1
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Calabretta MM, Gregucci D, Guardigli M, Michelini E. Low-cost and sustainable smartphone-based tissue-on-chip device for bioluminescence biosensing. Biosens Bioelectron 2024; 261:116454. [PMID: 38875866 DOI: 10.1016/j.bios.2024.116454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/27/2024] [Accepted: 05/29/2024] [Indexed: 06/16/2024]
Abstract
Several organ-on-chip and cell-on-chip devices have been reported, however, their main drawback is that they are not interoperable (i.e., they have been fabricated with customized equipment, thus cannot be applied in other facilities, unless having the same setup), and require cell-culture facilities and benchtop instrumentation. As a consequence, results obtained with such devices do not generally comply with the principles of findability, accessibility, interoperability, and reusability (FAIR). To overcome such limitation, leveraging cost-effective 3D printing we developed a bioluminescent tissue on-a-chip device that can be easily implemented in any laboratory. The device enables continuous monitoring of cell co-cultures expressing different bioluminescent reporter proteins and, thanks to the implementation of new highly bioluminescent luciferases having high pH and thermal stability, can be monitored via smartphone camera. Another relevant feature is the possibility to insert the chip into a commercial 24-well plate for use with standard benchtop instrumentation. The suitability of this device for 3D cell-based biosensing for monitoring activation of target molecular pathways, i.e., the inflammatory pathway via nuclear factor kappa-B (NF-κB) activation, and general cytotoxicity is here reported showing similar analytical performance when compared to conventional 3D cell-based assays performed in 24-well plates.
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Affiliation(s)
- Maria Maddalena Calabretta
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via P. Gobetti 85, 40129, Bologna, Italy; Center for Applied Biomedical Research (CRBA), Azienda Ospedaliero-Universitaria Policlinico S. Orsola-Malpighi, 40138, Bologna, Italy
| | - Denise Gregucci
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via P. Gobetti 85, 40129, Bologna, Italy; Center for Applied Biomedical Research (CRBA), Azienda Ospedaliero-Universitaria Policlinico S. Orsola-Malpighi, 40138, Bologna, Italy
| | - Massimo Guardigli
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via P. Gobetti 85, 40129, Bologna, Italy
| | - Elisa Michelini
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via P. Gobetti 85, 40129, Bologna, Italy; Center for Applied Biomedical Research (CRBA), Azienda Ospedaliero-Universitaria Policlinico S. Orsola-Malpighi, 40138, Bologna, Italy; Health Sciences and Technologies Interdepartmental Center for Industrial Research (HSTICIR), University of Bologna, 40126, Bologna, Italy.
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2
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Russo F, Civili B, Winssinger N. Bright Red Bioluminescence from Semisynthetic NanoLuc (sNLuc). ACS Chem Biol 2024; 19:1035-1039. [PMID: 38717306 PMCID: PMC11106743 DOI: 10.1021/acschembio.4c00033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 04/19/2024] [Accepted: 04/22/2024] [Indexed: 05/18/2024]
Abstract
Red-shifted bioluminescence is highly desirable for diagnostic and imaging applications. Herein, we report a semisynthetic NanoLuc (sNLuc) based on complementation of a split NLuc (LgBiT) with a synthetic peptide (SmBiT) functionalized with a fluorophore for BRET emission. We observed exceptional BRET ratios with diverse fluorophores, notably in the red (I674/I450 > 14), with a brightness that is sufficient for naked eye detection in blood or through tissues. To exemplify its utility, LgBiT was fused to a miniprotein that binds HER2 (affibody, ZHER2), and the selective detection of HER2+ SK-BR-3 cells over HER2- HeLa cells was demonstrated.
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Affiliation(s)
- Francesco Russo
- Department of Organic Chemistry,
Faculty of Sciences, University of Geneva, 1211 Geneva, Switzerland
| | - Beatrice Civili
- Department of Organic Chemistry,
Faculty of Sciences, University of Geneva, 1211 Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry,
Faculty of Sciences, University of Geneva, 1211 Geneva, Switzerland
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3
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Zhao S, Xiong Y, Sunnapu R, Zhang Y, Tian X, Ai HW. Bioluminescence Imaging of Potassium Ion Using a Sensory Luciferin and an Engineered Luciferase. J Am Chem Soc 2024; 146:13406-13416. [PMID: 38698549 PMCID: PMC11100015 DOI: 10.1021/jacs.4c02473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 05/05/2024]
Abstract
Bioluminescent indicators are power tools for studying dynamic biological processes. In this study, we present the generation of novel bioluminescent indicators by modifying the luciferin molecule with an analyte-binding moiety. Specifically, we have successfully developed the first bioluminescent indicator for potassium ions (K+), which are critical electrolytes in biological systems. Our approach involved the design and synthesis of a K+-binding luciferin named potassiorin. Additionally, we engineered a luciferase enzyme called BRIPO (bioluminescent red indicator for potassium) to work synergistically with potassiorin, resulting in optimized K+-dependent bioluminescence responses. Through extensive validation in cell lines, primary neurons, and live mice, we demonstrated the efficacy of this new tool for detecting K+. Our research demonstrates an innovative concept of incorporating sensory moieties into luciferins to modulate luciferase activity. This approach has great potential for developing a wide range of bioluminescent indicators, advancing bioluminescence imaging (BLI), and enabling the study of various analytes in biological systems.
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Affiliation(s)
- Shengyu Zhao
- Department
of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
- Center
for Membrane and Cell Physiology, University
of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
- Department
of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Ying Xiong
- Department
of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
- Center
for Membrane and Cell Physiology, University
of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
| | - Ranganayakulu Sunnapu
- Department
of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
- Center
for Membrane and Cell Physiology, University
of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
| | - Yiyu Zhang
- Department
of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
- Center
for Membrane and Cell Physiology, University
of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
| | - Xiaodong Tian
- Department
of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
- Center
for Membrane and Cell Physiology, University
of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
| | - Hui-wang Ai
- Department
of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
- Center
for Membrane and Cell Physiology, University
of Virginia School of Medicine, Charlottesville, Virginia 22908, United States
- Department
of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
- The
UVA Comprehensive Cancer Center, University
of Virginia, Charlottesville, Virginia 22908, United States
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4
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Zhao S, Xiong Y, Sunnapu R, Zhang Y, Tian X, Ai HW. Bioluminescence Imaging of Potassium Ion Using a Sensory Luciferin and an Engineered Luciferase. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.13.581057. [PMID: 38559024 PMCID: PMC10980066 DOI: 10.1101/2024.03.13.581057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Bioluminescent indicators are power tools for studying dynamic biological processes. In this study, we present the generation of novel bioluminescent indicators by modifying the luciferin molecule with an analyte-binding moiety. Specifically, we have successfully developed the first bioluminescent indicator for potassium ions (K+), which are critical electrolytes in biological systems. Our approach involved the design and synthesis of a K+-binding luciferin named potassiorin. Additionally, we engineered a luciferase enzyme called BRIPO (bioluminescent red indicator for potassium) to work synergistically with potassiorin, resulting in optimized K+-dependent bioluminescence responses. Through extensive validation in cell lines, primary neurons, and live mice, we demonstrated the efficacy of this new tool for detecting K+. Our research demonstrates an innovative concept of incorporating sensory moieties into luciferins to modulate luciferase activity. This approach has great potential for developing a wide range of bioluminescent indicators, advancing bioluminescence imaging (BLI), and enabling the study of various analytes in biological systems.
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Affiliation(s)
- Shengyu Zhao
- Department of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
- Center for Membrane and Cell Physiology, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, USA
| | - Ying Xiong
- Department of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
- Center for Membrane and Cell Physiology, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
| | - Ranganayakulu Sunnapu
- Department of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
- Center for Membrane and Cell Physiology, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
| | - Yiyu Zhang
- Department of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
- Center for Membrane and Cell Physiology, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
| | - Xiaodong Tian
- Department of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
- Center for Membrane and Cell Physiology, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
| | - Hui-Wang Ai
- Department of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
- Center for Membrane and Cell Physiology, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, USA
- The UVA Comprehensive Cancer Center, University of Virginia, Charlottesville, Virginia 22908, USA
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5
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Zhang Y, Zhang Z, Wu M, Zhang R. Advances and Perspectives of Responsive Probes for Measuring γ-Glutamyl Transpeptidase. ACS MEASUREMENT SCIENCE AU 2024; 4:54-75. [PMID: 38404494 PMCID: PMC10885334 DOI: 10.1021/acsmeasuresciau.3c00045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/07/2023] [Accepted: 11/07/2023] [Indexed: 02/27/2024]
Abstract
Gamma-glutamyltransferase (GGT) is a plasma-membrane-bound enzyme that is involved in the γ-glutamyl cycle, like metabolism of glutathione (GSH). This enzyme plays an important role in protecting cells from oxidative stress, thus being tested as a key biomarker for several medical conditions, such as liver injury, carcinogenesis, and tumor progression. For measuring GGT activity, a number of bioanalytical methods have emerged, such as chromatography, colorimetric, electrochemical, and luminescence analyses. Among these approaches, probes that can specifically respond to GGT are contributing significantly to measuring its activity in vitro and in vivo. This review thus aims to highlight the recent advances in the development of responsive probes for GGT measurement and their practical applications. Responsive probes for fluorescence analysis, including "off-on", near-infrared (NIR), two-photon, and ratiometric fluorescence response probes, are initially summarized, followed by discussing the advances in the development of other probes, such as bioluminescence, chemiluminescence, photoacoustic, Raman, magnetic resonance imaging (MRI), and positron emission tomography (PET). The practical applications of the responsive probes in cancer diagnosis and treatment monitoring and GGT inhibitor screening are then highlighted. Based on this information, the advantages, challenges, and prospects of responsive probe technology for GGT measurement are analyzed.
