1
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He Z, Dechesne A, Schreiber F, Zhu YG, Larsson DGJ, Smets BF. Understanding Stimulation of Conjugal Gene Transfer by Nonantibiotic Compounds: How Far Are We? ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:9017-9030. [PMID: 38753980 DOI: 10.1021/acs.est.3c06060] [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: 05/18/2024]
Abstract
A myriad of nonantibiotic compounds is released into the environment, some of which may contribute to the dissemination of antimicrobial resistance by stimulating conjugation. Here, we analyzed a collection of studies to (i) identify patterns of transfer stimulation across groups and concentrations of chemicals, (ii) evaluate the strength of evidence for the proposed mechanisms behind conjugal stimulation, and (iii) examine the plausibility of alternative mechanisms. We show that stimulatory nonantibiotic compounds act at concentrations from 1/1000 to 1/10 of the minimal inhibitory concentration for the donor strain but that stimulation is always modest (less than 8-fold). The main proposed mechanisms for stimulation via the reactive oxygen species/SOS cascade and/or an increase in cell membrane permeability are not unequivocally supported by the literature. However, we identify the reactive oxygen species/SOS cascade as the most likely mechanism. This remains to be confirmed by firm molecular evidence. Such evidence and more standardized and high-throughput conjugation assays are needed to create technologies and solutions to limit the stimulation of conjugal gene transfer and contribute to mitigating global antibiotic resistance.
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Affiliation(s)
- Zhiming He
- Department of Biotechnology and Biomedicine, Technical University of Denmark, So̷ltofts Plads Building 221, 2800 Kongens Lyngby, Denmark
- Sino-Danish College (SDC) for Education and Research, University of Chinese Academy of Sciences, 8000 Aarhus C, Denmark
| | - Arnaud Dechesne
- Department of Biotechnology and Biomedicine, Technical University of Denmark, So̷ltofts Plads Building 221, 2800 Kongens Lyngby, Denmark
| | - Frank Schreiber
- Division of Biodeterioration and Reference Organisms (4.1), Department of Materials and the Environment, Federal Institute for Materials Research and Testing (BAM), Unter den Eichen 87, 12205 Berlin, Germany
| | - Yong-Guan Zhu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, 361021 Xiamen, China
| | - D G Joakim Larsson
- Department of Infectious Diseases, Institute of Biomedicine, The Sahlgrenska Academy at the University of Gothenburg, Guldhedsgatan 10, SE-413 46 Göteborg, Sweden
- Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Västra Götaland, SE-405 30 Göteborg, Sweden
| | - Barth F Smets
- Department of Biological and Chemical Engineering-Environmental Engineering, Aarhus University, Ole Worms Allé 3, 8000 Aarhus C, Denmark
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2
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Yadav AK, Zhao Z, Weng Y, Gardner SH, Brady CJ, Pichardo Peguero OD, Chan J. Hydrolysis-Resistant Ester-Based Linkers for Development of Activity-Based NIR Bioluminescence Probes. J Am Chem Soc 2023; 145:1460-1469. [PMID: 36603103 PMCID: PMC10120059 DOI: 10.1021/jacs.2c12984] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Activity-based sensing (ABS) probes equipped with a NIR bioluminescence readout are promising chemical tools to study cancer biomarkers owing to their high sensitivity and deep tissue compatibility. Despite the demand, there is a dearth of such probes because NIR substrates (e.g., BL660 (a NIR luciferin analog)) are not equipped with an appropriate attachment site for ABS trigger installation. For instance, our attempts to mask the carboxylic acid moiety with standard self-immolative benzyl linkers resulted in significant background signals owing to undesirable ester hydrolysis. In this study, we overcame this longstanding challenge by rationally designing a new hydrolysis-resistant ester-based linker featuring an isopropyl shielding arm. Compared to the parent, the new design is 140.5-fold and 67.8-fold more resistant toward spontaneous and esterase-mediated hydrolysis, respectively. Likewise, we observed minimal cleavage of the ester moiety when incubated with a panel of enzymes possessing ester-hydrolyzing activity. These impressive in vitro results were corroborated through a series of key experiments in live cells. Further, we showcased the utility of this technology by developing the first NIR bioluminescent probe for nitroreductase (NTR) activity and applied it to visualize elevated NTR expression in oxygen deficient lung cancer cells and in a murine model of non-small cell lung cancer. The ability to monitor the activity of this key biomarker in a deep tissue context is critical because it is associated with tumor hypoxia, which in turn is linked to drug resistance and aggressive cancer phenotypes.
