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Lin L, Chen L, Yan J, Chen P, Du J, Zhu J, Yang X, Geng B, Li L, Zeng W. Advances of nanoparticle-mediated diagnostic and theranostic strategies for atherosclerosis. Front Bioeng Biotechnol 2023; 11:1268428. [PMID: 38026849 PMCID: PMC10666776 DOI: 10.3389/fbioe.2023.1268428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
Atherosclerotic plaque remains the primary cause of morbidity and mortality worldwide. Accurate assessment of the degree of atherosclerotic plaque is critical for predicting the risk of atherosclerotic plaque and monitoring the results after intervention. Compared with traditional technology, the imaging technologies of nanoparticles have distinct advantages and great development prospects in the identification and characterization of vulnerable atherosclerotic plaque. Here, we systematically summarize the latest advances of targeted nanoparticle approaches in the diagnosis of atherosclerotic plaque, including multimodal imaging, fluorescence imaging, photoacoustic imaging, exosome diagnosis, and highlighted the theranostic progress as a new therapeutic strategy. Finally, we discuss the major challenges that need to be addressed for future development and clinical transformation.
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Affiliation(s)
- Lin Lin
- School of Medicine, Chongqing University, Chongqing, China
- Department of Cell Biology, Third Military Medical University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
| | - Lin Chen
- Department of Cell Biology, Third Military Medical University, Chongqing, China
| | - Juan Yan
- Department of Cell Biology, Third Military Medical University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
| | - Peirong Chen
- Department of Cell Biology, Third Military Medical University, Chongqing, China
| | - Jiahui Du
- Department of Cell Biology, Third Military Medical University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
| | - Junpeng Zhu
- Department of Cell Biology, Third Military Medical University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
| | - Xinyu Yang
- Department of Cell Biology, Third Military Medical University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
| | - Boxin Geng
- Department of Cell Biology, Third Military Medical University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
| | - Lang Li
- Department of Cell Biology, Third Military Medical University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
| | - Wen Zeng
- School of Medicine, Chongqing University, Chongqing, China
- Department of Cell Biology, Third Military Medical University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
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Sotiriou M, Damianou C. Evaluating acoustic and thermal properties of a plaque phantom. J Ultrasound 2023:10.1007/s40477-023-00778-4. [PMID: 37031317 DOI: 10.1007/s40477-023-00778-4] [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: 12/24/2022] [Accepted: 02/07/2023] [Indexed: 04/10/2023] Open
Abstract
PURPOSE The aim of this study is to evaluate the acoustic and thermal properties of a plaque phantom. This is very important for the effective implementation of ultrasound not only in diagnosis but especially in treatment for the future. MATERIAL AND METHODS An evaluation of acoustic and thermal properties of plaque phantoms to test their suitability mainly for ultrasound imaging and therapy was presented. The evaluation included measurements of the acoustic propagation speed using pulse-echo technique, ultrasonic attenuation coefficient using through transmission immersion technique, and absorption coefficient. Moreover, thermal properties (thermal conductivity, volumetric specific heat capacity and thermal diffusivity) were measured with the transient method using a needle probe. RESULTS It was shown that acoustic and thermal properties of atherosclerotic plaque phantoms fall well within the range of reported values for atherosclerotic plaque and slightly different for thermal diffusivity and volumetric specific heat capacity for soft tissues. The mean value of acoustic and thermal properties and their standard deviation of plaque phantoms were 1523 ± 23 m/s for acoustic speed, 0.50 ± 0.02 W/mK for thermal conductivity, 0.30 ± 0.21 db/cm-MHz for ultrasonic absorption coefficient and 1.63 ± 0.46 db/cm-MHz for ultrasonic attenuation coefficient. CONCLUSIONS This study demonstrated that acoustic and thermal properties of atherosclerotic plaque phantoms were within the range of reported values. Future studies should be focused on the optimum recipe of the atherosclerotic plaque phantoms that mimics the human atherosclerotic plaque (agar 4% w/v, gypsum 10% w/v and butter 10% w/v) and can be used for HIFU therapy.
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Affiliation(s)
- Michalis Sotiriou
- Electrical Engineering Department, Cyprus University of Technology, 30 Archbishop Kyprianos Street, 3036, Limassol, Cyprus
| | - Christakis Damianou
- Electrical Engineering Department, Cyprus University of Technology, 30 Archbishop Kyprianos Street, 3036, Limassol, Cyprus.