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Affiliation(s)
- Yiming Zhang
- Australian Institute for
Bioengineering and Nanotechnology, The University
of Queensland, St. Lucia, Queensland 4072, Australia
| | - Zexi Zhang
- Australian Institute for
Bioengineering and Nanotechnology, The University
of Queensland, St. Lucia, Queensland 4072, Australia
| | - Miaomiao Wu
- Australian Institute for
Bioengineering and Nanotechnology, The University
of Queensland, St. Lucia, Queensland 4072, Australia
| | - Run Zhang
- Australian Institute for
Bioengineering and Nanotechnology, The University
of Queensland, St. Lucia, Queensland 4072, Australia
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6
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Fu Q, Yang X, Wang M, Zhu K, Wang Y, Song J. Activatable Probes for Ratiometric Imaging of Endogenous Biomarkers In Vivo. ACS NANO 2024; 18:3916-3968. [PMID: 38258800 DOI: 10.1021/acsnano.3c10659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Dynamic variations in the concentration and abnormal distribution of endogenous biomarkers are strongly associated with multiple physiological and pathological states. Therefore, it is crucial to design imaging systems capable of real-time detection of dynamic changes in biomarkers for the accurate diagnosis and effective treatment of diseases. Recently, ratiometric imaging has emerged as a widely used technique for sensing and imaging of biomarkers due to its advantage of circumventing the limitations inherent to conventional intensity-dependent signal readout methods while also providing built-in self-calibration for signal correction. Here, the recent progress of ratiometric probes and their applications in sensing and imaging of biomarkers are outlined. Ratiometric probes are classified according to their imaging mechanisms, and ratiometric photoacoustic imaging, ratiometric optical imaging including photoluminescence imaging and self-luminescence imaging, ratiometric magnetic resonance imaging, and dual-modal ratiometric imaging are discussed. The applications of ratiometric probes in the sensing and imaging of biomarkers such as pH, reactive oxygen species (ROS), reactive nitrogen species (RNS), glutathione (GSH), gas molecules, enzymes, metal ions, and hypoxia are discussed in detail. Additionally, this Review presents an overview of challenges faced in this field along with future research directions.
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Affiliation(s)
- Qinrui Fu
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266021, China
| | - Xiao Yang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266021, China
| | - Mengzhen Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266021, China
| | - Kang Zhu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yin Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266021, China
| | - Jibin Song
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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7
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Klein MA, Lazarev S, Gervasi C, Cowan C, Machleidt T, Friedman Ohana R. Luciferase Calibrants Enable Absolute Quantitation of Bioluminescence Power. ACS MEASUREMENT SCIENCE AU 2023; 3:496-503. [PMID: 38145021 PMCID: PMC10740115 DOI: 10.1021/acsmeasuresciau.3c00036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 12/26/2023]
Abstract
Bioluminescence emitted from a luciferase-catalyzed oxidation of luciferin has been broadly utilized to report on biological events, predominantly through relative changes in the light output. Recent advances in protein engineering and synthetic chemistry have yielded bioluminescent systems with markedly improved brightness and bioavailability. These developments have enabled not only the detection of biological events at far lower expression levels but also new opportunities utilizing bioluminescence to power photochemistry in cells. Regardless of the application, bioluminescence analyses have leaned heavily on the use of luminometers to measure the light output of a system. Current luminometers report the light output of a sample in relative units, limiting the ability to compare data between instruments and preventing the absolute power of a bioluminescent system from being quantified. Luminescent solution calibrants comprising luciferases and their cognate luciferins that have been characterized for absolute light output would enable calibration of any given luminometer for absolute photon counting. To this end, we have built a custom light detection apparatus and used it alongside wavelength-matched LED light sources emitting at 450 and 561 nm to characterize the absolute power of a series of NanoLuc and firefly luciferase solutions, respectively. This approach revealed that these two common luciferases produce 3.72 × 10-18 and 7.25 × 10-20 watts/molecule, respectively. Components of these luminescent solution calibrants are commercially available and produce stable bioluminescent signals over 2-5 min, enabling any luminometer to be calibrated for power measurements of bioluminescence emitted by these two luciferases in units of watts or photons per second.
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Affiliation(s)
- Mark A. Klein
- Promega Corporation, Madison, Wisconsin 53711, United States
| | - Sergey Lazarev
- Promega Corporation, Madison, Wisconsin 53711, United States
| | - Charles Gervasi
- Promega Corporation, Madison, Wisconsin 53711, United States
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8
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Boyang H, Yangyanqiu W, Wenting R, Chenxin Y, Jian C, Zhanbo Q, Yanjun Y, Qiang Y, Shuwen H. Application and progress of highcontent imaging in molecular biology. Biotechnol J 2023; 18:e2300170. [PMID: 37639283 DOI: 10.1002/biot.202300170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 08/03/2023] [Accepted: 08/22/2023] [Indexed: 08/29/2023]
Abstract
Humans have adopted many different methods to explore matter imaging, among which high content imaging (HCI) could conduct automated imaging analysis of cells while maintaining its structural and functional integrity. Meanwhile, as one of the most important research tools for diagnosing human diseases, HCI is widely used in the frontier of medical research, and its future application has attracted researchers' great interests. Here, the meaning of HCI was briefly explained, the history of optical imaging and the birth of HCI were described, and the experimental methods of HCI were described. Furthermore, the directions of the application of HCI were highlighted in five aspects: protein localization changes, gene identification, chemical and genetic analysis, microbiology, and drug discovery. Most importantly, some challenges and future directions of HCI were discussed, and the application and optimization of HCI were expected to be further explored.
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Affiliation(s)
- Hu Boyang
- Huzhou Hospital of Zhejiang University, Affiliated Central Hospital Huzhou University, Huzhou, China
| | - Wang Yangyanqiu
- Huzhou Hospital of Zhejiang University, Affiliated Central Hospital Huzhou University, Huzhou, China
| | - Rui Wenting
- Huzhou Hospital of Zhejiang University, Affiliated Central Hospital Huzhou University, Huzhou, China
| | - Yan Chenxin
- Shulan International Medical School, Zhejiang Shuren University, Hangzhou, China
| | - Chu Jian
- Fifth Affiliated Clinical Medical College of Zhejiang Chinese Medical University, Huzhou Central Hospital, Huzhou, China
| | - Qu Zhanbo
- Fifth Affiliated Clinical Medical College of Zhejiang Chinese Medical University, Huzhou Central Hospital, Huzhou, China
| | - Yao Yanjun
- Huzhou Hospital of Zhejiang University, Affiliated Central Hospital Huzhou University, Huzhou, China
| | - Yan Qiang
- Huzhou Hospital of Zhejiang University, Affiliated Central Hospital Huzhou University, Huzhou, China
| | - Han Shuwen
- Huzhou Hospital of Zhejiang University, Affiliated Central Hospital Huzhou University, Huzhou, China
- Key Laboratory of Multiomics Research and Clinical Transformation of Digestive Cancer of Huzhou, Huzhou, China
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9
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Kim SB, Paulmurugan R, Kitada N, Maki SA. Single-chain multicolor-reporter templates for subcellular localization of molecular events in mammalian cells. RSC Chem Biol 2023; 4:1043-1049. [PMID: 38033721 PMCID: PMC10685814 DOI: 10.1039/d3cb00077j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/25/2023] [Indexed: 12/02/2023] Open
Abstract
Single-chain multicolor-reporter imaging templates were developed for the subcellular localization of molecular events in mammalian cells. The templates were constructed by tandem linkage of fluorescent protein variants - fused with luciferases and the subcellular localization signal peptides. The templates simultaneously reported steroid hormonal activities at different optical spectra in the subcellular compartments. The templates contribute to the expansion of a toolbox of optical probes for subcellular localization of molecular events in intact cells.