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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
| | - Zhenxiang Zhao
- 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
| | - Yourong Weng
- 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
| | - Sarah H Gardner
- Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Catharine J Brady
- 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
| | - Oliver D Pichardo Peguero
- 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.,Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
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3
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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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4
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Direct cell-cell interaction regulates division of stem cells from PC-3 human prostate cancer cell line. Biochem Biophys Res Commun 2022; 631:25-31. [PMID: 36162326 DOI: 10.1016/j.bbrc.2022.09.004] [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: 08/09/2022] [Accepted: 09/01/2022] [Indexed: 11/22/2022]
Abstract
Cancer stem cells (CSCs) are a subpopulation that can drive recurrence and metastasis. Therefore, therapies targeting CSCs are required. Although previous findings have suggested that non-CSCs regulate the proliferation and differentiation of CSCs in the tumor microenvironment, the precise molecular mechanism is largely unknown. In this study, we found that a direct interaction between CSCs and non-CSCs downregulated CSC division in the PC-3 human prostate cancer cell line. We found that the proliferation of PC-3-derived CSCs (PrSCs) was significantly decreased (∼47%) in the presence of non-CSC-rich parental PC-3 cells compared with that in a culture in which they were absent. We observed no differences in PrSC proliferation when we indirectly cocultured them with PC-3 cells across a Transwell insert, and PrSCs that were transiently bound to immobilized PC-3 cells proliferated more slowly than those bound to PrSCs. The frequency of cell division with prior PrSC-PrSC contact was 2.8 times higher in the PrSC monoculture compared with that in the coculture with PC-3 cells. We found that the PrSCs were approximately 1.3 times more closely associated in the monoculture compared with the coculture with PC-3 cells, as determined by a cell proximity assay. The frequency of asymmetric PrSC division was 6.5% in the monoculture compared with 1.0% in the coculture with PC-3 cells (P < 0.045). By analyzing our data, we determined the importance of PrSC-non-CSC contact in regulating the frequency and mode of PrSC division. This regulation might be a valuable target for treating cancer.
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5
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Yang X, Qin X, Ji H, Du L, Li M. Constructing firefly luciferin bioluminescence probes for in vivo imaging. Org Biomol Chem 2022; 20:1360-1372. [PMID: 35080225 DOI: 10.1039/d1ob01940f] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
Bioluminescence imaging (BLI) is a widely applied visual approach for real-time detecting many physiological and pathological processes in a variety of biological systems. Based on the caging strategy, lots of bioluminescent probes have been well developed. While the targets react with recognizable groups, caged luciferins liberate luciferase substrates, which react with luciferase generating a bioluminescent response. Among the various bioluminescent systems, the most widely utilized bioluminescent system is the firefly luciferin system. The H and carboxylic acid of luciferin are critically caged sites. The introduced self-immolative linker extends the applications of probes. Firefly luciferin system probes have been successfully applied for analyzing physiological processes, monitoring the environment, diagnosing diseases, screening candidate drugs, and evaluating the therapeutic effect. Here, we systematically review the general design strategies of firefly luciferin bioluminescence probes and their applications. Bioluminescence probes provide a new approach for facilitating investigation in a diverse range of fields. It inspires us to explore more robust light emission luciferin and novel design strategies to develop bioluminescent probes.
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Affiliation(s)
- Xingye Yang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology, School of Pharmacy, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China.
| | - Xiaojun Qin
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology, School of Pharmacy, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China.
- School of Pharmacy, Guangxi Medical University, Nanning, Guangxi 530021, China
| | - Huimin Ji
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology, School of Pharmacy, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China.
| | - Lupei Du
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology, School of Pharmacy, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China.
| | - Minyong Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology, School of Pharmacy, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China.
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6
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Love AC, Tran SH, Prescher JA. Caged Cumate Enables Proximity-Dependent Control Over Gene Expression. Chembiochem 2021; 22:2440-2448. [PMID: 34031982 PMCID: PMC9870035 DOI: 10.1002/cbic.202100158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/17/2021] [Indexed: 01/26/2023]
Abstract
Cell-cell interactions underlie diverse physiological processes yet remain challenging to examine with conventional imaging tools. Here we report a novel strategy to illuminate cell proximity using transcriptional activators. We repurposed cumate, a small molecule inducer of gene expression, by caging its key carboxylate group with a nitrile. Nitrilase-expressing activator cells released the cage, liberating cumate for consumption by reporter cells. Reporter cells comprising a cumate-responsive switch expressed a target gene when in close proximity to the activator cells. Overall, this strategy provides a versatile platform to image and potentially manipulate cellular interactions over time.
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Affiliation(s)
- Anna C Love
- Department of Chemistry, University of California, Irvine, 1120 Natural Sciences II, Irvine, CA 92697, USA
| | - Sabrina H Tran
- Department of Biological Sciences, University of California, Irvine, 5120 Natural Sciences II, Irvine, CA, 92627, USA
| | - Jennifer A Prescher
- Department of Chemistry, University of California, Irvine, 1120 Natural Sciences 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, Ste. 101, Irvine, CA 92697, USA
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7
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Jacome DA, Northrup JD, Ruff AJ, Reilly SW, Lee IK, Blizard GS, Sellmyer MA. A Chemical Approach for Programmable Protein Outputs Based on Engineered Cell Interactions. ACS Chem Biol 2021; 16:52-57. [PMID: 33351606 DOI: 10.1021/acschembio.0c00935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Cell-cell interactions and communication are crucial to the proper function of complex mammalian physiology including neurocognitive and immune system functions. While many tools are available for observing and perturbing intracellular processes, relatively few exist to probe intercellular processes. Current techniques for studying interactions often rely on direct protein contact, and few can manipulate diverse, functional outputs with tunable protein expression. To address these limitations, we have developed a small-molecule approach based on a trimethoprim prodrug-enzyme pair capable of reporting the presence of two different engineered cell populations with programmable protein outputs. The approach relies on bacterial nitroreductase enzyme catalysis, which is orthogonal to normal mammalian biology, and diffusion of trimethoprim from "activator" cells to "receiver" cells. We test this strategy, which can theoretically regulate many different types of proteins, using biochemical and in vitro culture assays with optical and cytokine protein readouts. This describes the first small-molecule approach capable of detecting and controlling engineered cell-cell outputs, and we anticipate future applications that are especially relevant to the field of immuno-oncology.
