1
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Mengji R, Paladugu D, Saha B, Jana A. Single-Photon Deep-Red Light-Triggered Direct Release of an Anticancer Drug: An Investigative Tumor Regression Study on a Breast Cancer Spheroidal Tumor Model. J Med Chem 2024; 67:11069-11085. [PMID: 38913981 DOI: 10.1021/acs.jmedchem.4c00432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Breast adenocarcinoma ranks high among the foremost lethal cancers affecting women globally, with its triple-negative subtype posing the greatest challenge due to its aggressiveness and resistance to treatment. To enhance survivorship and patients' quality of life, exploring advanced therapeutic approaches beyond conventional chemotherapies is imperative. To address this, innovative nanoscale drug delivery systems have been developed, offering precise, localized, and stimuli-triggered release of anticancer agents. Here, we present perylenemonoimide nanoparticle-based vehicles engineered for deep-red light activation, enabling direct chlorambucil release. Synthesized via the reprecipitation technique, these nanoparticles were thoroughly characterized. Light-induced drug release was monitored via spectroscopic and reverse-phase HPLC. The efficacy of the said drug delivery system was evaluated in both two-dimensional and three-dimensional spheroidal cancer models, demonstrating significant tumor regression attributed to apoptotic cell death induced by efficient drug release within cells and spheroids. This approach holds promise for advancing targeted breast cancer therapy, enhancing treatment efficacy and minimizing adverse effects.
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Affiliation(s)
- Rakesh Mengji
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Dileep Paladugu
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Biswajit Saha
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Avijit Jana
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
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2
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Fukushima H, Furusawa A, Takao S, Thankarajan E, Luciano MP, Usama SM, Kano M, Okuyama S, Yamamoto H, Suzuki M, Kano M, Choyke PL, Schnermann MJ, Kobayashi H. Near-infrared duocarmycin photorelease from a Treg-targeted antibody-drug conjugate improves efficacy of PD-1 blockade in syngeneic murine tumor models. Oncoimmunology 2024; 13:2370544. [PMID: 38915782 PMCID: PMC11195482 DOI: 10.1080/2162402x.2024.2370544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 06/17/2024] [Indexed: 06/26/2024] Open
Abstract
Regulatory T cells (Tregs) play a crucial role in mediating immunosuppression in the tumor microenvironment. Furthermore, Tregs contribute to the lack of efficacy and hyperprogressive disease upon Programmed cell death protein 1 (PD-1) blockade immunotherapy. Thus, Tregs are considered a promising therapeutic target, especially when combined with PD-1 blockade. However, systemic depletion of Tregs causes severe autoimmune adverse events, which poses a serious challenge to Treg-directed therapy. Here, we developed a novel treatment to locally and predominantly damage Tregs by near-infrared duocarmycin photorelease (NIR-DPR). In this technology, we prepared anti-CD25 F(ab')2 conjugates, which site-specifically uncage duocarmycin in CD25-expressing cells upon exposure to NIR light. In vitro, CD25-targeted NIR-DPR significantly increased apoptosis of CD25-expressing HT2-A5E cells. When tumors were irradiated with NIR light in vivo, intratumoral CD25+ Treg populations decreased and Ki-67 and Interleukin-10 expression was suppressed, indicating impaired functioning of intratumoral CD25+ Tregs. CD25-targeted NIR-DPR suppressed tumor growth and improved survival in syngeneic murine tumor models. Of note, CD25-targeted NIR-DPR synergistically enhanced the efficacy of PD-1 blockade, especially in tumors with higher CD8+/Treg PD-1 ratios. Furthermore, the combination therapy induced significant anti-cancer immunity including maturation of dendritic cells, extensive intratumoral infiltration of cytotoxic CD8+ T cells, and increased differentiation into CD8+ memory T cells. Altogether, CD25-targeted NIR-DPR locally and predominantly targets Tregs in the tumor microenvironment and synergistically improves the efficacy of PD-1 blockade, suggesting that this combination therapy can be a rational anti-cancer combination immunotherapy.
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Affiliation(s)
- Hiroshi Fukushima
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Aki Furusawa
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Seiichiro Takao
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Ebaston Thankarajan
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, NIH, Frederick, MD, USA
| | - Michael P Luciano
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, NIH, Frederick, MD, USA
| | - Syed Muhammad Usama
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, NIH, Frederick, MD, USA
| | - Makoto Kano
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Shuhei Okuyama
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Hiroshi Yamamoto
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Motofumi Suzuki
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Miyu Kano
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Peter L Choyke
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, NIH, Frederick, MD, USA
| | - Hisataka Kobayashi
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
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3
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Li H, Wang J, Jiao L, Hao E. BODIPY-based photocages: rational design and their biomedical application. Chem Commun (Camb) 2024; 60:5770-5789. [PMID: 38752310 DOI: 10.1039/d4cc01412j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
Photocages, also known as photoactivated protective groups (PPGs), have been utilized to achieve controlled release of target molecules in a non-invasive and spatiotemporal manner. In the past decade, BODIPY fluorophores, a well-established class of fluorescent dyes, have emerged as a novel type of photoactivated protective group capable of efficiently releasing cargo species upon irradiation. This is due to their exceptional properties, including high molar absorption coefficients, resistance to photochemical and thermal degradation, multiple modification sites, favorable uncaging quantum yields, and highly adjustable spectral properties. Compared to traditional photocages that mainly absorb UV light, BODIPY-based photocages that absorb visible/near-infrared (Vis/NIR) light offer advantages such as deeper tissue penetration and reduced bio-autofluorescence, making them highly suitable for various biomedical applications. Consequently, different types of photoactivated protective groups based on the BODIPY skeleton have been established. This highlight provides a comprehensive overview of the strategies employed to construct BODIPY photocages by substituting leaving groups at different positions within the BODIPY fluorophore, including the meso-methyl position, boron position, 2,6-position, and 3,5-position. Furthermore, the application of these BODIPY photocages in biomedical fields, such as fluorescence imaging and controlled release of active species, is discussed.
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Affiliation(s)
- Heng Li
- Laboratory of Functional Molecular Solids, Ministry of Education, School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China.
| | - Jun Wang
- Anhui Engineering Laboratory for Medicinal and Food Homologous Natural Resources Exploration, Department of Chemistry and Pharmaceutical Engineering, Hefei Normal University, Hefei, 230601, China.
| | - Lijuan Jiao
- Laboratory of Functional Molecular Solids, Ministry of Education, School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China.
| | - Erhong Hao
- Laboratory of Functional Molecular Solids, Ministry of Education, School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China.
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4
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Russo M, Janeková H, Meier D, Generali M, Štacko P. Light in a Heartbeat: Bond Scission by a Single Photon above 800 nm. J Am Chem Soc 2024; 146:8417-8424. [PMID: 38499198 PMCID: PMC10979397 DOI: 10.1021/jacs.3c14197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 03/03/2024] [Accepted: 03/05/2024] [Indexed: 03/20/2024]
Abstract
Photocages enable scientists to take full control over the activity of molecules using light as a biocompatible stimulus. Their emerging applications in photoactivated therapies call for efficient uncaging in the near-infrared (NIR) window, which represents a fundamental challenge. Here, we report synthetically accessible cyanine photocages that liberate alcohol, phenol, amine, and thiol payloads upon irradiation with NIR light up to 820 nm in aqueous media. The photocages display a unique chameleon-like behavior and operate via two distinct uncaging mechanisms: photooxidation and heterolytic bond cleavage. The latter process constitutes the first example of a direct bond scission by a single photon ever observed in cyanine dyes or at wavelengths exceeding 800 nm. Modulation of the beating rates of human cardiomyocytes that we achieved by light-actuated release of adrenergic agonist etilefrine at submicromolar concentrations and low NIR light doses (∼12 J cm-2) highlights the potential of these photocages in biology and medicine.
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Affiliation(s)
- Marina Russo
- Department
of Chemistry, University of Zurich, Wintherthurerstrasse 190, Zurich CH-8057, Switzerland
| | - Hana Janeková
- Department
of Chemistry, University of Zurich, Wintherthurerstrasse 190, Zurich CH-8057, Switzerland
| | - Debora Meier
- Institute
for Regenerative Medicine (IREM), University
of Zurich, Wagistrasse 12, Zurich CH-8952, Switzerland
| | - Melanie Generali
- Institute
for Regenerative Medicine (IREM), University
of Zurich, Wagistrasse 12, Zurich CH-8952, Switzerland
| | - Peter Štacko
- Department
of Chemistry, University of Zurich, Wintherthurerstrasse 190, Zurich CH-8057, Switzerland
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5
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Maller C, Schedel F, Köhn M. A Modular Approach for the Synthesis of Diverse Heterobifunctional Cyanine Dyes. J Org Chem 2024; 89:3844-3856. [PMID: 38413005 PMCID: PMC10949230 DOI: 10.1021/acs.joc.3c02673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/07/2024] [Accepted: 02/13/2024] [Indexed: 02/29/2024]
Abstract
Herein, we present a straightforward synthetic route for the design and synthesis of diverse heterobifunctional cyanine 5 dyes. We optimized the workup by harnessing the pH- and functional group-dependent solubility of the asymmetric cyanine 5 dyes. Therefore, purification through chromatography is deferred until the last synthesis step. Demonstrating successful large-scale synthesis, our modular approach prevents functional group degradation by introducing them in the last synthesis step. These modifiable heterobifunctional dyes offer significant utility in advancing biological studies.
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Affiliation(s)
- Corina Maller
- Signalling
Research Centres BIOSS and CIBSS, University
of Freiburg, Freiburg 79104, Germany
- Faculty
of Chemistry and Pharmacy, University of
Freiburg, Freiburg 79104, Germany
- Faculty
of Biology, University of Freiburg, Freiburg 79104, Germany
| | - Franziska Schedel
- Signalling
Research Centres BIOSS and CIBSS, University
of Freiburg, Freiburg 79104, Germany
- Faculty
of Chemistry and Pharmacy, University of
Freiburg, Freiburg 79104, Germany
- Faculty
of Biology, University of Freiburg, Freiburg 79104, Germany
- Spermann
Graduate School of Biology and Medicine (SGBM), University of Freiburg, Freiburg 79104, Germany
| | - Maja Köhn
- Signalling
Research Centres BIOSS and CIBSS, University
of Freiburg, Freiburg 79104, Germany
- Faculty
of Biology, University of Freiburg, Freiburg 79104, Germany
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6
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Liang X, Qian S, Lou Z, Hu R, Hou Y, Chen PR, Fan X. Near Infrared Light-Triggered Photocatalytic Decaging for Remote-Controlled Spatiotemporal Activation in Living Mice. Angew Chem Int Ed Engl 2023; 62:e202310920. [PMID: 37842955 DOI: 10.1002/anie.202310920] [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: 07/31/2023] [Revised: 09/30/2023] [Accepted: 10/11/2023] [Indexed: 10/17/2023]
Abstract
Spatiotemporal manipulation of biological processes in living animals using noninvasive, remote-controlled stimuli is a captivating but challenging endeavor. Herein, we present the development of a biocompatible photocatalytic technology termed CAT-NIR, which uses external near infrared light (NIR, 740 nm) to trigger decaging reactions in living mice. The Os(II) terpyridine complex was identified as an efficient NIR photocatalyst for promoting deboronative hydroxylation reactions via superoxide generation in the presence of NIR light, resulting in the deprotection of phenol groups and the release of bioactive molecules under living conditions. The validation of the CAT-NIR system was demonstrated through the NIR-triggered rescue of fluorophores, prodrugs as well as biomolecules ranging from amino acids, peptides to proteins. Furthermore, by combining genetic code expansion and computer-aided screening, CAT-NIR could regulate affibody binding to the cell surface receptor HER2, providing a selective cell tagging technology through external NIR light. In particular, the tissue-penetrating ability of NIR light allowed for facile prodrug activation in living mice, enabling noninvasive, remote-controlled rescue of drug molecules. Given its broad adaptability, this CAT-NIR system may open new opportunities for manipulating the functions of bioactive molecules in living animals using external NIR light with spatiotemporal resolution.