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Affiliation(s)
- Sung-Bae Kim
- Environmental Management Research Institute, National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba 305-8569 Japan
| | - Ramasamy Paulmurugan
- Molecular Imaging Program at Stanford, Bio-X Program, Stanford University School of Medicine Palo Alto California 94304 USA
| | - Nobuo Kitada
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications Chofu 182-8585 Japan
| | - Sojiro A Maki
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications Chofu 182-8585 Japan
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10
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Araújo-Gomes N, Zambito G, Johnbosco C, Calejo I, Leijten J, Löwik C, Karperien M, Mezzanotte L, Teixeira LM. Bioluminescence imaging on-chip platforms for non-invasive high-content bioimaging. Biosens Bioelectron 2023; 237:115510. [PMID: 37442028 DOI: 10.1016/j.bios.2023.115510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 06/09/2023] [Accepted: 07/01/2023] [Indexed: 07/15/2023]
Abstract
Incorporating non-invasive biosensing features in organ-on-chip models is of paramount importance for a wider implementation of these advanced in vitro microfluidic platforms. Optical biosensors, based on Bioluminescence Imaging (BLI), enable continuous, non-invasive, and in-situ imaging of cells, tissues or miniaturized organs without the drawbacks of conventional fluorescence imaging. Here, we report the first-of-its-kind integration and optimization of BLI in microfluidic chips, for non-invasive imaging of multiple biological readouts. The cell line HEK293T-GFP was engineered to express NanoLuc® luciferase under the control of a constitutive promoter and were cultured on-chip in 3D, in standard ECM-like hydrogels, to assess optimal cell detection conditions. Using real-time in-vitro dual-color microscopy, Bioluminescence (BL) and fluorescence (FL) were detectable using distinct imaging setups. Detection of the bioluminescent signals were observed at single cell resolution on-chip 20 min post-addition of Furimazine substrate and under perfusion. All hydrogels enabled BLI with higher signal-to-noise ratios as compared to fluorescence. For instance, agarose gels showed a ∼5-fold greater BL signal over background after injection of the substrate as compared to the FL signal. The use of BLI with microfluidic chip technologies opens up the potential for simultaneous in situ detection with continuous monitoring of multicolor cell reporters. Moreover, this can be achieved in a non-invasive manner. BL has great promise as a highly desirable biosensor for studying organ-on-chip platforms.
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Affiliation(s)
- Nuno Araújo-Gomes
- Department of Developmental Bioengineering, Technical Medical Centre, University of Twente, Enschede, the Netherlands
| | - Giorgia Zambito
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Molecular Genetics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Castro Johnbosco
- Department of Developmental Bioengineering, Technical Medical Centre, University of Twente, Enschede, the Netherlands
| | - Isabel Calejo
- Department of Developmental Bioengineering, Technical Medical Centre, University of Twente, Enschede, the Netherlands
| | - Jeroen Leijten
- Department of Developmental Bioengineering, Technical Medical Centre, University of Twente, Enschede, the Netherlands
| | - Clemens Löwik
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Molecular Genetics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Marcel Karperien
- Department of Developmental Bioengineering, Technical Medical Centre, University of Twente, Enschede, the Netherlands
| | - Laura Mezzanotte
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Molecular Genetics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands.
| | - Liliana Moreira Teixeira
- Department of Advanced Organ Bioengineering and Therapeutics, University of Twente, Enschede, the Netherlands.
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11
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Xiong M, Wu Y, Kong G, Lewis W, Yang Z, Zhang H, Xu L, Liu Y, Liu Q, Zhao X, Zhang XB, Lu Y. A Semisynthetic Bioluminescence Sensor for Ratiometric Imaging of Metal Ions In Vivo Using DNAzymes Conjugated to An Engineered Nano-Luciferase. Angew Chem Int Ed Engl 2023; 62:e202308086. [PMID: 37548922 PMCID: PMC10527972 DOI: 10.1002/anie.202308086] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Indexed: 08/08/2023]
Abstract
DNA-based probes have gained significant attention as versatile tools for biochemical analysis, benefiting from their programmability and biocompatibility. However, most existing DNA-based probes rely on fluorescence as the signal output, which can be problematic due to issues like autofluorescence and scattering when applied in complex biological materials such as living cells or tissues. Herein, we report the development of bioluminescent nucleic acid (bioLUNA) sensors that offer laser excitation-independent and ratiometric imaging of the target in vivo. The system is based on computational modelling and mutagenesis investigations of a genetic fusion between circular permutated Nano-luciferase (NLuc) and HaloTag, enabling the conjugation of the protein with a DNAzyme. In the presence of Zn2+ , the DNAzyme sensor releases the fluorophore-labelled strand, leading to a reduction in bioluminescent resonance energy transfer (BRET) between the luciferase and fluorophore. Consequently, this process induces ratiometric changes in the bioluminescent signal. We demonstrated that this bioLUNA sensor enabled imaging of both exogenous Zn2+ in vivo and endogenous Zn2+ efflux in normal epithelial prostate and prostate tumors. This work expands the DNAzyme sensors to using bioluminescence and thus has enriched the toolbox of nucleic acid sensors for a broad range of biomedical applications.
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Affiliation(s)
- Mengyi Xiong
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, Hunan, P. R. China
| | - Yuting Wu
- Department of Chemistry, University of Texas at Austin, 78712, Austin, TX, USA
| | - Gezhi Kong
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, Hunan, P. R. China
| | - Whitney Lewis
- Department of Chemistry, University of Texas at Austin, 78712, Austin, TX, USA
| | - Zhenglin Yang
- Department of Chemistry, University of Texas at Austin, 78712, Austin, TX, USA
| | - Hanxiao Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, 030001, Taiyuan, Shanxi, P. R. China
| | - Li Xu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, Hunan, P. R. China
| | - Ying Liu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, Hunan, P. R. China
| | - Qin Liu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, Hunan, P. R. China
| | - Xuhua Zhao
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, 030001, Taiyuan, Shanxi, P. R. China
| | - Xiao-Bing Zhang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, Hunan, P. R. China
| | - Yi Lu
- Department of Chemistry, University of Texas at Austin, 78712, Austin, TX, USA
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12
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Yadav AK, Chan J. Activity-based bioluminescence probes for in vivo sensing applications. Curr Opin Chem Biol 2023; 74:102310. [PMID: 37119771 PMCID: PMC10225331 DOI: 10.1016/j.cbpa.2023.102310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/17/2023] [Accepted: 03/28/2023] [Indexed: 05/01/2023]
Abstract
Bioluminescence imaging is a highly sensitive technique commonly used for various in vivo applications. Recent efforts to expand the utility of this modality have led to the development of a suite of activity-based sensing (ABS) probes for bioluminescence imaging by 'caging' of luciferin and its structural analogs. The ability to selectively detect a given biomarker has presented researchers with many exciting opportunities to study both health and disease states in animal models. Here, we highlight recent (2021-2023) bioluminescence-based ABS probes with an emphasis on probe design and in vivo validation experiments.
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Affiliation(s)
- Anuj K Yadav
- Department of Chemistry, Beckman Institute for Advanced Science and Technology, and Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Jefferson Chan
- Department of Chemistry, Beckman Institute for Advanced Science and Technology, and Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.
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13
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Shi X, Won M, Tang C, Ding Q, Sharma A, Wang F, Kim JS. RNA splicing based on reporter genes system: Detection, imaging and applications. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Practical Guidance for Developing Small-Molecule Optical Probes for In Vivo Imaging. Mol Imaging Biol 2023; 25:240-264. [PMID: 36745354 DOI: 10.1007/s11307-023-01800-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 12/31/2022] [Accepted: 01/05/2023] [Indexed: 02/07/2023]
Abstract
The WMIS Education Committee (2019-2022) reached a consensus that white papers on molecular imaging could be beneficial for practitioners of molecular imaging at their early career stages and other scientists who are interested in molecular imaging. With this consensus, the committee plans to publish a series of white papers on topics related to the daily practice of molecular imaging. In this white paper, we aim to provide practical guidance that could be helpful for optical molecular imaging, particularly for small molecule probe development and validation in vitro and in vivo. The focus of this paper is preclinical animal studies with small-molecule optical probes. Near-infrared fluorescence imaging, bioluminescence imaging, chemiluminescence imaging, image-guided surgery, and Cerenkov luminescence imaging are discussed in this white paper.
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15
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Freidel L, Li S, Choffart A, Kuebler L, Martins AF. Imaging Techniques in Pharmacological Precision Medicine. Handb Exp Pharmacol 2023; 280:213-235. [PMID: 36907970 DOI: 10.1007/164_2023_641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
Biomedical imaging is a powerful tool for medical diagnostics and personalized medicines. Examples of commonly used imaging modalities include Positron Emission Tomography (PET), Ultrasound (US), Single Photon Emission Computed Tomography (SPECT), and hybrid imaging. By combining these modalities, scientists can gain a comprehensive view and better understand physiology and pathology at the preclinical, clinical, and multiscale levels. This can aid in the accuracy of medical diagnoses and treatment decisions. Moreover, biomedical imaging allows for evaluating the metabolic, functional, and structural details of living tissues. This can be particularly useful for the early diagnosis of diseases such as cancer and for the application of personalized medicines. In the case of hybrid imaging, two or more modalities are combined to produce a high-resolution image with enhanced sensitivity and specificity. This can significantly improve the accuracy of diagnosis and offer more detailed treatment plans. In this book chapter, we showcase how continued advancements in biomedical imaging technology can potentially revolutionize medical diagnostics and personalized medicine.
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Affiliation(s)
- Lucas Freidel
- Department of Preclinical Imaging and Radiopharmacy, Werner Siemens Imaging Center, University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies," University of Tübingen, Tübingen, Germany
| | - Sixing Li
- Department of Preclinical Imaging and Radiopharmacy, Werner Siemens Imaging Center, University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies," University of Tübingen, Tübingen, Germany
| | - Anais Choffart
- Department of Preclinical Imaging and Radiopharmacy, Werner Siemens Imaging Center, University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies," University of Tübingen, Tübingen, Germany
| | - Laura Kuebler
- Department of Preclinical Imaging and Radiopharmacy, Werner Siemens Imaging Center, University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies," University of Tübingen, Tübingen, Germany
- German Cancer Consortium (DKTK), Partner Site Tübingen, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - André F Martins
- Department of Preclinical Imaging and Radiopharmacy, Werner Siemens Imaging Center, University of Tübingen, Tübingen, Germany.
- Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies," University of Tübingen, Tübingen, Germany.
- German Cancer Consortium (DKTK), Partner Site Tübingen, German Cancer Research Center (DKFZ), Heidelberg, Germany.
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16
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Brennan CK, Yao Z, Ionkina AA, Rathbun CM, Sathishkumar B, Prescher JA. Multiplexed bioluminescence imaging with a substrate unmixing platform. Cell Chem Biol 2022; 29:1649-1660.e4. [PMID: 36283402 PMCID: PMC9675729 DOI: 10.1016/j.chembiol.2022.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 08/31/2022] [Accepted: 09/30/2022] [Indexed: 01/31/2023]
Abstract
Bioluminescent tools can illuminate cellular features in whole organisms. Multi-component tracking remains challenging, though, owing to a lack of well-resolved probes and long imaging times. To address the need for more rapid, quantitative, and multiplexed bioluminescent readouts, we developed an analysis pipeline featuring sequential substrate administration and serial image acquisition. Light output from each luciferin is layered on top of the previous image, with minimal delay between substrate delivery. A MATLAB algorithm was written to analyze bioluminescent images generated from the rapid imaging protocol and deconvolute (i.e., unmix) signals from luciferase-luciferin pairs. Mixtures comprising three to five luciferase reporters were readily distinguished in under 50 min; this same experiment would require days using conventional workflows. We further showed that the algorithm can be used to accurately quantify luciferase levels in heterogeneous mixtures. Based on its speed and versatility, the multiplexed imaging platform will expand the scope of bioluminescence technology.
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Affiliation(s)
- Caroline K Brennan
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Zi Yao
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Anastasia A Ionkina
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Colin M Rathbun
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | | | - Jennifer A Prescher
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA; Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA 92697, USA; Department of Pharmaceutical Sciences, University of California, Irvine, Irvine, CA 92697, USA.
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17
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Huang H, Yue L, Chen Z, Li H, Lin W. Elevated hypochlorous acid levels in asthmatic mice were disclosed by a near-infrared fluorescence probe. Anal Chim Acta 2022; 1232:340480. [DOI: 10.1016/j.aca.2022.340480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 11/28/2022]
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18
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Karimi E, Nikkhah M, Hosseinkhani S. Label-Free and Bioluminescence-Based Nano-Biosensor for ATP Detection. BIOSENSORS 2022; 12:918. [PMID: 36354427 PMCID: PMC9687858 DOI: 10.3390/bios12110918] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
A bioluminescence-based assay for ATP can measure cell viability. Higher ATP concentration indicates a higher number of living cells. Thus, it is necessary to design an ATP sensor that is low-cost and easy to use. Gold nanoparticles provide excellent biocompatibility for enzyme immobilization. We investigated the effect of luciferase proximity with citrate-coated gold, silver, and gold-silver core-shell nanoparticles, gold nanorods, and BSA-Au nanoclusters. The effect of metal nanoparticles on the activity of luciferases was recorded by the luminescence assay, which was 3-5 times higher than free enzyme. The results showed that the signal stability in presence of nanoparticles improved and was reliable up to 6 h for analytes measurements. It has been suggested that energy is mutually transferred from luciferase bioluminescence spectra to metal nanoparticle surface plasmons. In addition, we herein report the 27-base DNA aptamer for adenosine-5'-triphosphate (ATP) as a suitable probe for the ATP biosensor based on firefly luciferase activity and AuNPs. Due to ATP application in the firefly luciferase reaction, the increase in luciferase activity and improved detection limits may indicate more stability or accessibility of ATP in the presence of nanoparticles. The bioluminescence intensity increased with the ATP concentration up to 600 µM with a detection limit of 5 µM for ATP.
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19
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A bioluminescent-based probe for in vivo non-invasive monitoring of nicotinamide riboside uptake reveals a link between metastasis and NAD+ metabolism. Biosens Bioelectron 2022; 220:114826. [DOI: 10.1016/j.bios.2022.114826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 10/10/2022] [Accepted: 10/16/2022] [Indexed: 02/03/2023]
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20
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Xiong Y, Zhang Y, Li Z, Reza MS, Li X, Tian X, Ai HW. Engineered Amber-Emitting Nano Luciferase and Its Use for Immunobioluminescence Imaging In Vivo. J Am Chem Soc 2022; 144:14101-14111. [PMID: 35913786 PMCID: PMC9425369 DOI: 10.1021/jacs.2c02320] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The NanoLuc luciferase (NLuc) and its furimazine (FRZ) substrate have revolutionized bioluminescence (BL) assays and imaging. However, the use of the NLuc-FRZ luciferase-luciferin pair for mammalian tissue imaging is hindered by the low tissue penetration of the emitting blue photons. Here, we present the development of an NLuc mutant, QLuc, which catalyzes the oxidation of a synthetic QTZ luciferin for bright and red-shifted emission peaking at ∼585 nm. Compared to other small single-domain NLuc mutants, this amber-light-emitting luciferase exhibited improved performance for imaging deep-tissue targets in live mice. Leveraging this novel bioluminescent reporter, we further pursued in vivo immunobioluminescence imaging (immunoBLI), which used a fusion protein of a single-chain variable antibody fragment (scFv) and QLuc for molecular imaging of tumor-associated antigens in a xenograft mouse model. As one of the most red-shifted NLuc variants, we expect QLuc to find broad applications in noninvasive mammalian imaging. Moreover, the immunoBLI method complements immunofluorescence imaging and immuno-positron emission tomography (immunoPET), serving as a convenient and nonradioactive molecular imaging tool for animal models in basic and preclinical research.
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Affiliation(s)
- Ying Xiong
- Department of Molecular Physiology and Biological Physics, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
- Center for Membrane and Cell Physiology, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
| | - Yiyu Zhang
- Department of Molecular Physiology and Biological Physics, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
- Center for Membrane and Cell Physiology, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
| | - Zefan Li
- Department of Molecular Physiology and Biological Physics, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
- Center for Membrane and Cell Physiology, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
| | - Md Shamim Reza
- Department of Molecular Physiology and Biological Physics, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
- Center for Membrane and Cell Physiology, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
| | - Xinyu Li
- Department of Molecular Physiology and Biological Physics, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
- Center for Membrane and Cell Physiology, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
| | - Xiaodong Tian
- Department of Molecular Physiology and Biological Physics, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
- Center for Membrane and Cell Physiology, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
| | - Hui-wang Ai
- Department of Molecular Physiology and Biological Physics, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
- Center for Membrane and Cell Physiology, School of Medicine, University of Virginia, Charlottesville, VA, 22908, USA
- The UVA Comprehensive Cancer Center, University of Virginia, Charlottesville, VA, 22908, USA
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21
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Tian X, Zhang Y, Li X, Xiong Y, Wu T, Ai HW. A luciferase prosubstrate and a red bioluminescent calcium indicator for imaging neuronal activity in mice. Nat Commun 2022; 13:3967. [PMID: 35803917 PMCID: PMC9270435 DOI: 10.1038/s41467-022-31673-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 06/28/2022] [Indexed: 01/25/2023] Open
Abstract
Although fluorescent indicators have been broadly utilized for monitoring bioactivities, fluorescence imaging, when applied to mammals, is limited to superficial targets or requires invasive surgical procedures. Thus, there is emerging interest in developing bioluminescent indicators for noninvasive mammalian imaging. Bioluminescence imaging (BLI) of neuronal activity is highly desired but hindered by insufficient photons needed to digitalize fast brain activities. In this work, we develop a luciferase prosubstrate deliverable at an increased dose and activated in vivo by nonspecific esterase. We further engineer a bright, bioluminescent indicator with robust responsiveness to calcium ions (Ca2+) and appreciable emission above 600 nm. Integration of these advantageous components enables the imaging of the activity of neuronal ensembles in awake mice minimally invasively with excellent signal-to-background and subsecond temporal resolution. This study thus establishes a paradigm for studying brain function in health and disease.