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Affiliation(s)
- Daniel A. Jacome
- Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Justin D. Northrup
- Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Institute for Translational Medicine and Therapeutics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Andrew J. Ruff
- Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Sean W. Reilly
- Department of Process Research and Development, Merck Research Laboratories, Kenilworth, New Jersey 07033, United States
| | - Iris K. Lee
- Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Gabrielle S. Blizard
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Mark A. Sellmyer
- Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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8
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Syed AJ, Anderson JC. Applications of bioluminescence in biotechnology and beyond. Chem Soc Rev 2021; 50:5668-5705. [DOI: 10.1039/d0cs01492c] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Bioluminescent probes have hugely benefited from the input of synthetic chemistry and protein engineering. Here we review the latest applications of these probes in biotechnology and beyond, with an eye on current limitations and future directions.
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Affiliation(s)
- Aisha J. Syed
- Department of Chemistry
- University College London
- London
- UK
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9
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Li S, Ruan Z, Zhang H, Xu H. Recent achievements of bioluminescence imaging based on firefly luciferin-luciferase system. Eur J Med Chem 2020; 211:113111. [PMID: 33360804 DOI: 10.1016/j.ejmech.2020.113111] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 11/26/2020] [Accepted: 12/13/2020] [Indexed: 02/06/2023]
Abstract
Bioluminescence imaging (BLI) is a newly developed noninvasive visual approach which facilitates the understanding of a plethora of biological processes in vitro and in vivo due to the high sensitivity, resolution and selectivity, low background signal, and the lack of external light excitation. BLI based on firefly luciferin-luciferase system has been widely used for the activity evaluation of tumor-specific enzymes, for the detection of diseases-related bioactive small molecules and metal ions, and for the diagnosis and therapy of diseases including the studies of drug transport, the research of immune response, and the evaluation of drug potency and tissue distribution. In this review, we highlight the recent achievements in luciferin derivatives with red-shifted emission spectra, mutant luciferase-luciferin pairs, and the diagnostic and therapeutic application of BLI based on firefly luciferin-luciferase system. The development and application of BLI will expand our knowledge of the occurrence and development of diseases and shed light on the diagnosis and treatment of various diseases.
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Affiliation(s)
- Shufeng Li
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Co-innovation Center of Henan Province for New Drug R&D and Preclinical Safety, and School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Zhiyang Ruan
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Co-innovation Center of Henan Province for New Drug R&D and Preclinical Safety, and School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Hang Zhang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Co-innovation Center of Henan Province for New Drug R&D and Preclinical Safety, and School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China.
| | - Haiwei Xu
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Co-innovation Center of Henan Province for New Drug R&D and Preclinical Safety, and School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China.
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10
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Gammon ST, Liu TW, Piwnica-Worms D. Interrogating Cellular Communication in Cancer with Genetically Encoded Imaging Reporters. Radiol Imaging Cancer 2020; 2:e190053. [PMID: 32803164 PMCID: PMC7398120 DOI: 10.1148/rycan.2020190053] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 01/06/2020] [Accepted: 01/22/2020] [Indexed: 04/14/2023]
Abstract
Cells continuously communicate changes in their microenvironment, both locally and globally, with other cells in the organism. Integration of information arising from signaling networks impart continuous, time-dependent changes of cell function and phenotype. Use of genetically encoded reporters enable researchers to noninvasively monitor time-dependent changes in intercellular and intracellular signaling, which can be interrogated by macroscopic and microscopic optical imaging, nuclear medicine imaging, MRI, and even photoacoustic imaging techniques. Reporters enable noninvasive monitoring of changes in cell-to-cell proximity, transcription, translation, protein folding, protein association, protein degradation, drug action, and second messengers in real time. Because of their positive impact on preclinical research, attempts to improve the sensitivity and specificity of these reporters, and to develop new types and classes of reporters, remain an active area of investigation. A few reporters have migrated to proof-of-principle clinical demonstrations, and recent advances in genome editing technologies may enable the use of reporters in the context of genome-wide analysis and the imaging of complex genomic regulation in vivo that cannot be readily investigated through standard methodologies. The combination of genetically encoded imaging reporters with continuous improvements in other molecular biology techniques may enhance and expedite target discovery and drug development for cancer interventions and treatment. © RSNA, 2020.
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11
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Abstract
Luciferase enzymes from bioluminescent organisms can be expressed in mice, enabling these rodents to glow when treated with a corresponding luciferin substrate. Light emission occurs where the expression of the genetically-encoded luciferase overlaps with the biodistribution of the administered small molecule luciferin. Here we discuss differences between firefly luciferin analogues for bioluminescence imaging, focusing on transgenic and adeno-associated virus (AAV)-transduced mice.
