1
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Bagherabadi M, Fleckenstein M, Moskalyk O, Belluati A, Avrutina O, Andrieu-Brunsen A. Grafting and controlled release of antimicrobial peptides from mesoporous silica. J Mater Chem B 2024. [PMID: 39078254 DOI: 10.1039/d4tb00752b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2024]
Abstract
The grafting of antimicrobial peptides onto mesoporous silica particles and their controlled release using a green light-responsive linker, which enables tunable release-concentration-time profiles, is presented. The mesoporous silica surface is functionalized with antimicrobial peptides employing sequential functionalization steps, including the grafting of 3-[(2-propynylcarbamate)propyl]triethoxysilane (PPTEOS) as anchor, boron-dipyrromethene (BODIPY) as photosensitive linker, and C14R peptides as antimicrobial agents. Characterization using scanning electron microscopy (SEM), transmission electron microscopy (TEM), attenuated total reflectance infrared (ATR-IR) spectroscopy, and thermogravimetric analysis (TGA) validate the successful fabrication and functionalization of mesoporous silica. The ester-1,2,3-triazole-BODIPY demonstrates high sensitivity to green light and enables C14R antimicrobial peptide release with adjusted concentration-time profiles. Under the applied conditions up to 64 μg mL-1 were released within 40 minutes. The antimicrobial activity of the released C14R on Escherichia coli. BL21(DE3) is demonstrated. Overall, the use of the photosensitive linker not only provides a promising avenue for controlling the release of biomolecules and therapeutics but also opens up opportunities for the development of materials for targeted release in wound dressings, for example.
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Affiliation(s)
- Mohadeseh Bagherabadi
- Department of Chemistry, Technical University of Darmstadt, Peter-Grünberg-Str. 8, 64287 Darmstadt, Germany.
| | - Marie Fleckenstein
- Department of Chemistry, Technical University of Darmstadt, Peter-Grünberg-Str. 8, 64287 Darmstadt, Germany.
| | - Oleksandr Moskalyk
- Department of Chemistry, Technical University of Darmstadt, Peter-Grünberg-Str. 8, 64287 Darmstadt, Germany.
| | - Andrea Belluati
- Department of Chemistry, Technical University of Darmstadt, Peter-Grünberg-Str. 8, 64287 Darmstadt, Germany.
| | - Olga Avrutina
- Department of Chemistry, Technical University of Darmstadt, Peter-Grünberg-Str. 8, 64287 Darmstadt, Germany.
| | - Annette Andrieu-Brunsen
- Department of Chemistry, Technical University of Darmstadt, Peter-Grünberg-Str. 8, 64287 Darmstadt, Germany.
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2
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Brion A, Chaud J, Klimezak M, Bolze F, Ohlmann L, Léonard J, Chassaing S, Frisch B, Kichler A, Heurtault B, Specht A. Photoactivatable Liposomes for Blue to Deep Red Light-Activated Surface Drug Release: Application to Controlled Delivery of the Antitumoral Drug Melphalan. Bioconjug Chem 2023. [PMID: 37392184 DOI: 10.1021/acs.bioconjchem.3c00197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2023]
Abstract
Liposome-based nanoparticles able to release, via a photolytic reaction, a payload anchored at the surface of the phospholipid bilayer were prepared. The liposome formulation strategy uses an original drug-conjugated blue light-sensitive photoactivatable coumarinyl linker. This is based on an efficient blue light-sensitive photolabile protecting group modified by a lipid anchor, which enables its incorporation into liposomes, leading to blue to green light-sensitive nanoparticles. In addition, the formulated liposomes were doped with triplet-triplet annihilation upconverting organic chromophores (red to blue light) in order to prepare red light sensitive liposomes able to release a payload, by upconversion-assisted photolysis. Those light-activatable liposomes were used to demonstrate that direct blue or green light photolysis or red light TTA-UC-assisted drug photolysis can effectively photorelease a drug payload (Melphalan) and kill tumor cells in vitro after photoactivation.
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Affiliation(s)
- Anaïs Brion
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
| | - Juliane Chaud
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
- Équipe de chimie et neurobiologie moléculaire, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
| | - Maxime Klimezak
- Équipe de chimie et neurobiologie moléculaire, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
| | - Frédéric Bolze
- Équipe de chimie et neurobiologie moléculaire, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
| | - Laura Ohlmann
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
| | - Jérémie Léonard
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg/CNRS, UMR 7504, F-67034 Strasbourg, France
| | - Stefan Chassaing
- Institut de Chimie, Laboratoire de Synthèse, Réactivité Organiques & Catalyse, (LASYROC), Institut de Chimie, UMR 7177 Université de Strasbourg/CNRS, F-67000 Strasbourg, France
| | - Benoît Frisch
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
| | - Antoine Kichler
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
| | - Béatrice Heurtault
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
| | - Alexandre Specht
- Équipe de chimie et neurobiologie moléculaire, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, UMR 7199 Université de Strasbourg/CNRS, F-67401 Illkirch Cedex, France
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3
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López-Corrales M, Rovira A, Gandioso A, Nonell S, Bosch M, Marchán V. Mitochondria-Targeted COUPY Photocages: Synthesis and Visible-Light Photoactivation in Living Cells. J Org Chem 2023. [PMID: 37209100 DOI: 10.1021/acs.joc.3c00387] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Releasing bioactive molecules in specific subcellular locations from the corresponding caged precursors offers great potential in photopharmacology, especially when using biologically compatible visible light. By taking advantage of the intrinsic preference of COUPY coumarins for mitochondria and their long wavelength absorption in the visible region, we have synthesized and fully characterized a series of COUPY-caged model compounds to investigate how the structure of the coumarin caging group affects the rate and efficiency of the photolysis process. Uncaging studies using yellow (560 nm) and red light (620 nm) in phosphate-buffered saline medium have demonstrated that the incorporation of a methyl group in a position adjacent to the photocleavable bond is particularly important to fine-tune the photochemical properties of the caging group. Additionally, the use of a COUPY-caged version of the protonophore 2,4-dinitrophenol allowed us to confirm by confocal microscopy that photoactivation can occur within mitochondria of living HeLa cells upon irradiation with low doses of yellow light. The new photolabile protecting groups presented here complement the photochemical toolbox in therapeutic applications since they will facilitate the delivery of photocages of biologically active compounds into mitochondria.
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Affiliation(s)
- Marta López-Corrales
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Martí i Franqués 1-11, E-08028 Barcelona, Spain
| | - Anna Rovira
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Martí i Franqués 1-11, E-08028 Barcelona, Spain
| | - Albert Gandioso
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Martí i Franqués 1-11, E-08028 Barcelona, Spain
| | - Santi Nonell
- Institut Químic de Sarrià, Universitat Ramon Llull, Vía Augusta 390, E-08017 Barcelona, Spain
| | - Manel Bosch
- Unitat de Microscòpia Òptica Avançada, Centres Científics i Tecnològics (CCiTUB), Universitat de Barcelona (UB), Av. Diagonal 643, E-08028 Barcelona, Spain
| | - Vicente Marchán
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Martí i Franqués 1-11, E-08028 Barcelona, Spain
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4
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Super-resolution infrared microspectroscopy reveals heterogeneous distribution of photosensitive lipids in human hair medulla. Talanta 2023; 254:124152. [PMID: 36493565 DOI: 10.1016/j.talanta.2022.124152] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/24/2022] [Accepted: 11/27/2022] [Indexed: 12/04/2022]
Abstract
Human hair medulla chemical composition appears mostly homogenous when mapped by FTIR microspectroscopy even when using a synchrotron radiation source (SR-μFTIR) but it is expected to be heterogeneous. We performed sub-micron chemical mapping of hair cortex and medullas using Optical Photothermal Infrared microspectroscopy (OPTIR) and a mid-infrared Quantum Cascade Laser (QCL) source covering the fingerprint and the CH stretching region. Photodamages were observed in the hair cortex at mild laser power and occurred in the hair medulla even at the lowest power settings of the IR QCL pulsed at 100 kHz rate (4 μW/μm2 average power density) and visible probe laser (200 μw/μm2 average power density). Photoconversion of calcium carboxylates in other molecules, possibly sodium carboxylates, was observed. Attenuation of the IR QCL power by 40% using ZnSe filter and/or high-speed measurements (1000 cm-1/s) succeeded in almost completely eliminating the photodamages and photoconversion. OPTIR maps and images showed that the medullas were highly heterogeneous at the submicron scale. We found calcium carboxylates, aliphatic lipids and wax esters in small units, hundreds of nanometers in size. The 1470 cm-1 CO sym stretching peak of calcium carboxylates and the CH2asym stretching peak from aliphatic lipids proved to be the most efficient peaks to track the distribution of these molecules. OPTIR had enough sensitivity to map accurately only the strongest peaks from lipids and calcium carboxylates, weaker peaks such as the ester CO and sulfoxide SO bands were not accurately detected by OPTIR even when they were shown to be present by SR-μFTIR. Quantification of the medulla components by OPTIR is difficult due to several factors: discontinuous QCL emission, and noise. The weaker peaks such as CH3, CO, SO are often underestimated or not detected. We demonstrate here that OPTIR can be used to measure, map and image dark, photosensitive samples using very low IR power.
