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Sarfati P, De La Taille T, Portioli C, Spanò R, Lalatonne Y, Decuzzi P, Chauvierre C. REVIEW: "ISCHEMIC STROKE: From Fibrinolysis to Functional Recovery" Nanomedicine: Emerging Approaches to Treat Ischemic Stroke. Neuroscience 2023:S0306-4522(23)00536-5. [PMID: 38056622 DOI: 10.1016/j.neuroscience.2023.11.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/27/2023] [Accepted: 11/30/2023] [Indexed: 12/08/2023]
Abstract
Stroke is responsible for 11% of all deaths worldwide, the majority of which are caused by ischemic strokes, thus making the need to urgently find safe and effective therapies. Today, these can be cured either by mechanical thrombectomy when the thrombus is accessible, or by intravenous injection of fibrinolytics. However, the latter present several limitations, such as potential severe side effects, few eligible patients and low rate of partial and full recovery. To design safer and more effective treatments, nanomedicine appeared in this medical field a few decades ago. This review will explain why nanoparticle-based therapies and imaging techniques are relevant for ischemic stroke management. Then, it will present the different nanoparticle types that have been recently developed to treat this pathology. It will also study the various targeting strategies used to bring nanoparticles to the stroke site, thereby limiting side effects and improving the therapeutic efficacy. Finally, this review will present the few clinical studies testing nanomedicine on stroke and discuss potential causes for their scarcity.
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Affiliation(s)
- Pierre Sarfati
- Université Paris Cité, Université Sorbonne Paris Nord, UMR-S U1148 INSERM, Laboratory for Vascular Translational Science (LVTS), F-75018 Paris, France
| | - Thibault De La Taille
- Université Paris Cité, Université Sorbonne Paris Nord, UMR-S U1148 INSERM, Laboratory for Vascular Translational Science (LVTS), F-75018 Paris, France
| | - Corinne Portioli
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Raffaele Spanò
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Yoann Lalatonne
- Université Paris Cité, Université Sorbonne Paris Nord, UMR-S U1148 INSERM, Laboratory for Vascular Translational Science (LVTS), F-75018 Paris, France; Département de Biophysique et de Médecine Nucléaire, Assistance Publique-Hôpitaux de Paris, Hôpital Avicenne, F-93009 Bobigny, France
| | - Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Cédric Chauvierre
- Université Paris Cité, Université Sorbonne Paris Nord, UMR-S U1148 INSERM, Laboratory for Vascular Translational Science (LVTS), F-75018 Paris, France.
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2
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de Oliveira Laterza Ribeiro M, Correia VM, Herling de Oliveira LL, Soares PR, Scudeler TL. Evolving Diagnostic and Management Advances in Coronary Heart Disease. Life (Basel) 2023; 13:951. [PMID: 37109480 PMCID: PMC10143565 DOI: 10.3390/life13040951] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 04/02/2023] [Accepted: 04/03/2023] [Indexed: 04/29/2023] Open
Abstract
Despite considerable improvement in diagnostic modalities and therapeutic options over the last few decades, the global burden of ischemic heart disease is steadily rising, remaining a major cause of death worldwide. Thus, new strategies are needed to lessen cardiovascular events. Researchers in different areas such as biotechnology and tissue engineering have developed novel therapeutic strategies such as stem cells, nanotechnology, and robotic surgery, among others (3D printing and drugs). In addition, advances in bioengineering have led to the emergence of new diagnostic and prognostic techniques, such as quantitative flow ratio (QFR), and biomarkers for atherosclerosis. In this review, we explore novel diagnostic invasive and noninvasive modalities that allow a more detailed characterization of coronary disease. We delve into new technological revascularization procedures and pharmacological agents that target several residual cardiovascular risks, including inflammatory, thrombotic, and metabolic pathways.
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Affiliation(s)
| | | | | | | | - Thiago Luis Scudeler
- Instituto do Coração (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo 05403-010, Brazil
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Chen S, Liang M, Wu C, Zhang X, Wang Y, Zhao M. Poly- α, β- d, l-Aspartyl-Arg-Gly-Asp-Ser-Based Urokinase Nanoparticles for Thrombolysis Therapy. Molecules 2023; 28:2578. [PMID: 36985552 PMCID: PMC10054729 DOI: 10.3390/molecules28062578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
The most concerning adverse effects of thrombolytic agents are major bleeding and intracranial hemorrhage due to their short half-life, low fibrin specificity, and high dosage. To alleviate bleeding side effects during thrombolytic therapy which would bring about the risk of aggravation, we try to find a novel biodegradable delivery nanosystem to carry drugs to target the thrombus, reduce the dosage of the drug, and system side effects. A novel urokinase/poly-α, β-d, l-aspartyl-Arg-Gly-Asp-Ser complex (UK/PD-RGDS) was synthesized and simply prepared. Its thrombolytic potency was assayed by the bubble-rising method and in vitro thrombolytic activity by the thrombus clot lysis assay separately. The in vivo thrombolytic activity and bleeding complication were evaluated by a rat model of carotid arteriovenous bypass thrombolysis. The thrombolytic potency (1288.19 ± 155.20 U/mg) of the UK/PD-RGDS complex nano-globule (18-130 nm) was 1.3 times that of commercial UK (966.77 ± 148.08 U/mg). In vivo, the UK/PD-RGDS complex (2000 IU/kg) could reduce the dose of UK by 90% while achieving the equivalent thrombolysis effect as the free UK (20,000 IU/kg). Additionally, the UK/PD-RGDS complex decreased the tail bleeding time compared with UK. The organ distribution of the FITC-UK/PD-RGDS complex was explored in the rat model. The UK/PD-RGDS complex could provide a promising platform to enhance thrombolytic efficacy significantly and reduce the major bleeding degree.
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Affiliation(s)
| | | | | | | | - Yuji Wang
- School of Pharmaceutical Sciences, Capital Medical University, Beijing 100069, China
| | - Ming Zhao
- School of Pharmaceutical Sciences, Capital Medical University, Beijing 100069, China
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4
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Tsivgoulis G, Safouris A, Alexandrov AV. Ultrasonography. Stroke 2022. [DOI: 10.1016/b978-0-323-69424-7.00046-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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5
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Chen W, Jiang L, Hu Y, Fang G, Yang B, Li J, Liang N, Wu L, Hussain Z. Nanomedicines, an emerging therapeutic regimen for treatment of ischemic cerebral stroke: A review. J Control Release 2021; 340:342-360. [PMID: 34695522 DOI: 10.1016/j.jconrel.2021.10.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 12/18/2022]
Abstract
Owing to its intricate pathophysiology, cerebral stroke is a serious medical condition caused by interruption or obstruction of blood supply (blockage of vasculature) to the brain tissues which results in diminished supply of essential nutrients and oxygen (hypoxia) and ultimate necrosis of neuronal tissues. A prompt risks assessment and immediate rational therapeutic plan with proficient neuroprotection play critically important role in the effective management of this neuronal emergency. Various conventional medications are being used for treatment of acute ischemic cerebral stroke but fibrinolytic agents, alone or in combination with other agents are considered the mainstay. These clot-busting agents effectively restore blood supply (reperfusion) to ischemic regions of the brain; however, their clinical significance is hampered due to various factors such as short plasma half-life, limited distribution to brain tissues due to the presence of highly efficient physiological barrier, blood brain barrier (BBB), and lacking of target-specific delivery to the ischemic brain regions. To alleviate these issues, various types of nanomedicines such as polymeric nanoparticles (NPs), liposomes, nanoemulsion, micelles and dendrimers have been designed and evaluated. The implication of these newer therapies (nanomedicines) have revolutionized the therapeutic outcomes by improving the plasma half-life, permeation across BBB, efficient distribution to ischemic cerebral tissues and neuroprotection. Furthermore, the adaptation of some diverse techniques including PEGylation, tethering of targeting ligands on the surfaces of nanomedicines, and pH responsive features have also been pondered. The implication of these emerging adaptations have shown remarkable potential in maximizing the targeting efficiency of drugs to ischemic brain tissues, simultaneous delivery of drugs and imaging agents (for early prognosis as well as monitoring of therapy), and therapeutic outcomes such as long-term neuroprotection.
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Affiliation(s)
- Wei Chen
- Department of Neurology, The First Affiliated Hospital of Guangxi, University of Chinese Medicine, Nanning, Guangxi 530023, China; Graduate School, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi 330004, China
| | - Lingfei Jiang
- Graduate College, Guangxi University of Chinese Medicine, Nanning, Guangxi 530200, China
| | - Yueqiang Hu
- Department of Neurology, The First Affiliated Hospital of Guangxi, University of Chinese Medicine, Nanning, Guangxi 530023, China; Guangxi Key Laboratory of Chinese Medicine Foundation Research, Guangxi University of Chinese Medicine, Nanning, Guangxi 530200, China.
| | - Gang Fang
- Guangxi Zhuang and Yao Medicine Engineering Technology Research Center, Guangxi University of Chinese Medicine, Nanning, Guangxi 530200, China
| | - Bilin Yang
- Graduate College, Guangxi University of Chinese Medicine, Nanning, Guangxi 530200, China
| | - Junhong Li
- Department of Neurology, The First Affiliated Hospital of Guangxi, University of Chinese Medicine, Nanning, Guangxi 530023, China
| | - Ni Liang
- Department of Neurology, The First Affiliated Hospital of Guangxi, University of Chinese Medicine, Nanning, Guangxi 530023, China
| | - Lin Wu
- Department of Neurology, The First Affiliated Hospital of Guangxi, University of Chinese Medicine, Nanning, Guangxi 530023, China; Guangxi Key Laboratory of Chinese Medicine Foundation Research, Guangxi University of Chinese Medicine, Nanning, Guangxi 530200, China.
| | - Zahid Hussain
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates; Research Institute for Medical & Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates.
