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Lin X, Liu C, Sheng Z, Gong X, Song L, Zhang R, Zheng H, Sun M. Highly Sensitive Fluorescence and Photoacoustic Detection of Metastatic Breast Cancer in Mice Using Dual-Modal Nanoprobes. ACS APPLIED MATERIALS & INTERFACES 2018; 10:26064-26074. [PMID: 30044603 DOI: 10.1021/acsami.8b09142] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The biomedical imaging of metastatic breast cancer, especially in lymphatic and lung metastasis, is highly significant in cancer staging as it helps assess disease prognosis and treatment. Using an albumin-indocyanine green dual-modal nanoprobe developed in our laboratory, in vivo fluorescence imaging and photoacoustic imaging of metastatic breast cancer tumors were performed separately. Fluorescence imaging at the near-infrared window features high imaging sensitivity but is generally limited by a low imaging depth. Thus, tumors can only be observed in situ whereas tumor cells in the lymph nodes and lung cannot be imaged in a precise manner. In contrast, photoacoustic imaging often helps overcome the limitations of imaging depth with high acoustic spatial resolution, which could provide complementary information for imaging cancer metastases. Ex vivo fluorescence and photoacoustic imaging were also performed to verify the tumor metastatic route. This study may not only provide insights into the design of dual-modal nanoprobes for breast cancer diagnosis but may also demonstrate the superiority of combined fluorescence imaging and photoacoustic imaging for guiding, monitoring, and evaluating lymphatic and lung metastatic stages of breast cancer with a high imaging specificity as well as sensitivity.
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Affiliation(s)
- Xiangwei Lin
- Measurement and Control Research Center, Department of Control Science and Engineering , Harbin Institute of Technology , Harbin 150001 , China
| | | | | | | | | | - Ruifang Zhang
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University , Zhengzhou University , Zhengzhou 450000 , Henan , China
| | | | - Mingjian Sun
- Measurement and Control Research Center, Department of Control Science and Engineering , Harbin Institute of Technology , Harbin 150001 , China
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Mozaffarzadeh M, Periyasamy V, Pramanik M, Makkiabadi B. Efficient nonlinear beamformer based on P'th root of detected signals for linear-array photoacoustic tomography: application to sentinel lymph node imaging. JOURNAL OF BIOMEDICAL OPTICS 2018; 23:1-12. [PMID: 30054995 PMCID: PMC8357197 DOI: 10.1117/1.jbo.23.12.121604] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 06/13/2018] [Indexed: 05/18/2023]
Abstract
In linear-array transducer-based photoacoustic (PA) imaging, B-scan PA images are formed using the raw channel PA signals. Delay-and-sum (DAS) is the most prevalent algorithm due to its simple implementation, but it leads to low-quality images. Delay-multiply-and-sum (DMAS) provides a higher image quality in comparison with DAS while it imposes a computational burden of O ( M2 ) . We introduce a nonlinear (NL) beamformer for linear-array PA imaging, which uses the p'th root of the detected signals and imposes the complexity of DAS [O ( M ) ]. The proposed algorithm is evaluated numerically and experimentally [wire-target and in-vivo sentinel lymph node (SLN) imaging], and the effects of the parameter p are investigated. The results show that the NL algorithm, using a root of p (NL_p), leads to lower sidelobes and higher signal-to-noise ratio compared with DAS and DMAS, for (p > 2). The sidelobes level (for the wire-target phantom), at the depth of 11.4 mm, are about -31, -52, -52, -67, -88, and -109 dB, for DAS, DMAS, NL_2, NL_3, NL_4, and NL_5, respectively, indicating the superiority of the NL_p algorithm. In addition, the best value of p for SLN imaging is reported to be 12.
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Affiliation(s)
- Moein Mozaffarzadeh
- Institute for Advanced Medical Technologies (IAMT), Research Center for Biomedical Technologies and Robotics (RCBTR), Tehran, Iran
- Tarbiat Modares University, Department of Biomedical Engineering, Tehran, Iran
| | - Vijitha Periyasamy
- Nanyang Technological University, School of Chemical and Biomedical Engineering, Singapore
| | - Manojit Pramanik
- Nanyang Technological University, School of Chemical and Biomedical Engineering, Singapore
- Address all correspondence to: Manojit Pramanik, E-mail: ; Bahador Makkiabadi, E-mail:
| | - Bahador Makkiabadi
- Institute for Advanced Medical Technologies (IAMT), Research Center for Biomedical Technologies and Robotics (RCBTR), Tehran, Iran
- Tehran University of Medical Sciences, School of Medicine, Department of Medical Physics and Biomedical Engineering, Tehran, Iran
- Address all correspondence to: Manojit Pramanik, E-mail: ; Bahador Makkiabadi, E-mail:
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Qi W, Chen Q, Guo H, Xie H, Xi L. Miniaturized Optical Resolution Photoacoustic Microscope Based on a Microelectromechanical Systems Scanning Mirror. MICROMACHINES 2018; 9:mi9060288. [PMID: 30424221 PMCID: PMC6187323 DOI: 10.3390/mi9060288] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 05/14/2018] [Accepted: 05/30/2018] [Indexed: 11/26/2022]
Abstract
In this paper, we report a miniaturized optical resolution photoacoustic microscopy system based on a microelectromechanical system (MEMS) scanning mirror. A two-dimensional MEMS scanning mirror was used to achieve raster scanning of the excitation optical focus. The wideband photoacoustic signals were detected by a flat ultrasound transducer with a center frequency of 10 MHz and an active area of 2 mm in diameter. The size and weight of this device were 60 mm × 30 mm × 20 mm and 40 g, respectively. We evaluated this system using sharp blades, carbon fibers, and a silver strip target. In vivo experiments of imaging vasculatures in the mouse ear, brain, and human lip were completed to demonstrate its potential for biological and clinical applications.
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Affiliation(s)
- Weizhi Qi
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
- School of Physics, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Qian Chen
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
- School of Physics, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Heng Guo
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
- School of Physics, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Huikai Xie
- Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL 32611, USA.
| | - Lei Xi
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
- School of Physics, University of Electronic Science and Technology of China, Chengdu 610054, China.
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54
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Light-driven transformable optical agent with adaptive functions for boosting cancer surgery outcomes. Nat Commun 2018; 9:1848. [PMID: 29748611 PMCID: PMC5945617 DOI: 10.1038/s41467-018-04222-8] [Citation(s) in RCA: 220] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 04/09/2018] [Indexed: 02/03/2023] Open
Abstract
Fluorescence and photoacoustic imaging have different advantages in cancer diagnosis; however, combining effects in one agent normally requires a trade-off as the mechanisms interfere. Here, based on rational molecular design, we introduce a smart organic nanoparticle whose absorbed excitation energy can be photo-switched to the pathway of thermal deactivation for photoacoustic imaging, or to allow opposed routes for fluorescence imaging and photodynamic therapy. The molecule is made of a dithienylethene (DTE) core with two surrounding 2-(1-(4-(1,2,2-triphenylvinyl)phenyl)ethylidene)malononitrile (TPECM) units (DTE-TPECM). The photosensitive molecule changes from a ring-closed, for photoacoustic imaging, to a ring-opened state for fluorescence and photodynamic effects upon an external light trigger. The nanoparticles’ photoacoustic and fluorescence imaging properties demonstrate the advantage of the switch. The use of the nanoparticles improves the outcomes of in vivo cancer surgery using preoperative photoacoustic imaging and intraoperative fluorescent visualization/photodynamic therapy of residual tumours to ensure total tumour removal. The combination of imaging techniques in cancer treatment often involves a trade-off in properties due to the opposite working mechanisms. Here, the authors report on a material that avoids the trade-off by switching from photoacoustic imaging to fluorescence imaging upon an external light trigger
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Kim H, Chang JH. Multimodal photoacoustic imaging as a tool for sentinel lymph node identification and biopsy guidance. Biomed Eng Lett 2018; 8:183-191. [PMID: 30603202 PMCID: PMC6208518 DOI: 10.1007/s13534-018-0068-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Revised: 04/14/2018] [Accepted: 04/15/2018] [Indexed: 02/06/2023] Open
Abstract
As a minimally invasive method, sentinel lymph node biopsy (SLNB) in conjunction with guidance methods is the standard method to determine cancer metastasis in breast. The desired guidance methods for SLNB should be capable of precise SLN localization for accurate diagnosis of micro-metastases at an early stage of cancer progression and thus facilitate reducing the number of SLN biopsies for minimal surgical complications. For this, high sensitivity to the administered dyes, high spatial and contrast resolutions, deep imaging depth, and real-time imaging capability are pivotal requirements. Currently, various methods have been used for SLNB guidance, each with their own advantages and disadvantages, but no methods meet the requirements. In this review, we discuss the conventional SLNB guidance methods in this perspective. In addition, we focus on the role of the PA imaging modality on real-time SLN identification and biopsy guidance. In particular, PA-based hybrid imaging methods for precise SLN identification and efficient biopsy guidance are introduced, and their unique features, advantages, and disadvantages are discussed.
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Affiliation(s)
- Haemin Kim
- Department of Biomedical Engineering, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul, 04107 South Korea
| | - Jin Ho Chang
- Department of Biomedical Engineering, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul, 04107 South Korea
- Department of Electronic Engineering, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul, 04107 South Korea
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Sivasubramanian K, Periyasamy V, Dienzo RA, Pramanik M. Hand-held, clinical dual mode ultrasound - photoacoustic imaging of rat urinary bladder and its applications. JOURNAL OF BIOPHOTONICS 2018; 11:e201700317. [PMID: 29341418 DOI: 10.1002/jbio.201700317] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 12/11/2017] [Accepted: 01/12/2018] [Indexed: 05/07/2023]
Abstract
Urinary bladder imaging is critical to diagnose urinary tract disorders, and bladder cancer. There is a great need for safe, non-invasive, and sensitive imaging technique which enables bladder imaging. Photoacoustic imaging is a rapidly growing imaging technique for various biological applications. It can be combined with clinical ultrasound imaging system for hand-held, dual modal ultrasound-photoacoustic real-time imaging. Structural (bladder wall) and functional (accretion of nanoparticles) bladder imaging is shown here with combined ultrasound and photoacoustic imaging in rats. Photoacoustic images of bladder wall is shown using black ink as the contrast agent. Chicken tissues were stacked on the abdomen of the animal to demonstrate the feasibility of photoacoustic imaging till a depth of 2 cm. Also, the feasibility of photoacoustic imaging for a common bladder disorder, vesicoureteral reflux is studied using urinary tract mimicking phantom. It is also shown that a clinical ultrasound system can be used for photoacoustic imaging of non-invasive clearance study of gold nanorods from circulation by monitoring the gradual accumulation of the gold nanorods in the bladder. The time taken for accumulation of nanorods in the bladder can be used as an indicator of the clearance rate of the nanoparticle circulation from the body.
