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Li Z, Li Z, Yang Y, Yao S, Liu C, Xu J. Original and liposome-modified indocyanine green-assisted fluorescence study with animal models. Lasers Med Sci 2023; 38:140. [PMID: 37328689 DOI: 10.1007/s10103-023-03802-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/05/2023] [Indexed: 06/18/2023]
Abstract
Medical diagnosis heavily relies on the use of bio-imaging techniques. One such technique is the use of ICG-based biological sensors for fluorescence imaging. In this study, we aimed to improve the fluorescence signals of ICG-based biological sensors by incorporating liposome-modified ICG. The results from dynamic light scattering and transmission electron microscopy showed that MLM-ICG was successfully fabricated with a liposome diameter of 100-300 nm. Fluorescence spectroscopy showed that MLM-ICG had the best properties among the three samples (Blank ICG, LM-ICG, and MLM-ICG), as samples immersed in MLM-ICG solution achieved the highest fluorescence intensity. The NIR camera imaging also showed a similar result. For the rat model, the best period for fluorescence tests was between 10 min and 4 h, where most organs reached their maximum fluorescence intensity except for the liver, which continued to rise. After 24 h, ICG was excreted from the rat's body. The study also analyzed the spectra properties of different rat organs, including peak intensity, peak wavelength, and FWHM. In conclusion, the use of liposome-modified ICG provides a safe and optimized optical agent, which is more stable and efficient than non-modified ICG. Incorporating liposome-modified ICG in fluorescence spectroscopy could be an effective way to develop novel biosensors for disease diagnosis.
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Affiliation(s)
- Zheng Li
- Division of Electrical and Computer Engineering, College of Engineering, Louisiana State University, LA70803, Baton Rouge, USA
| | - Zhongqiang Li
- Division of Electrical and Computer Engineering, College of Engineering, Louisiana State University, LA70803, Baton Rouge, USA
| | - Yuting Yang
- Khoury College of Computer Sciences, Northeastern University, MA02115, Boston, USA
| | - Shaomian Yao
- Department of Comparative Biomedical Science, School of Veterinary Medicine, Louisiana State University, LA70803, Baton Rouge, USA
| | - Chaozheng Liu
- School of Renewable Natural Resources, Louisiana State University AgCenter, Baton Rouge, LA, 70803, USA
| | - Jian Xu
- Division of Electrical and Computer Engineering, College of Engineering, Louisiana State University, LA70803, Baton Rouge, USA.
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2
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Saady A, Sudhakar P, Nassir M, Gedanken A. Ultrasonic assisted synthesis of styrylpyridinium dyes: Optical properties and DFT calculations. ULTRASONICS SONOCHEMISTRY 2020; 67:105182. [PMID: 32485662 DOI: 10.1016/j.ultsonch.2020.105182] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 05/17/2020] [Accepted: 05/17/2020] [Indexed: 06/11/2023]
Abstract
The ultrasonic technique has received considerable attention in several fields; in particular, it gained rapid momentum in organic synthesis due to the larger reaction rates, milder reaction conditions, and better yields. We report herein a facile synthesis of a series of styrylpyridinium based dyes under ultrasonic irradiation. Within short reaction time (15 min) under ultrasonic irradiation, compared to normal laboratory conditions, (4-16 h), we can achieve good to excellent yields. The reaction time is shortened because ultrasound can accelerate the generation of the nucleophile of the pyridinium salt and subsequently a nucleophilic addition of an aldehyde followed by dehydration affords the styrylpyridinium dye, (Knoevenagel condensation). The photophysical properties of all compounds are comprehensively investigated in different solvents. All the compounds exhibit negative solvatochromism both in absorption and fluorescence emission spectra. Such behavior is due to the higher dipole moment of these molecules at the ground state. DFT calculations were performed to understand the electronic structure of the molecules. Our results show the high efficacy of sonochemistry over other methods for preparation of styrylpyridinium dyes.
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Affiliation(s)
- Abed Saady
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Pagidi Sudhakar
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Molhm Nassir
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Aharon Gedanken
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel.
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3
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de Maar JS, Sofias AM, Porta Siegel T, Vreeken RJ, Moonen C, Bos C, Deckers R. Spatial heterogeneity of nanomedicine investigated by multiscale imaging of the drug, the nanoparticle and the tumour environment. Am J Cancer Res 2020; 10:1884-1909. [PMID: 32042343 PMCID: PMC6993242 DOI: 10.7150/thno.38625] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 11/13/2019] [Indexed: 02/07/2023] Open
Abstract
Genetic and phenotypic tumour heterogeneity is an important cause of therapy resistance. Moreover, non-uniform spatial drug distribution in cancer treatment may cause pseudo-resistance, meaning that a treatment is ineffective because the drug does not reach its target at sufficient concentrations. Together with tumour heterogeneity, non-uniform drug distribution causes “therapy heterogeneity”: a spatially heterogeneous treatment effect. Spatial heterogeneity in drug distribution occurs on all scales ranging from interpatient differences to intratumour differences on tissue or cellular scale. Nanomedicine aims to improve the balance between efficacy and safety of drugs by targeting drug-loaded nanoparticles specifically to tumours. Spatial heterogeneity in nanoparticle and payload distribution could be an important factor that limits their efficacy in patients. Therefore, imaging spatial nanoparticle distribution and imaging the tumour environment giving rise to this distribution could help understand (lack of) clinical success of nanomedicine. Imaging the nanoparticle, drug and tumour environment can lead to improvements of new nanotherapies, increase understanding of underlying mechanisms of heterogeneous distribution, facilitate patient selection for nanotherapies and help assess the effect of treatments that aim to reduce heterogeneity in nanoparticle distribution. In this review, we discuss three groups of imaging modalities applied in nanomedicine research: non-invasive clinical imaging methods (nuclear imaging, MRI, CT, ultrasound), optical imaging and mass spectrometry imaging. Because each imaging modality provides information at a different scale and has its own strengths and weaknesses, choosing wisely and combining modalities will lead to a wealth of information that will help bring nanomedicine forward.
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4
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Bai S, Liao J, Zhang B, Zhao M, You B, Li P, Ran H, Wang Z, Shi R, Zhang G. Multimodal and multifunctional nanoparticles with platelet targeting ability and phase transition efficiency for the molecular imaging and thrombolysis of coronary microthrombi. Biomater Sci 2020; 8:5047-5060. [PMID: 32830839 DOI: 10.1039/d0bm00818d] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In this article, we constructed PLGA-cRGD-PFH-ICG NPs through emulsification process and then the bi-modal imaging of coronary microthrombi in ischemia/reperfusion rat model and thrombolysis of clots in vitro were both successfully completed by these NPs.
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Affiliation(s)
- Sheng Bai
- Department of Ultrasound
- Xiangya Hospital Central South University
- Changsha
- China
| | - Jintang Liao
- Department of Ultrasound
- Xiangya Hospital Central South University
- Changsha
- China
| | - Bo Zhang
- Department of Ultrasound
- Xiangya Hospital Central South University
- Changsha
- China
| | - Min Zhao
- Department of Nuclear Medicine
- Xiangya Hospital Central South University
- Changsha
- China
| | - Baiyang You
- Cardiac Rehabilitation Center
- Department of Rehabilitation
- Xiangya Hospital Central South University
- Changsha
- China
| | - Pan Li
- Institute of Ultrasound imaging of Chongqing Medical University
- Chongqing 400010
- P. R. China
| | - Haitao Ran
- Institute of Ultrasound imaging of Chongqing Medical University
- Chongqing 400010
- P. R. China
| | - Zhigang Wang
- Institute of Ultrasound imaging of Chongqing Medical University
- Chongqing 400010
- P. R. China
| | - Ruizheng Shi
- Department of Cardiovascular Medicine
- Xiangya Hospital Central South University
- Changsha
- China
| | - Guogang Zhang
- Department of Cardiovascular Medicine
- Xiangya Hospital Central South University
- Changsha
- China
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5
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Linsley CS, Zhu M, Quach VY, Wu BM. Preparation of photothermal palmitic acid/cholesterol liposomes. J Biomed Mater Res B Appl Biomater 2018; 107:1384-1392. [PMID: 30281908 DOI: 10.1002/jbm.b.34230] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 08/09/2018] [Accepted: 08/18/2018] [Indexed: 01/28/2023]
Abstract
Indocyanine green (ICG) is the only FDA-approved near-infrared dye and it is currently used clinically for diagnostic applications. However, there is significant interest in using ICG for triggered drug delivery applications and heat ablation therapy. Unfortunately, free ICG has a short half-life in vivo and is rapidly cleared from circulation. Liposomes have been frequently used to improve ICG's stability and overall time of effectiveness in vivo, but they have limited stability due to the susceptibility of phospholipids to hydrolysis and oxidation. In this study, nonphospholipid liposomes were used to encapsulate ICG, and the resulting liposomes were characterized for size, encapsulation efficiency, stability, and photothermal response. Using the thin-film hydration method, an ICG encapsulation efficiency of 54% was achieved, and the liposomes were stable for up to 12 weeks, with detectable levels of encapsulated ICG up to week 4. Additionally, ICG-loaded liposomes were capable of rapidly producing a significant photothermal response upon exposure to near-infrared light, and this photothermal response was able to induce changes in the mechanical properties of thermally responsive hydrogels. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 1384-1392, 2019.