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Zhu C, Ma J, Ji Z, Shen J, Wang Q. Recent Advances of Cell Membrane Coated Nanoparticles in Treating Cardiovascular Disorders. Molecules 2021; 26:3428. [PMID: 34198794 PMCID: PMC8201295 DOI: 10.3390/molecules26113428] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/30/2021] [Accepted: 06/03/2021] [Indexed: 01/13/2023] Open
Abstract
Cardiovascular diseases (CVDs) are the leading cause of death worldwide, causing approximately 17.9 million deaths annually, an estimated 31% of all deaths, according to the WHO. CVDs are essentially rooted in atherosclerosis and are clinically classified into coronary heart disease, stroke and peripheral vascular disorders. Current clinical interventions include early diagnosis, the insertion of stents, and long-term preventive therapy. However, clinical diagnostic and therapeutic tools are subject to a number of limitations including, but not limited to, potential toxicity induced by contrast agents and unexpected bleeding caused by anti-platelet drugs. Nanomedicine has achieved great advancements in biomedical area. Among them, cell membrane coated nanoparticles, denoted as CMCNPs, have acquired enormous expectations due to their biomimetic properties. Such membrane coating technology not only helps avoid immune clearance, but also endows nanoparticles with diverse cellular and functional mimicry. In this review, we will describe the superiorities of CMCNPs in treating cardiovascular diseases and their potentials in optimizing current clinical managements.
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Affiliation(s)
- Chaojie Zhu
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China;
- Chu Kochen Honors College, Zhejiang University, Hangzhou 310058, China; (J.M.); (Z.J.)
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Junkai Ma
- Chu Kochen Honors College, Zhejiang University, Hangzhou 310058, China; (J.M.); (Z.J.)
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhiheng Ji
- Chu Kochen Honors College, Zhejiang University, Hangzhou 310058, China; (J.M.); (Z.J.)
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jie Shen
- Department of Pharmacy, School of Medicine, Zhejiang University City College, Hangzhou 310015, China
| | - Qiwen Wang
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China;
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Almalki WH, Alghamdi S, Alzahrani A, Zhang W. Emerging paradigms in treating cerebral infarction with nanotheranostics: opportunities and clinical challenges. Drug Discov Today 2020; 26:826-835. [PMID: 33383212 DOI: 10.1016/j.drudis.2020.12.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/10/2020] [Accepted: 12/21/2020] [Indexed: 12/28/2022]
Abstract
Interest is increasing in the use of nanotheranostics as diagnosis, imaging and therapeutic tools for stroke management, but movement to the clinic remains challenging.
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Affiliation(s)
- Waleed H Almalki
- Department of Pharmacology and Toxicology, College of Pharmacy, Umm al-qura University, Saudi Arabia.
| | - Saad Alghamdi
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-qura University, Makkah, Saudi Arabia
| | - Abdulaziz Alzahrani
- Department of Pharmacology, College of Clinical Pharmacy, Albaha University, Saudi Arabia
| | - Wenzhi Zhang
- Senior Research Scientist, Inn Research Sdn. Bhd., Subang Jaya, Selangor, Malaysia
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8
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Sun M, Miyazawa K, Pendekanti T, Razmi A, Firlar E, Yang S, Shokuhfar T, Li O, Li W, Sen Gupta A. Combination targeting of 'platelets + fibrin' enhances clot anchorage efficiency of nanoparticles for vascular drug delivery. NANOSCALE 2020; 12:21255-21270. [PMID: 33063812 PMCID: PMC8112300 DOI: 10.1039/d0nr03633a] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Occlusive thrombosis is a central pathological event in heart attack, stroke, thromboembolism, etc. Therefore, pharmacological thrombolysis or anticoagulation is used for treating these diseases. However, systemic administration of such drugs causes hemorrhagic side-effects. Therefore, there is significant clinical interest in strategies for enhanced drug delivery to clots while minimizing systemic effects. One such strategy is by using drug-carrying nanoparticles surface-decorated with clot-binding ligands. Efforts in this area have focused on binding to singular targets in clots, e.g. platelets, fibrin, collagen, vWF or endothelium. Targeting vWF, collagen or endothelium maybe sub-optimal since in vivo these entities will be rapidly covered by platelets and leukocytes, and thus inaccessible for sufficient nanoparticle binding. In contrast, activated platelets and fibrin are majorly accessible for particle-binding, but their relative distribution in clots is highly heterogeneous. We hypothesized that combination-targeting of 'platelets + fibrin' will render higher clot-binding efficacy of nanoparticles, compared to targeting platelets or fibrin singularly. To test this, we utilized liposomes as model nanoparticles, decorated their surface with platelet-binding peptides (PBP) or fibrin-binding peptides (FBP) or combination (PBP + FBP) at controlled compositions, and evaluated their binding to human blood clots in vitro and in a mouse thrombosis model in vivo. In parallel, we developed a computational model of nanoparticle binding to single versus combination entities in clots. Our studies indicate that combination targeting of 'platelets + fibrin' enhances the clot-anchorage efficacy of nanoparticles while utilizing lower ligand densities, compared to targeting platelets or fibrin only. These findings provide important insights for vascular nanomedicine design.
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Affiliation(s)
- Michael Sun
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA.
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9
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Kosareva A, Abou-Elkacem L, Chowdhury S, Lindner JR, Kaufmann BA. Seeing the Invisible-Ultrasound Molecular Imaging. ULTRASOUND IN MEDICINE & BIOLOGY 2020; 46:479-497. [PMID: 31899040 DOI: 10.1016/j.ultrasmedbio.2019.11.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 11/13/2019] [Accepted: 11/14/2019] [Indexed: 06/10/2023]
Abstract
Ultrasound molecular imaging has been developed in the past two decades with the goal of non-invasively imaging disease phenotypes on a cellular level not depicted on anatomic imaging. Such techniques already play a role in pre-clinical research for the assessment of disease mechanisms and drug effects, and are thought to in the future contribute to earlier diagnosis of disease, assessment of therapeutic effects and patient-tailored therapy in the clinical field. In this review, we first describe the chemical composition and structure as well as the in vivo behavior of the ultrasound contrast agents that have been developed for molecular imaging. We then discuss the strategies that are used for targeting of contrast agents to specific cellular targets and protocols used for imaging. Next we describe pre-clinical data on imaging of thrombosis, atherosclerosis and microvascular inflammation and in oncology, including the pathophysiological principles underlying the selection of targets in each area. Where applicable, we also discuss efforts that are currently underway for translation of this technique into the clinical arena.
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Affiliation(s)
- Alexandra Kosareva
- Cardiovascular Molecular Imaging, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Lotfi Abou-Elkacem
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford, California, USA
| | - Sayan Chowdhury
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford, California, USA
| | - Jonathan R Lindner
- Knight Cardiovascular Institute, Portland, Oregon, USA; Oregon National Primate Research Center, Oregon Health & Science University, Portland, Oregon, USA
| | - Beat A Kaufmann
- Cardiovascular Molecular Imaging, Department of Biomedicine, University of Basel, Basel, Switzerland; Department of Cardiology, University Hospital and University of Basel, Basel, Switzerland.
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10
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Ultrasound molecular imaging: insights into cardiovascular pathology. J Echocardiogr 2020; 18:86-93. [PMID: 32056137 PMCID: PMC7244457 DOI: 10.1007/s12574-020-00463-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/16/2020] [Accepted: 01/27/2020] [Indexed: 01/06/2023]
Abstract
Similar to what has already occurred in cancer medicine, the management of cardiovascular conditions will likely be improved by non-invasive molecular imaging technologies that can provide earlier or more accurate diagnosis. These techniques are already having a positive impact in pre-clinical research by providing insight into pathophysiology or efficacy of new therapies. Contrast enhanced ultrasound (CEU) molecular imaging is a technique that relies on the ultrasound detection of targeted microbubble contrast agents to examine molecular or cellular events that occur at the blood pool-endothelial interface. CEU molecular imaging techniques have been developed that are able to provide unique information on atherosclerosis, ischemia reperfusion injury, angiogenesis, vascular inflammation, and thrombus formation. Accordingly, CEU has the potential to be used in a wide variety of circumstances to detect disease early or at the bedside, and to guide appropriate therapy based on vascular phenotype. This review will describe the physical basis for CEU molecular imaging, and the specific disease processes for the pre-clinical translational research experience.
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Deng Y, Zhang X, Shen H, He Q, Wu Z, Liao W, Yuan M. Application of the Nano-Drug Delivery System in Treatment of Cardiovascular Diseases. Front Bioeng Biotechnol 2020; 7:489. [PMID: 32083068 PMCID: PMC7005934 DOI: 10.3389/fbioe.2019.00489] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 12/31/2019] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular diseases (CVDs) have become a serious threat to human life and health. Though many drugs acting via different mechanism of action are available in the market as conventional formulations for the treatment of CVDs, they are still far from satisfactory due to poor water solubility, low biological efficacy, non-targeting, and drug resistance. Nano-drug delivery systems (NDDSs) provide a new drug delivery method for the treatment of CVDs with the development of nanotechnology, demonstrating great advantages in solving the above problems. Nevertheless, there are some problems about NDDSs need to be addressed, such as cytotoxicity. In this review, the types and targeting strategies of NDDSs were summarized, and the new research progress in the diagnosis and therapy of CVDs in recent years was reviewed. Future prospective for nano-carriers in drug delivery for CVDs includes gene therapy, in order to provide more ideas for the improvement of cardiovascular drugs. In addition, its safety was also discussed in the review.
