1
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Bardhan A, Brown W, Albright S, Tsang M, Davidson LA, Deiters A. Direct Activation of Nucleobases with Small Molecules for the Conditional Control of Antisense Function. Angew Chem Int Ed Engl 2024; 63:e202318773. [PMID: 38411401 DOI: 10.1002/anie.202318773] [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: 12/06/2023] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 02/28/2024]
Abstract
Conditionally controlled antisense oligonucleotides provide precise interrogation of gene function at different developmental stages in animal models. Only one example of small molecule-induced activation of antisense function exist. This has been restricted to cyclic caged morpholinos that, based on sequence, can have significant background activity in the absence of the trigger. Here, we provide a new approach using azido-caged nucleobases that are site-specifically introduced into antisense morpholinos. The caging group design is a simple azidomethylene (Azm) group that, despite its very small size, efficiently blocks Watson-Crick base pairing in a programmable fashion. Furthermore, it undergoes facile decaging via Staudinger reduction when exposed to a small molecule phosphine, generating the native antisense oligonucleotide under conditions compatible with biological environments. We demonstrated small molecule-induced gene knockdown in mammalian cells, zebrafish embryos, and frog embryos. We validated the general applicability of this approach by targeting three different genes.
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Affiliation(s)
- Anirban Bardhan
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, United States
| | - Wes Brown
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, United States
| | - Savannah Albright
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, United States
| | - Michael Tsang
- Department of Cell Biology, Center for Integrative Organ Systems., University of Pittsburgh, Pittsburgh, PA 15260, United States
| | - Lance A Davidson
- Department of Bioengineering, Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, PA 15260, United States
| | - Alexander Deiters
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, United States
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2
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Weng W, Xue G, Pan Z. Development of visible-light-activatable photocaged PROTACs. Eur J Med Chem 2024; 265:116062. [PMID: 38128235 DOI: 10.1016/j.ejmech.2023.116062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
Photocaged proteolysis-targeting chimeras (PROTACs), which employ light as a stimulus to control protein degradation, have recently garnered considerable attention as both powerful chemical tools and a promising therapeutic strategy. However, the poor penetration depth of traditionally used ultraviolet light and the deficiency of alternative caging positions have restricted their applications in biological systems. By installing a diverse array of photocaged groups, with excitation wavelengths ranging from 365 nm to 405 nm, onto different positions of cereblon (CRBN) and Von Hippel-Lindau (VHL)-recruiting Brd4 degraders, we conducted the first comprehensive study on visible-light-activatable photocaged PROTACs to the best of our knowledge. We found the A2, A4 and B3 positions to be most effective at regulating the activity of the degraders, and to provide the resulting molecules (9-12 and 17) as potent visible-light-controlled degraders in live cells.
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Affiliation(s)
- Weizhi Weng
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Gang Xue
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Zhengying Pan
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, 518055, China.
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3
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Situ Z, Lu M, Chen W, Xie Z, Chen SL, Dang L, Li MD. Boosting the Release of Leaving Group from Blebbistatin Derivative Photocages via Enhancing Intramolecular Charge Transfer and Stabilizing Cationic Intermediate. J Phys Chem Lett 2023; 14:11580-11586. [PMID: 38100086 DOI: 10.1021/acs.jpclett.3c02970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
Blebbistatin (Bleb) derivatives are a visible light photocage platform. During the photocleavage process, intramolecular charge transfer (ICT) and cationic intermediates play a decisive role. However, slow photolysis rate and low photolysis quantum yield are the main problems for Bleb's derivatives. Herein, by introducing a substituted OCH3 group at the para-position of the D ring, Bleb and Bleb derivatives with various leaving groups were synthesized and studied, and the photolysis performance was unveiled by steady-state spectra, photolysis rate experiments, photolysis quantum yield, and density functional theory calculations. Substituted OCH3 derivatives of Bleb may enhance the photolysis rate and increase the photolysis quantum yield because the electron-donating group can promote the ICT process and stabilize the cationic intermediate during the photolytic reaction. More generally, the insights gained from this structure-reactivity relationship may provide theoretical guidance and aid in the development of new highly efficient photoreactions.