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5
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Ellis-Davies GCR. Reverse Engineering Caged Compounds: Design Principles for their Application in Biology. Angew Chem Int Ed Engl 2023; 62:e202206083. [PMID: 36646644 PMCID: PMC10015297 DOI: 10.1002/anie.202206083] [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: 04/26/2022] [Indexed: 01/18/2023]
Abstract
Light passes through biological tissue, and so it is used for imaging biological processes in situ. Such observation is part of the very essence of science, but mechanistic understanding requires intervention. For more than 50 years a "second function" for light has emerged; namely, that of photochemical control. Caged compounds are biologically inert signaling molecules that are activated by light. These optical probes enable external instruction of biological processes by stimulation of an individual element in complex signaling cascades in its native environment. Cause and effect are linked directly in spatial, temporal, and frequency domains in a quantitative manner by their use. I provide a guide to the basic properties required to make effective caged compounds for the biological sciences.
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Affiliation(s)
- Graham C R Ellis-Davies
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, (Previously, Mount Sinai School of Medicine), 10029, New York, NY, USA
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6
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Zhou R, Hua Y, Yang L, Bao B, Lin Q, Zhu L. Reinforced hydrogel network building by a rapid dual-photo-coupling reaction for 3D printing. Chem Commun (Camb) 2023; 59:1963-1966. [PMID: 36722975 DOI: 10.1039/d2cc05677a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A facile hydrogel fabrication strategy based on a simultaneous dual-photo-coupling reaction (i.e., photoinduced S-nitrosylation and Schiff base reaction) was reported. This strategy allowed a strengthened three-arm crosslinking network to form in one step and the hydrogels obtained displayed rapid gelation, excellent mechanical strength and biocompatibility for cell encapsulated-3D printing in real time. Our hydrogel fabrication strategy will likely foster advances in biomaterials and the extreme speed and reinforced mechanical strength should significantly benefit 3D printing and related applications.
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Affiliation(s)
- Renjie Zhou
- Optogenetics & Synthetic Biology Interdisciplinary Research Center, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130# Meilong Road, Shanghai 200237, China.,School of Mechanics, East China University of Science and Technology, 130# Meilong Road, Shanghai, 200237, China
| | - Yujie Hua
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Key Laboratory of Tissue Engineering, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Lipeng Yang
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China.
| | - Bingkun Bao
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China.
| | - Qiuning Lin
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China.
| | - Linyong Zhu
- Optogenetics & Synthetic Biology Interdisciplinary Research Center, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130# Meilong Road, Shanghai 200237, China.,School of Mechanics, East China University of Science and Technology, 130# Meilong Road, Shanghai, 200237, China.,School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China.
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7
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Ellis‐Davies GCR. Reverse Engineering Caged Compounds: Design Principles for their Application in Biology. Angew Chem Int Ed Engl 2023. [DOI: 10.1002/ange.202206083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Graham C. R. Ellis‐Davies
- Department of Neuroscience Icahn School of Medicine at Mount Sinai (Previously, Mount Sinai School of Medicine) 10029 New York NY USA
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8
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Enhancing Two-Photon Uncaging Sensitivity in Symmetrical Dimeric Conjugated Coumarin Cages: Role of the Coupling Core. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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9
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Nguyen LTB, Wu CL, Lin TC, Abe M. Tris(4'-Nitrobiphenyl)amine─An Octupolar Chromophore with High Two-Photon Absorption Cross-Section and Its Application for Uncaging of Calcium Ions in the Near-Infrared Region. J Org Chem 2022; 87:15888-15898. [PMID: 36356056 DOI: 10.1021/acs.joc.2c01987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Compounds with high two-photon absorption (2PA) performance in the near-infrared region have attracted great attention because of their application in the material and biological science. In this study, we have developed a simple and novel octupolar chromophore, tris(4'-nitrobiphenyl)amine 1, with three nitro peripheral groups attached to a triphenylamine core via biphenyl linkers. A mono-branched analogue 2 has also been prepared to investigate the effects of octupolar and dipolar systems on photophysical and 2PA behaviors. Compound 1, despite having a much simpler structure than the previous three-branched scaffolds, exhibits comparable σ2 values, reaching 1330 GM at 730 nm and 900 GM at 820 nm in toluene. Combined with an outstanding σ2/MW ratio (2.2 GM g-1 mol) and a high fluorescence quantum yield (0.51), 1 displays potential as a promising two-photon (2P) probe for bioimaging. Subsequently, the ethylene glycol tetraacetic acid-substituted derivatives featuring octupolar (3 and 5) or dipolar (4 and 6) character have been synthesized and their one-photon (1P) and 2P photochemical reactions have been examined. Finally, 1P- and 2P-triggered uncaging of Ca2+ from these calcium chelators has been confirmed.
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Affiliation(s)
- Linh Tran Bao Nguyen
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima739-8526, Japan
| | - Cheng-Lin Wu
- Photonic Materials Research Laboratory, Department of Chemistry, National Central University, Jhong-Li District, Taoyuan City32001, Taiwan
| | - Tzu-Chau Lin
- Photonic Materials Research Laboratory, Department of Chemistry, National Central University, Jhong-Li District, Taoyuan City32001, Taiwan.,NCU-Covestro Research Center, National Central University, Jhong-Li District, Taoyuan City32001, Taiwan
| | - Manabu Abe
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima739-8526, Japan.,Hiroshima University Research Center for Photo-Drug-Delivery Systems (HiU-P-DDS), Hiroshima University, Higashi-Hiroshima, Hiroshima739-8526, Japan
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10
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Shigemoto AK, Bhattacharjee A, Hickey EE, Boyd HJ, McCormick TM, Burdette SC. Improved Photodecarboxylation Properties in Zinc Photocages Constructed Using
m‐
Nitrophenylacetic Acid Variants**. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202200102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Austin K. Shigemoto
- Department of Chemistry and Biochemistry Worcester Polytechnic Institute 100 Institute Road Worcester MA-01609-2280 USA
| | - Avik Bhattacharjee
- Department of Chemistry Portland State University Portland Oregon 97201 USA
| | - Erin E. Hickey
- Department of Chemistry and Biochemistry Worcester Polytechnic Institute 100 Institute Road Worcester MA-01609-2280 USA
| | - Hallee Jade Boyd
- Department of Chemistry and Biochemistry Worcester Polytechnic Institute 100 Institute Road Worcester MA-01609-2280 USA
| | | | - Shawn C. Burdette
- Department of Chemistry and Biochemistry Worcester Polytechnic Institute 100 Institute Road Worcester MA-01609-2280 USA
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11
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Is it possible to ”simply” predict the photoejection of a cation? Example of azacrown-substituted [(bpy)Re(CO)3L]+ complexes. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Gupta A, Gautam A, Sasmal PK. Photoactivatable o-Hydroxycinnamic Platforms for Bioimaging and Therapeutic Release. J Med Chem 2022; 65:5274-5287. [PMID: 35344364 DOI: 10.1021/acs.jmedchem.2c00022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Photoactivatable or photoremovable protecting groups (PPGs) have become a powerful material and gained enormous interest in the field of biomedical applications. PPGs have been utilized for noninvasive, on-demand, spatio-temporal controlled release of biological effectors by irradiation with light to induce biochemical function. Over the past few years, o-hydroxycinnamate (oHC)-based PPGs have received considerable attention for the release of molecules of interest by either UV (one-photon) or near-IR (two-photon) irradiation. In this miniperspective, we have summarized the development of oHC PPGs for bioimaging and the controlled release of therapeutics, bioactive volatiles and other payloads with real-time monitoring. In addition, several future perspectives of oHC systems have been highlighted at the end of this miniperspective.
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Affiliation(s)
- Ajay Gupta
- School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Aryan Gautam
- School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Pijus K Sasmal
- School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
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13
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Wang Z, Martin SF. Design, Synthesis and Evaluation of Novel Carbazole‐Derived Photocages. Chemistry 2022; 28:e202200311. [DOI: 10.1002/chem.202200311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Indexed: 12/13/2022]
Affiliation(s)
- Zhipeng Wang
- Department of Chemistry The University of Texas at Austin Austin Texas 78712 USA
| | - Stephen F. Martin
- Department of Chemistry The University of Texas at Austin Austin Texas 78712 USA
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14
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Agarwal HK, Janicek R, Zhao J, Sambath K, Egger M, Niggli E, Ellis-Davies GCR. The yin and yang of intracellular delivery of amphipathic optical probes using n-butyl charge masking. Chem Commun (Camb) 2022; 58:2826-2829. [PMID: 35112125 PMCID: PMC9502023 DOI: 10.1039/d1cc06792c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Monitoring and manipulation of ionized intracellular calcium concentrations within intact, living cells using optical probes with organic chromophores is a core method for cell physiology. Since all these probes have multiple negative charges, they must be smuggled through the plasma membrane in a transiently neutral form, with intracellular esterases used to deprotect the masked anions. Here we explore the ability of the synthetically easily accessible n-butyl ester protecting group to deliver amphipathic cargoes to the cytosol. We show that the size of the caging chromophore conditions the ability of intracellular probe delivery and esterase charge unmasking.
