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Hua X, Wei X. Liver X receptors: From pharmacology to nanoparticle-based drug delivery. Eur J Pharmacol 2023; 956:175953. [PMID: 37541371 DOI: 10.1016/j.ejphar.2023.175953] [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: 04/04/2023] [Revised: 07/25/2023] [Accepted: 08/01/2023] [Indexed: 08/06/2023]
Abstract
Liver X receptors (LXRs) are master regulators of various biological processes, including metabolism, inflammation, development, and reproduction. As well-known nuclear oxysterol receptors of the nuclear receptor (NR) family, LXRs have two homologous subtypes, LXRα (NR1H3) and LXRβ (NR1H2). Since the mid-1990s, numerous LXR-targeted drugs have been designed to treat diseases such as atherosclerosis, systemic lupus erythematosus, and cancer. These modulators include agonists and antagonists, and the selectivity of them have been development from diverse aspects, including subtype-specific, cell-specific, tissue-specific types. Meanwhile, advanced delivery systems are also exploreed to facilitate the application of LXR drugs in clinical setting. One of the most promising delivery systems involves the use of nanoparticles and is expected to increase the clinical potential of LXR modulators. This review discusses our current understanding of LXR biology and pharmacology, focusing on the development of modulators for LXRα and/or LXRβ, and the nanoparticle-based delivery systems for promising LXR modulators with potential for use as drugs.
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Affiliation(s)
- Xiaofen Hua
- Department of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, James Clerk Maxwell Building, 57 Waterloo Road, London, SE1 8WA, UK
| | - Xiduan Wei
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, China.
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2
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Rani A, Marsche G. A Current Update on the Role of HDL-Based Nanomedicine in Targeting Macrophages in Cardiovascular Disease. Pharmaceutics 2023; 15:1504. [PMID: 37242746 PMCID: PMC10221824 DOI: 10.3390/pharmaceutics15051504] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
High-density lipoproteins (HDL) are complex endogenous nanoparticles involved in important functions such as reverse cholesterol transport and immunomodulatory activities, ensuring metabolic homeostasis and vascular health. The ability of HDL to interact with a plethora of immune cells and structural cells places it in the center of numerous disease pathophysiologies. However, inflammatory dysregulation can lead to pathogenic remodeling and post-translational modification of HDL, rendering HDL dysfunctional or even pro-inflammatory. Monocytes and macrophages play a critical role in mediating vascular inflammation, such as in coronary artery disease (CAD). The fact that HDL nanoparticles have potent anti-inflammatory effects on mononuclear phagocytes has opened new avenues for the development of nanotherapeutics to restore vascular integrity. HDL infusion therapies are being developed to improve the physiological functions of HDL and to quantitatively restore or increase the native HDL pool. The components and design of HDL-based nanoparticles have evolved significantly since their initial introduction with highly anticipated results in an ongoing phase III clinical trial in subjects with acute coronary syndrome. The understanding of mechanisms involved in HDL-based synthetic nanotherapeutics is critical to their design, therapeutic potential and effectiveness. In this review, we provide a current update on HDL-ApoA-I mimetic nanotherapeutics, highlighting the scope of treating vascular diseases by targeting monocytes and macrophages.
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Affiliation(s)
- Alankrita Rani
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Neue Stiftingtalstrasse 6, 8010 Graz, Austria;
- BioTechMed-Graz, Mozartgasse 12/II, 8010 Graz, Austria
| | - Gunther Marsche
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Neue Stiftingtalstrasse 6, 8010 Graz, Austria;
- BioTechMed-Graz, Mozartgasse 12/II, 8010 Graz, Austria
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3
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Thakur R, Suri CR, Kaur IP, Rishi P. Review. Crit Rev Ther Drug Carrier Syst 2022; 40:49-100. [DOI: 10.1615/critrevtherdrugcarriersyst.2022040322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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4
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HDL and Therapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1377:171-187. [DOI: 10.1007/978-981-19-1592-5_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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5
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B Uribe K, Benito-Vicente A, Martin C, Blanco-Vaca F, Rotllan N. (r)HDL in theranostics: how do we apply HDL's biology for precision medicine in atherosclerosis management? Biomater Sci 2021; 9:3185-3208. [PMID: 33949389 DOI: 10.1039/d0bm01838d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
High-density lipoproteins (HDL) are key players in cholesterol metabolism homeostasis since they are responsible for transporting excess cholesterol from peripheral tissues to the liver. Imbalance in this process, due to either excessive accumulation or impaired clearance, results in net cholesterol accumulation and increases the risk of cardiovascular disease (CVD). Therefore, significant effort has been focused on the development of therapeutic tools capable of either directly or indirectly enhancing HDL-guided reverse cholesterol transport (RCT). More recently, in light of the emergence of precision nanomedicine, there has been renewed research interest in attempting to take advantage of the development of advanced recombinant HDL (rHDL) for both therapeutic and diagnostic purposes. In this review, we provide an update on the different approaches that have been developed using rHDL, focusing on the rHDL production methodology and rHDL applications in theranostics. We also compile a series of examples highlighting potential future perspectives in the field.
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Affiliation(s)
- Kepa B Uribe
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramon 182, 20014, Donostia San Sebastián, Spain.
| | - Asier Benito-Vicente
- Instituto Biofisika (UPV/EHU, CSIC) and Departamento de Bioquímica, Universidad del País Vasco, Apdo.644, 48080 Bilbao, Spain.
| | - Cesar Martin
- Instituto Biofisika (UPV/EHU, CSIC) and Departamento de Bioquímica, Universidad del País Vasco, Apdo.644, 48080 Bilbao, Spain.
| | - Francisco Blanco-Vaca
- Servei de Bioquímica, Hospital Santa Creu i Sant Pau-Institut d'Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain. and CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona, Spain and Departament de Bioquímica i Biología Molecular, Universitat Autònoma de Barcelona, Spain and Institut de Recerca de l'Hospital Santa Creu i Sant Pau-Institut d'Investigacions Biomèdiques (IIB) Sant Pau, 08025 Barcelona, Spain.
| | - Noemi Rotllan
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona, Spain and Institut de Recerca de l'Hospital Santa Creu i Sant Pau-Institut d'Investigacions Biomèdiques (IIB) Sant Pau, 08025 Barcelona, Spain.
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6
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Wolska A, Reimund M, Sviridov DO, Amar MJ, Remaley AT. Apolipoprotein Mimetic Peptides: Potential New Therapies for Cardiovascular Diseases. Cells 2021; 10:597. [PMID: 33800446 PMCID: PMC8000854 DOI: 10.3390/cells10030597] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/01/2021] [Accepted: 03/02/2021] [Indexed: 12/13/2022] Open
Abstract
Since the seminal breakthrough of treating diabetic patients with insulin in the 1920s, there has been great interest in developing other proteins and their peptide mimetics as therapies for a wide variety of other medical disorders. Currently, there are at least 60 different peptides that have been approved for human use and over 150 peptides that are in various stages of clinical development. Peptides mimetic of the major proteins on lipoproteins, namely apolipoproteins, have also been developed first as tools for understanding apolipoprotein structure and more recently as potential therapeutics. In this review, we discuss the biochemistry, peptide mimetics design and clinical trials for peptides based on apoA-I, apoE and apoC-II. We primarily focus on applications of peptide mimetics related to cardiovascular diseases. We conclude with a discussion on the limitations of peptides as therapeutic agents and the challenges that need to be overcome before apolipoprotein mimetic peptides can be developed into new drugs.
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Affiliation(s)
- Anna Wolska
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA; (M.R.); (D.O.S.); (M.J.A.); (A.T.R.)