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Affiliation(s)
- Zicong Situ
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, China
| | - Manlin Lu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, China
| | - Wenbin Chen
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, China
| | - Zuoti Xie
- Department of Materials Science and Engineering, MATEC, Guangdong Technion-Israel Institute of Technology, Shantou, Guangdong 515063, China
| | - Shun Li Chen
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, China
| | - Li Dang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, China
| | - Ming-De Li
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, China
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou 515031, China
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4
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Singh AK, Mengji R, Nair AV, Shah SS, Avijit J, Singh NDP. Photoactivable AIEgen-based Lipid-Droplet-Specific Drug Delivery Model for Live Cell Imaging and Two-Photon Light-Triggered Anticancer Drug Delivery. ACS APPLIED BIO MATERIALS 2023; 6:4372-4382. [PMID: 37791981 DOI: 10.1021/acsabm.3c00580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Lipid droplets (LDs) are dynamic complex organelles involved in various physiological processes, and their number and activity are linked to multiple diseases, including cancer. In this study, we have developed LD-specific near-infrared (NIR) light-responsive nano-drug delivery systems (DDSs) based on chalcone derivatives for cancer treatment. The reported nano-DDSs localized inside the cancer microenvironment of LDs, and upon exposure to light, they delivered the anticancer drug valproic acid in a spatiotemporally controlled manner. The developed systems, namely, 2'-hydroxyacetophenone-dimethylaminobenzaldehyde-valproic (HA-DAB-VPA) and 2'-hydroxyacetophenone-diphenylaminobenzaldehyde-valproic (HA-DPB-VPA) ester conjugates, required only two simple synthetic steps. Our reported DDSs exhibited interesting properties such as excited-state intramolecular proton transfer (ESIPT) and aggregation-induced emission (AIE) phenomena, which provided advantages such as AIE-initiated photorelease and ESIPT-enhanced rate of photorelease upon exposure to one- or two-photon light. Further, colocalization studies of the nano-DDSs by employing two cancerous cell lines (MCF-7 cell line and CT-26 cell line) and one normal cell line (HEK cell line) revealed LD concentration-dependent enhanced fluorescence intensity. Furthermore, systematic investigations of both the nano-DDSs in the presence and absence of oleic acid inside the cells revealed that nano-DDS HA-DPB-VPA accumulated more selectively in the LDs. This unique selectivity by the nano-DDS HA-DPB-VPA toward the LDs is due to the hydrophobic nature of the diphenylaminobenzaldehyde (mimicking the LD core), which significantly leads to the aggregation and ESIPT (at 90% volume of fw, ΦF = 20.4% and in oleic acid ΦF = 24.6%), respectively. Significantly, we used this as a light-triggered anticancer drug delivery model to take advantage of the high selectivity and accumulation of the nano-DDS HA-DPB-VPA inside the LDs. Hence, these findings give a prototype for designing drug delivery models for monitoring LD-related intracellular activities and significantly triggering the release of LD-specific drugs in the biological field.
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Affiliation(s)
- Amit Kumar Singh
- Department of Chemistry, Photochemistry Laboratory, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Rakesh Mengji
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Asha V Nair
- Department of Chemistry, Photochemistry Laboratory, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Sk Sheriff Shah
- Department of Chemistry, Photochemistry Laboratory, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Jana Avijit
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - N D Pradeep Singh
- Department of Chemistry, Photochemistry Laboratory, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
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5
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Kaufmann J, Sinsel F, Heckel A. Chromatic Selectivity of Coumarin-Caged Oligonucleotides. Chemistry 2023; 29:e202204014. [PMID: 36562762 DOI: 10.1002/chem.202204014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 12/24/2022]
Abstract
A system of two coumarin-based caging groups is presented - one absorbing in the blue (400-450 nm) and the other absorbing in the green (480-550 nm) part of the visible spectrum. Together they form a pair, which allows to selectively photoactivate the one or the other in oligonucleotides. A numerical characterization defining the term "chromatic selectivity" was proposed, and it was shown how chromatically selective uncaging can literally be titrated in a kinetic reaction scheme.
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Affiliation(s)
- Janik Kaufmann
- Institute for Organic Chemistry and Chemical Biology, Goethe University Frankfurt, Max-von-Laue-Strasse 7, 60438, Frankfurt, Germany
| | - Fabian Sinsel
- Institute for Organic Chemistry and Chemical Biology, Goethe University Frankfurt, Max-von-Laue-Strasse 7, 60438, Frankfurt, Germany
| | - Alexander Heckel
- Institute for Organic Chemistry and Chemical Biology, Goethe University Frankfurt, Max-von-Laue-Strasse 7, 60438, Frankfurt, Germany
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6
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Weber R, Chok K, Junek S, Glaubitz C, Heckel A. Rhodamine-Sensitized Two-Photon Activation of a Red Light-Absorbing BODIPY Photocage. Chemistry 2023; 29:e202300149. [PMID: 36785982 DOI: 10.1002/chem.202300149] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/08/2023] [Accepted: 02/13/2023] [Indexed: 02/15/2023]
Abstract
Two-photon (2P) activatable probes are of high value in biological and medical chemistry since near infrared (NIR) light can penetrate deeply even in blood-perfused tissue and due to the intrinsic three-dimensional activation properties. Designing two-photon chromophores is challenging. However, the two-photon absorption qualities of a photocage can be improved with an intramolecular sensitizer, which transfers the absorbed light onto the cage. We herein present the synthesis and photophysical characterization of a 2P-sensitive uncaging dyad based on rhodamine 101 as donor fluorophore and a redshifted BODIPY as acceptor photocage. Liberation of p-nitroaniline (PNA) upon one-photon photolysis was confirmed by HPLC analysis. The photoreaction was found to be accompanied by a considerable change of the fluorescence properties of the chromophores. The possibility of a fluorescent read-out enabled the detection of two-photon induced uncaging by confocal fluorescence microscopy.