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Sotiriou M, Yiannakou M, Damianou C. Investigating atherosclerotic plaque phantoms for ultrasound therapy. J Ultrasound 2022; 25:709-720. [PMID: 35098435 PMCID: PMC9402861 DOI: 10.1007/s40477-022-00658-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 01/12/2022] [Indexed: 11/24/2022] Open
Abstract
PURPOSE The aim of the proposed study was to conduct a feasibility study using a flat rectangular (2 × 10 mm2) transducer operating at 4.0 MHz for creating thermal lesions in an arterial atherosclerotic plaque phantom. The proposed method can be used in the future for treating atherosclerotic plaques in human arteries. MATERIALS AND METHODS The flat rectangular transducer was firstly assessed in agar/silica evaporated milk phantom, polyacrylamide phantom and freshly excised turkeytissue phantom. Then, the same transducer was assessed in an arterial atherosclerotic plaque phantom which was created in the laboratory with a very low cost. The recipe of the atherosclerotic plaque phantom was 4% w/v agar, 1% w/v gypsum, 2% w/v butter and 93% water. The amount of plaque removal was evaluated visually and using an X-Ray system. RESULTS It was shown that the flat rectangular transducer can create thermal lesions on the agar/silica evaporated milk phantom, polyacrylamide phantom and in excised tissue. The size of the lesions matches the geometry of the transducer. Moreover, this transducer destroyed 27.1% of the atherosclerotic plaque phantom with 8 W acoustical power and 30 s duration. CONCLUSIONS This feasibility study demonstrated that atherosclerotic plaque can be destroyed using a very small flat rectangular (2 × 10 mm2) transducer in a very small time interval of 30 s. In future clinical trials the transducer will be incorporated in a catheter which will be inserted intravascular (1-3 mm) wide and can be used to treat atherosclerotic plaques in the coronary arteries.
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Affiliation(s)
- Michalis Sotiriou
- Electrical Engineering Department, Cyprus University of Technology, 30 Archbishop Kyprianos Street, 3036 Limassol, Cyprus
| | - Marinos Yiannakou
- Electrical Engineering Department, Cyprus University of Technology, 30 Archbishop Kyprianos Street, 3036 Limassol, Cyprus
| | - Christakis Damianou
- Electrical Engineering Department, Cyprus University of Technology, 30 Archbishop Kyprianos Street, 3036 Limassol, Cyprus
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Cho SW, Park SM, Park B, Kim DY, Lee TG, Kim BM, Kim C, Kim J, Lee SW, Kim CS. High-speed photoacoustic microscopy: A review dedicated on light sources. PHOTOACOUSTICS 2021; 24:100291. [PMID: 34485074 PMCID: PMC8403586 DOI: 10.1016/j.pacs.2021.100291] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 07/18/2021] [Accepted: 08/03/2021] [Indexed: 05/05/2023]
Abstract
In recent years, many methods have been investigated to improve imaging speed in photoacoustic microscopy (PAM). These methods mainly focused upon three critical factors contributing to fast PAM: laser pulse repetition rate, scanning speed, and computing power of the microprocessors. A high laser repetition rate is fundamentally the most crucial factor to increase the PAM speed. In this paper, we review methods adopted for fast PAM systems in detail, specifically with respect to light sources. To the best of our knowledge, ours is the first review article analyzing the fundamental requirements for developing high-speed PAM and their limitations from the perspective of light sources.
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Affiliation(s)
- Soon-Woo Cho
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Sang Min Park
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Byullee Park
- Department of Electrical Engineering, Convergence IT Engineering, and Mechanical Engineering, Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Do Yeon Kim
- Safety Measurement Institute, Korea Research Institute of Standards and Science, Daejeon, 34113, Republic of Korea
- Department of Bio-Convergence Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Tae Geol Lee
- Safety Measurement Institute, Korea Research Institute of Standards and Science, Daejeon, 34113, Republic of Korea
| | - Beop-Min Kim
- Department of Bio-Convergence Engineering, Korea University, Seoul, 02841, Republic of Korea
- Interdisciplinary Program in Precision Public Health, Korea University, Seoul, 02481, Republic of Korea
| | - Chulhong Kim
- Department of Electrical Engineering, Convergence IT Engineering, and Mechanical Engineering, Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Jeesu Kim
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Sang-Won Lee
- Safety Measurement Institute, Korea Research Institute of Standards and Science, Daejeon, 34113, Republic of Korea
- Department of Medical Physics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Chang-Seok Kim
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 46241, Republic of Korea
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Choi C, Choi W, Kim J, Kim C. Non-Invasive Photothermal Strain Imaging of Non-Alcoholic Fatty Liver Disease in Live Animals. IEEE TRANSACTIONS ON MEDICAL IMAGING 2021; 40:2487-2495. [PMID: 33999818 DOI: 10.1109/tmi.2021.3081097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The prevalence of non-alcoholic fatty liver diseases (NAFLD) has increased steadily over the past decade. Thus, diagnosing NAFLD at the earliest stage, which is a reversible condition, has become increasingly important. Here, photothermal strain imaging (pTSI) is presented as a novel non-invasive tool for NAFLD diagnosis. The pTSI uses ultrasound to detect the difference in thermal strain between fat and water during a light-induced temperature rise, which is directly related to the pathological evidence of NAFLD. To demonstrate its feasibility, fat accumulation in in vivo rat livers is monitored non-invasively using pTSI, based on clinical ultrasound B-mode images. A total of 21 male Wistar rats of 3 weeks of age were prepared. Of these, 18 rats received methionine-choline deficient diet for 1 to 6 weeks (n = 3 per week) to induce NAFLD, whereas 3 rats received normal diet as controls (n = 3). Livers were heated by a lipid-sensitive continuous-wave laser, and strain was measured. Quantitative results from the pTSI were compared with histological analysis results using Oil-Red-O (ORO). The receiver operating characteristic curve of in vivo pTSI results for detecting moderate steatosis (ORO-stained area ≥33%) was constructed based on strain change rate measured in the liver region. The sensitivity and specificity of pTSI were 90% and 82%, respectively, and the area-under-the-curve was measured as 0.85 ± 0.03 (95% confidence interval). The pTSI results tested in the rodent NAFLD model showed great potential for pTSI to be used as a new diagnostic tool for NAFLD in the future.
