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Li Z, Zou X, Lu R, Wan X, Sun S, Wang S, Qu Y, Zhang Y, Li Z, Yang L, Fang S. Arsenic trioxide alleviates atherosclerosis by inhibiting CD36-induced endocytosis and TLR4/NF-κB-induced inflammation in macrophage and ApoE -/- mice. Int Immunopharmacol 2024; 128:111452. [PMID: 38237221 DOI: 10.1016/j.intimp.2023.111452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 12/22/2023] [Accepted: 12/23/2023] [Indexed: 02/08/2024]
Abstract
BACKGROUND Inflammation and lipid accumulation are key events in atherosclerosis progression. Despite arsenic trioxide's (ATO) toxicity, at appropriate doses, it is a useful treatment for various diseases treatment. ATO prevents vascular restenosis; however, its effects on atherosclerotic plaque development and instability remain unclear. METHODS ApoE-/- mice were fed high-fat diet for 4 months, and starting at the third month, ATO was intravenously administered every other day. Atherosclerotic lesion size, histological characteristics, and related protein and lipid profiles were assessed using samples from the aorta, carotid artery, and serum. The anti-inflammatory and anti-pyroptosis effects of ATO were investigated by stimulating RAW264.7 and THP-1 cell lines with oxidized low-density lipoprotein (ox-LDL) or lipopolysaccharide (LPS). RESULTS ATO reduced atherosclerotic lesion formation and plasma lipid levels in ApoE-/- mice. In the serum and aortic plaques, ATO reduced the levels of pro-inflammatory factors, including interleukin (IL) 6 and tumor necrosis factor α, but increased IL-10 levels. Mechanistically, ATO promoted the CD36-mediated internalization of ox-LDL in a peroxisome proliferator-activated receptor γ-dependent manner. Furthermore, ATO downregulated Toll-like receptor 4 (TLR4) expression in plaques and macrophages and inhibited p65 nuclear translocation and IκBα degradation. ATO reduced macrophage pyroptosis by downregulating NLR family pyrin domain-containing 3 (NLRP3) expression and caspase 1 activation. CONCLUSION ATO has potential atheroprotective effects, especially in macrophages. The mechanisms were inhibition of CD36-mediated foam cell formation and suppression of inflammatory responses and pyroptosis mediated by TLR4/nuclear factor κB and NLRP3 activation. Our findings provide evidence supporting the potential atheroprotective value of ATO.
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Affiliation(s)
- Zhaoying Li
- Department of Cardiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China; The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang Province, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Xiaoyi Zou
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang Province, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Rongzhe Lu
- Department of Cardiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China; The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang Province, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Xin Wan
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang Province, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang Province, China; Department of Neurobiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Song Sun
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang Province, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang Province, China; Department of Neurobiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Shanjie Wang
- Department of Cardiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China; The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang Province, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yinan Qu
- Department of Cardiac Function, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, Guangdong Province, China
| | - Yun Zhang
- Univ Texas MD Anderson Canc Ctr, Dept Clin Canc Prevent, Houston, TX 77030 USA
| | - Zhangyi Li
- Department of biochemistry and life sciences, Faculty of Arts and Sciences, Queen's University, Kingston, Ontario, Canada
| | - Liming Yang
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang Province, China.
| | - Shaohong Fang
- Department of Cardiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China; The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang Province, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang Province, China.
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Wu H, Yang L, Luo R, Li L, Zheng T, Huang K, Qin Y, Yang X, Zhang X, Wang Y. A drug-free cardiovascular stent functionalized with tailored collagen supports in-situ healing of vascular tissues. Nat Commun 2024; 15:735. [PMID: 38272886 PMCID: PMC10810808 DOI: 10.1038/s41467-024-44902-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 01/10/2024] [Indexed: 01/27/2024] Open
Abstract
Drug-eluting stent implantation suppresses the excessive proliferation of smooth muscle cells to reduce in-stent restenosis. However, the efficacy of drug-eluting stents remains limited due to delayed reendothelialization, impaired intimal remodeling, and potentially increased late restenosis. Here, we show that a drug-free coating formulation functionalized with tailored recombinant humanized type III collagen exerts one-produces-multi effects in response to injured tissue following stent implantation. We demonstrate that the one-produces-multi coating possesses anticoagulation, anti-inflammatory, and intimal hyperplasia suppression properties. We perform transcriptome analysis to indicate that the drug-free coating favors the endothelialization process and induces the conversion of smooth muscle cells to a contractile phenotype. We find that compared to drug-eluting stents, our drug-free stent reduces in-stent restenosis in rabbit and porcine models and improves vascular neointimal healing in a rabbit model. Collectively, the one-produces-multi drug-free system represents a promising strategy for the next-generation of stents.