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Affiliation(s)
- Hitesh K. Agarwal
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY 10029, USA.,School of Pharmacy, South University, Savannah, GA 31406, USA
| | | | - Jun Zhao
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY 10029, USA.
| | - Karthik Sambath
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY 10029, USA.
| | - Marcel Egger
- Department of Physiology, University of Bern, Bern, Switzerland
| | - Ernst Niggli
- Department of Physiology, University of Bern, Bern, Switzerland
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15
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Pham TTT, Chitose Y, Tam TTT, Tseng WL, Lin TC, Abe M. Impact of Five-membered Heterocyclic Rings on Photophysical Properties Including Two-photon Absorption Character. CHEM LETT 2021. [DOI: 10.1246/cl.210420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Thuy Thi Thu Pham
- Department of Chemistry, Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Youhei Chitose
- Department of Chemistry, Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Tran Thi Thanh Tam
- Department of Chemistry, Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Wei-Lun Tseng
- Photonic Materials Research Laboratory, Department of Chemistry, National Central University, Jhong-Li District, Taoyuan City 32001, Taiwan
| | - Tzu-Chau Lin
- Photonic Materials Research Laboratory, Department of Chemistry, National Central University, Jhong-Li District, Taoyuan City 32001, Taiwan
- NCU-Covestro Research Center, National Central University, Jhong-Li District, Taoyuan City 32001, Taiwan
| | - Manabu Abe
- Department of Chemistry, Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
- Hiroshima University Research Center for Photo-Drug Delivery Systems, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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16
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Lechner VM, Nappi M, Deneny PJ, Folliet S, Chu JCK, Gaunt MJ. Visible-Light-Mediated Modification and Manipulation of Biomacromolecules. Chem Rev 2021; 122:1752-1829. [PMID: 34546740 DOI: 10.1021/acs.chemrev.1c00357] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Chemically modified biomacromolecules-i.e., proteins, nucleic acids, glycans, and lipids-have become crucial tools in chemical biology. They are extensively used not only to elucidate cellular processes but also in industrial applications, particularly in the context of biopharmaceuticals. In order to enable maximum scope for optimization, it is pivotal to have a diverse array of biomacromolecule modification methods at one's disposal. Chemistry has driven many significant advances in this area, and especially recently, numerous novel visible-light-induced photochemical approaches have emerged. In these reactions, light serves as an external source of energy, enabling access to highly reactive intermediates under exceedingly mild conditions and with exquisite spatiotemporal control. While UV-induced transformations on biomacromolecules date back decades, visible light has the unmistakable advantage of being considerably more biocompatible, and a spectrum of visible-light-driven methods is now available, chiefly for proteins and nucleic acids. This review will discuss modifications of native functional groups (FGs), including functionalization, labeling, and cross-linking techniques as well as the utility of oxidative degradation mediated by photochemically generated reactive oxygen species. Furthermore, transformations at non-native, bioorthogonal FGs on biomacromolecules will be addressed, including photoclick chemistry and DNA-encoded library synthesis as well as methods that allow manipulation of the activity of a biomacromolecule.
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Affiliation(s)
- Vivian M Lechner
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Manuel Nappi
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Patrick J Deneny
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Sarah Folliet
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - John C K Chu
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Matthew J Gaunt
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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17
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Janicek R, Agarwal H, Gómez AM, Egger M, Ellis-Davies GCR, Niggli E. Local recovery of cardiac calcium-induced calcium release interrogated by ultra-effective, two-photon uncaging of calcium. J Physiol 2021; 599:3841-3852. [PMID: 34245001 PMCID: PMC8456848 DOI: 10.1113/jp281482] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 07/09/2021] [Indexed: 11/09/2022] Open
Abstract
Key points In cardiac myocytes, subcellular local calcium release signals, calcium sparks, are recruited to form each cellular calcium transient and activate the contractile machinery. Abnormal timing of recovery of sparks after their termination may contribute to arrhythmias. We developed a method to interrogate recovery of calcium spark trigger probabilities and their amplitude over time using two‐photon photolysis of a new ultra‐effective caged calcium compound. The findings confirm the utility of the technique to define an elevated sensitivity of the calcium release mechanism in situ and to follow hastened recovery of spark trigger probabilities in a mouse model of an inherited cardiac arrhythmia, which was used for validation. Analogous methods are likely to be applicable to investigate other microscopic subcellular signalling systems in a variety of cell types.
Abstract In cardiac myocytes Ca2+‐induced Ca2+ release (CICR) from the sarcoplasmic reticulum (SR) through ryanodine receptors (RyRs) governs activation of contraction. Ca2+ release occurs via subcellular Ca2+ signalling events, Ca2+ sparks. Local recovery of Ca2+ release depends on both SR refilling and restoration of Ca2+ sensitivity of the RyRs. We used two‐photon (2P) photolysis of the ultra‐effective caged Ca2+ compound BIST‐2EGTA and laser‐scanning confocal Ca2+ imaging to probe refractoriness of local Ca2+ release in control conditions and in the presence of cAMP or low‐dose caffeine (to stimulate CICR) or cyclopiazonic acid (CPA; to slow SR refilling). Permeabilized cardiomyocytes were loaded with BIST‐2EGTA and rhod‐2. Pairs of short 2P photolytic pulses (1 ms, 810 nm) were applied with different intervals to test Ca2+ release amplitude recovery and trigger probability for the second spark in a pair. Photolytic and biological events were distinguished by classification with a self‐learning support vector machine (SVM) algorithm. In permeabilized myocytes data recorded in the presence of CPA showed a lower probability of triggering a second spark compared to control or cAMP conditions. Cardiomyocytes from a mouse model harbouring the arrhythmogenic RyRR420Q mutation were used for further validation and revealed a higher Ca2+ sensitivity of CICR. This new 2P approach provides composite information of Ca2+ release amplitude and trigger probability recovery reflecting both SR refilling and restoration of CICR and RyR Ca2+ sensitivity. It can be used to measure the kinetics of local CICR recovery, alterations of which may be related to premature heart beats and arrhythmias. In cardiac myocytes, subcellular local calcium release signals, calcium sparks, are recruited to form each cellular calcium transient and activate the contractile machinery. Abnormal timing of recovery of sparks after their termination may contribute to arrhythmias. We developed a method to interrogate recovery of calcium spark trigger probabilities and their amplitude over time using two‐photon photolysis of a new ultra‐effective caged calcium compound. The findings confirm the utility of the technique to define an elevated sensitivity of the calcium release mechanism in situ and to follow hastened recovery of spark trigger probabilities in a mouse model of an inherited cardiac arrhythmia, which was used for validation. Analogous methods are likely to be applicable to investigate other microscopic subcellular signalling systems in a variety of cell types.
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Affiliation(s)
| | - Hitesh Agarwal
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY, USA
| | - Ana M Gómez
- Signaling and cardiovascular pathophysiology - UMR-S 1180, Inserm, Université Paris-Saclay, Châtenay-Malabry, France
| | - Marcel Egger
- Department of Physiology, University of Bern, Bern, Switzerland
| | | | - Ernst Niggli
- Department of Physiology, University of Bern, Bern, Switzerland
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18
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Elamri I, Abdellaoui C, Bains JK, Hohmann KF, Gande SL, Stirnal E, Wachtveitl J, Schwalbe H. Wavelength-Selective Uncaging of Two Different Photoresponsive Groups on One Effector Molecule for Light-Controlled Activation and Deactivation. J Am Chem Soc 2021; 143:10596-10603. [PMID: 34236854 DOI: 10.1021/jacs.1c02817] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Photocleavable protecting groups (PPGs) play a pivotal role in numerous studies. They enable controlled release of small effector molecules to induce biochemical function. The number of PPGs attached to a variety of effector molecules has grown rapidly in recent years satisfying the high demand for new applications. However, until now molecules carrying PPGs have been designed to activate function only in a single direction, namely the release of the effector molecule. Herein, we present the new approach Two-PPGs-One-Molecule (TPOM) that exploits the orthogonal photolysis of two photoprotecting groups to first release the effector molecule and then to modify it to suppress its induced effect. The moiety resembling the tyrosyl side chain of the translation inhibitor puromycin was synthetically modified to the photosensitive ortho-nitrophenylalanine that cyclizes upon near UV-irradiation to an inactive puromycin cinnoline derivative. Additionally, the modified puromycin analog was protected by the thio-coumarylmethyl group as the second PPG. This TPOM strategy allows an initial wavelength-selective activation followed by a second light-induced deactivation. Both photolysis processes were spectroscopically studied in the UV/vis- and IR-region. In combination with quantum-chemical calculations and time-resolved NMR spectroscopy, the photoproducts of both activation and deactivation steps upon illumination were characterized. We further probed the translation inhibition effect of the new synthesized puromycin analog upon light activation/deactivation in a cell-free GFP translation assay. TPOM as a new method for precise triggering activation/deactivation of effector molecules represents a valuable addition for the control of biological processes with light.
