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Guan X, Hu Y, Hao J, Lu M, Zhang Z, Hu W, Li D, Li C. Stress, Vascular Smooth Muscle Cell Phenotype and Atherosclerosis: Novel Insight into Smooth Muscle Cell Phenotypic Transition in Atherosclerosis. Curr Atheroscler Rep 2024; 26:411-425. [PMID: 38814419 DOI: 10.1007/s11883-024-01220-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2024] [Indexed: 05/31/2024]
Abstract
PURPOSE OF REVIEW Our work is to establish more distinct association between specific stress and vascular smooth muscle cells (VSMCs) phenotypes to alleviate atherosclerotic plaque burden and delay atherosclerosis (AS) progression. RECENT FINDING In recent years, VSMCs phenotypic transition has received significant interests. Different stresses were found to be associated with VSMCs phenotypic transition. However, the explicit correlation between VSMCs phenotype and specific stress has not been elucidated clearly yet. We discover that VSMCs phenotypic transition, which is widely involved in the progression of AS, is associated with specific stress. We discuss approaches targeting stresses to intervene VSMCs phenotypic transition, which may contribute to develop innovative therapies for AS.
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Affiliation(s)
- Xiuya Guan
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Yuanlong Hu
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Jiaqi Hao
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Mengkai Lu
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Zhiyuan Zhang
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Wenxian Hu
- Qingdao Hiser Hospital Affiliated of Qingdao University (Qingdao Traditional Chinese Medicine Hospital), Qingdao, 266000, China.
| | - Dongxiao Li
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China.
| | - Chao Li
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China.
- Qingdao Hiser Hospital Affiliated of Qingdao University (Qingdao Traditional Chinese Medicine Hospital), Qingdao, 266000, China.
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Gierig M, Tragoudas A, Haverich A, Wriggers P. Mechano-chemo-biological model of atherosclerosis formation based on the outside-in theory. Biomech Model Mechanobiol 2024; 23:539-552. [PMID: 38141085 PMCID: PMC11343805 DOI: 10.1007/s10237-023-01790-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 10/29/2023] [Indexed: 12/24/2023]
Abstract
Atherosclerosis is a disease in blood vessels that often results in plaque formation and lumen narrowing. It is an inflammatory response of the tissue caused by disruptions in the vessel wall nourishment. Blood vessels are nourished by nutrients originating from the blood of the lumen. In medium-sized and larger vessels, nutrients are additionally provided from outside through a network of capillaries called vasa vasorum. It has recently been hypothesized (Haverich in Circulation 135:205-207, 2017) that the root of atherosclerotic diseases is the malfunction of the vasa vasorum. This, so-called outside-in theory, is supported by a recently developed numerical model (Soleimani et al. in Arch Comput Methods Eng 28:4263-4282, 2021) accounting for the inflammation initiation in the adventitial layer of the blood vessel. Building on the previous findings, this work proposes an extended material model for atherosclerosis formation that is based on the outside-in theory. Beside the description of growth kinematics and nutrient diffusion, the roles of monocytes, macrophages, foam cells, smooth muscle cells and collagen are accounted for in a nonlinear continuum mechanics framework. Cells are activated due to a lack of vessel wall nourishment and proliferate, migrate, differentiate and synthesize collagen, leading to the formation of a plaque. Numerical studies show that the onset of atherosclerosis can qualitatively be reproduced and back the new theory.
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Affiliation(s)
- Meike Gierig
- Institute of Continuum Mechanics, Leibniz University of Hannover, An der Universität 1, 30823, Garbsen, Germany
| | - Alexandros Tragoudas
- Institute of Continuum Mechanics, Leibniz University of Hannover, An der Universität 1, 30823, Garbsen, Germany
| | - Axel Haverich
- Department of Cardiothoracic, Transplantation, and Vascular Surgery, Hannover Medical School (MHH), Carl-Neuberg-Straße 1, 30625, Hannover, Germany
| | - Peter Wriggers
- Institute of Continuum Mechanics, Leibniz University of Hannover, An der Universität 1, 30823, Garbsen, Germany.
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Wang LM, Zhang WL, Lyu N, Suo YR, Yang L, Yu B, Jiang XJ. Research Advance of Chinese Medicine in Treating Atherosclerosis: Focus on Lipoprotein-Associated Phospholipase A2. Chin J Integr Med 2024; 30:277-288. [PMID: 38057549 DOI: 10.1007/s11655-023-3611-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/24/2023] [Indexed: 12/08/2023]
Abstract
As a serious cardiovascular disease, atherosclerosis (AS) causes chronic inflammation and oxidative stress in the body and poses a threat to human health. Lipoprotein-associated phospholipase A2 (Lp-PLA2) is a member of the phospholipase A2 (PLA2) family, and its elevated levels have been shown to contribute to AS. Lp-PLA2 is closely related to a variety of lipoproteins, and its role in promoting inflammatory responses and oxidative stress in AS is mainly achieved by hydrolyzing oxidized phosphatidylcholine (oxPC) to produce lysophosphatidylcholine (lysoPC). Moreover, macrophage apoptosis within plaque is promoted by localized Lp-PLA2 which also promotes plaque instability. This paper reviews those researches of Chinese medicine in treating AS via reducing Lp-PLA2 levels to guide future experimental studies and clinical applications related to AS.