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Affiliation(s)
- Haoshuang Wu
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Li Yang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Li Li
- Institute of Clinical Pathology, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Tiantian Zheng
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Kaiyang Huang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Yumei Qin
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Xia Yang
- Shanxi Key Laboratory of Functional Proteins, Shanxi Jinbo Bio-Pharmaceutical Co., Ltd., Taiyuan, 030032, Shanxi, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China.
- Tianfu Jincheng Laboratory (Frontier Medical Center), Chengdu, 610213, China.
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Yang L, Li J, Zang G, Song S, Sun Z, Li X, Li Y, Xie Z, Zhang G, Gui N, Zhu S, Chen T, Cai Y, Zhao Y. Pin1/YAP pathway mediates matrix stiffness-induced epithelial-mesenchymal transition driving cervical cancer metastasis via a non-Hippo mechanism. Bioeng Transl Med 2022; 8:e10375. [PMID: 36684109 PMCID: PMC9842039 DOI: 10.1002/btm2.10375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 06/01/2022] [Accepted: 06/24/2022] [Indexed: 01/25/2023] Open
Abstract
Cervical cancer metastasis is an important cause of death in cervical cancer. Previous studies have shown that epithelial-mesenchymal transition (EMT) of tumors promotes its invasive and metastatic capacity. Alterations in the extracellular matrix (ECM) and mechanical signaling are closely associated with cancer cell metastasis. However, it is unclear how matrix stiffness as an independent cue triggers EMT and promotes cervical cancer metastasis. Using collagen-coated polyacrylamide hydrogel models and animal models, we investigated the effect of matrix stiffness on EMT and metastasis in cervical cancer. Our data showed that high matrix stiffness promotes EMT and migration of cervical cancer hela cell lines in vitro and in vivo. Notably, we found that matrix stiffness regulates yes-associated protein (YAP) activity via PPIase non-mitotic a-interaction 1 (Pin1) with a non-Hippo mechanism. These data indicate that matrix stiffness of the tumor microenvironment positively regulates EMT in cervical cancer through the Pin1/YAP pathway, and this study deepens our understanding of cervical cancer biomechanics and may provide new ideas for the treatment of cervical cancer.
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Affiliation(s)
- Long Yang
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Jingwen Li
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Guangchao Zang
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Sijie Song
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Zhengwen Sun
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Xinyue Li
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Yuanzhu Li
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Zhenhong Xie
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Guangyuan Zhang
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Ni Gui
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Shu Zhu
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Tingting Chen
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Yikui Cai
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
| | - Yinping Zhao
- Laboratory of Tissue and Cell BiologyLab Teaching & Management Center, Chongqing Medical UniversityYuzhong District, ChongqingChina
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Modabber A, Winnand P, Goloborodko E, Möhlhenrich SC, Kniha K, Tolba R, Jockenhoevel S, Hermanns-Sachweh B, Hölzle F, Heitzer M. Biodegradation and Immunological Parameters of Polyurethane-based Tissue Adhesive in Arterial Microvascular Anastomoses - a Long-term in Vivo Study. Macromol Biosci 2022; 22:e2100451. [PMID: 35080346 DOI: 10.1002/mabi.202100451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/16/2022] [Indexed: 11/07/2022]
Abstract
In microsurgical anastomosis, non-synthetic fibrin-based adhesives have predominantly shown superior properties to synthetic cyanoacrylates, but they have hardly any clinical application. This study aimed to investigate the local and systemic effects of synthetically produced biodegradable adhesive VIVO when used in microsurgical anastomosis. VIVO was used in two different anastomosis procedures in the common carotid artery in a rat model: VIVO in addition to a temporary catheter (VIVO TC) and VIVO with a custom-shaped memory nitinol stent (VIVO SM). Conventionally sutured anastomoses served as controls (C). Tissue response was assessed by in vivo fluorescence imaging and histological examination. The systemic effects of biodegradation were measured using hematologic parameters and serum levels of transaminase activity and lactate dehydrogenase. Finally, the degree of local adhesion of the different anastomotic procedures was evaluated. Fluorescence imaging showed reduced inflammatory blood flow in the VIVO TC group. Histological analysis of the anastomosed vessels also revealed significantly more inflammation in C than in the two adhesive groups. The severity of VIVO adhesions proved acceptable, and no histotoxic effects of VIVO were detected. The data demonstrated that the synthetic tissue adhesive VIVO is a reliable and- compared to sutures-tissue-friendly adhesive for microsurgical anastomoses. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Ali Modabber