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Affiliation(s)
- Chase S Linsley
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - Max Zhu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - Viola Y Quach
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - Benjamin M Wu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, USA.,Division of Advanced Prosthodontics and the Weintraub Center for Reconstructive Biotechnology, University of California, Los Angeles, Los Angeles, California 90095, USA
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6
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Hu Y, Wang R, Zhou Y, Yu N, Chen Z, Gao D, Shi X, Shen M. Targeted dual-mode imaging and phototherapy of tumors using ICG-loaded multifunctional MWCNTs as a versatile platform. J Mater Chem B 2018; 6:6122-6132. [DOI: 10.1039/c8tb01870g] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
ICG-loaded MWCNTs can be synthesized and used as a theranostic platform for targeted dual-mode imaging and phototherapy of tumors.
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Affiliation(s)
- Yong Hu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
| | - Ruizhi Wang
- Department of Radiology
- Huadong Hospital
- Fudan University
- Shanghai 200040
- P. R. China
| | - Yiwei Zhou
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
| | - Nuo Yu
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- P. R. China
| | - Zhigang Chen
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- P. R. China
| | - Dongmei Gao
- Liver Cancer Institute
- Zhongshan Hospital
- Fudan University
- Shanghai 200032
- P. R. China
| | - Xiangyang Shi
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
| | - Mingwu Shen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
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7
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Niu H, Xu M, Li S, Chen J, Luo J, Zhao X, Gao C, Li X. High-Performance Liquid Chromatography (HPLC) Quantification of Liposome-Delivered Doxorubicin in Arthritic Joints of Collagen-Induced Arthritis Rats. Med Sci Monit Basic Res 2017; 23:150-158. [PMID: 28408733 PMCID: PMC5400028 DOI: 10.12659/msmbr.904103] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background Neoangiogenesis occurring in inflamed articular synovium in early rheumatoid arthritis (RA) is characterized by enhanced vascular permeability that allows nanoparticle agents, including liposomes, to deliver encapsulated drugs to arthritic joints and subsequently improve therapeutic efficacy and reduce adverse effects. However, the targeting distribution of liposomes in arthritic joints during RA has not been quantitatively demonstrated. We performed this study to evaluate the targeting distribution of PEGylated doxorubicin liposomes in the arthritic joints of collagen-induced arthritis (CIA) rats by high-performance liquid chromatography (HPLC). Material/Methods Two doxorubicin formulations were administered to CIA rats via tail intravenous injection at a single dose (50 mg/m2). CIA rats were sacrificed and the tissues of the inflamed ankle joints were collected. The content of doxorubicin in the arthritic joints was analyzed by a validated and reproducible HPLC method. A two-way ANOVA for 2×5 factorial design was used for statistical analysis. Results The developed HPLC method was sensitive, precise, and reproducible. The method was successfully applied to quantify doxorubicin content in arthritic tissues. At each time point (6, 12, 24, 48, and 72 h), doxorubicin content in the arthritic joints of the doxorubicin liposome group (DOX-LIP group) was higher than in the free doxorubicin group (DOX group) (P<0.05). In the DOX-LIP group, doxorubicin levels in the arthritic joints increased gradually and significantly in the interval of 6–72 h post-administration. Conclusions PEGylated doxorubicin liposomes were targeted to, accumulated, and retained in the arthritic joints of CIA rats. The present study indicates that liposome encapsulation increases the therapeutic efficacy of antirheumatic drugs, presenting a promising therapeutic strategy for RA.
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Affiliation(s)
- Hongqing Niu
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China (mainland)
| | - Menghua Xu
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China (mainland)
| | - Shuangtian Li
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China (mainland)
| | - Junwei Chen
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China (mainland)
| | - Jing Luo
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China (mainland)
| | - Xiangcong Zhao
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China (mainland)
| | - Chong Gao
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Xiaofeng Li
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China (mainland)
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8
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Lv HJ, Zhang XT, Wang S, Xing GW. Assembly of BODIPY-carbazole dyes with liposomes to fabricate fluorescent nanoparticles for lysosomal bioimaging in living cells. Analyst 2017; 142:603-607. [DOI: 10.1039/c6an02705a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A strategy was developed to change an ACQ organic dye into a fluorescent nanoparticle probe for lysosomal bioimaging.
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Affiliation(s)
- Hai-juan Lv
- Department of Chemistry
- Beijing Normal University
- Beijing 100875
- China
| | - Xiao-tai Zhang
- Department of Chemistry
- Beijing Normal University
- Beijing 100875
- China
| | - Shu Wang
- Key Laboratory of Organic Solids
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Guo-wen Xing
- Department of Chemistry
- Beijing Normal University
- Beijing 100875
- China
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9
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Surfactant-modulated discriminative sensing of HNO and H2S with a Cu2+-complex-based fluorescent probe. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.07.039] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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10
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Huang X, Zhou Y, Liu C, Zhang R, Zhang L, Du S, Liu B, Han MY, Zhang Z. A single dual-emissive nanofluorophore test paper for highly sensitive colorimetry-based quantification of blood glucose. Biosens Bioelectron 2016; 86:530-535. [PMID: 27448542 DOI: 10.1016/j.bios.2016.07.021] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 07/05/2016] [Accepted: 07/07/2016] [Indexed: 12/21/2022]
Abstract
Fluorescent test papers are promising for the wide applications in the assays of diagnosis, environments and foods, but unlike classical dye-absorption-based pH test paper, they are usually limited in the qualitative yes/no type of detection by fluorescent brightness, and the colorimetry-based quantification remains a challenging task. Here, we report a single dual-emissive nanofluorophore probe to achieve the consecutive color variations from blue to red for the quantification of blood glucose on its as-prepared test papers. Red quantum dots were embedded into silica nanoparticles as a stable internal standard emission, and blue carbon dots (CDs) were further covalently linked onto the surface of silica, in which the ratiometric fluorescence intensity of blue to red is controlled at 5:1. While the oxidation of glucose induced the formation of Fe(3+) ions, the blue emission of CDs was thus quenched by the electron transfer from CDs to Fe(3+), displaying a serial of consecutive color variations from blue to red with the dosage of glucose. The high-quality test papers printed by the probe ink exhibited a dosage-sensitive allochromatic capability with the clear differentiations of ~5, 7, 9, 11mM glucose in human serum (normal: 3-8mM). The blood glucose determined by the test paper was almost in accordance with that measured by a standard glucometer. The method reported here opens a window to the wide applications of fluorescent test paper in biological assays.
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Affiliation(s)
- Xiaoyan Huang
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Yujie Zhou
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Cui Liu
- CAS Center for Excellence in Nanoscience, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui, 230031, China
| | - Ruilong Zhang
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui, 230601, China; CAS Center for Excellence in Nanoscience, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui, 230031, China
| | - Liying Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Shuhu Du
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China.
| | - Bianhua Liu
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui, 230601, China; CAS Center for Excellence in Nanoscience, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui, 230031, China
| | - Ming-Yong Han
- CAS Center for Excellence in Nanoscience, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui, 230031, China
| | - Zhongping Zhang
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui, 230601, China; CAS Center for Excellence in Nanoscience, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui, 230031, China; State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Hefei, Anhui, 230031, China.
