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Matsuura K, Inaba H. Photoresponsive peptide materials: Spatiotemporal control of self-assembly and biological functions. BIOPHYSICS REVIEWS 2023; 4:041303. [PMID: 38505425 PMCID: PMC10903425 DOI: 10.1063/5.0179171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 11/27/2023] [Indexed: 03/21/2024]
Abstract
Peptides work as both functional molecules to modulate various biological phenomena and self-assembling artificial materials. The introduction of photoresponsive units to peptides allows the spatiotemporal remote control of their structure and function upon light irradiation. This article overviews the photoresponsive peptide design, interaction with biomolecules, and applications in self-assembling materials over the last 30 years. Peptides modified with photochromic (photoisomerizable) molecules, such as azobenzene and spiropyran, reversibly photo-controlled the binding to biomolecules and nanostructure formation through self-assembly. Photocleavable molecular units irreversibly control the functions of peptides through cleavage of the main chain and deprotection by light. Photocrosslinking between peptides or between peptides and other biomolecules enhances the structural stability of peptide assemblies and complexes. These photoresponsive peptides spatiotemporally controlled the formation and dissociation of peptide assemblies, gene expressions, protein-drug interactions, protein-protein interactions, liposome deformation and motility, cytoskeleton structure and stability, and cell functions by appropriate light irradiation. These molecular systems can be applied to photo-control biological functions, molecular robots, artificial cells, and next-generation smart drug delivery materials.
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2
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Bilbrough T, Piemontese E, Seitz O. Dissecting the role of protein phosphorylation: a chemical biology toolbox. Chem Soc Rev 2022; 51:5691-5730. [PMID: 35726784 DOI: 10.1039/d1cs00991e] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Protein phosphorylation is a crucial regulator of protein and cellular function, yet, despite identifying an enormous number of phosphorylation sites, the role of most is still unclear. Each phosphoform, the particular combination of phosphorylations, of a protein has distinct and diverse biological consequences. Aberrant phosphorylation is implicated in the development of many diseases. To investigate their function, access to defined protein phosphoforms is essential. Materials obtained from cells often are complex mixtures. Recombinant methods can provide access to defined phosphoforms if site-specifically acting kinases are known, but the methods fail to provide homogenous material when several amino acid side chains compete for phosphorylation. Chemical and chemoenzymatic synthesis has provided an invaluable toolbox to enable access to previously unreachable phosphoforms of proteins. In this review, we selected important tools that enable access to homogeneously phosphorylated protein and discuss examples that demonstrate how they can be applied. Firstly, we discuss the synthesis of phosphopeptides and proteins through chemical and enzymatic means and their advantages and limitations. Secondly, we showcase illustrative examples that applied these tools to answer biological questions pertaining to proteins involved in signal transduction, control of transcription, neurodegenerative diseases and aggregation, apoptosis and autophagy, and transmembrane proteins. We discuss the opportunities and challenges in the field.
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Affiliation(s)
- Tim Bilbrough
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany.
| | - Emanuele Piemontese
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany.
| | - Oliver Seitz
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany.