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Affiliation(s)
- Rebekka Weber
- Goethe University Frankfurt, Institute for Organic Chemistry and Chemical Biology, Max-von-Laue-Str. 7, 60438, Frankfurt am Main, Germany
| | - Kerby Chok
- Goethe University Frankfurt, Institute for Biophysical Chemistry, Max-von-Laue-Str. 9, 60438, Frankfurt am Main, Germany
| | - Stephan Junek
- Max Planck Institute for Brain Research, Max-von-Laue-Str. 4, 60438, Frankfurt am Main, Germany
| | - Clemens Glaubitz
- Goethe University Frankfurt, Institute for Biophysical Chemistry, Max-von-Laue-Str. 9, 60438, Frankfurt am Main, Germany
| | - Alexander Heckel
- Goethe University Frankfurt, Institute for Organic Chemistry and Chemical Biology, Max-von-Laue-Str. 7, 60438, Frankfurt am Main, Germany
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7
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Klimek R, Asido M, Hermanns V, Junek S, Wachtveitl J, Heckel A. Inactivation of Competitive Decay Channels Leads to Enhanced Coumarin Photochemistry. Chemistry 2022; 28:e202200647. [PMID: 35420716 PMCID: PMC9320935 DOI: 10.1002/chem.202200647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Indexed: 11/30/2022]
Abstract
In the development of photolabile protecting groups, it is of high interest to selectively modify photochemical properties with structural changes as simple as possible. In this work, knowledge of fluorophore optimization was adopted and used to design new coumarin‐ based photocages. Photolysis efficiency was selectively modulated by inactivating competitive decay channels, such as twisted intramolecular charge transfer (TICT) or hydrogen‐bonding, and the photolytic release of the neurotransmitter serotonin was demonstrated. Structural modifications inspired by the fluorophore ATTO 390 led to a significant increase in the uncaging cross section that can be further improved by the simple addition of a double bond. Ultrafast transient absorption spectroscopy gave insights into the underlying solvent‐dependent photophysical dynamics. The chromophores presented here are excellently suited as new photocages in the visible wavelength range due to their simple synthesis and their superior photochemical properties.
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Affiliation(s)
- Robin Klimek
- Institute for Organic Chemistry and Chemical Biology Goethe University Frankfurt Max-von-Laue Str. 9 60438 Frankfurt Germany
| | - Marvin Asido
- Institute of Physical and Theoretical Chemistry Goethe University Frankfurt Max-von-Laue Str. 9 60438 Frankfurt Germany
| | - Volker Hermanns
- Institute for Organic Chemistry and Chemical Biology Goethe University Frankfurt Max-von-Laue Str. 9 60438 Frankfurt Germany
| | - Stephan Junek
- Max Planck Institute for Brain Research Max-von-Laue Str. 4 60438 Frankfurt Germany
| | - Josef Wachtveitl
- Institute of Physical and Theoretical Chemistry Goethe University Frankfurt Max-von-Laue Str. 9 60438 Frankfurt Germany
| | - Alexander Heckel
- Institute for Organic Chemistry and Chemical Biology Goethe University Frankfurt Max-von-Laue Str. 9 60438 Frankfurt Germany
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8
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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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9
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Hermanns V, Scheurer M, Kersten NF, Abdellaoui C, Wachtveitl J, Dreuw A, Heckel A. Rethinking Uncaging: A New Antiaromatic Photocage Driven by a Gain of Resonance Energy. Chemistry 2021; 27:14121-14127. [PMID: 34363415 PMCID: PMC8519059 DOI: 10.1002/chem.202102351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Indexed: 12/31/2022]
Abstract
Photoactivatable compounds for example photoswitches or photolabile protecting groups (PPGs, photocages) for spatiotemporal light control, play a crucial role in different areas of research. For each application, parameters such as the absorption spectrum, solubility in the respective media and/or photochemical quantum yields for several competing processes need to be optimized. The design of new photochemical tools therefore remains an important task. In this study, we exploited the concept of excited-state-aromaticity, first described by N. Colin Baird in 1971, to investigate a new class of photocages, based on cyclic, ground-state-antiaromatic systems. Several thio- and nitrogen-functionalized compounds were synthesized, photochemically characterized and further optimized, supported by quantum chemical calculations. After choosing the optimal scaffold, which shows an excellent uncaging quantum yield of 28 %, we achieved a bathochromic shift of over 100 nm, resulting in a robust, well accessible, visible light absorbing, compact new photocage with a clean photoreaction and a high quantum product (ϵ⋅Φ) of 893 M-1 cm-1 at 405 nm.
