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Sayala J, Srivastava E, Kumar P, Shukla N, Kumar A, Patra AK. Photocytotoxic kinetically stable ruthenium(II)- N, N-donor polypyridyl complexes of oxalate with anticancer activity against HepG2 liver cancer cells. Dalton Trans 2024; 53:4580-4597. [PMID: 38349214 DOI: 10.1039/d3dt04058e] [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: 03/06/2024]
Abstract
Liver cancer is one of the leading causes of death that motivating scientists worldwide to synthesize novel chemotherapeutics. Ru(II)-polypyridyl complexes are extensively studied for possible therapeutic and cellular applications due to their tunable coordination chemistry, structural diversity, ligand-exchange kinetics, accessible redox states, and rich photophysical or photochemical properties. Herein, we have synthesized a series of Ru(II) polypyridyl complexes [RuII(N^N)2(ox)] (1-3), where ox is oxalate (C2O42-) and N^N is 1,10-phenanthroline (phen) (1), dipyrido[3,2-d:2',3'-f]quinoxaline (dpq) (2), and dipyrido[3,2,-a:2',3'-c]phenazine (dppz) (3). Oxalate (ox2-) was opted as a bioactive dioxo ligand to prevent facile hydrolysis in aqueous media, thereby increasing the stability of the Ru(II)-polypyridyl complexes in physiological media. We thoroughly characterized all the complexes using ESI-MS, FT-IR, UV-vis, and 1H NMR spectroscopy and other physicochemical methods. The complexes were stable under physiological conditions and under low-energy green LED light (λirr = 530 nm). However, the photoirradiation of complexes resulted in the efficient generation of singlet oxygen (1O2) as a major reactive oxygen species (ROS). The role of the extended aromatic conjugation of the N^N-donor ligands in the complexes was demonstrated by their binding propensities with CT-DNA and bovine serum albumin (BSA). Both DNA intercalation and groove binding were evidenced, while tryptophan (Trp) and tyrosine (Tyr) binding site preferences were revealed from the synchronous fluorescence spectra (SFS) of BSA. The cytotoxic profiling of the complexes performed on hepatocellular carcinoma cells (HepG2) in the dark and in the presence of green light indicated their dose-dependent cytotoxicity. The [RuII(N^N)2(ox)] complexes exhibited enhanced photocytotoxicity mediated by efficient generation of cytotoxic 1O2 and effective interaction with DNA. All the complexes were internalized by the HepG2 liver cancer cells efficiently and localized to the cytoplasm and nucleus. The complexes exhibited potent anti-proliferative, anti-clonogenic, and anti-migratory effects on the cancer cells, suggesting their potential for therapeutic applications.
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Affiliation(s)
- Juhi Sayala
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India.
| | - Ekta Srivastava
- Department of Biological Science & Bioengineering Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Priyaranjan Kumar
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India.
| | - Nitin Shukla
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India.
| | - Ashok Kumar
- Department of Biological Science & Bioengineering Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
- Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
- Center for Nanosciences, Indian Institute of Technology Kanpur, Kanpur 208016, India
- The Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Ashis K Patra
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India.
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2
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Deen MC, Gilormini PA, Vocadlo DJ. Strategies for quantifying the enzymatic activities of glycoside hydrolases within cells and in vivo. Curr Opin Chem Biol 2023; 77:102403. [PMID: 37856901 DOI: 10.1016/j.cbpa.2023.102403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/21/2023]
Abstract
Within their native milieu of the cell, the activities of enzymes are controlled by a range of factors including protein interactions and post-translational modifications. The involvement of these factors in fundamental cell biology and the etiology of diseases is stimulating interest in monitoring enzyme activities within tissues. The creation of synthetic substrates, and their use with different imaging modalities, to detect and quantify enzyme activities has great potential to propel these areas of research. Here we describe the latest developments relating to the creation of substrates for imaging and quantifying the activities of glycoside hydrolases, focusing on mammalian systems. The limitations of current tools and the difficulties within the field are summarised, as are prospects for overcoming these challenges.
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Affiliation(s)
- Matthew C Deen
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
| | - Pierre-André Gilormini
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
| | - David J Vocadlo
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada; Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada.
