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Ivankovic I, Merčep E, Schmedt CG, Deán-Ben XL, Razansky D. Real-time Volumetric Assessment of the Human Carotid Artery: Handheld Multispectral Optoacoustic Tomography. Radiology 2019; 291:45-50. [PMID: 30747592 DOI: 10.1148/radiol.2019181325] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background Multispectral optical imaging has the capability of resolving hemoglobin, lipid, and water. Volumetric multispectral optoacoustic tomography (MSOT) is a hybrid imaging technique that provides a unique combination of functional and molecular contrast with real-time handheld imaging. Purpose To investigate whether volumetric MSOT can provide real-time assessment of the anatomic and functional status of the human carotid artery bifurcation noninvasively. Materials and Methods Imaging of healthy volunteers (n = 16) was performed with a custom-designed handheld volumetric MSOT scanner capable of high-spatial-resolution (approximately 200 µm) and real-time (10 volumes/sec) three-dimensional imaging, while further providing spectroscopic capacity through fast tuning of the excitation light wavelength. For comparison and anatomic cross-validation, volunteers were also scanned with clinical B-mode US. Results Volumetric MSOT achieved real-time imaging and characterization of the entire carotid bifurcation area across three dimensions simultaneously captured in a single volumetric image frame. Analysis of the acquired data further showed that a higher contrast-to-noise ratio can be achieved for wavelengths corresponding to a high optical absorption of oxygenated hemoglobin. Conclusion The human carotid artery was visualized by using handheld volumetric multispectral optoacoustic tomography. This imaging approach is less prone to motion artifacts than are the conventional clinical imaging methods, holding promise for providing additional image-based biomarkers for noninvasive label-free assessment of carotid artery disease. © RSNA, 2019 Online supplemental material is available for this article. See also the editorial by Mezrich in this issue.
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Affiliation(s)
- Ivana Ivankovic
- From the Institute for Biological and Medical Imaging, Helmholtz Center Munich, Neuherberg, Germany (I.I., X.L.D.B., D.R.); Faculty of Medicine, Technical University of Munich, Germany (I.I., E.M., D.R.); Faculty of Medicine and Institute of Pharmacology and Toxicology, University of Zurich, Switzerland (I.I., X.L.D.B., D.R.); Institute for Biomedical Engineering and Department of Information Technology and Electrical Engineering, ETH Zurich, HIT E42.1, Wolfgang-Pauli-Str 27, 8093 Zurich, Switzerland (I.I., X.L.D.B., D.R.); iThera Medical, Munich, Germany (E.M.); and Department for Vascular Surgery, Diakonie-Klinikum Schwäbisch Hall, Germany (C.G.S.)
| | - Elena Merčep
- From the Institute for Biological and Medical Imaging, Helmholtz Center Munich, Neuherberg, Germany (I.I., X.L.D.B., D.R.); Faculty of Medicine, Technical University of Munich, Germany (I.I., E.M., D.R.); Faculty of Medicine and Institute of Pharmacology and Toxicology, University of Zurich, Switzerland (I.I., X.L.D.B., D.R.); Institute for Biomedical Engineering and Department of Information Technology and Electrical Engineering, ETH Zurich, HIT E42.1, Wolfgang-Pauli-Str 27, 8093 Zurich, Switzerland (I.I., X.L.D.B., D.R.); iThera Medical, Munich, Germany (E.M.); and Department for Vascular Surgery, Diakonie-Klinikum Schwäbisch Hall, Germany (C.G.S.)
| | - Claus-Georg Schmedt
- From the Institute for Biological and Medical Imaging, Helmholtz Center Munich, Neuherberg, Germany (I.I., X.L.D.B., D.R.); Faculty of Medicine, Technical University of Munich, Germany (I.I., E.M., D.R.); Faculty of Medicine and Institute of Pharmacology and Toxicology, University of Zurich, Switzerland (I.I., X.L.D.B., D.R.); Institute for Biomedical Engineering and Department of Information Technology and Electrical Engineering, ETH Zurich, HIT E42.1, Wolfgang-Pauli-Str 27, 8093 Zurich, Switzerland (I.I., X.L.D.B., D.R.); iThera Medical, Munich, Germany (E.M.); and Department for Vascular Surgery, Diakonie-Klinikum Schwäbisch Hall, Germany (C.G.S.)