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7
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Yuan W, Yu B, Yu M, Kuai R, Morin EE, Wang H, Hu D, Zhang J, Moon JJ, Chen YE, Guo Y, Schwendeman A. Synthetic high-density lipoproteins delivering liver X receptor agonist prevent atherogenesis by enhancing reverse cholesterol transport. J Control Release 2021; 329:361-371. [PMID: 33188828 DOI: 10.1016/j.jconrel.2020.11.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 10/22/2020] [Accepted: 11/08/2020] [Indexed: 12/14/2022]
Abstract
Liver X nuclear receptor (LXR) agonists are promising anti-atherosclerotic agents that increase the expression of cholesterol transporters on atheroma macrophages leading to increased efflux of cholesterol to endogenous high-density lipoprotein (HDL) acceptors. HDL subsequently delivers effluxed cholesterol to the liver by the process of reverse cholesterol transport, resulting in reduction of atherosclerotic plaques. However, LXR agonists administration triggers undesirable liver steatosis and hypertriglyceridemia due to increased fatty acid and sterol synthesis. LXR-induced liver toxicity, poor drug aqueous solubility and low levels of endogenous HDL acceptors in target patient populations limit the clinical translation of LXR agonists. Here, we propose a dual-antiatherogenic strategy for administration of the LXR agonist, T0901317 (T1317), by encapsulating in synthetic HDL (sHDL) nanoparticles. sHDL had been clinically proven to serve as cholesterol acceptors, resulting in plaque reduction in atherosclerosis patients. In addition, the hydrophobic core and endogenous atheroma-targeting ability of sHDL allow for encapsulation of water-insoluble drugs and their subsequent delivery to atheroma. Several compositions of sHDL were tested to optimize both T1317 encapsulation efficiency and ability of T1317-sHDL to efflux cholesterol. Optimized T1317-sHDL exhibited more efficient cholesterol efflux from macrophages and enhanced atheroma-targeting relative to free drug. Most importantly, in an apolipoprotein E deficient (ApoE-/-) atherosclerosis progression murine model, T1317-sHDL showed superior inhibition of atherogenesis and reduced hypertriglyceridemia side effects in comparison to the free drug and blank sHDL. The T1317-sHDL pharmacological efficacy was observed at doses lower than those previously described for LXR agents, which may have additional safety benefits. In addition, the established clinical manufacturing, safety and efficacy of blank sHDL nanoparticles used in this study could facilitate future clinical translation of LXR-loaded sHDLs.
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Affiliation(s)
- Wenmin Yuan
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States
| | - Bilian Yu
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States; Department of Cardiovascular medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Minzhi Yu
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States
| | - Rui Kuai
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States; School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Emily E Morin
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States
| | - Huilun Wang
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States
| | - Die Hu
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States
| | - Jifeng Zhang
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States
| | - James J Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, United States; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Y Eugene Chen
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States
| | - Yanhong Guo
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States.
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, United States.
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8
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Shiomi M. The History of the WHHL Rabbit, an Animal Model of Familial Hypercholesterolemia (II) - Contribution to the Development and Validation of the Therapeutics for Hypercholesterolemia and Atherosclerosis. J Atheroscler Thromb 2019; 27:119-131. [PMID: 31748470 PMCID: PMC7049474 DOI: 10.5551/jat.rv17038-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
A number of effective drugs have been developed through animal experiments, contributing to the health of many patients. In particular, the WHHL rabbit family (WHHL rabbits and its advanced strains (coronary atherosclerosis-prone WHHL-CA rabbits and myocardial infarction-prone WHHLMI rabbits) developed at Kobe University (Kobe, Japan) contributed greatly in the development of cholesterol-lowering agents. The WHHL rabbit family is animal models for human familial hypercholesterolemia, coronary atherosclerosis, and coronary heart disease. At the end of breeding of the WHHL rabbit family, this review summarizes the contribution of the WHHL rabbit family to the development of lipid-lowering agents and anti-atherosclerosis agents. Studies using the WHHL rabbit family demonstrated, for the first time in the world, that lowering serum cholesterol levels or preventing LDL oxidation can suppress the progression and destabilization of coronary lesions. In addition, the WHHL rabbit family contributed to the development of various compounds that exhibit lipid-lowering and anti-atherosclerotic effects and has also been used in studies of gene therapeutics. Furthermore, this review also discusses the causes of the increased discrepancy in drug development between the results of animal experiments and clinical studies, which became a problem in recent years, and addresses the importance of the selection of appropriate animal models used in studies in addition to an appropriate study design.
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Affiliation(s)
- Masashi Shiomi
- Institute for Experimental Animals, Kobe University Graduate School of Medicine
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9
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Suematsu Y, Kawachi E, Idemoto Y, Matsuo Y, Kuwano T, Kitajima K, Imaizumi S, Kawamura A, Saku K, Uehara Y, Miura SI. Anti-atherosclerotic effects of an improved apolipoprotein A-I mimetic peptide. Int J Cardiol 2019; 297:111-117. [PMID: 31519377 DOI: 10.1016/j.ijcard.2019.08.043] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 08/01/2019] [Accepted: 08/20/2019] [Indexed: 01/23/2023]
Abstract
BACKGROUND Apolipoprotein (Apo)A-I is a major protein component of high-density lipoprotein (HDL) that causes cholesterol efflux from peripheral cells through ATP-binding cassette transporter A1 (ABCA1) and the generation of HDL. Furthermore, it has a possible protective function against atherosclerotic cardiovascular disease (ASCVD). We previously developed a novel ApoA-I mimetic peptide without phospholipids (Fukuoka University ApoA-I Mimetic Peptide, FAMP). According to our previous studies, FAMP had an anti-arteriosclerotic effect. Since the required dose and reaction time of conventional FAMP were relatively large and short, respectively, we newly developed an improved FAMP (i-FAMP). METHODS AND RESULTS We synthesized four candidate i-FAMPs, i-FAMP-D1, -D2, -D3 and -D4, and examined which i-FAMP has greater cholesterol efflux capacity than FAMP in A172 human glioblastoma cells transiently transfected with human ABCA1 cDNA. Only i-FAMP-D1 showed significantly greater cholesterol efflux capacity than conventional FAMP. i-FAMP-D1 formed stronger α-helical conformations than FAMP as assessed by circular dichroism spectra. Thus, we selected i-FAMP-D1 for further experiments. i-FAMP-D1 had a greater atheroprotective effect than FAMP in ApoE knockout mice. In addition, i-FAMP-D1 activated cholesterol efflux from macrophage to HDL more strongly than FAMP and increased cholesterol excretion from liver to feces. CONCLUSION These results suggest that i-FAMP-D1 has a stronger anti-atherosclerotic effect than conventional FAMP.
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Affiliation(s)
- Yasunori Suematsu
- Department of Cardiology, Fukuoka University School of Medicine, Japan
| | - Emi Kawachi
- Clinical Research and Ethics Center, Fukuoka University School of Medicine, Japan
| | - Yoshiaki Idemoto
- Department of Cardiology, Fukuoka University School of Medicine, Japan
| | - Yoshino Matsuo
- Department of Cardiology, Fukuoka University School of Medicine, Japan
| | - Takashi Kuwano
- Department of Cardiology, Fukuoka University School of Medicine, Japan
| | - Ken Kitajima
- Department of Cardiology, Fukuoka University School of Medicine, Japan
| | - Satoshi Imaizumi
- Clinical Research and Ethics Center, Fukuoka University School of Medicine, Japan
| | - Akira Kawamura
- Center for Graduate Clinical Practice, Fukuoka University Hospital, Fukuoka, Japan
| | - Keijiro Saku
- General Medical Research Center, Fukuoka University School of Medicine, Japan
| | - Yoshinari Uehara
- Graduate School of Sports and Health Sciences, Fukuoka University, Fukuoka, Japan.
| | - Shin-Ichiro Miura
- Department of Cardiology, Fukuoka University School of Medicine, Japan.
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10
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Pirillo A, Catapano AL, Norata GD. Biological Consequences of Dysfunctional HDL. Curr Med Chem 2019; 26:1644-1664. [PMID: 29848265 DOI: 10.2174/0929867325666180530110543] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 12/25/2017] [Accepted: 12/27/2017] [Indexed: 12/31/2022]
Abstract
Epidemiological studies have suggested an inverse correlation between high-density lipoprotein (HDL) cholesterol levels and the risk of cardiovascular disease. HDLs promote reverse cholesterol transport (RCT) and possess several putative atheroprotective functions, associated to the anti-inflammatory, anti-thrombotic and anti-oxidant properties as well as to the ability to support endothelial physiology. The assumption that increasing HDL-C levels would be beneficial on cardiovascular disease (CVD), however, has been questioned as, in most clinical trials, HDL-C-raising therapies did not result in improved cardiovascular outcomes. These findings, together with the observations from Mendelian randomization studies showing that polymorphisms mainly or solely associated with increased HDL-C levels did not decrease the risk of myocardial infarction, shift the focus from HDL-C levels toward HDL functional properties. Indeed, HDL from atherosclerotic patients not only exhibit impaired atheroprotective functions but also acquire pro-atherogenic properties and are referred to as "dysfunctional" HDL; this occurs even in the presence of normal or elevated HDL-C levels. Pharmacological approaches aimed at restoring HDL functions may therefore impact more significantly on CVD outcome than drugs used so far to increase HDL-C levels. The aim of this review is to discuss the pathological conditions leading to the formation of dysfunctional HDL and their role in atherosclerosis and beyond.