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Grants
- 22222701, 22077004, 92253301, 21937001, 22137001 National Natural Science Foundation of China
- 22222701, 22077004, 92253301, 22321005, 21937001, 22137001 National Natural Science Foundation of China
- 2019YFA0904201, 2022YFA1304700, 2022YFE0114900 Ministry of Science and Technology
- Z200010, Z221100007422046 Beijing Municipal Science and Technology Commission
- YGLX202338 Beijing Hospitals Authority Clinical Medicine Development Funding
- Li Ge-Zhao Ning Life Science Junior Research Fellowship
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Affiliation(s)
- Xuan Liang
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China
| | - Shan Qian
- Department of Pharmaceutical Engineering, College of Food and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Zhizheng Lou
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Renming Hu
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Yuchen Hou
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Peng R Chen
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China
| | - Xinyuan Fan
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
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7
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Pratihar S, Bhagavath KK, Govindaraju T. Small molecules and conjugates as theranostic agents. RSC Chem Biol 2023; 4:826-849. [PMID: 37920393 PMCID: PMC10619134 DOI: 10.1039/d3cb00073g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/28/2023] [Indexed: 11/04/2023] Open
Abstract
Theranostics, the integration of therapy and diagnostics into a single entity for the purpose of monitoring disease progression and treatment response. Diagnostics involves identifying specific characteristics of a disease, while therapeutics refers to the treatment of the disease based on this identification. Advancements in medicinal chemistry and technology have led to the development of drug modalities that provide targeted therapeutic effects while also providing real-time updates on disease progression and treatment. The inclusion of imaging in therapy has significantly improved the prognosis of devastating diseases such as cancer and neurodegeneration. Currently, theranostic treatment approaches are based on nuclear medicine, while nanomedicine and a wide diversity of macromolecular systems such as gels, polymers, aptamers, and dendrimer-based agents are being developed for the purpose. Theranostic agents have significant roles to play in both early-stage drug development and clinical-stage therapeutic-containing drug candidates. This review will briefly outline the pros and cons of existing and evolving theranostic approaches before comprehensively discussing the role of small molecules and their conjugates.
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Affiliation(s)
- Sumon Pratihar
- Bioorganic Chemistry Laboratory, New Chemistry Unit, and School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur P.O. Bengaluru 560064 Karnataka India
| | - Krithi K Bhagavath
- Bioorganic Chemistry Laboratory, New Chemistry Unit, and School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur P.O. Bengaluru 560064 Karnataka India
| | - Thimmaiah Govindaraju
- Bioorganic Chemistry Laboratory, New Chemistry Unit, and School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur P.O. Bengaluru 560064 Karnataka India
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8
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Crawford MC, Tripu DR, Barritt SA, Jing Y, Gallimore D, Kales SC, Bhanu NV, Xiong Y, Fang Y, Butler KAT, LeClair CA, Coussens NP, Simeonov A, Garcia BA, Dibble CC, Meier JL. Comparative Analysis of Drug-like EP300/CREBBP Acetyltransferase Inhibitors. ACS Chem Biol 2023; 18:2249-2258. [PMID: 37737090 PMCID: PMC11059198 DOI: 10.1021/acschembio.3c00293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
The human acetyltransferase paralogues EP300 and CREBBP are master regulators of lysine acetylation whose activity has been implicated in various cancers. In the half-decade since the first drug-like inhibitors of these proteins were reported, three unique molecular scaffolds have taken precedent: an indane spiro-oxazolidinedione (A-485), a spiro-hydantoin (iP300w), and an aminopyridine (CPI-1612). Despite increasing use of these molecules to study lysine acetylation, the dearth of data regarding their relative biochemical and biological potencies makes their application as chemical probes a challenge. To address this gap, here we present a comparative study of drug-like EP300/CREBBP acetyltransferase inhibitors. First, we determine the biochemical and biological potencies of A-485, iP300w, and CPI-1612, highlighting the increased potencies of the latter two compounds at physiological acetyl-CoA concentrations. Cellular evaluation shows that inhibition of histone acetylation and cell growth closely aligns with the biochemical potencies of these molecules, consistent with an on-target mechanism. Finally, we demonstrate the utility of comparative pharmacology by using it to investigate the hypothesis that increased CoA synthesis caused by knockout of PANK4 can competitively antagonize the binding of EP300/CREBBP inhibitors and demonstrate proof-of-concept photorelease of a potent inhibitor molecule. Overall, our study demonstrates how knowledge of the relative inhibitor potency can guide the study of EP300/CREBBP-dependent mechanisms and suggests new approaches to target delivery, thus broadening the therapeutic window of these preclinical epigenetic drug candidates.
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Affiliation(s)
- McKenna C Crawford
- Chemical Biology Laboratory, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Deepika R Tripu
- Chemical Biology Laboratory, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Samuel A Barritt
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Yihang Jing
- Chemical Biology Laboratory, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Diamond Gallimore
- Chemical Biology Laboratory, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Stephen C Kales
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Natarajan V Bhanu
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, Missouri 63110, United States
| | - Ying Xiong
- Chemical Biology Laboratory, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Yuhong Fang
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Kamaria A T Butler
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Christopher A LeClair
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Nathan P Coussens
- Molecular Pharmacology Laboratories, Applied and Developmental Research Directorate, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702, United States
| | - Anton Simeonov
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Benjamin A Garcia
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, Missouri 63110, United States
| | - Christian C Dibble
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Jordan L Meier
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
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9
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Gupta A, Singh N, Gautam A, Dhakar N, Kumar S, Sasmal PK. Visible and NIR light photoactivatable o-hydroxycinnamate system for efficient drug release with fluorescence monitoring. RSC Med Chem 2023; 14:1088-1100. [PMID: 37360392 PMCID: PMC10285768 DOI: 10.1039/d2md00438k] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/28/2023] [Indexed: 10/28/2023] Open
Abstract
Photoactivatable protecting groups (PPGs) have become powerful materials for controlling the activity of biologically important molecules in the biomedical field. However, designing PPGs that can be efficiently activated by biologically benign visible and NIR light with fluorescence monitoring is still a great challenge. Herein, we report o-hydroxycinnamate-based PPGs that can be activated by both visible (one-photon) and NIR (two-photon) light for controlled drug release with real-time monitoring. Thus, a photoremovable 7-diethylamino o-hydroxycinnamate group is covalently attached to an anticancer drug, gemcitabine, to establish a photoactivatable prodrug system. Upon excitation by visible (400-700 nm) or NIR (800 nm) light, the prodrug efficiently releases drug which is quantified by monitoring the formation of a strongly fluorescent coumarin reporter. The prodrug is taken up by the cancer cells and interestingly accumulates within mitochondria as determined by FACS and fluorescence microscopy imaging. Further, the prodrug demonstrates photo-triggered, dose-dependent, and temporally controlled cell death upon irradiation with both visible and NIR light. This photoactivatable system could be useful and adapted in the future for the development of advanced therapies in biomedicine.
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Affiliation(s)
- Ajay Gupta
- School of Physical Sciences, Jawaharlal Nehru University New Delhi 110067 India
| | - Neelu Singh
- School of Physical Sciences, Jawaharlal Nehru University New Delhi 110067 India
| | - Aryan Gautam
- School of Physical Sciences, Jawaharlal Nehru University New Delhi 110067 India
| | - Neetesh Dhakar
- Department of Physics, Indian Institute of Technology Delhi New Delhi 110016 India
| | - Sunil Kumar
- Department of Physics, Indian Institute of Technology Delhi New Delhi 110016 India
| | - Pijus K Sasmal
- School of Physical Sciences, Jawaharlal Nehru University New Delhi 110067 India
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10
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Ding C, Du M, Xiong Z, Wang X, Li H, He E, Li H, Dang Y, Lu Q, Li S, Xiao R, Xu Z, Jing L, Deng L, Wang X, Geng M, Xie Z, Zhang A. Photochemically controlled activation of STING by CAIX-targeting photocaged agonists to suppress tumor cell growth. Chem Sci 2023; 14:5956-5964. [PMID: 37293644 PMCID: PMC10246697 DOI: 10.1039/d3sc01896b] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/05/2023] [Indexed: 06/10/2023] Open
Abstract
Controllable activation of the innate immune adapter protein - stimulator of interferon genes (STING) pathway is a critical challenge for the clinical development of STING agonists due to the potential "on-target off-tumor" toxicity caused by systematic activation of STING. Herein, we designed and synthesized a photo-caged STING agonist 2 with a tumor cell-targeting carbonic anhydrase inhibitor warhead, which could be readily uncaged by blue light to release the active STING agonist leading to remarkable activation of STING signaling. Furthermore, compound 2 was found to preferentially target tumor cells, stimulate the STING signaling in zebrafish embryo upon photo-uncaging and to induce proliferation of macrophages and upregulation of the mRNA expression of STING as well as its downstream NF-kB and cytokines, thus leading to significant suppression of tumor cell growth in a photo-dependent manner with reduced systemic toxicity. This photo-caged agonist not only provides a powerful tool to precisely trigger STING signalling, but also represents a novel controllable STING activation strategy for safer cancer immunotherapy.
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Affiliation(s)
- Chunyong Ding
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
- Zhangjiang Institute of Advanced Study, Shanghai Jiao Tong University Shanghai 200240 China
| | - Mengyan Du
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences Shanghai 201203 China
- University of Chinese Academy of Sciences Beijing 100049 China
- School of Life Science and Technology, ShanghaiTech University Shanghai 200031 China
| | - Zhi Xiong
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
- School of Pharmacy, Nanchang University Jiangxi 330000 China
| | - Xue Wang
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
| | - Hongji Li
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
| | - Ende He
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
| | - Han Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences Shanghai 201203 China
- School of Life Science and Technology, ShanghaiTech University Shanghai 200031 China
| | - Yijing Dang
- School of Chemistry and Molecular Engineering, East China Normal University Shanghai 200241 China
| | - Qing Lu
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
| | - Shicong Li
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
| | - Ruoxuan Xiao
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
| | - Zhiai Xu
- School of Chemistry and Molecular Engineering, East China Normal University Shanghai 200241 China
| | - Lili Jing
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
| | - Liufu Deng
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
| | - Xiyuan Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences Shanghai 201203 China
| | - Meiyu Geng
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences Shanghai 201203 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Zuoquan Xie
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences Shanghai 201203 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Ao Zhang
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, College of Pharmaceutical Sciences, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University Shanghai 200240 China +86 21 50806035
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11
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Wang C, Sun Y, Huang S, Wei Z, Tan J, Wu C, Chen Q, Zhang X. Self-Immolative Photosensitizers for Self-Reported Cancer Phototheranostics. J Am Chem Soc 2023. [PMID: 37216494 DOI: 10.1021/jacs.3c01666] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Photosensitizers to precise target and change fluorescence upon light illumination could accurately self-report where and when the photosensitizers work, enabling us to visualize the therapeutic process and precisely regulate treatment outcomes, which is the unremitting pursuit of precision and personalized medicine. Here, we report self-immolative photosensitizers by adopting a strategy of light-manipulated oxidative cleavage of C═C bonds that can generate a burst of reactive oxygen species, to cleave to release self-reported red-emitting products and trigger nonapoptotic cell oncosis. Strong electron-withdrawing groups are found to effectively suppress the C═C bond cleavage and phototoxicity via studying the structure-activity relationship, allowing us to elaborate NG1-NG5 that could temporarily inactivate the photosensitizer and quench the fluorescence by different glutathione (GSH)-responsive groups. Thereinto, NG2 with 2-cyano-4-nitrobenzene-1-sulfonyl group displays excellent GSH responsiveness than the other four. Surprisingly, NG2 shows better reactivity with GSH in weakly acidic condition, which inspires the application in weakly acidic tumor microenvironment where GSH elevates. To this end, we further synthesize NG-cRGD by anchoring integrin αvβ3 binding cyclic pentapeptide (cRGD) for tumor targeting. In A549 xenografted tumor mice, NG-cRGD successfully deprotects to restore near-infrared fluorescence because of elevated GSH in tumor site, which is subsequently cleaved upon light irradiation releasing red-emitting products to report photosensitizer working, while effectively ablating tumors via triggered oncosis. The advanced self-immolative organic photosensitizer may accelerate the development of self-reported phototheranostics in future precision oncology.