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3
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Dutta A, Maiti D, Katarkar A, Sasmal M, Khatun R, Moni D, Habibullah M, Ali M. N-Nitrosation Based Fluorescence Turn-On Nitric Oxide Probe: Kinetic and Cell Imaging Studies. ACS APPLIED BIO MATERIALS 2023; 6:3266-3277. [PMID: 37556766 DOI: 10.1021/acsabm.3c00362] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Nitric oxide (NO) is a ubiquitous messenger molecule playing a key role in various physiological and pathological processes. However, producing a selective turn-on fluorescence response to NO is a challenging task due to (a) the very short half-life of NO (typically in the range of 0.1-10 s) in the biological milieu and (b) false positive responses to reactive carbonyl species (RCS) (e.g., dehydroascorbic acid and methylglyoxal etc.) and some other reactive oxygen/nitrogen species (ROS/RNS), especially with o-phenylenediamine (OPD) based fluorosensors. To avoid these limitations, NO sensors should be designed in such a way that they react spontaneously with NO to give turn-on response within the time frame of t1/2 (typically in the range of 0.1-10 s) of NO and λem in the visible wavelength along with good cell permeability to achieve biocompatibility. With these views in mind, a N-nitrosation based fluorescent sensor, NDAQ, has been developed that is highly selective to NO with ∼27-fold fluorescence enhancement at λem = 542 nm with high sensitivity (LOD = 7 ± 0.4 nM) and shorter response time, eliminating the interference of other reactive species (RCS/ROS/RNS). Furthermore, all the photophysical studies with NDAQ have been performed in 98% aqueous medium at physiological pH, indicating its good stability under physiological conditions. The kinetic assay illustrates the second-order dependency with respect to NO concentration and first-order dependency with respect to NDAQ concentration. The biological studies reveal the successful application of the probe to track both endogenous and exogenous NO in living organisms.
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Affiliation(s)
- Ananya Dutta
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
| | - Debjani Maiti
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
| | - Atul Katarkar
- Department of Biochemistry, University of Lausanne, Ch. des Boveresses 155, 1066 Epalinges, Switzerland
| | - Mihir Sasmal
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
| | - Rousunara Khatun
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
- Aliah University, ll-A/27, Action Area II, Newtown, Action Area II, Kolkata, West Bengal 700160, India
| | - Dolan Moni
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
| | - Mansur Habibullah
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
| | - Mahammad Ali
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
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4
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Mikesell LD, Livinghouse T. Base-Catalyzed Phenol-Mannich Condensation of Preformed Cesium Iminodiacetate. The Direct Synthesis of Calcein Blue AM and Related Acyloxymethyl Esters. J Org Chem 2023; 88:12064-12068. [PMID: 37556402 DOI: 10.1021/acs.joc.3c00155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
A rapid and highly practical one-flask procedure for the positionally selective preparation of (acyloxy)methyl N-(2-hydroxybenzyl)iminodiacetate and related diesters from iminodiacetic acid and phenols is described. The key to this multicomponent phenol-Mannich condensation resides in the use of cesium iminodiacetate as the reaction partner. This protocol has been applied in an unusually direct synthesis of the intracellular fluorescent dye Calcein blue AM, for which scant experimental and spectroscopic data are presently available.
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Affiliation(s)
- Logan D Mikesell
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Tom Livinghouse
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
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Lin XY, Sun SH, Liu YT, Shi QQ, Lv JJ, Peng YJ. Thiophene and diaminobenzo- (1,2,5-thiadiazol)- based DAD-type near-infrared fluorescent probe for nitric oxide: A theoretical research. Front Chem 2023; 10:990979. [PMID: 36700081 PMCID: PMC9870051 DOI: 10.3389/fchem.2022.990979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 12/14/2022] [Indexed: 01/11/2023] Open
Abstract
A near-infrared fluorescent probe (LS-NO) for the real-time detection of nitric oxide (NO) in inflammatory bowel disease (IBD) was developed recently. The probe used oligoglycol morpholine-functionalized thiophene as strong electron donors and diaminobenzene (1,2,5-thiadiazole) as a weak electron acceptor and NO trapping group. It could detect exogenous and endogenous NO in the lysosomes of living cells with high sensitivity and specificity. To further understand the fluorescent mechanism and character of the probes LS-NO and LS-TZ (after the reaction of the probe LS-NO with NO), the electron transfer in the excitation and emitting process within the model molecules DAD-NO and DAD-TZ was analyzed in detail under the density functional theory. The calculation results indicated the transformation from diaminobenzene (1,2,5-thiadiazole) as a weak electron acceptor to triazolo-benzo-(1,2,5-thiadiazole) as a strong electron acceptor made LS-NO an effective "off-on" near-infrared NO fluorescent probe.