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Affiliation(s)
| | - Vijitha Periyasamy
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
| | - Rhonnie Austria Dienzo
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
| | - Manojit Pramanik
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
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57
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Das D, Sivasubramanian K, Yang C, Pramanik M. On-chip generation of microbubbles in photoacoustic contrast agents for dual modal ultrasound/photoacoustic in vivo animal imaging. Sci Rep 2018; 8:6401. [PMID: 29686407 PMCID: PMC5913135 DOI: 10.1038/s41598-018-24713-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Accepted: 04/10/2018] [Indexed: 12/12/2022] Open
Abstract
Dual-modal photoacoustic (PA) and ultrasound (US) contrast agents are becoming increasingly popular in recent years. Here, a flow-focusing junction based microfluidic device is used for the generation of nitrogen microbubbles (<7 μm) in two photoacoustic contrast agents: methylene blue (MB) and black ink (BI). The microbubble diameter and production rate could be precisely controlled in both MB and BI solutions. Microbubbles were collected from the outlet of the microfluidic device and optical microscope was used to study the size distributions in both solutions. Next, the microbubbles in both solutions were injected into tubes for phantom imaging experiments. Signal to noise ratio (SNR) of both US, PA imaging experiments were calculated to be 51 dB, 58 dB in MB + microbubbles and 56 dB, 61 dB in BI + microbubbles, respectively. Finally, the microbubbles were injected into the urinary bladder of rats for in vivo animal imaging. The SNR in US imaging with MB + microbubbles and BI + microbubbles were 41 dB and 48 dB, respectively. Similarly, the SNR in PA imaging with the same solutions were 32 dB and 36 dB, respectively. The effect of size and concentration of microbubbles in both MB and BI solutions, on the US and PA signals, has been examined.
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Affiliation(s)
- Dhiman Das
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, 637459, Singapore
| | - Kathyayini Sivasubramanian
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, 637459, Singapore
| | - Chun Yang
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Manojit Pramanik
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, 637459, Singapore.
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58
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Zafar H, Leahy M, Wijns W, Kolios M, Zafar J, Johnson N, Sharif F. Photoacoustic cardiovascular imaging: a new technique for imaging of atherosclerosis and vulnerable plaque detection. Biomed Phys Eng Express 2018. [DOI: 10.1088/2057-1976/aab640] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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59
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Clinical photoacoustic imaging platforms. Biomed Eng Lett 2018; 8:139-155. [PMID: 30603199 DOI: 10.1007/s13534-018-0062-7] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 03/18/2018] [Indexed: 01/08/2023] Open
Abstract
Photoacoustic imaging (PAI) is a new promising medical imaging technology available for diagnosing and assessing various pathologies. PAI complements existing imaging modalities by providing information not currently available for diagnosing, e.g., oxygenation level of the underlying tissue. Currently, researchers are translating PAI from benchside to bedside to make unique clinical advantages of PAI available for patient care. The requirements for a successful clinical PAI system are; deeper imaging depth, wider field of view, and faster scan time than the laboratory-level PAI systems. Currently, many research groups and companies are developing novel technologies for data acquisition/signal processing systems, detector geometry, and an acoustic sensor. In this review, we summarize state-of-the-art clinical PAI systems with three types of the imaging transducers: linear array transducer, curved linear array transducer, and volumetric array transducer. We will also discuss the limitations of the current PAI systems and describe latest techniques being developed to address these for further enhancing the image quality of PAI for successful clinical translation.
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Li M, Liu C, Gong X, Zheng R, Bai Y, Xing M, Du X, Liu X, Zeng J, Lin R, Zhou H, Wang S, Lu G, Zhu W, Fang C, Song L. Linear array-based real-time photoacoustic imaging system with a compact coaxial excitation handheld probe for noninvasive sentinel lymph node mapping. BIOMEDICAL OPTICS EXPRESS 2018; 9:1408-1422. [PMID: 29675292 PMCID: PMC5905896 DOI: 10.1364/boe.9.001408] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 12/21/2017] [Accepted: 01/08/2018] [Indexed: 05/04/2023]
Abstract
We developed a linear ultrasound array-based real-time photoacoustic imaging system with a compact coaxial excitation handheld photoacoustic imaging probe for guiding sentinel lymph node (SLN) needle biopsy. Compared with previous studies, our system and probe have the following advantages: (1) the imaging probe is quite compact and user-friendly; (2) laser illumination and ultrasonic detection are achieved coaxially, enabling high signal-to-noise ratio; and (3) GPU-based image reconstruction enables real-time imaging and displaying at a frame rate of 20 Hz. With the system and probe, clear visualization of the SLN at the depth of 2 cm (~human SLN depth) was demonstrated on a living rat. A fine needle was pushed towards the SLN based on the guidance of real-time photoacoustic imaging. The proposed photoacoustic imaging system and probe was shown to have great potential to be used in clinics for guiding SLN needle biopsy, which may reduce the high morbidity rate related to the current gold standard clinical SLN biopsy procedure.
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Affiliation(s)
- Mucong Li
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Equal Contribution
| | - Chengbo Liu
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Beijing Center for Mathematics and Information Interdisciplinary Sciences (BCMIIS), Beijing 100048, China
- Equal Contribution
| | - Xiaojing Gong
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Rongqin Zheng
- Department of Medical Ultrasound, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Yuanyuan Bai
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Muyue Xing
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Xuemin Du
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Xiaoyang Liu
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Jing Zeng
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Riqiang Lin
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Huichao Zhou
- Department of Medical Ultrasound, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Shouju Wang
- Department of Medical Imaging, Jinling Hospital, Nanjing University, Nanjing 210002, China
| | - Guangming Lu
- Department of Medical Imaging, Jinling Hospital, Nanjing University, Nanjing 210002, China
| | - Wen Zhu
- Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Chihua Fang
- Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Liang Song
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Beijing Center for Mathematics and Information Interdisciplinary Sciences (BCMIIS), Beijing 100048, China
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Okumura K, Yoshida K, Yoshioka K, Aki S, Yoneda N, Inoue D, Kitao A, Ogi T, Kozaka K, Minami T, Koda W, Kobayashi S, Takuwa Y, Gabata T. Photoacoustic imaging of tumour vascular permeability with indocyanine green in a mouse model. Eur Radiol Exp 2018; 2:5. [PMID: 29708213 PMCID: PMC5909364 DOI: 10.1186/s41747-018-0036-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 01/15/2018] [Indexed: 01/10/2023] Open
Abstract
Background We analysed the haemodynamics of indocyanine green (ICG) in mouse organs and tumours and evaluated responses to anti-angiogenic agents in an allograft tumour mouse model by photoacoustic imaging. Methods Thirty-six male mice (aged 10–14 weeks; body weight 20–25 g) were used. Real-time photoacoustic imaging of organs and tumours after intravenous injection of ICG was conducted in mice until 10 min after ICG injection. ICG distribution in tumour tissues was assessed by immunohistochemical staining and observation of ICG-derived fluorescence. Vascular permeability changes induced by the vascular endothelial growth factor (VEGF)-blocking agent VEGF-trap on tumour photoacoustic signals were studied. Results The photoacoustic signals in salivary glands and tumours after intravenous injection of iCG (0.604 ± 0.011 and 0.994 ± 0.175 [mean ± standard deviation], respectively) were significantly increased compared with those in the liver, kidney, and great vessel (0.234 ± 0.043, 0.204 ± 0.058 and 0.127 ± 0.040, respectively; p < 0.010). In tumours, the photoacoustic signal increased within 30 s after ICG injection in a dose-dependent manner (r2 = 0.899) and then decreased gradually. ICG was found to extravasate in tumour tissues. In VEGF-trap-treated mice, the photoacoustic signal in the tumour decreased at the early phase before inhibition of tumour growth was detected (0.297 ± 0.052 vs 1.011 ± 0.170 in the control; p < 0.001). Conclusions Photoacoustic imaging with ICG administration demonstrated extravasation of ICG in mouse organs and tumours, indicating the potential for early detection of changes in vascular permeability during cancer therapy.
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Affiliation(s)
- Kenichiro Okumura
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
| | - Kotaro Yoshida
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
| | - Kazuaki Yoshioka
- 2Department of Physiology, Kanazawa University School of Medical Sciences, Ishikawa, Japan
| | - Sho Aki
- 2Department of Physiology, Kanazawa University School of Medical Sciences, Ishikawa, Japan
| | - Norihide Yoneda
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
| | - Dai Inoue
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
| | - Azusa Kitao
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
| | - Takahiro Ogi
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
| | - Kazuto Kozaka
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
| | - Tetsuya Minami
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
| | - Wataru Koda
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
| | - Satoshi Kobayashi
- 3Department of Quantum Medical Technology, Kanazawa University Graduate School of Medical Sciences, Ishikawa, Japan
| | - Yoh Takuwa
- 2Department of Physiology, Kanazawa University School of Medical Sciences, Ishikawa, Japan
| | - Toshifumi Gabata
- 1Department of Radiology, Kanazawa University School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan
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Wang J, Lin CY, Moore C, Jhunjhunwala A, Jokerst JV. Switchable Photoacoustic Intensity of Methylene Blue via Sodium Dodecyl Sulfate Micellization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:359-365. [PMID: 29232146 PMCID: PMC6200325 DOI: 10.1021/acs.langmuir.7b03718] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The interaction between methylene blue (MB) and sodium dodecyl sulfate (SDS) has been widely studied spectroscopically, but details about their interactions remain unclear. Here, we combined photoacoustic (PA) imaging with nanoparticle tracking analysis (NTA) and spectroscopy to further elucidate this interaction. PA imaging of 0.05 mM MB showed a 492-fold increase in intensity upon the addition of 3.47 mM SDS. Higher concentrations above SDS's critical micelle concentration (CMC) at 8.67 mM decreased the PA intensity by 54 times. Relative quantum yield measurements indicated that PA intensity increased as a result of fluorescence quenching. Meanwhile, NTA indicated an increased number of nonmicellar MB/SDS clusters at SDS concentrations below the CMC varying in size from 80 to 400 nm as well as a decreased number above the CMC. This trend suggested that MB/SDS clusters are responsible for the PA intensity enhancement. Comparison of PA intensities and spectral shifts with MB/hexadecyltrimethylammonium bromide, MB/sodium octyl sulfate, and MB/sodium chloride demonstrated that MB was bound to the sulfate moiety of SDS before and after micellization. Our observations suggest that MB forms aggregates with SDS at premicellar concentrations, and the MB aggregates disassociate as monomers that are bound to the sulfate moiety of SDS at micellar concentrations. These findings further clarify the process by which MB and SDS interact and demonstrate the potential for developing MB-/SDS-based contrast agents.