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Affiliation(s)
- Isam Elamri
- Institute of Organic Chemistry and Chemical Biology, Goethe-University Frankfurt, Frankfurt am Main 60438, Germany
| | - Chahinez Abdellaoui
- Institute of Physical and Theoretical Chemistry, Goethe-University Frankfurt, Frankfurt am Main 60438, Germany
| | - Jasleen Kaur Bains
- Institute of Organic Chemistry and Chemical Biology, Goethe-University Frankfurt, Frankfurt am Main 60438, Germany
| | - Katharina Felicitas Hohmann
- Institute of Organic Chemistry and Chemical Biology, Goethe-University Frankfurt, Frankfurt am Main 60438, Germany
| | - Santosh Lakshmi Gande
- Institute of Organic Chemistry and Chemical Biology, Goethe-University Frankfurt, Frankfurt am Main 60438, Germany
| | - Elke Stirnal
- Institute of Organic Chemistry and Chemical Biology, Goethe-University Frankfurt, Frankfurt am Main 60438, Germany
| | - Josef Wachtveitl
- Institute of Physical and Theoretical Chemistry, Goethe-University Frankfurt, Frankfurt am Main 60438, Germany
| | - Harald Schwalbe
- Institute of Organic Chemistry and Chemical Biology, Goethe-University Frankfurt, Frankfurt am Main 60438, Germany
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19
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Wang T, Ulrich H, Semyanov A, Illes P, Tang Y. Optical control of purinergic signaling. Purinergic Signal 2021; 17:385-392. [PMID: 34156578 PMCID: PMC8410941 DOI: 10.1007/s11302-021-09799-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 06/07/2021] [Indexed: 12/29/2022] Open
Abstract
Purinergic signaling plays a pivotal role in physiological processes and pathological conditions. Over the past decades, conventional pharmacological, biochemical, and molecular biology techniques have been utilized to investigate purinergic signaling cascades. However, none of them is capable of spatially and temporally manipulating purinergic signaling cascades. Currently, optical approaches, including optopharmacology and optogenetic, enable controlling purinergic signaling with low invasiveness and high spatiotemporal precision. In this mini-review, we discuss optical approaches for controlling purinergic signaling and their applications in basic and translational science.
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Affiliation(s)
- Tao Wang
- International Collaborative Centre On Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China
| | - Henning Ulrich
- International Collaborative Centre On Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Alexey Semyanov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Sechenov First Moscow State Medical University, Moscow, Russia
| | - Peter Illes
- International Collaborative Centre On Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China. .,Rudolf Boehm Institute for Pharmacology and Toxicology, University of Leipzig, Leipzig, Germany.
| | - Yong Tang
- International Collaborative Centre On Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China. .,Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China.
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20
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Chiovini B, Pálfi D, Majoros M, Juhász G, Szalay G, Katona G, Szőri M, Frigyesi O, Lukácsné Haveland C, Szabó G, Erdélyi F, Máté Z, Szadai Z, Madarász M, Dékány M, Csizmadia IG, Kovács E, Rózsa B, Mucsi Z. Theoretical Design, Synthesis, and In Vitro Neurobiological Applications of a Highly Efficient Two-Photon Caged GABA Validated on an Epileptic Case. ACS OMEGA 2021; 6:15029-15045. [PMID: 34151084 PMCID: PMC8210458 DOI: 10.1021/acsomega.1c01164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 05/20/2021] [Indexed: 06/13/2023]
Abstract
In this paper, we present an additional, new cage-GABA compound, called 4-amino-1-(4'-dimethylaminoisopropoxy-5',7'-dinitro-2',3'-dihydro-indol-1-yl)-1-oxobutane-γ-aminobutyric acid (iDMPO-DNI-GABA), and currently, this compound is the only photoreagent, which can be applied for GABA uncaging without experimental compromises. By a systematic theoretical design and successful synthesis of several compounds, the best reagent exhibits a high two-photon efficiency within the 700-760 nm range with excellent pharmacological behavior, which proved to be suitable for a complex epileptic study. Quantum chemical design showed that the optimal length of the cationic side chain enhances the two-photon absorption by 1 order of magnitude due to the cooperating internal hydrogen bonding to the extra nitro group on the core. This feature increased solubility while suppressing membrane permeability. The efficiency was demonstrated in a systematic, wide range of in vitro single-cell neurophysiological experiments by electrophysiological as well as calcium imaging techniques. Scalable inhibitory ion currents were elicited by iDMPO-DNI-GABA with appropriate spatial-temporal precision, blocking both spontaneous and evoked cell activity with excellent efficiency. Additionally, to demonstrate its applicability in a real neurobiological study, we could smoothly and selectively modulate neuronal activities during artificial epileptic rhythms first time in a neural network of GCaMP6f transgenic mouse brain slices.
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Affiliation(s)
- Balázs Chiovini
- The
Faculty of Information Technology, Pázmány
Péter Catholic University, 50 Práter str., H-1083 Budapest, Hungary
- Laboratory
of 3D Functional Network and Dendritic Imaging, Institute of Experimental Medicine, 43 Szigony str., H-1083 Budapest, Hungary
| | - Dénes Pálfi
- The
Faculty of Information Technology, Pázmány
Péter Catholic University, 50 Práter str., H-1083 Budapest, Hungary
| | - Myrtill Majoros
- The
Faculty of Information Technology, Pázmány
Péter Catholic University, 50 Práter str., H-1083 Budapest, Hungary
| | - Gábor Juhász
- The
Faculty of Information Technology, Pázmány
Péter Catholic University, 50 Práter str., H-1083 Budapest, Hungary
- Laboratory
of 3D Functional Network and Dendritic Imaging, Institute of Experimental Medicine, 43 Szigony str., H-1083 Budapest, Hungary
| | - Gergely Szalay
- Laboratory
of 3D Functional Network and Dendritic Imaging, Institute of Experimental Medicine, 43 Szigony str., H-1083 Budapest, Hungary
| | - Gergely Katona
- Laboratory
of 3D Functional Network and Dendritic Imaging, Institute of Experimental Medicine, 43 Szigony str., H-1083 Budapest, Hungary
| | - Milán Szőri
- Institute
of Chemistry, Faculty of Materials Science and Engineering, University of Miskolc, H-3515 Miskolc, Hungary
| | - Orsolya Frigyesi
- Chemistry
Department, Femtonics Limited, Tűzoltó str. 59, H-1094 Budapest, Hungary
| | | | - Gábor Szabó
- Transgenic
Facility, Institute of Experimental Medicine, 43 Szigony str., H-1083 Budapest, Hungary
| | - Ferenc Erdélyi
- Transgenic
Facility, Institute of Experimental Medicine, 43 Szigony str., H-1083 Budapest, Hungary
| | - Zoltán Máté
- Transgenic
Facility, Institute of Experimental Medicine, 43 Szigony str., H-1083 Budapest, Hungary
| | - Zoltán Szadai
- The
Faculty of Information Technology, Pázmány
Péter Catholic University, 50 Práter str., H-1083 Budapest, Hungary
| | - Miklós Madarász
- Laboratory
of 3D Functional Network and Dendritic Imaging, Institute of Experimental Medicine, 43 Szigony str., H-1083 Budapest, Hungary
| | - Miklós Dékány
- Gedeon Richter
Plc, Gyömrői
str. 19-21, H-1103 Budapest, Hungary
| | - Imre G. Csizmadia
- Department
of Chemistry, University of Toronto, 80 St. George Street, M5S 3H6 Toronto, Ontario, Canada
| | - Ervin Kovács
- Chemistry
Department, Femtonics Limited, Tűzoltó str. 59, H-1094 Budapest, Hungary
- Institute
of Materials and Environmental Chemistry, Research Centre for Natural Sciences, 2 Magyar tudósok körútja, H-1117 Budapest, Hungary
| | - Balázs Rózsa
- The
Faculty of Information Technology, Pázmány
Péter Catholic University, 50 Práter str., H-1083 Budapest, Hungary
- Laboratory
of 3D Functional Network and Dendritic Imaging, Institute of Experimental Medicine, 43 Szigony str., H-1083 Budapest, Hungary
| | - Zoltán Mucsi
- Institute
of Chemistry, Faculty of Materials Science and Engineering, University of Miskolc, H-3515 Miskolc, Hungary
- Chemistry
Department, Femtonics Limited, Tűzoltó str. 59, H-1094 Budapest, Hungary
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21
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Zhu D, Feng L, Feliu N, Guse AH, Parak WJ. Stimulation of Local Cytosolic Calcium Release by Photothermal Heating for Studying Intra- and Intercellular Calcium Waves. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2008261. [PMID: 33949733 DOI: 10.1002/adma.202008261] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/16/2021] [Indexed: 06/12/2023]
Abstract
A methodology is described that allows for localized Ca2+ release by photoexcitation. For this, cells are loaded with polymer capsules with integrated plasmonic nanoparticles, which reside in endo-lysosomes. The micrometer-sized capsules can be individually excited by near-infrared light from a light pointer, causing photothermal heating, upon which there is a rise in the free cytosolic Ca2+ concentration ([Ca2+ ]i ). The [Ca2+ ]i can be analyzed with a Ca2+ indicator fluorophore. In this way, it is possible to excite local lysosomal Ca2+ release in a desired target cell.