| | - Xose Luís Deán-Ben
- From the Institute for Biological and Medical Imaging, Helmholtz Center Munich, Neuherberg, Germany (I.I., X.L.D.B., D.R.); Faculty of Medicine, Technical University of Munich, Germany (I.I., E.M., D.R.); Faculty of Medicine and Institute of Pharmacology and Toxicology, University of Zurich, Switzerland (I.I., X.L.D.B., D.R.); Institute for Biomedical Engineering and Department of Information Technology and Electrical Engineering, ETH Zurich, HIT E42.1, Wolfgang-Pauli-Str 27, 8093 Zurich, Switzerland (I.I., X.L.D.B., D.R.); iThera Medical, Munich, Germany (E.M.); and Department for Vascular Surgery, Diakonie-Klinikum Schwäbisch Hall, Germany (C.G.S.)
| | - Daniel Razansky
- From the Institute for Biological and Medical Imaging, Helmholtz Center Munich, Neuherberg, Germany (I.I., X.L.D.B., D.R.); Faculty of Medicine, Technical University of Munich, Germany (I.I., E.M., D.R.); Faculty of Medicine and Institute of Pharmacology and Toxicology, University of Zurich, Switzerland (I.I., X.L.D.B., D.R.); Institute for Biomedical Engineering and Department of Information Technology and Electrical Engineering, ETH Zurich, HIT E42.1, Wolfgang-Pauli-Str 27, 8093 Zurich, Switzerland (I.I., X.L.D.B., D.R.); iThera Medical, Munich, Germany (E.M.); and Department for Vascular Surgery, Diakonie-Klinikum Schwäbisch Hall, Germany (C.G.S.)
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Deshpande D, Kethireddy S, Janero DR, Amiji MM. Therapeutic Efficacy of an ω-3-Fatty Acid-Containing 17-β Estradiol Nano-Delivery System against Experimental Atherosclerosis. PLoS One 2016; 11:e0147337. [PMID: 26840601 PMCID: PMC4740455 DOI: 10.1371/journal.pone.0147337] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Accepted: 12/31/2015] [Indexed: 12/22/2022] Open
Abstract
Atherosclerosis and its consequences remain prevalent clinical challenges throughout the world. Initiation and progression of atherosclerosis involves a complex, dynamic interplay among inflammation, hyperlipidemia, and endothelial dysfunction. A multicomponent treatment approach targeted for delivery within diseased vessels could prove beneficial in treating atherosclerosis. This study was undertaken to evaluate the multimodal effects of a novel ω-3-fatty acid-rich, 17-β-estradiol (17-βE)-loaded, CREKA-peptide-modified nanoemulsion system on experimental atherosclerosis. In vitro treatment of cultured human aortic endothelial cells (ECs) with the 17-βE-loaded, CREKA-peptide-modified nanoemulsion system increased cellular nitrate/nitrite, indicating improved nitric oxide formation. In vivo, systemic administration of this nanoemulsion system to apolipoprotein-E knock out (ApoE-/-) mice fed a high-fat diet significantly improved multiple parameters related to the etiology and development of occlusive atherosclerotic vasculopathy: lesion area, circulating plasma lipid levels, and expression of aortic-wall inflammatory markers. These salutary effects were attributed selectively to the 17-βE and/or ω-3 polyunsaturated fatty acid components of the nano-delivery system. At therapeutic doses, the 17-βE-loaded, CREKA-peptide modified nanoemulsion system appeared to be biocompatible in that it elicited no apparent adverse/toxic effects, as indexed by body weight, plasma alanine aminotransferase/aspartate aminotransferase levels, and liver and kidney histopathology. The study demonstrates the therapeutic potential of a novel, 17-βE-loaded, CREKA-peptide-modified nanoemulsion system against atherosclerosis in a multimodal fashion by reducing lesion size, lowering the levels of circulating plasma lipids and decreasing the gene expression of inflammatory markers associated with the disease.