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Affiliation(s)
- Volker Hermanns
- Institute of Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Lau-Str. 760438FrankfurtGermany
| | - Maximilian Scheurer
- Interdisciplinary Center for Scientific ComputingHeidelberg UniversityIm Neuenheimer Feld 20569120HeidelbergGermany
| | - Nils Frederik Kersten
- Institute of Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Lau-Str. 760438FrankfurtGermany
| | - Chahinez Abdellaoui
- Institute of Physical and Theoretical ChemistryGoethe University FrankfurtMax-von-Laue-Str. 760438FrankfurtGermany
| | - Josef Wachtveitl
- Institute of Physical and Theoretical ChemistryGoethe University FrankfurtMax-von-Laue-Str. 760438FrankfurtGermany
| | - Andreas Dreuw
- Interdisciplinary Center for Scientific ComputingHeidelberg UniversityIm Neuenheimer Feld 20569120HeidelbergGermany
| | - Alexander Heckel
- Institute of Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Lau-Str. 760438FrankfurtGermany
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10
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Monteiro DCF, Amoah E, Rogers C, Pearson AR. Using photocaging for fast time-resolved structural biology studies. Acta Crystallogr D Struct Biol 2021; 77:1218-1232. [PMID: 34605426 PMCID: PMC8489231 DOI: 10.1107/s2059798321008809] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 08/23/2021] [Indexed: 12/02/2022] Open
Abstract
Careful selection of photocaging approaches is critical to achieve fast and well synchronized reaction initiation and perform successful time-resolved structural biology experiments. This review summarizes the best characterized and most relevant photocaging groups previously described in the literature. It also provides a walkthrough of the essential factors to consider in designing a suitable photocaged molecule to address specific biological questions, focusing on photocaging groups with well characterized spectroscopic properties. The relationships between decay rates (k in s-1), quantum yields (ϕ) and molar extinction coefficients (ϵmax in M-1 cm-1) are highlighted for different groups. The effects of the nature of the photocaged group on these properties is also discussed. Four main photocaging scaffolds are presented in detail, o-nitrobenzyls, p-hydroxyphenyls, coumarinyls and nitrodibenzofuranyls, along with three examples of the use of this technology. Furthermore, a subset of specialty photocages are highlighted: photoacids, molecular photoswitches and metal-containing photocages. These extend the range of photocaging approaches by, for example, controlling pH or generating conformationally locked molecules.
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Affiliation(s)
- Diana C. F. Monteiro
- Hauptman–Woodward Medical Research Institute, 700 Ellicot Street, Buffalo, NY 14203, USA
| | - Emmanuel Amoah
- Hauptman–Woodward Medical Research Institute, 700 Ellicot Street, Buffalo, NY 14203, USA
| | - Cromarte Rogers
- The Hamburg Centre for Ultrafast Imaging, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
- Department of Chemistry, Universität Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany
| | - Arwen R. Pearson
- The Hamburg Centre for Ultrafast Imaging, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
- Department of Physics, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
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11
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Mangubat-Medina AE, Ball ZT. Triggering biological processes: methods and applications of photocaged peptides and proteins. Chem Soc Rev 2021; 50:10403-10421. [PMID: 34320043 DOI: 10.1039/d0cs01434f] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
There has been a significant push in recent years to deploy fundamental knowledge and methods of photochemistry toward biological ends. Photoreactive groups have enabled chemists to activate biological function using the concept of photocaging. By granting spatiotemporal control over protein activation, these photocaging methods are fundamental in understanding biological processes. Peptides and proteins are an important group of photocaging targets that present conceptual and technical challenges, requiring precise chemoselectivity in complex polyfunctional environments. This review focuses on recent advances in photocaging techniques and methodologies, as well as their use in living systems. Photocaging methods include genetic and chemical approaches that require a deep understanding of structure-function relationships based on subtle changes in primary structure. Successful implementation of these ideas can shed light on important spatiotemporal aspects of living systems.
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Affiliation(s)
| | - Zachary T Ball
- Department of Chemistry, Rice University, Houston, TX, 77005, USA.
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12
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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: 17] [Impact Index Per Article: 5.7] [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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13
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Peterson JA, Yuan D, Winter AH. Multiwavelength Control of Mixtures Using Visible Light-Absorbing Photocages. J Org Chem 2021; 86:9781-9787. [PMID: 34197119 DOI: 10.1021/acs.joc.1c00658] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Selective deprotection of functional groups using different wavelengths of light is attractive for materials synthesis as well as for achieving independent photocontrol over substrates in biological systems. Here, we show that mixtures of recently developed visible light-absorbing BODIPY-derived photoremovable protecting groups (PRPGs) and a coumarin-derived PRPG can undergo wavelength-selective activation, giving independent optical control over a mixture of photocaged substrates using biologically benign long-wavelength light.
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Affiliation(s)
- Julie A Peterson
- Department of Chemistry, Iowa State University, 1605 Gilman Hall, Ames, Iowa 50010, United States
| | - Ding Yuan
- Department of Chemistry, Iowa State University, 1605 Gilman Hall, Ames, Iowa 50010, United States
| | - Arthur H Winter
- Department of Chemistry, Iowa State University, 1605 Gilman Hall, Ames, Iowa 50010, United States
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14
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Reynders M, Trauner D. Optical control of targeted protein degradation. Cell Chem Biol 2021; 28:969-986. [PMID: 34115971 DOI: 10.1016/j.chembiol.2021.05.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/12/2021] [Accepted: 05/14/2021] [Indexed: 12/13/2022]
Abstract
Molecular glues and proteolysis targeting chimeras (PROTACs) have emerged as small-molecule tools that selectively induce the degradation of a chosen protein and have shown therapeutic promise. Recently, several approaches employing light as an additional stimulus to control induced protein degradation have been reported. Here, we analyze the principles guiding the design of such systems, provide a survey of the literature published to date, and discuss opportunities for further development. Light-responsive degraders enable the precise temporal and spatial control of protein levels, making them useful research tools but also potential candidates for human precision medicine.