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Affiliation(s)
- Angela Pirillo
- Center for the Study of Atherosclerosis, Bassini Hospital, Cinisello Balsamo, Italy.,IRCCS Multimedica, Milan, Italy
| | - Alberico Luigi Catapano
- IRCCS Multimedica, Milan, Italy.,Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Giuseppe Danilo Norata
- Center for the Study of Atherosclerosis, Bassini Hospital, Cinisello Balsamo, Italy.,Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy.,School of Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia
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11
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Kawahara H, Miyashita N, Tachibana K, Tsuda Y, Morimoto K, Tsuji K, Shigenaga A, Otaka A, Ishida T, Okuhira K. A Photo-Activatable Peptide Mimicking Functions of Apolipoprotein A-I. Biol Pharm Bull 2019; 42:1019-1024. [DOI: 10.1248/bpb.b19-00114] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Haruka Kawahara
- Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Naoki Miyashita
- Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Koki Tachibana
- Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Yusuke Tsuda
- Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Kyohei Morimoto
- Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Kohei Tsuji
- Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Akira Shigenaga
- Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Akira Otaka
- Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Tatsuhiro Ishida
- Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Keiichiro Okuhira
- Institute of Biomedical Sciences, Tokushima University Graduate School
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12
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Yu XH, Zhang DW, Zheng XL, Tang CK. Cholesterol transport system: An integrated cholesterol transport model involved in atherosclerosis. Prog Lipid Res 2018; 73:65-91. [PMID: 30528667 DOI: 10.1016/j.plipres.2018.12.002] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 10/30/2018] [Accepted: 12/01/2018] [Indexed: 02/07/2023]
Abstract
Atherosclerosis, the pathological basis of most cardiovascular disease (CVD), is closely associated with cholesterol accumulation in the arterial intima. Excessive cholesterol is removed by the reverse cholesterol transport (RCT) pathway, representing a major antiatherogenic mechanism. In addition to the RCT, other pathways are required for maintaining the whole-body cholesterol homeostasis. Thus, we propose a working model of integrated cholesterol transport, termed the cholesterol transport system (CTS), to describe body cholesterol metabolism. The novel model not only involves the classical view of RCT but also contains other steps, such as cholesterol absorption in the small intestine, low-density lipoprotein uptake by the liver, and transintestinal cholesterol excretion. Extensive studies have shown that dysfunctional CTS is one of the major causes for hypercholesterolemia and atherosclerosis. Currently, several drugs are available to improve the CTS efficiently. There are also several therapeutic approaches that have entered into clinical trials and shown considerable promise for decreasing the risk of CVD. In recent years, a variety of novel findings reveal the molecular mechanisms for the CTS and its role in the development of atherosclerosis, thereby providing novel insights into the understanding of whole-body cholesterol transport and metabolism. In this review, we summarize the latest advances in this area with an emphasis on the therapeutic potential of targeting the CTS in CVD patients.
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Affiliation(s)
- Xiao-Hua Yu
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan 421001, China
| | - Da-Wei Zhang
- Department of Pediatrics and Group on the Molecular and Cell Biology of Lipids, University of Alberta, Alberta, Canada
| | - Xi-Long Zheng
- Department of Biochemistry and Molecular Biology, Libin Cardiovascular Institute of Alberta, Cumming School of Medicine, University of Calgary, Health Sciences Center, 3330 Hospital Dr NW, Calgary, Alberta T2N 4N1, Canada
| | - Chao-Ke Tang
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan 421001, China.
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13
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Karalis I, Jukema JW. HDL Mimetics Infusion and Regression of Atherosclerosis: Is It Still Considered a Valid Therapeutic Option? Curr Cardiol Rep 2018; 20:66. [PMID: 29926215 PMCID: PMC6010501 DOI: 10.1007/s11886-018-1004-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Purpose of Review This review aims to summarize and discuss the recent findings in the field of using HDL mimetics for the treatment of patients with coronary artery disease. Recent Findings Following the largely disappointing results with the cholesteryl ester transfer protein inhibitors, focus moved to HDL functionality rather than absolute HDL cholesterol values. A number of HDL/apoA-I mimicking molecules were developed, aiming to enhance reverse cholesterol transport that has been associated with an atheroprotective effect. Three HDL mimetics have made the step from bench-testing to clinical trials in humans and are discussed here: apoA-I Milano, CSL-112, and CER-001. Unfortunately, with the exception of CSL-112 where the results of the clinical trial are not yet known, none of the agents was able to demonstrate a clinical benefit. Summary HDL mimetics have failed to date to prove a beneficial effect in clinical practice. Reverse cholesterol transport remains a challenging therapeutic pathway to be explored.
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Affiliation(s)
- I Karalis
- Department of Cardiology C5-P, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Postbus 9600, 2300 RC, Leiden, The Netherlands
| | - J W Jukema
- Department of Cardiology C5-P, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Postbus 9600, 2300 RC, Leiden, The Netherlands.
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14
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Guo Y, Yuan W, Yu B, Kuai R, Hu W, Morin EE, Garcia-Barrio MT, Zhang J, Moon JJ, Schwendeman A, Eugene Chen Y. Synthetic High-Density Lipoprotein-Mediated Targeted Delivery of Liver X Receptors Agonist Promotes Atherosclerosis Regression. EBioMedicine 2018; 28:225-233. [PMID: 29361501 PMCID: PMC5835545 DOI: 10.1016/j.ebiom.2017.12.021] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 12/06/2017] [Accepted: 12/18/2017] [Indexed: 11/30/2022] Open
Abstract
Targeting at enhancing reverse cholesterol transport (RCT) is apromising strategy for treating atherosclerosis via infusion of reconstitute high density lipoprotein (HDL) as cholesterol acceptors or increase of cholesterol efflux by activation of macrophage liver X receptors (LXRs). However, systemic activation of LXRs triggers excessive lipogenesis in the liver and infusion of HDL downregulates cholesterol efflux from macrophages. Here we describe an enlightened strategy using phospholipid reconstituted apoA-I peptide (22A)-derived synthetic HDL (sHDL) to deliver LXR agonists to the atheroma and examine their effect on atherosclerosis regression in vivo. A synthetic LXR agonist, T0901317 (T1317) was encapsulated in sHDL nanoparticles (sHDL-T1317). Similar to the T1317 compound, the sHDL-T1317 nanoparticles upregulated the expression of ATP-binding cassette transporters and increased cholesterol efflux in macrophages in vitro and in vivo. The sHDL nanoparticles accumulated in the atherosclerotic plaques of ApoE-deficient mice. Moreover, a 6-week low-dose LXR agonist-sHDL treatment induced atherosclerosis regression while avoiding lipid accumulation in the liver. These findings identify LXR agonist loaded sHDL nanoparticles as a promising therapeutic approach to treat atherosclerosis by targeting RCT in a multifaceted manner: sHDL itself serving as both a drug carrier and cholesterol acceptor and the LXR agonist mediating upregulation of ABC transporters in the aorta.
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Affiliation(s)
- Yanhong Guo
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States.
| | - Wenmin Yuan
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States
| | - Bilian Yu
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States
| | - Rui Kuai
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States
| | - Wenting Hu
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States
| | - Emily E Morin
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States
| | | | - Jifeng Zhang
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States
| | - James J Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, United States; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, United States; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, United States.
| | - Y Eugene Chen
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States.
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15
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Li D, Fawaz MV, Morin EE, Sviridov D, Ackerman R, Olsen K, Remaley AT, Schwendeman A. Effect of Synthetic High Density Lipoproteins Modification with Polyethylene Glycol on Pharmacokinetics and Pharmacodynamics. Mol Pharm 2018; 15:83-96. [PMID: 29141139 PMCID: PMC6435036 DOI: 10.1021/acs.molpharmaceut.7b00734] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Synthetic high density lipoprotein nanoparticles (sHDLs) capable of mobilizing excess cholesterol from atherosclerotic arteries and delivering it to the liver for elimination have been shown to reduce plaque burden in patients. Unfortunately, sHDLs have a narrow therapeutic index and relative to the endogenous HDL shorter circulation half-life. Surface modification with polyethylene glycol (PEG) was investigated for its potential to extend sHDL circulation in vivo. Various amounts (2.5, 5, and 10%) and different chain lengths (2 and 5 kDa) of PEG-modified lipids were incorporated in sHDL's lipid membrane. Incorporating PEG did not reduce the ability of sHDL to facilitate cholesterol efflux, nor did it inhibit cholesterol uptake by the liver cells. By either adding more PEG or using PEG of longer chain lengths, the circulation half-life was extended. Addition of PEG also increased the area under the curve for the phospholipid component of sHDL (p < 0.05), but not for the apolipoprotein A-I peptide component of sHDL, suggesting sHDL is remodeled by endogenous lipoproteins in vivo. The extended phospholipid circulation led to a higher mobilization of plasma free cholesterol, a biomarker for facilitation of reverse cholesterol transport. The area under the cholesterol mobilization increased about 2-4-fold (p < 0.05), with greater increases observed for longer PEG chains and higher molar percentages of incorporated PEGylated lipids. Mobilized cholesterol was associated primarily with the HDL fraction, led to a transient increase in VLDL cholesterol, and returned to baseline 24 h postdose. Overall, PEGylation of sHDL led to beneficial changes in sHDL particle pharmacokinetic and pharmacodynamic behaviors.