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Affiliation(s)
- Xiaodong Tian
- grid.27755.320000 0000 9136 933XDepartment of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908 USA ,grid.27755.320000 0000 9136 933XCenter for Membrane and Cell Physiology, University of Virginia, Charlottesville, VA 22908 USA
| | - Yiyu Zhang
- grid.27755.320000 0000 9136 933XDepartment of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908 USA ,grid.27755.320000 0000 9136 933XCenter for Membrane and Cell Physiology, University of Virginia, Charlottesville, VA 22908 USA
| | - Xinyu Li
- grid.27755.320000 0000 9136 933XDepartment of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908 USA ,grid.27755.320000 0000 9136 933XCenter for Membrane and Cell Physiology, University of Virginia, Charlottesville, VA 22908 USA ,grid.411643.50000 0004 1761 0411Present Address: State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Ying Xiong
- grid.27755.320000 0000 9136 933XDepartment of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908 USA ,grid.27755.320000 0000 9136 933XCenter for Membrane and Cell Physiology, University of Virginia, Charlottesville, VA 22908 USA
| | - Tianchen Wu
- grid.27755.320000 0000 9136 933XDepartment of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908 USA ,grid.27755.320000 0000 9136 933XCenter for Membrane and Cell Physiology, University of Virginia, Charlottesville, VA 22908 USA
| | - Hui-Wang Ai
- grid.27755.320000 0000 9136 933XDepartment of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908 USA ,grid.27755.320000 0000 9136 933XCenter for Membrane and Cell Physiology, University of Virginia, Charlottesville, VA 22908 USA ,grid.27755.320000 0000 9136 933XThe UVA Comprehensive Cancer Center, University of Virginia, Charlottesville, VA 22908 USA
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22
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Multiplexed bioluminescence microscopy via phasor analysis. Nat Methods 2022; 19:893-898. [PMID: 35739310 DOI: 10.1038/s41592-022-01529-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 05/18/2022] [Indexed: 12/19/2022]
Abstract
Bioluminescence imaging with luciferase-luciferin pairs is a well-established technique for visualizing biological processes across tissues and whole organisms. Applications at the microscale, by contrast, have been hindered by a lack of detection platforms and easily resolved probes. We addressed this limitation by combining bioluminescence with phasor analysis, a method commonly used to distinguish spectrally similar fluorophores. We built a camera-based microscope equipped with special optical filters to directly assign phasor locations to unique luciferase-luciferin pairs. Six bioluminescent reporters were easily resolved in live cells, and the readouts were quantitative and instantaneous. Multiplexed imaging was also performed over extended time periods. Bioluminescent phasor further provided direct measures of resonance energy transfer in single cells, setting the stage for dynamic measures of cellular and molecular features. The merger of bioluminescence with phasor analysis fills a long-standing void in imaging capabilities, and will bolster future efforts to visualize biological events in real time and over multiple length scales.
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23
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Effect of excited state inter- or intra-proton transfers on the fluorescence behaviors of firefly fluorescein analogues. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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24
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Yadav AK, Lee MC, Lucero MY, Su S, Reinhardt CJ, Chan J. Activity-Based NIR Bioluminescence Probe Enables Discovery of Diet-Induced Modulation of the Tumor Microenvironment via Nitric Oxide. ACS CENTRAL SCIENCE 2022; 8:461-472. [PMID: 35505872 PMCID: PMC9052803 DOI: 10.1021/acscentsci.1c00317] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Indexed: 05/15/2023]
Abstract
Nitric oxide (NO) plays a critical role in acute and chronic inflammation. NO's contributions to cancer are of particular interest due to its context-dependent bioactivities. For example, immune cells initially produce cytotoxic quantities of NO in response to the nascent tumor. However, it is believed that this fades over time and reaches a concentration that supports the tumor microenvironment (TME). These complex dynamics are further complicated by other factors, such as diet and oxygenation, making it challenging to establish a complete picture of NO's impact on tumor progression. Although many activity-based sensing (ABS) probes for NO have been developed, only a small fraction have been employed in vivo, and fewer yet are practical in cancer models where the NO concentration is <200 nM. To overcome this outstanding challenge, we have developed BL660-NO, the first ABS probe for NIR bioluminescence imaging of NO in cancer. Owing to the low intrinsic background, high sensitivity, and deep tissue imaging capabilities of our design, BL660-NO was successfully employed to visualize endogenous NO in cellular systems, a human liver metastasis model, and a murine breast cancer model. Importantly, its exceptional performance facilitated two dietary studies which examine the impact of fat intake on NO and the TME. BL660-NO provides the first direct molecular evidence that intratumoral NO becomes elevated in mice fed a high-fat diet, which became obese with larger tumors, compared to control animals on a low-fat diet. These results indicate that an inflammatory diet can increase NO production via recruitment of macrophages and overexpression of inducible nitric oxide synthase which in turn can drive tumor progression.
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25
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Muir RK, Guerra M, Bogyo MM. Activity-Based Diagnostics: Recent Advances in the Development of Probes for Use with Diverse Detection Modalities. ACS Chem Biol 2022; 17:281-291. [PMID: 35026106 DOI: 10.1021/acschembio.1c00753] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Abnormal enzyme expression and activity is a hallmark of many diseases. Activity-based diagnostics are a class of chemical probes that aim to leverage this dysregulated metabolic signature to produce a detectable signal specific to diseased tissue. In this Review, we highlight recent methodologies employed in activity-based diagnostics that provide exquisite signal sensitivity and specificity in complex biological systems for multiple disease states. We divide these examples based upon their unique signal readout modalities and highlight those that have advanced into clinical trials.
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Affiliation(s)
- Ryan K. Muir
- Department of Pathology and Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Matteo Guerra
- Department of Pathology and Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Matthew M. Bogyo
- Department of Pathology and Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, United States
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26
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Jutras PV, Dodds I, van der Hoorn RAL. A Bioluminescent Agrobacterium tumefaciens for Imaging Bacterial Metabolic Activity in Planta. Methods Mol Biol 2022; 2480:285-293. [PMID: 35616868 DOI: 10.1007/978-1-0716-2241-4_15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Bioluminescence enables the monitoring of spatiotemporal dynamics and activity of bacterial populations in planta. We here describe a procedure to use AgroLux, a bioluminescent Agrobacterium tumefaciens, as a tool to study bacterial responses upon agroinfiltration. The first method details how to transform bioluminescent AgroLux to carry binary plasmids of interests. Then, a simple agroinfiltration assay for in planta imaging of bioluminescence signals is presented. AgroLux assays will increase our understanding of plant-Agrobacterium interactions and plant immunity and improve molecular farming.
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Affiliation(s)
- Philippe V Jutras
- Plant Chemetics Lab, Department of Plant Sciences, University of Oxford, Oxford, UK
| | - Isobel Dodds
- Plant Chemetics Lab, Department of Plant Sciences, University of Oxford, Oxford, UK
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27
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Alhomoud M, Martinet J, Sugita M, Gomez-Arteaga A, Guzman ML. Methods to monitor in vivo expansion and efficacy of CAR-T cells in preclinical models. Methods Cell Biol 2022; 167:185-201. [DOI: 10.1016/bs.mcb.2021.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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28
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Sato K. Bioluminescence Imaging for Evaluation of Antitumor Effect In Vitro and In Vivo in Mice Xenografted Tumor Models. Methods Mol Biol 2022; 2524:307-315. [PMID: 35821482 DOI: 10.1007/978-1-0716-2453-1_24] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Bioluminescence imaging (BLI) enables real-time imaging in vitro and in vivo; it is widely used in laboratories. In vitro, the bioluminescence is commonly used as a reporter for the transfection. In vivo, BLI is employed to evaluate cell expression, migration, and proliferation inside animal bodies and visualize specific cells in various fields. Here, this chapter introduces BLI protocols for assaying the efficacy of in vivo BLI in monitoring cancer treatment using mice orthotopic models.
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Affiliation(s)
- Kazuhide Sato
- Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan.
- Nagoya University Institute for Advanced Research, B3-Unit, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), S-YLC, Nagoya, Japan.
- FOREST-Souhatsu, CREST, JST, Nagoya, Japan.
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29
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Moreira Teixeira L, Mezzanotte L. New bioimaging avenues for organs‐on‐chips by integration of bioluminescence. VIEW 2021. [DOI: 10.1002/viw.20200177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Affiliation(s)
- Liliana Moreira Teixeira
- Department of Developmental Bioengineering Technical Medical Centre University of Twente Enschede The Netherlands
| | - Laura Mezzanotte
- Department of Radiology and Nuclear Medicine Erasmus Medical Center Rotterdam The Netherlands
- Department of Molecular Genetics Erasmus Medical Center Rotterdam The Netherlands
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30
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Abstract
Optical imaging is an indispensable tool in clinical diagnostics and fundamental biomedical research. Autofluorescence-free optical imaging, which eliminates real-time optical excitation to minimize background noise, enables clear visualization of biological architecture and physiopathological events deep within living subjects. Molecular probes especially developed for autofluorescence-free optical imaging have been proven to remarkably improve the imaging sensitivity, penetration depth, target specificity, and multiplexing capability. In this Review, we focus on the advancements of autofluorescence-free molecular probes through the lens of particular molecular or photophysical mechanisms that produce long-lasting luminescence after the cessation of light excitation. The versatile design strategies of these molecular probes are discussed along with a broad range of biological applications. Finally, challenges and perspectives are discussed to further advance the next-generation autofluorescence-free molecular probes for in vivo imaging and in vitro biosensors.
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Affiliation(s)
- Yuyan Jiang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457, Singapore
| | - Kanyi Pu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457, Singapore.,School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
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31
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Liu J, Xu N, Wang X, Wang Y, Wu Q, Li X, Pan D, Wang L, Xu Y, Yan J, Li X, Yu L, Yang M. Quantitative radio-thin-layer chromatography and positron emission tomography studies for measuring streptavidin transduced chimeric antigen receptor T cells. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1182:122944. [PMID: 34592686 DOI: 10.1016/j.jchromb.2021.122944] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/13/2021] [Accepted: 09/15/2021] [Indexed: 11/20/2022]
Abstract
The proliferation of chimeric antigen receptor (CAR) T cells is closely related to their efficacy, but it is still a great challenge to monitor and quantify CAR T cells in vivo. Based on the high affinity (Kd ≈ 10-15 M) of streptavidin (SA) and biotin, radiolabeled biotin may be used to quantify SA-transduced CAR T cells (SA-CAR T cells). Radio-thin-layer chromatography (radio-TLC) and positron emission tomography (PET) are highly sensitive for trace analysis. Our aim was to develop radio-TLC and PET methods to quantify SA-CAR T cells in vitro and in vivo. First, we developed [68Ga]-DOTA-biotin. Commercially available SA was used as a standard, and quantitative standard curves were established in vitro and in vivo by radio-TLC and PET. Furthermore, the feasibility of the method was verified in Raji model mice. The linear range of radio-TLC was 0.02 ∼ 0.15 pmol/μL with R2 = 0.9993 in vitro. The linear range of PET was 0.02 ∼ 0.76 pmol/μL with R2 = 0.9986 in vivo. SA in CAR T cells can also be accurately quantified in a Raji leukemia model according to PET imaging. The radio-TLC/PET method established in this study is promising for using in the dynamic monitoring and analysis of SA-CAR T cells during therapy.