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Affiliation(s)
- Chunfei Wang
- Faculty of Health Sciences, University of Macau, Macau SAR 999078, China
| | - Yongjie Sun
- Faculty of Health Sciences, University of Macau, Macau SAR 999078, China
| | - Shaojuan Huang
- Faculty of Health Sciences, University of Macau, Macau SAR 999078, China
| | - Zixiang Wei
- Faculty of Health Sciences, University of Macau, Macau SAR 999078, China
| | - Jingyun Tan
- Faculty of Health Sciences, University of Macau, Macau SAR 999078, China
| | - Changfeng Wu
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Qiang Chen
- Faculty of Health Sciences, University of Macau, Macau SAR 999078, China
- MOE Frontiers Science Centre for Precision Oncology, University of Macau, Macau SAR 999078, China
| | - Xuanjun Zhang
- Faculty of Health Sciences, University of Macau, Macau SAR 999078, China
- MOE Frontiers Science Centre for Precision Oncology, University of Macau, Macau SAR 999078, China
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12
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López-Corrales M, Rovira A, Gandioso A, Nonell S, Bosch M, Marchán V. Mitochondria-Targeted COUPY Photocages: Synthesis and Visible-Light Photoactivation in Living Cells. J Org Chem 2023. [PMID: 37209100 DOI: 10.1021/acs.joc.3c00387] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Releasing bioactive molecules in specific subcellular locations from the corresponding caged precursors offers great potential in photopharmacology, especially when using biologically compatible visible light. By taking advantage of the intrinsic preference of COUPY coumarins for mitochondria and their long wavelength absorption in the visible region, we have synthesized and fully characterized a series of COUPY-caged model compounds to investigate how the structure of the coumarin caging group affects the rate and efficiency of the photolysis process. Uncaging studies using yellow (560 nm) and red light (620 nm) in phosphate-buffered saline medium have demonstrated that the incorporation of a methyl group in a position adjacent to the photocleavable bond is particularly important to fine-tune the photochemical properties of the caging group. Additionally, the use of a COUPY-caged version of the protonophore 2,4-dinitrophenol allowed us to confirm by confocal microscopy that photoactivation can occur within mitochondria of living HeLa cells upon irradiation with low doses of yellow light. The new photolabile protecting groups presented here complement the photochemical toolbox in therapeutic applications since they will facilitate the delivery of photocages of biologically active compounds into mitochondria.
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Affiliation(s)
- Marta López-Corrales
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Martí i Franqués 1-11, E-08028 Barcelona, Spain
| | - Anna Rovira
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Martí i Franqués 1-11, E-08028 Barcelona, Spain
| | - Albert Gandioso
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Martí i Franqués 1-11, E-08028 Barcelona, Spain
| | - Santi Nonell
- Institut Químic de Sarrià, Universitat Ramon Llull, Vía Augusta 390, E-08017 Barcelona, Spain
| | - Manel Bosch
- Unitat de Microscòpia Òptica Avançada, Centres Científics i Tecnològics (CCiTUB), Universitat de Barcelona (UB), Av. Diagonal 643, E-08028 Barcelona, Spain
| | - Vicente Marchán
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Martí i Franqués 1-11, E-08028 Barcelona, Spain
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13
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Crawford MC, Tripu DR, Barritt SA, Jing Y, Gallimore D, Kales SC, Bhanu NV, Xiong Y, Fang Y, Butler KAT, LeClair CA, Coussens NP, Simeonov A, Garcia BA, Dibble CC, Meier JL. Comparative analysis of drug-like EP300/CREBBP acetyltransferase inhibitors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.15.540887. [PMID: 37292747 PMCID: PMC10245587 DOI: 10.1101/2023.05.15.540887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The human acetyltransferase paralogs EP300 and CREBBP are master regulators of lysine acetylation whose activity has been implicated in various cancers. In the half-decade since the first drug-like inhibitors of these proteins were reported, three unique molecular scaffolds have taken precedent: an indane spiro-oxazolidinedione (A-485), a spiro-hydantoin (iP300w), and an aminopyridine (CPI-1612). Despite increasing use of these molecules to study lysine acetylation, the dearth of data regarding their relative biochemical and biological potencies makes their application as chemical probes a challenge. To address this gap, here we present a comparative study of drug-like EP300/CREBBP acetyltransferase inhibitors. First, we determine the biochemical and biological potencies of A-485, iP300w, and CPI-1612, highlighting the increased potency of the latter two compounds at physiological acetyl-CoA concentrations. Cellular evaluation shows that inhibition of histone acetylation and cell growth closely aligns with the biochemical potencies of these molecules, consistent with an on-target mechanism. Finally, we demonstrate the utility of comparative pharmacology by using it to investigate the hypothesis that increased CoA synthesis caused by knockout of PANK4 can competitively antagonize binding of EP300/CREBBP inhibitors and demonstrate proof-of-concept photorelease of a potent inhibitor molecule. Overall, our study demonstrates how knowledge of relative inhibitor potency can guide the study of EP300/CREBBP-dependent mechanisms and suggests new approaches to target delivery, thus broadening the therapeutic window of these preclinical epigenetic drug candidates.
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Affiliation(s)
- McKenna C Crawford
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Deepika R Tripu
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Samuel A Barritt
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Yihang Jing
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Diamond Gallimore
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Stephen C Kales
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, USA
| | - Natarajan V Bhanu
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO, USA
| | - Ying Xiong
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Yuhong Fang
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, USA
| | - Kamaria A T Butler
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, USA
| | - Christopher A LeClair
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, USA
| | - Nathan P Coussens
- Molecular Pharmacology Laboratories, Applied and Developmental Research Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Anton Simeonov
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, USA
| | - Benjamin A Garcia
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO, USA
| | - Christian C Dibble
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Jordan L Meier
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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14
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He G, He M, Wang R, Li X, Hu H, Wang D, Wang Z, Lu Y, Xu N, Du J, Fan J, Peng X, Sun W. A Near‐Infrared Light‐Activated Photocage Based on a Ruthenium Complex for Cancer Phototherapy. Angew Chem Int Ed Engl 2023. [DOI: 10.1002/ange.202218768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Affiliation(s)
- Guangli He
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
| | - Maomao He
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
| | - Ran Wang
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
| | - Xuezhao Li
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
| | - Hanze Hu
- Department of Biomedical Engineering Columbia University New York NY 10027 USA
| | - Dongsheng Wang
- School of Optoelectronic Science and Engineering University of Electronic Science and Technology of China Chengdu 610054 China
| | - Ziqian Wang
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
| | - Yang Lu
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
| | - Ning Xu
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
| | - Jianjun Du
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
- Ningbo Institute of Dalian University of Technology 26 Yucai Road, Jiangbei District Ningbo 315016 China
| | - Jiangli Fan
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
- Ningbo Institute of Dalian University of Technology 26 Yucai Road, Jiangbei District Ningbo 315016 China
| | - Xiaojun Peng
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
| | - Wen Sun
- State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical Engineering Dalian University of Technology Dalian 116024 China
- Ningbo Institute of Dalian University of Technology 26 Yucai Road, Jiangbei District Ningbo 315016 China
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15
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Rosenberger JE, Xie Y, Fang Y, Lyu X, Trout WS, Dmitrenko O, Fox JM. Ligand-Directed Photocatalysts and Far-Red Light Enable Catalytic Bioorthogonal Uncaging inside Live Cells. J Am Chem Soc 2023; 145:6067-6078. [PMID: 36881718 PMCID: PMC10589873 DOI: 10.1021/jacs.2c10655] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
Described are ligand-directed catalysts for live-cell, photocatalytic activation of bioorthogonal chemistry. Catalytic groups are localized via a tethered ligand either to DNA or to tubulin, and red light (660 nm) photocatalysis is used to initiate a cascade of DHTz oxidation, intramolecular Diels-Alder reaction, and elimination to release phenolic compounds. Silarhodamine (SiR) dyes, more conventionally used as biological fluorophores, serve as photocatalysts that have high cytocompatibility and produce minimal singlet oxygen. Commercially available conjugates of Hoechst dye (SiR-H) and docetaxel (SiR-T) are used to localize SiR to the nucleus and microtubules, respectively. Computation was used to assist the design of a new class of redox-activated photocage to release either phenol or n-CA4, a microtubule-destabilizing agent. In model studies, uncaging is complete within 5 min using only 2 μM SiR and 40 μM photocage. In situ spectroscopic studies support a mechanism involving rapid intramolecular Diels-Alder reaction and a rate-determining elimination step. In cellular studies, this uncaging process is successful at low concentrations of both the photocage (25 nM) and the SiR-H dye (500 nM). Uncaging n-CA4 causes microtubule depolymerization and an accompanying reduction in cell area. Control studies demonstrate that SiR-H catalyzes uncaging inside the cell, and not in the extracellular environment. With SiR-T, the same dye serves as a photocatalyst and the fluorescent reporter for microtubule depolymerization, and with confocal microscopy, it was possible to visualize microtubule depolymerization in real time as the result of photocatalytic uncaging in live cells.
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Affiliation(s)
- Julia E. Rosenberger
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Yixin Xie
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Yinzhi Fang
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Xinyi Lyu
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - William S. Trout
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Olga Dmitrenko
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Joseph M. Fox
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
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16
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Egyed A, Németh K, Molnár TÁ, Kállay M, Kele P, Bojtár M. Turning Red without Feeling Embarrassed─Xanthenium-Based Photocages for Red-Light-Activated Phototherapeutics. J Am Chem Soc 2023; 145:4026-4034. [PMID: 36752773 PMCID: PMC9951246 DOI: 10.1021/jacs.2c11499] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Indexed: 02/09/2023]
Abstract
Herein, we present high-yielding, concise access to a set of xanthenium-derived, water-soluble, low-molecular-weight photocages allowing light-controlled cargo release in the green to red region. Very importantly, these new photocages allow installation of various payloads through ester, carbamate, or carbonate linkages even at the last stage of the synthesis. Payloads were uncaged with high efficiency upon green, orange, or red light irradiation, leading to the release of carboxylic acids, phenols, and amines. The near-ideal properties of a carboxanthenium derivative were further evaluated in the context of light-controlled drug release using a camptothecin-derived chemotherapeutic drug, SN38. Notably, the caged drug showed orders of magnitude lower efficiency in cellulo, which was reinstated after red light irradiation. The presented photocages offer properties that facilitate the translation of photoactivated chemotherapy toward clinical applications.