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Affiliation(s)
- Dan Li
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, 428 Church Street, Ann Arbor, MI 48109
| | - Maria V. Fawaz
- Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, 428 Church Street, Ann Arbor, MI 48109
| | - Emily E. Morin
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, 428 Church Street, Ann Arbor, MI 48109
| | - Denis Sviridov
- National Heart, Lung and Blood Institute, National Institutes of Health, Building 10 – 2C433, 10 Center Drive, MSC 1666, Bethesda, MD 20892
| | - Rose Ackerman
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, 428 Church Street, Ann Arbor, MI 48109
| | - Karl Olsen
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, 428 Church Street, Ann Arbor, MI 48109
| | - Alan T. Remaley
- National Heart, Lung and Blood Institute, National Institutes of Health, Building 10 – 2C433, 10 Center Drive, MSC 1666, Bethesda, MD 20892
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, 428 Church Street, Ann Arbor, MI 48109
- Biointerfaces Institute, University of Michigan, NCRC, 2800 Plymouth Road, Ann Arbor, MI 48109
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16
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Smith CK, Seto NL, Vivekanandan-Giri A, Yuan W, Playford MP, Manna Z, Hasni SA, Kuai R, Mehta NN, Schwendeman A, Pennathur S, Kaplan MJ. Lupus high-density lipoprotein induces proinflammatory responses in macrophages by binding lectin-like oxidised low-density lipoprotein receptor 1 and failing to promote activating transcription factor 3 activity. Ann Rheum Dis 2017; 76:602-611. [PMID: 27543414 PMCID: PMC6109980 DOI: 10.1136/annrheumdis-2016-209683] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 07/25/2016] [Accepted: 07/26/2016] [Indexed: 11/03/2022]
Abstract
OBJECTIVES Recent evidence indicates that high-density lipoprotein (HDL) exerts vasculoprotective activities by promoting activating transcription factor 3 (ATF3), leading to downregulation of toll-like receptor (TLR)-induced inflammatory responses. Systemic lupus erythematosus (SLE) is associated with increased cardiovascular disease risk not explained by the Framingham risk score. Recent studies have indicated oxidised HDL as a possible contributor. We investigated the potential mechanisms by which lupus HDL may lose its anti-inflammatory effects and promote immune dysregulation. METHODS Control macrophages were challenged with control and SLE HDL in vitro and examined for inflammatory markers by real-time qRT-PCR, confocal microscopy, ELISA and flow cytometry. Lupus-prone mice were treated with an HDL mimetic (ETC-642) in vivo and inflammatory cytokine levels measured by real-time qRT-PCR and ELISA. RESULTS Compared with control HDL, SLE HDL activates NFκB, promotes inflammatory cytokine production and fails to block TLR-induced inflammation in control macrophages. This failure of lupus HDL to block inflammatory responses is due to an impaired ability to promote ATF3 synthesis and nuclear translocation. This inflammation is dependent on lectin-like oxidised low-density lipoprotein receptor 1 (LOX1R) binding and rho-associated, coiled-coil containing protein kinase 1 and 2 (ROCK1/2) kinase activity. HDL mimetic-treated lupus mice showed significant ATF3 induction and proinflammatory cytokine abrogation. CONCLUSIONS Lupus HDL promotes proinflammatory responses through NFκB activation and decreased ATF3 synthesis and activity in an LOX1R-dependent and ROCK1/2-dependent manner. HDL mimetics should be explored as potential therapies for inflammation and SLE cardiovascular risk.
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MESH Headings
- 1,2-Dipalmitoylphosphatidylcholine/pharmacology
- Activating Transcription Factor 3/biosynthesis
- Activating Transcription Factor 3/metabolism
- Active Transport, Cell Nucleus/drug effects
- Amides/pharmacology
- Animals
- Cells, Cultured
- Cytokines/genetics
- Female
- Humans
- Lipoproteins, HDL/metabolism
- Lipoproteins, HDL/pharmacology
- Lupus Erythematosus, Systemic/blood
- Macrophages
- Mice
- NF-kappa B/metabolism
- Oxidation-Reduction
- Peptides/pharmacology
- Protein Biosynthesis/drug effects
- Protein Kinase Inhibitors/pharmacology
- Pyridines/pharmacology
- RNA, Messenger/metabolism
- Scavenger Receptors, Class A/genetics
- Scavenger Receptors, Class E/genetics
- Scavenger Receptors, Class E/metabolism
- Sphingomyelins/pharmacology
- Spleen/cytology
- Toll-Like Receptors/metabolism
- Transcription, Genetic/drug effects
- rho-Associated Kinases/metabolism
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Affiliation(s)
- Carolyne K. Smith
- Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Nickie L. Seto
- Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, USA
| | | | - Wenmin Yuan
- Department of Medicinal Chemistry and the Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - Martin P. Playford
- Section of Inflammation and Cardiometabolic Diseases, National Heart, Lung and Blood Institute, NIH, Bethesda, MD, USA
| | - Zerai Manna
- Lupus Clinical Research Program, Office of the Clinical Director, NIAMS/NIH, Bethesda, MD, USA
| | - Sarfaraz A. Hasni
- Lupus Clinical Research Program, Office of the Clinical Director, NIAMS/NIH, Bethesda, MD, USA
| | - Rui Kuai
- Department of Medicinal Chemistry and the Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - Nehal N. Mehta
- Section of Inflammation and Cardiometabolic Diseases, National Heart, Lung and Blood Institute, NIH, Bethesda, MD, USA
| | - Anna Schwendeman
- Department of Medicinal Chemistry and the Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - Subramaniam Pennathur
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Mariana J. Kaplan
- Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, USA
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17
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Li J, Wang W, Han L, Feng M, Lu H, Yang L, Hu X, Shi S, Jiang S, Wang Q, Ye L. Human apolipoprotein A-I exerts a prophylactic effect on high-fat diet-induced atherosclerosis via inflammation inhibition in a rabbit model. Acta Biochim Biophys Sin (Shanghai) 2017; 49:149-158. [PMID: 28069582 DOI: 10.1093/abbs/gmw128] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 11/29/2016] [Indexed: 01/15/2023] Open
Abstract
Apolipoprotein A-I (apoA-I) is the major functional protein fraction of high-density lipoprotein. The prophylactic effect and mechanism of human apoA-I on atherosclerosis (AS) were investigated in a high-fat diet-induced AS rabbit model. The rabbits were injected with apoA-I once a week while fed high-fat diet for 20 weeks. Our results showed that apoA-I could raise the serum level of high-density lipoprotein-cholesterol and reduce those of lipid total cholesterol, triglyceride, and low-density lipoprotein-cholesterol in AS rabbits. Decreased aortic plaque area and aortic injury degree were also observed by Oil Red O staining and HE staining in apoA-I-treated high-fat diet-induced AS rabbits. Further study elucidated that apoA-I could down-regulate the expression of some inflammatory mediators including intercellular adhesion molecule type 1, vascular adhesion molecule-1 (VCAM-1), monocyte chemoattractant protein-1, tumor necrosis factor-α, interleukin-6 (IL-6), and C-reactive protein in serum and aorta of AS rabbits. In addition, real-time quantitative RT-PCR analyses showed that the apoA-I infusions decreased the mRNA levels of two pro-inflammatory molecules, i.e. nuclear factor kappa B (NF-κB) and cyclooxygenase-2 (COX-2), in aorta of AS rabbits, which was associated with a concomitant reduction in endothelial VCAM-1 and IL-6 mRNA transcription. Together, our results support the atheroprotective and prophylactic role of apoA-I in vivo, and this activity may be correlated with its anti-inflammatory effect.