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Affiliation(s)
- X. Y. Lin
- College of Public Health, Jinzhou Medical University, Jinzhou, China
| | - S. H. Sun
- College of Public Health, Jinzhou Medical University, Jinzhou, China
| | - Y. T. Liu
- College of Public Health, Jinzhou Medical University, Jinzhou, China
| | - Q. Q. Shi
- College of Public Health, Jinzhou Medical University, Jinzhou, China
| | - J. J. Lv
- College of Public Health, Jinzhou Medical University, Jinzhou, China
| | - Y. J. Peng
- College of Bio informational Engineering, Jinzhou Medical University, Jinzhou, China
- College of Physics, Nankai University, Tianjin, China
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Huang S, Han X, Liu Y, Huang P, Deng KY, Wu FY. A Reversible Fluorescent Probe Based on a Redox-Switchable Excited-State Intramolecular Proton-Transfer Active Metal-Organic Framework for Detection and Imaging of Highly Reactive Oxygen Species in Live Cells. ACS APPLIED BIO MATERIALS 2022; 5:5165-5173. [PMID: 36239223 DOI: 10.1021/acsabm.2c00541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Detection and imaging of highly reactive oxygen species (hROS) in biological systems using fluorescent probes are critical for the study of physiological and pathological processes induced by hROS. Herein, we report a redox-active luminescent metal-organic framework (MOF), which incorporates a hydroquinone moiety that can undergo a reversible transformation from the hydroquinone to the quinone by hROS like •OH and ClO-. Moreover, the intrinsic fluorescence originating from the excited-state intramolecular proton transfer (ESIPT) property of the organic linker can be finely regulated during this redox-switchable process. A reversible fluorescent probe for hROS is thus developed. The presented probe shows a sensitive, selective, and reversible response to hROS due to the integration of excellent structural characteristics and unique spectral properties of the MOF. The detection limits of •OH and ClO- are 0.22 and 0.18 μM, respectively. Furthermore, with good photostability and super biocompatibility, this simple yet efficient fluorescent probe has been successfully applied to dynamic monitoring of endogenous and exogenous •OH and ClO- in live cells.
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Affiliation(s)
- Shan Huang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Xinhao Han
- Institute of Translational Medicine, Nanchang University, Nanchang 330031, China
| | - Ying Liu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Pengcheng Huang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Ke-Yu Deng
- Institute of Translational Medicine, Nanchang University, Nanchang 330031, China
| | - Fang-Ying Wu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
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7
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Shimauchi T, Numaga-Tomita T, Kato Y, Morimoto H, Sakata K, Matsukane R, Nishimura A, Nishiyama K, Shibuta A, Horiuchi Y, Kurose H, Kim SG, Urano Y, Ohshima T, Nishida M. A TRPC3/6 Channel Inhibitor Promotes Arteriogenesis after Hind-Limb Ischemia. Cells 2022; 11:cells11132041. [PMID: 35805125 PMCID: PMC9266111 DOI: 10.3390/cells11132041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/23/2022] [Accepted: 06/24/2022] [Indexed: 12/04/2022] Open
Abstract
Retarded revascularization after progressive occlusion of large conductance arteries is a major cause of bad prognosis for peripheral artery disease (PAD). However, pharmacological treatment for PAD is still limited. We previously reported that suppression of transient receptor potential canonical (TRPC) 6 channel activity in vascular smooth muscle cells (VSMCs) facilitates VSMC differentiation without affecting proliferation and migration. In this study, we found that 1-benzilpiperadine derivative (1-BP), a selective inhibitor for TRPC3 and TRPC6 channel activities, induced VSMC differentiation. 1-BP-treated mice showed increased capillary arterialization and improvement of peripheral circulation and skeletal muscle mass after hind-limb ischemia (HLI) in mice. 1-BP had no additive effect on the facilitation of blood flow recovery after HLI in TRPC6-deficient mice, suggesting that suppression of TRPC6 underlies facilitation of the blood flow recovery by 1-BP. 1-BP also improved vascular nitric oxide bioavailability and blood flow recovery after HLI in hypercholesterolemic mice with endothelial dysfunction, suggesting the retrograde interaction from VSMCs to endothelium. These results suggest that 1-BP becomes a potential seed for PAD treatments that target vascular TRPC6 channels.
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Affiliation(s)
- Tsukasa Shimauchi
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Okazaki 444-8585, Japan; (T.S.); (T.N.-T.); (A.N.)
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki 444-8787, Japan
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Takuro Numaga-Tomita
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Okazaki 444-8585, Japan; (T.S.); (T.N.-T.); (A.N.)
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki 444-8787, Japan
- Department of Molecular Pharmacology, Shinshu University School of Medicine and Health Sciences, Matsumoto 390-8621, Japan
| | - Yuri Kato
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Kosuke Sakata
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Ryosuke Matsukane
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Akiyuki Nishimura
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Okazaki 444-8585, Japan; (T.S.); (T.N.-T.); (A.N.)
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki 444-8787, Japan
- Department of Physiological Sciences, SOKENDAI (School of Life Science, The Graduate University for Advanced Studies), Okazaki 444-8585, Japan
| | - Kazuhiro Nishiyama
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Atsushi Shibuta
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Yutoku Horiuchi
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Hitoshi Kurose
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Sang Geon Kim
- College of Pharmacy, Dongguk University-Seoul, Goyang-si 10326, Gyeonggi-Do, Korea;
| | - Yasuteru Urano
- Laboratory of Chemistry and Biology, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo 113-0033, Japan;
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
| | - Motohiro Nishida
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Okazaki 444-8585, Japan; (T.S.); (T.N.-T.); (A.N.)