- Department of Oral and Maxillofacial Surgery, University Hospital of Aachen, Pauwelsstraße 30, Aachen, 52074, Germany.,Head & Chairman Univ. Prof. Dr. med. Dr. med. dent. Frank Hölzle
| | - Philipp Winnand
- Department of Oral and Maxillofacial Surgery, University Hospital of Aachen, Pauwelsstraße 30, Aachen, 52074, Germany.,Head & Chairman Univ. Prof. Dr. med. Dr. med. dent. Frank Hölzle
| | - Evgeny Goloborodko
- Department of Oral and Maxillofacial Surgery, University Hospital of Aachen, Pauwelsstraße 30, Aachen, 52074, Germany.,Head & Chairman Univ. Prof. Dr. med. Dr. med. dent. Frank Hölzle
| | - Stephan Christian Möhlhenrich
- Department of Oral and Maxillofacial Surgery, University Hospital of Aachen, Pauwelsstraße 30, Aachen, 52074, Germany.,Head & Chairman Univ. Prof. Dr. med. Dr. med. dent. Frank Hölzle.,Department of Orthodontics, University of Witten/Herdecke, Alfred-Herrhausen Str. 45, Witten, 58455, Germany.,Head & Chairman Univ.-Prof. Dr. med. dent. Golamreza Danesh
| | - Kristian Kniha
- Department of Oral and Maxillofacial Surgery, University Hospital of Aachen, Pauwelsstraße 30, Aachen, 52074, Germany.,Head & Chairman Univ. Prof. Dr. med. Dr. med. dent. Frank Hölzle
| | - René Tolba
- Institute of Laboratory Animal Science and Experimental Surgery of RWTH-Aachen, Pauwelsstraße 30, Aachen, 52074, Germany.,Head & Chairman Univ.-Prof. Dr. med. René H. Tolba
| | - Stefan Jockenhoevel
- Department of Biohybrid and Medical Textiles (BioTex), AME-Helmholtz Institute for Biomedical Engineering, RWTH Aachen University, Aachen, 52074, Germany
| | - Benita Hermanns-Sachweh
- Implant Pathology ZBMT, Campus Melaten, Pauwelsstraße 17, Aachen, 52074.,Prof. Dr. med. Benita Hermanns-Sachweh
| | - Frank Hölzle
- Department of Oral and Maxillofacial Surgery, University Hospital of Aachen, Pauwelsstraße 30, Aachen, 52074, Germany.,Head & Chairman Univ. Prof. Dr. med. Dr. med. dent. Frank Hölzle
| | - Marius Heitzer
- Department of Oral and Maxillofacial Surgery, University Hospital of Aachen, Pauwelsstraße 30, Aachen, 52074, Germany.,Head & Chairman Univ. Prof. Dr. med. Dr. med. dent. Frank Hölzle
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Yin T, Du R, Wang Y, Huang J, Ge S, Huang Y, Tan Y, Liu Q, Chen Z, Feng H, Du J, Wang Y, Wang G. Two-stage degradation and novel functional endothelium characteristics of a 3-D printed bioresorbable scaffold. Bioact Mater 2021; 10:378-396. [PMID: 34901554 PMCID: PMC8636822 DOI: 10.1016/j.bioactmat.2021.08.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 12/13/2022] Open
Abstract
Bioresorbable scaffolds have emerged as a new generation of vascular implants for the treatment of atherosclerosis, and designed to provide a temporary scaffold that is subsequently absorbed by blood vessels over time. Presently, there is insufficient data on the biological and mechanical responses of blood vessels accompanied by bioresorbable scaffolds (BRS) degradation. Therefore, it is necessary to investigate the inflexion point of degradation, the response of blood vessels, and the pathophysiological process of vascular, as results of such studies will be of great value for the design of next generation of BRS. In this study, abdominal aortas of SD rats were received 3-D printed poly-l-actide vascular scaffolds (PLS) for various durations up to 12 months. The response of PLS implanted aorta went through two distinct processes: (1) the neointima with desirable barrier function was obtained in 1 month, accompanied with slow degradation, inflammation, and intimal hyperplasia; (2) significant degradation occurred from 6 months, accompanied with decreasing inflammation and intimal hyperplasia, while the extracellular matrix recovered to normal vessels which indicate the positive remodeling. These in vivo results indicate that 6 months is a key turning point. This “two-stage degradation and vascular characteristics” is proposed to elucidate the long-term effects of PLS on vascular repair and demonstrated the potential of PLS in promoting endothelium function and positive remodeling, which highlights the benefits of PLS and shed some light in the future researches, such as drug combination coatings design. Proposed two-stage degradation of a PLLA BRS to reveal distinct neointimal recovery and vascular responsive processes. Revealed novel benefits of BRS, including fine endothelium function, anti-thrombosis, and anti-inflammatory. Drug combination coatings should be designed concerning special degradation of BRS and the key turning point, 6 months.