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Affiliation(s)
- Yudi Deng
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China.,Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Nutrition and Food Hygiene, School of Public Health, Southern Medical University, Guangzhou, China
| | - Xudong Zhang
- Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Nutrition and Food Hygiene, School of Public Health, Southern Medical University, Guangzhou, China
| | - Haibin Shen
- Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Nutrition and Food Hygiene, School of Public Health, Southern Medical University, Guangzhou, China
| | - Qiangnan He
- Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Nutrition and Food Hygiene, School of Public Health, Southern Medical University, Guangzhou, China
| | - Zijian Wu
- Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Nutrition and Food Hygiene, School of Public Health, Southern Medical University, Guangzhou, China
| | - Wenzhen Liao
- Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Nutrition and Food Hygiene, School of Public Health, Southern Medical University, Guangzhou, China
| | - Miaomiao Yuan
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
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Li S, Gou T, Wang Q, Chen M, Chen Z, Xu M, Wang Y, Han D, Cao R, Liu J, Liang P, Dai Z, Cao F. Ultrasound/Optical Dual-Modality Imaging for Evaluation of Vulnerable Atherosclerotic Plaques with Osteopontin Targeted Nanoparticles. Macromol Biosci 2019; 20:e1900279. [PMID: 31885210 DOI: 10.1002/mabi.201900279] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/26/2019] [Indexed: 11/10/2022]
Abstract
Because of the high mortality of coronary atherosclerotic heart diseases, it is necessary to develop novel early detection methods for vulnerable atherosclerotic plaques. Phenotype transformation of vascular smooth muscle cells (VSMCs) plays a vital role in progressed atherosclerotic plaques. Osteopontin (OPN) is one of the biomarkers for phenotypic conversion of VSMCs. Significant higher OPN expression is found in foam cells along with the aggravating capacity of macrophage recruitment due to its arginine-glycine-aspartate sequence and interaction with CD44. Herein, a dual-modality imaging probe, OPN targeted nanoparticles (Cy5.5-anti-OPN-PEG-PLA-PFOB, denoted as COP-NPs), is constructed to identify the molecular characteristics of high-risk atherosclerosis by ultrasound and optical imaging. Characterization, biocompatibility, good binding sensibility, and specificity are evaluated in vitro. For in vivo study, apolipoprotein E deficien (ApoE-/- ) mice fed with high fat diet for 20-24 weeks are used as atherosclerotic model. Ultrasound and optical imaging reveal that the nanoparticles are accumulated in the vulnerable atherosclerotic plaques. OPN targeted nanoparticles are demonstrated to be a good contrast agent in molecular imaging of synthetic VSMCs and foam cells, which can be a promising tool to identify the vulnerable atherosclerotic plaques.
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Affiliation(s)
- Sulei Li
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Tiantian Gou
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Qi Wang
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Min Chen
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing, 100871, China
| | - Ze Chen
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Mengqi Xu
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yabin Wang
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Dong Han
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Ruihua Cao
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Junsong Liu
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Ping Liang
- Department of Interventional Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Zhifei Dai
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing, 100871, China
| | - Feng Cao
- Medical School of Chinese PLA and National Clinical Research Center of Geriatric Disease, Second Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
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Kaviarasi S, Yuba E, Harada A, Krishnan UM. Emerging paradigms in nanotechnology for imaging and treatment of cerebral ischemia. J Control Release 2019; 300:22-45. [DOI: 10.1016/j.jconrel.2019.02.031] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 02/20/2019] [Accepted: 02/21/2019] [Indexed: 02/07/2023]
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Flores AM, Ye J, Jarr KU, Hosseini-Nassab N, Smith BR, Leeper NJ. Nanoparticle Therapy for Vascular Diseases. Arterioscler Thromb Vasc Biol 2019; 39:635-646. [PMID: 30786744 PMCID: PMC6436996 DOI: 10.1161/atvbaha.118.311569] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Nanoparticles promise to advance strategies to treat vascular disease. Since being harnessed by the cancer field to deliver safer and more effective chemotherapeutics, nanoparticles have been translated into applications for cardiovascular disease. Systemic exposure and drug-drug interactions remain a concern for nearly all cardiovascular therapies, including statins, antithrombotic, and thrombolytic agents. Moreover, off-target effects and poor bioavailability have limited the development of completely new approaches to treat vascular disease. Through the rational design of nanoparticles, nano-based delivery systems enable more efficient delivery of a drug to its therapeutic target or even directly to the diseased site, overcoming biological barriers and enhancing a drug's therapeutic index. In addition, advances in molecular imaging have led to the development of theranostic nanoparticles that may simultaneously act as carriers of both therapeutic and imaging payloads. The following is a summary of nanoparticle therapy for atherosclerosis, thrombosis, and restenosis and an overview of recent major advances in the targeted treatment of vascular disease.
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Affiliation(s)
- Alyssa M. Flores
- Department of Surgery, Division of Vascular Surgery, Stanford University School of Medicine., Hanover, NH
- Geisel School of Medicine at Dartmouth, Hanover, NH
| | - Jianqin Ye
- Department of Surgery, Division of Vascular Surgery, Stanford University School of Medicine., Hanover, NH
| | - Kai-Uwe Jarr
- Department of Surgery, Division of Vascular Surgery, Stanford University School of Medicine., Hanover, NH
| | - Niloufar Hosseini-Nassab
- Department of Radiology, Stanford University School of Medicine, Michigan State University, East Lansing, MI, USA
| | - Bryan R. Smith
- Department of Biomedical Engineering and Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA
| | - Nicholas J. Leeper
- Department of Surgery, Division of Vascular Surgery, Stanford University School of Medicine., Hanover, NH
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA
- Stanford Cardiovascular Institute, Stanford, CA 94305, USA
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15
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Huang Y, Yu L, Ren J, Gu B, Longstaff C, Hughes AD, Thom SA, Xu XY, Chen R. An activated-platelet-sensitive nanocarrier enables targeted delivery of tissue plasminogen activator for effective thrombolytic therapy. J Control Release 2019; 300:1-12. [PMID: 30807804 DOI: 10.1016/j.jconrel.2019.02.033] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 02/17/2019] [Accepted: 02/21/2019] [Indexed: 11/28/2022]
Abstract
It remains a major challenge to develop a selective and effective fibrinolytic system for thrombolysis with minimal undesirable side effects. Herein, we report a multifunctional liposomal system (164.6 ± 5.3 nm in diameter) which can address this challenge through targeted delivery and controlled release of tissue plasminogen activator (tPA) at the thrombus site. The tPA-loaded liposomes were PEGylated to improve their stability, and surface coated with a conformationally-constrained, cyclic arginine-glycine-aspartic acid (cRGD) to enable highly selective binding to activated platelets. The in vitro drug release profiles at 37 °C showed that over 90% of tPA was released through liposomal membrane destabilization involving membrane fusion upon incubation with activated platelets within 1 h, whereas passive release of the encapsulated tPA in pH 7.4 PBS buffer was 10% after 6 h. The release of tPA could be readily manipulated by changing the concentration of activated platelets. The presence of activated platelets enabled the tPA-loaded, cRGD-coated, PEGylated liposomes to induce efficient fibrin clot lysis in a fibrin-agar plate model and the encapsulated tPA retained 97.4 ± 1.7% of fibrinolytic activity as compared with that of native tPA. Furthermore, almost complete blood clot lysis was achieved in 75 min, showing considerably higher and quicker thrombolytic activity compared to the tPA-loaded liposomes without cRGD labelling. These results suggest that the nano-sized, activated-platelet-sensitive, multifunctional liposomes could facilitate selective delivery and effective release of tPA at the site of thrombus, thus achieving efficient clot dissolution whilst minimising undesirable side effects.
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Affiliation(s)
- Yu Huang
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, United Kingdom
| | - Li Yu
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, United Kingdom
| | - Jie Ren
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, United Kingdom
| | - Boram Gu
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, United Kingdom
| | - Colin Longstaff
- Biotherapeutics Section, National Institute for Biological Standards and Control, South Mimms, Herts, United Kingdom
| | - Alun D Hughes
- Institute of Cardiovascular Science, University College London, London, United Kingdom; MRC Unit for Lifelong Health and Ageing at University College London, London, United Kingdom
| | - Simon A Thom
- National Heart & Lung Institute, Imperial College London, Hammersmith Campus, London, United Kingdom
| | - Xiao Yun Xu
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, United Kingdom
| | - Rongjun Chen
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, United Kingdom.
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16
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Colasuonno M, Palange AL, Aid R, Ferreira M, Mollica H, Palomba R, Emdin M, Del Sette M, Chauvierre C, Letourneur D, Decuzzi P. Erythrocyte-Inspired Discoidal Polymeric Nanoconstructs Carrying Tissue Plasminogen Activator for the Enhanced Lysis of Blood Clots. ACS NANO 2018; 12:12224-12237. [PMID: 30427660 DOI: 10.1021/acsnano.8b06021] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Tissue plasminogen activator (tPA) is the sole approved therapeutic molecule for the treatment of acute ischemic stroke. Yet, only a small percentage of patients could benefit from this life-saving treatment because of medical contraindications and severe side effects, including brain hemorrhage, associated with delayed administration. Here, a nano therapeutic agent is realized by directly associating the clinical formulation of tPA to the porous structure of soft discoidal polymeric nanoconstructs (tPA-DPNs). The porous matrix of DPNs protects tPA from rapid degradation, allowing tPA-DPNs to preserve over 70% of the tPA original activity after 3 h of exposure to serum proteins. Under dynamic conditions, tPA-DPNs dissolve clots more efficiently than free tPA, as demonstrated in a microfluidic chip where clots are formed mimicking in vivo conditions. At 60 min post-treatment initiation, the clot area reduces by half (57 ± 8%) with tPA-DPNs, whereas a similar result (56 ± 21%) is obtained only after 90 min for free tPA. In murine mesentery venules, the intravenous administration of 2.5 mg/kg of tPA-DPNs resolves almost 90% of the blood clots, whereas a similar dose of free tPA successfully recanalizes only about 40% of the treated vessels. At about 1/10 of the clinical dose (1.0 mg/kg), tPA-DPNs still effectively dissolve 70% of the clots, whereas free tPA works efficiently only on 16% of the vessels. In vivo, discoidal tPA-DPNs outperform the lytic activity of 200 nm spherical tPA-coated nanoconstructs in terms of both percentage of successful recanalization events and clot area reduction. The conjugation of tPA with preserved lytic activity, the deformability and blood circulating time of DPNs together with the faster blood clot dissolution would make tPA-DPNs a promising nanotool for enhancing both potency and safety of thrombolytic therapies.