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Affiliation(s)
- Junxin Wang
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
| | - Ching-Yu Lin
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
| | - Colman Moore
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
| | - Anamik Jhunjhunwala
- Department of BioEngineering, University of California San Diego, La Jolla, California 92093, United States
| | - Jesse V. Jokerst
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
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Zheng P, Li J, Kros JM. Breakthroughs in modern cancer therapy and elusive cardiotoxicity: Critical research-practice gaps, challenges, and insights. Med Res Rev 2018; 38:325-376. [PMID: 28862319 PMCID: PMC5763363 DOI: 10.1002/med.21463] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 07/14/2017] [Accepted: 07/15/2017] [Indexed: 12/16/2022]
Abstract
To date, five cancer treatment modalities have been defined. The three traditional modalities of cancer treatment are surgery, radiotherapy, and conventional chemotherapy, and the two modern modalities include molecularly targeted therapy (the fourth modality) and immunotherapy (the fifth modality). The cardiotoxicity associated with conventional chemotherapy and radiotherapy is well known. Similar adverse cardiac events are resurging with the fourth modality. Aside from the conventional and newer targeted agents, even the most newly developed, immune-based therapeutic modalities of anticancer treatment (the fifth modality), e.g., immune checkpoint inhibitors and chimeric antigen receptor (CAR) T-cell therapy, have unfortunately led to potentially lethal cardiotoxicity in patients. Cardiac complications represent unresolved and potentially life-threatening conditions in cancer survivors, while effective clinical management remains quite challenging. As a consequence, morbidity and mortality related to cardiac complications now threaten to offset some favorable benefits of modern cancer treatments in cancer-related survival, regardless of the oncologic prognosis. This review focuses on identifying critical research-practice gaps, addressing real-world challenges and pinpointing real-time insights in general terms under the context of clinical cardiotoxicity induced by the fourth and fifth modalities of cancer treatment. The information ranges from basic science to clinical management in the field of cardio-oncology and crosses the interface between oncology and onco-pharmacology. The complexity of the ongoing clinical problem is addressed at different levels. A better understanding of these research-practice gaps may advance research initiatives on the development of mechanism-based diagnoses and treatments for the effective clinical management of cardiotoxicity.
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Affiliation(s)
- Ping‐Pin Zheng
- Cardio‐Oncology Research GroupErasmus Medical CenterRotterdamthe Netherlands
- Department of PathologyErasmus Medical CenterRotterdamthe Netherlands
| | - Jin Li
- Department of OncologyShanghai East Hospital, Tongji University School of MedicineShanghaiChina
| | - Johan M Kros
- Department of PathologyErasmus Medical CenterRotterdamthe Netherlands
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64
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Sivasubramanian K, Periyasamy V, Pramanik M. Non-invasive sentinel lymph node mapping and needle guidance using clinical handheld photoacoustic imaging system in small animal. JOURNAL OF BIOPHOTONICS 2018; 11:e201700061. [PMID: 28700132 DOI: 10.1002/jbio.201700061] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/27/2017] [Accepted: 05/25/2017] [Indexed: 05/20/2023]
Abstract
Translating photoacoustic imaging (PAI) into clinical setup is a challenge. Handheld clinical real-time PAI systems are not common. In this work, we report an integrated photoacoustic (PA) and clinical ultrasound imaging system by combining light delivery with the ultrasound probe for sentinel lymph node imaging and needle guidance in small animal. The open access clinical ultrasound platform allows seamless integration of PAI resulting in the development of handheld real-time PAI probe. Both methylene blue and indocyanine green were used for mapping the sentinel lymph node using 675 and 690 nm wavelength illuminations, respectively. Additionally, needle guidance with combined ultrasound and PAI was demonstrated using this imaging system. Up to 1.5 cm imaging depth was observed with a 10 Hz laser at an imaging frame rate of 5 frames per second, which is sufficient for future translation into human sentinel lymph node imaging and needle guidance for fine needle aspiration biopsy.
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Affiliation(s)
| | - Vijitha Periyasamy
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, Singapore
| | - Manojit Pramanik
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, Singapore
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65
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Sivasubramanian K, Periyasamy V, Pramanik M. Hand-held Clinical Photoacoustic Imaging System for Real-time Non-invasive Small Animal Imaging. J Vis Exp 2017:56649. [PMID: 29155745 PMCID: PMC5752415 DOI: 10.3791/56649] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Translation of photoacoustic imaging into the clinic is a major challenge. Handheld real-time clinical photoacoustic imaging systems are very rare. Here, we report a combined photoacoustic and clinical ultrasound imaging system by integrating an ultrasound probe with light delivery for small animal imaging. We demonstrate this by showing sentinel lymph node imaging in small animals along with minimally invasive real-time needle guidance. A clinical ultrasound platform with access to raw channel data allows the integration of photoacoustic imaging leading to a handheld real-time clinical photoacoustic imaging system. Methylene blue was used for sentinel lymph node imaging at 675 nm wavelength. Additionally, needle guidance with dual modal ultrasound and photoacoustic imaging was shown using the imaging system. Depth imaging of up to 1.5 cm was demonstrated with a 10 Hz laser at a photoacoustic imaging frame rate of 5 frames per second.
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Affiliation(s)
| | - Vijitha Periyasamy
- School of Chemical and Biomedical Engineering, Nanyang Technological University
| | - Manojit Pramanik
- School of Chemical and Biomedical Engineering, Nanyang Technological University;
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66
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Park S, Jang J, Kim J, Kim YS, Kim C. Real-time Triple-modal Photoacoustic, Ultrasound, and Magnetic Resonance Fusion Imaging of Humans. IEEE TRANSACTIONS ON MEDICAL IMAGING 2017; 36:1912-1921. [PMID: 28436857 DOI: 10.1109/tmi.2017.2696038] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Imaging that fuses multiple modes has become a useful tool for diagnosis and therapeutic monitoring. As a next step, real-time fusion imaging has attracted interest as for a tool to guide surgery. One widespread fusion imaging technique in surgery combines real-time ultrasound (US) imaging and pre-acquired magnetic resonance (MR) imaging. However, US imaging visualizes only structural information with relatively low contrast. Here, we present a photoacoustic (PA), US, and MR fusion imaging system which integrates a clinical PA and US imaging system with an optical tracking-based navigation sub-system. Through co-registration of pre-acquired MR and real-time PA/US images, overlaid PA, US, and MR images can be concurrently displayed in real time. We successfully acquired fusion images from a phantom and a blood vessel in a human forearm. This fusion imaging can complementarily delineate the morphological and vascular structure of tissues with good contrast and sensitivity, has a well-established user interface, and can be flexibly integrated with clinical environments. As a novel fusion imaging, the proposed triple-mode imaging can provide comprehensive image guidance in real time, and can potentially assist various surgeries.
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67
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Chae HD, Lee JY, Jang JY, Chang JH, Kang J, Kang MJ, Han JK. Photoacoustic Imaging for Differential Diagnosis of Benign Polyps versus Malignant Polyps of the Gallbladder: A Preliminary Study. Korean J Radiol 2017; 18:821-827. [PMID: 28860899 PMCID: PMC5552465 DOI: 10.3348/kjr.2017.18.5.821] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 04/04/2017] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE To investigate the feasibility of ex vivo multispectral photoacoustic (PA) imaging in differentiating cholesterol versus neoplastic polyps, and benign versus malignant polyps, of the gallbladder. MATERIALS AND METHODS A total of 38 surgically confirmed gallbladder polyps (24 cholesterol polyps, 4 adenomas, and 10 adenocarcinomas) from 38 patients were prospectively included in this study. The surgical specimens were set on a gel pad immersed in a saline-filled container. The PA intensities of polyps were then measured, using two separate wavelength intervals (421-647 nm and 692-917 nm). Mann-Whitney U test was performed for the comparison of normalized PA intensities between the cholesterol and neoplastic polyps, and between the benign and malignant polyps. Kruskal-Wallis test was conducted for the comparison of normalized PA intensities among the cholesterol polyps, adenomas, and adenocarcinomas. RESULTS A significant difference was observed in the normalized PA intensities between the cholesterol and neoplastic polyps at 459 nm (median, 1.00 vs. 0.73; p = 0.032). Comparing the benign and malignant polyps, there were significant differences in the normalized PA intensities at 765 nm (median, 0.67 vs. 0.78; p = 0.013), 787 nm (median, 0.65 vs. 0.77; p = 0.034), and 853 nm (median, 0.59 vs. 0.85; p = 0.028). The comparison of the normalized PA intensities among cholesterol polyps, adenomas, and adenocarcinomas demonstrated marginally significant differences at 765 nm (median, 0.67 vs. 0.66 vs. 0.78, respectively; p = 0.049). CONCLUSION These preliminary results indicate that benign versus malignant gallbladder polyps might exhibit different spectral patterns on multispectral PA imaging.
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Affiliation(s)
- Hee-Dong Chae
- Department of Radiology and Institute of Radiation Medicine, Seoul National University College of Medicine, Clinical Research Institute, Seoul National University Hospital, Seoul 03080, Korea
| | - Jae Young Lee
- Department of Radiology and Institute of Radiation Medicine, Seoul National University College of Medicine, Clinical Research Institute, Seoul National University Hospital, Seoul 03080, Korea
| | - Jin-Young Jang
- Division of Hepatobiliary-Pancreatic Surgery, Department of Surgery, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Jin Ho Chang
- Sogang Institute of Advanced Technology, Sogang University, Seoul 04107, Korea.,Department of Biomedical Engineering, Sogang University, Seoul 04107, Korea
| | - Jeeun Kang
- Department of Electronic Engineering, Sogang University, Seoul 04107, Korea
| | - Mee Joo Kang
- Division of Hepatobiliary-Pancreatic Surgery, Department of Surgery, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Joon Koo Han
- Department of Radiology and Institute of Radiation Medicine, Seoul National University College of Medicine, Clinical Research Institute, Seoul National University Hospital, Seoul 03080, Korea
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68
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Ul Haq I, Nagaoka R, Siregar S, Saijo Y. Sparse-representation-based denoising of photoacoustic images. Biomed Phys Eng Express 2017. [DOI: 10.1088/2057-1976/aa7a44] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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69
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Chen D, Wu IC, Liu Z, Tang Y, Chen H, Yu J, Wu C, Chiu DT. Semiconducting polymer dots with bright narrow-band emission at 800 nm for biological applications. Chem Sci 2017; 8:3390-3398. [PMID: 28507710 PMCID: PMC5416912 DOI: 10.1039/c7sc00441a] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Accepted: 03/01/2017] [Indexed: 12/21/2022] Open
Abstract
The development of near-infrared (NIR) fluorescent probes is critical for in vivo exploration of the fundamental and complex processes in living systems by noninvasive fluorescence imaging techniques. Semiconducting polymer dots (Pdots) are emerging as important probes that exhibit several advantages, such as high brightness and biocompatibility. However, NIR-emitting Pdots are very rare, particularly at the center (∼800 nm) of the first optical window of biological tissues (between 650 nm and 950 nm). In this paper, we describe the synthesis of a semiconducting polymer with bright and narrow-band emission at 800 nm. The polymer was designed by incorporating a NIR porphyrin unit into a conjugated backbone; the polymer used a cascade energy transfer to produce the signal. The resulting Pdots possessed a narrow emission bandwidth (FWHM ∼ 23 nm) and good fluorescence quantum yield (QY = 8%), which is high for a near-IR emitter. The Pdots were bioconjugated with streptavidin for specific labeling of cellular targets, yielding higher staining index when compared with commercial NIR probes, such as PE-Cy7. Moreover, the NIR polymer was combined with a long-wavelength absorbing polymer to make bright Pdots (QY = 15%) for in vivo noninvasive imaging. These NIR Pdots with surface PEGylation led to high-contrast imaging of lymph nodes and tumors in a mouse model. This work highlights the great potential of the NIR Pdots for cellular and in vivo imaging applications.