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Affiliation(s)
- Tieying Yin
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Ruolin Du
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Yang Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Junyang Huang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Shuang Ge
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Yuhua Huang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Youhua Tan
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Qing Liu
- Beijing Advanced Medical Technologies Inc., Beijing, 102609, China
| | - Zhong Chen
- Beijing Anzhen Hospital of Capital Medical University, Beijing, 100029, China
| | - Hanqing Feng
- Beijing Advanced Medical Technologies Inc., Beijing, 102609, China
| | - Jie Du
- Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen Ave, Beijing, 10029, China
| | - Yazhou Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China.,School of Medicine, Chongqing University, Chongqing, 400044, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
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Yao H, He Y, Ma J, Jiang L, Li J, Wang J, Huang N. Recent advances in cardiovascular stent for treatment of in-stent restenosis: Mechanisms and strategies. Chin J Chem Eng 2021; 37:12-29. [DOI: 10.1016/j.cjche.2020.11.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Fang S, Wan X, Zou X, Sun S, Hao X, Liang C, Zhang Z, Zhang F, Sun B, Li H, Yu B. Arsenic trioxide induces macrophage autophagy and atheroprotection by regulating ROS-dependent TFEB nuclear translocation and AKT/mTOR pathway. Cell Death Dis 2021; 12:88. [PMID: 33462182 PMCID: PMC7814005 DOI: 10.1038/s41419-020-03357-1] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 01/30/2023]
Abstract
Inducing autophagy and inhibiting apoptosis may provide a therapeutic treatment for atherosclerosis (AS). For the treatment of progressive AS, arsenic trioxide (ATO) has been used to coat vascular stents. However, the effect of ATO on autophagy of macrophages is still unknown. Therefore, the aims of this study were to characterize the effects and the mechanism of actions of ATO on autophagy in macrophages. Our results showed that ATO-induced activation of autophagy was an earlier event than ATO-induced inhibition of the expression of apoptosis markers in macrophages and foam cells. Nuclear transcription factor EB (TFEB) prevents atherosclerosis by activating macrophage autophagy and promoting lysosomal biogenesis. Here, we report that ATO triggered the nuclear translocation of TFEB, which in turn promoted autophagy and autophagosome-lysosome fusion. Both the latter events were prevented by TFEB knockdown. Moreover, ATO decreased the p-AKT and p-mTOR in the PI3K/AKT/mTOR signaling pathway, thus inducing autophagy. Correspondingly, treatment with the autophagy inhibitor 3-methyladenine (3-MA) abolished the autophagy-inducing effects of ATO. Meanwhile, PI3K inhibitor (LY294002) and mTOR inhibitor (rapamycin) cooperated with ATO to induce autophagy. Furthermore, reactive oxygen species (ROS) were generated in macrophages after treatment with ATO. The ROS scavenger N-acetyl-1-cysteine (NAC) abolished ATO-induced nuclear translocation of TFEB, as well as changes in key molecules of the AKT/mTOR signaling pathway and downstream autophagy. More importantly, ATO promoted autophagy in the aorta of ApoE-/- mice and reduced atherosclerotic lesions in early AS, which were reversed by 3-MA treatment. In summary, our data indicated that ATO promoted ROS induction, which resulted in nuclear translocation of TFEB and inhibition of the PI3K/AKT/mTOR pathway. These actions ultimately promoted macrophage autophagy and reduced atherosclerotic lesions at early stages. These findings may provide a new perspective for the clinical treatment of early-stage atherosclerosis and should be further studied.
