Specialty Social Sciences

Date 2023 Jul 6

PMID 37408924

Authors

Min Dong

Yao Luo

Yong Lan

Qinghua He

Lei Xu

Zuowei Pei

Affiliations

Soon will be listed here.

Abstract

Objective: Hyperlipidemia is a risk factor for cardiac damage that can lead to many cardiovascular diseases. A recent study reported the cardioprotective effects of luteolin and . In this study, we aimed to investigate the possible protective effects of luteolin against hyperlipidemia-induced cardiac damage in Sprague-Dawley (SD) rats.

Methods: Six-week-old male SD rats were randomly divided into five groups: a normal diet (ND) group; a high-fat diet (HFD) group; and three high-fat diet mixed with luteolin (HFD + LUT) groups, where in a luteolin dosage 50, 100, or 200 mg/kg/day was administered. All groups were fed their respective diets for 12 weeks.

Results: Left ventricular ejection fraction and fractional shortening (parameters of cardiac function) were lower in the HFD + LUT (100 mg/kg/day) group than in the HFD group. Metabolic parameters were lower in the HFD + LUT (100 mg/kg/day) group than in the HFD group. Collagen I, collagen III, and TGF-β expression levels were lower in the cardiac tissues of the HFD + LUT (100 mg/kg/day) group, compared to those of the HFD group. Expression of the profibrotic genes MMP2 and MMP9 was suppressed in the cardiac tissues of the HFD + LUT (100 mg/kg/day) group, compared to those of the HFD group. Furthermore, CD36 and lectin-like oxidized low-density lipoprotein receptor-1 protein levels were lower in the cardiac tissues of the HFD + LUT (100 mg/kg/day) group, compared to those of the HFD group.

Conclusion: These findings would provide new insights into the role of luteolin in hyperlipidemia-induced cardiac damage and contribute to the development of novel therapeutic interventions to treat cardiovascular disease progression.

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