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki 444-8787, Japan
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan; (Y.K.); (H.M.); (K.S.); (R.M.); (K.N.); (A.S.); (Y.H.); (H.K.); (T.O.)
- Department of Physiological Sciences, SOKENDAI (School of Life Science, The Graduate University for Advanced Studies), Okazaki 444-8585, Japan
- Correspondence: ; Tel./Fax: +81-92-642-6556
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8
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Carbon dots as Reactive Nitrogen Species nanosensors. Anal Chim Acta 2022; 1202:339654. [DOI: 10.1016/j.aca.2022.339654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 11/15/2022]
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9
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Mahesha P, Shetty NS, Kulkarni SD. A Review on Metal Ion Sensors Derived from Chalcone Precursor. J Fluoresc 2022; 32:835-862. [PMID: 35199297 PMCID: PMC9095558 DOI: 10.1007/s10895-022-02900-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 02/01/2022] [Indexed: 11/26/2022]
Abstract
Disclosure of new molecular probes as chromogenic and fluorogenic cation sensors is scientifically exigent work. Recently chalcone derivatives gained more attention because of their structural variability. A suitable donor and acceptor groups separated by delocalized π-orbitals display excellent chromogenic and fluorogenic properties because of intramolecular charge transfer (ICT). These designed molecular frameworks provide the coordination sites to the incoming metal ions results in small changes in the optical properties. In a typical sensing behavior, coordination leads to a large conjugation plane with the probe resulted in hypo/hyperchromic shifts or red/blue shifts. In this review, we tried to converge the reported chalcone-derived sensors and explored the design, synthesis, metal ion sensing mechanism, and practical application of the probes. We expect that this review gives a basic outline for researchers to explore the field of chalcone-based sensors further.
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Affiliation(s)
- Priyanka Mahesha
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Nitinkumar S Shetty
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, India.
| | - Suresh D Kulkarni
- Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
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10
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Ye H, Sun L, Pang Z, Ji X, Jiao Y, Tu X, Huang H, Tang X, Xi Z, Yi L. Cell-Trappable BODIPY-NBD Dyad for Imaging of Basal and Stress-Induced H 2S in Live Biosystems. Anal Chem 2022; 94:1733-1741. [PMID: 35019257 DOI: 10.1021/acs.analchem.1c04324] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
H2S is a gaseous signaling molecule that is involved in many physiological and pathological processes. In general, the level of intracellular H2S (<1 μM) is much lower than that of GSH (∼1-10 mM), leading to the remaining challenge of selective detection and differentiation of endogenous H2S in live biosystems. To this end, we quantitatively demonstrate that the thiolysis of NBD amine has much higher selectivity for H2S over GSH than that of the reduction of aryl azide. Subsequently, we developed the first NBD-based cell-trappable probe 1 (AM-BODIPY-NBD) for highly selective and ultrasensitive imaging of intracellular H2S. Probe 1 demonstrates a 207-fold fluorescence enhancement at 520 nm after reaction with H2S/esterase to produce a bright BODIPY (quantum yield 0.42) and a detection limit of 15.7 nM. Probe 1 is water-soluble, cell-trappable, and not cytotoxic. Based on this excellent chemical tool, relative levels of basal H2S in different cell lines were measured to reveal a positive correlation between endogenous H2S and the metastatic potential of colon and breast cancer cells. In addition, H2S biogenesis in vivo was also validated by probe 1 both in tobacco leaves under viral infection and in zebrafish after tail amputation. It is anticipated that probe 1 will have widespread applications in imaging and for investigating different H2S-related biological processes and diseases.