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Affiliation(s)
- Dingcheng Zhu
- Fachbereich Physik, CHyN, Universität Hamburg, Luruper Chaussee 149, 22761, Hamburg, Germany
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Yuhangtang road 2318, Hangzhou, 311121, China
| | - Lili Feng
- Fachbereich Physik, CHyN, Universität Hamburg, Luruper Chaussee 149, 22761, Hamburg, Germany
| | - Neus Feliu
- Fachbereich Physik, CHyN, Universität Hamburg, Luruper Chaussee 149, 22761, Hamburg, Germany
- CAN, Fraunhofer Institut, Grindelallee 117, 20146, Hamburg, Germany
| | - Andreas H Guse
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Wolfgang J Parak
- Fachbereich Physik, CHyN, Universität Hamburg, Luruper Chaussee 149, 22761, Hamburg, Germany
- National Engineering Center for Nanotechnology (NECN), Shanghai Jiao Tong University, Dongchuan road 800, Shanghai, 200240, China
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22
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Photolytical reactions for light induced biological effectors release: on the road to the phototherapeutic window. J INCL PHENOM MACRO 2021. [DOI: 10.1007/s10847-021-01071-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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23
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Pham TTT, Jakkampudi S, Furukawa K, Cheng FY, Lin TC, Nakamura Y, Morioka N, Abe M. p-Nitroterphenyl units for near-infrared two-photon uncaging of calcium ions. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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24
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Weinstain R, Slanina T, Kand D, Klán P. Visible-to-NIR-Light Activated Release: From Small Molecules to Nanomaterials. Chem Rev 2020; 120:13135-13272. [PMID: 33125209 PMCID: PMC7833475 DOI: 10.1021/acs.chemrev.0c00663] [Citation(s) in RCA: 261] [Impact Index Per Article: 65.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Indexed: 02/08/2023]
Abstract
Photoactivatable (alternatively, photoremovable, photoreleasable, or photocleavable) protecting groups (PPGs), also known as caged or photocaged compounds, are used to enable non-invasive spatiotemporal photochemical control over the release of species of interest. Recent years have seen the development of PPGs activatable by biologically and chemically benign visible and near-infrared (NIR) light. These long-wavelength-absorbing moieties expand the applicability of this powerful method and its accessibility to non-specialist users. This review comprehensively covers organic and transition metal-containing photoactivatable compounds (complexes) that absorb in the visible- and NIR-range to release various leaving groups and gasotransmitters (carbon monoxide, nitric oxide, and hydrogen sulfide). The text also covers visible- and NIR-light-induced photosensitized release using molecular sensitizers, quantum dots, and upconversion and second-harmonic nanoparticles, as well as release via photodynamic (photooxygenation by singlet oxygen) and photothermal effects. Release from photoactivatable polymers, micelles, vesicles, and photoswitches, along with the related emerging field of photopharmacology, is discussed at the end of the review.
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Affiliation(s)
- Roy Weinstain
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Tomáš Slanina
- Institute
of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague, Czech Republic
| | - Dnyaneshwar Kand
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Petr Klán
- Department
of Chemistry and RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
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25
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Josa‐Culleré L, Llebaria A. In the Search for Photocages Cleavable with Visible Light: An Overview of Recent Advances and Chemical Strategies. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.202000253] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Laia Josa‐Culleré
- Laboratory of Medicinal Chemistry Institute for Advanced Chemistry of Catalonia (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
| | - Amadeu Llebaria
- Laboratory of Medicinal Chemistry Institute for Advanced Chemistry of Catalonia (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
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26
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López-Corrales M, Rovira A, Gandioso A, Bosch M, Nonell S, Marchán V. Transformation of COUPY Fluorophores into a Novel Class of Visible-Light-Cleavable Photolabile Protecting Groups. Chemistry 2020; 26:16222-16227. [PMID: 32530072 DOI: 10.1002/chem.202002314] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Indexed: 12/29/2022]
Abstract
Although photolabile protecting groups (PPGs) have found widespread applications in several fields of chemistry, biology and materials science, there is a growing interest in expanding the photochemical toolbox to overcome some of the limitations of classical caging groups. In this work, the synthesis of a new class of visible-light-sensitive PPGs based on low-molecular weight COUPY fluorophores with several attractive properties, including long-wavelength absorption, is reported. Besides being stable to spontaneous hydrolysis in the dark, COUPY-based PPGs can be efficiently photoactivated with yellow (560 nm) and red light (620 nm) under physiological-like conditions, thereby offering the possibility of unmasking functional groups from COUPY photocages under irradiation conditions in which other PPGs remain stable. Additionally, COUPY photocages exhibit excellent cellular uptake and accumulate selectively in mitochondria, opening the door to the delivery of caged analogues of biologically active compounds into these organelles.
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Affiliation(s)
- Marta López-Corrales
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain
| | - Anna Rovira
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain
| | - Albert Gandioso
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain
| | - Manel Bosch
- Unitat de Microscòpia Òptica Avançada, Centres Científics i Tecnològics, Universitat de Barcelona, Av. Diagonal, 643, 08028, Barcelona, Spain
| | - Santi Nonell
- Institut Químic de Sarrià, Universitat Ramon Llull, Vía Augusta 390, 08017, Barcelona, Spain
| | - Vicente Marchán
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain
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Abstract
Light has been instrumental in the study of living cells since its use helped in their discovery in the late 17th century. Further, combining chemical technology with light microscopy was an essential part of the Nobel Prize for Physiology in 1906. Such landmark scientific findings involved passive observation of cells. However, over the past 50 years, a "second use" of light has emerged in cell physiology, namely one of rational control. The seminal method for this emerged in late 1970s with the invention of caged compounds. This was the point when "caged compounds" were defined as optical probes in which the active functionality of a physiological signaling molecule was blocked with a photochemical protecting group. Caged compounds are analogous to prodrugs; in both, the activity of the effector is latent. However, caged compounds, unlike prodrugs, use a trigger that confers the power of full temporal and spatial manipulation of the effects of release of its latent biological cargo. Light is distinct because it is bio-orthogonal, passes through living tissue (even into the cell interior), and initiates rapid release of the "caged" biomolecule. Further, because light can be directed to broad areas or focused to small points, caged compounds offer an array of timing scenarios for physiologists to dissect virtually any type of cellular process.The collaborative interaction between chemists and physiologists plays a fundamental role in the development of caged compounds. First, the physiologists must define the problem to be addressed; then, with the help of chemists, decide if a caged compound would be useful. For this, structure-activity relationships of the potential optical probe and receptor must be determined. If rational targets seem feasible, synthetic organic chemistry is used to make the caged compound. The crucial property of prephotolysis bio-inertness relies on physiological or biochemical assays. Second, detailed optical characterization of the caged compound requires the skill of photochemists because the rate and efficiency of uncaging are also crucial properties for a useful caged compound. Often, these studies reveal limitations in the caged compound which has been developed; thus, chemists and physiologists use their abilities for iterative development of even more powerful optical probes. A similar dynamic will be familiar to scientists in the pharmaceutical industry. Therefore, caged compound development provides an excellent training framework for (young) chemists both intellectually and professionally. In this Account, I draw on my long experience in the field of making useful caged compounds for cell physiology by showing how each probe I have developed has been defined by an important physiological problem. Fundamental to this process has been my initial training by the pioneers in aromatic photochemistry, Derek Bryce-Smith and Andrew Gilbert. I discuss making a range of "caged calcium" probes, ones which went on to be the most widely used of all caged compounds. Then, I describe the development of caged neurotransmitters for two-photon uncaging microscopy. Finally, I survey recent work on making new photochemical protecting groups for wavelength orthogonal, two-color, and ultraefficient two-photon uncaging.
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Affiliation(s)
- Graham C R Ellis-Davies
- Department of Neuroscience, Mount Sinai School of Medicine, New York, New York 10029, United States
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28
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Loredo A, Tang J, Wang L, Wu KL, Peng Z, Xiao H. Tetrazine as a general phototrigger to turn on fluorophores. Chem Sci 2020; 11:4410-4415. [PMID: 33384859 PMCID: PMC7690217 DOI: 10.1039/d0sc01009j] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 04/02/2020] [Indexed: 12/18/2022] Open
Abstract
Light-activated fluorescence affords a powerful tool for monitoring subcellular structures and dynamics with enhanced temporal and spatial control of the fluorescence signal. Here, we demonstrate a general and straightforward strategy for using a tetrazine phototrigger to design photoactivatable fluorophores that emit across the visible spectrum. Tetrazine is known to efficiently quench the fluorescence of various fluorophores via a mechanism referred to as through-bond energy transfer. Upon light irradiation, restricted tetrazine moieties undergo a photolysis reaction that generates two nitriles and molecular nitrogen, thus restoring the fluorescence of fluorophores. Significantly, we find that this strategy can be successfully translated and generalized to a wide range of fluorophore scaffolds. Based on these results, we have used this mechanism to design photoactivatable fluorophores targeting cellular organelles and proteins. Compared to widely used phototriggers (e.g., o-nitrobenzyl and nitrophenethyl groups), this study affords a new photoactivation mechanism, in which the quencher is photodecomposed to restore the fluorescence upon light irradiation. Because of the exclusive use of tetrazine as a photoquencher in the design of fluorogenic probes, we anticipate that our current study will significantly facilitate the development of novel photoactivatable fluorophores.