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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: 258] [Impact Index Per Article: 64.5] [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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4
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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: 92] [Impact Index Per Article: 18.4] [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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Cheong H, Kim J, Mu J, Zhang W, Li J, Yang H, Xing B. Spatiotemporal‐Controlled Reporter for Cell‐Surface Proteolytic Enzyme Activity Visualization. Chembiochem 2018; 20:561-567. [DOI: 10.1002/cbic.201800445] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 10/08/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Haolun Cheong
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Jisu Kim
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Jing Mu
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Wenmin Zhang
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
- College of ChemistryFuzhou University Fuzhou Fujian 350116 P.R. China
| | - Juan Li
- College of ChemistryFuzhou University Fuzhou Fujian 350116 P.R. China
| | - HuangHao Yang
- College of ChemistryFuzhou University Fuzhou Fujian 350116 P.R. China
| | - Bengang Xing
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
- College of ChemistryFuzhou University Fuzhou Fujian 350116 P.R. China
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Senadheera SN, Yousef AL, Givens RS. Photorelease of phosphates: Mild methods for protecting phosphate derivatives. Beilstein J Org Chem 2014; 10:2038-54. [PMID: 25246963 PMCID: PMC4168878 DOI: 10.3762/bjoc.10.212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Accepted: 08/07/2014] [Indexed: 12/17/2022] Open
Abstract
We have developed a new photoremovable protecting group for caging phosphates in the near UV. Diethyl 2-(4-hydroxy-1-naphthyl)-2-oxoethyl phosphate (14a) quantitatively releases diethyl phosphate upon irradiation in aq MeOH or aq MeCN at 350 nm, with quantum efficiencies ranging from 0.021 to 0.067 depending on the solvent composition. The deprotection reactions originate from the triplet excited state, are robust under ambient conditions and can be carried on to 100% conversion. Similar results were found with diethyl 2-(4-methoxy-1-naphthyl)-2-oxoethyl phosphate (14b), although it was significantly less efficient compared with 14a. A key step in the deprotection reaction in aq MeOH is considered to be a Favorskii rearrangement of the naphthyl ketone motif of 14a,b to naphthylacetate esters 25 and 26. Disruption of the ketone-naphthyl ring conjugation significantly shifts the photoproduct absorption away from the effective incident wavelength for decaging of 14, driving the reaction to completion. The Favorskii rearrangement does not occur in aqueous acetonitrile although diethyl phosphate is released. Other substitution patterns on the naphthyl or quinolin-5-yl core, such as the 2,6-naphthyl 10 or 8-benzyloxyquinolin-5-yl 24 platforms, also do not rearrange by aryl migration upon photolysis and, therefore, do not proceed to completion. The 2,6-naphthyl ketone platform instead remains intact whereas the quinolin-5-yl ketone fragments to a much more complex, highly absorbing reaction mixture that competes for the incident light.
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Affiliation(s)
| | - Abraham L Yousef
- Department of Chemistry, University of Kansas, Lawrence, Kansas 66045, U.S.A
| | - Richard S Givens
- Department of Chemistry, University of Kansas, Lawrence, Kansas 66045, U.S.A
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Kawakami T, Sasaki T, Reid PC, Murakami H. Incorporation of electrically charged N-alkyl amino acids into ribosomally synthesized peptides via post-translational conversion. Chem Sci 2014. [DOI: 10.1039/c3sc52744a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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8
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Kawakami T, Ishizawa T, Murakami H. Extensive Reprogramming of the Genetic Code for Genetically Encoded Synthesis of Highly N-Alkylated Polycyclic Peptidomimetics. J Am Chem Soc 2013; 135:12297-304. [DOI: 10.1021/ja405044k] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Takashi Kawakami
- Department of Life Sciences, Graduate
School of Arts
and Sciences, The University of Tokyo,
3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Takahiro Ishizawa
- Department of Life Sciences, Graduate
School of Arts
and Sciences, The University of Tokyo,
3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Hiroshi Murakami
- Department of Life Sciences, Graduate
School of Arts
and Sciences, The University of Tokyo,
3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
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Matsuo K, Kioi Y, Yasui R, Takaoka Y, Miki T, Fujishima SH, Hamachi I. One-step construction of caged carbonic anhydrase I using a ligand-directed acyl imidazole-based protein labeling method. Chem Sci 2013. [DOI: 10.1039/c3sc50560j] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Furuta T, Manabe K, Teraoka A, Murakoshi K, Ohtsubo A, Suzuki A. Design, synthesis, and photochemistry of modular caging groups for photoreleasable nucleotides. Org Lett 2012. [PMID: 23205776 DOI: 10.1021/ol3029093] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A modular approach to preparing caged nucleotides having additional properties has been achieved. The modular caging agent includes three components: an amine reactive NHS ester moiety, a photoactive Bhc group, and tosylhydrazone as a precursor of the diazomethyl group. Various amines including biotin and an Arg-Gly-Asp (RGD) peptide were introduced into the key intermediate via amide linkage. The Bio-Bhc-diazo thus synthesized enables the preparation of a photoreleasable siRNA with additional properties.