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Affiliation(s)
- Shaohong Fang
- Department of Cardiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China
| | - Xin Wan
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China
- Department of Neurobiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Xiaoyi Zou
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China
- Department of Neurobiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Song Sun
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China
- Department of Neurobiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Xinran Hao
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China
- Department of Neurobiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Chenchen Liang
- Department of Cardiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China
| | - Zhenming Zhang
- Department of Cardiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China
| | - Fangni Zhang
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China
- Department of Neurobiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Bo Sun
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China
- Department of Neurobiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Hulun Li
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China.
- Department of Neurobiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China.
| | - Bo Yu
- Department of Cardiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China.
- The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin, Heilongjiang, China.
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Li Y, Li M, Wang X, Wang Y, Li C, Zhao Y, Li Z, Chen J, Li J, Ren K, Duan X, Ren J, Han X, Li Q. Arsenic trioxide-eluting electrospun nanofiber-covered self-expandable metallic stent reduces granulation tissue hyperplasia in rabbit trachea. ACTA ACUST UNITED AC 2020; 16:015013. [PMID: 33325379 DOI: 10.1088/1748-605x/abb25a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Stent-related granulation tissue hyperplasia is a major complication that limits the application of stents in airways. In this study, an arsenic trioxide-eluting electrospun nanofiber-covered self-expandable metallic stent (ATO-NFCS) was developed. Poly-L-lactide-caprolactone (PLCL) was selected as the drug-carrying polymer. Stents with two different ATO contents (0.4% ATO/PLCL and 1.2% ATO/PLCL) were fabricated. The in vitro release in simulated airway fluid suggested that the total ATO release time was 1 d. The growth of human embryonic pulmonary fibroblasts (CCC-HPF-1), normal human bronchial epithelial cells and airway smooth muscle cells was inhibited by ATO. When embedded in paravertebral muscle, the nanofiber membrane showed good short-term and long-term biological effects. In an animal study, placement of the ATO-NFCS in the trachea through a delivery system under fluoroscopy was feasible. The changes in liver and kidney function 1 and 7 d after ATO-NFCS placement were within the normal range. On pathological examination, the heart, liver, spleen, lungs and kidneys were normal. The effectiveness of the ATO-NFCS in reducing granulation tissue hyperplasia and collagen deposition was demonstrated in the rabbit airway (n = 18) at 4 weeks. The present study preliminarily investigated the efficacy of the ATO-NFCS in reducing granulation tissue formation in the trachea of rabbits. The results suggest that the ATO-NFCS is safe in vivo, easy to place, and effective for the suppression of granulation tissue formation.
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Affiliation(s)
- Yahua Li
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China. Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, Henan, People's Republic of China. These authors contributed equally to this work
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9
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Zhao Y, Zang G, Yin T, Ma X, Zhou L, Wu L, Daniel R, Wang Y, Qiu J, Wang G. A novel mechanism of inhibiting in-stent restenosis with arsenic trioxide drug-eluting stent: Enhancing contractile phenotype of vascular smooth muscle cells via YAP pathway. Bioact Mater 2020; 6:375-385. [PMID: 32954055 PMCID: PMC7484501 DOI: 10.1016/j.bioactmat.2020.08.018] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 08/13/2020] [Accepted: 08/23/2020] [Indexed: 12/18/2022] Open
Abstract
Objective Arsenic trioxide (ATO or As2O3) has beneficial effects on suppressing neointimal hyperplasia and restenosis, but the mechanism is still unclear. The goal of this study is to further understand the mechanism of ATO's inhibitory effect on vascular smooth muscle cells (VSMCs). Methods and results Through in vitro cell culture and in vivo stent implanting into the carotid arteries of rabbit, a synthetic-to-contractile phenotypic transition was induced and the proliferation of VSMCs was inhibited by ATO. F-actin filaments were clustered and the elasticity modulus was increased within the phenotypic modulation of VSMCs induced by ATO in vitro. Meanwhile, Yes-associated protein (YAP) nuclear translocation was inhibited by ATO both in vivo and in vitro. It was found that ROCK inhibitor or YAP inactivator could partially mask the phenotype modulation of ATO on VSMCs. Conclusions The interaction of YAP with the ROCK pathway through ATO seems to mediate the contractile phenotype of VSMCs. This provides an indication of the clinical therapeutic mechanism for the beneficial bioactive effect of ATO-drug eluting stent (AES) on in-stent restenosis (ISR).