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Affiliation(s)
- Dandan Chen
- Department of Biomedical Engineering , Southern University of Science and Technology , Shenzhen , Guangdong 510855 , China .
- State Key Laboratory on Integrated Optoelectronics , College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - I-Che Wu
- Department of Chemistry and Bioengineering , University of Washington , Seattle , Washington 98195 , USA .
| | - Zhihe Liu
- State Key Laboratory on Integrated Optoelectronics , College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - Ying Tang
- State Key Laboratory on Integrated Optoelectronics , College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - Haobin Chen
- State Key Laboratory on Integrated Optoelectronics , College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - Jiangbo Yu
- Department of Chemistry and Bioengineering , University of Washington , Seattle , Washington 98195 , USA .
| | - Changfeng Wu
- Department of Biomedical Engineering , Southern University of Science and Technology , Shenzhen , Guangdong 510855 , China .
| | - Daniel T Chiu
- Department of Chemistry and Bioengineering , University of Washington , Seattle , Washington 98195 , USA .
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70
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Yang Z, Tian R, Wu J, Fan Q, Yung BC, Niu G, Jacobson O, Wang Z, Liu G, Yu G, Huang W, Song J, Chen X. Impact of Semiconducting Perylene Diimide Nanoparticle Size on Lymph Node Mapping and Cancer Imaging. ACS NANO 2017; 11:4247-4255. [PMID: 28345873 DOI: 10.1021/acsnano.7b01261] [Citation(s) in RCA: 127] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Semiconducting molecules of perylene diimide (PDI) with strong light absorption properties in the near-infrared region and good biocompatibility have received increasing attention in the field of theranostics, especially as photoacoustic (PA) imaging agents. Herein, we report a series of [64Cu]-labeled PDI nanoparticles (NPs) of different sizes (30, 60, 100, and 200 nm) as dual positron emission tomography (PET) and PA imaging probes and photothermal therapy agents. The precise size control of the PDI NPs can be achieved by adjusting the initial concentration of PDI molecules in the self-assembly process, and the photophysical property of different sized PDI NPs was studied in detail. Furthermore, we systematically investigated the size-dependent accumulation of the PDI NPs in the lymphatic system after local administration and in tumors after intravenous injection by PA and PET imaging. The results revealed that 100 nm is the best size for differentiating popliteal and sciatic LNs since the interval is around 60 min for the NPs to migrate from popliteal LNs to sciatic LNs, which is an ideal time window to facilitate surgical sentinel LN biopsy and pathological examination. Furthermore, different migration times of the different-sized PDI NPs will provide more choices for surgeons to map the specific tumor relevant LNs. PDI NP theranostics can also be applied to imaging-guided cancer therapy. The NPs with a size of 60 nm appear to be the best for tumor imaging and photothermal cancer therapy due to the maximum tumor accumulation efficiency. Thus, our study not only presents organic PDI NP theranostics but also introduces different-sized NPs for multiple bioapplications.
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Affiliation(s)
- Zhen Yang
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications , Nanjing 210023, China
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) Bethesda, Maryland 20892, United States
| | - Rui Tian
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) Bethesda, Maryland 20892, United States
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University , Xiamen 361102, China
| | - Jinjun Wu
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications , Nanjing 210023, China
| | - Quli Fan
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications , Nanjing 210023, China
| | - Bryant C Yung
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) Bethesda, Maryland 20892, United States
| | - Gang Niu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) Bethesda, Maryland 20892, United States
| | - Orit Jacobson
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) Bethesda, Maryland 20892, United States
| | - Zhantong Wang
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) Bethesda, Maryland 20892, United States
| | - Gang Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University , Xiamen 361102, China
| | - Guocan Yu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) Bethesda, Maryland 20892, United States
| | - Wei Huang
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications , Nanjing 210023, China
| | - Jibin Song
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) Bethesda, Maryland 20892, United States
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) Bethesda, Maryland 20892, United States
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71
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Gawale Y, Adarsh N, Kalva SK, Joseph J, Pramanik M, Ramaiah D, Sekar N. Carbazole-Linked Near-Infrared Aza-BODIPY Dyes as Triplet Sensitizers and Photoacoustic Contrast Agents for Deep-Tissue Imaging. Chemistry 2017; 23:6570-6578. [DOI: 10.1002/chem.201605702] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Indexed: 02/02/2023]
Affiliation(s)
- Yogesh Gawale
- Dyestuff Technology Department; Institute of Chemical Technology; Matunga, Mumbai 400 019 India
| | - Nagappanpillai Adarsh
- Chemical Sciences and Technology Division; CSIR-National Institute for Interdisciplinary Science and Technology; Thiruvananthapuram 695 019 Kerala India
| | - Sandeep Kumar Kalva
- School of Chemical and Biomedical Engineering; Nanyang Technological University; 62 Nanyang Drive Singapore 637459 Singapore
| | - Joshy Joseph
- Chemical Sciences and Technology Division; CSIR-National Institute for Interdisciplinary Science and Technology; Thiruvananthapuram 695 019 Kerala India
| | - Manojit Pramanik
- School of Chemical and Biomedical Engineering; Nanyang Technological University; 62 Nanyang Drive Singapore 637459 Singapore
| | - Danaboyina Ramaiah
- CSIR-North East Institute of Science and Technology, Jorhat; 785 006 Assam India
| | - Nagaiyan Sekar
- Dyestuff Technology Department; Institute of Chemical Technology; Matunga, Mumbai 400 019 India
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72
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Sivasubramanian K, Periyasamy V, Wen KK, Pramanik M. Optimizing light delivery through fiber bundle in photoacoustic imaging with clinical ultrasound system: Monte Carlo simulation and experimental validation. JOURNAL OF BIOMEDICAL OPTICS 2017; 22:41008. [PMID: 27997016 DOI: 10.1117/1.jbo.22.4.041008] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Accepted: 11/28/2016] [Indexed: 05/04/2023]
Abstract
Translating photoacoustic (PA) imaging into clinical setup is a challenge. We report an integrated PA and ultrasound imaging system by combining the light delivery to the tissue with the ultrasound probe. First, Monte Carlo simulations were run to study the variation in absorbance within tissue for different angles of illumination, fiber-to-probe distance (FPD), and fiber-to-tissue distance (FTD). This is followed by simulation for different depths of the embedded sphere (object of interest). Several probe holders were designed for different light launching angles. Phantoms were developed to mimic a sentinel lymph node imaging scenario. It was observed that, for shallower imaging depths, the variation in signal-to-noise ratio (SNR) values could be as high as 100% depending on the angle of illumination at a fixed FPD and FTD. Results confirm that different light illumination angles are required for different imaging depths to get the highest SNR PA images. The results also validate that one can use Monte Carlo simulation as a tool to optimize the probe holder design depending on the imaging needs. This eliminates a trial-and-error approach generally used for designing a probe holder.
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Affiliation(s)
- Kathyayini Sivasubramanian
- Nanyang Technological University, School of Chemical and Biomedical Engineering, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Vijitha Periyasamy
- Nanyang Technological University, School of Chemical and Biomedical Engineering, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Kew Kok Wen
- Nanyang Technological University, School of Chemical and Biomedical Engineering, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Manojit Pramanik
- Nanyang Technological University, School of Chemical and Biomedical Engineering, 62 Nanyang Drive, Singapore 637459, Singapore
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73
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Upputuri PK, Pramanik M. Recent advances toward preclinical and clinical translation of photoacoustic tomography: a review. JOURNAL OF BIOMEDICAL OPTICS 2017; 22:41006. [PMID: 27893078 DOI: 10.1117/1.jbo.22.4.041006] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 10/31/2016] [Indexed: 05/18/2023]
Affiliation(s)
- Paul Kumar Upputuri
- Nanyang Technological University, School of Chemical and Biomedical Engineering, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Manojit Pramanik
- Nanyang Technological University, School of Chemical and Biomedical Engineering, 62 Nanyang Drive, Singapore 637459, Singapore
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74
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Kang J, Chang JH, Kim SM, Lee HJ, Kim H, Wilson BC, Song TK. Real-time sentinel lymph node biopsy guidance using combined ultrasound, photoacoustic, fluorescence imaging: in vivo proof-of-principle and validation with nodal obstruction. Sci Rep 2017; 7:45008. [PMID: 28327582 PMCID: PMC5361205 DOI: 10.1038/srep45008] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 02/20/2017] [Indexed: 12/20/2022] Open
Abstract
Precise sentinel lymph node (SLN) identification is crucial not only for accurate diagnosis of micro-metastases at an early stage of cancer progression but also for reducing the number of SLN biopsies (SLNB) to minimize their severe side effects. Furthermore, it is desirable that an SLNB guidance should be as safe as possible in routine clinical use. Although there are currently various SLNB guidance methods for pre-operative or intra-operative assessment, none are ideal. We propose a real-time SLNB guidance method using contrast-enhanced tri-modal images (i.e., ultrasound, photoacoustic, and fluorescence) acquired by a recently developed hand-held tri-modal probe. The major advantage of tri-modal imaging is demonstrated here through an in vivo study of the technically-difficult case of nodal obstruction that frequently leads to false-negative results in patients. The results in a tumor model in rabbits and normal controls showed that tri-modal imaging is capable of clearly identifying obstructed SLNs and of indicating their metastatic involvement. Based on these findings, we propose an SLNB protocol to help surgeons take full advantage of the complementary information obtained from tri-modal imaging, including for pre-operative localization, intra-operative biopsy guidance and post-operative analysis.