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Affiliation(s)
- Alexandra Egyed
- Chemical
Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok krt. 2., H-1117 Budapest, Hungary
- Hevesy
György PhD School of Chemistry, Eötvös
Loránd University, Pázmány Péter sétány 1/a., H-1117 Budapest, Hungary
| | - Krisztina Németh
- Chemical
Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok krt. 2., H-1117 Budapest, Hungary
| | - Tibor Á. Molnár
- 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, Faculty of Chemical Technology
and Biotechnology, Budapest University of
Technology and Economics, Műegyetem rkp. 3., H-1111 Budapest, Hungary
- ELKH-BME
Quantum Chemistry Research Group, Műegyetem rkp. 3., H-1111 Budapest, Hungary
- MTA-BME
Lendület Quantum Chemistry Research Group, Műegyetem rkp. 3., H-1111 Budapest, Hungary
| | - Péter Kele
- Chemical
Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok krt. 2., H-1117 Budapest, Hungary
| | - Márton Bojtár
- 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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17
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Felber JG, Thorn-Seshold O. 40 Years of Duocarmycins: A Graphical Structure/Function Review of Their Chemical Evolution, from SAR to Prodrugs and ADCs. JACS AU 2022; 2:2636-2644. [PMID: 36590260 PMCID: PMC9795467 DOI: 10.1021/jacsau.2c00448] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/16/2022] [Accepted: 09/27/2022] [Indexed: 05/16/2023]
Abstract
Synthetic analogues of the DNA-alkylating cytotoxins of the duocarmycin class have been extensively investigated in the past 40 years, driven by their high potency, their unusual mechanism of bioactivity, and the beautiful modularity of their structure-activity relationship (SAR). This Perspective analyzes how the molecular designs of synthetic duocarmycins have evolved: from (1) early SAR studies, through to modern applications for directed cancer therapy as (2) prodrugs and (3) antibody-drug conjugates in late-stage clinical development. Analyzing 583 primary research articles and patents from 1978 to 2022, we distill out a searchable A0-format "Minard map" poster of ca. 200 key structure/function-tuning steps tracing chemical developments across these three key areas. This structure-based overview showcases the ingenious approaches to tune and target bioactivity, that continue to drive development of the elegant and powerful duocarmycin platform.
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18
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Chung KY, Halwachs KN, Lu P, Sun K, Silva HA, Rosales AM, Page ZA. Rapid hydrogel formation via tandem visible light photouncaging and bioorthogonal ligation. CELL REPORTS. PHYSICAL SCIENCE 2022; 3:101185. [PMID: 37496708 PMCID: PMC10370463 DOI: 10.1016/j.xcrp.2022.101185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
The formation of benign polymer scaffolds in water using green-light-reactive photocages is described. These efforts pave an avenue toward the fabrication of synthetic scaffolds that can facilitate the study of cellular events for disease diagnosis and treatment. First, a series of boron dipyrromethene (BODIPY) photocages with nitrogen-containing nucleophiles were examined to determine structure-reactivity relationships, which resulted in a >1,000× increase in uncaging yield. Subsequently, photoinduced hydrogel formation in 90 wt % water was accomplished via biorthogonal carbonyl condensation using hydrophilic polymer scaffolds separately containing BODIPY photocages and ortho-phthalaldehyde (OPA) moieties. Spatiotemporal control is demonstrated with light on/off experiments to modulate gel stiffness and masking to provide <100 μm features. Biocompatability of the method was shown through pre-/post-crosslinking cell viability studies. Short term, these studies are anticipated to guide translation to emergent additive manufacturing technology, which, longer term, will enable the development of 3D cell cultures for tissue engineering applications.
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Affiliation(s)
- Kun-You Chung
- Department of Chemistry, The University of Texas at Austin; Austin, TX 78712, USA
| | - Kathleen N. Halwachs
- McKetta Department of Chemical Engineering, The University of Texas at Austin; Austin, TX 78712, USA
| | - Pengtao Lu
- Department of Chemistry, The University of Texas at Austin; Austin, TX 78712, USA
| | - Kaihong Sun
- Department of Chemistry, The University of Texas at Austin; Austin, TX 78712, USA
| | - Hope A. Silva
- Department of Chemistry, The University of Texas at Austin; Austin, TX 78712, USA
| | - Adrianne M. Rosales
- McKetta Department of Chemical Engineering, The University of Texas at Austin; Austin, TX 78712, USA
| | - Zachariah A. Page
- Department of Chemistry, The University of Texas at Austin; Austin, TX 78712, USA
- Lead contact
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19
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Jia S, Sletten EM. Spatiotemporal Control of Biology: Synthetic Photochemistry Toolbox with Far-Red and Near-Infrared Light. ACS Chem Biol 2022; 17:3255-3269. [PMID: 34516095 PMCID: PMC8918031 DOI: 10.1021/acschembio.1c00518] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The complex network of naturally occurring biological pathways motivates the development of new synthetic molecules to perturb and/or detect these processes for fundamental research and clinical applications. In this context, photochemical tools have emerged as an approach to control the activity of drug or probe molecules at high temporal and spatial resolutions. Traditional photochemical tools, particularly photolabile protecting groups (photocages) and photoswitches, rely on high-energy UV light that is only applicable to cells or transparent model animals. More recently, such designs have evolved into the visible and near-infrared regions with deeper tissue penetration, enabling photocontrol to study biology in tissue and model animal contexts. This Review highlights recent developments in synthetic far-red and near-infrared photocages and photoswitches and their current and potential applications at the interface of chemistry and biology.
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Affiliation(s)
- Shang Jia
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Ellen M Sletten
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
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20
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Xiong H, Xu Y, Kim B, Rha H, Zhang B, Li M, Yang GF, Kim JS. Photo-controllable biochemistry: Exploiting the photocages in phototherapeutic window. Chem 2022. [DOI: 10.1016/j.chempr.2022.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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21
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Wei D, Qi J, Hamblin MR, Wen X, Jiang X, Yang H. Near-infrared photoimmunotherapy: design and potential applications for cancer treatment and beyond. Am J Cancer Res 2022; 12:7108-7131. [PMID: 36276636 PMCID: PMC9576624 DOI: 10.7150/thno.74820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 09/28/2022] [Indexed: 11/22/2022] Open
Abstract
Near-infrared photoimmunotherapy (NIR-PIT) is a newly developed cancer treatment modality based on a target-specific photosensitizer conjugate (TSPC) composed of an NIR phthalocyanine photosensitizer and an antigen-specific recognition system. NIR-PIT has predominantly been used for targeted therapy of tumors via local irradiation with NIR light, following binding of TSPC to antigen-expressing cells. Physical stress-induced membrane damage is thought to be a major mechanism underlying NIR-PIT-triggered photokilling. Notably, NIR-PIT can rapidly induce immunogenic cell death and activate the adaptive immune response, thereby enabling its combination with immune checkpoint inhibitors. Furthermore, NIR-PIT-triggered “super-enhanced permeability and retention” effects can enhance drug delivery into tumors. Supported by its potential efficacy and safety, NIR-PIT is a rapidly developing therapeutic option for various cancers. Hence, this review seeks to provide an update on the (i) broad range of target molecules suitable for NIR-PIT, (ii) various types of receptor-selective ligands for designing the TSPC “magic bullet,” (iii) NIR light parameters, and (iv) strategies for enhancing the efficacy of NIR-PIT. Moreover, we review the potential application of NIR-PIT, including the specific design and efficacy in 19 different cancer types, and its clinical studies. Finally, we summarize possible NIR-PIT applications in noncancerous conditions, including infection, pain, itching, metabolic disease, autoimmune disease, and tissue engineering.
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Affiliation(s)
- Danfeng Wei
- Department of Dermatology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.,Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network West China Hospital, Sichuan University, Chengdu 610041, China.,NHC Key Lab of Transplant Engineering and Immunology, Organ Transplant Center, West China Hospital, Sichuan University, Chengdu, Chengdu 610041, China
| | - Jinxin Qi
- Department of Dermatology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.,Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network West China Hospital, Sichuan University, Chengdu 610041, China
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
| | - Xiang Wen
- Department of Dermatology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xian Jiang
- Department of Dermatology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.,Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hao Yang
- NHC Key Lab of Transplant Engineering and Immunology, Organ Transplant Center, West China Hospital, Sichuan University, Chengdu, Chengdu 610041, China.,Sichuan Provincial Engineering Laboratory of Pathology in Clinical Application, West China Hospital, Sichuan University
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22
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Janeková H, Russo M, Ziegler U, Štacko P. Photouncaging of Carboxylic Acids from Cyanine Dyes with Near‐Infrared Light**. Angew Chem Int Ed Engl 2022; 61:e202204391. [PMID: 35578980 PMCID: PMC9542589 DOI: 10.1002/anie.202204391] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Indexed: 11/13/2022]
Abstract
Near‐infrared light (NIR; 650–900 nm) offers unparalleled advantages as a biocompatible stimulus. The development of photocages that operate in this region represents a fundamental challenge due to the low energy of the excitation light. Herein, we repurpose cyanine dyes into photocages that are available on a multigram scale in three steps and efficiently release carboxylic acids in aqueous media upon irradiation with NIR light up to 820 nm. The photouncaging process is examined using several techniques, providing evidence that it proceeds via photooxidative pathway. We demonstrate the practical utility in live HeLa cells by delivery and release of the carboxylic acid cargo, that was otherwise not uptaken by cells in its free form. In combination with modularity of the cyanine scaffold, the realization of these accessible photocages will fully unleash the potential of the emerging field of NIR‐photoactivation and facilitate its widespread adoption outside the photochemistry community.
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Affiliation(s)
- Hana Janeková
- Department of Chemistry University of Zurich Wintherthurerstrasse 190 8057 Zurich Switzerland
| | - Marina Russo
- Department of Chemistry University of Zurich Wintherthurerstrasse 190 8057 Zurich Switzerland
| | - Urs Ziegler
- Center for Microscopy and Image Analysis University of Zurich Wintherthurerstrasse 190 8057 Zurich Switzerland
| | - Peter Štacko
- Department of Chemistry University of Zurich Wintherthurerstrasse 190 8057 Zurich Switzerland
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23
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Near-Infrared Photoimmunotherapy for Thoracic Cancers: A Translational Perspective. Biomedicines 2022; 10:biomedicines10071662. [PMID: 35884975 PMCID: PMC9312913 DOI: 10.3390/biomedicines10071662] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/23/2022] [Accepted: 07/07/2022] [Indexed: 12/18/2022] Open
Abstract
The conventional treatment of thoracic tumors includes surgery, anticancer drugs, radiation, and cancer immunotherapy. Light therapy for thoracic tumors has long been used as an alternative; conventional light therapy also called photodynamic therapy (PDT) has been used mainly for early-stage lung cancer. Recently, near-infrared photoimmunotherapy (NIR-PIT), which is a completely different concept from conventional PDT, has been developed and approved in Japan for the treatment of recurrent and previously treated head and neck cancer because of its specificity and effectiveness. NIR-PIT can apply to any target by changing to different antigens. In recent years, it has become clear that various specific and promising targets are highly expressed in thoracic tumors. In combination with these various specific targets, NIR-PIT is expected to be an ideal therapeutic approach for thoracic tumors. Additionally, techniques are being developed to further develop NIR-PIT for clinical practice. In this review, NIR-PIT is introduced, and its potential therapeutic applications for thoracic cancers are described.
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24
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Fukushima H, Matikonda SS, Usama SM, Furusawa A, Kato T, Štacková L, Klán P, Kobayashi H, Schnermann MJ. Cyanine Phototruncation Enables Spatiotemporal Cell Labeling. J Am Chem Soc 2022; 144:11075-11080. [PMID: 35696546 PMCID: PMC10523398 DOI: 10.1021/jacs.2c02962] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Photoconvertible tracking strategies assess the dynamic migration of cell populations. Here we develop phototruncation-assisted cell tracking (PACT) and apply it to evaluate the migration of immune cells into tumor-draining lymphatics. This method is enabled by a recently discovered cyanine photoconversion reaction that leads to the two-carbon truncation and consequent blue-shift of these commonly used probes. By examining substituent effects on the heptamethine cyanine chromophore, we find that introduction of a single methoxy group increases the yield of the phototruncation reaction in neutral buffer by almost 8-fold. When converted to a membrane-bound cell-tracking variant, this probe can be applied in a series of in vitro and in vivo experiments. These include quantitative, time-dependent measurements of the migration of immune cells from tumors to tumor-draining lymph nodes. Unlike previously reported cellular photoconversion approaches, this method does not require genetic engineering and uses near-infrared (NIR) wavelengths. Overall, PACT provides a straightforward approach to label cell populations with spatiotemporal control.