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Affiliation(s)
- Yinping Zhao
- Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing, 400016, China.,Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Guangchao Zang
- Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing, 400016, China
| | - Tieying Yin
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Xiaoyi Ma
- Beijing Amsinomed Medical Co., Ltd, Beijing, 100021, China
| | - Lifeng Zhou
- Beijing Amsinomed Medical Co., Ltd, Beijing, 100021, China
| | - Lingjuan Wu
- Medical School, Newcastle University, Newcastle Upon Tyne, NE2 4AX, UK
| | - Richard Daniel
- Medical School, Newcastle University, Newcastle Upon Tyne, NE2 4AX, UK
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China
| | - Juhui Qiu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
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10
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Zhao J, Feng Y. Surface Engineering of Cardiovascular Devices for Improved Hemocompatibility and Rapid Endothelialization. Adv Healthc Mater 2020; 9:e2000920. [PMID: 32833323 DOI: 10.1002/adhm.202000920] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/18/2020] [Indexed: 12/13/2022]
Abstract
Cardiovascular devices have been widely applied in the clinical treatment of cardiovascular diseases. However, poor hemocompatibility and slow endothelialization on their surface still exist. Numerous surface engineering strategies have mainly sought to modify the device surface through physical, chemical, and biological approaches to improve surface hemocompatibility and endothelialization. The alteration of physical characteristics and pattern topographies brings some hopeful outcomes and plays a notable role in this respect. The chemical and biological approaches can provide potential signs of success in the endothelialization of vascular device surfaces. They usually involve therapeutic drugs, specific peptides, adhesive proteins, antibodies, growth factors and nitric oxide (NO) donors. The gene engineering can enhance the proliferation, growth, and migration of vascular cells, thus boosting the endothelialization. In this review, the surface engineering strategies are highlighted and summarized to improve hemocompatibility and rapid endothelialization on the cardiovascular devices. The potential outlook is also briefly discussed to help guide endothelialization strategies and inspire further innovations. It is hoped that this review can assist with the surface engineering of cardiovascular devices and promote future advancements in this emerging research field.
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Affiliation(s)
- Jing Zhao
- School of Chemical Engineering and Technology Tianjin University Yaguan Road 135 Tianjin 300350 P. R. China
| | - Yakai Feng
- School of Chemical Engineering and Technology Tianjin University Yaguan Road 135 Tianjin 300350 P. R. China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin) Yaguan Road 135 Tianjin 300350 P. R. China
- Key Laboratory of Systems Bioengineering (Ministry of Education) Tianjin University Tianjin 300072 P. R. China
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11
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Wang D, Xu Y, Wang L, Wang X, Ren C, Zhang B, Li Q, Thomson JA, Turng LS. Expanded Poly(tetrafluoroethylene) Blood Vessel Grafts with Embedded Reactive Oxygen Species (ROS)-Responsive Antithrombogenic Drug for Elimination of Thrombosis. ACS Appl Mater Interfaces 2020; 12:29844-29853. [PMID: 32496045 DOI: 10.1021/acsami.0c07868] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Treatment of cardiovascular diseases suffers from the lack of transplantable small-diameter blood vessel (SDBV) grafts that can prohibit/eliminate thrombosis. Although expanded poly(tetrafluoroethylene) (ePTFE) has the potential to be used for SDBV grafts, recurrence of thrombus remains the biggest challenge. In this study, a reactive oxygen species (ROS)-responsive antithrombogenic drug synthesis and a bulk coating process were employed to fabricate functional ePTFE grafts capable of prohibiting/eliminating blood clots. The synthesized drug that would release antiplatelet ethyl salicylate (ESA), in responding to ROS, was dissolved in a polycaprolactone (PCL) solution, followed by a bulk coating of the as-fabricated ePTFE grafts with the PCL/drug solution. Nuclear magnetic resonance (NMR) spectroscopy, Fourier-transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and atomic force microscopy (AFM) were employed to investigate and confirm the synthesis and presence of the ROS-responsive drug in the ePTFE grafts. The ESA release functions were demonstrated via the drug-release profile and dynamic anticoagulation tests. The biocompatibility of the ROS-responsive ePTFE grafts was demonstrated via lactate dehydrogenase (LDH) cytotoxicity assays, live and dead cell assays, cell morphology, and cell-graft interactions. The ROS-responsive, antithrombogenic ePTFE grafts provide a feasible way for maintaining long-term patency, potentially solving a critical challenge in SDBV applications.