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Affiliation(s)
- Jeeun Kang
- Department of Electronic Engineering, Sogang University, Seoul, 04107, South Korea
| | - Jin Ho Chang
- Department of Electronic Engineering, Sogang University, Seoul, 04107, South Korea.,Sogang Institute of Advanced Technology, Sogang University, Seoul, 04107, South Korea.,Department of Biomedical Engineering, Sogang University, Seoul, 04107, South Korea
| | - Sun Mi Kim
- Department of Radiology, Seoul National University of Bundang Hospital, Kyeonggi-do, 13620, South Korea
| | - Hak Jong Lee
- Department of Radiology, Seoul National University of Bundang Hospital, Kyeonggi-do, 13620, South Korea
| | - Haemin Kim
- Department of Biomedical Engineering, Sogang University, Seoul, 04107, South Korea
| | - Brian C Wilson
- Princess Margaret Cancer Centre, University Health Network, M5G 1L7, Canada.,Department of Medical Biophysics, Faculty of Medicine, University of Toronto, Ontario M5G 1L7, Canada
| | - Tai-Kyong Song
- Department of Electronic Engineering, Sogang University, Seoul, 04107, South Korea
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75
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Hysi E, Wirtzfeld LA, May JP, Undzys E, Li SD, Kolios MC. Photoacoustic signal characterization of cancer treatment response: Correlation with changes in tumor oxygenation. PHOTOACOUSTICS 2017; 5:25-35. [PMID: 28393017 PMCID: PMC5377014 DOI: 10.1016/j.pacs.2017.03.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Revised: 01/18/2017] [Accepted: 03/13/2017] [Indexed: 05/20/2023]
Abstract
Frequency analysis of the photoacoustic radiofrequency signals and oxygen saturation estimates were used to monitor the in-vivo response of a novel, thermosensitive liposome treatment. The liposome encapsulated doxorubicin (HaT-DOX) releasing it rapidly (<20 s) when the tumor was exposed to mild hyperthermia (43 °C). Photoacoustic imaging (VevoLAZR, 750/850 nm, 40 MHz) of EMT-6 breast cancer tumors was performed 30 min pre- and post-treatment and up to 7 days post-treatment (at 2/5/24 h timepoints). HaT-DOX-treatment responders exhibited on average a 22% drop in oxygen saturation 2 h post-treatment and a decrease (45% at 750 nm and 73% at 850 nm) in the slope of the normalized PA frequency spectra. The spectral slope parameter correlated with treatment-induced hemorrhaging which increased the optical absorber effective size via interstitial red blood cell leakage. Combining frequency analysis and oxygen saturation estimates differentiated treatment responders from non-responders/control animals by probing the treatment-induced structural changes of blood vessel.
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Affiliation(s)
- Eno Hysi
- Department of Physics, Ryerson University, Toronto, M5 B 2K3, Canada
- Institute for Biomedical Engineering, Science and Technology, Li Ka Shing Knowledge Institute, Keenan Research Center, St. Michael’s Hospital, Toronto, M5 B 1T8, Canada
| | - Lauren A. Wirtzfeld
- Department of Physics, Ryerson University, Toronto, M5 B 2K3, Canada
- Institute for Biomedical Engineering, Science and Technology, Li Ka Shing Knowledge Institute, Keenan Research Center, St. Michael’s Hospital, Toronto, M5 B 1T8, Canada
| | - Jonathan P. May
- Faculty of Pharmaceutical Sciences, The University of British Colombia, Vancouver, V6T 1Z3, Canada
| | - Elijus Undzys
- Drug Delivery and Formulation Group, Ontario Institute for Cancer Research, Toronto, M5G 0A3, Canada
| | - Shyh-Dar Li
- Faculty of Pharmaceutical Sciences, The University of British Colombia, Vancouver, V6T 1Z3, Canada
| | - Michael C. Kolios
- Department of Physics, Ryerson University, Toronto, M5 B 2K3, Canada
- Institute for Biomedical Engineering, Science and Technology, Li Ka Shing Knowledge Institute, Keenan Research Center, St. Michael’s Hospital, Toronto, M5 B 1T8, Canada
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76
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Kalva SK, Pramanik M. Use of acoustic reflector to make a compact photoacoustic tomography system. JOURNAL OF BIOMEDICAL OPTICS 2017; 22:26009. [PMID: 28241275 DOI: 10.1117/1.jbo.22.2.026009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 02/08/2017] [Indexed: 06/06/2023]
Abstract
A typical photoacoustic tomography (PAT) system uses a Q-switched Nd:YAG laser for irradiating the sample and a single-element ultrasound transducer (UST) for acquiring the photoacoustic data. Conventionally, in PAT systems, the UST is held in a horizontal position and moved in a circular motion around the sample in full 2 ? radians. Horizontal positioning of the UST requires a large water tank to house, and load on the motor is also high. To overcome this limitation, we used the UST in the vertical plane instead of the horizontal plane. The photoacoustic (PA) waves generated from the sample are directed to the detector surface using an acoustic reflector placed at 45 deg to the transducer body. Hence, we can reduce the scanning radius, which, in turn, will reduce the size of the water tank and load on the motor, and the overall conventional PAT system size can be minimized. In this work, we demonstrate that with this system configuration, we acquire nearly similar images for phantom and in vivo data as that of the conventional PAT system using both flat and focused USTs.
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Affiliation(s)
- Sandeep Kumar Kalva
- Nanyang Technological University, School of Chemical and Biomedical Engineering, Singapore
| | - Manojit Pramanik
- Nanyang Technological University, School of Chemical and Biomedical Engineering, Singapore
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77
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Contrast-enhanced dual mode imaging: photoacoustic imaging plus more. Biomed Eng Lett 2017; 7:121-133. [PMID: 30603159 DOI: 10.1007/s13534-016-0006-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 11/16/2016] [Accepted: 11/20/2016] [Indexed: 10/20/2022] Open
Abstract
Conventional biomedical imaging modalities in wide clinical use, such as ultrasound imaging, X-ray computed tomography, magnetic resonance imaging, and positron emission tomography, can provide morphological, anatomical, and functional information about biological tissues. However, single mode imaging in conventional medicine provides only limited information for definitive diagnoses. Thus, combinational diagnosis using multiple imaging modalities has become increasingly important. Recently, photoacoustic imaging (PAI) has gained significant attention, and several PAI prototypes have been used in clinical trials. At the same time, PAI has been tested in combination with conventional imaging modalities. For all these imaging modalities, various contrast-enhancing agents have been developed for various purposes. In this review article, we will focus on recent progress in developing dual mode contrast agents for PAI in combination with other conventional imaging modalities.
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78
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Arthuis CJ, Novell A, Raes F, Escoffre JM, Lerondel S, Le Pape A, Bouakaz A, Perrotin F. Real-Time Monitoring of Placental Oxygenation during Maternal Hypoxia and Hyperoxygenation Using Photoacoustic Imaging. PLoS One 2017; 12:e0169850. [PMID: 28081216 PMCID: PMC5232166 DOI: 10.1371/journal.pone.0169850] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Accepted: 12/22/2016] [Indexed: 12/15/2022] Open
Abstract
Purpose This preclinical study aimed to evaluate placental oxygenation in pregnant rats by real-time photoacoustic (PA) imaging on different days of gestation and to specify variations in placental oxygen saturation under conditions of maternal hypoxia and hyperoxygenation. Material and methods Placentas of fifteen Sprague-Dawley rats were examined on days 14, 17, and 20 of pregnancy with a PA imaging system coupled to high-resolution ultrasound imaging. Pregnant rats were successively exposed to hyperoxygenated and hypoxic conditions by changing the oxygen concentration in inhaled gas. Tissue oxygen saturation was quantitatively analyzed by real-time PA imaging in the skin and 3 regions of the placenta. All procedures were performed in accordance with applicable ethical guidelines and approved by the animal care committee. Results Maternal hypoxia was associated with significantly greater decrease in blood oxygen saturation (ΔO2 Saturation) in the skin (70.74% ±7.65) than in the mesometrial triangle (32.66% ±5.75) or other placental areas (labyrinth: 18.58% ± 6.61; basal zone: 13.13% ±5.72) on different days of pregnancy (P<0.001). ΔO2 Saturation did not differ significantly between the labyrinth, the basal zone, and the decidua. After the period of hypoxia, maternal hyperoxygenation led to a significant rise in oxygen saturation, which returned to its initial values in the different placental regions (P<0.001). Conclusions PA imaging enables the variation of blood oxygen saturation to be monitored in the placenta during maternal hypoxia or hyperoxygenation. This first preclinical study suggests that the placenta plays an important role in protecting the fetus against maternal hypoxia.
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Affiliation(s)
- Chloé J. Arthuis
- Inserm U930, François Rabelais University, Tours, France
- University Hospital Center of Tours, Department of Obstetrics, Gynecology and Fetal Medicine, Tours, France
- * E-mail:
| | - Anthony Novell
- Inserm U930, François Rabelais University, Tours, France
| | - Florian Raes
- PHENOMIN-TAAM-UPS44, Center for Small Animal Imaging (CIPA), CNRS Orléans, France
| | | | - Stéphanie Lerondel
- PHENOMIN-TAAM-UPS44, Center for Small Animal Imaging (CIPA), CNRS Orléans, France
| | - Alain Le Pape
- PHENOMIN-TAAM-UPS44, Center for Small Animal Imaging (CIPA), CNRS Orléans, France
| | - Ayache Bouakaz
- Inserm U930, François Rabelais University, Tours, France
| | - Franck Perrotin
- Inserm U930, François Rabelais University, Tours, France
- University Hospital Center of Tours, Department of Obstetrics, Gynecology and Fetal Medicine, Tours, France
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Du Y, Jiang Q, Beziere N, Song L, Zhang Q, Peng D, Chi C, Yang X, Guo H, Diot G, Ntziachristos V, Ding B, Tian J. DNA-Nanostructure-Gold-Nanorod Hybrids for Enhanced In Vivo Optoacoustic Imaging and Photothermal Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:10000-10007. [PMID: 27679425 DOI: 10.1002/adma.201601710] [Citation(s) in RCA: 148] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 08/16/2016] [Indexed: 05/20/2023]
Abstract
A functional cancer theranostic nanoplatform is developed, specifically tailored toward the optoacoustic modality by combining gold nanorods with DNA nanostructures (D-AuNR). DNA origami is used as an efficient delivery vehicle owing to its prominent tumor-targeting property. The D-AuNR hybrids display an enhanced tumor diagnostic sensitivity by improved optoacoustic imaging and excellent photothermal therapeutic properties in vivo.
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Affiliation(s)
- Yang Du
- The Key Laboratory of Molecular Imaging, Chinese Academy of Sciences, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
| | - Qiao Jiang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Nicolas Beziere
- Institute for Biological and Medical Imaging (IBMI), Helmholtz Zentrum München and Technische Universität München, 85764, Neuherberg, Germany
| | - Linlin Song
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Qian Zhang
- The Key Laboratory of Molecular Imaging, Chinese Academy of Sciences, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
| | - Dong Peng
- The Key Laboratory of Molecular Imaging, Chinese Academy of Sciences, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chongwei Chi
- The Key Laboratory of Molecular Imaging, Chinese Academy of Sciences, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
| | - Xin Yang
- The Key Laboratory of Molecular Imaging, Chinese Academy of Sciences, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
| | - Hongbo Guo
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Gaël Diot
- Institute for Biological and Medical Imaging (IBMI), Helmholtz Zentrum München and Technische Universität München, 85764, Neuherberg, Germany
| | - Vasilis Ntziachristos
- Institute for Biological and Medical Imaging (IBMI), Helmholtz Zentrum München and Technische Universität München, 85764, Neuherberg, Germany
| | - Baoquan Ding
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Jie Tian
- The Key Laboratory of Molecular Imaging, Chinese Academy of Sciences, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
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80
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Kim J, Park S, Jung Y, Chang S, Park J, Zhang Y, Lovell JF, Kim C. Programmable Real-time Clinical Photoacoustic and Ultrasound Imaging System. Sci Rep 2016; 6:35137. [PMID: 27731357 PMCID: PMC5059665 DOI: 10.1038/srep35137] [Citation(s) in RCA: 126] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 09/22/2016] [Indexed: 01/28/2023] Open
Abstract
Photoacoustic imaging has attracted interest for its capacity to capture functional spectral information with high spatial and temporal resolution in biological tissues. Several photoacoustic imaging systems have been commercialized recently, but they are variously limited by non-clinically relevant designs, immobility, single anatomical utility (e.g., breast only), or non-programmable interfaces. Here, we present a real-time clinical photoacoustic and ultrasound imaging system which consists of an FDA-approved clinical ultrasound system integrated with a portable laser. The system is completely programmable, has an intuitive user interface, and can be adapted for different applications by switching handheld imaging probes with various transducer types. The customizable photoacoustic and ultrasound imaging system is intended to meet the diverse needs of medical researchers performing both clinical and preclinical photoacoustic studies.