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Affiliation(s)
- Jingjing Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Nan Xu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai Unicar-Therapy Bio-medicine Technology Co., Ltd., Shanghai 200062, China
| | - Xinyu Wang
- Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Yan Wang
- Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Qiong Wu
- Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Xinxin Li
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Donghui Pan
- Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Lizhen Wang
- Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Yuping Xu
- Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Junjie Yan
- Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Xiaotian Li
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Lei Yu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai Unicar-Therapy Bio-medicine Technology Co., Ltd., Shanghai 200062, China
| | - Min Yang
- Molecular Imaging Center, NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
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32
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Lu F, Pan X, Zhang W, Su X, Gu Y, Qiu H, Shen S, Liu C, Liu W, Wang X, Zhan Z, Liu Z, He Z. A Three-Dimensional Imaging Method for the Quantification and Localization of Dynamic Cell Tracking Posttransplantation. Front Cell Dev Biol 2021; 9:698795. [PMID: 34557483 PMCID: PMC8452970 DOI: 10.3389/fcell.2021.698795] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 08/03/2021] [Indexed: 11/13/2022] Open
Abstract
Cell transplantation has been proposed as a promising therapeutic strategy for curing the diseases requiring tissue repairing and functional restoration. A preclinical method to systematically evaluate the fates of donor cells in recipients, spatially and temporally, is demanded for judging therapeutic potentials for the particularly designed cell transplantation. Yet, the dynamic cell tracking methodology for tracing transplanted cells in vivo is still at its early phase. Here, we created a practical protocol for dynamically tracking cell via a three-dimensional (3D) technique which enabled us to localize, quantify, and overall evaluate the transplanted hepatocytes within a liver failure mouse model. First, the capacity of 3D bioluminescence imaging for quantifying transplanted hepatocytes was defined. Images obtained from the 3D bioluminescence imaging module were then combined with the CT scanner to reconstruct structure images of host mice. With those reconstructed images, precise locations of transplanted hepatocytes in the liver of the recipient were dynamically monitored. Immunohistochemistry staining of transplanted cells, and the serology assay of liver panel of the host mice were applied to verify the successful engraftment of donor cells in the host livers. Our protocol was practical for evaluating the engraftment efficiency of donor cells at their preclinical phases, which is also applicable as a referable standard for studying the fates of other transplanted cells, such as stem cell-derived cell types, during preclinical studies with cell transplantation therapy.
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Affiliation(s)
- Fengfeng Lu
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China.,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Xin Pan
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China.,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Wencheng Zhang
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China.,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Xin Su
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China.,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Yuying Gu
- Department of Cardiology, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Hua Qiu
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Shengwei Shen
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Department of Hepatobiliary and Pancreatic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Changcheng Liu
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China.,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Wei Liu
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China.,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Xicheng Wang
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China.,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Zhenzhen Zhan
- Institute of Heart Failure, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Zhongmin Liu
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China.,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China.,Institute of Heart Failure, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Zhiying He
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China.,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
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33
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Lyons SK, Plenker D, Trotman LC. Advances in preclinical evaluation of experimental antibody-drug conjugates. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2021; 4:745-754. [PMID: 34532655 PMCID: PMC8443155 DOI: 10.20517/cdr.2021.37] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The ability to chemically modify monoclonal antibodies with the attachment of specific functional groups has opened up an enormous range of possibilities for the targeted treatment and diagnosis of cancer in the clinic. As the number of such antibody-based drug candidates has increased, so too has the need for more stringent and robust preclinical evaluation of their in vivo performance to maximize the likelihood that time, research effort, and money are only spent developing the most effective and promising candidate molecules for translation to the clinic. Concurrent with the development of antibody-drug conjugate (ADC) technology, several recent advances in preclinical research stand to greatly increase the experimental rigor by which promising candidate molecules can be evaluated. These include advances in preclinical tumor modeling with the development of patient-derived tumor organoid models that far better recapitulate many aspects of the human disease than conventional subcutaneous xenograft models. Such models are amenable to genetic manipulation, which will greatly improve our understanding of the relationship between ADC and antigen and stringently evaluate mechanisms of therapeutic response. Finally, tumor development is often not visible in these in vivo models. We discuss how the application of several preclinical molecular imaging techniques will greatly enhance the quality of experimental data, enabling quantitative pre- and post-treatment tumor measurements or the precise assessment of ADCs as effective diagnostics. In our opinion, when taken together, these advances in preclinical cancer research will greatly improve the identification of effective candidate ADC molecules with the best chance of clinical translation and cancer patient benefit.
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Affiliation(s)
- Scott K Lyons
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA
| | - Dennis Plenker
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA
| | - Lloyd C Trotman
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA
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34
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Yao Z, Caldwell DR, Love AC, Kolbaba-Kartchner B, Mills JH, Schnermann MJ, Prescher JA. Coumarin luciferins and mutant luciferases for robust multi-component bioluminescence imaging. Chem Sci 2021; 12:11684-11691. [PMID: 34659703 PMCID: PMC8442684 DOI: 10.1039/d1sc03114g] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 07/20/2021] [Indexed: 12/21/2022] Open
Abstract
Multi-component bioluminescence imaging requires an expanded collection of luciferase-luciferin pairs that emit far-red or near-infrared light. Toward this end, we prepared a new class of luciferins based on a red-shifted coumarin scaffold. These probes (CouLuc-1s) were accessed in a two-step sequence via direct modification of commercial dyes. The bioluminescent properties of the CouLuc-1 analogs were also characterized, and complementary luciferase enzymes were identified using a two-pronged screening strategy. The optimized enzyme-substrate pairs displayed robust photon outputs and emitted a significant portion of near-infrared light. The CouLuc-1 scaffolds are also structurally distinct from existing probes, enabling rapid multi-component imaging. Collectively, this work provides novel bioluminescent tools along with a blueprint for crafting additional fluorophore-derived probes for multiplexed imaging.
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Affiliation(s)
- Zi Yao
- Department of Chemistry, University of California Irvine CA USA
| | - Donald R Caldwell
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute Frederick MD USA
| | - Anna C Love
- Department of Chemistry, University of California Irvine CA USA
| | - Bethany Kolbaba-Kartchner
- School of Molecular Sciences, Arizona State University Tempe AZ USA
- The Biodesign Center for Molecular Design and Biomimetics, Arizona State University Tempe AZ USA
| | - Jeremy H Mills
- School of Molecular Sciences, Arizona State University Tempe AZ USA
- The Biodesign Center for Molecular Design and Biomimetics, Arizona State University Tempe AZ USA
| | - Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute Frederick MD USA
| | - Jennifer A Prescher
- Department of Chemistry, University of California Irvine CA USA
- Department of Molecular Biology & Biochemistry, University of California Irvine CA USA
- Department of Pharmaceutical Sciences, University of California Irvine CA USA
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35
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Ikeda Y, Orioka M, Nomoto T, Hiruta Y, Nishiyama N, Citterio D. Differential Effect of Azetidine Substitution in Firefly Luciferin Analogues. Chembiochem 2021; 22:3067-3074. [PMID: 34402160 DOI: 10.1002/cbic.202100310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/15/2021] [Indexed: 11/08/2022]
Abstract
Replacing an N,N-dimethylamino group in a classical fluorophore with a four membered azetidine ring provides an improved luminescence quantum yield. Herein, we extended this strategy to bioluminescent firefly luciferin analogues and evaluated its general validity. For this purpose, four types of luciferin cores were employed, and a total of eight analogues were evaluated. Among these analogues, unexpectedly, only the benzothiazole core analogue benefited from an azetidine substitution and showed enhanced bioluminescence. In addition, fluorescence measurements revealed that an azetidine substitution improved the fluorescence quantum yield by 2.3-times compared to a N,N-dimethylamino group. These findings clarify the differential effects of azetidine substituents in luciferins and present one possible strategy for enhancing photon output in benzothiazole type luciferins through a synthetic approach.