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11
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Chang Y, Park JW, Sung S, Hong J, Al Faruque H, Kim EH, Lee JJ, Lee J, Kang YM. Volume-normalized transfer constant as an imaging biomarker for chronic inflammatory arthritis: A dynamic contrast enhanced MRI study. Magn Reson Med 2016; 76:926-34. [DOI: 10.1002/mrm.26293] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 02/25/2016] [Accepted: 05/07/2016] [Indexed: 12/20/2022]
Affiliation(s)
- Yongmin Chang
- Department of Molecular Medicine; Kyungpook National University School of Medicine; Daegu Korea
- Department of Medical & Biological Engineering; Kyungpook National University; Daegu Korea
- Department of Radiology; Kyungpook National University School of Medicine; Daegu Korea
| | - Jang Woo Park
- Department of Medical & Biological Engineering; Kyungpook National University; Daegu Korea
| | - Shijin Sung
- Department of Internal Medicine (Rheumatology); Kyungpook National University School of Medicine; Daegu Korea
| | - Jungwan Hong
- Department of Internal Medicine (Rheumatology); Kyungpook National University School of Medicine; Daegu Korea
| | - Hasan Al Faruque
- Department of Internal Medicine (Rheumatology); Kyungpook National University School of Medicine; Daegu Korea
| | - Eun-Hee Kim
- Laboratory Animal Center, Osong Medical Innovation Foundation; Osong Korea
| | - Jae Jun Lee
- Laboratory Animal Center, Osong Medical Innovation Foundation; Osong Korea
| | - Jongmin Lee
- Department of Radiology; Kyungpook National University School of Medicine; Daegu Korea
| | - Young Mo Kang
- Department of Internal Medicine (Rheumatology); Kyungpook National University School of Medicine; Daegu Korea
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12
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Zhang J, Cheng F, Li J, Zhu JJ, Lu Y. Fluorescent nanoprobes for sensing and imaging of metal ions: recent advances and future perspectives. NANO TODAY 2016; 11:309-329. [PMID: 27818705 PMCID: PMC5089816 DOI: 10.1016/j.nantod.2016.05.010] [Citation(s) in RCA: 156] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Recent advances in nanoscale science and technology have generated nanomaterials with unique optical properties. Over the past decade, numerous fluorescent nanoprobes have been developed for highly sensitive and selective sensing and imaging of metal ions, both in vitro and in vivo. In this review, we provide an overview of the recent development of the design and optical properties of the different classes of fluorescent nanoprobes based on noble metal nanomaterials, upconversion nanoparticles, semiconductor quantum dots, and carbon-based nanomaterials. We further detail their application in the detection and quantification of metal ions for environmental monitoring, food safety, medical diagnostics, as well as their use in biomedical imaging in living cells and animals.
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Affiliation(s)
- JingJing Zhang
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - FangFang Cheng
- College of Chemistry, Nanjing University, Nanjing, P. R. China
| | - JingJing Li
- College of Chemistry, Nanjing University, Nanjing, P. R. China
| | - Jun-Jie Zhu
- College of Chemistry, Nanjing University, Nanjing, P. R. China
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
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13
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Jin T, Tsuboi S, Komatsuzaki A, Imamura Y, Muranaka Y, Sakata T, Yasuda H. Enhancement of aqueous stability and fluorescence brightness of indocyanine green using small calix[4]arene micelles for near-infrared fluorescence imaging. MEDCHEMCOMM 2016. [DOI: 10.1039/c5md00580a] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Incorporation of ICG into calix[4]arene micelles improves its aqueous stability and fluorescence brightness.
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Affiliation(s)
- Takashi Jin
- Laboratory for Nano-Bio Probes, Quantitative Biology Center (QBiC)
- Riken
- Suita
- Japan
- Immunology Frontier Research Center (IFReC)
| | - Setsuko Tsuboi
- Laboratory for Nano-Bio Probes, Quantitative Biology Center (QBiC)
- Riken
- Suita
- Japan
| | - Akihito Komatsuzaki
- Laboratory for Nano-Bio Probes, Quantitative Biology Center (QBiC)
- Riken
- Suita
- Japan
| | - Yukio Imamura
- Laboratory for Nano-Bio Probes, Quantitative Biology Center (QBiC)
- Riken
- Suita
- Japan
| | - Yoshinori Muranaka
- Research Center for Ultra-High Voltage Electron Microscopy
- Osaka University
- Ibaraki
- Japan
| | - Takao Sakata
- Research Center for Ultra-High Voltage Electron Microscopy
- Osaka University
- Ibaraki
- Japan
| | - Hidehiro Yasuda
- Research Center for Ultra-High Voltage Electron Microscopy
- Osaka University
- Ibaraki
- Japan
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14
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Gao C, Deng ZJ, Peng D, Jin YS, Ma Y, Li YY, Zhu YK, Xi JZ, Tian J, Dai ZF, Li CH, Liang XL. Near-infrared dye-loaded magnetic nanoparticles as photoacoustic contrast agent for enhanced tumor imaging. Cancer Biol Med 2016; 13:349-359. [PMID: 27807502 PMCID: PMC5069831 DOI: 10.20892/j.issn.2095-3941.2016.0048] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Objective: Photoacoustic (PA) tomography (PAT) has attracted extensive interest because of its optical absorption contrast and ultrasonic detection. This study aims to develop a biocompatible and biodegradable PA contrast agent particularly promising for clinical applications in human body.
Methods: In this study, we presented a PA contrast agent: 1, 2-distearoyl-sn-glycero-3-phosphoethanolamine-
N-[methoxy (polyethylene glycol)] (DSPE-PEG)-coated superparamagnetic iron oxide (SPIO) nanoparticles (NPs) loaded with indocyanine green (ICG). We used ICG and SPIO NPs because both drugs are approved by the U.S. Food and Drug Administration. Given the strong absorption of near-infrared laser pulses, SPIO@DSPE-PEG/ICG NPs with a uniform diameter of ~28 nm could significantly enhance PA signals.
Results: We demonstrated the contrast enhancement of these NPs in phantom and animal experiments, in which the
in vivo circulation time of SPIO@DSPE-PEG/ICG NPs was considerably longer than that of free ICG. These novel NPs also displayed a high efficiency of tumor targeting.
Conclusions: SPIO@DSPE-PEG/ICG NPs are promising PAT contrast agents for clinical applications.
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Affiliation(s)
- Chuang Gao
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Zi-Jian Deng
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Dong Peng
- Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China
| | - Yu-Shen Jin
- Nanomedicine and Biosensor Laboratory, School of Life Science and Technology, Harbin Institute of Technology, Harbin 150080, China
| | - Yan Ma
- Nanomedicine and Biosensor Laboratory, School of Life Science and Technology, Harbin Institute of Technology, Harbin 150080, China
| | - Yan-Yan Li
- Nanomedicine and Biosensor Laboratory, School of Life Science and Technology, Harbin Institute of Technology, Harbin 150080, China
| | - Yu-Kun Zhu
- Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China
| | - Jian-Zhong Xi
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Jie Tian
- Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhi-Fei Dai
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Chang-Hui Li
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Xiao-Long Liang
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, China
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15
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Hirota M, Murakami I, Ishikawa Y, Suzuki T, Sumida SI, Ibaragi S, Kasai H, Horai N, Drolet DW, Gupta S, Janjic N, Schneider DJ. Chemically Modified Interleukin-6 Aptamer Inhibits Development of Collagen-Induced Arthritis in Cynomolgus Monkeys. Nucleic Acid Ther 2015; 26:10-9. [PMID: 26579954 PMCID: PMC4753578 DOI: 10.1089/nat.2015.0567] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Interleukin-6 (IL-6) is a potent mediator of inflammatory and immune responses, and a validated target for therapeutic intervention of inflammatory diseases. Previous studies have shown that SL1026, a slow off-rate modified aptamer (SOMAmer) antagonist of IL-6, neutralizes IL-6 signaling in vitro. In the present study, we show that SL1026 delays the onset and reduces the severity of rheumatoid symptoms in a collagen-induced arthritis model in cynomolgus monkeys. SL1026 (1 and 10 mg/kg), administered q.i.d., delayed the progression of arthritis and the concomitant increase in serum IL-6 levels compared to the untreated control group. Furthermore, SL1026 inhibited IL-6-induced STAT3 phosphorylation ex vivo in T lymphocytes from human blood and IL-6-induced C-reactive protein and serum amyloid A production in human primary hepatocytes. Importantly, SOMAmer treatment did not elicit an immune response, as evidenced by the absence of anti-SOMAmer antibodies in plasma of treated monkeys. These results demonstrate that SOMAmer antagonists of IL-6 may be attractive agents for the treatment of IL-6-mediated diseases, including rheumatoid arthritis.