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Affiliation(s)
- Hiroshi Fukushima
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Siddharth S Matikonda
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, United States
| | - Syed Muhammad Usama
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, United States
| | - Aki Furusawa
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Takuya Kato
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Lenka Štacková
- Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
- RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Petr Klán
- Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
- RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Hisataka Kobayashi
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, United States
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25
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Janeková H, Russo M, Ziegler U, Štacko P. Photouncaging of Carboxylic Acids from Cyanine Dyes with Near‐Infrared Light**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hana Janeková
- Department of Chemistry University of Zurich Wintherthurerstrasse 190 8057 Zurich Switzerland
| | - Marina Russo
- Department of Chemistry University of Zurich Wintherthurerstrasse 190 8057 Zurich Switzerland
| | - Urs Ziegler
- Center for Microscopy and Image Analysis University of Zurich Wintherthurerstrasse 190 8057 Zurich Switzerland
| | - Peter Štacko
- Department of Chemistry University of Zurich Wintherthurerstrasse 190 8057 Zurich Switzerland
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26
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Development of Photoremovable Linkers as a Novel Strategy to Improve the Pharmacokinetics of Drug Conjugates and Their Potential Application in Antibody–Drug Conjugates for Cancer Therapy. Pharmaceuticals (Basel) 2022; 15:ph15060655. [PMID: 35745573 PMCID: PMC9230074 DOI: 10.3390/ph15060655] [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: 04/17/2022] [Revised: 05/19/2022] [Accepted: 05/22/2022] [Indexed: 02/04/2023] Open
Abstract
Although there have been extensive research and progress on the discovery of anticancer drug over the years, the application of these drugs as stand-alone therapy has been limited by their off-target toxicities, poor pharmacokinetic properties, and low therapeutic index. Targeted drug delivery, especially drug conjugate, has been recognized as a technology that can bring forth a new generation of therapeutics with improved efficacy and reduced side effects for cancer treatment. The linker in a drug conjugate is of essential importance because it impacts the circulation time of the conjugate and the release of the drug for full activity at the target site. Recently, the light-triggered linker has attracted a lot of attention due to its spatiotemporal controllability and attractive prospects of improving the overall pharmacokinetics of the conjugate. In this paper, the latest developments of UV- and IR-triggered linkers and their application and potential in drug conjugate development are reviewed. Some of the most-well-researched photoresponsive structural moieties, such as UV-triggered coumarin, ortho-nitrobenzyl group (ONB), thioacetal ortho-nitrobenzaldehyde (TNB), photocaged C40-oxidized abasic site (PC4AP), and IR-triggered cyanine and BODIPY, are included for discussion. These photoremovable linkers show better physical and chemical stabilities and can undergo rapid cleavage upon irradiation. Very importantly, the drug conjugates containing these linkers exhibit reduced off-target toxicity and overall better pharmacokinetic properties. The progress on photoactive antibody–drug conjugates, such as antibody–drug conjugates (ADC) and antibody–photoabsorber conjugate (APC), as precision medicine in clinical cancer treatment is highlighted.
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27
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Riahin C, Meares A, Esemoto NN, Ptaszek M, LaScola M, Pandala N, Lavik E, Yang M, Stacey G, Hu D, Traeger JC, Orr G, Rosenzweig Z. Hydroporphyrin-Doped Near-Infrared-Emitting Polymer Dots for Cellular Fluorescence Imaging. ACS APPLIED MATERIALS & INTERFACES 2022; 14:20790-20801. [PMID: 35451825 PMCID: PMC9210996 DOI: 10.1021/acsami.2c02551] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Near-infrared (NIR) fluorescent semiconductor polymer dots (Pdots) have shown great potential for fluorescence imaging due to their exceptional chemical and photophysical properties. This paper describes the synthesis of NIR-emitting Pdots with great control and tunability of emission peak wavelength. The Pdots were prepared by doping poly[(9,9-dioctylfluorenyl-2,7-diyl)-alt-co-(1,4-benzo-(2,1',3)-thiadiazole)] (PFBT), a semiconducting polymer commonly used as a host polymer in luminescent Pdots, with a series of chlorins and bacteriochlorins with varying functional groups. Chlorins and bacteriochlorins are ideal dopants due to their high hydrophobicity, which precludes their use as molecular probes in aqueous biological media but on the other hand prevents their leakage when doped into Pdots. Additionally, chlorins and bacteriochlorins have narrow deep red to NIR-emission bands and the wide array of synthetic modifications available for modifying their molecular structure enables tuning their emission predictably and systematically. Transmission electron microscopy (TEM) and dynamic light scattering (DLS) measurements show the chlorin- and bacteriochlorin-doped Pdots to be nearly spherical with an average diameter of 46 ± 12 nm. Efficient energy transfer between PFBT and the doped chlorins or bacteriochlorins decreases the PFBT donor emission to near baseline level and increases the emission of the doped dyes that serve as acceptors. The chlorin- and bacteriochlorin-doped Pdots show narrow emission bands ranging from 640 to 820 nm depending on the doped dye. The paper demonstrates the utility of the systematic chlorin and bacteriochlorin synthesis approach by preparing Pdots of varying emission peak wavelength, utilizing them to visualize multiple targets using wide-field fluorescence microscopy, binding them to secondary antibodies, and determining the binding of secondary antibody-conjugated Pdots to primary antibody-labeled receptors in plant cells. Additionally, the chlorin- and bacteriochlorin-doped Pdots show a blinking behavior that could enable their use in super-resolution imaging methods like STORM.
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Affiliation(s)
- Connor Riahin
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland 21250, United States
| | - Adam Meares
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland 21250, United States
| | - Nopondo N Esemoto
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland 21250, United States
| | - Marcin Ptaszek
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland 21250, United States
| | - Michael LaScola
- Department of Chemical, Biological and Environmental Engineering, University of Maryland, Baltimore County, Baltimore, Maryland 21250, United States
| | - Narendra Pandala
- Department of Chemical, Biological and Environmental Engineering, University of Maryland, Baltimore County, Baltimore, Maryland 21250, United States
| | - Erin Lavik
- Department of Chemical, Biological and Environmental Engineering, University of Maryland, Baltimore County, Baltimore, Maryland 21250, United States
| | - Mengran Yang
- Division of Plant Sciences and Biochemistry, University of Missouri, Columbia, Missouri 65211, United States
| | - Gary Stacey
- Division of Plant Sciences and Biochemistry, University of Missouri, Columbia, Missouri 65211, United States
| | - Dehong Hu
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Jeremiah C Traeger
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Galya Orr
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Zeev Rosenzweig
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland 21250, United States
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28
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Welfare JG, Mortelliti MJ, McGlade CA, Hartman TW, Dempsey JL, Lawrence DS. Assessment of Photoreleasable Linkers and Light-Capturing Antennas on a Photoresponsive Cobalamin Scaffold. J Org Chem 2022; 87:5076-5084. [PMID: 35353509 PMCID: PMC9727707 DOI: 10.1021/acs.joc.1c02931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cobalamin has shown promise as a light-sensitive drug delivery platform owing to its ease of modification and the high quantum yields for drug photorelease. However, studies to date on the general photochemistry of alkyl cobalamins have primarily focused on methyl and adenosyl-substituted derivatives, the natural cofactors present in various enzymatic species. We describe the synthesis and photolytic behavior of cobalamin conjugates comprised of different combinations of fluorophores and β-axial ligands. In general, cobalamin conjugates containing β-axial alkyl substituents undergo efficient photolysis under aqueous conditions, with quantum yields up to >40%. However, substituents that are large and hydrophobic, or unable to readily support the presumed radical intermediate, suffer less efficient photolysis (<15%) than smaller, water-soluble, analogs. By contrast, quantum yields improve by 2-fold in DMF for cobalamins containing large hydrophobic β-axial substituents. This suggests that drug release from carriers comprised of membranous compartments, such as liposomes, may be significantly more efficient than the corresponding photorelease in an aqueous environment. Finally, we explored the impact of fluorophores on the photolysis of alkyl cobalamins under tissue-mimetic conditions. Cobalamins substituted with efficient photon-capturing fluorophores display up to 4-fold enhancements in photolysis relative to unsubstituted derivatives. In summary, we have shown that the photosensitivity of alkyl cobalamin conjugates can be tuned by altering the Co-appended alkyl moiety, modulating the polarity of the environment (solvent), and installing photon-capturing fluorophores onto the cobalamin framework.
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29
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Gupta A, Gautam A, Sasmal PK. Photoactivatable o-Hydroxycinnamic Platforms for Bioimaging and Therapeutic Release. J Med Chem 2022; 65:5274-5287. [PMID: 35344364 DOI: 10.1021/acs.jmedchem.2c00022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Photoactivatable or photoremovable protecting groups (PPGs) have become a powerful material and gained enormous interest in the field of biomedical applications. PPGs have been utilized for noninvasive, on-demand, spatio-temporal controlled release of biological effectors by irradiation with light to induce biochemical function. Over the past few years, o-hydroxycinnamate (oHC)-based PPGs have received considerable attention for the release of molecules of interest by either UV (one-photon) or near-IR (two-photon) irradiation. In this miniperspective, we have summarized the development of oHC PPGs for bioimaging and the controlled release of therapeutics, bioactive volatiles and other payloads with real-time monitoring. In addition, several future perspectives of oHC systems have been highlighted at the end of this miniperspective.
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Affiliation(s)
- Ajay Gupta
- School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Aryan Gautam
- School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Pijus K Sasmal
- School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
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30
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Xue Y, Bai H, Peng B, Tieu T, Jiang J, Hao S, Li P, Richardson M, Baell J, Thissen H, Cifuentes A, Li L, Voelcker NH. Porous Silicon Nanocarriers with Stimulus-Cleavable Linkers for Effective Cancer Therapy. Adv Healthc Mater 2022; 11:e2200076. [PMID: 35306736 DOI: 10.1002/adhm.202200076] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/19/2022] [Indexed: 12/13/2022]
Abstract
Porous silicon nanoparticles (pSiNPs) are widely utilized as drug carriers due to their excellent biocompatibility, large surface area, and versatile surface chemistry. However, the dispersion in pore size and biodegradability of pSiNPs arguably have hindered the application of pSiNPs for controlled drug release. Here, a step-changing solution to this problem is described involving the design, synthesis, and application of three different linker-drug conjugates comprising anticancer drug doxorubicin (DOX) and different stimulus-cleavable linkers (SCLs) including the photocleavable linker (ortho-nitrobenzyl), pH-cleavable linker (hydrazone), and enzyme-cleavable linker (β-glucuronide). These SCL-DOX conjugates are covalently attached to the surface of pSiNP via copper (I)-catalyzed alkyne-azide cycloaddition (CuAAC, i.e., click reaction) to afford pSiNP-SCL-DOXs. The mass loading of the covalent conjugation approach for pSiNP-SCL-DOX reaches over 250 µg of DOX per mg of pSiNPs, which is notably twice the mass loading achieved by noncovalent loading. Moreover, the covalent conjugation between SCL-DOX and pSiNPs endows the pSiNPs with excellent stability and highly controlled release behavior. When tested in both in vitro and in vivo tumor models, the pSiNP-SCL-DOXs induces excellent tumor growth inhibition.