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Affiliation(s)
- Haishun Ye
- State Key Laboratory of Organic-Inorganic Composites and Beijing Key Lab of Bioprocess, Beijing University of Chemical Technology, Beijing 100029, China
| | - Lu Sun
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Zhili Pang
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, College of Chemistry, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, Tianjin 300071, China
| | - Xiuru Ji
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Yan Jiao
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Xiaoqiang Tu
- State Key Laboratory of Organic-Inorganic Composites and Beijing Key Lab of Bioprocess, Beijing University of Chemical Technology, Beijing 100029, China
| | - Haojie Huang
- State Key Laboratory of Organic-Inorganic Composites and Beijing Key Lab of Bioprocess, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xinjing Tang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University No. 38, Xueyuan Road, Beijing 100191, China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, College of Chemistry, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, Tianjin 300071, China
| | - Long Yi
- State Key Laboratory of Organic-Inorganic Composites and Beijing Key Lab of Bioprocess, Beijing University of Chemical Technology, Beijing 100029, China
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11
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Du Y, Zhang Y, Huang M, Wang S, Wang J, Liao K, Wu X, Zhou Q, Zhang X, Wu YD, Peng T. Systematic investigation of the aza-Cope reaction for fluorescence imaging of formaldehyde in vitro and in vivo. Chem Sci 2021; 12:13857-13869. [PMID: 34760171 PMCID: PMC8549814 DOI: 10.1039/d1sc04387k] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 09/22/2021] [Indexed: 01/02/2023] Open
Abstract
Increasing evidence has highlighted the endogenous production of formaldehyde (FA) in a variety of fundamental biological processes and its involvement in many disease conditions ranging from cancer to neurodegeneration. To examine the physiological and pathological relevance and functions of FA, fluorescent probes for FA imaging in live biological samples are of great significance. Herein we report a systematic investigation of 2-aza-Cope reactions between homoallylamines and FA for identification of a highly efficient 2-aza-Cope reaction moiety and development of fluorescent probes for imaging FA in living systems. By screening a set of N-substituted homoallylamines and comparing them to previously reported homoallylamine structures for reaction with FA, we found that N-p-methoxybenzyl homoallylamine exhibited an optimal 2-aza-Cope reactivity to FA. Theoretical calculations were then performed to demonstrate that the N-substituent on homoallylamine greatly affects the condensation with FA, which is more likely the rate-determining step. Moreover, the newly identified optimal N-p-methoxybenzyl homoallylamine moiety with a self-immolative β-elimination linker was generally utilized to construct a series of fluorescent probes with varying excitation/emission wavelengths for sensitive and selective detection of FA in aqueous solutions and live cells. Among these probes, the near-infrared probe FFP706 has been well demonstrated to enable direct fluorescence visualization of steady-state endogenous FA in live mouse brain tissues and elevated FA levels in a mouse model of breast cancer. This study provides the optimal aza-Cope reaction moiety for FA probe development and new chemical tools for fluorescence imaging and biological investigation of FA in living systems.
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Affiliation(s)
- Yimeng Du
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
| | - Yuqing Zhang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
| | - Meirong Huang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
| | - Shushu Wang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
| | - Jianzheng Wang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
| | - Kongke Liao
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
| | - Xiaojun Wu
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
| | - Qiang Zhou
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
| | - Xinhao Zhang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
- Shenzhen Bay Laboratory Shenzhen 518132 China
| | - Yun-Dong Wu
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
- Shenzhen Bay Laboratory Shenzhen 518132 China
| | - Tao Peng
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School Shenzhen 518055 China
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12
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Abbasi M, Yaqoob M, Haque RA, Iqbal MA. Potential of Gold Candidates against Human Colon Cancer. Mini Rev Med Chem 2021; 21:69-78. [PMID: 32767935 DOI: 10.2174/1389557520666200807130721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 06/24/2020] [Accepted: 06/29/2020] [Indexed: 11/22/2022]
Abstract
Development of novel metallodrugs with pharmacological profile plays a significant role in modern medicinal chemistry and drug design. Metal complexes have shown remarkable clinical results in current cancer therapy. Gold complexes have attained attention due to their high antiproliferative potential. Gold-based drugs are used for the treatment of rheumatoid arthritis. Gold-containing compounds with selective and specific targets are capable to assuage the symptoms of a range of human diseases. Gold (I) species with labile ligands (such as Cl in TEPAuCl) interact with isolated DNA; therefore, this biomolecule has been considered as a target for gold drugs. Gold (I) has a high affinity towards sulfur and selenium. Due to this, gold (I) drugs readily interact with cysteine or selenocysteine residue of the enzyme to form protein-gold(I) thiolate or protein-gold (I) selenolate complexes that lead to inhibition of the enzyme activity. Au(III) compounds due to their square-planner geometriesthe same as found in cisplatin, represent a good source for the development of anti-tumor agents. This article aims to review the most important applications of gold products in the treatment of human colon cancer and to analyze the complex interplay between gold and the human body.