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Affiliation(s)
- Masao Hirota
- 1 Otsuka Pharmaceutical Co., Ltd. , Tokushima, Japan
| | - Ikuo Murakami
- 1 Otsuka Pharmaceutical Co., Ltd. , Tokushima, Japan
| | | | - Tomoki Suzuki
- 1 Otsuka Pharmaceutical Co., Ltd. , Tokushima, Japan
| | | | | | - Hayato Kasai
- 2 Shin Nippon Biomedical Laboratories, Ltd. , Drug Safety Research Laboratories, Kagoshima, Japan
| | - Naoto Horai
- 2 Shin Nippon Biomedical Laboratories, Ltd. , Drug Safety Research Laboratories, Kagoshima, Japan
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16
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Ding J, Feng M, Wang F, Wang H, Guan W. Targeting effect of PEGylated liposomes modified with the Arg-Gly-Asp sequence on gastric cancer. Oncol Rep 2015; 34:1825-34. [PMID: 26238930 DOI: 10.3892/or.2015.4142] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 06/26/2015] [Indexed: 11/06/2022] Open
Abstract
Previous studies have demonstrated that the α5β1 integrin-mediated interaction with fibronectin (FN) occurs through the Arg-Gly-Asp (RGD) cell-binding sequence in repeat III10. Indocyanine green (ICG) is a near-infrared (NIR) optical dye that has been approved by the US Food and Drug Administration. In the present study, we developed an RGD-modified PEGylated liposome-encapsulated ICG (RGD-PLS-ICG) system mediated by integrin. RGD was conjugated covalently to the distal end of DSPE-PEG2000-NH2 lipid by amide binding. The characteristics and stability of the prepared liposomes were assessed. In vitro, SGC7901 cells with high expression of integrin α5β1 were selected by polymerase chain reaction (PCR) and western blotting. To confirm the targeting efficacies to gastric cancer, coumarin-6 was encapsulated as a fluorescent probe for in vitro study, and the targeting effect of RGD was detected by flow cytometry and confocal microscopy. In vivo, the bio distribution of RGD-PLS-ICG was studied by an in vivo imaging system in the tumor model. RGD-PLS-ICG and PLS-ICG had a higher UV absorbance spectrum and stability than free-ICG. Confocal microscopy and flow cytometry demonstrated that RGD-PLS-encapsulated coumarin-6 was efficiently associated with the SGC7901 cells, while limited interaction was found for the other groups. Moreover, the in vivo imaging of the liposomes indicated that RGD-PLS-ICG achieved more accumulation in the tumor tissues when compared with PLS-ICG. The significant in vitro and in vivo results suggest that RGD-PLS-ICG may be a promising fluorescent dye delivery system for targeting gastric cancer cell overexpression of integrin.
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Affiliation(s)
- Jie Ding
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, P.R. China
| | - Min Feng
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, P.R. China
| | - Feng Wang
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, P.R. China
| | - Hao Wang
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, P.R. China
| | - Wenxian Guan
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, P.R. China
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17
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Atallah I, Milet C, Henry M, Josserand V, Reyt E, Coll JL, Hurbin A, Righini CA. Near-infrared fluorescence imaging-guided surgery improves recurrence-free survival rate in novel orthotopic animal model of head and neck squamous cell carcinoma. Head Neck 2015; 38 Suppl 1:E246-55. [PMID: 25546527 DOI: 10.1002/hed.23980] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2014] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Appropriate animal models are required to test novel therapeutics for head and neck squamous cell carcinoma (HNSCC) such as near-infrared (NIR) imaging-guided surgery. METHODS We developed an optimized animal model of orthotopic HNSCC (in female athymic NMRI (Naval Medical Research Institute) nude mice) with a prolonged survival time. Resection of the orthotopic tumors was performed 30 days after implantation with or without the aid of a miniaturized clinical grade NIR optical imaging device, after systemic administration of a fluorescent RGD-based probe that targets αv β3 integrin. RESULTS NIR optical imaging-guided surgery increased the recurrence-free survival rate by 50% through the detection of fluorescent cancer residues as small as 185 µm; these fragments could remain unidentified if resection was performed exclusively under unaided visual guidance. CONCLUSION NIR optical imaging-guided surgery showed an improved HNSCC tumor resection quality in our optimized orthotopic animal model. © 2015 Wiley Periodicals, Inc. Head Neck 38: E246-E255, 2016.
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Affiliation(s)
- Ihab Atallah
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France.,Department of Otolaryngology-Head and Neck Surgery, Grenoble University Hospital, Cedex, France
| | - Clément Milet
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Maxime Henry
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Véronique Josserand
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Emile Reyt
- Joseph Fourier University, Grenoble Cedex, France.,Department of Otolaryngology-Head and Neck Surgery, Grenoble University Hospital, Cedex, France
| | - Jean-Luc Coll
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Amandine Hurbin
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Christian Adrien Righini
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France.,Department of Otolaryngology-Head and Neck Surgery, Grenoble University Hospital, Cedex, France
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18
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Yu M, Wu X, Lin B, Han J, Yang L, Han S. Lysosomal pH Decrease in Inflammatory Cells Used To Enable Activatable Imaging of Inflammation with a Sialic Acid Conjugated Profluorophore. Anal Chem 2015; 87:6688-95. [DOI: 10.1021/acs.analchem.5b00847] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Mingzhu Yu
- Department
of Chemical Biology, College of Chemistry and Chemical Engineering,
State Key Laboratory for Physical Chemistry of Solid Surfaces, the
Key Laboratory for Chemical Biology of Fujian Province, the MOE Key
Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation
Center for Cell Signaling Network, and ‡State Key Laboratory of Cellular
Stress Biology, Innovation Center for Cell Signaling Network, School
of Life Sciences, Xiamen University, Xiamen, 361005, China
| | - Xuanjun Wu
- Department
of Chemical Biology, College of Chemistry and Chemical Engineering,
State Key Laboratory for Physical Chemistry of Solid Surfaces, the
Key Laboratory for Chemical Biology of Fujian Province, the MOE Key
Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation
Center for Cell Signaling Network, and ‡State Key Laboratory of Cellular
Stress Biology, Innovation Center for Cell Signaling Network, School
of Life Sciences, Xiamen University, Xiamen, 361005, China
| | - Bijuan Lin
- Department
of Chemical Biology, College of Chemistry and Chemical Engineering,
State Key Laboratory for Physical Chemistry of Solid Surfaces, the
Key Laboratory for Chemical Biology of Fujian Province, the MOE Key
Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation
Center for Cell Signaling Network, and ‡State Key Laboratory of Cellular
Stress Biology, Innovation Center for Cell Signaling Network, School
of Life Sciences, Xiamen University, Xiamen, 361005, China
| | - Jiahuai Han
- Department
of Chemical Biology, College of Chemistry and Chemical Engineering,
State Key Laboratory for Physical Chemistry of Solid Surfaces, the
Key Laboratory for Chemical Biology of Fujian Province, the MOE Key
Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation
Center for Cell Signaling Network, and ‡State Key Laboratory of Cellular
Stress Biology, Innovation Center for Cell Signaling Network, School
of Life Sciences, Xiamen University, Xiamen, 361005, China
| | - Liu Yang
- Department
of Chemical Biology, College of Chemistry and Chemical Engineering,
State Key Laboratory for Physical Chemistry of Solid Surfaces, the
Key Laboratory for Chemical Biology of Fujian Province, the MOE Key
Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation
Center for Cell Signaling Network, and ‡State Key Laboratory of Cellular
Stress Biology, Innovation Center for Cell Signaling Network, School
of Life Sciences, Xiamen University, Xiamen, 361005, China
| | - Shoufa Han
- Department
of Chemical Biology, College of Chemistry and Chemical Engineering,
State Key Laboratory for Physical Chemistry of Solid Surfaces, the
Key Laboratory for Chemical Biology of Fujian Province, the MOE Key
Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation
Center for Cell Signaling Network, and ‡State Key Laboratory of Cellular
Stress Biology, Innovation Center for Cell Signaling Network, School
of Life Sciences, Xiamen University, Xiamen, 361005, China
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19
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Poh S, Lin JB, Panitch A. Release of anti-inflammatory peptides from thermosensitive nanoparticles with degradable cross-links suppresses pro-inflammatory cytokine production. Biomacromolecules 2015; 16:1191-200. [PMID: 25728363 PMCID: PMC4839979 DOI: 10.1021/bm501849p] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Pro-inflammatory cytokines tumor necrosis factor α (TNF-α) and interleukin 6 (IL-6) are mediators in the development of many inflammatory diseases. To demonstrate that macrophages take up and respond to thermosensitive nanoparticle drug carriers, we synthesized PEGylated poly(N-isopropylacrylamide-2-acrylamido-2-methyl-1-propanesulfonate) particles cross-linked with degradable disulfide (N,N'-bis(acryloyl)cystamine) (NGPEGSS). An anti-inflammatory peptide (KAFAK) was loaded and released from the thermosensitive nanoparticles and shown to suppress levels of TNF-α and IL-6 production in macrophages. Cellular uptake of fluorescent, thermosensitive, and degradable nanoparticles and therapeutic efficacy of free KAFAK peptide compared to that of KAFAK loaded in PEGylated degradable thermosensitive nanoparticles were examined. The data suggests that the degradable, thermosensitive nanoparticles loaded with KAFAK may be an effective tool to treat inflammatory diseases.