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Affiliation(s)
- Yuma Ikeda
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa, 223-8522, Japan
| | - Mariko Orioka
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa, 223-8522, Japan
| | - Takahiro Nomoto
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa, 226-8503, Japan
| | - Yuki Hiruta
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa, 223-8522, Japan
| | - Nobuhiro Nishiyama
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa, 226-8503, Japan
| | - Daniel Citterio
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa, 223-8522, Japan
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36
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Brennan CK, Ornelas MY, Yao ZW, Prescher JA. Multicomponent Bioluminescence Imaging with Naphthylamino Luciferins. Chembiochem 2021; 22:2650-2654. [PMID: 34139065 DOI: 10.1002/cbic.202100202] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/05/2021] [Indexed: 11/07/2022]
Abstract
Bioluminescent tools have been used for decades to image processes in complex tissues and preclinical models. However, few distinct probes are available to probe multicellular interactions. We and others are addressing this limitation by engineering new luciferases that can selectively process synthetic luciferin analogues. In this work, we explored naphthylamino luciferins as orthogonal bioluminescent probes. Three analogues were prepared using an optimized synthetic route. The luciferins were found to be robust emitters with native luciferase in vitro and in cellulo. We further screened the analogues against libraries of luciferase mutants to identify unique enzyme-substrate pairs. The new probes can be used in conjunction with existing bioluminescent tools for multi-component imaging.
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Affiliation(s)
- Caroline K Brennan
- Department of Chemistry, University of California, Irvine, 1120 Natural Science II, Irvine, CA, 92697, USA
| | - Marya Y Ornelas
- Department of Chemistry, University of California, Irvine, 1120 Natural Science II, Irvine, CA, 92697, USA
| | - Zi W Yao
- Department of Chemistry, University of California, Irvine, 1120 Natural Science II, Irvine, CA, 92697, USA
| | - Jennifer A Prescher
- Department of Chemistry, University of California, Irvine, 1120 Natural Science II, Irvine, CA, 92697, USA.,Department of Molecular Biology and Biochemistry, University of California, Irvine, 3205 McGaugh Hall, Irvine, CA, 92697, USA.,Department of Pharmaceutical Sciences, University of California, Irvine, 101 Theory, Suite 100, Irvine, CA, 92697, USA
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37
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Rathbun CM, Ionkina AA, Yao Z, Jones KA, Porterfield WB, Prescher JA. Rapid Multicomponent Bioluminescence Imaging via Substrate Unmixing. ACS Chem Biol 2021; 16:682-690. [PMID: 33729750 DOI: 10.1021/acschembio.0c00959] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Studies of biological function demand probes that can report on processes in real time and in physiological environments. Bioluminescent tools are uniquely suited for this purpose, as they enable sensitive imaging in cells and tissues. Bioluminescent reporters can also be monitored continuously over time without detriment, as excitation light is not required. Rather, light emission derives from luciferase-luciferin reactions. Several engineered luciferases and luciferins have expanded the scope of bioluminescence imaging in recent years. Multicomponent tracking remains challenging, though, due to a lack of streamlined methods to visualize combinations of bioluminescent reporters. Conventional approaches image one luciferase at a time. Consequently, short-term changes in cell growth or gene expression cannot be easily captured. Here, we report a strategy for rapid, multiplexed imaging with a wide range of luciferases and luciferins. Sequential addition of orthogonal luciferins, followed by substrate unmixing, enabled facile detection of multiple luciferases in vitro and in vivo. Multicomponent imaging in mice was also achieved on the minutes-to-hours time scale.
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38
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Emerging tools for bioluminescence imaging. Curr Opin Chem Biol 2021; 63:86-94. [PMID: 33770744 DOI: 10.1016/j.cbpa.2021.02.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/27/2021] [Accepted: 02/15/2021] [Indexed: 02/08/2023]
Abstract
Bioluminescence (BL) relies on the enzymatic reaction between luciferase, a substrate conventionally named luciferin, and various cofactors. BL imaging has become a widely used technique to interrogate gene expression and cell fate, both in small and large animal models of research. Recent developments include the generation of improved luciferase-luciferin systems for deeper and more sensitive imaging as well as new caged luciferins to report on enzymatic activity and other intracellular functions. Here, we critically evaluate the emerging tools for BL imaging aiming to provide the reader with an updated compendium of the latest developments (2018-2020) and their notable applications.
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39
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Takakura H. Molecular Design of d-Luciferin-Based Bioluminescence and 1,2-Dioxetane-Based Chemiluminescence Substrates for Altered Output Wavelength and Detecting Various Molecules. Molecules 2021; 26:molecules26061618. [PMID: 33803935 PMCID: PMC7998607 DOI: 10.3390/molecules26061618] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/08/2021] [Accepted: 03/10/2021] [Indexed: 11/30/2022] Open
Abstract
Optical imaging including fluorescence and luminescence is the most popular method for the in vivo imaging in mice. Luminescence imaging is considered to be superior to fluorescence imaging due to the lack of both autofluorescence and the scattering of excitation light. To date, various luciferin analogs and bioluminescence probes have been developed for deep tissue and molecular imaging. Recently, chemiluminescence probes have been developed based on a 1,2-dioxetane scaffold. In this review, the accumulated findings of numerous studies and the design strategies of bioluminescence and chemiluminescence imaging reagents are summarized.
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Affiliation(s)
- Hideo Takakura
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido 060-0812, Japan
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40
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Abstract
The present state of luminol based polymers is highlighted with the challenges and the respective strategies for the advancement of this versatile class of polymers.
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Affiliation(s)
- Christina M. Geiselhart
- Soft Matter Synthesis Laboratory
- Institut für Biologische Grenzflächen 3 (IBG-3)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| | - Christopher Barner-Kowollik
- Institute for Chemical Technology and Polymer Chemistry (ITCP)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
- School of Chemistry and Physics
| | - Hatice Mutlu
- Soft Matter Synthesis Laboratory
- Institut für Biologische Grenzflächen 3 (IBG-3)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
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41
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Jacobs AH, Schelhaas S, Viel T, Waerzeggers Y, Winkeler A, Zinnhardt B, Gelovani J. Imaging of Gene and Cell-Based Therapies: Basis and Clinical Trials. Mol Imaging 2021. [DOI: 10.1016/b978-0-12-816386-3.00060-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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42
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Zhan Z, Dai Y, Li Q, Lv Y. Small molecule-based bioluminescence and chemiluminescence probes for sensing and imaging of reactive species. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116129] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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43
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Zhang BH, Wang C, Dong W, Chen X, Leng C, Luo X, Dong SL, Yin P, Zhang BX, Datta PK, Chen XP. A novel approach for monitoring TGF-β signaling in vivo in colon cancer. Carcinogenesis 2020; 42:631-639. [PMID: 33367515 DOI: 10.1093/carcin/bgaa142] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 12/14/2020] [Accepted: 12/23/2020] [Indexed: 12/11/2022] Open
Abstract
The TGF-β receptor kinase inhibitors (TRKI) have been reported to inhibit tumorigenicity in colon cancer. However, there is no direct evidence showing that these inhibitors function through inhibiting the TGF-β- mediated tumor-promoting effects in vivo. We established a TGF-β inducible reporter system by inserting a luciferase reporter gene to the vector downstream of TGF-β-inducible promoter elements, and transfected it into colon cancer cell lines. TRKIs SB431542 and LY2109761 were used to treat TGF-β inducible cells in vitro and in vivo. The luciferase activity was induced 5.24-fold by TGF-β in CT26 inducible cells, while it was marginally changed in MC38 inducible cells lacking Smad4 expression. Temporary treatment of mice with SB431542 inhibited the TGF-β pathway and TGF-β induced bioluminescence activity in vivo. Long-term treatment with LY2109761 inhibited tumorigenicity and liver metastasis in vivo in concomitant with reduced luciferase activity in the tumor. In this study, we established a model to monitor the TGF-β pathway in vivo and to compare the antitumor effects of TRKIs. Based on this novel experimental tool, we provided direct evidences that LY2109761 inhibits tumorigenicity and liver metastasis by blocking the pro-oncogenic functions of TGF-β in vivo.
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Affiliation(s)
- Bin-Hao Zhang
- Hepatic Surgery Center, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province for the Clinical Medicine Research Center of Hepatic Surgery, Wuhan, China
| | - Chao Wang
- Hepatic Surgery Center, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Dong
- Hepatic Surgery Center, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Xin Chen
- Department of Oncology, Tongji Hospital
| | - Chao Leng
- Hepatic Surgery Center, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Xin Luo
- Hepatic Surgery Center, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Shui-Lin Dong
- Hepatic Surgery Center, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Ping Yin
- Department of Epidemiology and Biostatistics School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bi-Xiang Zhang
- Hepatic Surgery Center, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Pran K Datta
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA.,Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA
| | - Xiao-Ping Chen
- Hepatic Surgery Center, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province for the Clinical Medicine Research Center of Hepatic Surgery, Wuhan, China
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44
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Kawase M, Fujioka M, Takahashi T. Activation of Protease and Luciferase Using Engineered Nostoc punctiforme PCC73102 DnaE Intein with Altered Split Position. Chembiochem 2020; 22:577-584. [PMID: 32969142 DOI: 10.1002/cbic.202000609] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/17/2020] [Indexed: 12/22/2022]
Abstract
Inteins, self-catalytic enzymes, have been widely used in the field of protein engineering and chemical biology. Here, Nostoc punctiforme PCC73102 (Npu) DnaE intein was engineered to have an altered split position. An 11-residue N-intein of DnaE in which Gly and Asp were substituted for Tyr4 and Glu5, respectively, was designed, and the active C-intein variants were acquired by a GFP fluorescence-based screening. The designed N-intein and the obtained active C-intein variants were used to construct a turn-on system for enzyme activities such as human immunodeficiency 1 protease and NanoLuc luciferase. Based on the NanoLuc-intein fusion, we developed two intein pairs, each of which is capable of reacting preferentially, by interchanging the charged amino acids on N- and C-inteins. The specific splicing reactions were easily monitored and discriminated by bioluminescence resonance energy transfer (BRET).