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Affiliation(s)
- Jiyang Li
- Department of Biosynthesis & Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Weina Wang
- Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Lei Han
- Shanghai Benemae Pharmaceutical Corporation, Shanghai International Medical Park, Shanghai 201321, China
| | - Meiqing Feng
- Department of Biosynthesis & Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Hui Lu
- Shanghai RAAS Blood Products Co., Ltd, Shanghai 201401, China
| | - Li Yang
- Shanghai RAAS Blood Products Co., Ltd, Shanghai 201401, China
| | - Xiangxiang Hu
- Department of Biosynthesis & Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Si Shi
- Department of Biosynthesis & Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Shanshan Jiang
- Department of Biosynthesis & Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Qian Wang
- Department of Biosynthesis & Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Li Ye
- Department of Biosynthesis & Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
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18
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Recio C, Maione F, Iqbal AJ, Mascolo N, De Feo V. The Potential Therapeutic Application of Peptides and Peptidomimetics in Cardiovascular Disease. Front Pharmacol 2017; 7:526. [PMID: 28111551 PMCID: PMC5216031 DOI: 10.3389/fphar.2016.00526] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 12/19/2016] [Indexed: 12/11/2022] Open
Abstract
Cardiovascular disease (CVD) remains a leading cause of mortality and morbidity worldwide. Numerous therapies are currently under investigation to improve pathological cardiovascular complications, but yet, there have been very few new medications approved for intervention/treatment. Therefore, new approaches to treat CVD are urgently required. Attempts to prevent vascular complications usually involve amelioration of contributing risk factors and underlying processes such as inflammation, obesity, hyperglycaemia, or hypercholesterolemia. Historically, the development of peptides as therapeutic agents has been avoided by the Pharmaceutical industry due to their low stability, size, rate of degradation, and poor delivery. However, more recently, resurgence has taken place in developing peptides and their mimetics for therapeutic intervention. As a result, increased attention has been placed upon using peptides that mimic the function of mediators involved in pathologic processes during vascular damage. This review will provide an overview on novel targets and experimental therapeutic approaches based on peptidomimetics for modulation in CVD. We aim to specifically examine apolipoprotein A-I (apoA-I) and apoE mimetic peptides and their role in cholesterol transport during atherosclerosis, suppressors of cytokine signaling (SOCS)1-derived peptides and annexin-A1 as potent inhibitors of inflammation, incretin mimetics and their function in glucose-insulin tolerance, among others. With improvements in technology and synthesis platforms the future looks promising for the development of novel peptides and mimetics for therapeutic use. However, within the area of CVD much more work is required to identify and improve our understanding of peptide structure, interaction, and function in order to select the best targets to take forward for treatment.
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Affiliation(s)
- Carlota Recio
- Sir William Dunn School of Pathology, University of Oxford Oxford, UK
| | - Francesco Maione
- Department of Pharmacy, University of Naples Federico II Naples, Italy
| | - Asif J Iqbal
- Sir William Dunn School of Pathology, University of Oxford Oxford, UK
| | - Nicola Mascolo
- Department of Pharmacy, University of Naples Federico II Naples, Italy
| | - Vincenzo De Feo
- Department of Pharmacy, University of Salerno Salerno, Italy
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19
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Tang J, Li D, Drake L, Yuan W, Deschaine S, Morin EE, Ackermann R, Olsen K, Smith DE, Schwendeman A. Influence of route of administration and lipidation of apolipoprotein A-I peptide on pharmacokinetics and cholesterol mobilization. J Lipid Res 2017; 58:124-136. [PMID: 27881716 PMCID: PMC5234715 DOI: 10.1194/jlr.m071043] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 11/20/2016] [Indexed: 12/26/2022] Open
Abstract
apoA-I, apoA-I mimetic peptides, and their lipid complexes or reconstituted high-density lipoprotein (HDL) have been studied as treatments for various pathologies. However, consensus is lacking about the best method for administration, by intravenous (IV) or intraperitoneal (IP) routes, and formulation, as an HDL particle or in a lipid-free form. The objective of this study was to systematically examine peptide plasma levels, cholesterol mobilization, and lipoprotein remodeling in vivo following administration of lipid-free apoA-I peptide (22A) or phospholipid reconstituted 22A-sHDL by IV and IP routes. The mean circulation half-life was longer for 22A-sHDL (T1/2 = 6.27 h) than for free 22A (T1/2 = 3.81 h). The percentage of 22A absorbed by the vascular compartment after the IP dosing was ∼50% for both 22A and 22A-sHDL. The strongest pharmacologic response came from IV injection of 22A-sHDL, specifically a 5.3-fold transient increase in plasma-free cholesterol (FC) level compared with 1.3- and 1.8-fold FC increases for 22A-IV and 22A-sHDL-IP groups. Addition of either 22A or 22A-sHDL to rat plasma caused lipoprotein remodeling and appearance of a lipid-poor apoA-I. Hence, both the route of administration and the formulation of apoA-I peptide significantly affect its pharmacokinetics and pharmacodynamics.
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Affiliation(s)
- Jie Tang
- Department of Pharmaceutical Sciences North Campus Research Complex, University of Michigan, Ann Arbor, MI
| | - Dan Li
- Department of Pharmaceutical Sciences North Campus Research Complex, University of Michigan, Ann Arbor, MI
| | - Lindsey Drake
- Department of Medicinal Chemistry, North Campus Research Complex, University of Michigan, Ann Arbor, MI
| | - Wenmin Yuan
- Department of Pharmaceutical Sciences North Campus Research Complex, University of Michigan, Ann Arbor, MI
| | - Sara Deschaine
- Department of Pharmaceutical Sciences North Campus Research Complex, University of Michigan, Ann Arbor, MI
| | - Emily E Morin
- Department of Pharmaceutical Sciences North Campus Research Complex, University of Michigan, Ann Arbor, MI
| | - Rose Ackermann
- Department of Pharmaceutical Sciences North Campus Research Complex, University of Michigan, Ann Arbor, MI
| | - Karl Olsen
- Department of Pharmaceutical Sciences North Campus Research Complex, University of Michigan, Ann Arbor, MI
| | - David E Smith
- Department of Pharmaceutical Sciences North Campus Research Complex, University of Michigan, Ann Arbor, MI
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences North Campus Research Complex, University of Michigan, Ann Arbor, MI
- Department of Medicinal Chemistry, North Campus Research Complex, University of Michigan, Ann Arbor, MI
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20
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Cao YN, Xu L, Han YC, Wang YN, Liu G, Qi R. Recombinant high-density lipoproteins and their use in cardiovascular diseases. Drug Discov Today 2016; 22:180-185. [PMID: 27591840 DOI: 10.1016/j.drudis.2016.08.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 08/24/2016] [Accepted: 08/25/2016] [Indexed: 10/21/2022]
Abstract
The unique anti-atherosclerosis abilities and other cardioprotective properties make high-density lipoprotein (HDL) a promising solution in treating cardiovascular diseases. A number of studies showed that HDL-based therapy was well tolerated and has great potential in the future. Among all these new agents, the most studied ones including recombinant HDL, recombinant human apolipoproteins, apolipoprotein mimetic peptides and recombinant HDL used as contrast agents in cardiovascular imaging are discussed here. Recombinant HDL and apolipoproteins are promising in diagnosing and treating cardiovascular diseases.
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Affiliation(s)
- Yi-Ni Cao
- Peking University Institute of Cardiovascular Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing 100191, China; Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, China
| | - Lu Xu
- Peking University Institute of Cardiovascular Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing 100191, China; Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, China
| | - Ying-Chun Han
- Peking University Institute of Cardiovascular Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing 100191, China; Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, China
| | - Yu-Nan Wang
- Peking University Institute of Cardiovascular Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing 100191, China; Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, China
| | - George Liu
- Peking University Institute of Cardiovascular Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing 100191, China; Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, China
| | - Rong Qi
- Peking University Institute of Cardiovascular Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing 100191, China; Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, China.
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21
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Takata K, Imaizumi S, Zhang B, Miura SI, Saku K. Stabilization of high-risk plaques. Cardiovasc Diagn Ther 2016; 6:304-21. [PMID: 27500090 DOI: 10.21037/cdt.2015.10.03] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The prevalence of atherosclerotic cardiovascular diseases (ASCVDs) is increasing globally and they have become the leading cause of death in most countries. Numerous experimental and clinical studies have been conducted to identify major risk factors and effective control strategies for ASCVDs. The development of imaging modalities with the ability to determine the plaque composition enables us to further identify high-risk plaque and evaluate the effectiveness of different treatment strategies. While intensive lipid-lowering by statins can stabilize or even regress plaque by various mechanisms, such as the reduction of lipid accumulation in a necrotic lipid core, the reduction of inflammation, and improvement of endothelial function, there are still considerable residual risks that need to be understood. We reviewed important findings regarding plaque vulnerability and some encouraging emerging approaches for plaque stabilization.