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Affiliation(s)
- Yufei Xue
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Hua Bai
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Bo Peng
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Terence Tieu
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Jiamin Jiang
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Shiping Hao
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Panpan Li
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Mark Richardson
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Clayton Victoria 3168 Australia
| | - Jonathan Baell
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Helmut Thissen
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Clayton Victoria 3168 Australia
| | - Anna Cifuentes
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Lin Li
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Nicolas H. Voelcker
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Clayton Victoria 3168 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility Clayton Victoria 3168 Australia
- Department of Materials Science and Engineering Monash University Clayton Victoria 3168 Australia
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31
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Long K, Wang Y, Lv W, Yang Y, Xu S, Zhan C, Wang W. Photoresponsive prodrug‐dye nanoassembly for in‐situ monitorable cancer therapy. BIOENGINEERING & TRANSLATIONAL MEDICINE 2022; 7:e10311. [PMID: 36176605 PMCID: PMC9472000 DOI: 10.1002/btm2.10311] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 12/11/2022]
Abstract
Photocleavable prodrugs enable controllable drug delivery to target sites modulated by light irradiation. However, the in vivo utility is usually hindered by their insolubility and inefficient delivery. In this study, we report a simple strategy of co‐assembling boron‐dipyrromethene‐chlorambucil prodrug and near‐infrared dye IR783 to fabricate photoresponsive nanoassemblies, which achieved both high prodrug loading capacity (~99%) and efficient light‐triggered prodrug activation. The incorporated IR783 dye not only stabilized the nanoparticles and contributed tumor targeting as usual, but also exhibited degradation after light irradiation and in‐situ monitoring of nanoparticle dissociation by fluorescent imaging. Systemic administration of the nanoparticles and localized light irradiation at tumor sites enabled monitorable and efficient drug release in vivo. Our results demonstrate that such prodrug‐dye co‐assembled nanomedicine is a promising formulation for photoresponsive drug delivery, which would advance the translation of photoresponsive nanomedicines.
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Affiliation(s)
- Kaiqi Long
- State Key Laboratory of Pharmaceutical Biotechnology The University of Hong Kong Hong Kong China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine The University of Hong Kong Hong Kong China
- Laboratory of Molecular Engineering and Nanomedicine, Dr. Li Dak‐Sum Research Centre The University of Hong Kong Hong Kong China
| | - Yifan Wang
- State Key Laboratory of Pharmaceutical Biotechnology The University of Hong Kong Hong Kong China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine The University of Hong Kong Hong Kong China
- Laboratory of Molecular Engineering and Nanomedicine, Dr. Li Dak‐Sum Research Centre The University of Hong Kong Hong Kong China
| | - Wen Lv
- State Key Laboratory of Pharmaceutical Biotechnology The University of Hong Kong Hong Kong China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine The University of Hong Kong Hong Kong China
- Laboratory of Molecular Engineering and Nanomedicine, Dr. Li Dak‐Sum Research Centre The University of Hong Kong Hong Kong China
| | - Yang Yang
- Department of Pharmacology, School of Basic Medical Sciences & State Key Laboratory of Molecular Engineering of Polymers Fudan University Shanghai China
- School of Pharmacy, Fudan University & Key Laboratory of Smart Drug Delivery, Ministry of Education Fudan University Shanghai China
| | - Shuting Xu
- State Key Laboratory of Pharmaceutical Biotechnology The University of Hong Kong Hong Kong China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine The University of Hong Kong Hong Kong China
- Laboratory of Molecular Engineering and Nanomedicine, Dr. Li Dak‐Sum Research Centre The University of Hong Kong Hong Kong China
| | - Changyou Zhan
- Department of Pharmacology, School of Basic Medical Sciences & State Key Laboratory of Molecular Engineering of Polymers Fudan University Shanghai China
- School of Pharmacy, Fudan University & Key Laboratory of Smart Drug Delivery, Ministry of Education Fudan University Shanghai China
| | - Weiping Wang
- State Key Laboratory of Pharmaceutical Biotechnology The University of Hong Kong Hong Kong China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine The University of Hong Kong Hong Kong China
- Laboratory of Molecular Engineering and Nanomedicine, Dr. Li Dak‐Sum Research Centre The University of Hong Kong Hong Kong China
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32
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Targeted multicolor in vivo imaging over 1,000 nm enabled by nonamethine cyanines. Nat Methods 2022; 19:353-358. [PMID: 35228725 DOI: 10.1038/s41592-022-01394-6] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/05/2022] [Indexed: 02/07/2023]
Abstract
Recent progress has shown that using wavelengths between 1,000 and 2,000 nm, referred to as the shortwave-infrared or near-infrared (NIR)-II range, can enable high-resolution in vivo imaging at depths not possible with conventional optical wavelengths. However, few bioconjugatable probes of the type that have proven invaluable for multiplexed imaging in the visible and NIR range are available for imaging these wavelengths. Using rational design, we have generated persulfonated indocyanine dyes with absorbance maxima at 872 and 1,072 nm through catechol-ring and aryl-ring fusion, respectively, onto the nonamethine scaffold. Multiplexed two-color and three-color in vivo imaging using monoclonal antibody and dextran conjugates in several tumor models illustrate the benefits of concurrent labeling of the tumor and healthy surrounding tissue and lymphatics. These efforts are enabled by complementary advances in a custom-built NIR/shortwave-infrared imaging setup and software package for multicolor real-time imaging.
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33
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Lahiri J, Sandhu S, Levine BG, Dantus M. Human Serum Albumin Dimerization Enhances the S 2 Emission of Bound Cyanine IR806. J Phys Chem Lett 2022; 13:1825-1832. [PMID: 35171617 DOI: 10.1021/acs.jpclett.1c03735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Cyanine molecules are important phototheranostic compounds given their high fluorescence yield in the near-infrared region of the spectrum. We report on the frequency and time-resolved spectroscopy of the S2 state of IR806, which demonstrates enhanced emission upon binding to the hydrophobic pocket of human serum albumin (HSA). From excitation-emission matrix spectra and electronic structure calculations, we identify the emission as one associated with a state having the polymethine chain twisted out of plane by 103°. In addition, we find that this configuration is significantly stabilized as the concentration of HSA increases. Spectroscopic changes associated with the S1 and S2 states of IR806 as a function of HSA concentration, as well as anisotropy measurements, confirm the formation of HSA dimers at concentrations greater than 10 μM. These findings imply that the longer-lived S2 state configuration can lead to more efficient phototherapy agents, and cyanine S2 spectroscopy may be a useful tool to determine the oligomerization state of HSA.
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Affiliation(s)
- Jurick Lahiri
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Shawn Sandhu
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Benjamin G Levine
- Institute for Advanced Computational Science and Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Marcos Dantus
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, United States
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34
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Gavriel A, Sambrook M, Russell AT, Hayes W. Recent advances in self-immolative linkers and their applications in polymeric reporting systems. Polym Chem 2022. [DOI: 10.1039/d2py00414c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Interest in self-immolative chemistry has grown over the past decade with more research groups harnessing the versatility to control the release of a compound from a larger chemical entity, given...
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35
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Hashimoto R, Minoshima M, Sakata S, Ono F, Ishii H, Watakabe Y, Nemoto T, Yanaka S, Kato K, Kikuchi K. Efficient Visible/NIR Light-driven Uncaging of Hydroxylated Thiazole Orange-based Caged Compounds in Aqueous Media. Chem Sci 2022; 13:7462-7467. [PMID: 35872806 PMCID: PMC9241960 DOI: 10.1039/d2sc02364d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/02/2022] [Indexed: 11/21/2022] Open
Abstract
In photoactivation strategies with bioactive molecules, one-photon visible or two-photon near-infrared light-sensitive caged compounds are desirable tools for biological applications because they offer reduced phototoxicity and deep tissue penetration. However, visible-light-sensitive photoremovable protecting groups (PPGs) reported so far have displayed high hydrophobicity and low uncaging cross sections (εΦ < 50) in aqueous media, which can obstruct the control of bioactivity with high spatial and temporal precision. In this study, we developed hydroxylated thiazole orange (HTO) derivatives as visible-light-sensitive PPGs with high uncaging cross sections (εΦ ≈ 370) in aqueous solution. In addition, 2PE photolysis reactions of HTO-caged glutamate were achieved using a NIR laser (940 nm). Moreover, HTO-caged glutamate can activate N-methyl-d-aspartic acid receptors in Xenopus oocytes and mammalian cells with green-light illumination, thus allowing optical control of biological functions. A hydroxylated thiazole orange (HTO)-caged glutamate efficiently releases a glutamate for temporal activation of ion channels under visible-to-NIR light in aqueous media.![]()
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Affiliation(s)
- Ryu Hashimoto
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University 2-1 Yamadaoka Suita Osaka 565-0871 Japan
| | - Masafumi Minoshima
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University 2-1 Yamadaoka Suita Osaka 565-0871 Japan
| | - Souhei Sakata
- Department of Physiology, Faculty of Medicine, Osaka Medical and Pharmaceutical University 2-7, Daigakucho Takatsuki Osaka 569-8686 Japan
| | - Fumihito Ono
- Department of Physiology, Faculty of Medicine, Osaka Medical and Pharmaceutical University 2-7, Daigakucho Takatsuki Osaka 569-8686 Japan
| | - Hirokazu Ishii
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences 5-1 Higashiyama, Myodaiji Okazaki 444-8787 Japan
| | - Yuki Watakabe
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences 5-1 Higashiyama, Myodaiji Okazaki 444-8787 Japan
| | - Tomomi Nemoto
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences 5-1 Higashiyama, Myodaiji Okazaki 444-8787 Japan
| | - Saeko Yanaka
- Exploratory Research Center on Life and Living Systems (ExCELLS), Institute for Molecular Science (IMS), National Institutes of Natural Sciences 5-1 Higashiyama, Myodaiji Okazaki 444-8787 Japan
| | - Koichi Kato
- Exploratory Research Center on Life and Living Systems (ExCELLS), Institute for Molecular Science (IMS), National Institutes of Natural Sciences 5-1 Higashiyama, Myodaiji Okazaki 444-8787 Japan
| | - Kazuya Kikuchi
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University 2-1 Yamadaoka Suita Osaka 565-0871 Japan
- Immunology Frontier Research Center, Osaka University 2-1 Yamadaoka Suita Osaka 565-0871 Japan
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36
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Zhu C, Kou T, Kadi AA, Li J, Zhang Y. Molecular platforms based on biocompatible photoreactions for photomodulation of biological targets. Org Biomol Chem 2021; 19:9358-9368. [PMID: 34632469 DOI: 10.1039/d1ob01613j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoirradiation provides a convenient and biocompatible approach for spatiotemporal modulation of biological systems with photoresponsive components. The construction of molecular platforms with a photoresponse to be integrated into biomolecules for photomodulation has been of great research interest in optochemical biology. In this review, we summarize typical molecular platforms that are integratable with biomolecules for photomodulation purposes. We categorize these molecular platforms according to their excitation light source, namely ultraviolet (UV), visible (Vis) or near-infrared (NIR) light. The protype chemistry of these molecular platforms is introduced along with an overview of their most recent applications for spatiotemporal regulation of biomolecular function in living cells or mice models. Challenges and the outlook are also presented. We hope this review paper will contribute to further progress in the development of molecular platforms and their biomedical use.
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Affiliation(s)
- Chenghong Zhu
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China.
| | - Tianzhang Kou
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China.
| | - Adnan A Kadi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Kingdom of Saudi Arabia.
| | - Jinbo Li
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China.
| | - Yan Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China.