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Affiliation(s)
- Marianna Colasuonno
- Sant'Anna School of Advanced Studies , Piazza Martiri della Libertà, 33 , 56127 Pisa , Italy
- Laboratory of Nanotechnology for Precision Medicine , Fondazione Istituto Italiano di Tecnologia , Via Morego, 30 , 16163 Genoa , Italy
| | - Anna Lisa Palange
- Laboratory of Nanotechnology for Precision Medicine , Fondazione Istituto Italiano di Tecnologia , Via Morego, 30 , 16163 Genoa , Italy
| | - Rachida Aid
- INSERM U1148 - Laboratory for Vascular Translational Science, University Paris 13 , University Paris Diderot, X. Bichat Hospital , 46 rue Henri Huchard , 75018 Paris , France
| | - Miguel Ferreira
- Laboratory of Nanotechnology for Precision Medicine , Fondazione Istituto Italiano di Tecnologia , Via Morego, 30 , 16163 Genoa , Italy
| | - Hilaria Mollica
- Department of Informatics, Bioengineering, Robotics, and System Engineering , University of Genoa , Via Opera Pia, 13 , 16145 Genoa , Italy
- Laboratory of Nanotechnology for Precision Medicine , Fondazione Istituto Italiano di Tecnologia , Via Morego, 30 , 16163 Genoa , Italy
| | - Roberto Palomba
- Laboratory of Nanotechnology for Precision Medicine , Fondazione Istituto Italiano di Tecnologia , Via Morego, 30 , 16163 Genoa , Italy
| | - Michele Emdin
- Sant'Anna School of Advanced Studies , Piazza Martiri della Libertà, 33 , 56127 Pisa , Italy
- Fondazione Toscana G. Monasterio , Via G. Moruzzi, 1 , 56124 Pisa , Italy
| | - Massimo Del Sette
- S.C. Neurologia , E.O. Ospedali Galliera , Mura delle Cappuccine, 14 , 16128 Genova , Italy
| | - Cédric Chauvierre
- INSERM U1148 - Laboratory for Vascular Translational Science, University Paris 13 , University Paris Diderot, X. Bichat Hospital , 46 rue Henri Huchard , 75018 Paris , France
| | - Didier Letourneur
- INSERM U1148 - Laboratory for Vascular Translational Science, University Paris 13 , University Paris Diderot, X. Bichat Hospital , 46 rue Henri Huchard , 75018 Paris , France
| | - Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine , Fondazione Istituto Italiano di Tecnologia , Via Morego, 30 , 16163 Genoa , Italy
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17
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Zhang W, Wang W, Yu DX, Xiao Z, He Z. Application of nanodiagnostics and nanotherapy to CNS diseases. Nanomedicine (Lond) 2018; 13:2341-2371. [PMID: 30088440 DOI: 10.2217/nnm-2018-0163] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Alzheimer's disease, Parkinson's disease and stroke are the most common CNS diseases, all characterized by progressive cellular dysfunction and death in specific areas of the nervous system. Therapeutic development for these diseases has lagged behind other disease areas due to difficulties in early diagnosis, long disease courses and drug delivery challenges, not least due to the blood-brain barrier. Over recent decades, nanotechnology has been explored as a potential tool for the diagnosis, treatment and monitoring of CNS diseases. In this review, we describe the application of nanotechnology to common CNS diseases, highlighting disease pathogenesis and the underlying mechanisms and promising functional outcomes that make nanomaterials ideal candidates for early diagnosis and therapy. Moreover, we discuss the limitations of nanotechnology, and possible solutions.
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Affiliation(s)
- Weiyuan Zhang
- Yunnan Key Laboratory of Stem Cell & Regenerative Medicine, Institute of Molecular & Clinical Medicine, Kunming Medical University, Kunming 650500, PR China
| | - Wenyue Wang
- Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
| | - David X Yu
- Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
| | - Zhicheng Xiao
- Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
| | - Zhiyong He
- Yunnan Key Laboratory of Stem Cell & Regenerative Medicine, Institute of Molecular & Clinical Medicine, Kunming Medical University, Kunming 650500, PR China.,Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
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18
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Carvalho PM, Felício MR, Santos NC, Gonçalves S, Domingues MM. Application of Light Scattering Techniques to Nanoparticle Characterization and Development. Front Chem 2018; 6:237. [PMID: 29988578 PMCID: PMC6026678 DOI: 10.3389/fchem.2018.00237] [Citation(s) in RCA: 136] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 06/04/2018] [Indexed: 01/07/2023] Open
Abstract
Over the years, the scientific importance of nanoparticles for biomedical applications has increased. The high stability and biocompatibility, together with the low toxicity of the nanoparticles developed lead to their use as targeted drug delivery systems, bioimaging systems, and biosensors. The wide range of nanoparticles size, from 10 nm to 1 μm, as well as their optical properties, allow them to be studied using microscopy and spectroscopy techniques. In order to be effectively used, the physicochemical properties of nanoparticle formulations need to be taken into account, namely, particle size, surface charge distribution, surface derivatization and/or loading capacity, and related interactions. These properties need to be optimized considering the final nanoparticle intended biodistribution and target. In this review, we cover light scattering based techniques, namely dynamic light scattering and zeta-potential, used for the physicochemical characterization of nanoparticles. Dynamic light scattering is used to measure nanoparticles size, but also to evaluate their stability over time in suspension, at different pH and temperature conditions. Zeta-potential is used to characterize nanoparticles surface charge, obtaining information about their stability and surface interaction with other molecules. In this review, we focus on nanoparticle characterization and application in infection, cancer and cardiovascular diseases.
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Affiliation(s)
- Patrícia M Carvalho
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Mário R Felício
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Nuno C Santos
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Sónia Gonçalves
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Marco M Domingues
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
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19
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Li X, Sui Z, Li X, Xu W, Guo Q, Sun J, Jing F. Perfluorooctylbromide nanoparticles for ultrasound imaging and drug delivery. Int J Nanomedicine 2018; 13:3053-3067. [PMID: 29872293 PMCID: PMC5975599 DOI: 10.2147/ijn.s164905] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Perfluorooctylbromide nanoparticles (PFOB NPs) are a type of multifunctional nanotechnology that has been studied for various medical applications. Commercial ultrasound contrast agents (UCAs) suffer from the following limitations: short half-lives in vivo, high background signal and restricted distribution in the vascular circulation due to their micrometer dimensions. PFOB NPs are new potential UCAs that persist for long periods in the circulatory system, possess a relatively stable echogenic response without increasing the background signal and exhibit lower acoustic attenuation than commercial UCAs. Furthermore, PFOB NPs may also serve as drug delivery vehicles in which drugs are dissolved in the outer lipid or polymer layer for subsequent delivery to target sites in site-targeted therapy. The use of PFOB NPs as carriers has the potential advantage of selectively delivering payloads to the target site while improving visualization of the site using ultrasound (US) imaging. Unfortunately, the application of PFOB NPs to the field of ultrasonography has been limited because of the low intensity of US reflection. Numerous researchers have realized the potential use of PFOB NPs as UCAs and thus have developed alternative approaches to apply PFOB NPs in ultrasonography. In this article, we review the latest approaches for using PFOB NPs to enhance US imaging in vivo. In addition, this article emphasizes the application of PFOB NPs as promising drug delivery carriers for cancer and atherosclerosis treatments, as PFOB NPs can transport different drug payloads for various applications with good efficacy. We also note the challenges and future study directions for the application of PFOB NPs as both a delivery system for therapeutic agents and a diagnostic agent for ultrasonography.
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Affiliation(s)
- Xiao Li
- Department of Clinical Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, People's Republic of China
| | - Zhongguo Sui
- Department of Clinical Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, People's Republic of China
| | - Xin Li
- Department of Clinical Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, People's Republic of China
| | - Wen Xu
- Department of Clinical Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, People's Republic of China
| | - Qie Guo
- Department of Clinical Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, People's Republic of China
| | - Jialin Sun
- Department of Clinical Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, People's Republic of China
| | - Fanbo Jing
- Department of Clinical Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, People's Republic of China
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20
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Lux J, Vezeridis AM, Hoyt K, Adams SR, Armstrong AM, Sirsi SR, Mattrey RF. Thrombin-Activatable Microbubbles as Potential Ultrasound Contrast Agents for the Detection of Acute Thrombosis. ACS APPLIED MATERIALS & INTERFACES 2017; 9:37587-37596. [PMID: 28994575 PMCID: PMC5691601 DOI: 10.1021/acsami.7b10592] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Acute deep vein thrombosis (DVT) is the formation of a blood clot in the deep veins of the body that can lead to fatal pulmonary embolism. Acute DVT is difficult to distinguish from chronic DVT by ultrasound (US), the imaging modality of choice, and is therefore treated aggressively with anticoagulants, which can lead to internal bleeding. Here we demonstrate that conjugating perfluorobutane-filled (PFB-filled) microbubbles (MBs) with thrombin-sensitive activatable cell-penetrating peptides (ACPPs) could lead to the development of contrast agents that detect acute thrombosis with US imaging. Successful conjugation of ACPP to PFB-filled MBs was confirmed by fluorescence microscopy and flow cytometry. Fluorescein-labeled ACPP was used to evaluate the efficiency of thrombin-triggered cleavage by measuring the mean fluorescence intensity of ACPP-labeled MBs (ACPP-MBs) before and after incubation at 37 °C with thrombin. Lastly, control MBs and ACPP-MBs were infused through a tube containing a clot, and US contrast enhancement was measured with or without the presence of a thrombin inhibitor after washing the clot with saline. With thrombin activity, 91.7 ± 14.2% of the signal was retained after ACPP-MB infusion and washing, whereas only 16.7 ± 4% of the signal was retained when infusing ACPP-MBs in the presence of hirudin, a potent thrombin inhibitor.