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Affiliation(s)
- Kohei Takata
- Department of Cardiology, Fukuoka University School of Medicine, Fukuoka 814-0180, Japan
| | - Satoshi Imaizumi
- Department of Cardiology, Fukuoka University School of Medicine, Fukuoka 814-0180, Japan
| | - Bo Zhang
- Department of Biochemistry, Fukuoka University School of Medicine, Fukuoka 814-0180, Japan
| | - Shin-Ichiro Miura
- Department of Cardiology, Fukuoka University School of Medicine, Fukuoka 814-0180, Japan
| | - Keijiro Saku
- Department of Cardiology, Fukuoka University School of Medicine, Fukuoka 814-0180, Japan
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22
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Abstract
The concept of lipoprotein mimetics was developed and extensively tested in the last three decades. Most lipoprotein mimetics were designed to recreate one or several functions of high-density lipoprotein (HDL) in the context of cardiovascular disease; however, the application of this approach is much broader. Lipoprotein mimetics should not just be seen as a set of compounds aimed at replenishing a deficiency or dysfunctionality of individual elements of lipoprotein metabolism but rather as a designer concept with remarkable flexibility and numerous applications in medicine and biology. In the present review, we discuss the fundamental design principles used to create lipoprotein mimetics, mechanisms of their action, medical indications and efficacy in animal models and human studies.
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23
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Ikenaga M, Higaki Y, Saku K, Uehara Y. High-Density Lipoprotein Mimetics: a Therapeutic Tool for Atherosclerotic Diseases. J Atheroscler Thromb 2016; 23:385-94. [PMID: 26830201 DOI: 10.5551/jat.33720] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Clinical trials and epidemiological studies have revealed a negative correlation between serum high-density lipoprotein (HDL) cholesterol levels and the risk of cardiovascular events. Currently, statin treatment is the standard therapy for cardiovascular diseases, reducing plasma low-density lipoprotein (LDL) cholesterol levels. However, more than half of the patients have not been able to receive the beneficial effects of this treatment.The reverse cholesterol transport pathway has several potential anti-atherogenic properties. An important approach to HDL-targeted therapy is the optimization of HDL cholesterol levels and function in the blood to enhance the removal of circulating cholesterol and to prevent or mitigate inflammation that causes atherosclerosis. Cholesteryl ester transfer protein inhibitors increase HDL cholesterol levels in humans, but whether they reduce the risk of atherosclerotic diseases is unknown. HDL therapies using HDL mimetics, including reconstituted HDL, apolipoprotein (Apo) A-IMilano, ApoA-I mimetic peptides, or full-length ApoA-I, are highly effective in animal models. In particular, the Fukuoka University ApoA-I-mimetic peptide (FAMP) effectively removes cholesterol via the ABCA1 transporter and acts as an anti-atherosclerotic agent by enhancing the biological functions of HDL without elevating HDL cholesterol levels.Our literature review suggests that HDL mimetics have significant atheroprotective potential and are a therapeutic tool for atherosclerotic diseases.
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24
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Newly developed apolipoprotein A-I mimetic peptide promotes macrophage reverse cholesterol transport in vivo. Int J Cardiol 2015; 192:82-8. [DOI: 10.1016/j.ijcard.2015.05.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2014] [Revised: 03/26/2015] [Accepted: 05/06/2015] [Indexed: 01/26/2023]
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25
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Du Y, Wang L, Hong B. High-density lipoprotein-based drug discovery for treatment of atherosclerosis. Expert Opin Drug Discov 2015; 10:841-55. [PMID: 26022101 DOI: 10.1517/17460441.2015.1051963] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
INTRODUCTION Although there has been great progress achieved by the use of intensive statin therapy, the burden of atherosclerotic cardiovascular disease (CVD) remains high. This has initiated the search for novel high-density lipoprotein (HDL)-based therapeutics. Recent years have witnessed a shift from traditional raising HDL-C levels to enhancing HDL functionality, in which the process of reverse cholesterol transport (RCT) has acquired much attention. AREAS COVERED In this review, the authors describe the key factors involved in RCT process for potential drug targets to reduce the CVD risk. Furthermore, the review provides a summary of the effective screening methods that have been developed to target RCT and their applications. This review also introduces some new strategies currently being clinically developed, which have the potential to improve HDL function in the RCT process. EXPERT OPINION It is rational that the functionality of HDL is more important than the plasma HDL-C level in the evaluation of pharmacological treatment in atherosclerosis. HDL-based strategies designed to promote macrophage RCT are a major area of current drug discovery and development for atherosclerotic diseases. A better understanding of the functionality of HDL and its relationship with atherosclerosis will expand our knowledge of the role of HDL in lipid metabolism, holding promise for a future successful HDL-based therapy.
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Affiliation(s)
- Yu Du
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College , No.1 Tiantan Xili, Beijing 100050 , China
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26
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Kühnast S, Fiocco M, van der Hoorn JWA, Princen HMG, Jukema JW. Innovative pharmaceutical interventions in cardiovascular disease: Focusing on the contribution of non-HDL-C/LDL-C-lowering versus HDL-C-raising: A systematic review and meta-analysis of relevant preclinical studies and clinical trials. Eur J Pharmacol 2015; 763:48-63. [PMID: 25989133 DOI: 10.1016/j.ejphar.2015.03.089] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Revised: 01/27/2015] [Accepted: 03/05/2015] [Indexed: 12/25/2022]
Abstract
Non-HDL-cholesterol is well recognised as a primary causal risk factor in cardiovascular disease. However, despite consistent epidemiological evidence for an inverse association between HDL-C and coronary heart disease, clinical trials aimed at raising HDL-C (AIM-HIGH, HPS2-THRIVE, dal-OUTCOMES) failed to meet their primary goals. This systematic review and meta-analysis investigated the effects of established and novel treatment strategies, specifically targeting HDL, on inhibition of atherosclerosis in cholesteryl ester transfer protein-expressing animals, and the prevention of clinical events in randomised controlled trials. Linear regression analyses using data from preclinical studies revealed associations for TC and non-HDL-C and lesion area (R(2)=0.258, P=0.045; R(2)=0.760, P<0.001), but not for HDL-C (R(2)=0.030, P=0.556). In clinical trials, non-fatal myocardial infarction risk was significantly less in the treatment group with pooled odd ratios of 0.87 [0.81; 0.94] for all trials and 0.85 [0.78; 0.93] after excluding some trials due to off-target adverse events, whereas all-cause mortality was not affected (OR 1.05 [0.99-1.10]). Meta-regression analyses revealed a trend towards an association between between-group differences in absolute change from baseline in LDL-C and non-fatal myocardial infarction (P=0.066), whereas no correlation was found for HDL-C (P=0.955). We conclude that the protective role of lowering LDL-C and non-HDL-C is well-established. The contribution of raising HDL-C on inhibition of atherosclerosis and the prevention of cardiovascular disease remains undefined and may be dependent on the mode of action of HDL-C-modification. Nonetheless, treatment strategies aimed at improving HDL function and raising apolipoprotein A-I may be worth exploring.
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Affiliation(s)
- Susan Kühnast
- TNO-Metabolic Health Research, Gaubius Laboratory, Leiden, The Netherlands; Department of Cardiology, LUMC, Leiden, The Netherlands; Einthoven Laboratory for Experimental Vascular Medicine, LUMC, Leiden, The Netherlands
| | - Marta Fiocco
- Department of Medical Statistics and Bioinformatics, LUMC, Leiden, The Netherlands; Mathematical Institute, Leiden University, Leiden, The Netherlands
| | - José W A van der Hoorn
- TNO-Metabolic Health Research, Gaubius Laboratory, Leiden, The Netherlands; Department of Cardiology, LUMC, Leiden, The Netherlands; Einthoven Laboratory for Experimental Vascular Medicine, LUMC, Leiden, The Netherlands
| | - Hans M G Princen
- TNO-Metabolic Health Research, Gaubius Laboratory, Leiden, The Netherlands.