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Affiliation(s)
- Dongfang Wang
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
- Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
| | - Yiyang Xu
- Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
| | - Lixia Wang
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Xiaofeng Wang
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Cuihong Ren
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Bo Zhang
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Qian Li
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - James A Thomson
- Morgridge Institute for Research, University of Wisconsin-Madison, Wisconsin 53715, United States
| | - Lih-Sheng Turng
- Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
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Li JA, Chen L, Zhang XQ, Guan SK. Enhancing biocompatibility and corrosion resistance of biodegradable Mg-Zn-Y-Nd alloy by preparing PDA/HA coating for potential application of cardiovascular biomaterials. Mater Sci Eng C Mater Biol Appl 2019; 109:110607. [PMID: 32228927 DOI: 10.1016/j.msec.2019.110607] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 12/20/2019] [Accepted: 12/26/2019] [Indexed: 12/27/2022]
Abstract
In this paper the poly-dopamine (PDA)/hyaluronic acid (HA) coatings with different HA molecular weight (MW, 4 × 103, 1 × 105, 5 × 105 and 1 × 106 Da) were prepared onto the NaOH passivated Mg-Zn-Y-Nd alloy aiming at potential application of cardiovascular implants. The characterization of weight loss, polarization curves and surface morphology indicated that the coatings with HA MW of 1 × 105 (PDA/HA-2) and 1 × 106 Da (PDA/HA-4) significantly enhanced the corrosion resistance of Mg-Zn-Y-Nd. In vitro biological test also suggested better hemocompatibility, pro-endothelialization, anti-hyperplasia and anti-inflammation functions of the PDA/HA-2- and PDA/HA-4-coated Mg-Zn-Y-Nd alloy. Nevertheless, the in vivo implantation of SD rats' celiac artery demonstrated that the PDA/HA-2 had preferable corrosion resistance and biocompatibility.
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Affiliation(s)
- Jing-An Li
- School of Materials Science and Engineering & Henan Key Laboratory of Advanced Magnesium Alloy & Key Laboratory of Materials Processing and Mold Technology (Ministry of Education), Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China.
| | - Li Chen
- School of Materials Science and Engineering & Henan Key Laboratory of Advanced Magnesium Alloy & Key Laboratory of Materials Processing and Mold Technology (Ministry of Education), Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Xue-Qi Zhang
- School of Materials Science and Engineering & Henan Key Laboratory of Advanced Magnesium Alloy & Key Laboratory of Materials Processing and Mold Technology (Ministry of Education), Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Shao-Kang Guan
- School of Materials Science and Engineering & Henan Key Laboratory of Advanced Magnesium Alloy & Key Laboratory of Materials Processing and Mold Technology (Ministry of Education), Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China.
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Nurhidayah D, Maruf A, Zhang X, Liao X, Wu W, Wang G. Advanced drug-delivery systems: mechanoresponsive nanoplatforms applicable in atherosclerosis management. Nanomedicine (Lond) 2019; 14:3105-3122. [PMID: 31823682 DOI: 10.2217/nnm-2019-0172] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Nanoplatforms have been used extensively as advanced carriers to enhance the effectiveness of drug delivery, mostly through passive aggregation provided by the enhanced permeability and retention effect. Mechanical stimuli provide a robust strategy to bolster drug delivery performance by increasing the accumulation of nanoplatforms at the lesion sites, facilitating on-demand cargo release and providing theranostic aims. In this review, we focus on recent advances of mechanoresponsive nanoplatforms that can accomplish targeted drug delivery, and subsequent drug release, under specific stimuli, either endogenous (shear stress) or exogenous (magnetic field and ultrasound), to synergistically combat atherosclerosis at the molecular level.