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Affiliation(s)
- Jacques Lux
- Department of Radiology, Translational Research in Ultrasound Theranostics (TRUST) Program, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-8514, United States
| | - Alexander M. Vezeridis
- Department of Radiology, University of California, San Diego, La Jolla, California 92093, United States
| | - Kenneth Hoyt
- Department of Radiology, Translational Research in Ultrasound Theranostics (TRUST) Program, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-8514, United States
- Department of Bioengineering, University of Texas at Dallas, Richardson, Texas 75080, United States
| | - Stephen R. Adams
- Department of Pharmacology, University of California, San Diego, La Jolla, California 92093, United States
| | - Amanda M. Armstrong
- Department of Radiology, Translational Research in Ultrasound Theranostics (TRUST) Program, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-8514, United States
| | - Shashank R. Sirsi
- Department of Radiology, Translational Research in Ultrasound Theranostics (TRUST) Program, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-8514, United States
- Department of Bioengineering, University of Texas at Dallas, Richardson, Texas 75080, United States
| | - Robert F. Mattrey
- Department of Radiology, Translational Research in Ultrasound Theranostics (TRUST) Program, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-8514, United States
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21
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Pawlowski CL, Li W, Sun M, Ravichandran K, Hickman D, Kos C, Kaur G, Sen Gupta A. Platelet microparticle-inspired clot-responsive nanomedicine for targeted fibrinolysis. Biomaterials 2017; 128:94-108. [PMID: 28314136 PMCID: PMC6526940 DOI: 10.1016/j.biomaterials.2017.03.012] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Revised: 03/02/2017] [Accepted: 03/10/2017] [Indexed: 12/14/2022]
Abstract
Intravascular administration of plasminogen activators is a clinically important thrombolytic strategy to treat occlusive vascular conditions. A major issue with this strategy is the systemic off-target drug action, which affects hemostatic capabilities and causes substantial hemorrhagic risks. This issue can be potentially resolved by designing technologies that allow thrombus-targeted delivery and site-specific action of thrombolytic drugs. To this end, leveraging a liposomal platform, we have developed platelet microparticle (PMP)-inspired nanovesicles (PMINs), that can protect encapsulated thrombolytic drugs in circulation to prevent off-target uptake and action, anchor actively onto thrombus via PMP-relevant molecular mechanisms and allow drug release via thrombus-relevant enzymatic trigger. Specifically, the PMINs can anchor onto thrombus via heteromultivalent ligand-mediated binding to active platelet integrin GPIIb-IIIa and P-selectin, and release the thrombolytic payload due to vesicle destabilization triggered by clot-relevant enzyme phospholipase-A2. Here we report on the evaluation of clot-targeting efficacy, lipase-triggered drug release and resultant thrombolytic capability of the PMINs in vitro, and subsequently demonstrate that intravenous delivery of thrombolytic-loaded PMINs can render targeted fibrinolysis without affecting systemic hemostasis, in vivo, in a carotid artery thrombosis model in mice. Our studies establish significant promise of the PMIN technology for safe and site-targeted nanomedicine therapies in the vascular compartment.
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Affiliation(s)
- Christa L Pawlowski
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA
| | - Wei Li
- Cleveland Clinic Foundation, Department of Cellular and Molecular Medicine, Cleveland, OH 44195, USA
| | - Michael Sun
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA
| | | | - DaShawn Hickman
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA
| | - Clarissa Kos
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA
| | - Gurbani Kaur
- Hathaway Brown School, Shaker Heights, OH 44122, USA
| | - Anirban Sen Gupta
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA.
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22
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Natchimuthu V, Thomas S, Ramalingam M, Ravi S. Influence of perfluorocarbons on Carbamazepine and Benzodiazepine for a neuro-lung protective strategy. J Clin Neurosci 2017; 43:82-88. [PMID: 28528895 DOI: 10.1016/j.jocn.2017.04.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 04/22/2017] [Indexed: 11/29/2022]
Abstract
Lennox-Gastaut syndrome (LGS) is commonly characterized by a triad of features including multiple seizure types, intellectual disability or regression. LGS type of seizures is epilepsy which is due to abnormal vibrations occurring in seizures. During the time of such abnormal vibrations, both the seizures and the lungs suffer a lack in oxygen content to a considerable extent. This results in prolonged vibrations and loses of nervous control. As a neuro-lung protective strategy, a novel attempt has been made to enrich both seizures and lungs with oxygen content through the support of Perfluorodecalin (an excellent oxygen carrier) C10F18 (PFD) and Perfluorohexane C6F14 (PFH) along with an enhancement in the antiepileptic activity by the two chosen antiepileptic drugs (AEDs) Carbamazepine (CBZ) and Benzodiazepine (BDZ). Perfluorodecalin C10F18 (PFD) and Perfluorohexane C6F14 (PFH) emulsions were prepared by sonication process with combination of nonionic emulsifier, Lecithin (l-α-phosphatidylcholine) as a surfactant in Aqueous phase medium. These emulsions were mixed with Carbamazepine (CBZ) and Benzodiazepine (BDZ) drugs maintained at a temperature of about -20°C to 20°C and were set to slow evaporation process. The products are subjected to Optical microscope, Transmission electron microscopy (TEM) and Scanning Electron Microscope (SEM) - Energy dispersive X-ray Spectroscopy (EDS). Study reveals the co-existence of fluorine and drug ensuring the oxygen uptake by the drug. Morphology of TEM, Optical microscopic images and the particle diameter estimated through Image_J confirms this analysis.
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Affiliation(s)
- V Natchimuthu
- PG & Research Department of Physics, National College (Affiliated to Bharathidasan University), Tiruchirappalli, Tamilnadu 620 001, India.
| | - Sabu Thomas
- International and Interuniversity Centre for Nanoscience and Nanotechnology, School of Chemical Sciences, Mahatma Gandhi University, Kottayam, Kerala 686 560, India.
| | - Murugan Ramalingam
- Associé des Universités, Faculty of Medicine, University of Strasbourg, 67085 Strasbourg Cedex, France.
| | - S Ravi
- PG & Research Department of Physics, National College (Affiliated to Bharathidasan University), Tiruchirappalli, Tamilnadu 620 001, India.
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23
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Translational initiatives in thrombolytic therapy. Front Med 2017; 11:1-19. [DOI: 10.1007/s11684-017-0497-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 10/10/2016] [Indexed: 01/26/2023]
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24
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Natchimuthu V, Jayalatha KA, Ravi S. Characterizing the molecular interaction of perfluorocarbons with carbamazepine and benzodiazepine using photo-acoustic studies. J Mol Liq 2016. [DOI: 10.1016/j.molliq.2016.02.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Palekar RU, Jallouk AP, Lanza GM, Pan H, Wickline SA. Molecular imaging of atherosclerosis with nanoparticle-based fluorinated MRI contrast agents. Nanomedicine (Lond) 2016; 10:1817-32. [PMID: 26080701 DOI: 10.2217/nnm.15.26] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
As atherosclerosis remains one of the most prevalent causes of patient mortality, the ability to diagnose early signs of plaque rupture and thrombosis represents a significant clinical need. With recent advances in nanotechnology, it is now possible to image specific molecular processes noninvasively with MRI, using various types of nanoparticles as contrast agents. In the context of cardiovascular disease, it is possible to specifically deliver contrast agents to an epitope of interest for detecting vascular inflammatory processes, which serve as predecessors to atherosclerotic plaque development. Herein, we review various applications of nanotechnology in detecting atherosclerosis using MRI, with an emphasis on perfluorocarbon nanoparticles and fluorine imaging, along with theranostic prospects of nanotechnology in cardiovascular disease.
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Affiliation(s)
- Rohun U Palekar
- Department of Biomedical Engineering, Washington University, Whitaker Hall, Campus Box 1097, One Brookings Drive, St. Louis, MO 63130, USA
| | - Andrew P Jallouk
- Department of Medicine, Washington University, Campus Box 8215, 4320 Forest Park Avenue, St Louis, MO 63108, USA
| | - Gregory M Lanza
- Department of Biomedical Engineering, Washington University, Whitaker Hall, Campus Box 1097, One Brookings Drive, St. Louis, MO 63130, USA.,Department of Medicine, Washington University, Campus Box 8215, 4320 Forest Park Avenue, St Louis, MO 63108, USA
| | - Hua Pan
- Department of Medicine, Washington University, Campus Box 8215, 4320 Forest Park Avenue, St Louis, MO 63108, USA
| | - Samuel A Wickline
- Department of Biomedical Engineering, Washington University, Whitaker Hall, Campus Box 1097, One Brookings Drive, St. Louis, MO 63130, USA.,Department of Medicine, Washington University, Campus Box 8215, 4320 Forest Park Avenue, St Louis, MO 63108, USA
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26
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Haršány M, Tsivgoulis G, Alexandrov AV. Ultrasonography. Stroke 2016. [DOI: 10.1016/b978-0-323-29544-4.00046-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Ambesh P, Angeli DG. Nanotechnology in neurology: Genesis, current status, and future prospects. Ann Indian Acad Neurol 2015; 18:382-6. [PMID: 26713006 PMCID: PMC4683873 DOI: 10.4103/0972-2327.169535] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Nanotechnology is a promising, novel field of technological development. There is great potential in research and clinical applications for neurological diseases. Here we chronicle the inception of nanotechnology, discuss its integration with neurology, and highlight the challenges in current application. Some of the problems involving practical use of neuronanotechnology are direct biological toxicity, visualization of the nanodevice, and the short life expectancy of nanomachinery. Neuron cell therapy is an upcoming field for the treatment of challenging problems in neurology. Peptide nanofibers based on amphiphilic molecules have been developed that can autoregulate their structure depending on the conditions of the surrounding milieu. Such frameworks are promising for serving as drug delivery systems or communication bridges between damaged neurons. For common disabling diseases such as Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), and multiple sclerosis (MS), recent developments have seen revolutionary nanotech-based novelties, which are discussed here in detail. Bioimaging integrated with nanoneuromedicine has opened up new doors for cancer and infection therapeutics.