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27
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Hafiane A, Genest J. High density lipoproteins: Measurement techniques and potential biomarkers of cardiovascular risk. BBA CLINICAL 2015; 3:175-88. [PMID: 26674734 PMCID: PMC4661556 DOI: 10.1016/j.bbacli.2015.01.005] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2014] [Revised: 01/16/2015] [Accepted: 01/26/2015] [Indexed: 12/31/2022]
Abstract
Plasma high density lipoprotein cholesterol (HDL) comprises a heterogeneous family of lipoprotein species, differing in surface charge, size and lipid and protein compositions. While HDL cholesterol (C) mass is a strong, graded and coherent biomarker of cardiovascular risk, genetic and clinical trial data suggest that the simple measurement of HDL-C may not be causal in preventing atherosclerosis nor reflect HDL functionality. Indeed, the measurement of HDL-C may be a biomarker of cardiovascular health. To assess the issue of HDL function as a potential therapeutic target, robust and simple analytical methods are required. The complex pleiotropic effects of HDL make the development of a single measurement challenging. Development of laboratory assays that accurately HDL function must be developed validated and brought to high-throughput for clinical purposes. This review discusses the limitations of current laboratory technologies for methods that separate and quantify HDL and potential application to predict CVD, with an emphasis on emergent approaches as potential biomarkers in clinical practice.
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Key Words
- 2D-PAGGE, two dimensional polyacrylamide gradient gel electrophoresis
- ApoA-I, apolipoprotein A-I
- Apolipoprotein A-I
- Atherosclerosis
- Biomarkers of cardiovascular risk
- CHD, coronary heart disease
- CVD, cardiovascular disease
- Cellular cholesterol efflux
- Coronary artery disease
- HDL, high density lipoprotein
- HPLC, High Performance Liquid Chromatography
- High density lipoproteins
- LCAT, lecithin–cholesterol acyltransferase
- LDL, low density lipoprotein
- MALDI, matrix-assisted laser desorption/ionization
- MOP, myeloperoxidase
- MS/MS, tandem-mass spectrometry
- ND-PAGGE, non-denaturant polyacrylamide gradient gel electrophoresis
- NMR, nuclear magnetic resonance
- PEG, polyethylene glycol
- PON1, paraoxonase 1
- SELDI, surface enhanced laser desorption/ionization
- TOF, time-of-flight
- UTC, ultracentrifugation
- Vascular endothelial function
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Affiliation(s)
- Anouar Hafiane
- McGill University Health Center, Royal Victoria Hospital, 687 Avenue des Pins West, Montreal, QC H3A 1A1, Canada
| | - Jacques Genest
- McGill University Health Center, Royal Victoria Hospital, 687 Avenue des Pins West, Montreal, QC H3A 1A1, Canada
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Abstract
A wealth of evidence indicates that plasma levels of high-density lipoprotein cholesterol (HDL-C) are inversely related to the risk of cardiovascular disease (CVD). Consequently, HDL-C has been considered a target for therapy in order to reduce the residual CVD burden that remains significant, even after application of current state-of-the-art medical interventions. In recent years, however, a number of clinical trials of therapeutic strategies that increase HDL-C levels failed to show the anticipated beneficial effect on CVD outcomes. As a result, attention has begun to shift toward strategies to improve HDL functionality, rather than levels of HDL-C per se. ApoA-I, the major protein component of HDL, is considered to play an important role in many of the antiatherogenic functions of HDL, most notably reverse cholesterol transport (RCT), and several therapies have been developed to mimic apoA-I function, including administration of apoA-I, mutated variants of apoA-I, and apoA-I mimetic peptides. Based on the potential anti-inflammatory effects, apoA-I mimetics hold promise not only as anti-atherosclerotic therapy but also in other therapeutic areas.
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Affiliation(s)
- R M Stoekenbroek
- Department of Vascular Medicine, Academic Medical Center, 22660, 1100 DD, Amsterdam, The Netherlands
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Santos-Gallego CG, Badimon JJ, Rosenson RS. Beginning to understand high-density lipoproteins. Endocrinol Metab Clin North Am 2014; 43:913-47. [PMID: 25432389 DOI: 10.1016/j.ecl.2014.08.001] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This article reconciles the classic view of high-density lipoproteins (HDL) associated with low risk for cardiovascular disease (CVD) with recent data (genetics studies and randomized clinical trials) casting doubt over the widely accepted beneficial role of HDL regarding CVD risk. Although HDL cholesterol has been used as a surrogate measure to investigate HDL function, the cholesterol content in HDL particles is not an indicator of the atheroprotective properties of HDL. Thus, more precise measures of HDL metabolism are needed to reflect and account for the beneficial effects of HDL particles. Current and emerging therapies targeting HDL are discussed.
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Affiliation(s)
- Carlos G Santos-Gallego
- Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, One Gustave Levy Place, Box 1030, New York, NY 10029, USA
| | - Juan J Badimon
- Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, One Gustave Levy Place, Box 1030, New York, NY 10029, USA
| | - Robert S Rosenson
- Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, One Gustave Levy Place, Box 1030, New York, NY 10029, USA.
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30
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Miura SI, Suematsu Y, Matsuo Y, Imaizumi S, Yahiro E, Uehara Y, Saku K. Induction of endothelial tube formation and anti-inflammation by newly developed apolipoprotein A-I mimetic peptide. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.ijcme.2014.09.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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31
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Uehara Y, Saku K. High-density lipoprotein and atherosclerosis: Roles of lipid transporters. World J Cardiol 2014; 6:1049-1059. [PMID: 25349649 PMCID: PMC4209431 DOI: 10.4330/wjc.v6.i10.1049] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2014] [Revised: 02/10/2014] [Accepted: 08/31/2014] [Indexed: 02/06/2023] Open
Abstract
Various previous studies have found a negative correlation between the risk of cardiovascular events and serum high-density lipoprotein (HDL) cholesterol levels. The reverse cholesterol transport, a pathway of cholesterol from peripheral tissue to liver which has several potent antiatherogenic properties. For instance, the particles of HDL mediate to transport cholesterol from cells in arterial tissues, particularly from atherosclerotic plaques, to the liver. Both ATP-binding cassette transporters (ABC) A1 and ABCG1 are membrane cholesterol transporters and have been implicated in mediating cholesterol effluxes from cells in the presence of HDL and apolipoprotein A-I, a major protein constituent of HDL. Previous studies demonstrated that ABCA1 and ABCG1 or the interaction between ABCA1 and ABCG1 exerted antiatherosclerotic effects. As a therapeutic approach for increasing HDL cholesterol levels, much focus has been placed on increasing HDL cholesterol levels as well as enhancing HDL biochemical functions. HDL therapies that use injections of reconstituted HDL, apoA-I mimetics, or full-length apoA-I have shown dramatic effectiveness. In particular, a novel apoA-I mimetic peptide, Fukuoka University ApoA-I Mimetic Peptide, effectively removes cholesterol via specific ABCA1 and other transporters, such as ABCG1, and has an antiatherosclerotic effect by enhancing the biological functions of HDL without changing circulating HDL cholesterol levels. Thus, HDL-targeting therapy has significant atheroprotective potential, as it uses lipid transporter-targeting agents, and may prove to be a therapeutic tool for atherosclerotic cardiovascular diseases.
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van Capelleveen JC, Brewer HB, Kastelein JJP, Hovingh GK. Novel therapies focused on the high-density lipoprotein particle. Circ Res 2014; 114:193-204. [PMID: 24385512 DOI: 10.1161/circresaha.114.301804] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Cardiovascular disease (CVD) remains a major burden for morbidity and mortality in the general population, despite current efficacious low-density lipoprotein-cholesterol-lowering therapies. Consequently, novel therapies are required to reduce this residual risk. Prospective epidemiological studies have shown that high-density lipoprotein-cholesterol (HDL-C) levels are inversely correlated with cardiovascular disease risk, and this initiated the quest for HDL-C-increasing therapies. Consequently, several different targets in HDL metabolism have been identified. Initial studies addressing the effect of cholesteryl ester transfer protein inhibition on cardiovascular disease outcome have been discontinued for reasons of futility or increased mortality. As of yet, 2 cholesteryl ester transfer protein inhibitors are still in phase III studies. Other HDL-based interventions, such as apolipoprotein A1-based compounds, ABC-transporter upregulators, selective peroxisome proliferator-activated receptor modulators and lecithin-cholesterol acyltransferase-based therapy, hold great promise for the future. The aim of this review is to provide a comprehensive overview of HDL-targeted pharmaceutical strategies in humans, both in early development as well as in late stage clinical trials.