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Affiliation(s)
- Jeesu Kim
- Departments of Creative IT Engineering and Electrical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Sara Park
- Departments of Creative IT Engineering and Electrical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Yuhan Jung
- Departments of Creative IT Engineering and Electrical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Sunyeob Chang
- Alpinion Medical Systems, 72 Digital-Ro 26-Gil, Guro-Gu, Seoul, 08393, Republic of Korea
| | - Jinyong Park
- Alpinion Medical Systems, 72 Digital-Ro 26-Gil, Guro-Gu, Seoul, 08393, Republic of Korea
| | - Yumiao Zhang
- Department of Biomedical Engineering, University at Buffalo, The State University of New York, Buffalo, NY 14260, United States of America
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, The State University of New York, Buffalo, NY 14260, United States of America
| | - Chulhong Kim
- Departments of Creative IT Engineering and Electrical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Republic of Korea
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81
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Wang J, Chen F, Arconada-Alvarez SJ, Hartanto J, Yap LP, Park R, Wang F, Vorobyova I, Dagliyan G, Conti PS, Jokerst JV. A Nanoscale Tool for Photoacoustic-Based Measurements of Clotting Time and Therapeutic Drug Monitoring of Heparin. NANO LETTERS 2016; 16:6265-6271. [PMID: 27668964 PMCID: PMC5623117 DOI: 10.1021/acs.nanolett.6b02557] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Heparin anticoagulation therapy is an indispensable feature of clinical care yet has a narrow therapeutic window and is the second most common intensive care unit (ICU) medication error. The active partial thromboplastin time (aPTT) monitors heparin but suffers from long turnaround times, a variable reference range, limited utility with low molecular weight heparin, and poor correlation to dose. Here, we describe a photoacoustic imaging technique to monitor heparin concentration using methylene blue as a simple and Federal Drug Administration-approved contrast agent. We found a strong correlation between heparin concentration and photoacoustic signal measured in phosphate buffered saline (PBS) and blood. Clinically relevant heparin concentrations were detected in blood in 32 s with a detection limit of 0.28 U/mL. We validated this imaging approach by correlation to the aPTT (Pearson's r = 0.86; p < 0.05) as well as with protamine sulfate treatment. This technique also has good utility with low molecular weight heparin (enoxaparin) including a blood detection limit of 72 μg/mL. We then used these findings to create a nanoparticle-based hybrid material that can immobilize methylene blue for potential applications as a wearable/implantable heparin sensor to maintain drug levels in the therapeutic window. To the best of our knowledge, this is the first use of photoacoustics to image anticoagulation therapy with significant potential implications to the cardiovascular and surgical community.
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Affiliation(s)
- Junxin Wang
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
| | - Fang Chen
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
- Materials Science and Engineering Program, University of California San Diego, La Jolla, California 92093, United States
| | | | - James Hartanto
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
| | - Li-Peng Yap
- Molecular Imaging Center, University of Southern California Keck School of Medicine, Los Angeles, California 90089, United States
| | - Ryan Park
- Molecular Imaging Center, University of Southern California Keck School of Medicine, Los Angeles, California 90089, United States
| | - Fang Wang
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
- University of Science and Technology Beijing, Research Center for Bioengineering and Sensing Technology, Beijing 100083, People’s Republic of China
| | - Ivetta Vorobyova
- Molecular Imaging Center, University of Southern California Keck School of Medicine, Los Angeles, California 90089, United States
| | - Grant Dagliyan
- Molecular Imaging Center, University of Southern California Keck School of Medicine, Los Angeles, California 90089, United States
| | - Peter S. Conti
- Molecular Imaging Center, University of Southern California Keck School of Medicine, Los Angeles, California 90089, United States
| | - Jesse V. Jokerst
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
- Materials Science and Engineering Program, University of California San Diego, La Jolla, California 92093, United States
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82
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Liu C, Gong X, Lin R, Liu F, Chen J, Wang Z, Song L, Chu J. Advances in Imaging Techniques and Genetically Encoded Probes for Photoacoustic Imaging. Am J Cancer Res 2016; 6:2414-2430. [PMID: 27877244 PMCID: PMC5118604 DOI: 10.7150/thno.15878] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 05/31/2016] [Indexed: 11/05/2022] Open
Abstract
Photoacoustic (PA) imaging is a rapidly emerging biomedical imaging modality that is capable of visualizing cellular and molecular functions with high detection sensitivity and spatial resolution in deep tissue. Great efforts and progress have been made on the development of various PA imaging technologies with improved resolution and sensitivity over the past two decades. Various PA probes with high contrast have also been extensively developed, with many important biomedical applications. In comparison with chemical dyes and nanoparticles, genetically encoded probes offer easier labeling of defined cells within tissues or proteins of interest within a cell, have higher stability in vivo, and eliminate the need for delivery of exogenous substances. Genetically encoded probes have thus attracted increasing attention from researchers in engineering and biomedicine. In this review, we aim to provide an overview of the existing PA imaging technologies and genetically encoded PA probes, and describe further improvements in PA imaging techniques and the near-infrared photochromic protein BphP1, the most sensitive genetically encoded probe thus far, as well as the potential biomedical applications of BphP1-based PA imaging in vivo.
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83
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Bhatt M, Acharya A, Yalavarthy PK. Computationally efficient error estimate for evaluation of regularization in photoacoustic tomography. JOURNAL OF BIOMEDICAL OPTICS 2016; 21:106002. [PMID: 27762422 DOI: 10.1117/1.jbo.21.10.106002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 09/14/2016] [Indexed: 05/20/2023]
Abstract
The model-based image reconstruction techniques for photoacoustic (PA) tomography require an explicit regularization. An error estimate (?2) minimization-based approach was proposed and developed for the determination of a regularization parameter for PA imaging. The regularization was used within Lanczos bidiagonalization framework, which provides the advantage of dimensionality reduction for a large system of equations. It was shown that the proposed method is computationally faster than the state-of-the-art techniques and provides similar performance in terms of quantitative accuracy in reconstructed images. It was also shown that the error estimate (?2) can also be utilized in determining a suitable regularization parameter for other popular techniques such as Tikhonov, exponential, and nonsmooth (?1 and total variation norm based) regularization methods.
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Affiliation(s)
- Manish Bhatt
- Indian Institute of Science, Medical Imaging Group, Department of Computational and Data Sciences, C V Raman Avenue, Bengaluru 560012, India
| | - Atithi Acharya
- Indian Institute of Science, Medical Imaging Group, Department of Computational and Data Sciences, C V Raman Avenue, Bengaluru 560012, India
| | - Phaneendra K Yalavarthy
- Indian Institute of Science, Medical Imaging Group, Department of Computational and Data Sciences, C V Raman Avenue, Bengaluru 560012, India
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84
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Vogt WC, Jia C, Wear KA, Garra BS, Joshua Pfefer T. Biologically relevant photoacoustic imaging phantoms with tunable optical and acoustic properties. JOURNAL OF BIOMEDICAL OPTICS 2016; 21:101405. [PMID: 26886681 PMCID: PMC4756225 DOI: 10.1117/1.jbo.21.10.101405] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 01/15/2016] [Indexed: 05/18/2023]
Abstract
Established medical imaging technologies such as magnetic resonance imaging and computed tomography rely on well-validated tissue-simulating phantoms for standardized testing of device image quality. The availability of high-quality phantoms for optical-acoustic diagnostics such as photoacoustic tomography (PAT) will facilitate standardization and clinical translation of these emerging approaches. Materials used in prior PAT phantoms do not provide a suitable combination of long-term stability and realistic acoustic and optical properties. Therefore, we have investigated the use of custom polyvinyl chloride plastisol (PVCP) formulations for imaging phantoms and identified a dual-plasticizer approach that provides biologically relevant ranges of relevant properties. Speed of sound and acoustic attenuation were determined over a frequency range of 4 to 9 MHz and optical absorption and scattering over a wavelength range of 400 to 1100 nm. We present characterization of several PVCP formulations, including one designed to mimic breast tissue. This material is used to construct a phantom comprised of an array of cylindrical, hemoglobin-filled inclusions for evaluation of penetration depth. Measurements with a custom near-infrared PAT imager provide quantitative and qualitative comparisons of phantom and tissue images. Results indicate that our PVCP material is uniquely suitable for PAT system image quality evaluation and may provide a practical tool for device validation and intercomparison.