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Affiliation(s)
- Scott Poh
- Weldon School of Biomedical Engineering, Purdue University, 206 South Martin Jischke Drive, West Lafayette, Indiana 47907, United States
| | - Jenny B Lin
- Weldon School of Biomedical Engineering, Purdue University, 206 South Martin Jischke Drive, West Lafayette, Indiana 47907, United States
| | - Alyssa Panitch
- Weldon School of Biomedical Engineering, Purdue University, 206 South Martin Jischke Drive, West Lafayette, Indiana 47907, United States
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20
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Wang H, Liu C, Gong X, Hu D, Lin R, Sheng Z, Zheng C, Yan M, Chen J, Cai L, Song L. In vivo photoacoustic molecular imaging of breast carcinoma with folate receptor-targeted indocyanine green nanoprobes. NANOSCALE 2014; 6:14270-9. [PMID: 25321626 DOI: 10.1039/c4nr03949a] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
As an optical-acoustic hybrid imaging technology, photoacoustic imaging uniquely combines the advantages of rich optical contrast with high ultrasonic resolution in depth, opening up many new possibilities not attainable with conventional pure optical imaging technologies. To perform photoacoustic molecular imaging, optically absorbing exogenous contrast agents are needed to enhance the signals from specifically targeted disease activity. In this work, we designed and developed folate receptor targeted, indocyanine green dye doped poly(d,l-lactide-co-glycolide) lipid nanoparticles (FA-ICG-PLGA-lipid NPs) for molecular photoacoustic imaging of tumor. The fabricated FA-ICG-PLGA-lipid NPs exhibited good aqueous stability, a high folate-receptor targeting efficiency, and remarkable optical absorption in near-infrared wavelengths, providing excellent photoacoustic signals in vitro. Furthermore, after intravenous administration of FA-ICG-PLGA-lipid NPs, mice bearing MCF-7 breast carcinomas showed significantly enhanced photoacoustic signals in vivo in the tumor regions, compared with those using non-targeted ICG-PLGA-lipid NPs. Given the existing wide clinical use of ICG and PLGA, the developed FA-ICG-PLGA-lipid NPs, in conjunction with photoacoustic imaging technology, offer a great potential to be translated into the clinic for non-ionizing molecular imaging of breast cancer in vivo.
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Affiliation(s)
- Huina Wang
- Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Key Laboratory for Molecular Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
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21
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Nanomedicine and its applications to the treatment of prostate cancer. ANNALES PHARMACEUTIQUES FRANÇAISES 2014; 72:303-16. [DOI: 10.1016/j.pharma.2014.04.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 04/14/2014] [Accepted: 04/14/2014] [Indexed: 01/24/2023]
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22
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Atallah I, Milet C, Coll JL, Reyt E, Righini CA, Hurbin A. Role of near-infrared fluorescence imaging in head and neck cancer surgery: from animal models to humans. Eur Arch Otorhinolaryngol 2014; 272:2593-600. [PMID: 25115313 DOI: 10.1007/s00405-014-3224-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Accepted: 07/29/2014] [Indexed: 12/18/2022]
Abstract
Complete resection of head and neck cancers with negative surgical margins improves the prognosis of the disease and decreases the recurrence rate. Near-infrared fluorescence-guided surgery of head and neck cancer is a rapidly evolving field that represents an invaluable tool for tumor detection and resection. Here, we present a literature review of the principles of near-infrared fluorescence imaging and its use in head and neck cancer surgery. We discuss important studies in both animal models and humans that have been carried out up to this point. We also outline the important fluorescent molecules and devices used in head and neck fluorescence imaging-guided surgery. Although near-infrared fluorescence-guided surgery for head and neck cancers showed efficacy in animal models, its use in humans is limited by the small number of fluorescent probes that are approved for clinical use. However, it is considered as a novel surgical aid that helps delineate tumor margins preoperatively and could spare patients from the added morbidity that is associated with additional surgery or chemoradiation. In addition, it is a useful tool to detect sentinel lymph nodes as well as metastatic lymph nodes.
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Affiliation(s)
- Ihab Atallah
- Albert Bonniot Institute, CRI INSERM/UJF U823, BP170, 38042, Grenoble Cedex 9, France,
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23
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Kosinski AM, Brugnano JL, Seal BL, Knight FC, Panitch A. Synthesis and characterization of a poly(lactic-co-glycolic acid) core + poly(N-isopropylacrylamide) shell nanoparticle system. BIOMATTER 2014; 2:195-201. [PMID: 23507885 PMCID: PMC3568105 DOI: 10.4161/biom.22494] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Poly(lactic-co-glycolic acid) (PLGA) is a popular material used to prepare nanoparticles for drug delivery. However, PLGA nanoparticles lack desirable attributes including active targeting abilities, resistance to aggregation during lyophilization, and the ability to respond to dynamic environmental stimuli. To overcome these issues, we fabricated a nanoparticle consisting of a PLGA core encapsulated within a shell of poly(N-isopropylacrylamide). Dynamic light scattering and transmission electron microscope imaging were used to characterize the nanoparticles, while an MTT assay and ELISA suggested biocompatibility in THP1 cells. Finally, a collagen type II binding assay showed successful modification of these nanoparticles with an active targeting moiety.
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Affiliation(s)
- Aaron M Kosinski
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, USA
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24
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Kraft JC, Ho RJY. Interactions of indocyanine green and lipid in enhancing near-infrared fluorescence properties: the basis for near-infrared imaging in vivo. Biochemistry 2014; 53:1275-83. [PMID: 24512123 PMCID: PMC3985908 DOI: 10.1021/bi500021j] [Citation(s) in RCA: 121] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
![]()
Indocyanine green (ICG) is a near-infrared
(NIR) contrast agent
commonly used for in vivo cardiovascular and eye
imaging. For medical diagnosis, ICG is limited by its aqueous instability,
concentration-dependent aggregation, and rapid degradation. To overcome
these limitations, scientists have formulated ICG in various liposomes,
which are spherical lipid membrane vesicles with an aqueous core.
Some encapsulate ICG, while others mix it with liposomes. There is
no clear understanding of lipid–ICG interactions. Therefore,
we investigated lipid–ICG interactions by fluorescence and
photon correlation spectroscopy. These data were used to design stable
and maximally fluorescent liposomal ICG nanoparticles for NIR optical
imaging of the lymphatic system. We found that ICG binds to and is
incorporated completely and stably into the lipid membrane. At a lipid:ICG
molar ratio of 250:1, the maximal fluorescence intensity was detected.
ICG incorporated into liposomes enhanced the fluorescence intensity
that could be detected across 1.5 cm of muscle tissue, while free
ICG only allowed 0.5 cm detection. When administered subcutaneously
in mice, lipid-bound ICG in liposomes exhibited a higher intensity,
NIR image resolution, and enhanced lymph node and lymphatic vessel
visualization. It also reduced the level of fluorescence quenching
due to light exposure and degradation in storage. Lipid-bound ICG
could provide additional medical diagnostic value with NIR optical
imaging for early intervention in cases of lymphatic abnormalities.
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Affiliation(s)
- John C Kraft
- Department of Pharmaceutics, University of Washington , Seattle, Washington 98195, United States
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25
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Park JS, Kim SH, Kim K, Jin CH, Choi KY, Jang J, Choi Y, Gwon AR, Baik SH, Yun UJ, Chae SY, Lee S, Kang YM, Lee KC, Arumugam TV, Mattson MP, Park JH, Jo DG. Inhibition of notch signalling ameliorates experimental inflammatory arthritis. Ann Rheum Dis 2013; 74:267-74. [PMID: 24255545 DOI: 10.1136/annrheumdis-2013-203467] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE To test the hypothesis that Notch signalling plays a role in the pathogenesis of rheumatoid arthritis (RA) and to determine whether pharmacological inhibition of Notch signalling with γ-secretase inhibitors can ameliorate the RA disease process in an animal model. METHODS Collagen-induced arthritis was induced in C57BL/6 or Notch antisense transgenic mice by immunisation with chicken type II collagen (CII). C57BL/6 mice were administered with different doses of inhibitors of γ-secretase, an enzyme required for Notch activation, at disease onset or after onset of symptoms. Severity of arthritis was monitored by clinical and histological scores, and in vivo non-invasive near-infrared fluorescence (NIRF) images. Micro-CT was used to confirm joint destruction. The levels of CII antibodies and cytokines in serum were determined by ELISA and bead-based cytokine assay. The expression levels of cytokines were studied by quantitative PCR in rheumatoid synovial fibroblasts. RESULTS The data show that Notch signalling stimulates synoviocytes and accelerates their production of proinflammatory cytokines and immune responses involving the upregulation of IgG1 and IgG2a. Pharmacological inhibition of γ-secretase and antisense-mediated knockdown of Notch attenuates the severity of inflammatory arthritis, including arthritis indices, paw thickness, tissue damage and neutrophil infiltration, and reduces the levels of active NF-κB, ICAM-1, proinflammatory cytokines and matrix metalloproteinase-3 activity in the mouse model of RA. CONCLUSIONS These results suggest that Notch is involved in the pathogenesis of RA and that inhibition of Notch signalling is a novel approach for treating RA.