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Affiliation(s)
- Paurush Ambesh
- Department of Internal Medicine, Moti Lal Nehru Medical College, Allahabad, Uttar Pradesh, India
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Schmieder AH, Caruthers SD, Keupp J, Wickline SA, Lanza GM. Recent Advances in 19Fluorine Magnetic Resonance Imaging with Perfluorocarbon Emulsions. ENGINEERING (BEIJING, CHINA) 2015; 1:475-489. [PMID: 27110430 PMCID: PMC4841681 DOI: 10.15302/j-eng-2015103] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The research roots of 19fluorine (19F) magnetic resonance imaging (MRI) date back over 35 years. Over that time span, 1H imaging flourished and was adopted worldwide with an endless array of applications and imaging approaches, making magnetic resonance an indispensable pillar of biomedical diagnostic imaging. For many years during this timeframe, 19F imaging research continued at a slow pace as the various attributes of the technique were explored. However, over the last decade and particularly the last several years, the pace and clinical relevance of 19F imaging has exploded. In part, this is due to advances in MRI instrumentation, 19F/1H coil designs, and ultrafast pulse sequence development for both preclinical and clinical scanners. These achievements, coupled with interest in the molecular imaging of anatomy and physiology, and combined with a cadre of innovative agents, have brought the concept of 19F into early clinical evaluation. In this review, we attempt to provide a slice of this rich history of research and development, with a particular focus on liquid perfluorocarbon compound-based agents.
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Affiliation(s)
- Anne H. Schmieder
- Division of Cardiology, Washington University School of Medical, St. Louis, MO 63110, USA
| | - Shelton D. Caruthers
- Toshiba Medical Research Institute USA, Inc., Cleveland, OH 44143, USA
- Department of Biomedical Engineering, Washington University, St. Louis, MO 63130, USA
| | - Jochen Keupp
- Philips Research Hamburg, Hamburg 22335, Germany
| | - Samuel A. Wickline
- Division of Cardiology, Washington University School of Medical, St. Louis, MO 63110, USA
| | - Gregory M. Lanza
- Division of Cardiology, Washington University School of Medical, St. Louis, MO 63110, USA
- Correspondence author.
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Gendelman HE, Mosley RL, Boska MD, McMillan J. The promise of nanoneuromedicine. Nanomedicine (Lond) 2014; 9:171-6. [PMID: 24552556 DOI: 10.2217/nnm.14.17] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Howard E Gendelman
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA.
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El-Sherbiny IM, Elkholi IE, Yacoub MH. Tissue plasminogen activator-based clot busting: Controlled delivery approaches. Glob Cardiol Sci Pract 2014; 2014:336-49. [PMID: 25780787 PMCID: PMC4352685 DOI: 10.5339/gcsp.2014.46] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 09/18/2014] [Indexed: 01/06/2023] Open
Abstract
Cardiovascular diseases are the leading cause of death worldwide. Thrombosis, the formation of blood clot (thrombus) in the circulatory system obstructing the blood flow, is one of the main causes behind various ischemic arterial syndromes such as ischemic stroke and myocardial infarction, as well as vein syndromes such as deep vein thrombosis, and consequently, pulmonary emboli. Several thrombolytic agents have been developed for treating thrombosis, the most common being tissue plasminogen activator (tPA), administrated systemically or locally via IV infusion directly proximal to the thrombus, with the aim of restoring and improving the blood flow. TPA triggers the dissolution of thrombi by inducing the conversion of plasminogen to protease plasmin followed by fibrin digestion that eventually leads to clot lysis. Although tPA provides powerful thrombolytic activity, it has many shortcomings, including poor pharmacokinetic profiles, impairment of the reestablishment of normal coronary flow, and impairment of hemostasis, leading to life-threatening bleeding consequences. The bleeding consequence is ascribed to the ability of tPA to circulate throughout the body and therefore can lysis all blood clots in the circulation system, even the good ones that prevent the bleeding and promote injury repair. This review provides an overview of the different delivery approaches for tPA including: liposomes, ultrasound-triggered thrombolysis, anti-fibrin antibody-targeted tPA, camouflaged-tPA, tpA-loaded microcarriers, and nano-modulated delivery approaches.
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Affiliation(s)
- Ibrahim M El-Sherbiny
- Zewail City of Science and Technology, Center for Materials Science, University of Science and Technology, 6th October City, 12588 Giza, Egypt
| | - Islam E Elkholi
- Medical Experimental Research Center, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Magdi H Yacoub
- Harefield Heart Science Centre, National Heart and Lung Institute, Imperial College, London, UK
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Zhang J, Ma G, Lv Z, Zhou Y, Wen C, Wu Y, Xu R. Targeted thrombolysis strategies for neuroprotective effect. Neural Regen Res 2014; 9:1316-22. [PMID: 25221585 PMCID: PMC4160859 DOI: 10.4103/1673-5374.137580] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/12/2014] [Indexed: 12/24/2022] Open
Abstract
Stroke is usually treated by systemic thrombolytic therapy if the patient presents within an appropriate time window. There is also widespread interest in the development of thrombolytic agents that can be used in cases of delayed presentation. Current agents that can be used in cases of delayed presentation of nerve damage by thrombus. Current systemic thrombolytic therapy is associated with adverse effects such as fibrinogenolysis and bleeding. In an attempt to increase the efficacy, safety, and specificity of thrombolytic therapy, a number of targeted thrombolytic agents have been studied in recent years. This review focuses on the concepts underlying targeted thrombolytic therapy and describes recent drug developments in this field.
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Affiliation(s)
- Junping Zhang
- School of Biomedical Sciences, Huaqiao University & Engineering Research Center of Molicular Medicine, Ministry of Education, Xiamen, Fujian Province, China
| | - Guoxing Ma
- School of Biomedical Sciences, Huaqiao University & Engineering Research Center of Molicular Medicine, Ministry of Education, Xiamen, Fujian Province, China
| | - Zhimin Lv
- School of Biomedical Sciences, Huaqiao University & Engineering Research Center of Molicular Medicine, Ministry of Education, Xiamen, Fujian Province, China
| | - Yu Zhou
- School of Biomedical Sciences, Huaqiao University & Engineering Research Center of Molicular Medicine, Ministry of Education, Xiamen, Fujian Province, China
| | - Chunguang Wen
- School of Biomedical Sciences, Huaqiao University & Engineering Research Center of Molicular Medicine, Ministry of Education, Xiamen, Fujian Province, China
| | - Yaqing Wu
- School of Biomedical Sciences, Huaqiao University & Engineering Research Center of Molicular Medicine, Ministry of Education, Xiamen, Fujian Province, China
| | - Ruian Xu
- School of Biomedical Sciences, Huaqiao University & Engineering Research Center of Molicular Medicine, Ministry of Education, Xiamen, Fujian Province, China
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Cheng R, Huang W, Huang L, Yang B, Mao L, Jin K, ZhuGe Q, Zhao Y. Acceleration of tissue plasminogen activator-mediated thrombolysis by magnetically powered nanomotors. ACS NANO 2014; 8:7746-54. [PMID: 25006696 PMCID: PMC4148143 DOI: 10.1021/nn5029955] [Citation(s) in RCA: 116] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 07/09/2014] [Indexed: 05/21/2023]
Abstract
Dose control and effectiveness promotion of tissue plasminogen activator (t-PA) for thrombolysis are vitally important to alleviate serious side effects such as hemorrhage in stroke treatments. In order to increase the effectiveness and reduce the risk of stroke treatment, we use rotating magnetic nanomotors to enhance the mass transport of t-PA molecules at the blood clot interface for local ischemic stroke therapy. The in vitro experiments demonstrate that, when combined with magnetically activated nanomotors, the thrombolysis speed of low-concentration t-PA (50 μg mL(-1)) can be enhanced up to 2-fold, to the maximum lysis speed at high t-PA concentration. Based on the convection enhanced transport theory due to rotating magnetic nanomotors, a theoretical model is proposed and predicts the experimental results reasonably well. The validity and efficiency of this enhanced treatment has been demonstrated in a rat embolic model.