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Affiliation(s)
- Martin Reynders
- Department of Chemistry, New York University, New York, NY 10003, USA; Department of Chemistry, Ludwig Maximilians University of Munich, 81377 Munich, Germany
| | - Dirk Trauner
- Department of Chemistry, New York University, New York, NY 10003, USA; Perlmutter Cancer Center, New York University School of Medicine, New York, NY 10016, USA; NYU Neuroscience Institute, New York University School of Medicine, New York, NY 10016, USA.
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15
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Smart Nucleic Acids as Future Therapeutics. Trends Biotechnol 2021; 39:1289-1307. [PMID: 33980422 DOI: 10.1016/j.tibtech.2021.03.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/23/2021] [Accepted: 03/29/2021] [Indexed: 11/23/2022]
Abstract
Nucleic acid therapeutics (NATs) hold promise in treating undruggable diseases and are recognized as the third major category of therapeutics in addition to small molecules and antibodies. Despite the milestones that NATs have made in clinical translation over the past decade, one important challenge pertains to increasing the specificity of this class of drugs. Activating NATs exclusively in disease-causing cells is highly desirable because it will safely broaden the application of NATs to a wider range of clinical indications. Smart NATs are triggered through a photo-uncaging reaction or a specific molecular input such as a transcript, protein, or small molecule, thus complementing the current strategy of targeting cells and tissues with receptor-specific ligands to enhance specificity. This review summarizes the programmable modalities that have been incorporated into NATs to build in responsive behaviors. We discuss the various inputs, transduction mechanisms, and output response functions that have been demonstrated to date.
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16
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Hammers MD, Hodny MH, Bader TK, Mahmoodi MM, Fang S, Fenton AD, Nurie K, Trial HO, Xu F, Healy AT, Ball ZT, Blank DA, Distefano MD. Two-photon uncaging of bioactive thiols in live cells at wavelengths above 800 nm. Org Biomol Chem 2021; 19:2213-2223. [PMID: 33349821 PMCID: PMC8437107 DOI: 10.1039/d0ob01986k] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Photoactivatable protecting groups (PPGs) are useful for a broad range of applications ranging from biology to materials science. In chemical biology, induction of biological processes via photoactivation is a powerful strategy for achieving spatiotemporal control. The importance of cysteine, glutathione, and other bioactive thiols in regulating protein structure/activity and cell redox homeostasis makes modulation of thiol activity particularly useful. One major objective for enhancing the utility of photoactivatable protecting groups (PPGs) in living systems is creating PPGs with longer wavelength absorption maxima and efficient two-photon (TP) absorption. Toward these objectives, we developed a carboxyl- and dimethylamine-functionalized nitrodibenzofuran PPG scaffold (cDMA-NDBF) for thiol photoactivation, which has a bathochromic shift in the one-photon absorption maximum from λmax = 315 nm with the unfunctionalized NDBF scaffold to λmax = 445 nm. While cDMA-NDBF-protected thiols are stable in the presence of UV irradiation, they undergo efficient broad-spectrum TP photolysis at wavelengths as long as 900 nm. To demonstrate the wavelength orthogonality of cDMA-NDBF and NDBF photolysis in a biological setting, caged farnesyltransferase enzyme inhibitors (FTI) were prepared and selectively photoactivated in live cells using 850-900 nm TP light for cDMA-NDBF-FTI and 300 nm UV light for NDBF-FTI. These experiments represent the first demonstration of thiol photoactivation at wavelengths above 800 nm. Consequently, cDMA-NDBF-caged thiols should have broad applicability in a wide range of experiments in chemical biology and materials science.
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Affiliation(s)
- Matthew D Hammers
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Michael H Hodny
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Taysir K Bader
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - M Mohsen Mahmoodi
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Sifei Fang
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Alexander D Fenton
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Kadiro Nurie
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Hallie O Trial
- Department of Chemistry, Rice University, Houston, TX 77005, USA
| | - Feng Xu
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Andrew T Healy
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Zachary T Ball
- Department of Chemistry, Rice University, Houston, TX 77005, USA
| | - David A Blank
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Mark D Distefano
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
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17
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Becker Y, Roth S, Scheurer M, Jakob A, Gacek DA, Walla PJ, Dreuw A, Wachtveitl J, Heckel A. Selective Modification for Red-Shifted Excitability: A Small Change in Structure, a Huge Change in Photochemistry. Chemistry 2021; 27:2212-2218. [PMID: 32955154 PMCID: PMC7898321 DOI: 10.1002/chem.202003672] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/18/2020] [Indexed: 01/13/2023]
Abstract
We developed three bathochromic, green-light activatable, photolabile protecting groups based on a nitrodibenzofuran (NDBF) core with D-π-A push-pull structures. Variation of donor substituents (D) at the favored ring position enabled us to observe their impact on the photolysis quantum yields. Comparing our new azetidinyl-NDBF (Az-NDBF) photolabile protecting group with our earlier published DMA-NDBF, we obtained insight into its excitation-specific photochemistry. While the "two-photon-only" cage DMA-NDBF was inert against one-photon excitation (1PE) in the visible spectral range, we were able to efficiently release glutamic acid from azetidinyl-NDBF with irradiation at 420 and 530 nm. Thus, a minimal change (a cyclization adding only one carbon atom) resulted in a drastically changed photochemical behavior, which enables photolysis in the green part of the spectrum.