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12
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Jones K, Kentala K, Beck MW, An W, Lippert AR, Lewis JC, Dickinson BC. Development of a Split Esterase for Protein-Protein Interaction-Dependent Small-Molecule Activation. ACS CENTRAL SCIENCE 2019; 5:1768-1776. [PMID: 31807678 PMCID: PMC6891849 DOI: 10.1021/acscentsci.9b00567] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Indexed: 05/21/2023]
Abstract
Split reporters based on fluorescent proteins and luciferases have emerged as valuable tools for measuring interactions in biological systems. Relatedly, biosensors that transduce measured input signals into outputs that influence the host system are key components of engineered gene circuits for synthetic biology applications. While small-molecule-based imaging agents are widely used in biological studies, and small-molecule-based drugs and chemical probes can target a range of biological processes, a general method for generating a target small molecule in a biological system based on a measured input signal is lacking. Here, we develop a proximity-dependent split esterase that selectively unmasks ester-protected small molecules in an interaction-dependent manner. Exploiting the versatility of an ester-protected small-molecule output, we demonstrate fluorescent, chemiluminescent, and pharmacological probe generation, each created by masking key alcohol functional groups on a target small molecule. We show that the split esterase system can be used in combination with ester-masked fluorescent or luminescent probes to measure protein-protein interactions and protein-protein interaction inhibitor engagement. We demonstrate that the esterase-based reporter system is compatible with other commonly used split reporter imaging systems for the simultaneous detection of multiple protein-protein interactions. Finally, we develop a system for selective small-molecule-dependent cell killing by unmasking a cytotoxic molecule using an inducible split esterase. Presaging utility in future synthetic biology-based therapeutic applications, we also show that the system can be used for intercellular cell killing via a bystander effect, where one activated cell unmasks a cytotoxic molecule and kills cells physically adjacent to the activated cells. Collectively, this work illustrates that the split esterase system is a valuable new addition to the split protein toolbox, with particularly exciting potential in synthetic biology applications.
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Affiliation(s)
- Krysten
A. Jones
- Department
of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Kaitlin Kentala
- Department
of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Michael W. Beck
- Department
of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Weiwei An
- Department
of Chemistry, Center for Drug Discovery, Design, and Delivery (CD4),
Center for Global Health Impact (CGHI), Southern Methodist University, Dallas, Texas 75275-0314, United States
| | - Alexander R. Lippert
- Department
of Chemistry, Center for Drug Discovery, Design, and Delivery (CD4),
Center for Global Health Impact (CGHI), Southern Methodist University, Dallas, Texas 75275-0314, United States
| | - Jared C. Lewis
- Department
of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Bryan C. Dickinson
- Department
of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
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13
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Su TA, Bruemmer KJ, Chang CJ. Caged luciferins for bioluminescent activity-based sensing. Curr Opin Biotechnol 2019; 60:198-204. [PMID: 31200275 DOI: 10.1016/j.copbio.2019.05.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 05/07/2019] [Indexed: 02/06/2023]
Abstract
Bioluminescence imaging is a powerful modality for in vivo imaging owing to its low background and high signal-to-noise ratio. Because bioluminescent emission occurs only upon the catalytic reaction between the luciferase enzyme and its luciferin substrate, caging luciferins with analyte-reactive triggers offers a general approach for activity-based sensing of specific biochemical processes in living systems across cell, tissue, and animal models. In this review, we summarize recent efforts in the development of synthetic caged luciferins for tracking enzyme, small molecule, and metal ion activity and their contributions to physiological and pathological processes.
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Affiliation(s)
- Timothy A Su
- Department of Chemistry, University of California, Berkeley, CA 94720, United States
| | - Kevin J Bruemmer
- Department of Chemistry, University of California, Berkeley, CA 94720, United States
| | - Christopher J Chang
- Department of Chemistry, University of California, Berkeley, CA 94720, United States; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, United States; Helen Wills Neuroscience Institute, University of California, Berkeley, CA 94720, United States; Howard Hughes Medical Institute, University of California, Berkeley, California 94720, United States
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14
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Sun J, Hu Z, Zhang S, Zhang X. A Novel Chemiluminescent Probe Based on 1,2-Dioxetane Scaffold for Imaging Cysteine in Living Mice. ACS Sens 2019; 4:87-92. [PMID: 30592399 DOI: 10.1021/acssensors.8b00936] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
A novel chemiluminescent probe for detection of cysteine (Cys) from other biothiols has been reported by utilizing the excellent chemiluminescent Schaap's adamantylidene-dioxetane scaffold. After careful assessment, the probe CL-Cys could detect Cys with high sensitivity and total light photons increased by 28-fold after the probe was treated with Cys, with the detection limit of 7.5 × 10-8 M. Finally, CL-Cys was further utilized for the chemiluminescent imaging of endogenous Cys in a living mouse. In general, this probe has a remarkable ability to detect Cys, which provides a valuable method for interrogation of the Cys roles in more biological and pathological processes.
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Affiliation(s)
- Jinyu Sun
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Tsinghua University, Beijing 100084, China
| | - Zhian Hu
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Tsinghua University, Beijing 100084, China
| | - Sichun Zhang
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Tsinghua University, Beijing 100084, China
| | - Xinrong Zhang
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Tsinghua University, Beijing 100084, China
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15
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Sun J, Hu Z, Wang R, Zhang S, Zhang X. A Highly Sensitive Chemiluminescent Probe for Detecting Nitroreductase and Imaging in Living Animals. Anal Chem 2018; 91:1384-1390. [DOI: 10.1021/acs.analchem.8b03955] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jinyu Sun
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Tsinghua University, Beijing 100084, China
| | - Zhian Hu
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Tsinghua University, Beijing 100084, China
| | - Ruihua Wang
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Sichun Zhang
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Tsinghua University, Beijing 100084, China
| | - Xinrong Zhang
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Tsinghua University, Beijing 100084, China
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16
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Bazhin AA, Chambon M, Vesin J, Bortoli J, Collins JW, Turcatti G, Chou CJ, Goun EA. A Universal Assay for Aminopeptidase Activity and Its Application for Dipeptidyl Peptidase-4 Drug Discovery. Anal Chem 2018; 91:1098-1104. [PMID: 30511572 DOI: 10.1021/acs.analchem.8b04672] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Aminopeptidases, such as dipeptidyl peptidase-4 (DPP-4, CD26), are potent therapeutic targets for pharmacological interventions because they play key roles in many important pathological pathways. To analyze aminopeptidase activity in vitro (including high-throughput screening [HTS]), in vivo, and ex vivo, we developed a highly sensitive and quantitative bioluminescence-based readout method. We successfully applied this method to screening drugs with potential DPP-4 inhibitory activity. Using this method, we found that cancer drug mitoxantrone possesses significant DPP-4 inhibitory activity both in vitro and in vivo. The pharmacophore of mitoxantrone was further investigated by testing a variety of its structural analogues.