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37
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Long K, Han H, Kang W, Lv W, Wang L, Wang Y, Ge L, Wang W. One-photon red light-triggered disassembly of small-molecule nanoparticles for drug delivery. J Nanobiotechnology 2021; 19:357. [PMID: 34736466 PMCID: PMC8567723 DOI: 10.1186/s12951-021-01103-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 10/22/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Photoresponsive drug delivery can achieve spatiotemporal control of drug accumulation at desired sites. Long-wavelength light is preferable owing to its deep tissue penetration and low toxicity. One-photon upconversion-like photolysis via triplet-triplet energy transfer (TTET) between photosensitizer and photoresponsive group enables the use of long-wavelength light to activate short-wavelength light-responsive groups. However, such process requires oxygen-free environment to achieve efficient photolysis due to the oxygen quenching of triplet excited states. RESULTS Herein, we report a strategy that uses red light to trigger disassembly of small-molecule nanoparticles by one-photon upconversion-like photolysis for cancer therapy. A photocleavable trigonal molecule, BTAEA, self-assembled into nanoparticles and enclosed photosensitizer, PtTPBP. Such nanoparticles protected TTET-based photolysis from oxygen quenching in normoxia aqueous solutions, resulting in efficient red light-triggered BTAEA cleavage, dissociation of nanoparticles and subsequent cargo release. With paclitaxel as the model drug, the red light-triggered drug release system demonstrated promising anti-tumor efficacy both in vitro and in vivo. CONCLUSIONS This study provides a practical reference for constructing photoresponsive nanocarriers based on the one-photon upconversion-like photolysis.
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Affiliation(s)
- Kaiqi Long
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Pokfulam, Hong Kong, China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China
- Dr Li Dak-Sum Research Centre, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Han Han
- Dr Li Dak-Sum Research Centre, The University of Hong Kong, Pokfulam, Hong Kong, China
- State Key Laboratory of Natural Medicines and Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Weirong Kang
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Pokfulam, Hong Kong, China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China
- Dr Li Dak-Sum Research Centre, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Wen Lv
- Dr Li Dak-Sum Research Centre, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Lang Wang
- Department of Chemistry, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Yufeng Wang
- Department of Chemistry, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Liang Ge
- State Key Laboratory of Natural Medicines and Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu, China.
| | - Weiping Wang
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Pokfulam, Hong Kong, China.
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China.
- Dr Li Dak-Sum Research Centre, The University of Hong Kong, Pokfulam, Hong Kong, China.
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38
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Müller P, Sahlbach M, Gasper S, Mayer G, Müller J, Pötzsch B, Heckel A. Controlling Coagulation in Blood with Red Light. Angew Chem Int Ed Engl 2021; 60:22441-22446. [PMID: 34293228 PMCID: PMC8518524 DOI: 10.1002/anie.202108468] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Indexed: 12/15/2022]
Abstract
Precise control of blood clotting and rapid reversal of anticoagulation are essential in many clinical situations. We were successful in modifying a thrombin-binding aptamer with a red-light photocleavable linker derived from Cy7 by Cu-catalyzed Click chemistry. We were able to show that we can successfully deactivate the modified aptamer with red light (660 nm) even in human blood-restoring the blood's natural coagulation capability.
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Affiliation(s)
- Patricia Müller
- Goethe University FrankfurtInstitute for Organic Chemistry and Chemical BiologyMax-von-Laue Str. 960438Frankfurt am MainGermany
| | - Marlen Sahlbach
- Goethe University FrankfurtInstitute for Organic Chemistry and Chemical BiologyMax-von-Laue Str. 960438Frankfurt am MainGermany
| | - Simone Gasper
- University Hospital BonnInstitute of Experimental Hematology and Transfusion MedicineVenusberg-Campus 153105BonnGermany
| | - Günter Mayer
- University of BonnLife and Medical Sciences InstituteCenter of Aptamer Research & DevelopmentGerhard-Domagk-Str. 153121BonnGermany
| | - Jens Müller
- University Hospital BonnInstitute of Experimental Hematology and Transfusion MedicineVenusberg-Campus 153105BonnGermany
| | - Bernd Pötzsch
- University Hospital BonnInstitute of Experimental Hematology and Transfusion MedicineVenusberg-Campus 153105BonnGermany
| | - Alexander Heckel
- Goethe University FrankfurtInstitute for Organic Chemistry and Chemical BiologyMax-von-Laue Str. 960438Frankfurt am MainGermany
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39
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Li X, Xi D, Zhang Z, Long S, Chen P, Du J, Sun W, Fan J, Peng X. Light‐triggered dePEGylation with decreasing the diameter of hydroxyapatite nanocarriers for enhanced cellular uptake and tumor penetration. NANO SELECT 2021. [DOI: 10.1002/nano.202100072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Xiaojing Li
- State Key Laboratory of Fine Chemicals Dalian University of Technology No. 2 linggong Road Dalian 116024 China
| | - Dongmei Xi
- State Key Laboratory of Fine Chemicals Dalian University of Technology No. 2 linggong Road Dalian 116024 China
| | - Zhen Zhang
- State Key Laboratory of Fine Chemicals Dalian University of Technology No. 2 linggong Road Dalian 116024 China
| | - Saran Long
- State Key Laboratory of Fine Chemicals Dalian University of Technology No. 2 linggong Road Dalian 116024 China
- Ningbo Institute of Dalian University of Technology Jiangbei District Ningbo 315016 China
| | - Pengzhong Chen
- State Key Laboratory of Fine Chemicals Dalian University of Technology No. 2 linggong Road Dalian 116024 China
- Ningbo Institute of Dalian University of Technology Jiangbei District Ningbo 315016 China
| | - Jianjun Du
- State Key Laboratory of Fine Chemicals Dalian University of Technology No. 2 linggong Road Dalian 116024 China
- Ningbo Institute of Dalian University of Technology Jiangbei District Ningbo 315016 China
| | - Wen Sun
- State Key Laboratory of Fine Chemicals Dalian University of Technology No. 2 linggong Road Dalian 116024 China
- Ningbo Institute of Dalian University of Technology Jiangbei District Ningbo 315016 China
| | - Jiangli Fan
- State Key Laboratory of Fine Chemicals Dalian University of Technology No. 2 linggong Road Dalian 116024 China
- Ningbo Institute of Dalian University of Technology Jiangbei District Ningbo 315016 China
| | - Xiaojun Peng
- State Key Laboratory of Fine Chemicals Dalian University of Technology No. 2 linggong Road Dalian 116024 China
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40
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Cannon J, Tang S, Choi SK. Caged Oxime Reactivators Designed for the Light Control of Acetylcholinesterase Reactivation †. Photochem Photobiol 2021; 98:334-346. [PMID: 34558680 DOI: 10.1111/php.13530] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/17/2021] [Accepted: 09/22/2021] [Indexed: 01/13/2023]
Abstract
Despite its promising role in the active control of biological functions by light, photocaging remains untested in acetylcholinesterase (AChE), a key enzyme in the cholinergic family. Here, we describe synthesis, photochemical properties and biochemical activities of two caged oxime compounds applied in the photocontrolled reactivation of the AChE inactivated by reactive organophosphate. Each of these consists of a photocleavable coumarin cage tethered to a known oxime reactivator for AChE that belongs in an either 2-(hydroxyimino)acetamide or pyridiniumaldoxime class. Of these, the first caged compound was able to successfully go through oxime uncaging upon irradiation at long-wavelength ultraviolet light (365 nm) or visible light (420 nm). It was further evaluated in AChE assays in vitro under variable light conditions to define its activity in the photocontrolled reactivation of paraoxon-inactivated AChE. This assay result showed its lack of activity in the dark but its induction of activity under light conditions only. In summary, this article reports a first class of light-activatable modulators for AChE and it offers assay methods and novel insights that help to achieve an effective design of caged compounds in the enzyme control.
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Affiliation(s)
- Jayme Cannon
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan Medical School, Ann Arbor, Michigan, USA.,Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Shengzhuang Tang
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan Medical School, Ann Arbor, Michigan, USA.,Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Seok Ki Choi
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan Medical School, Ann Arbor, Michigan, USA.,Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA
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41
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Lechner VM, Nappi M, Deneny PJ, Folliet S, Chu JCK, Gaunt MJ. Visible-Light-Mediated Modification and Manipulation of Biomacromolecules. Chem Rev 2021; 122:1752-1829. [PMID: 34546740 DOI: 10.1021/acs.chemrev.1c00357] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Chemically modified biomacromolecules-i.e., proteins, nucleic acids, glycans, and lipids-have become crucial tools in chemical biology. They are extensively used not only to elucidate cellular processes but also in industrial applications, particularly in the context of biopharmaceuticals. In order to enable maximum scope for optimization, it is pivotal to have a diverse array of biomacromolecule modification methods at one's disposal. Chemistry has driven many significant advances in this area, and especially recently, numerous novel visible-light-induced photochemical approaches have emerged. In these reactions, light serves as an external source of energy, enabling access to highly reactive intermediates under exceedingly mild conditions and with exquisite spatiotemporal control. While UV-induced transformations on biomacromolecules date back decades, visible light has the unmistakable advantage of being considerably more biocompatible, and a spectrum of visible-light-driven methods is now available, chiefly for proteins and nucleic acids. This review will discuss modifications of native functional groups (FGs), including functionalization, labeling, and cross-linking techniques as well as the utility of oxidative degradation mediated by photochemically generated reactive oxygen species. Furthermore, transformations at non-native, bioorthogonal FGs on biomacromolecules will be addressed, including photoclick chemistry and DNA-encoded library synthesis as well as methods that allow manipulation of the activity of a biomacromolecule.
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Affiliation(s)
- Vivian M Lechner
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Manuel Nappi
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Patrick J Deneny
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Sarah Folliet
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - John C K Chu
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Matthew J Gaunt
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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42
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Cho Y, An HJ, Kim T, Lee C, Lee NK. Mechanism of Cyanine5 to Cyanine3 Photoconversion and Its Application for High-Density Single-Particle Tracking in a Living Cell. J Am Chem Soc 2021; 143:14125-14135. [PMID: 34432445 DOI: 10.1021/jacs.1c04178] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cyanine (Cy) dyes are among the most useful organic fluorophores that have found a wide range of applications in single-molecule and super-resolution imaging as well as in other biophysical studies. However, recent observations that blueshifted derivatives of Cy dyes are formed via photoconversion have raised concerns as to the potential artifacts in multicolor imaging. Here, we report the mechanism for the photoconversion of Cy5 to Cy3 that occurs upon photoexcitation during fluorescent imaging. Our studies show that the formal C2H2 excision from Cy5 occurs mainly through an intermolecular pathway involving a combination of bond cleavage and reconstitution while unambiguously confirming the identity of the fluorescent photoproduct of Cy5 to be Cy3 using various spectroscopic tools. The carbonyl products generated from singlet oxygen-mediated photooxidation of Cy5 undergo a sequence of carbon-carbon bond-breaking and -forming events to bring about the novel dye-to-dye transformation. We also show that the deletion of a two-methine unit from the polymethine chain, which results in the formation of blueshifted products, commonly occurs in other cyanine dyes, such as Alexa Fluor 647 (AF647) and Cyanine5.5. The formation of a blueshifted congener dye can obscure the multicolor fluorescence imaging, leading to misinterpretation of the data. We demonstrate that the potentially deleterious photoconversion, however, can be exploited to develop a new photoactivation method for high-density single-particle tracking in a living cell without using UV illumination and cell-toxic additives.