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Affiliation(s)
- Axel Loredo
- Department of Chemistry , Rice University , 6100 Main Street , Houston , Texas 77005 , USA .
| | - Juan Tang
- Department of Chemistry , Rice University , 6100 Main Street , Houston , Texas 77005 , USA .
| | - Lushun Wang
- Department of Chemistry , Rice University , 6100 Main Street , Houston , Texas 77005 , USA .
| | - Kuan-Lin Wu
- Department of Chemistry , Rice University , 6100 Main Street , Houston , Texas 77005 , USA .
| | - Zane Peng
- Department of Biosciences , Rice University , 6100 Main Street , Houston , Texas 77005 , USA
| | - Han Xiao
- Department of Chemistry , Rice University , 6100 Main Street , Houston , Texas 77005 , USA .
- Department of Biosciences , Rice University , 6100 Main Street , Houston , Texas 77005 , USA
- Department of Bioengineering , Rice University , 6100 Main Street , Houston , Texas 77005 , USA
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Shin JE, Ogunyankin MO, Zasadzinski JA. Near Infrared-Triggered Liposome Cages for Rapid, Localized Small Molecule Delivery. Sci Rep 2020; 10:1706. [PMID: 32015363 PMCID: PMC6997424 DOI: 10.1038/s41598-020-58764-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 01/17/2020] [Indexed: 11/09/2022] Open
Abstract
Photolabile chelating cages or protecting groups need complex chemical syntheses and require UV, visible, or two-photon NIR light to trigger release. Different cages have different solubilities, reaction rates, and energies required for triggering. Here we show that liposomes containing calcium, adenosine triphosphate, or carboxyfluorescein are tethered to plasmon-resonant hollow gold nanoshells (HGN) tuned to absorb light from 650-950 nm. Picosecond pulses of near infrared (NIR) light provided by a two-photon microscope, or by a stand-alone laser during flow through microfluidic channels, trigger contents release with spatial and temporal control. NIR light adsorption heats the HGN, inducing vapor nanobubbles that rupture the liposome, releasing cargo within milliseconds. Any water-soluble molecule can be released at essentially the same rate from the liposome-HGN. By using liposomes of different composition, or HGN of different sizes or shapes with different nanobubble threshold fluences, or irradiating on or off resonance, two different cargoes can be released simultaneously, one before the other, or in a desired ratio. Calcium release from liposome-HGN can be spatially patterned to crosslink alginate gels and trap living cells. Liposome-HGN provide stable, biocompatible isolation of the bioactive compound from its surroundings with minimal interactions with the local environment.
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Affiliation(s)
- Jeong Eun Shin
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota, 55455, USA
| | - Maria O Ogunyankin
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota, 55455, USA.,Bristol, Myers, Squibb, 1 Squibb Drive, New Brunswick, NJ, 08902, USA
| | - Joseph A Zasadzinski
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota, 55455, USA.
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Ducrot A, Tron A, Bofinger R, Sanz Beguer I, Pozzo JL, McClenaghan ND. Photoreversible stretching of a BAPTA chelator marshalling Ca 2+-binding in aqueous media. Beilstein J Org Chem 2019; 15:2801-2811. [PMID: 31807215 PMCID: PMC6880838 DOI: 10.3762/bjoc.15.273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Accepted: 11/08/2019] [Indexed: 01/04/2023] Open
Abstract
Free calcium ion concentration is known to govern numerous biological processes and indeed calcium acts as an important biological secondary messenger for muscle contraction, neurotransmitter release, ion-channel gating, and exocytosis. As such, the development of molecules with the ability to instantaneously increase or diminish free calcium concentrations potentially allows greater control over certain biological functions. In order to permit remote regulation of Ca2+, a selective BAPTA-type synthetic receptor / host was integrated with a photoswitchable azobenzene motif, which upon photoirradiation would enhance (or diminish) the capacity to bind calcium upon acting on the conformation of the adjacent binding site, rendering it a stronger or weaker binder. Photoswitching was studied in pseudo-physiological conditions (pH 7.2, [KCl] = 100 mM) and dissociation constants for azobenzene cis- and trans-isomers have been determined (0.230 μM and 0.102 μM, respectively). Reversible photoliberation/uptake leading to a variation of free calcium concentration in solution was detected using a fluorescent Ca2+ chemosensor.
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Affiliation(s)
- Aurélien Ducrot
- Institut des Sciences Moléculaires, CNRS UMR 5255, Univ. Bordeaux, 351 cours de la Libération, 33405 Talence, France
| | - Arnaud Tron
- Institut des Sciences Moléculaires, CNRS UMR 5255, Univ. Bordeaux, 351 cours de la Libération, 33405 Talence, France
| | - Robin Bofinger
- Institut des Sciences Moléculaires, CNRS UMR 5255, Univ. Bordeaux, 351 cours de la Libération, 33405 Talence, France
| | - Ingrid Sanz Beguer
- Institut des Sciences Moléculaires, CNRS UMR 5255, Univ. Bordeaux, 351 cours de la Libération, 33405 Talence, France
| | - Jean-Luc Pozzo
- Institut des Sciences Moléculaires, CNRS UMR 5255, Univ. Bordeaux, 351 cours de la Libération, 33405 Talence, France
| | - Nathan D McClenaghan
- Institut des Sciences Moléculaires, CNRS UMR 5255, Univ. Bordeaux, 351 cours de la Libération, 33405 Talence, France
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31
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Vorobev AY, Moskalensky AE. Long-wavelength photoremovable protecting groups: On the way to in vivo application. Comput Struct Biotechnol J 2019; 18:27-34. [PMID: 31890141 PMCID: PMC6920508 DOI: 10.1016/j.csbj.2019.11.007] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/19/2019] [Accepted: 11/20/2019] [Indexed: 01/07/2023] Open
Abstract
Photoremovable protective groups (PPGs) and related "caged" compounds have been recognized as a powerful tool in an arsenal of life science methods. The present review is focused on recent advances in design of "caged" compounds which function in red or near-infrared region. The naive comparison of photon energy with that of organic bond leads to the illusion that long-wavelength activation is possible only for weak chemical bonds like N-N. However, there are different means to overcome this threshold and shift the uncaging functionality into red or near-infrared regions for general organic bonds. We overview these strategies, including the novel photochemical and photophysical mechanisms used in newly developed PPGs, singlet-oxygen-mediated photolysis, and two-photon absorption. Recent advances in science places the infrared-sensitive PPGs to the same usability level as traditional ones, facilitating in vivo application of caged compounds.
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Affiliation(s)
- Aleksey Yu. Vorobev
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry SB RAS, 9 Lavrentiev Ave., Novosibirsk 630090, Russia
- Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russia
| | - Alexander E. Moskalensky
- Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russia
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Institutskaya str. 3, Novosibirsk 630090, Russia
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32
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Bojtár M, Kormos A, Kis-Petik K, Kellermayer M, Kele P. Green-Light Activatable, Water-Soluble Red-Shifted Coumarin Photocages. Org Lett 2019; 21:9410-9414. [PMID: 31714093 DOI: 10.1021/acs.orglett.9b03624] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Easily accessible green-light activatable (>500 nm) photocages based on red-shifted, π-extended coumarin scaffolds are developed with uncaging efficiencies similar to those of recently introduced BODIPY derivatives. The photocages possess increased aqueous solubility, high absorption coefficients within the 450-600 nm range, and exceptionally high two-photon cross sections.
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Affiliation(s)
- Márton Bojtár
- Chemical Biology Research Group, Institute of Organic Chemistry , Research Centre for Natural Sciences , H-1117 Magyar tudósok krt 2 , Budapest , Hungary
| | - Attila Kormos
- Chemical Biology Research Group, Institute of Organic Chemistry , Research Centre for Natural Sciences , H-1117 Magyar tudósok krt 2 , Budapest , Hungary
| | - Katalin Kis-Petik
- Faculty of Medicine, Department of Biophysics and Radiation Biology , Semmelweis University , H-1094 Tűzoltó u. 37-47 , Budapest , Hungary
| | - Miklós Kellermayer
- Faculty of Medicine, Department of Biophysics and Radiation Biology , Semmelweis University , H-1094 Tűzoltó u. 37-47 , Budapest , Hungary
| | - Péter Kele
- Chemical Biology Research Group, Institute of Organic Chemistry , Research Centre for Natural Sciences , H-1117 Magyar tudósok krt 2 , Budapest , Hungary
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33
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Richers MT, Passlick S, Agarwal H, Ellis‐Davies GCR. Dendrimer Conjugation Enables Multiphoton Chemical Neurophysiology Studies with an Extended π‐Electron Caging Chromophore. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Matthew T. Richers
- Department of NeuroscienceMount Sinai School of Medicine New York NY 10029 USA
| | - Stefan Passlick
- Department of NeuroscienceMount Sinai School of Medicine New York NY 10029 USA
| | - Hitesh Agarwal
- Department of NeuroscienceMount Sinai School of Medicine New York NY 10029 USA
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34
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Richers MT, Passlick S, Agarwal H, Ellis-Davies GCR. Dendrimer Conjugation Enables Multiphoton Chemical Neurophysiology Studies with an Extended π-Electron Caging Chromophore. Angew Chem Int Ed Engl 2019; 58:12086-12090. [PMID: 31216109 PMCID: PMC6707848 DOI: 10.1002/anie.201906067] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Indexed: 12/19/2022]
Abstract
We have developed a caged neurotransmitter using an extended π-electron chromophore for efficient multiphoton uncaging on living neurons. Widely studied in a chemical context, such chromophores are inherently bioincompatible due to their highly lipophilic character. Attachment of two polycarboxylate dendrimers, a method we call "cloaking", to a bisstyrylthiophene (or BIST) core effectively transformed the chromophore into a water-soluble optical probe, whilst maintaining the high two-photon absorption of over 500 GM. Importantly, the cloaked caged compound was biologically inert at the high concentrations required for multiphoton chemical physiology. Thus, in contrast to non-cloaked BIST compounds, the BIST-caged neurotransmitter can be safely delivered onto neurons in acutely isolated brain slices, thereby enabling high-resolution two-photon uncaging without any side effects. We expect that our cloaking method will enable the development of new classes of cell-compatible photolabile probes using a wide variety of extended π-electron caging chromophores.