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Affiliation(s)
| | | | | | | | | | | | - Chieh Jason Chou
- Microbiome and Metabolism , Nestlé Institute of Health Sciences SA , Lausanne 1015 , Switzerland
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17
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Shahmoradi G, Amani S. Synthesis, characterization and computational studies of 2-cyano-6-methoxybenzothiazole as a firefly-luciferin precursor. HETEROCYCL COMMUN 2018. [DOI: 10.1515/hc-2018-0047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Abstract
A novel approach to the synthesis of 2-cyano-6-methoxybenzothiazole via the Cu-catalyzed cyanation of 2-iodo-6-methoxybenzothiazole was developed. K4[Fe(CN)6] was used as a source of cyanide, and a Cu/N,N,N′,N′-tetramethylethylenediamine (TMEDA) system was utilized as a catalyst. This approach is scalable and can be practiced with operational benign. The most stable conformation of 2-cyano-6-methoxybenzothiazole was delineated using the density functional theory (DFT)/B3LYP method with 6-311++G(d, p) basis set.
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18
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Zhang BS, Jones KA, McCutcheon DC, Prescher JA. Pyridone Luciferins and Mutant Luciferases for Bioluminescence Imaging. Chembiochem 2018; 19:470-477. [PMID: 29384255 PMCID: PMC6163054 DOI: 10.1002/cbic.201700542] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Indexed: 01/24/2023]
Abstract
New applications for bioluminescence imaging require an expanded set of luciferase enzymes and luciferin substrates. Here, we report two novel luciferins for use in vitro and in cells. These molecules comprise regioisomeric pyridone cores that can be accessed from a common synthetic route. The analogues exhibited unique emission spectra with firefly luciferase, although photon intensities remained weak. Enhanced light outputs were achieved by using mutant luciferase enzymes. One of the luciferin-luciferase pairs produced light on par with native probes in live cells. The pyridone analogues and complementary luciferases add to a growing set of designer probes for bioluminescence imaging.
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Affiliation(s)
- Brendan S. Zhang
- Department of Chemistry, University of California, Irvine, 1120 Natural Sciences II, Irvine, CA 92697 (USA),
| | - Krysten A. Jones
- Department of Molecular Biology and Biochemistry, University of California, Irvine, 3205 McGaugh Hall, Irvine, CA 92697 (USA)
| | - David C. McCutcheon
- Department of Chemistry, University of California, Irvine, 1120 Natural Sciences II, Irvine, CA 92697 (USA),
| | - Jennifer A. Prescher
- Department of Chemistry, University of California, Irvine, 1120 Natural Sciences 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, 147 Bison Modular, Irvine, CA 92697 (USA)
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19
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Hananya N, Shabat D. A Glowing Trajectory between Bio- and Chemiluminescence: From Luciferin-Based Probes to Triggerable Dioxetanes. Angew Chem Int Ed Engl 2017; 56:16454-16463. [DOI: 10.1002/anie.201706969] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 09/06/2017] [Indexed: 12/23/2022]
Affiliation(s)
- Nir Hananya
- School of Chemistry; Raymond and Beverly Sackler Faculty of Exact Sciences; Tel Aviv University; Tel Aviv 69978 Israel
| | - Doron Shabat
- School of Chemistry; Raymond and Beverly Sackler Faculty of Exact Sciences; Tel Aviv University; Tel Aviv 69978 Israel
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20
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Hananya N, Shabat D. Bio- und Chemilumineszenz in der biologischen Bildgebung: von Luciferin-basierten Sonden zu aktivierbaren Dioxetanen. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706969] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Nir Hananya
- School of Chemistry; Raymond and Beverly Sackler Faculty of Exact Sciences; Tel Aviv University; Tel Aviv 69978 Israel
| | - Doron Shabat
- School of Chemistry; Raymond and Beverly Sackler Faculty of Exact Sciences; Tel Aviv University; Tel Aviv 69978 Israel
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21
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Aron AT, Heffern MC, Lonergan ZR, Vander Wal MN, Blank BR, Spangler B, Zhang Y, Park HM, Stahl A, Renslo AR, Skaar EP, Chang CJ. In vivo bioluminescence imaging of labile iron accumulation in a murine model of Acinetobacter baumannii infection. Proc Natl Acad Sci U S A 2017; 114:12669-12674. [PMID: 29138321 PMCID: PMC5715752 DOI: 10.1073/pnas.1708747114] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Iron is an essential metal for all organisms, yet disruption of its homeostasis, particularly in labile forms that can contribute to oxidative stress, is connected to diseases ranging from infection to cancer to neurodegeneration. Iron deficiency is also among the most common nutritional deficiencies worldwide. To advance studies of iron in healthy and disease states, we now report the synthesis and characterization of iron-caged luciferin-1 (ICL-1), a bioluminescent probe that enables longitudinal monitoring of labile iron pools (LIPs) in living animals. ICL-1 utilizes a bioinspired endoperoxide trigger to release d-aminoluciferin for selective reactivity-based detection of Fe2+ with metal and oxidation state specificity. The probe can detect physiological changes in labile Fe2+ levels in live cells and mice experiencing iron deficiency or overload. Application of ICL-1 in a model of systemic bacterial infection reveals increased iron accumulation in infected tissues that accompany transcriptional changes consistent with elevations in both iron acquisition and retention. The ability to assess iron status in living animals provides a powerful technology for studying the contributions of iron metabolism to physiology and pathology.