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Affiliation(s)
- Lu-Ming Wang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Wen-Lan Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Nuan Lyu
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Yan-Rong Suo
- Department of Traditional Chinese Medicine, Ganzhou People's Hospital, Ganzhou, Jiangxi Province, 341000, China
| | - Lin Yang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Bin Yu
- School of Medical Technology, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China.
| | - Xi-Juan Jiang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
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Inflammation, Microcalcification, and Increased Expression of Osteopontin Are Histological Hallmarks of Plaque Vulnerability in Patients with Advanced Carotid Artery Stenosis. Biomedicines 2023; 11:biomedicines11030881. [PMID: 36979863 PMCID: PMC10045225 DOI: 10.3390/biomedicines11030881] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/18/2023] Open
Abstract
Background: severe carotid artery stenosis is a major cause of ischemic stroke and consequent neurological deficits. The most important steps of atherosclerotic plaque development, leading to carotid stenosis, are well-known; however, their exact timeline and intricate causal relationships need to be more characterized. Methods: in a cohort of 119 patients, who underwent carotid endarterectomy, we studied the histological correlations between arterial calcification patterns and localization, the presence of the inflammatory infiltrate and osteopontin expression, with ulceration, thrombosis, and intra-plaque hemorrhage, as direct signs of vulnerability. Results: in patients with an inflammatory infiltrate, aphasia was more prevalent, and microcalcification, superficial calcification, and high-grade osteopontin expression were characteristic. Higher osteopontin expression was also correlated with the presence of a lipid core. Inflammation and microcalcification were significantly associated with plaque ulceration in logistic regression models; furthermore, ulceration and the inflammatory infiltrate were significant determinants of atherothrombosis. Conclusion: our results bring histological evidence for the critically important role of microcalcification and inflammatory cell invasion in the formation and destabilization of advanced carotid plaques. In addition, as a calcification organizer, high-grade osteopontin expression is associated with ulceration, the presence of a large lipid core, and may also have an intrinsic role in plaque progression.
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Ouhaddi Y, Charbonnier B, Porge J, Zhang YL, Garcia I, Gbureck U, Grover L, Gilardino M, Harvey E, Makhoul N, Barralet J. Development of Neovasculature in Axially Vascularized Calcium Phosphate Cement Scaffolds. J Funct Biomater 2023; 14:jfb14020105. [PMID: 36826904 PMCID: PMC9966587 DOI: 10.3390/jfb14020105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/06/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023] Open
Abstract
Augmenting the vascular supply to generate new tissues, a crucial aspect in regenerative medicine, has been challenging. Recently, our group showed that calcium phosphate can induce the formation of a functional neo-angiosome without the need for microsurgical arterial anastomosis. This was a preclinical proof of concept for biomaterial-induced luminal sprouting of large-diameter vessels. In this study, we investigated if sprouting was a general response to surgical injury or placement of an inorganic construct around the vessel. Cylindrical biocement scaffolds of differing chemistries were placed around the femoral vein. A contrast agent was used to visualize vessel ingrowth into the scaffolds. Cell populations in the scaffold were mapped using immunohistochemistry. Calcium phosphate scaffolds induced 2.7-3 times greater volume of blood vessels than calcium sulphate or magnesium phosphate scaffolds. Macrophage and vSMC populations were identified that changed spatially and temporally within the scaffold during implantation. NLRP3 inflammasome activation peaked at weeks 2 and 4 and then declined; however, IL-1β expression was sustained over the course of the experiment. IL-8, a promoter of angiogenesis, was also detected, and together, these responses suggest a role of sterile inflammation. Unexpectedly, the effect was distinct from an injury response as a result of surgical placement and also was not simply a foreign body reaction as a result of placing a rigid bioceramic next to a vein, since, while the materials tested had similar microstructures, only the calcium phosphates tested elicited an angiogenic response. This finding then reveals a potential path towards a new strategy for creating better pro-regenerative biomaterials.
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Affiliation(s)
- Yassine Ouhaddi
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Baptiste Charbonnier
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Juliette Porge
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue, Montreal, QC H3A 1G1, Canada
| | - Yu-Ling Zhang
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Isadora Garcia
- Division of Operative Dentistry, Department of General Dentistry, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Uwe Gbureck
- Department of Functional Materials in Medicine and Dentistry, University of Würzburg, D-97070 Würzburg, Germany
| | - Liam Grover
- School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK
| | - Mirko Gilardino
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Edward Harvey
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Nicholas Makhoul
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue, Montreal, QC H3A 1G1, Canada
| | - Jake Barralet
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue, Montreal, QC H3A 1G1, Canada
- Correspondence:
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