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Affiliation(s)
- Deti Nurhidayah
- Key Laboratory for Biorheological Science & Technology of Ministry of Education, State & Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Ali Maruf
- Key Laboratory for Biorheological Science & Technology of Ministry of Education, State & Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Xiaojuan Zhang
- Key Laboratory for Biorheological Science & Technology of Ministry of Education, State & Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Xiaoling Liao
- Chongqing Engineering Laboratory of Nano/Micro Biological Medicine Detection Technology, Chongqing University of Science & Technology, Chongqing 401331, China
| | - Wei Wu
- Key Laboratory for Biorheological Science & Technology of Ministry of Education, State & Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science & Technology of Ministry of Education, State & Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
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14
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Maruf A, Wang Y, Yin T, Huang J, Wang N, Durkan C, Tan Y, Wu W, Wang G. Atherosclerosis Treatment with Stimuli-Responsive Nanoagents: Recent Advances and Future Perspectives. Adv Healthc Mater 2019; 8:e1900036. [PMID: 30945462 DOI: 10.1002/adhm.201900036] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 03/06/2019] [Indexed: 01/04/2023]
Abstract
Atherosclerosis is the root of approximately one-third of global mortalities. Nanotechnology exhibits splendid prospects to combat atherosclerosis at the molecular level by engineering smart nanoagents with versatile functionalizations. Significant advances in nanoengineering enable nanoagents to autonomously navigate in the bloodstream, escape from biological barriers, and assemble with their nanocohort at the targeted lesion. The assembly of nanoagents with endogenous and exogenous stimuli breaks down their shells, facilitates intracellular delivery, releases their cargo to kill the corrupt cells, and gives imaging reports. All these improvements pave the way toward personalized medicine for atherosclerosis. This review systematically summarizes the recent advances in stimuli-responsive nanoagents for atherosclerosis management and its progress in clinical trials.
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Affiliation(s)
- Ali Maruf
- Key Laboratory for Biorheological Science and Technology of Ministry of EducationState and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing University Chongqing 400030 China
| | - Yi Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of EducationState and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing University Chongqing 400030 China
| | - Tieyin Yin
- Key Laboratory for Biorheological Science and Technology of Ministry of EducationState and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing University Chongqing 400030 China
| | - Junli Huang
- Key Laboratory for Biorheological Science and Technology of Ministry of EducationState and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing University Chongqing 400030 China
| | - Nan Wang
- The Nanoscience CentreUniversity of Cambridge Cambridge CB3 0FF UK
| | - Colm Durkan
- The Nanoscience CentreUniversity of Cambridge Cambridge CB3 0FF UK
| | - Youhua Tan
- Department of Biomedical EngineeringThe Hong Kong Polytechnic University Hong Kong SAR 999077 China
| | - Wei Wu
- Key Laboratory for Biorheological Science and Technology of Ministry of EducationState and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing University Chongqing 400030 China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of EducationState and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing University Chongqing 400030 China
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Hou R, Wu L, Wang J, Yang Z, Tu Q, Zhang X, Huang N. Surface-Degradable Drug-Eluting Stent with Anticoagulation, Antiproliferation, and Endothelialization Functions. Biomolecules 2019; 9:biom9020069. [PMID: 30781704 PMCID: PMC6406385 DOI: 10.3390/biom9020069] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 01/29/2019] [Accepted: 02/06/2019] [Indexed: 12/19/2022] Open
Abstract
Drug-eluting stents (DES) have been widely applied for saving the life of patients with coronary artery diseases (CADs). However, conventional polymers such as polylactic acid (PLA) and poly (lactic-co-glycolic acid) (PLGA), which are widely applied for drug-eluting stents studies, have serious bulk erosion problems, like high local acidity and poor mechanical properties. Instead, we chose surface erosion polymer poly (1, 3-trimethylene carbonate) (PTMC) as a drug carrier in this study. Here, we fabricated and characterized a novel durable-polymer drug-eluting 316 L stainless steel (SS) stent, in which the inner surface was coated with a Ti–O film using the magnetron sputtering method to promote the growth of endothelial cells (ECs). On the outer layer of the stent, first, a Ti–O film was deposited and, then, on top of it a rapamycin-loaded PTMC coat was deposited using the ultrasonic atomization spray method. This dual coating inhibited the migration and expansion of smooth muscle cells (SMCs). The drug coating also inhibited the adhesion/activation of platelets. In tests on dogs, it was found the novel stent promoted re-endothelialization and reduced restenosis, in contrast to the plain SS stent. Thus, the novel stent may have promise for use in treating patients with CAD.
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Affiliation(s)
- Ruixia Hou
- Department of Anatomy and Histology and Embryology, Medical School of Ningbo University, Ningbo 315211, China.
- Key Laboratory of Advanced Technology of Materials of Education Ministry, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Leigang Wu
- Key Laboratory of Advanced Technology of Materials of Education Ministry, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Jin Wang
- Key Laboratory of Advanced Technology of Materials of Education Ministry, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Zhilu Yang
- Key Laboratory of Advanced Technology of Materials of Education Ministry, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Qiufen Tu
- Key Laboratory of Advanced Technology of Materials of Education Ministry, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Xingcai Zhang
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.
| | - Nan Huang
- Key Laboratory of Advanced Technology of Materials of Education Ministry, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
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