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Affiliation(s)
- Jong-Sung Park
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
| | - Seol-Hee Kim
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea Departments of Polymer Science and Chemical Engineering, Sungkyunkwan University, Suwon, Korea
| | - Kwangmeyung Kim
- Biomedical Research Center, Korea Institute of Science and Technology, Seoul, Korea
| | - Cheng-Hao Jin
- Department of Biochemistry and Molecular Biology, College of Life Science & Technology, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Ki Young Choi
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, Maryland, USA
| | - Jiyeon Jang
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
| | - Yuri Choi
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
| | - A-Ryeong Gwon
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
| | - Sang-Ha Baik
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
| | - Ui Jeong Yun
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
| | - Su Young Chae
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
| | - Seulki Lee
- Russell H. Morgan Department of Radiology and Radiological Science, Center for Cancer Nanotechnology Excellence, Center for Nanomedicine at the Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland, USA
| | - Young Mo Kang
- Department of Internal Medicine (Rheumatology), Kyungpook National University School of Medicine, Daegu, Korea
| | - Kang Choon Lee
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
| | - Thiruma V Arumugam
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea Department of Physiology, Yong Loo Lin School Medicine, National University of Singapore, Singapore, Singapore
| | - Mark P Mattson
- Laboratory of Neurosciences, National Institute on Aging Intramural Research Program, Baltimore, Maryland, USA Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Jae Hyung Park
- Departments of Polymer Science and Chemical Engineering, Sungkyunkwan University, Suwon, Korea
| | - Dong-Gyu Jo
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
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26
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Ganesh S, Iyer AK, Gattacceca F, Morrissey DV, Amiji MM. In vivo biodistribution of siRNA and cisplatin administered using CD44-targeted hyaluronic acid nanoparticles. J Control Release 2013; 172:699-706. [PMID: 24161254 DOI: 10.1016/j.jconrel.2013.10.016] [Citation(s) in RCA: 106] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Revised: 09/11/2013] [Accepted: 10/12/2013] [Indexed: 10/26/2022]
Abstract
Multidrug resistance (MDR) is a significant problem in the clinical management of several cancers. Overcoming MDR generally involves multi-modal therapeutic approaches that integrate enhancement of delivery efficiency using targeted nano-platforms as well as strategies that can sensitize cancer cells to drug treatments. We recently demonstrated that tandem delivery of siRNAs that downregulate anti-apoptotic genes overexpressed in cisplatin resistant tumors followed by therapeutic challenge using cisplatin loaded CD44 targeted hyaluronic acid (HA) nanoparticle (NP) induced synergistic antitumor response CD44 expressing tumors that are resistant to cisplatin. In the current study, a near infrared (NIR) dye-loaded HA NP was employed to image the whole body localization of NPs after intravenous (i.v.) injection into live mice bearing human lung tumors that were sensitive and resistant to cisplatin. In addition, we quantified the siRNA duplexes and cisplatin dose distribution in various tissues and organs using an ultra-sensitive quantitative PCR method and inductively coupled plasma-mass spectrometry (ICP-MS), respectively, after i.v. injection of the payload loaded HA NPs in tumor bearing mice. Our findings demonstrate that the distribution pattern of the siRNA and cisplatin using specifically engineered CD44 targeting HA NPs correlated well with the tumor targeting capability as well as the activity and efficacy obtained with combination treatments.
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Affiliation(s)
- Shanthi Ganesh
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouvé College of Health Sciences, Northeastern University, Boston 02115, USA; Novartis Institutes for Biomedical Research Inc., Cambridge 02139, USA
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27
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Indocyanine green loaded SPIO nanoparticles with phospholipid-PEG coating for dual-modal imaging and photothermal therapy. Biomaterials 2013; 34:7706-14. [DOI: 10.1016/j.biomaterials.2013.07.007] [Citation(s) in RCA: 202] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2013] [Accepted: 07/01/2013] [Indexed: 12/16/2022]
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28
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29
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Jeong HS, Lee CM, Cheong SJ, Kim EM, Hwang H, Na KS, Lim ST, Sohn MH, Jeong HJ. The effect of mannosylation of liposome-encapsulated indocyanine green on imaging of sentinel lymph node. J Liposome Res 2013; 23:291-7. [DOI: 10.3109/08982104.2013.801488] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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30
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Proulx ST, Luciani P, Alitalo A, Mumprecht V, Christiansen AJ, Huggenberger R, Leroux JC, Detmar M. Non-invasive dynamic near-infrared imaging and quantification of vascular leakage in vivo. Angiogenesis 2013; 16:525-40. [PMID: 23325334 DOI: 10.1007/s10456-013-9332-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Accepted: 01/03/2013] [Indexed: 12/28/2022]
Abstract
Preclinical vascular research has been hindered by a lack of methods that can sensitively image and quantify vascular perfusion and leakage in vivo. In this study, we have developed dynamic near-infrared imaging methods to repeatedly visualize and quantify vascular leakage in mouse skin in vivo, and we have applied these methods to transgenic mice with overexpression of vascular endothelial growth factors VEGF-A or -C. Near-infrared dye conjugates were developed to identify a suitable vascular tracer that had a prolonged circulation lifetime and slow leakage into normal tissue after intravenous injection. Dynamic simultaneous imaging of ear skin and a large blood vessel in the leg enabled determination of the intravascular signal (blood volume fraction) from the tissue signal shortly after injection and quantifications of vascular leakage into the extravascular tissue over time. This method allowed for the sensitive detection of increased blood vascularity and leakage rates in K14-VEGF-A transgenic mice and also reliably measured inflammation-induced changes of vascularity and leakage over time in the same mice. Measurements after injection of recombinant VEGF-A surprisingly revealed increased blood vascular leakage and lymphatic clearance in K14-VEGF-C transgenic mice which have an expanded cutaneous lymphatic vessel network, potentially indicating unanticipated effects of lymphatic drainage on vascular leakage. Increased vascular leakage was also detected in subcutaneous tumors, confirming that the method can also be applied to deeper tissues. This new imaging method might facilitate longitudinal investigations of the in vivo effects of drug candidates, including angiogenesis inhibitors, in preclinical disease models.
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Affiliation(s)
- Steven T Proulx
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Wolfgang-Pauli-Str. 10, HCI H303, 8093 Zurich, Switzerland
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31
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Bartlett RL, Sharma S, Panitch A. Cell-penetrating peptides released from thermosensitive nanoparticles suppress pro-inflammatory cytokine response by specifically targeting inflamed cartilage explants. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2012; 9:419-427. [PMID: 23041412 DOI: 10.1016/j.nano.2012.09.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Revised: 08/16/2012] [Accepted: 09/03/2012] [Indexed: 11/29/2022]
Abstract
UNLABELLED Cell-penetrating anti-inflammatory peptide KAFAKLAARLYRKALARQLGVAA (KAFAK) has the ability to suppress pro-inflammatory cytokines TNF-α and IL-6 when released from degradable and non-degradable poly(NIPAm-AMPS) nanoparticles. In vitro human macrophage model with THP1 human monocytes and ex vivo bovine knee cartilage tissue both showed a dose-dependent suppression of pro-inflammatory cytokines when treated with KAFAK-loaded poly(NIPAm-AMPS) nanoparticles. When bovine knee cartilage explants were treated with KAFAK-loaded poly(NIPAm-AMPS) nanoparticles, rapid and highly selective targeting of only damaged tissue occurred. This study has demonstrated selective targeting and therapeutic efficacy of KAFAK when released from both degradable and non-degradable poly(NIPAm-AMPS) nanoparticles in in vitro and ex vivo models. As a result, poly(NIPAm-AMPS) nanoparticles loaded with KAFAK could be a very effective tool to treat osteoarthritis. FROM THE CLINICAL EDITOR Inflammatory arthritis remains a major medical problem with substantial socio-economic impact. Anti-inflammatory KAFAK peptide when released from degradable and non-degradable poly(NIPAm-AMPS) nanoparticles has the ability to penetrate cells and suppress pro-inflammatory cytokines, resulting in rapid and highly selective targeting of only damaged tissue in bovine knee cartilage explants. This approach may provide a very effective future tool in addressing osteoarthritis.