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Affiliation(s)
- Julian C van Capelleveen
- From the Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands (J.C.v.C., J.J.P.K., G.K.H.); and MedStar Research Institute, Washington Hospital Center, Washington, DC (H.B.B.)
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33
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Leman LJ, Maryanoff BE, Ghadiri MR. Molecules that mimic apolipoprotein A-I: potential agents for treating atherosclerosis. J Med Chem 2013; 57:2169-96. [PMID: 24168751 DOI: 10.1021/jm4005847] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Certain amphipathic α-helical peptides can functionally mimic many of the properties of full-length apolipoproteins, thereby offering an approach to modulate high-density lipoprotein (HDL) for combating atherosclerosis. In this Perspective, we summarize the key findings and advances over the past 25 years in the development of peptides that mimic apolipoproteins, especially apolipoprotein A-I (apoA-I). This assemblage of information provides a reasonably clear picture of the state of the art in the apolipoprotein mimetic field, an appreciation of the potential for such agents in pharmacotherapy, and a sense of the opportunities for optimizing the functional properties of HDL.
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Affiliation(s)
- Luke J Leman
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute , 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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Shiomi M, Koike T, Ito T. Contribution of the WHHL rabbit, an animal model of familial hypercholesterolemia, to elucidation of the anti-atherosclerotic effects of statins. Atherosclerosis 2013; 231:39-47. [PMID: 24125408 DOI: 10.1016/j.atherosclerosis.2013.08.030] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Revised: 08/26/2013] [Accepted: 08/27/2013] [Indexed: 10/26/2022]
Abstract
This year marks the 40th year since the discovery of a mutant rabbit showing spontaneous hyperlipidemia, which is the proband of the Watanabe heritable hyperlipidemic (WHHL) rabbit strain, an animal model of familial hypercholesterolemia, and the first statin, a general term for inhibitors of 3-hydroxy-3-methylglutaryl CoA reductase, a rate limiting enzyme in cholesterol biosynthesis. Nowadays, statins are the primary drug of choice for treating cardiovascular disease. Although several reviews have described clinical trials and in vitro studies of statins, the anti-atherosclerotic effects of statins on animal models have not been comprehensively reviewed. This review summarized the contribution of WHHL rabbits to elucidating the anti-atherosclerotic effects of statins in vivo. Studies using WHHL rabbits verified that statins suppress plaque destabilization by reducing unstable components (foam cells derived from macrophages, foam cell debris, and extracellular lipid accumulation), preventing smooth muscle cell reductions, and increasing the collagen content of plaques. In addition, the expression of matrix metalloproteinases and tissue factor are decreased in intimal macrophages by statin treatment. Lipid-lowering effects of statins alter plaque biology by reducing the proliferation and activation of macrophages, a prominent source of the molecules responsible for plaque instability and thrombogenicity. Although statins remain the standard treatment for cardiovascular disease, new therapeutics are eagerly awaited. WHHL rabbits will continue to contribute to the development of therapeutics.
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Affiliation(s)
- Masashi Shiomi
- Institute for Experimental Animals, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; Division of Comparative Pathophysiology, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan.
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35
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Ditiatkovski M, D’Souza W, Kesani R, Chin-Dusting J, de Haan JB, Remaley A, Sviridov D. An apolipoprotein A-I mimetic peptide designed with a reductionist approach stimulates reverse cholesterol transport and reduces atherosclerosis in mice. PLoS One 2013; 8:e68802. [PMID: 23874769 PMCID: PMC3706315 DOI: 10.1371/journal.pone.0068802] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Accepted: 06/01/2013] [Indexed: 01/19/2023] Open
Abstract
Apolipoprotein A-I (apoA-I) mimetic peptides are considered a promising novel therapeutic approach to prevent and/or treat atherosclerosis. An apoA-I mimetic peptide ELK-2A2K2E was designed with a reductionist approach and has shown exceptional activity in supporting cholesterol efflux but modest anti-inflammatory and anti-oxidant properties in vitro. In this study we compared these in vitro properties with the capacity of this peptide to modify rates of reverse cholesterol transport and development of atherosclerosis in mouse models. The peptide enhanced the rate of reverse cholesterol transport in C57BL/6 mice and reduced atherosclerosis in Apoe(-/-) mice receiving a high fat diet. The peptide modestly reduced the size of the plaques in aortic arch, but was highly active in reducing vascular inflammation and oxidation. Administration of the peptide to Apoe(-/-) mice on a high fat diet reduced the levels of total, high density lipoprotein and non-high density lipoprotein cholesterol and triglycerides. It increased the proportion of smaller HDL particles in plasma at the expense of larger HDL particles, and increased the capacity of the plasma to support cholesterol efflux. Thus, ELK-2A2K2E peptide reduced atherosclerosis in Apoe(-/-) mice, however, the functional activity profile after chronic in vivo administration was different from that found in acute in vitro studies.
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Affiliation(s)
| | - Wilissa D’Souza
- Baker Heart and Diabetes Institute, Melbourne, Vic., Australia
| | - Rajitha Kesani
- Baker Heart and Diabetes Institute, Melbourne, Vic., Australia
| | | | - Judy B. de Haan
- Baker Heart and Diabetes Institute, Melbourne, Vic., Australia
| | - Alan Remaley
- Lipoprotein Section, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Dmitri Sviridov
- Baker Heart and Diabetes Institute, Melbourne, Vic., Australia
- * E-mail:
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36
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Uehara Y, Ando S, Yahiro E, Oniki K, Ayaori M, Abe S, Kawachi E, Zhang B, Shioi S, Tanigawa H, Imaizumi S, Miura SI, Saku K. FAMP, a novel apoA-I mimetic peptide, suppresses aortic plaque formation through promotion of biological HDL function in ApoE-deficient mice. J Am Heart Assoc 2013; 2:e000048. [PMID: 23709562 PMCID: PMC3698760 DOI: 10.1161/jaha.113.000048] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Background Apolipoprotein (apo) A‐I is a major high‐density lipoprotein (HDL) protein that causes cholesterol efflux from peripheral cells through the ATP‐binding cassette transporter A1 (ABCA1), thus generating HDL and reversing the macrophage foam cell phenotype. Pre‐β1 HDL is the smallest subfraction of HDL, which is believed to represent newly formed HDL, and it is the most active acceptor of free cholesterol. Furthermore it has a possible protective function against cardiovascular disease (CVD). We developed a novel apoA‐I mimetic peptide without phospholipids (Fukuoka University ApoA‐I Mimetic Peptide, FAMP). Methods and Results FAMP type 5 (FAMP5) had a high capacity for cholesterol efflux from A172 cells and mouse and human macrophages in vitro, and the efflux was mainly dependent on ABCA1 transporter. Incubation of FAMP5 with human HDL or whole plasma generated small HDL particles, and charged apoA‐I‐rich particles migrated as pre‐β HDL on agarose gel electrophoresis. Sixteen weeks of treatment with FAMP5 significantly suppressed aortic plaque formation (scrambled FAMP, 31.3±8.9% versus high‐dose FAMP5, 16.2±5.0%; P<0.01) and plasma C‐reactive protein and monocyte chemoattractant protein‐1 in apoE‐deficient mice fed a high‐fat diet. In addition, it significantly enhanced HDL‐mediated cholesterol efflux capacity from the mice. Conclusions A newly developed apoA‐I mimetic peptide, FAMP, has an antiatherosclerotic effect through the enhancement of the biological function of HDL. FAMP may have significant atheroprotective potential and prove to be a new therapeutic tool for CVD.
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Abstract
PURPOSE OF REVIEW To review recently published advances in the development of apolipoprotein A-I (apoA-I) mimetic peptides as a potential treatment for cardiovascular diseases. RECENT FINDINGS Various apoA-I mimetic peptides are currently in development and these display potent cardioprotective features that can rival or even surpass those of full length apoA-I and high-density lipoproteins (HDLs). These features include the ability to efflux cholesterol from various cell types as well as anti-inflammatory and antioxidative properties. Recent work has been aimed at identifying the structural features of these peptides that are responsible for these various functions and also for determining the operational mechanisms. There is also interesting new data suggesting that the intestine may be playing an important role in the action of these peptides. SUMMARY In the last year, there have been many important advances in the relatively new field of apoA-I mimetic therapy. These findings support a strong potential for their development as treatment for not only cardiovascular disease but other disease states involving chronic inflammation and oxidation as well.
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Affiliation(s)
- Scott M Gordon
- University of Cincinnati Metabolic Diseases Institute, Cincinnati, Ohio 45237, USA
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