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Li Z, Yin Y, Jin W, Zhang B, Yan H, Mei H, Wang H, Guo T, Shi W, Hu Y. Tissue Factor-Targeted "O 2-Evolving" Nanoparticles for Photodynamic Therapy in Malignant Lymphoma. Front Oncol 2020; 10:524712. [PMID: 33240803 PMCID: PMC7683716 DOI: 10.3389/fonc.2020.524712] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 09/21/2020] [Indexed: 11/30/2022] Open
Abstract
Vascular-targeted PDT (vPDT) has produced promising results in the treatment of many cancers, including drug-resistant ones, but little is known about its efficacy in lymphoma. Unfortunately, the lack of a specific therapeutic target and a hypoxic microenvironment for lymphoma jeopardizes the efficacy of vPDT severely. In this study, we designed a lymphoma tissue factor-targeted “O2-evolving” strategy combining PDT with catalase and HMME-encapsulated, EGFP-EGF1-modified PEG-PLGA nanoparticles (CENPs) to boost PDT efficiency; this combination takes advantage of the low oxygen tension of lymphoma. In our results, CENPs accumulated effectively in the vascular lymphoma in vivo and in vitro, and this accumulation increased further with PDT treatment. Per positron emission tomography imaging, combining CENPs with PDT inhibited lymphoma glucose metabolism significantly. The expression of hypoxia-inducible factor (HIF)-1α in the entrapped catalase groups reduced markedly. These data show that the combined administration of PDT and CENPs can prompt tissue factor-cascade-targeted and self-supply of oxygen and that it has a good therapeutic effect on malignant lymphoma.
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Affiliation(s)
- Ziying Li
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Targeted Biotherapy Key Laboratory of Ministry of Education, Wuhan, China
| | - Yanxue Yin
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Targeted Biotherapy Key Laboratory of Ministry of Education, Wuhan, China
| | - Weiwei Jin
- Department of Cardiovascular, Optical Valley School District, Hubei Province Academy of Traditional Chinese Medicine, Wuhan, China
| | - Bo Zhang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Targeted Biotherapy Key Laboratory of Ministry of Education, Wuhan, China.,Department of Systems Biology, National Cancer Institute Comprehensive Cancer Center, Beckman Research Institute, City of Hope, Monrovia, CA, United States
| | - Han Yan
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Targeted Biotherapy Key Laboratory of Ministry of Education, Wuhan, China
| | - Heng Mei
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Targeted Biotherapy Key Laboratory of Ministry of Education, Wuhan, China
| | - Huafang Wang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Targeted Biotherapy Key Laboratory of Ministry of Education, Wuhan, China
| | - Tao Guo
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Targeted Biotherapy Key Laboratory of Ministry of Education, Wuhan, China
| | - Wei Shi
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Targeted Biotherapy Key Laboratory of Ministry of Education, Wuhan, China
| | - Yu Hu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Targeted Biotherapy Key Laboratory of Ministry of Education, Wuhan, China
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Chen H, He C, Chen T, Xue X. New strategy for precise cancer therapy: tumor-specific delivery of mitochondria-targeting photodynamic therapy agents and in situ O 2-generation in hypoxic tumors. Biomater Sci 2020; 8:3994-4002. [PMID: 32573618 DOI: 10.1039/d0bm00500b] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Besides tumor hypoxia and limitation of superficial lesions, the short lifetime of photoinduced reactive oxygen species (ROS) is another factor repressing photodynamic therapy (PDT) efficacy. To overcome these problems, this study developed newly designed mitochondria-specific, H2O2-activatable, and O2-producing nanoparticles to achieve highly selective and efficient PDT and self-sufficiency of O2 in hypoxic tumors. The newly designed nanoparticles (BDPP NPs) are composed of a mitochondria-targeting photosensitizer and catalase in the aqueous core and a black hole quencher and fluorescent tracker in the polymeric shell, and modified with the tumor-targeting cyclic pentapeptide c(RGDfK). Once taken up by αvβ3 integrin-rich tumor cells, intracellular H2O2 easily penetrated the lipophilic shells into the aqueous cores of BDPP NPs, and it was catalyzed by catalase to quickly generate O2 gas, causing the rupture of the NPs to release the photosensitizer. Therefore in vivo tumor cell mitochondria targeting by BDPP can be realized together with the favorable hypoxia relief. In vitro and in vivo experiments demonstrate that the therapeutic efficiency was significantly improved by the mitochondria-specific feature and H2O2-controllable generation of 1O2. More importantly, BDPP NPs continuously generate O2 in the PDT process, which can be helpful for resolving the overconsumption of oxygen in PDT and enhancing the PDT efficiency of cancer chemotherapy. We anticipate that this work may provide new insight into the design of smart PDT systems to achieve highly selective in vivo PDT via targeting subcellular organelles and realize oxygen therapy in O2-deprived tumors.