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Affiliation(s)
- Mahvish Abbasi
- Department of Chemistry, University of Agriculture Faisalabad-38040, Pakistan
| | - Munazzah Yaqoob
- Department of Chemistry, University of Agriculture Faisalabad-38040, Pakistan
| | - Rosenani A Haque
- School of Chemical Sciences, Universiti Sains Malaysia, 11800-USM, Penang, Malaysia
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13
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Li Y, Yi S, Lei Z, Xiao Y. Amphiphilic polymer-encapsulated Au nanoclusters with enhanced emission and stability for highly selective detection of hypochlorous acid. RSC Adv 2021; 11:14678-14685. [PMID: 35423968 PMCID: PMC8698203 DOI: 10.1039/d1ra01634b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 04/13/2021] [Indexed: 11/21/2022] Open
Abstract
It is of vital importance to develop probes to monitor hypochlorous acid (HClO) in biological systems as HClO is associated with many important physiological and pathological processes. Metal nanoclusters (NCs) are promising luminescent nanomaterials for highly reactive oxygen species (hROS) detection on the basis of their strong reaction ability with hROS. However, metal NCs typically can respond to most common hROS and are susceptible to etching by biothiols, hindering their application in the construction of effective HClO probes. Herein, we proposed a strategy to develop a nanoprobe based on Au NCs for highly sensitive and selective detection of HClO. We synthesized luminescent benzyl mercaptan-stabilized Au NCs and encapsulated them with an amphiphilic polymer (DSPE-PEG). After encapsulation, an obvious emission enhancement and good resistance to the etching by biothiols for Au NCs were achieved. More importantly, the DSPE-PEG encapsulated Au NCs can be used as a nanoprobe for detection of HClO with good performance. The luminescence of the Au NCs was effectively and selectively quenched by HClO. A good linear relationship with the concentration of HClO in the range of 5–35 μM and a limit of detection (LOD) of 1.4 μM were obtained. Additionally, this nanoprobe was successfully used for bioimaging and monitoring of HClO changes in live cells, suggesting the application potential of the as-prepared amphiphilic polymer-encapsulated Au NCs for further HClO-related biomedical research. Amphiphilic polymer-encapsulated Au nanoclusters with enhanced emission and stability were synthesized and used for the sensitive and selective detection of hypochlorous acid.![]()
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Affiliation(s)
- Yiling Li
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University Wuhan 430062 China
| | - Shuxiao Yi
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University Wuhan 430062 China
| | - Zhongli Lei
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University Wuhan 430062 China
| | - Yan Xiao
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University Wuhan 430062 China
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14
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Turnbull JL, Benlian BR, Golden RP, Miller EW. Phosphonofluoresceins: Synthesis, Spectroscopy, and Applications. J Am Chem Soc 2021; 143:6194-6201. [PMID: 33797899 DOI: 10.1021/jacs.1c01139] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Xanthene fluorophores, like fluorescein, have been versatile molecules across diverse fields of chemistry and life sciences. Despite the ubiquity of 3-carboxy and 3-sulfonofluorescein for the last 150 years, to date, no reports of 3-phosphonofluorescein exist. Here, we report the synthesis, spectroscopic characterization, and applications of 3-phosphonofluoresceins. The absorption and emission of 3-phosphonofluoresceins remain relatively unaltered from the parent 3-carboxyfluorescein. 3-Phosphonofluoresceins show enhanced water solubility compared to 3-carboxyfluorescein and persist in an open, visible light-absorbing state even at low pH and in low dielectric media while 3-carboxyfluoresceins tend to lactonize. In contrast, the spirocyclization tendency of 3-phosphonofluoresceins can be modulated by esterification of the phosphonic acid. The bis-acetoxymethyl ester of 3-phosphonofluorescein readily enters living cells, showing excellent accumulation (>6x) and retention (>11x), resulting in a nearly 70-fold improvement in cellular brightness compared to 3-carboxyfluorescein. In a complementary fashion, the free acid form of 3-phosphonofluorescein does not cross cellular membranes, making it ideally suited for incorporation into a voltage-sensing scaffold. We develop a new synthetic route to functionalized 3-phosphonofluoresceins to enable the synthesis of phosphono-voltage sensitive fluorophores, or phosVF2.1.Cl. Phosphono-VF2.1.Cl shows excellent membrane localization, cellular brightness, and voltage sensitivity (26% ΔF/F per 100 mV), rivaling that of sulfono-based VF dyes. In summary, we develop the first synthesis of 3-phosphonofluoresceins, characterize the spectroscopic properties of this new class of xanthene dyes, and utilize these insights to show the utility of 3-phosphonofluoresceins in intracellular imaging and membrane potential sensing.
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15
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He X, Ding F, Sun X, Zheng Y, Xu W, Ye L, Chen H, Shen J. Reversible Chemosensor for Bioimaging and Biosensing of Zn(II) and hpH in Cells, Larval Zebrafish, and Plants with Dual-Channel Fluorescence Signals. Inorg Chem 2021; 60:5563-5572. [PMID: 33667336 DOI: 10.1021/acs.inorgchem.0c03456] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Zinc/Zn(II) is an essential trace element for humans and acts as an important substance that maintains the normal growth, development, and metabolism of the body. Excess or deficient Zn(II) can cause abnormal metabolism in the human body, leading to a series of diseases. Moreover, biosystems have complex homeostasis systems, especially harsh pH (OH-) environments. Thus, investigating the variation in the levels of Zn(II) and OH- is extremely important in clinical, medical, and environmental testing. Nevertheless, the lack of practical and convenient fluorescence imaging tools limits the tracing of Zn(II) and OH- in biosystems. In this work, a well-designed dual-channel fluorescent signal response chemosensor (DACH-fhba) was assembled for selective sensing of Zn(II) and OH- in the biosystem using a fluorescence turn-on strategy. On encountering Zn(II), the chemosensor emitted a blue fluorescence signal (455 nm). Meanwhile, the bright green fluorescence signal (530 nm) increased with OH- addition simultaneously. With the blue/green dual fluorescence response of DACH-fhba, the sensor exhibited high stability and reversibility. Notably, the bioimaging revealed that DACH-fhba successfully tracked Zn(II) and OH- in live cells, larval zebrafish, and plants. Further results implied that DACH-fhba can be used to achieve visual detection of Zn(II) and OH- in organisms. Altogether, this work is conducive to the monitoring of Zn(II) and OH- in organisms and promotes the understanding of the function of Zn(II) and OH- in biosystems.