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Affiliation(s)
- Dipti Deshpande
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouvé College of Health Sciences, Northeastern University, Boston, Massachusetts, United States of America
| | - Sravani Kethireddy
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouvé College of Health Sciences, Northeastern University, Boston, Massachusetts, United States of America
| | - David R. Janero
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouvé College of Health Sciences, Northeastern University, Boston, Massachusetts, United States of America
- Center for Drug Discovery, School of Pharmacy, Bouvé College of Health Sciences, Northeastern University, Boston, Massachusetts, United States of America
| | - Mansoor M. Amiji
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouvé College of Health Sciences, Northeastern University, Boston, Massachusetts, United States of America
- Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
- * E-mail:
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Michalska M, Machtoub L, Manthey HD, Bauer E, Herold V, Krohne G, Lykowsky G, Hildenbrand M, Kampf T, Jakob P, Zernecke A, Bauer WR. Visualization of Vascular Inflammation in the Atherosclerotic Mouse by Ultrasmall Superparamagnetic Iron Oxide Vascular Cell Adhesion Molecule-1–Specific Nanoparticles. Arterioscler Thromb Vasc Biol 2012; 32:2350-7. [DOI: 10.1161/atvbaha.112.255224] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Objective—
Noninvasive imaging of atherosclerosis remains challenging in clinical applications. Here, we applied noninvasive molecular imaging to detect vascular cell adhesion molecule-1 in early and advanced atherosclerotic lesions of apolipoprotein E–deficient mice.
Methods and Results—
Ultrasmall superparamagnetic iron oxide particles functionalized with (P03011) or without (P3007) vascular cell adhesion molecule-1−binding peptide were visualized by ultra high-field (17.6 T) magnetic resonance. Injection of P03011 resulted in a marked signal loss in the aortic root of apolipoprotein E–deficient mice fed a Western diet for 8 and 26 weeks in vivo and ex vivo, compared with preinjection measurements, P3007-injected mice, and P03011- or P3007-injected age-matched C57BL/6 controls. Histological analyses revealed iron accumulations in the intima, in colocalization with vascular cell adhesion molecule-1−expressing macrophages and endothelial cells. Coherent anti-Stokes Raman scattering microscopy demonstrated iron signals in the intima and media of the aortic root in the P03011-injected but not untreated apolipoprotein E–deficient mice, localized to macrophages, luminal endothelial-like cells, and medial regions containing smooth muscle cells. Electron microscopy confirmed iron particles enclosed in endothelial cells and in the vicinity of smooth muscle cells.
Conclusion—
Using a combination of innovative imaging modalities, in this study, we demonstrate the feasibility of applying P03011 as a contrast agent for imaging of atherosclerosis.
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Affiliation(s)
- Marta Michalska
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Lina Machtoub
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Helga D. Manthey
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Elisabeth Bauer
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Volker Herold
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Georg Krohne
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Gunthard Lykowsky
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Markus Hildenbrand
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Thomas Kampf
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Peter Jakob
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Alma Zernecke
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
| | - Wolfgang R. Bauer
- From the Experimentelle Physik V, Universität Würzburg, Würzburg, Germany (M.M., V.H., G.L., T.K., P.J.); Medizinische Klinik und Poliklinik I, Universitätsklinik Würzburg, Würzburg, Germany (M.M., E.B., W.R.B.); Universitätsklinik für Radiodiagnostik, Innsbruck Medical University, Innsbruck, Austria (L.M.); Rudolf-Virchow-Zentrum für Experimentelle Biomedizin, Universität Würzburg, Würzburg, Germany (H.D.M., A.Z.); Biozentrum, Universität Würzburg, Würzburg, Germany (G.K.); MRB Research Center
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