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Affiliation(s)
- Toshiaki Furuta
- Department of Biomolecular Science, Faculty of Science, Toho University, 2-2-1 Miyama, Funabashi, 274-8510, Japan.
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Givens RS, Rubina M, Wirz J. Applications of p-hydroxyphenacyl (pHP) and coumarin-4-ylmethyl photoremovable protecting groups. Photochem Photobiol Sci 2012; 11:472-88. [PMID: 22344608 PMCID: PMC3422890 DOI: 10.1039/c2pp05399c] [Citation(s) in RCA: 115] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2011] [Accepted: 01/20/2012] [Indexed: 12/12/2022]
Abstract
Most applications of photoremovable protecting groups have used o-nitrobenzyl compounds and their (often commercially available) derivatives that, however, have several disadvantages. The focus of this review is on applications of the more recently developed title compounds, which are especially well suited for time-resolved biochemical and physiological investigations, because they release the caged substrates in high yield within a few nanoseconds or less. Together, these two chromophores cover the action spectrum for photorelease from >700 nm to 250 nm.
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Affiliation(s)
- Richard S. Givens
- Department of Chemistry, University of Kansas, Kansas, USA; Tel: +1 785 864 3846
| | - Marina Rubina
- Department of Chemistry, University of Kansas, Kansas, USA; Tel: +1 785 864 1574
| | - Jakob Wirz
- Department of Chemistry, Klingelbergstrasse 80, CH-4056 Basel, Switzerland; Tel: +41 76 413 47 48
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12
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Murayama S, Ishizuka F, Takagi K, Inoda H, Sano A, Santa T, Kato M. Small Mesh Size Hydrogel for Functional Photocontrol of Encapsulated Enzymes and Small Probe Molecules. Anal Chem 2012; 84:1374-9. [DOI: 10.1021/ac2023603] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shuhei Murayama
- Graduate School
of Pharmaceutical
Sciences and Global COE Program, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Fumi Ishizuka
- Graduate School
of Pharmaceutical
Sciences and Global COE Program, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Faculty of Pharmaceutical Science, Tokyo University of Science, 2641 Yamazaki, Noda-shi,
Chiba 278-8510, Japan
| | - Kaihei Takagi
- Graduate School
of Pharmaceutical
Sciences and Global COE Program, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hirotaka Inoda
- Graduate School
of Pharmaceutical
Sciences and Global COE Program, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Akira Sano
- Faculty of Pharmaceutical Science, Tokyo University of Science, 2641 Yamazaki, Noda-shi,
Chiba 278-8510, Japan
| | - Tomofumi Santa
- Graduate School
of Pharmaceutical
Sciences and Global COE Program, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Masaru Kato
- Graduate School
of Pharmaceutical
Sciences and Global COE Program, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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Yang Y, Shao Q, Deng R, Wang C, Teng X, Cheng K, Cheng Z, Huang L, Liu Z, Liu X, Xing B. In vitro and in vivo uncaging and bioluminescence imaging by using photocaged upconversion nanoparticles. Angew Chem Int Ed Engl 2012; 51:3125-9. [PMID: 22241651 DOI: 10.1002/anie.201107919] [Citation(s) in RCA: 404] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2011] [Revised: 12/13/2011] [Indexed: 12/21/2022]
Affiliation(s)
- Yanmei Yang
- Division of Chemistry and Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore, 637371 Singapore
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14
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Yang Y, Shao Q, Deng R, Wang C, Teng X, Cheng K, Cheng Z, Huang L, Liu Z, Liu X, Xing B. In Vitro and In Vivo Uncaging and Bioluminescence Imaging by Using Photocaged Upconversion Nanoparticles. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201107919] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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16
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Chromophores for the Delivery of Bioactive Molecules with Two-Photon Excitation. NEUROMETHODS 2011. [DOI: 10.1007/978-1-61779-031-7_4] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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17
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Murayama S, Kato M. Photocontrol of biological activities of protein by means of a hydrogel. Anal Chem 2010; 82:2186-91. [PMID: 20155976 DOI: 10.1021/ac1003757] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Because proteins show high activity and are essential for biological function, proteins are important and useful biomolecules; however, it is hard to control activities whenever and wherever required. Although some photoactivated proteins have been reported to date, such proteins have required a protein-specific design and site-specific chemical modification. We have recently developed a method to encapsulate proteins within hydrogels that can be photocleaved with ultraviolet (UV) light, thus releasing the proteins; we refer to this method as "protein activation and release from cage by external light (PARCEL)." Biological activities of protein restricted by hydrogel encapsulation were recovered by applying external light to the protein-hydrogel. We also used these hydrogels to screen selective ligands as therapeutic agents for disease. This innovative technique for basic research in biology and biochemistry might also be useful in practical or clinical applications, such as biosensing, catalysis, and drug delivery.