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Affiliation(s)
- Yvonne Becker
- Institute for Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
| | - Sina Roth
- Institute for Physical and Theoretical ChemistryGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
| | - Maximilian Scheurer
- Interdisciplinary Center for Scientific Computing (IWR)Theoretical and Computational ChemistryIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - Andreas Jakob
- Institute for Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
| | - Daniel A. Gacek
- Institute for Physical and Theoretical ChemistryTechnical University BraunschweigGaußstr. 1738106BraunschweigGermany
| | - Peter J. Walla
- Institute for Physical and Theoretical ChemistryTechnical University BraunschweigGaußstr. 1738106BraunschweigGermany
| | - Andreas Dreuw
- Interdisciplinary Center for Scientific Computing (IWR)Theoretical and Computational ChemistryIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - Josef Wachtveitl
- Institute for Physical and Theoretical ChemistryGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
| | - Alexander Heckel
- Institute for Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
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18
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Uhl E, Wolff F, Mangal S, Dube H, Zanin E. Light-Controlled Cell-Cycle Arrest and Apoptosis. Angew Chem Int Ed Engl 2020; 60:1187-1196. [PMID: 33035402 PMCID: PMC7839536 DOI: 10.1002/anie.202008267] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Indexed: 12/19/2022]
Abstract
Cell‐cycle interference by small molecules has widely been used to study fundamental biological mechanisms and to treat a great variety of diseases, most notably cancer. However, at present only limited possibilities exist for spatio‐temporal control of the cell cycle. Here we report on a photocaging strategy to reversibly arrest the cell cycle at metaphase or induce apoptosis using blue‐light irradiation. The versatile proteasome inhibitor MG132 is photocaged directly at the reactive aldehyde function effectively masking its biological activity. Upon irradiation reversible cell‐cycle arrest in the metaphase is demonstrated to take place in vivo. Similarly, apoptosis can efficiently be induced by irradiation of human cancer cells. With the developed photopharmacological approach spatio‐temporal control of the cell cycle is thus enabled with very high modulation, as caged MG132 shows no effect on proliferation in the dark. In addition, full compatibility of photo‐controlled uncaging with dynamic microscopy techniques in vivo is demonstrated. This visible‐light responsive tool should be of great value for biological as well as medicinal approaches in need of high‐precision targeting of the proteasome and thereby the cell cycle and apoptosis.
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Affiliation(s)
- Edgar Uhl
- Ludwig-Maximilians-Universität München, Department of Chemistry and Center for Integrated Protein Science CIPSM, Butenandtstr. 5-13, 81377, München, Germany
| | - Friederike Wolff
- Ludwig-Maximilians-Universität München, Center for Integrated Protein Science CIPSM, Department Biology II, Planegg-Martinsried, 82152, München, Germany
| | - Sriyash Mangal
- Ludwig-Maximilians-Universität München, Center for Integrated Protein Science CIPSM, Department Biology II, Planegg-Martinsried, 82152, München, Germany
| | - Henry Dube
- Ludwig-Maximilians-Universität München, Department of Chemistry and Center for Integrated Protein Science CIPSM, Butenandtstr. 5-13, 81377, München, Germany.,Current address: Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Esther Zanin
- Ludwig-Maximilians-Universität München, Center for Integrated Protein Science CIPSM, Department Biology II, Planegg-Martinsried, 82152, München, Germany
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19
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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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20
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Uhl E, Wolff F, Mangal S, Dube H, Zanin E. Light‐Controlled Cell‐Cycle Arrest and Apoptosis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Edgar Uhl
- Ludwig-Maximilians-Universität München Department of Chemistry and Center for Integrated Protein Science CIPSM Butenandtstr. 5–13 81377 München Germany
| | - Friederike Wolff
- Ludwig-Maximilians-Universität München Center for Integrated Protein Science CIPSM Department Biology II Planegg-Martinsried 82152 München Germany
| | - Sriyash Mangal
- Ludwig-Maximilians-Universität München Center for Integrated Protein Science CIPSM Department Biology II Planegg-Martinsried 82152 München Germany
| | - Henry Dube
- Ludwig-Maximilians-Universität München Department of Chemistry and Center for Integrated Protein Science CIPSM Butenandtstr. 5–13 81377 München Germany
- Current address: Friedrich-Alexander-Universität Erlangen-Nürnberg Department of Chemistry and Pharmacy Nikolaus-Fiebiger-Str. 10 91058 Erlangen Germany
| | - Esther Zanin
- Ludwig-Maximilians-Universität München Center for Integrated Protein Science CIPSM Department Biology II Planegg-Martinsried 82152 München Germany
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21
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Bojtár M, Németh K, Domahidy F, Knorr G, Verkman A, Kállay M, Kele P. Conditionally Activatable Visible-Light Photocages. J Am Chem Soc 2020; 142:15164-15171. [PMID: 32786783 PMCID: PMC7472520 DOI: 10.1021/jacs.0c07508] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
![]()
The proof of concept for conditionally
activatable photocages is
demonstrated on a new vinyltetrazine-derivatized coumarin. The tetrazine
form is disabled in terms of light-induced cargo release, however,
bioorthogonal transformation of the modulating tetrazine moiety results
in fully restored photoresponsivity. Irradiation of such a “click-armed”
photocage with blue light leads to fast and efficient release of a
set of caged model species, conjugated via various linkages. Live-cell
applicability of the concept was also demonstrated by the conditional
release of a fluorogenic probe using mitochondrial pretargeting.