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Affiliation(s)
- Huachao Chen
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China.
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Boyman L, Williams GSB, Wescott AP, Leach JB, Kao JPY, Lederer WJ. Real-time local oxygen measurements for high resolution cellular imaging. J Mol Cell Cardiol 2018; 127:97-104. [PMID: 30528909 DOI: 10.1016/j.yjmcc.2018.11.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 11/04/2018] [Accepted: 11/29/2018] [Indexed: 12/31/2022]
Abstract
Single-cell metabolic investigations are hampered by the absence of flexible tools to measure local partial pressure of O2 (pO2) at high spatial-temporal resolution. To this end, we developed an optical sensor capable of measuring local pericellular pO2 for subcellular resolution measurements with confocal imaging while simultaneously carrying out electrophysiological and/or chemo-mechanical single cell experiments. Here we present the OxySplot optrode, a ratiometric fluorescent O2-micro-sensor created by adsorbing O2-sensitive and O2-insensitive fluorophores onto micro-particles of silica. To protect the OxySplot optrode from the components and reactants of liquid environment without compromising access to O2, the micro-particles are coated with an optically clear silicone polymer (PDMS, polydimethylsiloxane). The PDMS coated OxySplot micro-particles are used alone or in a thin (~50 μm) PDMS layer of arbitrary shape referred to as the OxyMat. Additional top coatings on the OxyMat (e.g., fibronectin, laminin, polylysine, special photoactivatable surfaces etc.) facilitate adherence of cells. The OxySplots report the cellular pO2 and micro-gradients of pO2 without disrupting the flow of extracellular solutions or interfering with patch-clamp pipettes, mechanical attachments, and micro-superfusion. Since OxySplots and a cell can be imaged and spatially resolved, calibrated changes of pO2 and intracellular events can be imaged simultaneously. In addition, the response-time (t0.5 = 0.7 s, 0-160 mmHg) of OxySplots is ~100 times faster than amperometric Clark-type polarization microelectrodes. Two usage example of OxySplots with cardiomyocytes show (1) OxySplots measuring pericellular pO2 while tetramethylrhodamine methyl-ester (TMRM) was used to measure mitochondrial membrane potential (ΔΨm); and (2) OxySplots measuring pO2 during ischemia and reperfusion while rhod-2 was used to measure cytosolic [Ca2+]i levels simultaneously. The OxySplot/OxyMat optrode system provides an affordable and highly adaptable optical sensor system for monitoring pO2 with a diverse array of imaging systems, including high-speed, high-resolution confocal microscopes while physiological features are measured simultaneously.
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Affiliation(s)
- Liron Boyman
- Center for Biomedical Engineering and Technology, University of Maryland School of Medicine, Baltimore, MD 21201, USA; Department of Physiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - George S B Williams
- Center for Biomedical Engineering and Technology, University of Maryland School of Medicine, Baltimore, MD 21201, USA; Department of Physiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Andrew P Wescott
- Center for Biomedical Engineering and Technology, University of Maryland School of Medicine, Baltimore, MD 21201, USA; Department of Physiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Jennie B Leach
- Department of Chemical, Biochemical and Environmental Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA
| | - Joseph P Y Kao
- Center for Biomedical Engineering and Technology, University of Maryland School of Medicine, Baltimore, MD 21201, USA; Department of Physiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - W Jonathan Lederer
- Center for Biomedical Engineering and Technology, University of Maryland School of Medicine, Baltimore, MD 21201, USA; Department of Physiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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Roussakis E, Li Z, Nichols AJ, Evans CL. Sauerstoffmessung in der Biomedizin - von der Makro- zur Mikroebene. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201410646] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Roussakis E, Li Z, Nichols AJ, Evans CL. Oxygen-Sensing Methods in Biomedicine from the Macroscale to the Microscale. Angew Chem Int Ed Engl 2015; 54:8340-62. [DOI: 10.1002/anie.201410646] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 01/05/2015] [Indexed: 12/15/2022]
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Chen H, Tian J, He W, Guo Z. H2O2-Activatable and O2-Evolving Nanoparticles for Highly Efficient and Selective Photodynamic Therapy against Hypoxic Tumor Cells. J Am Chem Soc 2015; 137:1539-47. [DOI: 10.1021/ja511420n] [Citation(s) in RCA: 652] [Impact Index Per Article: 72.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Huachao Chen
- State Key Laboratory of Coordination
Chemistry, Coordination Chemistry Institute, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Jiangwei Tian
- State Key Laboratory of Coordination
Chemistry, Coordination Chemistry Institute, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Weijiang He
- State Key Laboratory of Coordination