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Affiliation(s)
- Yoonjung Cho
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyeong Jeon An
- Department of Physics, Pohang University of Science and Technology, Pohang 37673, Republic of Korea
| | - Taehoon Kim
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Chulbom Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Nam Ki Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
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43
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Müller P, Sahlbach M, Gasper S, Mayer G, Müller J, Pötzsch B, Heckel A. Controlling Coagulation in Blood with Red Light. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Patricia Müller
- Goethe University Frankfurt Institute for Organic Chemistry and Chemical Biology Max-von-Laue Str. 9 60438 Frankfurt am Main Germany
| | - Marlen Sahlbach
- Goethe University Frankfurt Institute for Organic Chemistry and Chemical Biology Max-von-Laue Str. 9 60438 Frankfurt am Main Germany
| | - Simone Gasper
- University Hospital Bonn Institute of Experimental Hematology and Transfusion Medicine Venusberg-Campus 1 53105 Bonn Germany
| | - Günter Mayer
- University of Bonn Life and Medical Sciences Institute Center of Aptamer Research & Development Gerhard-Domagk-Str. 1 53121 Bonn Germany
| | - Jens Müller
- University Hospital Bonn Institute of Experimental Hematology and Transfusion Medicine Venusberg-Campus 1 53105 Bonn Germany
| | - Bernd Pötzsch
- University Hospital Bonn Institute of Experimental Hematology and Transfusion Medicine Venusberg-Campus 1 53105 Bonn Germany
| | - Alexander Heckel
- Goethe University Frankfurt Institute for Organic Chemistry and Chemical Biology Max-von-Laue Str. 9 60438 Frankfurt am Main Germany
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44
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Matikonda S, Helmerich DA, Meub M, Beliu G, Kollmannsberger P, Greer A, Sauer M, Schnermann MJ. Defining the Basis of Cyanine Phototruncation Enables a New Approach to Single-Molecule Localization Microscopy. ACS CENTRAL SCIENCE 2021; 7:1144-1155. [PMID: 34345667 PMCID: PMC8323251 DOI: 10.1021/acscentsci.1c00483] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Indexed: 05/13/2023]
Abstract
The light-promoted conversion of extensively used cyanine dyes to blue-shifted emissive products has been observed in various contexts. However, both the underlying mechanism and the species involved in this photoconversion reaction have remained elusive. Here we report that irradiation of heptamethine cyanines provides pentamethine cyanines, which, in turn, are photoconverted to trimethine cyanines. We detail an examination of the mechanism and substrate scope of this remarkable two-carbon phototruncation reaction. Supported by computational analysis, we propose that this reaction involves a singlet oxygen-initiated multistep sequence involving a key hydroperoxycyclobutanol intermediate. Building on this mechanistic framework, we identify conditions to improve the yield of photoconversion by over an order of magnitude. We then demonstrate that cyanine phototruncation can be applied to super-resolution single-molecule localization microscopy, leading to improved spatial resolution with shorter imaging times. We anticipate these insights will help transform a common, but previously mechanistically ill-defined, chemical transformation into a valuable optical tool.
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Affiliation(s)
- Siddharth
S. Matikonda
- Chemical
Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Dominic A. Helmerich
- Department
of Biotechnology and Biophysics, Biocenter, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Mara Meub
- Department
of Biotechnology and Biophysics, Biocenter, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Gerti Beliu
- Department
of Biotechnology and Biophysics, Biocenter, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Philip Kollmannsberger
- Center
for Computational and Theoretical Biology, University of Würzburg, Campus Hubland Nord 32, 97074, Würzburg, Germany
| | - Alexander Greer
- Department
of Chemistry, Brooklyn College, City University
of New York, Brooklyn, New York, United States
- Ph.D.
Program in Chemistry, The Graduate Center
of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United
States
- E-mail:
| | - Markus Sauer
- Department
of Biotechnology and Biophysics, Biocenter, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- E-mail:
| | - Martin J. Schnermann
- Chemical
Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
- E-mail:
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45
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Wang C, Zhang H, Zhang T, Zou X, Wang H, Rosenberger J, Vannam R, Trout WS, Grimm JB, Lavis LD, Thorpe C, Jia X, Li Z, Fox JM. Enabling In Vivo Photocatalytic Activation of Rapid Bioorthogonal Chemistry by Repurposing Silicon-Rhodamine Fluorophores as Cytocompatible Far-Red Photocatalysts. J Am Chem Soc 2021; 143:10793-10803. [PMID: 34250803 PMCID: PMC8765119 DOI: 10.1021/jacs.1c05547] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Chromophores that absorb in the tissue-penetrant far-red/near-infrared window have long served as photocatalysts to generate singlet oxygen for photodynamic therapy. However, the cytotoxicity and side reactions associated with singlet oxygen sensitization have posed a problem for using long-wavelength photocatalysis to initiate other types of chemical reactions in biological environments. Herein, silicon-Rhodamine compounds (SiRs) are described as photocatalysts for inducing rapid bioorthogonal chemistry using 660 nm light through the oxidation of a dihydrotetrazine to a tetrazine in the presence of trans-cyclooctene dienophiles. SiRs have been commonly used as fluorophores for bioimaging but have not been applied to catalyze chemical reactions. A series of SiR derivatives were evaluated, and the Janelia Fluor-SiR dyes were found to be especially effective in catalyzing photooxidation (typically 3%). A dihydrotetrazine/tetrazine pair is described that displays high stability in both oxidation states. A protein that was site-selectively modified by trans-cyclooctene was quantitatively conjugated upon exposure to 660 nm light and a dihydrotetrazine. By contrast, a previously described methylene blue catalyst was found to rapidly degrade the protein. SiR-red light photocatalysis was used to cross-link hyaluronic acid derivatives functionalized by dihydrotetrazine and trans-cyclooctenes, enabling 3D culture of human prostate cancer cells. Photoinducible hydrogel formation could also be carried out in live mice through subcutaneous injection of a Cy7-labeled hydrogel precursor solution, followed by brief irradiation to produce a stable hydrogel. This cytocompatible method for using red light photocatalysis to activate bioorthogonal chemistry is anticipated to find broad applications where spatiotemporal control is needed in biological environments.
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Affiliation(s)
- Chuanqi Wang
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - He Zhang
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, USA
| | - Tao Zhang
- Department of Radiology and Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - Xiaoyu Zou
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, USA
| | - Hui Wang
- Department of Radiology and Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - Julia Rosenberger
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Raghu Vannam
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - William S. Trout
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Jonathan B. Grimm
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn Virginia, 20147, USA
| | - Luke D. Lavis
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn Virginia, 20147, USA
| | - Colin Thorpe
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Xinqiao Jia
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, USA
- Delaware Biotechnology Institute, Newark, Delaware 19711, USA
| | - Zibo Li
- Department of Radiology and Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - Joseph M. Fox
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, USA
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46
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Xu Y, Lin S, He R, Zhang Y, Gao Q, Ng DKP, Geng J. C=C Bond Oxidative Cleavage of BODIPY Photocages by Visible Light. Chemistry 2021; 27:11268-11272. [PMID: 34114272 DOI: 10.1002/chem.202101833] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Indexed: 12/11/2022]
Abstract
Photocages for protection and the controlled release of bioactive compounds have been widely investigated. However, the vast majority of these photocages employ the cleavage of single bonds and high-energy ultraviolet light. The construction of a photoactivation system that uses visible light to cleave unsaturated bonds still remains a challenge. Herein, we report a regioselective oxidative cleavage of C=C bonds from a boron-dipyrrolemethene (BODIPY)-based photocage by illumination at 630 nm, resulting in a free aldehyde and a thiol fluorescent probe. This strategy was demonstrated in live HeLa cells, and the generated α-formyl-BODIPY allowed real-time monitoring of aldehyde release in the cells. In particular, it is shown that a mannose-functionalized photocage can target HepG2 cells.
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Affiliation(s)
- Youwei Xu
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Shanmeng Lin
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Rongkun He
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Yichuan Zhang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Quan Gao
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Dennis K P Ng
- Department of Chemistry, The Chinese University of Hong Kong-Shatin, N.T., Hong Kong, China
| | - Jin Geng
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
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47
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Yao HP, Zhao H, Hudson R, Tong XM, Wang MH. Duocarmycin-based antibody-drug conjugates as an emerging biotherapeutic entity for targeted cancer therapy: Pharmaceutical strategy and clinical progress. Drug Discov Today 2021; 26:1857-1874. [PMID: 34224904 DOI: 10.1016/j.drudis.2021.06.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/15/2021] [Accepted: 06/25/2021] [Indexed: 02/06/2023]
Abstract
Duocarmycins are a class of DNA minor-groove-binding alkylating molecules. For the past decade, various duocarmycin analogues have been used as payloads in the development of antibody-drug conjugates (ADCs). Currently, more than 15 duocarmycin-based ADCs have been studied preclinically, and some of them such as SYD985 have been granted Fast-Track Designation status. Nevertheless, progress in duocarmycin-based ADCs also faces challenges, with setbacks including the termination of BMS-936561/MDX-1203. In this review, we discuss issues associated with the efficacy, pharmacokinetic profile, and toxicological activity of these biotherapeutics. Furthermore, we summarize the latest advances in duocarmycin-based ADCs that have different target specificities and linker chemistries. Evidence from preclinical and clinical studies has indicated that duocarmycin-based ADCs are promising biotherapeutics for oncological application in the future.
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Affiliation(s)
- Hang-Ping Yao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; National Clinical Research Center for Infectious Diseases, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Hui Zhao
- Office of Scientific Research, Zhongnan Hospital of Wuhan University, Wuhan, China.
| | - Rachel Hudson
- Cancer Biology Research Center, Texas Tech University Health Sciences Center, Amarillo, TX, USA; Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX, USA
| | - Xiang-Min Tong
- Department of Hematology, Zhejiang Provincial People's Hospital and People's Hospital of Hangzhou Medical College, Hangzhou, China.
| | - Ming-Hai Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; National Clinical Research Center for Infectious Diseases, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Cancer Biology Research Center, Texas Tech University Health Sciences Center, Amarillo, TX, USA; Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX, USA.
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48
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Targeted Cancer Therapy Using Compounds Activated by Light. Cancers (Basel) 2021; 13:cancers13133237. [PMID: 34209493 PMCID: PMC8269035 DOI: 10.3390/cancers13133237] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/18/2021] [Accepted: 06/24/2021] [Indexed: 12/21/2022] Open
Abstract
Cancer chemotherapy is affected by a modest selectivity and toxic side effects of pharmacological interventions. Among novel approaches to overcome this limitation and to bring to therapy more potent and selective agents is the use of light for selective activation of anticancer compounds. In this review, we focus on the anticancer applications of two light-activated approaches still in the experimental phase: photoremovable protecting groups ("photocages") and photoswitches. We describe the structural considerations behind the development of novel compounds and the plethora of assays used to confirm whether the photochemical and pharmacological properties are meeting the stringent criteria for an efficient in vivo light-dependent activation. Despite its immense potential, light activation brings many challenges, and the complexity of the task is very demanding. Currently, we are still deeply in the phase of pharmacological tools, but the vivid research and rapid development bring the light of hope for potential clinical use.
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49
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Shieh P, Hill MR, Zhang W, Kristufek SL, Johnson JA. Clip Chemistry: Diverse (Bio)(macro)molecular and Material Function through Breaking Covalent Bonds. Chem Rev 2021; 121:7059-7121. [PMID: 33823111 DOI: 10.1021/acs.chemrev.0c01282] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In the two decades since the introduction of the "click chemistry" concept, the toolbox of "click reactions" has continually expanded, enabling chemists, materials scientists, and biologists to rapidly and selectively build complexity for their applications of interest. Similarly, selective and efficient covalent bond breaking reactions have provided and will continue to provide transformative advances. Here, we review key examples and applications of efficient, selective covalent bond cleavage reactions, which we refer to herein as "clip reactions." The strategic application of clip reactions offers opportunities to tailor the compositions and structures of complex (bio)(macro)molecular systems with exquisite control. Working in concert, click chemistry and clip chemistry offer scientists and engineers powerful methods to address next-generation challenges across the chemical sciences.
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Affiliation(s)
- Peyton Shieh
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Megan R Hill
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Wenxu Zhang
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Samantha L Kristufek
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Jeremiah A Johnson
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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50
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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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