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Affiliation(s)
- Márton Bojtár
- "Lendület" Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences. Magyar tudósok krt. 2, H-1117 Budapest, Hungary
| | - Krisztina Németh
- "Lendület" Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences. Magyar tudósok krt. 2, H-1117 Budapest, Hungary
| | - Farkas Domahidy
- "Lendület" Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences. Magyar tudósok krt. 2, H-1117 Budapest, Hungary
| | - Gergely Knorr
- "Lendület" Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences. Magyar tudósok krt. 2, H-1117 Budapest, Hungary.,Faculty of Chemistry and Earth Sciences, Friedrich-Schiller-Universität Jena, Lessingstraße 8, D-07743 Jena, Germany
| | - András Verkman
- "Lendület" Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences. Magyar tudósok krt. 2, H-1117 Budapest, Hungary
| | - Mihály Kállay
- Department of Physical Chemistry and Materials Science, Budapest University of Technology and Economics, P.O. Box 91, H-1521 Budapest, Hungary
| | - Péter Kele
- "Lendület" Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences. Magyar tudósok krt. 2, H-1117 Budapest, Hungary
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22
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Lee M, Rizzo R, Surman F, Zenobi-Wong M. Guiding Lights: Tissue Bioprinting Using Photoactivated Materials. Chem Rev 2020; 120:10950-11027. [DOI: 10.1021/acs.chemrev.0c00077] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mihyun Lee
- Tissue Engineering + Biofabrication HPL J22, ETH Zürich, Otto-Stern-Weg 7, 8093 Zürich, Switzerland
| | - Riccardo Rizzo
- Tissue Engineering + Biofabrication HPL J22, ETH Zürich, Otto-Stern-Weg 7, 8093 Zürich, Switzerland
| | - František Surman
- Tissue Engineering + Biofabrication HPL J22, ETH Zürich, Otto-Stern-Weg 7, 8093 Zürich, Switzerland
| | - Marcy Zenobi-Wong
- Tissue Engineering + Biofabrication HPL J22, ETH Zürich, Otto-Stern-Weg 7, 8093 Zürich, Switzerland
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23
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24
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Mangubat-Medina AE, Trial HO, Vargas RD, Setegne MT, Bader T, Distefano MD, Ball ZT. Red-shifted backbone N–H photocaging agents. Org Biomol Chem 2020; 18:5110-5114. [DOI: 10.1039/d0ob00923g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A 3-nitrodibenzofuran cure provides blue-shifted reactivity in vinylogous photocleavage processes.
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Affiliation(s)
| | | | | | | | - Taysir Bader
- Department of Chemistry
- University of Minnesota
- Minneapolis
- USA
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25
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Wang Y, Li S, Tian Z, Sun J, Liang S, Zhang B, Bai L, Zhang Y, Zhou X, Xiao S, Zhang Q, Zhang L, Zhang C, Zhou D. Generation of a caged lentiviral vector through an unnatural amino acid for photo-switchable transduction. Nucleic Acids Res 2019; 47:e114. [PMID: 31361892 PMCID: PMC6821241 DOI: 10.1093/nar/gkz659] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 07/06/2019] [Accepted: 07/18/2019] [Indexed: 12/22/2022] Open
Abstract
Application of viral vectors in gene delivery is attracting widespread attention but is hampered by the absence of control over transduction, which may lead to non-selective transduction with adverse side effects. To overcome some of these limitations, we proposed an unnatural amino acid aided caging–uncaging strategy for controlling the transduction capability of a viral vector. In this proof-of-principle study, we first expanded the genetic code of the lentiviral vector to incorporate an azido-containing unnatural amino acid (Nϵ-2-azidoethyloxycarbonyl-l-lysine, NAEK) site specifically within a lentiviral envelope protein. Screening of the resultant vectors indicated that NAEK incorporation at Y77 and Y116 was capable of inactivating viral transduction upon click conjugation with a photo-cleavable chemical molecule (T1). Exposure of the chimeric viral vector (Y77-T1) to UVA light subsequently removed the photo-caging group and restored the transduction capability of lentiviral vector both in vitro and in vivo. Our results indicate that the use of the photo-uncage activation procedure can reverse deactivated lentiviral vectors and thus enable regulation of viral transduction in a switchable manner. The methods presented here may be a general approach for generating various switchable vectors that respond to different stimulations and adapt to different viral vectors.