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Affiliation(s)
- Rush L Bartlett
- Weldon School of Biomedical Engineering, Purdue University, 206 S. Martin Jischke Drive, West Lafayette Indiana, 47907
| | - Shaili Sharma
- Weldon School of Biomedical Engineering, Purdue University, 206 S. Martin Jischke Drive, West Lafayette Indiana, 47907
| | - Alyssa Panitch
- Weldon School of Biomedical Engineering, Purdue University, 206 S. Martin Jischke Drive, West Lafayette Indiana, 47907
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32
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Zheng C, Zheng M, Gong P, Jia D, Zhang P, Shi B, Sheng Z, Ma Y, Cai L. Indocyanine green-loaded biodegradable tumor targeting nanoprobes for in vitro and in vivo imaging. Biomaterials 2012; 33:5603-9. [DOI: 10.1016/j.biomaterials.2012.04.044] [Citation(s) in RCA: 194] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Accepted: 04/17/2012] [Indexed: 10/28/2022]
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Kim W, Brady C, Chaikof EL. Amphiphilic protein micelles for targeted in vivo imaging. Acta Biomater 2012; 8:2476-82. [PMID: 22504077 DOI: 10.1016/j.actbio.2012.04.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Revised: 03/11/2012] [Accepted: 04/04/2012] [Indexed: 12/27/2022]
Abstract
A variety of polymeric nanoparticles have been developed for bioimaging applications. This study reports on the use of a 50 nm recombinant protein nanoparticle with a multivalent surface as a vehicle for functionalization with a model imaging agent. Multiple fluorescent probes were covalently conjugated to surface amines of crosslinked amphiphilic elastin-mimetic protein micelles using N-hydroxysuccinimide ester chemistry. In vivo fluorescence imaging confirmed that protein micelles selectively accumulated at sites of angioplasty induced vessel wall injury, presumably via an enhanced permeability and retention effect. This investigation demonstrates the potential of amphiphilic protein micelles to be used as a vehicle for selective imaging of sites associated with a disrupted or leaky endothelium.
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Affiliation(s)
- Wookhyun Kim
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA
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Coimbra M, Crielaard BJ, Storm G, Schiffelers RM. Critical factors in the development of tumor-targeted anti-inflammatory nanomedicines. J Control Release 2012; 160:232-8. [DOI: 10.1016/j.jconrel.2011.10.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Revised: 10/15/2011] [Accepted: 10/17/2011] [Indexed: 12/15/2022]
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35
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Kaminskas LM, Boyd BJ, Porter CJH. Dendrimer pharmacokinetics: the effect of size, structure and surface characteristics on ADME properties. Nanomedicine (Lond) 2012; 6:1063-84. [PMID: 21955077 DOI: 10.2217/nnm.11.67] [Citation(s) in RCA: 149] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Dendrimers show increasing promise as drug-delivery vectors and can be generated with a wide range of scaffold structures, sizes and surface functionalities. To this point, the majority of studies of dendrimer-based drug-delivery systems have detailed pharmacodynamic outcomes, or have followed the pharmacokinetics of a solubilized or conjugated drug. By contrast, detailed commentary on the in vivo fate of the dendrimer carrier is less evident, even though the pharmacokinetics of the carrier will likely dictate both pharmacodynamic and toxicokinetic outcomes. In the current article, the influence of size, structure and surface functionality on the absorption, distribution, metabolism and elimination (ADME) properties of dendrimers have been examined and the implications of these findings for delivery system design are discussed.
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Affiliation(s)
- Lisa M Kaminskas
- Drug Delivery Disposition & Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University. 381 Royal Parade, Parkville, VIC, 3052, Australia
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Mérian J, Gravier J, Navarro F, Texier I. Fluorescent nanoprobes dedicated to in vivo imaging: from preclinical validations to clinical translation. Molecules 2012; 17:5564-91. [PMID: 22576228 PMCID: PMC6268987 DOI: 10.3390/molecules17055564] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Revised: 05/06/2012] [Accepted: 05/07/2012] [Indexed: 11/30/2022] Open
Abstract
With the fast development, in the last ten years, of a large choice of set-ups dedicated to routine in vivo measurements in rodents, fluorescence imaging techniques are becoming essential tools in preclinical studies. Human clinical uses for diagnostic and image-guided surgery are also emerging. In comparison to low-molecular weight organic dyes, the use of fluorescent nanoprobes can improve both the signal sensitivity (better in vivo optical properties) and the fluorescence biodistribution (passive “nano” uptake in tumours for instance). A wide range of fluorescent nanoprobes have been designed and tested in preclinical studies for the last few years. They will be reviewed and discussed considering the obstacles that need to be overcome for their potential everyday use in clinics. The conjugation of fluorescence imaging with the benefits of nanotechnology should open the way to new medical applications in the near future.
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Affiliation(s)
| | | | | | - Isabelle Texier
- Author to whom correspondence should be addressed; ; Tel.: +33-438-784-670; Fax: +33-438-785-787
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Krucker T, Sandanaraj BS. Optical imaging for the new grammar of drug discovery. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2011; 369:4651-4665. [PMID: 22006912 DOI: 10.1098/rsta.2011.0300] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Optical technologies used in biomedical research have undergone tremendous development in the last decade and enabled important insight into biochemical, cellular and physiological phenomena at the microscopic and macroscopic level. Historically in drug discovery, to increase throughput in screening, or increase efficiency through automation of image acquisition and analysis in pathology, efforts in imaging were focused on the reengineering of established microscopy solutions. However, with the emergence of the new grammar for drug discovery, other requirements and expectations have created unique opportunities for optical imaging. The new grammar of drug discovery provides rules for translating the wealth of genomic and proteomic information into targeted medicines with a focus on complex interactions of proteins. This paradigm shift requires highly specific and quantitative imaging at the molecular level with tools that can be used in cellular assays, animals and finally translated into patients. The development of fluorescent targeted and activatable 'smart' probes, fluorescent proteins and new reporter gene systems as functional and dynamic markers of molecular events in vitro and in vivo is therefore playing a pivotal role. An enabling optical imaging platform will combine optical hardware refinement with a strong emphasis on creating and validating highly specific chemical and biological tools.
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Affiliation(s)
- Thomas Krucker
- Global Imaging Group, Novartis Institutes for BioMedical Research, Cambridge, MA 02139, USA.
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38
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Keereweer S, Mol IM, Kerrebijn JD, Van Driel PB, Xie B, Baatenburg de Jong RJ, Vahrmeijer AL, Löwik CW. Targeting integrins and enhanced permeability and retention (EPR) effect for optical imaging of oral cancer. J Surg Oncol 2011; 105:714-8. [DOI: 10.1002/jso.22102] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Accepted: 09/06/2011] [Indexed: 11/08/2022]
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Crielaard B, Lammers T, Morgan M, Chaabane L, Carboni S, Greco B, Zaratin P, Kraneveld A, Storm G. Macrophages and liposomes in inflammatory disease: Friends or foes? Int J Pharm 2011; 416:499-506. [DOI: 10.1016/j.ijpharm.2010.12.045] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2010] [Revised: 12/22/2010] [Accepted: 12/28/2010] [Indexed: 10/18/2022]
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40
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Fournelle M, Bost W, Tarner IH, Lehmberg T, Weiß E, Lemor R, Dinser R. Antitumor necrosis factor-α antibody-coupled gold nanorods as nanoprobes for molecular optoacoustic imaging in arthritis. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2011; 8:346-54. [PMID: 21740888 DOI: 10.1016/j.nano.2011.06.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2010] [Revised: 04/27/2011] [Accepted: 06/23/2011] [Indexed: 10/18/2022]
Abstract
Optoacoustic molecular imaging can provide spatially resolved information about the presence of molecular markers in vivo. We synthesized elongated gold nanorods having an absorption maximum in the range of 1064 nm modified with the antibodies infliximab and certolizumab for targeting TNF-α to detect inflammation in arthritic mouse knees. We showed an differential enhancement of optoacoustic signal amplitudes after the injection of infliximab-, but not certolizumab-modified and PEGylated control particles on arthritic and healthy control mice by using a fast-scanning optoacoustic imaging platform based on a pulsed Nd:YAG laser and a single focused ultrasound transducer. The excellent photoacoustic properties of the gold nanorods confirmed the overexpression of TNF-α in arthritic knees. Due to the uncomplicated coupling chemistry and the scalability of ultrasound-based imaging approaches, these results potentially allow a transfer to various preclinical and clinical applications. From the Clinical Editor: Gold nanorods were modified with TNF-α targeting antibodies and used to detect inflammation in arthritic mouse knees via optoaoustic imaging. A fast-scanning optoacoustic imaging platform based on a pulsed Nd:YAG laser and a single focused ultrasound transducer was utilized for imaging. The excellent photoacoustic properties of these gold nanorods confirmed the overexpression of TNF-α, paving the way towards further preclinical and future clinical applications.