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Affiliation(s)
- Shuhei Murayama
- Graduate School of Pharmaceutical Sciences and Global COE Program, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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18
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Shigenaga A, Yamamoto J, Sumikawa Y, Furuta T, Otaka A. Development and photo-responsive peptide bond cleavage reaction of two-photon near-infrared excitation-responsive peptide. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.03.079] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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19
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Hashiro S, Tsukiji S, Nagamune T. Rapid and Efficient Induction of an Endogenous Cell Signaling Event by Subcellular Targeting of a Synthetic Ligand. J Am Chem Soc 2009; 131:13568-9. [DOI: 10.1021/ja903706t] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shuhei Hashiro
- Department of Chemistry and Biotechnology, Department of Bioengineering, School of Engineering, and Center for NanoBio Integration, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Shinya Tsukiji
- Department of Chemistry and Biotechnology, Department of Bioengineering, School of Engineering, and Center for NanoBio Integration, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Teruyuki Nagamune
- Department of Chemistry and Biotechnology, Department of Bioengineering, School of Engineering, and Center for NanoBio Integration, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Lee HM, Larson DR, Lawrence DS. Illuminating the chemistry of life: design, synthesis, and applications of "caged" and related photoresponsive compounds. ACS Chem Biol 2009; 4:409-27. [PMID: 19298086 DOI: 10.1021/cb900036s] [Citation(s) in RCA: 369] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Biological systems are characterized by a level of spatial and temporal organization that often lies beyond the grasp of present day methods. Light-modulated bioreagents, including analogs of low molecular weight compounds, peptides, proteins, and nucleic acids, represent a compelling strategy to probe, perturb, or sample biological phenomena with the requisite control to address many of these organizational complexities. Although this technology has created considerable excitement in the chemical community, its application to biological questions has been relatively limited. We describe the challenges associated with the design, synthesis, and use of light-responsive bioreagents; the scope and limitations associated with the instrumentation required for their application; and recent chemical and biological advances in this field.
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Affiliation(s)
- Hsien-Ming Lee
- Departments of Chemistry, Medicinal Chemistry & Natural Products, and Pharmacology, The University of North Carolina, Chapel Hill, North Carolina 27599-3290
| | - Daniel R. Larson
- Department of Anatomy and Structural Biology, The Albert Einstein College of Medicine of Yeshiva University, Bronx, New York 10461
| | - David S. Lawrence
- Departments of Chemistry, Medicinal Chemistry & Natural Products, and Pharmacology, The University of North Carolina, Chapel Hill, North Carolina 27599-3290
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Shao Q, Jiang T, Ren G, Cheng Z, Xing B. Photoactivable bioluminescent probes for imaging luciferase activity. Chem Commun (Camb) 2009:4028-30. [DOI: 10.1039/b908346d] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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22
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Katayama K, Tsukiji S, Furuta T, Nagamune T. A bromocoumarin-based linker for synthesis of photocleavable peptidoconjugates with high photosensitivity. Chem Commun (Camb) 2008:5399-401. [PMID: 18985223 DOI: 10.1039/b812058g] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new bromocoumarin-based bi-functional linker was developed for preparing photocleavable peptides and proteins with high photolytic efficiency, which have many potential applications in the study and engineering of biological systems.
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Affiliation(s)
- Kentaro Katayama
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
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