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Affiliation(s)
- Yan Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Shuai Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zhenyu Tian
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Jiaqi Sun
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Shuobin Liang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Bo Zhang
- Center for Translational Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Lu Bai
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Yuanjie Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xueying Zhou
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Sulong Xiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Qiang Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Lihe Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Chuanling Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Demin Zhou
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.,Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
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26
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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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27
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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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28
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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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29
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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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30
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Chen C, Wang Z, Zhang J, Fan X, Xu L, Tang X. Dextran-Conjugated Caged siRNA Nanoparticles for Photochemical Regulation of RNAi-Induced Gene Silencing in Cells and Mice. Bioconjug Chem 2019; 30:1459-1465. [DOI: 10.1021/acs.bioconjchem.9b00204] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Changmai Chen
- State Key Laboratory of Natural and Biomimetic Drugs, Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Zhongyu Wang
- State Key Laboratory of Natural and Biomimetic Drugs, Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Jinhao Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Xinli Fan
- State Key Laboratory of Natural and Biomimetic Drugs, Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Luzheng Xu
- Medical and Health Analytical Center, Peking University, Beijing, 100191, China
| | - Xinjing Tang
- State Key Laboratory of Natural and Biomimetic Drugs, Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
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Zhu D, Roy S, Liu Z, Weller H, Parak WJ, Feliu N. Remotely controlled opening of delivery vehicles and release of cargo by external triggers. Adv Drug Deliv Rev 2019; 138:117-132. [PMID: 30315833 DOI: 10.1016/j.addr.2018.10.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/23/2018] [Accepted: 10/08/2018] [Indexed: 01/11/2023]
Abstract
Tremendous efforts have been devoted to the development of future nanomedicines that can be specifically designed to incorporate responsive elements that undergo modification in structural properties upon external triggers. One potential use of such stimuli-responsive materials is to release encapsulated cargo upon excitation by an external trigger. Today, such stimuli-response materials allow for spatial and temporal tunability, which enables the controlled delivery of compounds in a specific and dose-dependent manner. This potentially is of great interest for medicine (e.g. allowing for remotely controlled drug delivery to cells, etc.). Among the different external exogenous and endogenous stimuli used to control the desired release, light and magnetic fields offer interesting possibilities, allowing defined, real time control of intracellular releases. In this review we highlight the use of stimuli-responsive controlled release systems that are able to respond to light and magnetic field triggers for controlling the release of encapsulated cargo inside cells. We discuss established approaches and technologies and describe prominent examples. Special attention is devoted towards polymer capsules and polymer vesicles as containers for encapsulated cargo molecules. The advantages and disadvantages of this methodology in both, in vitro and in vivo models are discussed. An overview of challenges associate with the successful translation of those stimuli-responsive materials towards future applications in the direction of potential clinical use is given.
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Affiliation(s)
- Dingcheng Zhu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany
| | - Sathi Roy
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany
| | - Ziyao Liu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany
| | - Horst Weller
- Fachbereich Chemie, Universität Hamburg, Hamburg, Germany
| | - Wolfgang J Parak
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany; Fachbereich Chemie, Universität Hamburg, Hamburg, Germany
| | - Neus Feliu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany; Experimental Cancer Medicine, Department of Laboratory Medicine (LABMED), Karolinska Institutet, Stockholm, Sweden.
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Ronzitti E, Emiliani V, Papagiakoumou E. Methods for Three-Dimensional All-Optical Manipulation of Neural Circuits. Front Cell Neurosci 2018; 12:469. [PMID: 30618626 PMCID: PMC6304748 DOI: 10.3389/fncel.2018.00469] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 11/19/2018] [Indexed: 12/18/2022] Open
Abstract
Optical means for modulating and monitoring neuronal activity, have provided substantial insights to neurophysiology and toward our understanding of how the brain works. Optogenetic actuators, calcium or voltage imaging probes and other molecular tools, combined with advanced microscopies have allowed an "all-optical" readout and modulation of neural circuits. Completion of this remarkable work is evolving toward a three-dimensional (3D) manipulation of neural ensembles at a high spatiotemporal resolution. Recently, original optical methods have been proposed for both activating and monitoring neurons in a 3D space, mainly through optogenetic compounds. Here, we review these methods and anticipate possible combinations among them.
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Affiliation(s)
| | | | - Eirini Papagiakoumou
- Wavefront Engineering Microscopy Group, Photonics Department, Institut de la Vision, Sorbonne Université, Inserm S968, CNRS UMR7210, Paris, France
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