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Affiliation(s)
- Xiaojun He
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Feng Ding
- Department of Microbiology & Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Xiaoshuai Sun
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yujing Zheng
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Wei Xu
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Lisong Ye
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Hong Chen
- College of Food and Drug, Henan Functional Cosmetics Engineering & Technology Research Center, Luoyang Normal University, Luoyang, Henan 471934, China
| | - Jianliang Shen
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.,Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325001, China
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16
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Zhu M, Lu D, Lian Q, Wu S, Wang W, Lyon LA, Wang W, Bártolo P, Dickinson M, Saunders BR. Highly swelling pH-responsive microgels for dual mode near infra-red fluorescence reporting and imaging. NANOSCALE ADVANCES 2020; 2:4261-4271. [PMID: 36132786 PMCID: PMC9419105 DOI: 10.1039/d0na00581a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 08/12/2020] [Indexed: 05/08/2023]
Abstract
Near infra-red (NIR) fluorescence is a desirable property for probe particles because such deeply penetrating light enables remote reporting of the local environment in complex surroundings and imaging. Here, two NIR non-radiative energy transfer (NRET) fluorophores (Cy5 and Cy5.5) are coupled to preformed pH-responsive poly(ethylacrylate-methacrylic acid-divinylbenzene) microgel particles (PEA-MAA-5/5.5 MGs) to obtain new NIR fluorescent probes that are cytocompatible and swell strongly. NIR ratiometric photoluminescence (PL) intensity analysis enables reporting of pH-triggered PEA-MAA-5/5.5 MG particle swelling ratios over a very wide range (from 1-90). The dispersions have greatly improved colloidal stability compared to a reference temperature-responsive NIR MG based on poly(N-isopropylacrylamide) (PNP-5/5.5). We also show that the wavelength of maximum PL intensity (λ max) is a second PL parameter that enables remote reporting of swelling for both PEA-MAA-5/5.5 and PNP-5/5.5 MGs. After internalization the PEA-MAA-5/5.5 MGs are successfully imaged in stem cells using NIR light. They are also imaged after subcutaneous injection into model tissue using NIR light. The new NIR PEA-MAA-5/5.5 MGs have excellent potential for reporting their swelling states (and any changes) within physiological settings as well as very high ionic strength environments (e.g., waste water).
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Affiliation(s)
- Mingning Zhu
- Department of Materials, University of Manchester, MSS Tower Manchester M13 9PL UK
| | - Dongdong Lu
- Department of Materials, University of Manchester, MSS Tower Manchester M13 9PL UK
| | - Qing Lian
- Department of Materials, University of Manchester, MSS Tower Manchester M13 9PL UK
| | - Shanglin Wu
- Department of Materials, University of Manchester, MSS Tower Manchester M13 9PL UK
| | - Wenkai Wang
- Department of Materials, University of Manchester, MSS Tower Manchester M13 9PL UK
| | - L Andrew Lyon
- Schmid College of Science and Technology, Chapman University Orange CA 92866 USA
- Fowler School of Engineering, Chapman University Orange CA 92866 USA
| | - Weiguang Wang
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering, University of Manchester Manchester M13 9PL UK
| | - Paulo Bártolo
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering, University of Manchester Manchester M13 9PL UK
| | - Mark Dickinson
- Photon Science Institute, University of Manchester Oxford Road Manchester M13 9PL UK
| | - Brian R Saunders
- Department of Materials, University of Manchester, MSS Tower Manchester M13 9PL UK
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17
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Affiliation(s)
- Leonid Patsenker
- Department of Natural SciencesAriel University Ariel 40700 Israel
| | - Gary Gellerman
- Department of Natural SciencesAriel University Ariel 40700 Israel
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18
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Carney IJ, Kolanowski JL, Lim Z, Chekroun B, Torrisi AG, Hambley TW, New EJ. A ratiometric iron probe enables investigation of iron distribution within tumour spheroids. Metallomics 2019; 10:553-556. [PMID: 29658547 DOI: 10.1039/c7mt00297a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Iron dysregulation is implicated in numerous diseases, and iron homeostasis is profoundly influenced by the labile iron pool (LIP). Tools to easily observe changes in the LIP are limited, with calcein AM-based assays most widely used. We describe here FlCFe1, a ratiometric analogue of calcein AM, which also provides the capacity for imaging iron in 3D cell models.