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Affiliation(s)
- Matthew T Richers
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY, 10029, USA
| | - Stefan Passlick
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY, 10029, USA
| | - Hitesh Agarwal
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY, 10029, USA
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35
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Huang PJ, Garcia JV, Fenwick A, Wu G, Ford PC. Nitric Oxide Uncaging from a Hydrophobic Chromium(III) PhotoNORM: Visible and Near-Infrared Photochemistry in Biocompatible Polymer Disks. ACS OMEGA 2019; 4:9181-9187. [PMID: 31460006 PMCID: PMC6648811 DOI: 10.1021/acsomega.9b00592] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Accepted: 05/07/2019] [Indexed: 06/10/2023]
Abstract
Devices consisting of polymer disks (PDs) of optically clear or translucent, medical-grade silicone loaded with a new hydrophobic, oxygen-stable, photoactivated nitric oxide-releasing moiety (photoNORM) are described. The photoNORM is the new O-nitrito chromium(III) complex trans-[Cr(PetA)(ONO)2](BF4) (PetA = 5,14-dimethyl-7,12-diphenyl-1,4,8,11-tetraaza-cyclotetradecane), of which the synthesis, X-ray crystal structure, and solution-phase photochemistry are described. Several different commercially available silicone polymers were tested with this photoNORM, and nitric oxide photouncaging with 451 nm light from these systems is compared. In addition, PDs were loaded with the photoNORM and neodymium-sensitized upconverting nanoparticles (Nd-UCNPs). The Nd-UCNPs absorb NIR light at ∼800 nm and activate NO release from the trans-[Cr(PetA)(ONO)2]+ cation. The use of such ensembles as implants provides a potential strategy for the in vivo uncaging of NO at physiological targets triggered by tissue-transmitting NIR excitation. Also reported are the X-ray crystal structures of cis- and trans-{Cr(PetA)Cl2]Cl.
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Affiliation(s)
| | | | | | - Guang Wu
- Department of Chemistry and
Biochemistry, University of California,
Santa Barbara, Santa
Barbara, California 93106 United States
| | - Peter C. Ford
- Department of Chemistry and
Biochemistry, University of California,
Santa Barbara, Santa
Barbara, California 93106 United States
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36
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Development of photolabile protecting groups and their application to the optochemical control of cell signaling. Curr Opin Struct Biol 2019; 57:164-175. [PMID: 31132552 DOI: 10.1016/j.sbi.2019.03.028] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 02/05/2019] [Accepted: 03/27/2019] [Indexed: 12/23/2022]
Abstract
Many biological processes are naturally regulated with spatiotemporal control. In order to perturb and investigate them, optochemical tools have been developed that convey similar spatiotemporal precision. Pivotal to optochemical probes are photolabile protecting groups, so called caging groups, and recent developments have enabled new applications to cellular processes, including cell signaling. This review focuses on the advances made in the field of caging groups and their application in cell signaling through caged molecules such as neurotransmitters, lipids, secondary messengers, and proteins.
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37
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Abou Nakad E, Bolze F, Specht A. o-Nitrobenzyl photoremovable groups with fluorescence uncaging reporting properties. Org Biomol Chem 2019; 16:6115-6122. [PMID: 30094422 DOI: 10.1039/c8ob01330f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
o-Nitrobenzyl (o-NB) derivatives are the most widely applied photoremovable groups for the study of dynamic biological processes. By introducing different substituents to the benzylic position we were able to generate a fluorescence signal upon irradiation. This signal originates from the formation of a nitrosoketone by-product able to achieve a keto-enol tautomerism leading to pi-conjugated α-hydroxystilbene derivatives. These o-NB caging groups can be used to directly monitor the uncaging event by the release of a detectable fluorescent side-product.
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Affiliation(s)
- E Abou Nakad
- Laboratoire de Conception et Application de Molécules Bioactives, Equipe de Chimie et Neurobiologie Moléculaire, Université de Strasbourg, CNRS, CAMB UMR 7199, F-67000 Strasbourg, France.
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38
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Light-triggered release of photocaged therapeutics - Where are we now? J Control Release 2019; 298:154-176. [PMID: 30742854 DOI: 10.1016/j.jconrel.2019.02.006] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 02/04/2019] [Accepted: 02/06/2019] [Indexed: 01/02/2023]
Abstract
The current available therapeutics face several challenges such as the development of ideal drug delivery systems towards the goal of personalized treatments for patients benefit. The application of light as an exogenous activation mechanism has shown promising outcomes, owning to the spatiotemporal confinement of the treatment in the vicinity of the diseased tissue, which offers many intriguing possibilities. Engineering therapeutics with light responsive moieties have been explored to enhance the bioavailability, and drug efficacy either in vitro or in vivo. The tailor-made character turns the so-called photocaged compounds highly desirable to reduce the side effects of drugs and, therefore, have received wide research attention. Herein, we seek to highlight the potential of photocaged compounds to obtain a clear understanding of the mechanisms behind its use in therapeutic delivery. A deep overview on the progress achieved in the design, fabrication as well as current and possible future applications in therapeutics of photocaged compounds is provided, so that novel formulations for biomedical field can be designed.
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39
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Liu Z, Jing X, Zhang S, Tian Y. A Copper Nanocluster-Based Fluorescent Probe for Real-Time Imaging and Ratiometric Biosensing of Calcium Ions in Neurons. Anal Chem 2019; 91:2488-2497. [DOI: 10.1021/acs.analchem.8b05360] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zhichao Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Dongchuan Road 500, Shanghai 200241, P. R. China
| | - Xia Jing
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Dongchuan Road 500, Shanghai 200241, P. R. China
| | - Sanjun Zhang
- State Key Laboratory of Precision Spectroscopy, East China Normal University, North Zhongshan Road 3663, Shanghai 200062, P. R. China
| | - Yang Tian
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Dongchuan Road 500, Shanghai 200241, P. R. China
- State Key Laboratory of Precision Spectroscopy, East China Normal University, North Zhongshan Road 3663, Shanghai 200062, P. R. China
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40
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Seyfried P, Heinz M, Pintér G, Klötzner DP, Becker Y, Bolte M, Jonker HRA, Stelzl LS, Hummer G, Schwalbe H, Heckel A. Optimal Destabilization of DNA Double Strands by Single-Nucleobase Caging. Chemistry 2018; 24:17568-17576. [DOI: 10.1002/chem.201804040] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Patrick Seyfried
- Institute for Organic Chemistry and Chemical Biology; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt am Main Germany
| | - Marcel Heinz
- Department of Theoretical Biophysics; Max Planck Institute of Biophysics; Max-von-Laue-Str. 3 60438 Frankfurt am Main Germany
| | - György Pintér
- Institute for Organic Chemistry and Chemical Biology; Goethe University Frankfurt/, Centre for Biomolecular Magnetic Resonance (BMRZ); Max-von-Laue-Str. 7 60438 Frankfurt am Main Germany
| | - Dean-Paulos Klötzner
- Institute for Organic Chemistry and Chemical Biology; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt am Main Germany
| | - Yvonne Becker
- Institute for Organic Chemistry and Chemical Biology; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt am Main Germany
| | - Michael Bolte
- Institute for Inorganic Chemistry; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt am Main Germany
| | - Hendrik R. A. Jonker
- Institute for Organic Chemistry and Chemical Biology; Goethe University Frankfurt/, Centre for Biomolecular Magnetic Resonance (BMRZ); Max-von-Laue-Str. 7 60438 Frankfurt am Main Germany
| | - Lukas S. Stelzl
- Department of Theoretical Biophysics; Max Planck Institute of Biophysics; Max-von-Laue-Str. 3 60438 Frankfurt am Main Germany
| | - Gerhard Hummer
- Department of Theoretical Biophysics; Max Planck Institute of Biophysics; Max-von-Laue-Str. 3 60438 Frankfurt am Main Germany
- Institute of Biophysics; Max-von-Laue-Str. 1 60438 Frankfurt am Main Germany
| | - Harald Schwalbe
- Institute for Organic Chemistry and Chemical Biology; Goethe University Frankfurt/, Centre for Biomolecular Magnetic Resonance (BMRZ); Max-von-Laue-Str. 7 60438 Frankfurt am Main Germany
| | - Alexander Heckel
- Institute for Organic Chemistry and Chemical Biology; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt am Main Germany
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41
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Passlick S, Thapaliya ER, Chen Z, Richers MT, Ellis-Davies GCR. Optical probing of acetylcholine receptors on neurons in the medial habenula with a novel caged nicotine drug analogue. J Physiol 2018; 596:5307-5318. [PMID: 30222192 DOI: 10.1113/jp276615] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 09/13/2018] [Indexed: 12/11/2022] Open
Abstract
KEY POINTS A new caged nicotinic acetylcholine receptor (nAChR) agonist was developed, ABT594, which is photolysed by one- and two-photon excitation. The caged compound is photolysed with a quantum yield of 0.20. One-photon uncaging of ABT594 elicited large currents and Ca2+ transients at the soma and dendrites of medial habenula (MHb) neurons of mouse brain slices. Unexpectedly, uncaging of ABT594 also revealed highly Ca2+ -permeable nAChRs on axons of MHb neurons. ABSTRACT Photochemical release of neurotransmitters has been instrumental in the study of their underlying receptors, with acetylcholine being the exception due to its inaccessibility to photochemical protection. We caged a nicotinic acetylcholine receptor (nAChR) agonist, ABT594, via its secondary amine functionality. Effective photolysis could be carried out using either one- or two-photon excitation. Brief flashes (0.5-3.0 ms) of 410 nm light evoked large currents and Ca2+ transients on cell bodies and dendrites of medial habenula (MHb) neurons. Unexpectedly, photorelease of ABT594 also revealed nAChR-mediated Ca2+ signals along the axons of MHb neurons.
