Abstract
Atherosclerosis, a multifaceted and persistent inflammatory condition, significantly contributes to the progression of cardiocerebrovascular disorders, such as myocardial infarctions and cerebrovascular accidents. It involves the accumulation of cholesterol, fatty deposits, calcium and cellular debris in the walls of arteries, leading to the formation of plaques. Our aim is to investigate the potential of sinomenine to counteract atherosclerosis in mice lacking Apolipoprotein E (ApoE−/−) Mice. We employed the high-fat diet-induced method to induce atherosclerosis in ApoE−/− mice, and the mice were treated with sinomenine (5, 10, and 15 mg/kg) and simvastatin (0.5 mg/kg) for 12 weeks. Body weight, water intake, and food intake were assessed. Lipid parameters, oxidative stress, inflammatory cytokines, and mRNA levels were estimated. Sinomenine treatment remarkably (P < 0.001) suppressed body weight, along with food and water intake. Sinomenine altered the levels of total cholesterol (TC), high-density lipoprotein (HDL), triglyceride (TG), low-density lipoprotein (LDL), and very low-density lipoprotein (VLDL), which were modulated in the atherosclerosis group. Sinomenine treatment also altered the levels of oxidative stress parameters such as glutathione peroxidase (GPx), catalase (CAT), malonaldehyde (MDA), superoxide dismutase (SOD) and glutathione (GSH). In addition, it modulated cardiac parameters like C-reactive protein (CRP), endothelin-1 (ET-1), thromboxane B2 (TXB2), nitric oxide (NO), cardiac troponin I (cTnI), lactate dehydrogenase (LDH), and creatinine kinase isoenzymes (CK-MB). Inflammatory cytokines interleukin (IL)-1α, IL-1β, TNF-α, IL-6, and IL-10 were also affected. Sinomenine further suppressed the mRNA expression of IL-6, IL-17, IL-10, tumor necrosis factor-α (TNF-α), Il-1β, monocyte chemoattractant protein-1 (MCP-1), MCP-2, MCP-3, transforming Growth Factor-1β (TGF-1β), vascular cell adhesion molecule 1 (VCAM-1), and intercellular adhesion molecule-1 (ICAM-1). The results suggest that sinomenine remarkably suppressed the development of atherosclerosis in the early stage.
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Data availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
Abbreviations
- ApoE−/− :
-
Apolipoprotein E
- TC:
-
Total cholesterol
- TG:
-
Triglyceride
- HDL:
-
High-density lipoprotein
- LDL:
-
Low density lipoprotein
- VLDL:
-
Very low-density lipoprotein
- CAT:
-
Catalase
- MDA:
-
Malonaldehyde
- GPx:
-
Glutathione peroxidase
- SOD:
-
Superoxide dismutase
- GSH:
-
Glutathione
- ET-1:
-
Endothelin-1
- CRP:
-
C-reactive protein
- TXB2:
-
Thromboxane B2
- NO:
-
Nitric oxide
- cTnI:
-
Cardiac troponin I
- LDH:
-
Lactate dehydrogenase
- CK-MB:
-
Creatinine kinase isoenzymes
- IL:
-
Interleukin
- TNF-α:
-
Tumor necrosis factor-α
- MCP-1:
-
Monocyte chemoattractant protein-1
- TGF-1β:
-
Transforming growth factor-1β
- VCAM-1:
-
Vascular cell adhesion molecule 1
- ICAM-1:
-
Intercellular adhesion molecule-1
- WHO:
-
World Health Organization
- CVD:
-
Cardiovascular disease
- eNOS:
-
Endothelial NO synthase
- O2 :
-
Superoxide
- FFA:
-
Free fatty acid
- AST:
-
Aspartate transaminase
- ALP:
-
Alkaline phosphatase
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The study was funded (2022MS04).
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Conceptualization: ZG, CY, ML, MS. Methodology: GZ, YZ, BF. Investigation: ZG. Writing—original draft: HSG, HSGu. Writing—review & editing: KY, ZG, CY, ML, MS.
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Gao, Z., Yang, C., Zeng, G. et al. Sinomenine protects against atherosclerosis in apolipoprotein E-knockout mice by inhibiting of inflammatory pathway. Inflammopharmacol 32, 1387–1400 (2024). https://doi.org/10.1007/s10787-024-01437-8
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DOI: https://doi.org/10.1007/s10787-024-01437-8