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Affiliation(s)
- Marc Fournelle
- Fraunhofer Institut für Biomedizinische Technik, Division of Ultrasound, St. Ingbert, Germany
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41
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Optical and magnetic resonance imaging as complementary modalities in drug discovery. Future Med Chem 2011; 2:317-37. [PMID: 21426169 DOI: 10.4155/fmc.09.175] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Imaging has the ability to study various biological and chemical processes noninvasively in living subjects in a longitudinal way. For this reason, imaging technologies have become an integral part of the drug-discovery and development program and are commonly used in following disease processes and drug action in both preclinical and clinical stages. As the domain of imaging sciences transitions from anatomical/functional to molecular applications, the development of molecular probes becomes crucial for the advancement of the field. This review summarizes the role of two complementary techniques, magnetic resonance and fluorescence optical imaging, in drug discovery. While the first approach exploits intrinsic tissue characteristics as the source of image contrast, the second necessitates the use of appropriate probes for signal generation. The anatomical, functional, metabolic and molecular information that becomes accessible through imaging can provide invaluable insights into disease mechanisms and mechanisms of drug action.
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42
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Kenne E, Lindbom L. Imaging inflammatory plasma leakage in vivo. Thromb Haemost 2011; 105:783-9. [PMID: 21437352 DOI: 10.1160/th10-10-0635] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Accepted: 02/10/2011] [Indexed: 12/15/2022]
Abstract
Increased vascular permeability and consequent plasma leakage from postcapillary venules is a cardinal sign of inflammation. Although the movement of plasma constituents from the vasculature to the affected tissue aids in clearing the inflammatory stimulus, excessive plasma extravasation can lead to hospitalisation or death in cases such as influenza-induced pneumonia, burns or brain injury. The use of intravital imaging has significantly contributed to the understanding of the mechanisms controlling the vascular permeability alterations that occur during inflammation. Today, intravital imaging can be performed using optical and non-optical techniques. Optical techniques, which are generally used in experimental settings, include traditional intravital fluorescence microscopy and near-infrared fluorescence imaging. Magnetic resonance (MRI) and radioisotopic imaging are used mainly in the clinical setting, but are increasingly used in experimental work, and can detect plasma leakage without optics. Although these methods are all able to visualise inflammatory plasma leakage in vivo, the spatial and temporal resolution differs between the techniques. In addition, they vary with regards to invasiveness and availability. This overview discusses the use of imaging techniques in the visualisation of inflammatory plasma leakage.
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Affiliation(s)
- E Kenne
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.
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43
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Nie Y, Zhang ZR, He B, Gu Z. Investigation of PEG-PLGA-PEG nanoparticles-based multipolyplexes for IL-18 gene delivery. J Biomater Appl 2011; 26:893-916. [PMID: 21273262 DOI: 10.1177/0885328210384889] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Nanoparticles were formulated with biodegradable monomethoxy (poly ethylene glycol)-poly(lactide-co-glycolide)-monomethoxy (poly ethylene glycol) of three different proportional (PEG-PLGA-PEG, lactic acid: glycolic acid = 80/20, 70/30, 50/50) and the cytotoxicity of nanoparticle was characterized according to US Pharmacopoeia XXIII recommendations on various cell lines, including L929, Chang's hepatocytes, primary mouse myoblasts, osteoblasts, and renal vascular endothelial cells. mIL-18 gene was first condensed by polycationic peptide polylysine (PLL), and then encapsulated in the PEG-PLGA-PEG NPs as a novel multi-polyplex gene delivery system - Polymer-PLL-DNA. (PPDs) After lyopholization, the morphology, particle size, zeta potential, and the integrity of DNA in the NPs were investigated. The expression of mIL-18 gene on CT-26 cells in vitro were determined by western blot, while in vivo efficacy was evaluated by tumor inhibition rate, histological section, and survival curve in pulmonary metastasis of colon cancer in BALB/c mice model. Results showed that the cytotoxicity of blank nanoparticles was related to the degradation properties of the polymers with different compositions. The NPs with LA:GA = 70/30 (NPs-73) was optimal for intravenous injection due to its low cytotoxicity. Physicochemical properties of the PPDs were not changed during the lyopholization, while mIL-18 was successfully expressed in vitro. The anti-tumor efficacy in vivo of PPDs showed improvement especially combined with chemotherapy of cisplatin, and confirmed the promising application of the PPDs system, which compared with any single treatment.
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Affiliation(s)
- Yu Nie
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan, China
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Portnoy E, Lecht S, Lazarovici P, Danino D, Magdassi S. Cetuximab-labeled liposomes containing near-infrared probe for in vivo imaging. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2011; 7:480-8. [PMID: 21272665 DOI: 10.1016/j.nano.2011.01.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2010] [Revised: 12/23/2010] [Accepted: 01/10/2011] [Indexed: 02/08/2023]
Abstract
UNLABELLED A new liposome-based near-infrared probe that combines both imaging and targeting abilities was developed for application in medical imaging. The near-infrared fluorescent molecule indocyanine green (ICG), and the cetuximab monoclonal antibody for epidermal growth factor receptor (EGFR) were attached to liposomes by passive adsorption. It was found that ICG molecules adsorbed to the liposomes are more fluorescent than free ICG and have a larger quantum yield. Cetuximab-adsorbed fluorescent liposomes preserved EGFR recognition, as is evident from internalization and selective binding to A431 colon carcinoma cells overexpressing EGFR. The binding of cetuximab-targeted fluorescent liposomes to A431 compared with IEC-6 cells (normal enterocytes expressing physiological EGFR levels) was greater by a factor of 3.5, ensuring imaging abilities with available fluorescent equipment. Due to relatively high quantum yield and specific tumor cell-recognizing ability, this technology deserves further in vivo evaluation for imaging and diagnostic purposes. FROM THE CLINICAL EDITOR A new liposome-based near-infrared probe combining both imaging and targeting abilities is reported. Due to relatively high quantum yield and EGFR-expressing tumor cell specificity, this technology deserves further in vivo evaluation for imaging and diagnostic purposes.
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Affiliation(s)
- Emma Portnoy
- Casali Institute of Applied Chemistry, Institute of Chemistry and Center for Nanoscience and Nanotechnology, Jerusalem, Israel
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45
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Using mechanobiological mimicry of red blood cells to extend circulation times of hydrogel microparticles. Proc Natl Acad Sci U S A 2011; 108:586-91. [PMID: 21220299 DOI: 10.1073/pnas.1010013108] [Citation(s) in RCA: 380] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
It has long been hypothesized that elastic modulus governs the biodistribution and circulation times of particles and cells in blood; however, this notion has never been rigorously tested. We synthesized hydrogel microparticles with tunable elasticity in the physiological range, which resemble red blood cells in size and shape, and tested their behavior in vivo. Decreasing the modulus of these particles altered their biodistribution properties, allowing them to bypass several organs, such as the lung, that entrapped their more rigid counterparts, resulting in increasingly longer circulation times well past those of conventional microparticles. An 8-fold decrease in hydrogel modulus correlated to a greater than 30-fold increase in the elimination phase half-life for these particles. These results demonstrate a critical design parameter for hydrogel microparticles.
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Lim EK, Jang E, Kim B, Choi J, Lee K, Suh JS, Huh YM, Haam S. Dextran-coated magnetic nanoclusters as highly sensitive contrast agents for magnetic resonance imaging of inflammatory macrophages. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm10764j] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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47
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Stern ST, Hall JB, Yu LL, Wood LJ, Paciotti GF, Tamarkin L, Long SE, McNeil SE. Translational considerations for cancer nanomedicine. J Control Release 2010; 146:164-74. [PMID: 20385183 PMCID: PMC2921639 DOI: 10.1016/j.jconrel.2010.04.008] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2010] [Accepted: 04/04/2010] [Indexed: 11/26/2022]
Abstract
There are many important considerations during preclinical development of cancer nanomedicines, including: 1) unique aspects of animal study design; 2) the difficulties in evaluating biological potency, especially for complex formulations; 3) the importance of analytical methods that can determine platform stability in vivo, and differentiate bound and free active pharmaceutical ingredient (API) in biological matrices; and 4) the appropriateness of current dose scaling techniques for estimation of clinical first-in-man dose from preclinical data. Biologics share many commonalities with nanotechnology products with regard to complexity and biological attributes, and can, in some cases, provide context for dealing with these preclinical issues. In other instances, such as the case of in vivo stability analysis, new approaches are required. This paper will discuss the significance of these preclinical issues, and present examples of current methods and best practices for addressing them. Where possible, these recommendations are justified using the existing regulatory guidance literature.
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Affiliation(s)
- Stephan T Stern
- Nanotechnology Characterization Laboratory, Advanced Technology Program, SAIC-Frederick Inc., NCI-Frederick, PO Box B, Frederick, MD 21702, USA.
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