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Affiliation(s)
- William C. Vogt
- U.S. Food and Drug Administration, Center for Devices and Radiological Health, 10903 New Hampshire Avenue, Silver Spring, Maryland 20993, United States
| | - Congxian Jia
- U.S. Food and Drug Administration, Center for Devices and Radiological Health, 10903 New Hampshire Avenue, Silver Spring, Maryland 20993, United States
| | - Keith A. Wear
- U.S. Food and Drug Administration, Center for Devices and Radiological Health, 10903 New Hampshire Avenue, Silver Spring, Maryland 20993, United States
| | - Brian S. Garra
- U.S. Food and Drug Administration, Center for Devices and Radiological Health, 10903 New Hampshire Avenue, Silver Spring, Maryland 20993, United States
| | - T. Joshua Pfefer
- U.S. Food and Drug Administration, Center for Devices and Radiological Health, 10903 New Hampshire Avenue, Silver Spring, Maryland 20993, United States
- Address all correspondence to: T. Joshua Pfefer, E-mail:
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85
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Liu Q, Zhou M, Li P, Ku G, Huang G, Li C, Song S. 64 CuS-labeled nanoparticles: a new sentinel-lymph-node-mapping agent for PET-CT and photoacoustic tomography. CONTRAST MEDIA & MOLECULAR IMAGING 2016; 11:475-481. [PMID: 27523742 DOI: 10.1002/cmmi.1709] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 06/13/2016] [Accepted: 06/23/2016] [Indexed: 01/13/2023]
Abstract
Determining sentinel lymph node (SLN) status is critical to cancer staging and treatment decisions. Currently, in clinical practice, 99m Tc-radiocolloid-mediated planar scintigraphy and single-photon emission computed tomography (SPECT) are used to guide the biopsy and resection of SLNs. Recently, an emerging technique that combines positron emission tomography (PET) and photoacoustic tomography (PAT; PET-PAT) may offer accurate information in detecting SLNs. Herein, we report a kind of 64 CuS-labeled nanoparticle (64 CuS-NP) for the detection of SLNs with PET-PAT. We subcutaneously injected 64 CuS-NPs into the rats' forepaw pads. After 24 h, the rats' first draining axillary lymph nodes (i.e. the SLNs) could be clearly visualized with micro-PET (μPET)-CT. Rats were sacrificed after μPET-CT imaging, their axillary lymph nodes were surgically identified, and then PAT was employed to discover 64 CuS-NP-avid SLNs, which were embedded inside tissues. Biodistribution, autoradiography, and copper staining analyses confirmed the SLNs' high uptake of 64 CuS-NPs. Our study indicates that 64 CuS-NPs are a promising dual-function agent for both PET-CT and PAT and could be used with multi-modal imaging strategies such as PET-PAT to identify SLNs in a clinical setting. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Qiufang Liu
- Department of Nuclear Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.,Institute of Clinical Nuclear Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.,Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200025, China
| | - Min Zhou
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, TX, USA
| | - Panli Li
- Department of Nuclear Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.,Institute of Clinical Nuclear Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.,Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200025, China
| | - Geng Ku
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, TX, USA
| | - Gang Huang
- Department of Nuclear Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.,Institute of Clinical Nuclear Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.,Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200025, China
| | - Chun Li
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, TX, USA
| | - Shaoli Song
- Department of Nuclear Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.,Institute of Clinical Nuclear Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.,Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200025, China
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86
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Kalva SK, Pramanik M. Experimental validation of tangential resolution improvement in photoacoustic tomography using modified delay-and-sum reconstruction algorithm. JOURNAL OF BIOMEDICAL OPTICS 2016; 21:86011. [PMID: 27548773 DOI: 10.1117/1.jbo.21.8.086011] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 08/03/2016] [Indexed: 05/20/2023]
Abstract
For a circular scanning geometry in photoacoustic tomography, the axial/radial resolution is spatially invariant and is not affected by the ultrasound transducer (UST, detector) aperture. However, the tangential resolution is dependent on the detector aperture size and it varies spatially. Many techniques were proposed to improve the tangential resolution, such as attaching a concave lens in front of the nonfocused transducer or using a virtual point detector. Both of these methods have difficulties. Therefore, a modified delay-and-sum reconstruction algorithm has been proposed which can be used together with a standard ultrasound detector (nonfocused) to improve the tangential resolution. In this work, we validate the modified delay-and-sum algorithm experimentally for both flat and cylindrically focused USTs. More than threefold improvement in tangential resolution is observed. It is also shown that the object shape is recovered with this modified algorithm, which is very helpful for diagnosis and treatment purposes.
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87
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Valluru KS, Wilson KE, Willmann JK. Photoacoustic Imaging in Oncology: Translational Preclinical and Early Clinical Experience. Radiology 2016; 280:332-49. [PMID: 27429141 PMCID: PMC4976462 DOI: 10.1148/radiol.16151414] [Citation(s) in RCA: 117] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Photoacoustic imaging has evolved into a clinically translatable platform with the potential to complement existing imaging techniques for the management of cancer, including detection, characterization, prognosis, and treatment monitoring. In photoacoustic imaging, tissue is optically excited to produce ultrasonographic images that represent a spatial map of optical absorption of endogenous constituents such as hemoglobin, fat, melanin, and water or exogenous contrast agents such as dyes and nanoparticles. It can therefore provide functional and molecular information that allows noninvasive soft-tissue characterization. Photoacoustic imaging has matured over the years and is currently being translated into the clinic with various clinical studies underway. In this review, the current state of photoacoustic imaging is presented, including techniques and instrumentation, followed by a discussion of potential clinical applications of this technique for the detection and management of cancer. (©) RSNA, 2016.
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Affiliation(s)
- Keerthi S. Valluru
- From the Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, 300 Pasteur Dr, Room H1307, Stanford, CA 94305-5621
| | - Katheryne E. Wilson
- From the Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, 300 Pasteur Dr, Room H1307, Stanford, CA 94305-5621
| | - Jürgen K. Willmann
- From the Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, 300 Pasteur Dr, Room H1307, Stanford, CA 94305-5621
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88
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Wang LV, Yao J. A practical guide to photoacoustic tomography in the life sciences. Nat Methods 2016; 13:627-38. [PMID: 27467726 PMCID: PMC4980387 DOI: 10.1038/nmeth.3925] [Citation(s) in RCA: 710] [Impact Index Per Article: 88.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 06/20/2016] [Indexed: 12/21/2022]
Abstract
The life sciences can benefit greatly from imaging technologies that connect microscopic discoveries with macroscopic observations. One technology uniquely positioned to provide such benefits is photoacoustic tomography (PAT), a sensitive modality for imaging optical absorption contrast over a range of spatial scales at high speed. In PAT, endogenous contrast reveals a tissue's anatomical, functional, metabolic, and histologic properties, and exogenous contrast provides molecular and cellular specificity. The spatial scale of PAT covers organelles, cells, tissues, organs, and small animals. Consequently, PAT is complementary to other imaging modalities in contrast mechanism, penetration, spatial resolution, and temporal resolution. We review the fundamentals of PAT and provide practical guidelines for matching PAT systems with research needs. We also summarize the most promising biomedical applications of PAT, discuss related challenges, and envision PAT's potential to lead to further breakthroughs.
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Affiliation(s)
- Lihong V. Wang
- Optical Imaging Laboratory, Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, USA
| | - Junjie Yao
- Optical Imaging Laboratory, Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, USA
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89
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Xia J, Kim C, Lovell JF. Opportunities for Photoacoustic-Guided Drug Delivery. Curr Drug Targets 2016; 16:571-81. [PMID: 26148989 DOI: 10.2174/1389450116666150707100328] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2014] [Revised: 09/11/2014] [Accepted: 09/11/2014] [Indexed: 01/23/2023]
Abstract
Photoacoustic imaging (PAI) is rapidly becoming established as a viable imaging modality for small animal research, with promise of near-future human clinical translation. In this review, we discuss emerging prospects for photoacoustic-guided drug delivery. PAI presents opportunities for applications related to drug delivery, mainly with respect to either monitoring drug effects or monitoring drugs themselves. PAI is well-suited for imaging disease pathology and treatment response. Alternatively, PAI can be used to directly monitor the accumulation of various light-absorbing contrast agents or carriers with theranostic properties.
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Affiliation(s)
| | | | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, Buffalo, USA.
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90
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Leahy M, Thompson K, Zafar H, Alexandrov S, Foley M, O'Flatharta C, Dockery P. Functional imaging for regenerative medicine. Stem Cell Res Ther 2016; 7:57. [PMID: 27095443 PMCID: PMC4837501 DOI: 10.1186/s13287-016-0315-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
In vivo imaging is a platform technology with the power to put function in its natural structural context. With the drive to translate stem cell therapies into pre-clinical and clinical trials, early selection of the right imaging techniques is paramount to success. There are many instances in regenerative medicine where the biological, biochemical, and biomechanical mechanisms behind the proposed function of stem cell therapies can be elucidated by appropriate imaging. Imaging techniques can be divided according to whether labels are used and as to whether the imaging can be done in vivo. In vivo human imaging places additional restrictions on the imaging tools that can be used. Microscopies and nanoscopies, especially those requiring fluorescent markers, have made an extraordinary impact on discovery at the molecular and cellular level, but due to their very limited ability to focus in the scattering tissues encountered for in vivo applications they are largely confined to superficial imaging applications in research laboratories. Nanoscopy, which has tremendous benefits in resolution, is limited to the near-field (e.g. near-field scanning optical microscope (NSNOM)) or to very high light intensity (e.g. stimulated emission depletion (STED)) or to slow stochastic events (photo-activated localization microscopy (PALM) and stochastic optical reconstruction microscopy (STORM)). In all cases, nanoscopy is limited to very superficial applications. Imaging depth may be increased using multiphoton or coherence gating tricks. Scattering dominates the limitation on imaging depth in most tissues and this can be mitigated by the application of optical clearing techniques that can impose mild (e.g. topical application of glycerol) or severe (e.g. CLARITY) changes to the tissue to be imaged. Progression of therapies through to clinical trials requires some thought as to the imaging and sensing modalities that should be used. Smoother progression is facilitated by the use of comparable imaging modalities throughout the discovery and trial phases, giving label-free techniques an advantage wherever they can be used, although this is seldom considered in the early stages. In this paper, we will explore the techniques that have found success in aiding discovery in stem cell therapies and try to predict the likely technologies best suited to translation and future directions.
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Affiliation(s)
- Martin Leahy
- Tissue Optics & Microcirculation Imaging Group, School of Physics, National University of Ireland (NUI), Galway, Ireland. .,Chair of Applied Physics, National University of Ireland (NUI), Galway, Ireland.
| | - Kerry Thompson
- Centre for Microscopy and Imaging, Anatomy, School of Medicine, National University of Ireland (NUI), Galway, Ireland
| | - Haroon Zafar
- Tissue Optics & Microcirculation Imaging Group, School of Physics, National University of Ireland (NUI), Galway, Ireland
| | - Sergey Alexandrov
- Tissue Optics & Microcirculation Imaging Group, School of Physics, National University of Ireland (NUI), Galway, Ireland
| | - Mark Foley
- Medical Physics Research Cluster, School of Physics, National University of Ireland (NUI), Galway, Ireland
| | - Cathal O'Flatharta
- Regenerative Medicine Institute (REMEDI), National University of Ireland (NUI), Galway, Ireland
| | - Peter Dockery
- Centre for Microscopy and Imaging, Anatomy, School of Medicine, National University of Ireland (NUI), Galway, Ireland
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91
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Hui J, Li R, Phillips EH, Goergen CJ, Sturek M, Cheng JX. Bond-selective photoacoustic imaging by converting molecular vibration into acoustic waves. PHOTOACOUSTICS 2016; 4:11-21. [PMID: 27069873 PMCID: PMC4811918 DOI: 10.1016/j.pacs.2016.01.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 01/11/2016] [Indexed: 05/04/2023]
Abstract
The quantized vibration of chemical bonds provides a way of detecting specific molecules in a complex tissue environment. Unlike pure optical methods, for which imaging depth is limited to a few hundred micrometers by significant optical scattering, photoacoustic detection of vibrational absorption breaks through the optical diffusion limit by taking advantage of diffused photons and weak acoustic scattering. Key features of this method include both high scalability of imaging depth from a few millimeters to a few centimeters and chemical bond selectivity as a novel contrast mechanism for photoacoustic imaging. Its biomedical applications spans detection of white matter loss and regeneration, assessment of breast tumor margins, and diagnosis of vulnerable atherosclerotic plaques. This review provides an overview of the recent advances made in vibration-based photoacoustic imaging and various biomedical applications enabled by this new technology.