Chemistry, Coordination Chemistry Institute, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Zijian Guo
- State Key Laboratory of Coordination
Chemistry, Coordination Chemistry Institute, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
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Wang XD, Wolfbeis OS. Optical methods for sensing and imaging oxygen: materials, spectroscopies and applications. Chem Soc Rev 2014; 43:3666-761. [PMID: 24638858 DOI: 10.1039/c4cs00039k] [Citation(s) in RCA: 557] [Impact Index Per Article: 55.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We review the current state of optical methods for sensing oxygen. These have become powerful alternatives to electrochemical detection and in the process of replacing the Clark electrode in many fields. The article (with 694 references) is divided into main sections on direct spectroscopic sensing of oxygen, on absorptiometric and luminescent probes, on polymeric matrices and supports, on additives and related materials, on spectroscopic schemes for read-out and imaging, and on sensing formats (such as waveguide sensing, sensor arrays, multiple sensors and nanosensors). We finally discuss future trends and applications and summarize the properties of the most often used indicator probes and polymers. The ESI† (with 385 references) gives a selection of specific applications of such sensors in medicine, biology, marine and geosciences, intracellular sensing, aerodynamics, industry and biotechnology, among others.
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Affiliation(s)
- Xu-dong Wang
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, D-93040 Regensburg, Germany.
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Kim JH, Shin HJ, Cho H, Kwak SM, Cho H, Kim TS, Kang JY, Yang EG. A microfluidic protease activity assay based on the detection of fluorescence polarization. Anal Chim Acta 2006; 577:171-7. [PMID: 17723668 DOI: 10.1016/j.aca.2006.06.058] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2006] [Revised: 05/25/2006] [Accepted: 06/21/2006] [Indexed: 11/24/2022]
Abstract
This article describes a fluorescence polarization (FP)-based protease assay on a microfluidic device that is compatible with fast and reproducible analyses of protease activities. The optical systems were arranged for simultaneously measuring fluorescence intensities of vertical and horizontal polarization planes, and the binding of tetramethylrhodamine (TMR) labeled-biotin with streptavidin was utilized for optimizing FP detection in continuously flowing solutions within 74-microm wide, 12-microm deep microchannels of a glass chip. In developing off-chip FP-based assays for proteinase K, trypsin, papain and elastase, TMR conjugated-casein protein (TMR-alpha-casein) was employed as a universal substrate. After optimization of the hydrodynamic flow control to allow complete mixing of TMR-alpha-casein and short proteolysis time as possible, and of buffer composition to minimize protein sticking problems, the developed assay was transferred to the microfluidic chip by monitoring FP changes of TMR-alpha-casein in the main microchannel. The results indicate that the proposed device would serve as an integrated microfluidic platform with automated injection of reacting species, diffusion-controlled mixing, reaction and detection for protease activities without the need to separate the products.
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Affiliation(s)
- Jung Hwan Kim
- Life Sciences Division, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul, Republic of Korea
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Yadavalli VK, Pishko MV. Biosensing in microfluidic channels using fluorescence polarization. Anal Chim Acta 2004. [DOI: 10.1016/j.aca.2003.12.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Abstract
Novel approaches to sensor design, based on the use of an internal standard with appropriate spectral properties, provide new possibilities for designing simple devices for fluorescence sensing. Detection of combined emission from the reference and an analyte-sensitive fluorophore has been achieved in numerous measurements in cuvettes, tissues, and high-throughput formats. These methods have been used with a long-lifetime reference to measure pH, O2, pCO2, glucose, and calcium by means of modulation-sensing methods as well as by the use of oriented films as the reference for polarization sensing of glucose, pH, oxygen, and lactate. Polarization sensing has also been developed with visual detection to measure the concentration of rhodamine B and pH. Modulation and polarization sensing was found to be effective in highly scattering media such as Intralipid or tissue. The applicability of these technologies to transdermal diagnostics depends on the availability of red fluorophores that can be used in vivo. One dye that could possibly be used is indocyanine green (IcG), which absorbs and emits at wavelengths above 700 nm. Furthermore, IcG has already been approved for use in humans for monitoring burn severity and it has been detected through the skin. It appears likely that modern optics and electronic technology will allow the development of practical devices for biomedical use as shown in Scheme 1.