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Khalid WB, Chen X, Kim K. Multifocus Thermal Strain Imaging Using a Curved Linear Array Transducer for Identification of Lipids in Deep Tissue. ULTRASOUND IN MEDICINE & BIOLOGY 2021; 47:1711-1724. [PMID: 33931283 DOI: 10.1016/j.ultrasmedbio.2021.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 02/28/2021] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
Thermal strain imaging (TSI) is an ultrasound-based imaging technique intended primarily for diseases in which lipid accumulation is the main biomarker. The goal of the research described here was to successfully implement TSI on a single, commercially available curved linear array transducer for heating and imaging of organs at a deeper depth. For an effective temperature rise of the tissue over a large area, which is key to TSI performance, an innovative multifocus beamforming approach was applied. This yielded a heating area from 32 to 96 mm in the axial direction and -7 to +7 mm in the lateral direction. The pressure fields generated from simulation were in agreement with pressure fields measured with the hydrophone. TSI with safe acoustic power identified with high contrast a rubber inclusion and liposuction fat tissue embedded in a gelatin block.
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Affiliation(s)
- Waqas B Khalid
- Department of Bioengineering, University of Pittsburgh School of Engineering, Pittsburgh, Pennsylvania, USA
| | - Xucai Chen
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA; Center for Ultrasound Molecular Imaging and Therapeutics, Department of Medicine, University of Pittsburgh School of Medicine, Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Kang Kim
- Department of Bioengineering, University of Pittsburgh School of Engineering, Pittsburgh, Pennsylvania, USA; Center for Ultrasound Molecular Imaging and Therapeutics, Department of Medicine, University of Pittsburgh School of Medicine, Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA; Department of Mechanical Engineering and Materials Science, University of Pittsburgh School of Engineering, Pittsburgh, Pennsylvania, USA; McGowan Institute for Regenerative Medicine, University of Pittsburgh and University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
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Kim J, Park B, Ha J, Steinberg I, Hooper SM, Jeong C, Park EY, Choi W, Liang T, Bae JS, Managuli R, Kim Y, Gambhir SS, Lim DJ, Kim C. Multiparametric Photoacoustic Analysis of Human Thyroid Cancers In Vivo. Cancer Res 2021; 81:4849-4860. [PMID: 34185675 DOI: 10.1158/0008-5472.can-20-3334] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 01/20/2021] [Accepted: 06/18/2021] [Indexed: 11/16/2022]
Abstract
Thyroid cancer is one of the most common cancers, with a global increase in incidence rate for both genders. Ultrasound-guided fine-needle aspiration is the current gold standard to diagnose thyroid cancers, but the results are inaccurate, leading to repeated biopsies and unnecessary surgeries. To reduce the number of unnecessary biopsies, we explored the use of multiparametric photoacoustic (PA) analysis in combination with the American Thyroid Association (ATA) Guideline (ATAP). In this study, we performed in vivo multispectral PA imaging on thyroid nodules from 52 patients, comprising 23 papillary thyroid cancer (PTC) and 29 benign cases. From the multispectral PA data, we calculated hemoglobin oxygen saturation level in the nodule area, then classified the PTC and benign nodules with multiparametric analysis. Statistical analyses showed that this multiparametric analysis of multispectral PA responses could classify PTC nodules. Combining the photoacoustically indicated probability of PTC and the ATAP led to a new scoring method that achieved a sensitivity of 83% and a specificity of 93%. This study is the first multiparametric analysis of multispectral PA data of thyroid nodules with statistical significance. As a proof of concept, the results show that the proposed new ATAP scoring can help physicians examine thyroid nodules for fine-needle aspiration biopsy, thus reducing unnecessary biopsies.
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Affiliation(s)
- Jeesu Kim
- Electrical Engineering, Pohang University of Science and Technology
| | - Byullee Park
- Convergence IT Engineering, Pohang University of Science and Technology
| | - Jeonghoon Ha
- Endocrinology and Metabolism, The Catholic University of Korea, Seoul St. Mary's Hospital
| | | | | | - Chaiho Jeong
- Endocrinology and Metabolism, The Catholic University of Korea, Seoul St. Mary's Hospital
| | - Eun-Yeong Park
- Electrical Engineering, Pohang University of Science and Technology
| | - Wonseok Choi
- Electrical Engineering, Pohang University of Science and Technology
| | | | | | | | - Yongmin Kim
- Electrical Engineering, Pohang University of Science and Technology
| | | | - Dong-Jun Lim
- Endocrinology and Metabolism, The Catholic University of Korea, Seoul St. Mary's Hospital
| | - Chulhong Kim
- Electrical Engineering, Pohang University of Science and Technology
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