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Affiliation(s)
- Misaki Kawase
- Faculty of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma, 376-8515, Japan
| | - Meiko Fujioka
- Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma, 376-8515, Japan
| | - Tsuyoshi Takahashi
- Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma, 376-8515, Japan
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Dimond A, Van de Pette M, Fisher AG. Illuminating Epigenetics and Inheritance in the Immune System with Bioluminescence. Trends Immunol 2020; 41:994-1005. [PMID: 33036908 DOI: 10.1016/j.it.2020.09.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/08/2020] [Accepted: 09/08/2020] [Indexed: 12/25/2022]
Abstract
The remarkable process of light emission by living organisms has fascinated mankind for thousands of years. A recent expansion in the repertoire of catalytic luciferase enzymes, coupled with the discovery of the genes and pathways that encode different luciferin substrates, means that bioluminescence imaging (BLI) is set to revolutionize longitudinal and dynamic studies of gene control within biomedicine, including the regulation of immune responses. In this review article, we summarize recent advances in bioluminescence-based imaging approaches that promise to enlighten our understanding of in vivo gene and epigenetic control within the immune system.
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Affiliation(s)
- Andrew Dimond
- Lymphocyte Development Group, MRC London Institute of Medical Sciences, Imperial College London, Hammersmith Hospital Campus, Du Cane Road, London, W12 0NN, UK
| | - Mathew Van de Pette
- Epigenetic Mechanisms of Toxicity, MRC Toxicology Unit, University of Cambridge, Downing Street, Cambridge, CB2 3EH, UK
| | - Amanda G Fisher
- Lymphocyte Development Group, MRC London Institute of Medical Sciences, Imperial College London, Hammersmith Hospital Campus, Du Cane Road, London, W12 0NN, UK.
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Abstract
Abstract
Transition metals such as zinc, copper and iron play vital roles in maintaining physiological functions and homeostasis of living systems. Molecular imaging, including two-photon imaging (TPI), bioluminescence imaging (BLI) and photoacoustic imaging (PAI), could act as non-invasive toolkits for capturing dynamic events in living cells, tissues and whole animals. Herein, we review the recent progress in the development of molecular probes for essential transition metals and their biological applications. We emphasize the contributions of metallostasis to health and disease, and discuss the future research directions about how to harness the great potential of metal sensors.
Graphic Abstract
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47
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Abstract
Bioluminescence (BL) is an excellent optical readout platform that has great potential to be utilized in various bioassays and molecular imaging. The advantages of BL-based bioassays include the long dynamic range, minimal background, high signal-to-noise ratios, biocompatibility for use in cell-based assays, no need of external light source for excitation, simplicity in the measurement system, and versatility in the assay design. The recent intensive research in BL has greatly diversified the available luciferase-luciferin systems in the bioassay toolbox. However, the wide variety does not promise their successful utilization in various bioassays as new tools. This is mainly due to complexity and confusion with the diversity, and the unavailability of defined standards. This review is intended to provide an overview of recent basic developments and applications in BL studies, and showcases the bioanalytical utilities. We hope that this review can be used as an instant reference on BL and provides useful guidance for readers in narrowing down their potential options in their own assay designs.
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Affiliation(s)
- Sung-Bae Kim
- Research Institute for Environmental Management Technology, National Institute of Advanced Industrial Science and Technology (AIST)
| | - Ramasamy Paulmurugan
- Molecular Imaging Program at Stanford, Bio-X Program, Stanford University School of Medicine
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Love AC, Prescher JA. Seeing (and Using) the Light: Recent Developments in Bioluminescence Technology. Cell Chem Biol 2020; 27:904-920. [PMID: 32795417 PMCID: PMC7472846 DOI: 10.1016/j.chembiol.2020.07.022] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/10/2020] [Accepted: 07/24/2020] [Indexed: 02/08/2023]
Abstract
Bioluminescence has long been used to image biological processes in vivo. This technology features luciferase enzymes and luciferin small molecules that produce visible light. Bioluminescent photons can be detected in tissues and live organisms, enabling sensitive and noninvasive readouts on physiological function. Traditional applications have focused on tracking cells and gene expression patterns, but new probes are pushing the frontiers of what can be visualized. The past few years have also seen the merger of bioluminescence with optogenetic platforms. Luciferase-luciferin reactions can drive light-activatable proteins, ultimately triggering signal transduction and other downstream events. This review highlights these and other recent advances in bioluminescence technology, with an emphasis on tool development. We showcase how new luciferins and engineered luciferases are expanding the scope of optical imaging. We also highlight how bioluminescent systems are being leveraged not just for sensing-but also controlling-biological processes.
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Affiliation(s)
- Anna C Love
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Jennifer A Prescher
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA; Department of Molecular Biology & Biochemistry, University of California, Irvine, Irvine, CA 92697, USA; Department of Pharmaceutical Sciences, University of California, Irvine, Irvine, CA 92697, USA.
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Yao Z, Zhang BS, Steinhardt RC, Mills JH, Prescher JA. Multicomponent Bioluminescence Imaging with a π-Extended Luciferin. J Am Chem Soc 2020; 142:14080-14089. [PMID: 32787261 PMCID: PMC7867379 DOI: 10.1021/jacs.0c01064] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Bioluminescence imaging with luciferase-luciferin pairs is commonly used for monitoring biological processes in cells and whole organisms. Traditional bioluminescent probes are limited in scope, though, as they cannot be easily distinguished in biological environments, precluding efforts to visualize multicellular processes. Additionally, many luciferase-luciferin pairs emit light that is poorly tissue penetrant, hindering efforts to visualize targets in deep tissues. To address these issues, we synthesized a set of π-extended luciferins that were predicted to be red-shifted luminophores. The scaffolds were designed to be rotationally labile such that they produced light only when paired with luciferases capable of enforcing planarity. A luciferin comprising an intramolecular "lock" was identified as a viable light-emitting probe. Native luciferases were unable to efficiently process the analog, but a complementary luciferase was identified via Rosetta-guided enzyme design. The unique enzyme-substrate pair is red-shifted compared to well-known bioluminescent tools. The probe set is also orthogonal to other luciferase-luciferin probes and can be used for multicomponent imaging. Four substrate-resolved luciferases were imaged in a single session. Collectively, this work provides the first example of Rosetta-guided design in engineering bioluminescent tools and expands the scope of orthogonal imaging probes.
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Affiliation(s)
- Zi Yao
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Brendan S. Zhang
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Rachel C. Steinhardt
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Jeremy H. Mills
- Department of Chemistry and Biochemistry, Arizona State University, Tempe AZ, USA
- The Center for Molecular Design and Biomimetics, Arizona State University, Tempe AZ, USA
- The Biodesign Institute, Arizona State University, Tempe AZ, USA
| | - Jennifer A. Prescher
- Department of Chemistry, University of California, Irvine, California 92697, United States
- Department of Molecular Biology & Biochemistry, University of California, Irvine, California 92697, United States
- Department of Pharmaceutical Sciences, University of California, Irvine, California 92697, United States
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50
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Wang DD, Zou LW, Jin Q, Guan XQ, Yu Y, Zhu YD, Huang J, Gao P, Wang P, Ge GB, Yang L. Bioluminescent Sensor Reveals that Carboxylesterase 1A is a Novel Endoplasmic Reticulum-Derived Serologic Indicator for Hepatocyte Injury. ACS Sens 2020; 5:1987-1995. [PMID: 32529833 DOI: 10.1021/acssensors.0c00384] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Discovery of novel liver injury indicators and development of practical assays to detect target indicator(s) would strongly facilitate the diagnosis of liver disorders. Herein, an alternative biomarker discovery strategy was applied to find suitable endoplasmic reticulum-resident protein(s) as serologic indicator(s) for hepatocyte injury via analysis of the human proteome database among plasma and various organs. Both database searching and preliminary experiments suggested that human carboxylesterase 1A (CES1A), one of the most abundant and hepatic-restricted proteins, could serve as a good serologic indicator for hepatocyte injury. Then, a highly selective and practical bioluminescent sensor was developed for real-time sensing of CES1A in various biological systems including plasma. With the help of this bioluminescent sensor, the release of hepatic CES1A into the extracellular medium or the circulation system could be directly monitored. Further investigations demonstrated that serum activity levels of CES1A were elevated dramatically in mice with liver injury or patients with liver diseases. Collectively, this study provided solid evidence to support that CES1A was a novel serological indicator for hepatocyte injury. Furthermore, the strategy used in this study paved a new way for the rational discovery of practical indicators to monitor the dynamic progression of injury in a given tissue or organ.
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Affiliation(s)
- Dan-Dan Wang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Li-Wei Zou
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Qiang Jin
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xiao-Qing Guan
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yang Yu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ya-Di Zhu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jian Huang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Shanghai Institute of Food and Drug Control, Shanghai 201203, China
| | - Peng Gao
- Dalian Sixth Peoples Hospital Affiliated of Dalian Medical University, Dalian 116001, China
| | - Ping Wang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Guang-Bo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ling Yang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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