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Affiliation(s)
- Stefan Passlick
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY, USA
| | - Ek Raj Thapaliya
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY, USA
| | - Zuxin Chen
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY, USA
| | - Matthew T Richers
- Department of Neuroscience, Mount Sinai School of Medicine, New York, NY, USA
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42
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Reinfelds M, von Cosel J, Falahati K, Hamerla C, Slanina T, Burghardt I, Heckel A. A New Photocage Derived from Fluorene. Chemistry 2018; 24:13026-13035. [DOI: 10.1002/chem.201802390] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 06/10/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Matiss Reinfelds
- Institute of Organic Chemistry and Chemical Biology; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt Germany
| | - Jan von Cosel
- Institute of Physical and Theoretical Chemistry; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt Germany
| | - Konstantin Falahati
- Institute of Physical and Theoretical Chemistry; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt Germany
| | - Carsten Hamerla
- Institute of Physical and Theoretical Chemistry; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt Germany
| | - Tomáš Slanina
- Institute of Organic Chemistry and Chemical Biology; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt Germany
| | - Irene Burghardt
- Institute of Physical and Theoretical Chemistry; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt Germany
| | - Alexander Heckel
- Institute of Organic Chemistry and Chemical Biology; Goethe University Frankfurt; Max-von-Laue-Str. 7 60438 Frankfurt Germany
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43
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Dozova N, Pousse G, Barnych B, Mallet JM, Cossy J, Valeur B, Plaza P. A novel diarylethene-based photoswitchable chelator for reversible release and capture of Ca2+ in aqueous media. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.04.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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44
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Heymann RR, Thum MD, Hardee AL, Falvey DE. Visible light initiated release of calcium ions through photochemical electron transfer reactions. Photochem Photobiol Sci 2018; 16:1003-1008. [PMID: 28497836 DOI: 10.1039/c6pp00469e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Photolysis of anthraquinone or flavin photosensitizers in the presence of calcium EDTA complexes results in decomposition of the EDTA complex, releasing free Ca2+. In the case of the flavin sensitizers, it is shown that millimolar concentrations of Ca2+ can be released using visible light (>440 nm) and with quantum yields as high as 0.31. The utility of this system is further demonstrated by in situ photogelation of an alginate solution.
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Affiliation(s)
- Romina R Heymann
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, USA.
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45
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Ankenbruck N, Courtney T, Naro Y, Deiters A. Optochemical Control of Biological Processes in Cells and Animals. Angew Chem Int Ed Engl 2018; 57:2768-2798. [PMID: 28521066 PMCID: PMC6026863 DOI: 10.1002/anie.201700171] [Citation(s) in RCA: 293] [Impact Index Per Article: 48.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 05/06/2017] [Indexed: 12/13/2022]
Abstract
Biological processes are naturally regulated with high spatial and temporal control, as is perhaps most evident in metazoan embryogenesis. Chemical tools have been extensively utilized in cell and developmental biology to investigate cellular processes, and conditional control methods have expanded applications of these technologies toward resolving complex biological questions. Light represents an excellent external trigger since it can be controlled with very high spatial and temporal precision. To this end, several optically regulated tools have been developed and applied to living systems. In this review we discuss recent developments of optochemical tools, including small molecules, peptides, proteins, and nucleic acids that can be irreversibly or reversibly controlled through light irradiation, with a focus on applications in cells and animals.
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Affiliation(s)
- Nicholas Ankenbruck
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260, USA
| | - Taylor Courtney
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260, USA
| | - Yuta Naro
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260, USA
| | - Alexander Deiters
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260, USA
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46
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Lin Q, Yang L, Wang Z, Hua Y, Zhang D, Bao B, Bao C, Gong X, Zhu L. Coumarin Photocaging Groups Modified with an Electron-Rich Styryl Moiety at the 3-Position: Long-Wavelength Excitation, Rapid Photolysis, and Photobleaching. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800713] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Qiuning Lin
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Lipeng Yang
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Zhiqiang Wang
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Yujie Hua
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Dasheng Zhang
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Bingkun Bao
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Chunyan Bao
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Xueqing Gong
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Linyong Zhu
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
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47
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Lin Q, Yang L, Wang Z, Hua Y, Zhang D, Bao B, Bao C, Gong X, Zhu L. Coumarin Photocaging Groups Modified with an Electron-Rich Styryl Moiety at the 3-Position: Long-Wavelength Excitation, Rapid Photolysis, and Photobleaching. Angew Chem Int Ed Engl 2018; 57:3722-3726. [DOI: 10.1002/anie.201800713] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Qiuning Lin
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Lipeng Yang
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Zhiqiang Wang
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Yujie Hua
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Dasheng Zhang
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Bingkun Bao
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Chunyan Bao
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Xueqing Gong
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
| | - Linyong Zhu
- Key Laboratory for Advanced Materials; East China University of Science and Technology; 130# Meilong Road Shanghai 200237 China
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48
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Ankenbruck N, Courtney T, Naro Y, Deiters A. Optochemische Steuerung biologischer Vorgänge in Zellen und Tieren. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201700171] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Nicholas Ankenbruck
- Department of Chemistry University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Taylor Courtney
- Department of Chemistry University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Yuta Naro
- Department of Chemistry University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Alexander Deiters
- Department of Chemistry University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
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Li A, Turro C, Kodanko JJ. Ru(ii) polypyridyl complexes as photocages for bioactive compounds containing nitriles and aromatic heterocycles. Chem Commun (Camb) 2018; 54:1280-1290. [PMID: 29323683 PMCID: PMC5904840 DOI: 10.1039/c7cc09000e] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Photocaging allows for precise spatiotemporal control over the release of biologically active compounds with light. Most photocaged molecules employ organic photolabile protecting groups; however, biologically active compounds often contain functionalities such as nitriles and aromatic heterocycles that cannot be caged with organic groups. Despite their prevalence, only a few studies have reported successful caging of nitriles and aromatic heterocycles. Recently, Ru(ii)-based photocaging has emerged as a powerful method for the release of bioactive molecules containing these functional groups, in many cases providing high levels of spatial and temporal control over biological activity. This Feature Article discusses recent developments in applying Ru(ii)-based photocaging towards biological problems. Our groups designed and synthesized Ru(ii)-based platforms for the photoinduced delivery of cysteine protease and cytochrome P450 inhibitors in order to achieve selective control over enzyme inhibition. We also reported Ru(ii) photocaging groups derived from higher-denticity ancillary ligands that possess photophysical and photochemical properties distinct from more traditional Ru(ii)-based caging groups. In addition, for the first time, we are able to rapidly synthesize and screen Ru(ii) polypyridyl complexes that elicit desired properties by solid-phase synthesis. Finally, our work also defined steric and orbital mixing effects that are important factors in controlling photoinduced ligand exchange.
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Affiliation(s)
- Ao Li
- Department of Chemistry, Wayne State University, 5101 Cass Ave, Detroit, Michigan 48202, USA.
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50
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Factors affecting the uncaging efficiency of 500 nm light-activatable BODIPY caging group. Bioorg Med Chem Lett 2018; 28:1-5. [DOI: 10.1016/j.bmcl.2017.11.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 11/15/2017] [Indexed: 12/20/2022]
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