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Yu J, Song H, Zhou L, Wang S, Liu X, Liu L, Ma Y, Li L, Wen S, Luo Y, Zhang X, Li W, Niu X. (-)-Epicatechin gallate prevented atherosclerosis by reducing abnormal proliferation of VSMCs and oxidative stress of AML 12 cells. Cell Signal 2024; 121:111276. [PMID: 38936786 DOI: 10.1016/j.cellsig.2024.111276] [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] [Received: 04/08/2024] [Revised: 06/05/2024] [Accepted: 06/24/2024] [Indexed: 06/29/2024]
Abstract
(-)-Epicatechin gallate (ECG) is beneficial to the treatment of cardiovascular diseases (CVDs), especially atherosclerosis (AS) through antioxidant stress, but there is a lack of detailed mechanism research. In this study, the therapeutic target of ECG was determined by crossing the drug target and disease target of CVDs and AS. The combination ability of ECG with important targets was verified by Discovery Studio software. The abnormal proliferation of vascular smooth muscle cells (VSMCs) induced by Ang-II and the oxidative damage of AML 12 induced by H2O2 were established to verify the reliability of ECG intervention on the target protein. A total of 120 ECG targets for the treatment of CVDs-AS were predicted by network pharmacology. The results of molecular docking showed that ECG has strong binding force with VEGFA, MMP-9, CASP3 and MMP-2 domains. In vitro experiments confirmed that ECG significantly reduced the expression of VEGFA, MMP-9, CASP3 and MMP-2 in Ang-II-induced VSMCs, and also blocked the abnormal proliferation, oxidative stress and inflammatory reaction of VSMCs by inhibiting the phosphorylation of PI3K signaling pathway. At the same time, ECG also interfered with H2O2-induced oxidative damage of AML 12 cells, decreased the expression of ROS and MDA and cell foaming, and increased the activities of antioxidant enzymes such as SOD, thus playing a protective role.
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Affiliation(s)
- Jinjin Yu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Huixin Song
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Lili Zhou
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Siqi Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Xinyao Liu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Lingyi Liu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Yajing Ma
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Lingli Li
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Sha Wen
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Yuzhi Luo
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Xinya Zhang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China
| | - Weifeng Li
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China.
| | - Xiaofeng Niu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, PR China.
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Yan H, Zhao L, He Q, Hu Y, Li Q, He K, Zhang D, Liu Q, Luo J, Luo W, Chen S, Li L, Yang S. Exposure to Intermittent Environmental Hypoxia Promotes Vascular Remodeling through Angiogenesis in the Liver of Largemouth Bass ( Micropterus salmoides). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:17796-17807. [PMID: 36802614 DOI: 10.1021/acs.est.2c07329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
In this study, we explored the effects of 4 weeks of intermittent hypoxic exposure (IHE) on liver angiogenesis and related regulatory mechanisms in largemouth bass (Micropterus salmoides). The results indicated that the O2 tension for loss of equilibrium (LOE) decreased from 1.17 to 0.66 mg/L after 4 weeks of IHE. Meanwhile, the red blood cell (RBC) and hemoglobin concentrations significantly increased during IHE. Our investigation also found that the observed increase in angiogenesis was correlated with a high expression of related regulators, such as Jagged, phosphoinositide-3-kinase (PI3K), and mitogen-activated protein kinase (MAPK). After 4 weeks of IHE, the overexpression of factors related to angiogenesis processes mediated by HIF-independent pathways (such as nuclear factor kappa-B (NF-κB), NADPH oxidase 1 (NOX1), and interleukin 8 (IL8)) was correlated with the accumulation of lactic acid (LA) in the liver. The addition of cabozantinib, a specific inhibitor of VEGFR2, blocked the phosphorylation of VEGFR2 and downregulated the expression of downstream angiogenesis regulators in largemouth bass hepatocytes exposed to hypoxia for 4 h. These results suggested that IHE promoted liver vascular remodeling by the regulation of angiogenesis factors, presenting a potential mechanism for the improvement of hypoxia tolerance in largemouth bass.
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Affiliation(s)
- Haoxiao Yan
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Liulan Zhao
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Qishuang He
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Yifan Hu
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Quanxi Li
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Kuo He
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Dongmei Zhang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Qiao Liu
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Jie Luo
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Wei Luo
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Shiyi Chen
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Lisen Li
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Song Yang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
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Hu YX, Hu BW, Chen YS, You HM, Bai MR, Zhang LJ, Guo ZF, Liang C. Di-(2-ethylhexyl) phthalate impairs angiogenesis and hematopoiesis via suppressing VEGF signaling in zebrafish. Comp Biochem Physiol C Toxicol Pharmacol 2023; 267:109588. [PMID: 36858141 DOI: 10.1016/j.cbpc.2023.109588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 02/20/2023] [Accepted: 02/22/2023] [Indexed: 03/03/2023]
Abstract
Di-(2-ethylhexyl) phthalate (DEHP) is among the most widely used plasticizers in plastic production, which has been detected in various environments. However, DEHP safety remains poorly known. Using zebrafish models, the effects of DEHP on the angiogenesis and hematopoiesis, and the underlying mechanism, were studied. Transgenic zebrafish embryos with specific fluorescence of vascular endothelial cells, myeloid cells, or hematopoietic stem cells were exposed to 0, 100, 150, 200, or 250 nM of DEHP for 22, 46 or 70 h, followed by fluorescence observation, endogenous alkaline phosphatase activity measurement, erythrocyte staining, and gene expression analysis by quantitative PCR and whole mount in situ hybridization. High DEHP concentrations decreased the sprouting rate, average diameter, and length, and the expansion area of the vessels lowered the EAP activity and suppressed the vascular endothelial growth factor (vegf) and hematopoietic marker genes, including c-myb, hbae1, hbbe1, and lyz expressions. DEHP treatment also decreased the number of hematopoietic stem cells, erythrocytes, and myeloid cells at 24 and 72 hpf. These DEHP-induced angiogenetic and hematopoietic defects might be alleviated by vegf overexpression. Our results reveal a plausible mechanistic link between DEHP exposure-induced embryonic angiogenetic defect and hematopoietic impairment.