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Affiliation(s)
- Allegra T Aron
- Department of Chemistry, University of California, Berkeley, CA 94720
| | - Marie C Heffern
- Department of Chemistry, University of California, Berkeley, CA 94720
| | - Zachery R Lonergan
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Mark N Vander Wal
- Department of Chemistry, University of California, Berkeley, CA 94720
| | - Brian R Blank
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158
| | - Benjamin Spangler
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158
| | - Yaofang Zhang
- Mass Spectrometry Research Center, Vanderbilt University, Nashville, TN 37232
- Department of Biochemistry, Vanderbilt University, Nashville, TN 37232
| | - Hyo Min Park
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720
| | - Andreas Stahl
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720
| | - Adam R Renslo
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158
| | - Eric P Skaar
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232;
| | - Christopher J Chang
- Department of Chemistry, University of California, Berkeley, CA 94720;
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720
- Howard Hughes Medical Institute, University of California, Berkeley, CA 94720
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22
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Gilad AA, Shapiro MG. Molecular Imaging in Synthetic Biology, and Synthetic Biology in Molecular Imaging. Mol Imaging Biol 2017; 19:373-378. [PMID: 28213833 PMCID: PMC6058969 DOI: 10.1007/s11307-017-1062-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Biomedical synthetic biology is an emerging field in which cells are engineered at the genetic level to carry out novel functions with relevance to biomedical and industrial applications. This approach promises new treatments, imaging tools, and diagnostics for diseases ranging from gastrointestinal inflammatory syndromes to cancer, diabetes, and neurodegeneration. As these cellular technologies undergo pre-clinical and clinical development, it is becoming essential to monitor their location and function in vivo, necessitating appropriate molecular imaging strategies, and therefore, we have created an interest group within the World Molecular Imaging Society focusing on synthetic biology and reporter gene technologies. Here, we highlight recent advances in biomedical synthetic biology, including bacterial therapy, immunotherapy, and regenerative medicine. We then discuss emerging molecular imaging approaches to facilitate in vivo applications, focusing on reporter genes for noninvasive modalities such as magnetic resonance, ultrasound, photoacoustic imaging, bioluminescence, and radionuclear imaging. Because reporter genes can be incorporated directly into engineered genetic circuits, they are particularly well suited to imaging synthetic biological constructs, and developing them provides opportunities for creative molecular and genetic engineering.
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Affiliation(s)
- Assaf A Gilad
- The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Cellular Imaging Section and Vascular Biology Program, Institute for Cell Engineering, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, USA.
| | - Mikhail G Shapiro
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA.
- Heritage Medical Research Institute, California Institute of Technology, Pasadena, CA, USA.
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23
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Heffern MC, Park HM, Au-Yeung HY, Van de Bittner GC, Ackerman CM, Stahl A, Chang CJ. In vivo bioluminescence imaging reveals copper deficiency in a murine model of nonalcoholic fatty liver disease. Proc Natl Acad Sci U S A 2016; 113:14219-14224. [PMID: 27911810 PMCID: PMC5167165 DOI: 10.1073/pnas.1613628113] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Copper is a required metal nutrient for life, but global or local alterations in its homeostasis are linked to diseases spanning genetic and metabolic disorders to cancer and neurodegeneration. Technologies that enable longitudinal in vivo monitoring of dynamic copper pools can help meet the need to study the complex interplay between copper status, health, and disease in the same living organism over time. Here, we present the synthesis, characterization, and in vivo imaging applications of Copper-Caged Luciferin-1 (CCL-1), a bioluminescent reporter for tissue-specific copper visualization in living animals. CCL-1 uses a selective copper(I)-dependent oxidative cleavage reaction to release d-luciferin for subsequent bioluminescent reaction with firefly luciferase. The probe can detect physiological changes in labile Cu+ levels in live cells and mice under situations of copper deficiency or overload. Application of CCL-1 to mice with liver-specific luciferase expression in a diet-induced model of nonalcoholic fatty liver disease reveals onset of hepatic copper deficiency and altered expression levels of central copper trafficking proteins that accompany symptoms of glucose intolerance and weight gain. The data connect copper dysregulation to metabolic liver disease and provide a starting point for expanding the toolbox of reactivity-based chemical reporters for cell- and tissue-specific in vivo imaging.
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Affiliation(s)
- Marie C Heffern
- Department of Chemistry, University of California, Berkeley, CA 94720
| | - Hyo Min Park
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720
| | - Ho Yu Au-Yeung
- Department of Chemistry, University of California, Berkeley, CA 94720
| | | | - Cheri M Ackerman
- Department of Chemistry, University of California, Berkeley, CA 94720
| | - Andreas Stahl
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720;
| | - Christopher J Chang
- Department of Chemistry, University of California, Berkeley, CA 94720;
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720
- Helen Wills Neuroscience Institute, University of California, Berkeley, CA 94720
- Howard Hughes Medical Institute, University of California, Berkeley, CA 94720
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24
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Virdee S. 2016 EMBO Chemical Biology Conference. Chembiochem 2016; 18:66-71. [PMID: 27862792 DOI: 10.1002/cbic.201600597] [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: 11/08/2016] [Indexed: 11/07/2022]
Abstract
The full breadth of the field: The 2016 EMBO Chemical Biology Conference, covering topics from tool development to biological applications and from computational drug design to synthetic chemistry, took place in Heidelberg from 31st August to 3rd September.