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Affiliation(s)
- Zygmunt Gryczynski
- Department of Biochemistry and Molecular Biology, Center for Fluorescence Spectroscopy, University of Maryland School of Medicine, Baltimore 21201, USA
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Gryczynski I, Malicka J, Holder E, DiCesare N, Lakowicz JR. Effects of metallic silver particles on the emission properties of [Ru(bpy)(3)]. Chem Phys Lett 2003; 372:409-414. [PMID: 20360870 PMCID: PMC2848127 DOI: 10.1016/s0009-2614(03)00420-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We examined the emission spectral properties of [Ru(bpy)(3)](2+) in a thin film of polyvinyl alcohol coated on quartz slides or on metallic silver particles. The relative intensities were several fold higher on the surface containing silver particles, and the decay times were several fold smaller. These results are consistent with an approximate 20-fold increase in the radiative decay rate of [Ru(bpy)(3)](2+) when near metallic silver particles. These results suggest the use of silver particles for increased detectability of the emission from transition metal-ligand complexes.
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Affiliation(s)
- Ignacy Gryczynski
- Department of Biochemistry and Molecular Biology, Center for Fluorescence Spectroscopy, University of Maryland School of Medicine, 725 West Lombard Street, Baltimore, MD 21201, USA
| | - Joanna Malicka
- Department of Biochemistry and Molecular Biology, Center for Fluorescence Spectroscopy, University of Maryland School of Medicine, 725 West Lombard Street, Baltimore, MD 21201, USA
| | - Elisabeth Holder
- Department of Biochemistry and Molecular Biology, Center for Fluorescence Spectroscopy, University of Maryland School of Medicine, 725 West Lombard Street, Baltimore, MD 21201, USA
| | - Nicolas DiCesare
- Department of Biochemistry and Molecular Biology, Center for Fluorescence Spectroscopy, University of Maryland School of Medicine, 725 West Lombard Street, Baltimore, MD 21201, USA
| | - Joseph R. Lakowicz
- Department of Biochemistry and Molecular Biology, Center for Fluorescence Spectroscopy, University of Maryland School of Medicine, 725 West Lombard Street, Baltimore, MD 21201, USA
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Kostov Y, Gryczynski Z, Rao G. Polarization oxygen sensor: a template for a class of fluorescence-based sensors. Anal Chem 2002; 74:2167-71. [PMID: 12033322 DOI: 10.1021/ac0111107] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We describe a novel oxygen polarization sensor based on a single molecule that changes the observed anisotropy of its emission with variation of the oxygen concentration. The approach is demonstrated both in solution and in solid films. A simple mathematical description of the sensor is included and experimentally verified. The technique demonstrated here creates opportunity for development of a new class of polarization-based dyes and sensors.
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Affiliation(s)
- Yordan Kostov
- Department of Chemical and Biochemical Engineering, University of Maryland, Baltimore County, Baltimore 21250, USA
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Lakowicz JR, Gryczynski I, Gryczynski Z. Novel fluorescence sensing methods for high throughput screening. JOURNAL OF BIOMOLECULAR SCREENING 2000; 5:123-32. [PMID: 10894755 PMCID: PMC6942524 DOI: 10.1177/108705710000500304] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We describe two new methods of fluorescence sensing for use in high throughput screening (HTS). Modulation sensing transforms analyte-dependent intensity changes into a change in the low-frequency modulation signal. Polarization sensing transforms an intensity change into a change in polarization. Both methods are internally calibrated by using a reference film immediately adjacent to the sample, which can be readily located on the HTS plate or on a nearby optical component and provides an intensity or polarization reference. Modulation sensing and polarization sensing were both shown useful for measurements of fluorophore concentrations, pH, or calcium concentrations in the wells of HTS plates. Sensing with a reference film provides the opportunity to internally reference HTS measurements without the need for additions to the sample. This approach can provide standardization for assays performed at different times.
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Affiliation(s)
- J R Lakowicz
- Center for Fluorescence Spectroscopy, Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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