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Affiliation(s)
- Yang-Xi Hu
- Department of Cardiology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Bo-Wen Hu
- Department of Cardiology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Ya-Sha Chen
- Department of Cardiology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Hong-Min You
- Department of Cardiology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Mei-Rong Bai
- Department of Pediatric Surgery, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Lu-Jun Zhang
- Department of Cardiology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Zhi-Fu Guo
- Department of Cardiology, Changhai Hospital, Naval Medical University, Shanghai 200433, China.
| | - Chun Liang
- Department of Cardiology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China.
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Smith MR, Costa G. RNA-binding proteins and translation control in angiogenesis. FEBS J 2022; 289:7788-7809. [PMID: 34796614 DOI: 10.1111/febs.16286] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 10/17/2021] [Accepted: 11/17/2021] [Indexed: 01/14/2023]
Abstract
Tissue vascularization through the process of angiogenesis ensures adequate oxygen and nutrient supply during development and regeneration. The complex morphogenetic events involved in new blood vessel formation are orchestrated by a tightly regulated crosstalk between extra and intracellular factors. In this context, RNA-binding protein (RBP) activity and protein translation play fundamental roles during the cellular responses triggered by particular environmental cues. A solid body of work has demonstrated that key RBPs (such as HuR, TIS11 proteins, hnRNPs, NF90, QKIs and YB1) are implicated in both physiological and pathological angiogenesis. These RBPs are critical for the metabolism of messenger (m)RNAs encoding angiogenic modulators and, importantly, strong evidence suggests that RBP-mRNA interactions can be altered in disease. Lesser known, but not less important, the mechanistic aspects of protein synthesis can also regulate the generation of new vessels. In this review, we outline the key findings demonstrating the implications of RBP-mediated RNA regulation and translation control in angiogenesis. Furthermore, we highlight how these mechanisms of post-transcriptional control of gene expression have led to promising therapeutic strategies aimed at targeting undesired blood vessel formation.
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Affiliation(s)
- Madeleine R Smith
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University, Belfast, UK
| | - Guilherme Costa
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University, Belfast, UK
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Kamato D, Ilyas I, Xu S, Little PJ. Non-Mouse Models of Atherosclerosis: Approaches to Exploring the Translational Potential of New Therapies. Int J Mol Sci 2022; 23:12964. [PMID: 36361754 PMCID: PMC9656683 DOI: 10.3390/ijms232112964] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 09/26/2023] Open
Abstract
Cardiovascular disease is the largest single cause of disease-related mortality worldwide and the major underlying pathology is atherosclerosis. Atherosclerosis develops as a complex process of vascular lipid deposition and retention by modified proteoglycans, endothelial dysfunction and unresolved chronic inflammation. There are a multitude of current therapeutic agents, most based on lowering plasma lipid levels, but, overall, they have a lower than optimum level of efficacy and many deaths continue to arise from cardiovascular disease world-wide. To identify and evaluate potential novel cardiovascular drugs, suitable animal models that reproduce human atherosclerosis with a high degree of fidelity are required as essential pre-clinical research tools. Commonly used animal models of atherosclerosis include mice (ApoE-/-, LDLR-/- mice and others), rabbits (WHHL rabbits and others), rats, pigs, hamster, zebrafish and non-human primates. Models based on various wild-type and genetically modified mice have been extensively reviewed but mice may not always be appropriate. Thus, here, we provide an overview of the advantages and shortcomings of various non-mouse animal models of atherosclerotic plaque formation, and plaque rupture, as well as commonly used interventional strategies. Taken together, the combinatorial selection of suitable animal models readily facilitates reproducible and rigorous translational research in discovering and validating novel anti-atherosclerotic drugs.
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Affiliation(s)
- Danielle Kamato
- Discovery Biology, Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia
- Pharmacy Australia Centre of Excellence, School of Pharmacy, University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Iqra Ilyas
- Laboratory of Metabolics and Cardiovascular Diseases, University of Science and Technology of China, Hefei 230027, China
- Biomedical Sciences and Health Laboratory of Anhui Province, University of Science and Technology of China, Hefei 230027, China
| | - Suowen Xu
- Laboratory of Metabolics and Cardiovascular Diseases, University of Science and Technology of China, Hefei 230027, China
- Biomedical Sciences and Health Laboratory of Anhui Province, University of Science and Technology of China, Hefei 230027, China
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei 230001, China
| | - Peter J. Little
- Pharmacy Australia Centre of Excellence, School of Pharmacy, University of Queensland, Woolloongabba, QLD 4102, Australia
- Sunshine Coast Health Institute and School of Health and Behavioural Sciences, University of the Sunshine Coast, Birtinya, QLD 4575, Australia
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