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Affiliation(s)
- Satpal Virdee
- University of Dundee, MRC Protein Phosphorylation and Ubiquitylation Unit, Dow Street, Dundee, DD1 5EH, UK
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25
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Xu T, Close D, Handagama W, Marr E, Sayler G, Ripp S. The Expanding Toolbox of In Vivo Bioluminescent Imaging. Front Oncol 2016; 6:150. [PMID: 27446798 PMCID: PMC4917529 DOI: 10.3389/fonc.2016.00150] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 06/01/2016] [Indexed: 12/28/2022] Open
Abstract
In vivo bioluminescent imaging (BLI) permits the visualization of engineered bioluminescence from living cells and tissues to provide a unique perspective toward the understanding of biological processes as they occur within the framework of an authentic in vivo environment. The toolbox of in vivo BLI includes an inventory of luciferase compounds capable of generating bioluminescent light signals along with sophisticated and powerful instrumentation designed to detect and quantify these light signals non-invasively as they emit from the living subject. The information acquired reveals the dynamics of a wide range of biological functions that play key roles in the physiological and pathological control of disease and its therapeutic management. This mini review provides an overview of the tools and applications central to the evolution of in vivo BLI as a core technology in the preclinical imaging disciplines.
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Affiliation(s)
- Tingting Xu
- The Center for Environmental Biotechnology, The University of Tennessee , Knoxville, TN , USA
| | - Dan Close
- 490 BioTech, Inc. , Knoxville, TN , USA
| | - Winode Handagama
- The Department of Biology, Maryville College , Maryville, TN , USA
| | - Enolia Marr
- The Center for Environmental Biotechnology, The University of Tennessee , Knoxville, TN , USA
| | - Gary Sayler
- The Center for Environmental Biotechnology, The University of Tennessee, Knoxville, TN, USA; 490 BioTech, Inc., Knoxville, TN, USA
| | - Steven Ripp
- The Center for Environmental Biotechnology, The University of Tennessee, Knoxville, TN, USA; 490 BioTech, Inc., Knoxville, TN, USA
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26
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Porterfield WB, Jones KA, McCutcheon DC, Prescher JA. A “Caged” Luciferin for Imaging Cell–Cell Contacts. J Am Chem Soc 2015; 137:8656-9. [DOI: 10.1021/jacs.5b02774] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- William B. Porterfield
- Departments of Chemistry, ‡Molecular Biology & Biochemistry, and §Pharmaceutical Sciences, University of California, Irvine, California 92697, United States
| | - Krysten A. Jones
- Departments of Chemistry, ‡Molecular Biology & Biochemistry, and §Pharmaceutical Sciences, University of California, Irvine, California 92697, United States
| | - David C. McCutcheon
- Departments of Chemistry, ‡Molecular Biology & Biochemistry, and §Pharmaceutical Sciences, University of California, Irvine, California 92697, United States
| | - Jennifer A. Prescher
- Departments of Chemistry, ‡Molecular Biology & Biochemistry, and §Pharmaceutical Sciences, University of California, Irvine, California 92697, United States
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27
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Vorobyeva AG, Stanton M, Godinat A, Lund KB, Karateev GG, Francis KP, Allen E, Gelovani JG, McCormack E, Tangney M, Dubikovskaya EA. Development of a Bioluminescent Nitroreductase Probe for Preclinical Imaging. PLoS One 2015; 10:e0131037. [PMID: 26110789 PMCID: PMC4482324 DOI: 10.1371/journal.pone.0131037] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 05/28/2015] [Indexed: 12/14/2022] Open
Abstract
Bacterial nitroreductases (NTRs) have been widely utilized in the development of novel antibiotics, degradation of pollutants, and gene-directed enzyme prodrug therapy (GDEPT) of cancer that reached clinical trials. In case of GDEPT, since NTR is not naturally present in mammalian cells, the prodrug is activated selectively in NTR-transformed cancer cells, allowing high efficiency treatment of tumors. Currently, no bioluminescent probes exist for sensitive, non-invasive imaging of NTR expression. We therefore developed a "NTR caged luciferin" (NCL) probe that is selectively reduced by NTR, producing light proportional to the NTR activity. Here we report successful application of this probe for imaging of NTR in vitro, in bacteria and cancer cells, as well as in vivo in mouse models of bacterial infection and NTR-expressing tumor xenografts. This novel tool should significantly accelerate the development of cancer therapy approaches based on GDEPT and other fields where NTR expression is important.