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Affiliation(s)
- Rui Cheng
- College of Engineering and Department of Physics and Astronomy, Nanoscale Science and Engineering Center, University of Georgia, Athens, Georgia 30602, United States
| | - Weijie Huang
- College of Engineering and Department of Physics and Astronomy, Nanoscale Science and Engineering Center, University of Georgia, Athens, Georgia 30602, United States
| | - Lijie Huang
- Department of Pharmacology and Neuroscience, Institute for Alzheimer’s Disease and Aging Research, University of North Texas Health Science Center, Fort Worth, Texas 76107, United States
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Bo Yang
- Department of Mechanical and Aerospace Engineering, University of Texas, Arlington, Texas 76019, United States
| | - Leidong Mao
- College of Engineering and Department of Physics and Astronomy, Nanoscale Science and Engineering Center, University of Georgia, Athens, Georgia 30602, United States
- Address correspondence to ,
| | - Kunlin Jin
- Department of Pharmacology and Neuroscience, Institute for Alzheimer’s Disease and Aging Research, University of North Texas Health Science Center, Fort Worth, Texas 76107, United States
| | - Qichuan ZhuGe
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Yiping Zhao
- College of Engineering and Department of Physics and Astronomy, Nanoscale Science and Engineering Center, University of Georgia, Athens, Georgia 30602, United States
- Address correspondence to ,
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Li X, Qin F, Yang L, Mo L, Li L, Hou L. Sulfatide-containing lipid perfluorooctylbromide nanoparticles as paclitaxel vehicles targeting breast carcinoma. Int J Nanomedicine 2014; 9:3971-85. [PMID: 25170267 PMCID: PMC4145830 DOI: 10.2147/ijn.s67343] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Targeted nanoparticle (NP) delivery vehicles are emerging technologies, the full potential of which has yet to be realized. Sulfatide is known to bind to extracellular matrix glycoproteins that are highly expressed in breast tumors. In this study, we report for the first time the combination of sulfatide and lipid perfluorooctylbromide NPs as a targeted breast cancer delivery vehicle for paclitaxel (PTX). PTX-sulfatide-containing lipid perfluorooctylbromide NPs (PTX-SNPs) were prepared using the emulsion/solvent evaporation method. PTX-SNPs exhibited a spherical shape, small particle size, high encapsulation efficiency, and a biphasic release in phosphate-buffered solution. The cytotoxicity study and cell apoptosis assay revealed that blank sulfatide-containing lipid perfluorooctylbromide NPs (SNPs) had no cytotoxicity, whereas PTX-SNPs had greater EMT6 cytotoxicity levels than PTX-lipid perfluorooctylbromide NPs (PTX-NPs) and free PTX. An in vitro cellular uptake study revealed that SNPs can deliver greater amounts of drug with more efficient and immediate access to intracellular targets. In vivo biodistribution measured using high-performance liquid chromatography confirmed that the PTX-SNPs can target breast tumor tissues to increase the accumulation of PTX in these tissues. The in vivo tumor inhibition ability of PTX-SNPs was remarkably higher than PTX-NPs and free PTX. Furthermore, toxicity studies suggested that the blank SNPs had no systemic toxicity. All results suggested that SNPs may serve as efficient PTX delivery vehicles targeting breast carcinoma.
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Affiliation(s)
- Xiao Li
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Fei Qin
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Li Yang
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Liqian Mo
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Lei Li
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Lianbing Hou
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
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Winter PM. Perfluorocarbon nanoparticles: evolution of a multimodality and multifunctional imaging agent. SCIENTIFICA 2014; 2014:746574. [PMID: 25024867 PMCID: PMC4082945 DOI: 10.1155/2014/746574] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2013] [Accepted: 05/20/2014] [Indexed: 06/03/2023]
Abstract
Perfluorocarbon nanoparticles offer a biologically inert, highly stable, and nontoxic platform that can be specifically designed to accomplish a range of molecular imaging and drug delivery functions in vivo. The particle surface can be decorated with targeting ligands to direct the agent to a variety of biomarkers that are associated with diseases such as cancer, cardiovascular disease, obesity, and thrombosis. The surface can also carry a high payload of imaging agents, ranging from paramagnetic metals for MRI, radionuclides for nuclear imaging, iodine for CT, and florescent tags for histology, allowing high sensitivity mapping of cellular receptors that may be expressed at very low levels in the body. In addition to these diagnostic imaging applications, the particles can be engineered to carry highly potent drugs and specifically deposit them into cell populations that display biosignatures of a variety of diseases. The highly flexible and robust nature of this combined molecular imaging and drug delivery vehicle has been exploited in a variety of animal models to demonstrate its potential impact on the care and treatment of patients suffering from some of the most debilitating diseases.
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Affiliation(s)
- Patrick M. Winter
- Department of Radiology, Cincinnati Children's Hospital, Cincinnati, OH 45229, USA
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Abstract
There has been a significant amount of research done on liposomes and nanoparticles as drug carriers for protein drugs. Proteins and enzymes have been used both as targeting moieties and for their therapeutic potential. High specificity and rapid reaction rates make proteins and enzymes excellent candidates for therapeutic treatment, but some limitations exist. Many of these limitations can be addressed by a well studied nanotechnology based delivery system. Such a system can provide a medium for delivery, stabilization of the drugs, and enable site specific accumulation of drugs. Nanomedicines such as these have great potential to revolutionize the pharmaceutical industry and improve healthcare worldwide.
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Affiliation(s)
- John N Barry
- Department of Bioengineering, Clemson University, 301 Rhodes Hall, Clemson, SC 29634, United States,
| | - Alexey A Vertegel
- Department of Bioengineering, Clemson University, 301 Rhodes Hall, Clemson, SC 29634, United States,
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Ilinskaya AN, Dobrovolskaia MA. Nanoparticles and the blood coagulation system. Part I: benefits of nanotechnology. Nanomedicine (Lond) 2013; 8:773-84. [PMID: 23656264 DOI: 10.2217/nnm.13.48] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Nanotechnology is proven to provide certain benefits in drug delivery by improving solubility, increasing uptake to target sites and changing pharmacokinetics profiles of traditional drugs. Since properties of many materials change tremendously at the nanoscale levels, nanotechnology is also being explored in various industrial applications. As such, nanoparticles are rapidly entering various areas of industry, biology and medicine. The benefits of using nanotechnology for industrial and biomedical applications are often tempered by concerns about the safety of these new materials. One such area of concern includes their effect on the immune system. While nanoparticle interactions with various constituents of the immune system have been reviewed before, little attention was given to nanoparticle effects on the blood coagulation system. Nanoparticle interface with the blood coagulation system may lead to either benefits to the host or adverse reactions. This article reviews recent advances in our understanding of nanoparticle interactions with plasma coagulation factors, platelets, endothelial cells and leukocytes. Part I is focused on desirable interactions between nanoparticles and the coagulation system, and discusses benefits of using nanotechnology to intervene in coagulation disorders. Undesirable interactions posing safety concerns are covered in part II, which will be published in the June issue of Nanomedicine.
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Affiliation(s)
- Anna N Ilinskaya
- Nanotechnology Characterization Laboratory, Advanced Technology Program, SAIC-Frederick Inc., NCI-Frederick, 1050 Boyles Street, Building 469, Frederick, MD 21702, USA
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Preparation and characterization of anionic oligopeptide-modified tissue plasminogen activator for triggered delivery: An approach for localized thrombolysis. Thromb Res 2013; 131:e91-9. [DOI: 10.1016/j.thromres.2012.11.030] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Revised: 11/16/2012] [Accepted: 11/27/2012] [Indexed: 01/15/2023]
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Influences of microbubble diameter and ultrasonic parameters on in vitro sonothrombolysis efficacy. J Vasc Interv Radiol 2012; 23:1677-1684.e1. [PMID: 23106936 DOI: 10.1016/j.jvir.2012.08.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Revised: 08/07/2012] [Accepted: 08/13/2012] [Indexed: 12/20/2022] Open
Abstract
PURPOSE To quantify the effects of microbubble (MB) size, elasticity, and pulsed ultrasonic parameters on in vitro sonothrombolysis (ultrasound [US]-mediated thrombolysis) efficacy. MATERIALS AND METHODS Monodispersive MBs with diameters of 1 μm or 3 μm were exposed to pulsed US (1 MHz or 3 MHz) to lyse rabbit blood clots. Sonothrombolysis efficacy (clot mass loss) was measured as functions of MB size and concentration, ultrasonic frequency and intensity, pulse duration (PD), pulse repeat frequency (PRF), and duty factor. RESULTS Sonothrombolysis at 1 MHz was more effective using 3-μm MBs and at 3 MHz using 1-μm MBs. Sonothrombolysis was more effective at 1 MHz when≥75% of MBs remained intact, especially for 3-μm MBs; improving sonothrombolysis by increasing PRF from 100 Hz to 400 Hz at 3 MHz was associated with increasing 3-μm MB survival. However, 60% of 1-μm MBs were destroyed during maximal sonothrombolysis at 3 MHz, indicating that considerable MB collapse may be required for sonothrombolysis under these conditions. CONCLUSIONS The ability to control MB size and elasticity permits using a wide range of US parameters (eg, frequency, intensity) to produce desired levels of sonothrombolysis. Comparable, maximal sonothrombolysis efficacy was achieved at 20-fold lower intensity with 3-μm MBs (0.1W/cm(2)) than with 1-μm MBs (2.0W/cm(2)), a potential safety issue for in vivo sonothrombolysis. US parameters that maximized MB survival yielded maximal sonothrombolysis efficacy except with 1-μm MBs at 3MHz where most MBs were destroyed.
