Tongqiaohuoxue Hinders Development and Progression of Atherosclerosis: A Possible Role in Alzheimer’s Disease
1
Department of Biochemistry, School of Medicine, Keimyung University, Daegu 42601, Korea
2
Non-Clinical Research Collaboration Team, Korea Institute of Oriental Medicine, Daejeon 34054, Korea
3
Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Korea
4
Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon 34054, Korea
*
Author to whom correspondence should be addressed.
Biology 2020, 9(11), 363; https://doi.org/10.3390/biology9110363
Received: 19 October 2020
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Revised: 22 October 2020
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Accepted: 23 October 2020
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Published: 27 October 2020
Simple Summary
Alzheimer’s disease and coronary heart disease are two ever-increasing major health concerns worldwide. Scientific studies revealed a link between Alzheimer’s disease and atherosclerosis, a major causality of coronary heart disease. Herbal medicine has been widely prescribed to treat Alzheimer’s disease and atherosclerosis. In the current study, we explored the possible therapeutic effect of Tongqiaohuoxue, a herbal medicine developed during the Qing dynasty of China for the prevention and treatment of cardiovascular disease, on Alzheimer’s disease and atherosclerosis. We discovered Tongqiaohuoxue showed therapeutic effects not only on atherosclerosis but also on Alzheimer’s disease. Tongqiaohuoxue treatment into the animal model of Alzheimer’s disease and atherosclerosis attenuated atherosclerotic plaque and brain amyloid formations, abnormalities that are characteristic of coronary heart disease and Alzheimer’s disease, respectively. Based on these findings, Tongqiaohuxue showed promising therapeutic effects for the treatment of patients with both Alzheimer’s disease and coronary heart disease.
Atherosclerosis is closely associated with Alzheimer’s disease (AD). Tongqiaohuoxue decoction (THD) is a classical herbal prescription in traditional Chinese medicine widely used for the prevention and treatment of cerebrovascular disease. This study aimed to explore the therapeutic effects of THD on atherosclerosis and AD. Eight-week-old C57BL6/J wild-type and ApoE-deficient (ApoE-/-) mice were fed a high-fat and high-cholesterol diet for eight weeks, followed by oral phosphate-buffered saline vehicle or THD treatment for eight weeks further. In ApoE-/- mice, THD attenuated lipid deposition in the aorta and the brain, and abrogated atherosclerotic changes without affecting serum lipid profiles while decreasing amyloid plaque formation. In vitro assays undertaken to understand THD’s effects on lipid clearance in the aorta and brain vessels revealed that THD treatment inhibited the lipid uptake, stimulated by oxidized low-density lipoprotein, resulted in decreased endothelial cell activation through reduction in intercellular adhesion molecule-1, vascular cell adhesion molecule-1, and monocyte chemoattractant protein-1 levels. Serum analysis revealed inhibitory effects of THD on resistin production, which has important roles in the development of both atherosclerosis and AD. In conclusion, the current study demonstrates beneficial effects of THD on the development and progression of atherosclerosis, and a possible protective role against AD.
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Keywords:
Tongqiaohuoxue decoction; atherosclerosis; apolipoprotein E; Alzheimer’s disease; resistin
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MDPI and ACS Style
Ha, E.; Kim, M.; Chun, J.; Seo, C.-S.; Ahn, Y.; Jung, J. Tongqiaohuoxue Hinders Development and Progression of Atherosclerosis: A Possible Role in Alzheimer’s Disease. Biology 2020, 9, 363. https://doi.org/10.3390/biology9110363
AMA Style
Ha E, Kim M, Chun J, Seo C-S, Ahn Y, Jung J. Tongqiaohuoxue Hinders Development and Progression of Atherosclerosis: A Possible Role in Alzheimer’s Disease. Biology. 2020; 9(11):363. https://doi.org/10.3390/biology9110363
Chicago/Turabian StyleHa, Eunyoung, Mikyung Kim, Jaemoo Chun, Chang-Seob Seo, YouMee Ahn, and Jeeyoun Jung. 2020. "Tongqiaohuoxue Hinders Development and Progression of Atherosclerosis: A Possible Role in Alzheimer’s Disease" Biology 9, no. 11: 363. https://doi.org/10.3390/biology9110363
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