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Affiliation(s)
- Anzhelika G. Vorobyeva
- School of Basic Sciences, Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology of Lausanne, Lausanne, Switzerland
| | - Michael Stanton
- Cork Cancer Research Centre, University College Cork, Cork, Ireland
| | - Aurélien Godinat
- School of Basic Sciences, Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology of Lausanne, Lausanne, Switzerland
| | - Kjetil B. Lund
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Internal Medicine, Hematology Section, Haukeland University Hospital, Bergen, Norway
| | - Grigory G. Karateev
- School of Basic Sciences, Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology of Lausanne, Lausanne, Switzerland
| | | | - Elizabeth Allen
- School of Life Sciences, Swiss Institute for Experimental Cancer Research (ISREC), Swiss Federal Institute of Technology of Lausanne, Lausanne, Switzerland
| | - Juri G. Gelovani
- Department of Biomedical Engineering, College of Engineering and School of Medicine, Wayne State University, Detroit, Michigan, United States of America
| | - Emmet McCormack
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Internal Medicine, Hematology Section, Haukeland University Hospital, Bergen, Norway
| | - Mark Tangney
- Cork Cancer Research Centre, University College Cork, Cork, Ireland
| | - Elena A. Dubikovskaya
- School of Basic Sciences, Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology of Lausanne, Lausanne, Switzerland
- * E-mail:
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28
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Jones KA, Li DJ, Hui E, Sellmyer MA, Prescher JA. Visualizing cell proximity with genetically encoded bioluminescent reporters. ACS Chem Biol 2015; 10:933-8. [PMID: 25643167 DOI: 10.1021/cb5007773] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cell-cell interactions underlie diverse physiological processes ranging from immune function to cell migration. Dysregulated cellular crosstalk also potentiates numerous pathologies, including infections and metastases. Despite their ubiquity in organismal biology, cell-cell interactions are difficult to examine in tissues and whole animals without invasive procedures. Here, we report a strategy to noninvasively image cell proximity using engineered bioluminescent probes. These tools comprise "split" fragments of Gaussia luciferase (Gluc) fused to the leucine zipper domains of Fos and Jun. When cells secreting the fragments draw near one another, Fos and Jun drive the assembly of functional, light-emitting Gluc. Photon production thus provides a readout on the distance between two cell types. We used the split fragments to visualize cell-cell interactions over time in vitro and in macroscopic models of cell migration. Further application of these tools in live organisms will refine our understanding of cell contacts relevant to basic biology and disease.
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Affiliation(s)
| | | | | | - Mark A. Sellmyer
- Department
of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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29
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McCutcheon DC, Porterfield WB, Prescher JA. Rapid and scalable assembly of firefly luciferase substrates. Org Biomol Chem 2015; 13:2117-21. [PMID: 25525906 PMCID: PMC4318752 DOI: 10.1039/c4ob02529f] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bioluminescence imaging with luciferase-luciferin pairs is a popular method for visualizing biological processes in vivo. Unfortunately, most luciferins are difficult to access and remain prohibitively expensive for some imaging applications. Here we report cost-effective and efficient syntheses of d-luciferin and 6'-aminoluciferin, two widely used bioluminescent substrates. Our approach employs inexpensive anilines and Appel's salt to generate the luciferin cores in a single pot. Additionally, the syntheses are scalable and can provide multi-gram quantities of both substrates. The streamlined production and improved accessibility of luciferin reagents will bolster in vivo imaging efforts.
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30
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Porterfield WB, Prescher JA. Tools for visualizing cell–cell ‘interactomes’. Curr Opin Chem Biol 2015; 24:121-30. [DOI: 10.1016/j.cbpa.2014.11.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2014] [Accepted: 11/06/2014] [Indexed: 11/28/2022]
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31
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Bhattacharyya S, Bronner ME. Clonal analyses in the anterior pre-placodal region: implications for the early lineage bias of placodal progenitors. THE INTERNATIONAL JOURNAL OF DEVELOPMENTAL BIOLOGY 2014; 57:753-7. [PMID: 24307294 DOI: 10.1387/ijdb.130155mb] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Cranial ectodermal placodes, a vertebrate innovation, contribute to the adenohypophysis and peripheral nervous system of the head, including the paired sense organs (eyes, nose, ears) and sensory ganglia of the Vth, VIIth, IXth and Xth cranial nerves. Fate-maps of groups of cells in amphibians, teleosts and amniotes have demonstrated that all placodes have a common origin in a horseshoe shaped territory, known as the preplacodal region (PPR), which surrounds the presumptive neural plate of the late gastrula/early neurula stage embryo. Given the extensive regional overlap of progenitors for different placodes in the chick embryo, it has been a matter of debate as to whether individual cells in the PPR are truly multipotent progenitors, with regard to placodal identity, or rather are lineage-biased or restricted to a specific placodal type prior to overt differentiation. Utilizing clonal analyses in vivo, we demonstrate here that the anterior PPR comprises some precursors that contribute either to the olfactory or lens placode well before they are spatially segregated or committed to either of these placodal fates. This suggests that lineage bias towards a specific placodal fate may coincide with induction of the PPR.
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32
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Adams ST, Miller SC. Beyond D-luciferin: expanding the scope of bioluminescence imaging in vivo. Curr Opin Chem Biol 2014; 21:112-20. [PMID: 25078002 DOI: 10.1016/j.cbpa.2014.07.003] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 06/28/2014] [Accepted: 07/03/2014] [Indexed: 01/10/2023]
Abstract
The light-emitting chemical reaction catalyzed by the enzyme firefly luciferase is widely used for noninvasive imaging in live mice. However, photon emission from the luciferase is crucially dependent on the chemical properties of its substrate, D-luciferin. In this review, we describe recent work to replace the natural luciferase substrate with synthetic analogs that extend the scope of bioluminescence imaging.
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Affiliation(s)
- Spencer T Adams
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Stephen C Miller
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
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33
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Auld D, Lea W, Davis MI, Simeonov A. Literature Search and Review. Assay Drug Dev Technol 2013. [DOI: 10.1089/adt.2013.1107.lr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Doug Auld
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts
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34
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Imaging when cells get together. Nat Methods 2013. [DOI: 10.1038/nmeth.2539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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