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Affiliation(s)
- Jie Hui
- Department of Physics and Astronomy, Purdue University, West Lafayette, IN 47907, USA
| | - Rui Li
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Evan H. Phillips
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Craig J. Goergen
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Michael Sturek
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
- Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Ji-Xin Cheng
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
- Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA
- Purdue Institute of Inflammation, Immunology and Infectious Diseases, West Lafayette, IN 47907, USA
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92
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Liu Y, Nie L, Chen X. Photoacoustic Molecular Imaging: From Multiscale Biomedical Applications Towards Early-Stage Theranostics. Trends Biotechnol 2016; 34:420-433. [PMID: 26924233 DOI: 10.1016/j.tibtech.2016.02.001] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Revised: 01/28/2016] [Accepted: 02/01/2016] [Indexed: 10/22/2022]
Abstract
Photoacoustic imaging (PAI) has ushered in a new era of observational biotechnology and has facilitated the exploration of fundamental biological mechanisms and clinical translational applications, which has attracted tremendous attention in recent years. By converting laser into ultrasound emission, PAI combines rich optical contrast, high ultrasonic spatial resolution, and deep penetration depth in a single modality. This evolutional technique enables multiscale and multicontrast visualization from cells to organs, anatomy to function, and molecules to metabolism with high sensitivity and specificity. The state-of-the-art developments and applications of PAI are described in this review. Future prospects for clinical use are also highlighted. Collectively, PAI holds great promise to drive biomedical applications towards early-stage theranostics.
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Affiliation(s)
- Yajing Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine (CMITM), School of Public Health, Xiamen University, Xiamen 361102, China
| | - Liming Nie
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine (CMITM), School of Public Health, Xiamen University, Xiamen 361102, China.
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH), Bethesda, MD 20892, USA.
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93
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Pramanik M, Kim C. Looking deeper: multimodal and contrast-enhanced photoacoustic imaging offer a clearer view within tissues for more accurate diagnosis. IEEE Pulse 2016; 6:38-41. [PMID: 25974914 DOI: 10.1109/mpul.2015.2409101] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Optical imaging modalities such as fluorescence (FL) microscopy, multiphoton microscopy, and optical coherence tomography (OCT) have been well established for high optical contrast and high spatial resolution imaging of biological tissues. However, as they are dependent on ballistic photons, these methods fail to image beyond ~1 mm or so inside biological tissue. In contrast, diffuse optical imaging (DOI), which uses multiple scattered photons for imaging, can image much deeper (up to a several centimeters) into the tissue. Unfortunately, due to strong light scattering in tissues, it fails to maintain the high resolution at the deeper imaging depth. Photoacoustic imaging (PAI) bridges this gap of imaging deeper with high resolution and contrast by combining optical excitation with acoustic detection [1].
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94
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Sivasubramanian K, Pramanik M. High frame rate photoacoustic imaging at 7000 frames per second using clinical ultrasound system. BIOMEDICAL OPTICS EXPRESS 2016; 7:312-23. [PMID: 26977342 PMCID: PMC4771451 DOI: 10.1364/boe.7.000312] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Revised: 12/22/2015] [Accepted: 12/23/2015] [Indexed: 05/02/2023]
Abstract
Photoacoustic tomography, a hybrid imaging modality combining optical and ultrasound imaging, is gaining attention in the field of medical imaging. Typically, a Q-switched Nd:YAG laser is used to excite the tissue and generate photoacoustic signals. But, such photoacoustic imaging systems are difficult to translate into clinical applications owing to their high cost, bulky size often requiring an optical table to house such lasers. Moreover, the low pulse repetition rate of few tens of hertz prevents them from being used in high frame rate photoacoustic imaging. In this work, we have demonstrated up to 7000 Hz photoacoustic imaging (B-mode) and measured the flow rate of a fast moving object. We used a ~140 nanosecond pulsed laser diode as an excitation source and a clinical ultrasound imaging system to capture and display the photoacoustic images. The excitation laser is ~803 nm in wavelength with ~1.4 mJ energy per pulse. So far, the reported 2-dimensional photoacoustic B-scan imaging is only a few tens of frames per second using a clinical ultrasound system. Therefore, this is the first report on 2-dimensional photoacoustic B-scan imaging with 7000 frames per second. We have demonstrated phantom imaging to view and measure the flow rate of ink solution inside a tube. This fast photoacoustic imaging can be useful for various clinical applications including cardiac related problems, where the blood flow rate is quite high, or other dynamic studies.
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Affiliation(s)
| | - Manojit Pramanik
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 637459 Singapore
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95
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Huang S, Upputuri PK, Liu H, Pramanik M, Wang M. A dual-functional benzobisthiadiazole derivative as an effective theranostic agent for near-infrared photoacoustic imaging and photothermal therapy. J Mater Chem B 2016; 4:1696-1703. [DOI: 10.1039/c5tb02367j] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Colloidal nanoparticles of BBT-based narrow-bandgap small molecules as theranostic agents show a strong near-infrared photoacoustic signal and high photothermal conversion efficiency.
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Affiliation(s)
- Shuo Huang
- School of Chemical and Biomedical Engineering
- Nanyang Technological University
- Singapore 637459
| | - Paul Kumar Upputuri
- School of Chemical and Biomedical Engineering
- Nanyang Technological University
- Singapore 637459
| | - Hui Liu
- School of Chemical and Biomedical Engineering
- Nanyang Technological University
- Singapore 637459
| | - Manojit Pramanik
- School of Chemical and Biomedical Engineering
- Nanyang Technological University
- Singapore 637459
| | - Mingfeng Wang
- School of Chemical and Biomedical Engineering
- Nanyang Technological University
- Singapore 637459
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96
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[Focus on methods for detection of sentinel nodes in breast cancer]. ACTA ACUST UNITED AC 2015; 44:35-42. [PMID: 26698220 DOI: 10.1016/j.gyobfe.2015.11.007] [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: 08/31/2015] [Accepted: 11/24/2015] [Indexed: 10/22/2022]
Abstract
The sentinel node procedure (GS) is the recommended technique for axillary surgical exploration in localized breast cancer with no clinical or radiological lymph node involvement. This surgical technique is based on a dual isotope and colorimetric detection. Although it allows a significant reduction in morbidity compared to axillary dissection (CA), this procedure induces a number of organizational constraints, in particular for the radioisotope injection. Specially for this reason, other GS methods have emerged in recent years, some of which appear promising (detection by fluorescence and magnetic iron). The objective of this paper was to carry out a synthesis of the reference method of detection (radioisotope) GS and analyze the recent literature on new detection methods.
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97
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Upputuri PK, Pramanik M. Pulsed laser diode based optoacoustic imaging of biological tissues. Biomed Phys Eng Express 2015. [DOI: 10.1088/2057-1976/1/4/045010] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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98
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Garcia-Uribe A, Erpelding TN, Krumholz A, Ke H, Maslov K, Appleton C, Margenthaler JA, Wang LV. Dual-Modality Photoacoustic and Ultrasound Imaging System for Noninvasive Sentinel Lymph Node Detection in Patients with Breast Cancer. Sci Rep 2015; 5:15748. [PMID: 26510774 PMCID: PMC4625171 DOI: 10.1038/srep15748] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Accepted: 07/31/2015] [Indexed: 02/05/2023] Open
Abstract
The detection of regional lymph node metastases is important in cancer staging as it guides the prognosis of the patient and the strategy for treatment. Sentinel lymph node biopsy (SLNB) is an accurate, less invasive alternative to axillary lymph node dissection. The sentinel lymph node hypothesis states that the pathological status of the axilla can be accurately predicted by determining the status of the first lymph nodes that drain from the primary tumor. Physicians use radio-labeled sulfur colloid and/or methylene blue dye to identify the SLN, which is most likely to contain metastatic cancer cells. However, the surgical procedure causes morbidity and associated expenses. To overcome these limitations, we developed a dual-modality photoacoustic and ultrasonic imaging system to noninvasively detect SLNs based on the accumulation of methylene blue dye. Ultimately, we aim to guide percutaneous needle biopsies and provide a minimally invasive method for axillary staging of breast cancer.
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Affiliation(s)
- Alejandro Garcia-Uribe
- Optical Imaging Laboratory, Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, Missouri, USA
| | | | - Arie Krumholz
- Optical Imaging Laboratory, Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Haixin Ke
- Optical Imaging Laboratory, Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Konstantin Maslov
- Optical Imaging Laboratory, Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Catherine Appleton
- Department of Radiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Julie A Margenthaler
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Lihong V Wang
- Optical Imaging Laboratory, Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, Missouri, USA
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99
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Maeda A, Bu J, Chen J, Zheng G, DaCosta RS. Dual in vivo photoacoustic and fluorescence imaging of HER2 expression in breast tumors for diagnosis, margin assessment, and surgical guidance. Mol Imaging 2015; 13. [PMID: 25430722 DOI: 10.2310/7290.2014.00043] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Biomarker-specific imaging probes offer ways to improve molecular diagnosis, intraoperative margin assessment, and tumor resection. Fluorescence and photoacoustic imaging probes are of particular interest for clinical applications because the combination enables deeper tissue penetration for tumor detection while maintaining imaging sensitivity compared to a single optical imaging modality. Here we describe the development of a human epidermal growth factor receptor 2 (HER2)-targeting imaging probe to visualize differential levels of HER2 expression in a breast cancer model. Specifically, we labeled trastuzumab with Black Hole Quencher 3 (BHQ3) and fluorescein for photoacoustic and fluorescence imaging of HER2 overexpression, respectively. The dual-labeled trastuzumab was tested for its ability to detect HER2 overexpression in vitro and in vivo. We demonstrated an over twofold increase in the signal intensity for HER2-overexpressing tumors in vivo, compared to low-HER2-expressing tumors, using photoacoustic imaging. Furthermore, we demonstrated the feasibility of detecting tumors and positive surgical margins by fluorescence imaging. These results suggest that multimodal HER2-specific imaging of breast cancer using the BHQ3-fluorescein trastuzumab enables molecular-level detection and surgical margin assessment of breast tumors in vivo. This technique may have future clinical impact for primary lesion detection, as well as intraoperative molecular-level surgical guidance in breast cancer.
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100
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Mezrich R. Science to Practice: What Light through Yonder Tumor Breaks: Noninvasive Staging of Cancer--Shining a Light on Disease. Radiology 2015; 277:311-3. [PMID: 26492017 DOI: 10.1148/radiol.2015151024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Photoacoustic imaging imparts the ability to distinguish materials according to their differences in optical absorption (ie, their color) with the high spatial and temporal resolution of ultrasonography (US). Experiments in rats show the advantages this approach would have in the clinically important noninvasive determination of the presence of tumor in the lymph nodes draining a tumor, providing the ability to achieve the results of total axillary lymph node dissection without the risks of surgery or even percutaneous sentinel node biopsy. The coupling of this technique to a conventional US imaging system gives the promise of rapid translation to clinical use.
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Affiliation(s)
- Reuben Mezrich
- Department of Diagnostic Radiology and Nuclear Medicine University of Maryland School of Medicine 22 S Greene St Baltimore, MD 21201
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