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Meairs S, Alonso A, Hennerici MG. Progress in Sonothrombolysis for the Treatment of Stroke. Stroke 2012; 43:1706-10. [DOI: 10.1161/strokeaha.111.636332] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Stephen Meairs
- From the Department of Neurology, Universitätsmedizin Mannheim, University of Heidelberg, Mannheim, Germany
| | - Angelika Alonso
- From the Department of Neurology, Universitätsmedizin Mannheim, University of Heidelberg, Mannheim, Germany
| | - Michael G. Hennerici
- From the Department of Neurology, Universitätsmedizin Mannheim, University of Heidelberg, Mannheim, Germany
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Wong HL, Wu XY, Bendayan R. Nanotechnological advances for the delivery of CNS therapeutics. Adv Drug Deliv Rev 2012; 64:686-700. [PMID: 22100125 DOI: 10.1016/j.addr.2011.10.007] [Citation(s) in RCA: 341] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2011] [Accepted: 10/27/2011] [Indexed: 12/18/2022]
Abstract
Effective non-invasive treatment of neurological diseases is often limited by the poor access of therapeutic agents into the central nervous system (CNS). The majority of drugs and biotechnological agents do not readily permeate into brain parenchyma due to the presence of two anatomical and biochemical dynamic barriers: the blood-brain barrier (BBB) and blood-cerebrospinal fluid barrier (BCSFB). Therefore, one of the most significant challenges facing CNS drug development is the availability of effective brain targeting technology. Recent advances in nanotechnology have provided promising solutions to this challenge. Several nanocarriers ranging from the more established systems, e.g. polymeric nanoparticles, solid lipid nanoparticles, liposomes, micelles to the newer systems, e.g. dendrimers, nanogels, nanoemulsions and nanosuspensions have been studied for the delivery of CNS therapeutics. Many of these nanomedicines can be effectively transported across various in vitro and in vivo BBB models by endocytosis and/or transcytosis, and demonstrated early preclinical success for the management of CNS conditions such as brain tumors, HIV encephalopathy, Alzheimer's disease and acute ischemic stroke. Future development of CNS nanomedicines need to focus on increasing their drug-trafficking performance and specificity for brain tissue using novel targeting moieties, improving their BBB permeability and reducing their neurotoxicity.
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McCarthy JR, Jaffer FA. The role of nanomedicine in the imaging and therapy of thrombosis. Nanomedicine (Lond) 2012; 6:1291-3. [PMID: 22026372 DOI: 10.2217/nnm.11.128] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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McCarthy JR, Sazonova IY, Erdem SS, Hara T, Thompson BD, Patel P, Botnaru I, Lin CP, Reed GL, Weissleder R, Jaffer FA. Multifunctional nanoagent for thrombus-targeted fibrinolytic therapy. Nanomedicine (Lond) 2012; 7:1017-28. [PMID: 22348271 DOI: 10.2217/nnm.11.179] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Current thrombolytic therapies utilize exogenous plasminogen activators (PAs) to effectively lyse clots, restoring blood flow, and preventing tissue and organ death. These PAs may also impair normal hemostasis, leading to life-threatening bleeding, including intracerebral hemorrhage. AIMS This study aims to develop new thrombus-targeted fibrinolytic agents that harness the multifunctional theranostic capabilities of nanomaterials, potentially allowing for the generation of efficacious thrombolytics while minimizing deleterious side effects. MATERIALS & METHODS A thrombus-targeted nano-fibrinolytic agent was synthesized using a magnetofluorescent crosslinked dextran-coated iron oxide nanoparticle platform that was conjugated to recombinant tissue PA (tPA). Thrombus-targeting was achieved by derivatizing the nanoparticle with an activated factor XIII (FXIIIa)-sensitive peptide. Human plasma clot binding ability of the targeted and control agents was assessed by fluorescence reflectance imaging. Next, the in vitro enzymatic activity of the agents was assessed by S2288-based amidolytic activity, and an ELISA D-dimer assay for fibrinolysis. In vivo targeting of the nanoagent was next examined by intravital fluorescence microscopy of murine arterial and venous thrombosis. The fibrinolytic activity of the targeted nanoagent compared to free tPA was then evaluated in vivo in murine pulmonary embolism. RESULTS In vitro, the targeted thrombolytic nanoagent demonstrated superior binding to fresh-frozen plasma clots compared to control nanoagents (analysis of variance, p < 0.05). When normalized by S2288-based amidolytic activity, targeted, control and free tPA samples demonstrated equivalent in vitro fibrinolytic activity against human plasma clots, as determined by ELISA D-dimer assays. The FXIIIa targeted fibrinolytic nanoagent efficiently bound the margin of intravascular thrombi as detected by intravital fluorescence microscopy. In in vivo fibrinolysis studies the FXIIIa-targeted agent lysed pulmonary emboli with similar efficacy as free tPA (p > 0.05). CONCLUSION The applicability of a FXIIIa-targeted thrombolytic nanoagent in the treatment of thromboembolism was demonstrated in vitro and in vivo. Future studies are planned to investigate the safety profile and overall efficacy of this class of nanoagents.
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Affiliation(s)
- Jason R McCarthy
- Center for Systems Biology, Harvard Medical School & Massachusetts General Hospital, 149 13th Street, Charlestown, MA 02129, USA.
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Erdem SS, Sazonova IY, Hara T, Jaffer FA, McCarthy JR. Detection and Treatment of Intravascular Thrombi with Magnetofluorescent Nanoparticles. Methods Enzymol 2012; 508:191-209. [DOI: 10.1016/b978-0-12-391860-4.00010-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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45
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Monsky WL, Vien DS, Link DP. Nanotechnology Development and Utilization: A Primer for Diagnostic and Interventional Radiologists. Radiographics 2011; 31:1449-62. [DOI: 10.1148/rg.315105238] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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46
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Carnemolla R, Muzykantov VR. Vascular targeting of antithrombotic agents. IUBMB Life 2011; 63:632-9. [PMID: 21766410 DOI: 10.1002/iub.474] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2011] [Accepted: 03/27/2011] [Indexed: 11/11/2022]
Abstract
In this review we discuss the limited efficacy for current pharmacological agents used in prophylaxis and treatment of thrombosis and highlight targeted delivery of anti-thrombotic agents to fibrin, platelets, red blood cells and endothelium.
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Affiliation(s)
- Ronald Carnemolla
- Department of Pharmacology, University of Pennsylvania, Philadelphia, USA
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47
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Marsh JN, Hu G, Scott MJ, Zhang H, Goette MJ, Gaffney PJ, Caruthers SD, Wickline SA, Abendschein D, Lanza GM. A fibrin-specific thrombolytic nanomedicine approach to acute ischemic stroke. Nanomedicine (Lond) 2011; 6:605-15. [PMID: 21506686 DOI: 10.2217/nnm.11.21] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIM To develop a fibrin-specific urokinase nanomedicine thrombolytic agent. MATERIALS & METHODS In vitro fibrin-clot dissolution studies were utilized to develop and characterize simultaneous coupling and loading of anti-fibrin monoclonal antibody and urokinase onto perfluorocarbon nanoparticle (NP) surface. In vivo pharmacokinetics and fibrin-specific targeting of the nanolytic agent was studied in dogs. RESULTS Simultaneous coupling of up to 40 anti-fibrin antibodies and 400 urokinase enzymes per perfluorocarbon NP produced an effective targeted nanolytic agent with no significant surface protein-protein interference. Fibrin clot dissolution was not improved by increasing homing capacity from 10 to 40 antibodies/NP, but increasing enzymatic payload from 100 to 400/NP resulted in maximized lytic effect. Fluorescent microscopy showed that rhodamine-labeled urokinase nanoparticles densely decorated the intraluminal thrombus in canine clots in vivo analogous to the fibrin pattern, while an irrelevant-targeted agent had negligible binding. CONCLUSION This agent offers a vascularly constrained, simple to administer, low-dose nanomedicine approach that may present an attractive alternative for treating acute stroke victims.
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Affiliation(s)
- Jon N Marsh
- Washington University School of Medicine, St Louis, MO, USA
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48
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Meairs S, Hennerici M, Mohr J. Ultrasonography. Stroke 2011. [DOI: 10.1016/b978-1-4160-5478-8.10044-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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49
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Lanza GM, Caruthers SD, Winter PM, Hughes MS, Schmieder AH, Hu G, Wickline SA. Angiogenesis imaging with vascular-constrained particles: the why and how. Eur J Nucl Med Mol Imaging 2010; 37 Suppl 1:S114-26. [PMID: 20617434 DOI: 10.1007/s00259-010-1502-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Angiogenesis is a keystone in the treatment of cancer and potentially many other diseases. In cancer, first-generation antiangiogenic therapeutic approaches have demonstrated survival benefit in subsets of patients, but their high cost and notable adverse side effect risk have fueled alternative development efforts to personalize patient selection and reduce off-target effects. In parallel, rapid advances in cost-effective genomic profiling and sensitive early detection of high-risk biomarkers for cancer, atherosclerosis, and other angiogenesis-related pathologies will challenge the medical imaging community to identify, characterize, and risk stratify patients early in the natural history of these disease processes. Conventional diagnostic imaging techniques were not intended for such sensitive and specific detection, which has led to the emergence of novel noninvasive biomedical imaging approaches. The overall intent of molecular imaging is to achieve greater quantitative characterization of pathologies based on microanatomical, biochemical, or functional assessments; in many approaches, the capacity to deliver effective therapy, e.g., antiangiogenic therapy, can be combined. Agents with both diagnostic and therapy attributes have acquired the moniker "theranostics." This review will explore biomedical imaging options being pursued to better segment and treat patients with angiogenesis-influenced disease using vascular-constrained contrast platform technologies.
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Affiliation(s)
- Gregory M Lanza
- Washington University Medical School, St. Louis, MO 63146, USA.
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Lanza GM, Marsh JN, Hu G, Scott MJ, Schmieder AH, Caruthers SD, Pan D, Wickline SA. Rationale for a nanomedicine approach to thrombolytic therapy. Stroke 2010; 41:S42-4. [PMID: 20876503 DOI: 10.1161/strokeaha.110.598656] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Gregory M Lanza
- Department of Medicine, Division of Cardiology, 4320 Forest Park Ave, Suite 101, St Louis, MO 63108, USA.
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