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Affiliation(s)
- Isaac J Carney
- School of Chemistry, The University of Sydney, NSW 2006, Australia.
| | | | - Zelong Lim
- School of Chemistry, The University of Sydney, NSW 2006, Australia.
| | | | - Angela G Torrisi
- School of Chemistry, The University of Sydney, NSW 2006, Australia.
| | - Trevor W Hambley
- School of Chemistry, The University of Sydney, NSW 2006, Australia.
| | - Elizabeth J New
- School of Chemistry, The University of Sydney, NSW 2006, Australia.
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19
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Jiao X, Huang K, He S, Liu C, Zhao L, Zeng X. A mitochondria-targeted near-infrared fluorescent probe with a large Stokes shift for real-time detection of hypochlorous acid. Org Biomol Chem 2019; 17:108-114. [DOI: 10.1039/c8ob02583e] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A real-time mitochondria-targeted near-infrared fluorescent probeLhas been synthesized with large Stokes shifts, and high selectivity and sensitivity.
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Affiliation(s)
- Xiaojie Jiao
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- and Key Laboratory of Display Materials and Photoelectric Devices
- Ministry of Education
- School of Materials Science & Engineering
- Tianjin University of Technology
| | - Kun Huang
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- and Key Laboratory of Display Materials and Photoelectric Devices
- Ministry of Education
- School of Materials Science & Engineering
- Tianjin University of Technology
| | - Song He
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- and Key Laboratory of Display Materials and Photoelectric Devices
- Ministry of Education
- School of Materials Science & Engineering
- Tianjin University of Technology
| | - Chang Liu
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- and Key Laboratory of Display Materials and Photoelectric Devices
- Ministry of Education
- School of Materials Science & Engineering
- Tianjin University of Technology
| | - Liancheng Zhao
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- and Key Laboratory of Display Materials and Photoelectric Devices
- Ministry of Education
- School of Materials Science & Engineering
- Tianjin University of Technology
| | - Xianshun Zeng
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- and Key Laboratory of Display Materials and Photoelectric Devices
- Ministry of Education
- School of Materials Science & Engineering
- Tianjin University of Technology
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20
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Zielonka J, Kalyanaraman B. Small-molecule luminescent probes for the detection of cellular oxidizing and nitrating species. Free Radic Biol Med 2018; 128:3-22. [PMID: 29567392 PMCID: PMC6146080 DOI: 10.1016/j.freeradbiomed.2018.03.032] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/09/2018] [Accepted: 03/16/2018] [Indexed: 01/24/2023]
Abstract
Reactive oxygen species (ROS) have been implicated in both pathogenic cellular damage events and physiological cellular redox signaling and regulation. To unravel the biological role of ROS, it is very important to be able to detect and identify the species involved. In this review, we introduce the reader to the methods of detection of ROS using luminescent (fluorescent, chemiluminescent, and bioluminescent) probes and discuss typical limitations of those probes. We review the most widely used probes, state-of-the-art assays, and the new, promising approaches for rigorous detection and identification of superoxide radical anion, hydrogen peroxide, and peroxynitrite. The combination of real-time monitoring of the dynamics of ROS in cells and the identification of the specific products formed from the probes will reveal the role of specific types of ROS in cellular function and dysfunction. Understanding the molecular mechanisms involving ROS may help with the development of new therapeutics for several diseases involving dysregulated cellular redox status.
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Affiliation(s)
- Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States.
| | - Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
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21
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Lee LC, Cheung HM, Liu H, Lo KK. Exploitation of Environment‐Sensitive Luminophores in the Design of Sydnone‐Based Bioorthogonal Imaging Reagents. Chemistry 2018; 24:14064-14068. [DOI: 10.1002/chem.201803452] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 07/10/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Lawrence Cho‐Cheung Lee
- Department of ChemistryCity University of Hong Kong Tat Chee Avenue Kowloon, Hong Kong P. R. China
| | - Hugo Man‐Hin Cheung
- Department of ChemistryCity University of Hong Kong Tat Chee Avenue Kowloon, Hong Kong P. R. China
| | - Hua‐Wei Liu
- Department of ChemistryCity University of Hong Kong Tat Chee Avenue Kowloon, Hong Kong P. R. China
| | - Kenneth Kam‐Wing Lo
- Department of ChemistryCity University of Hong Kong Tat Chee Avenue Kowloon, Hong Kong P. R. China
- State Key Laboratory of Millimeter WavesCity University of Hong Kong Tat Chee Avenue Kowloon, Hong Kong P. R. China
- Center of Functional PhotonicsCity University of Hong Kong Tat Chee Avenue Kowloon, Hong Kong P. R. China
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22
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Anorma C, Hedhli J, Bearrood TE, Pino NW, Gardner SH, Inaba H, Zhang P, Li Y, Feng D, Dibrell SE, Kilian KA, Dobrucki LW, Fan TM, Chan J. Surveillance of Cancer Stem Cell Plasticity Using an Isoform-Selective Fluorescent Probe for Aldehyde Dehydrogenase 1A1. ACS CENTRAL SCIENCE 2018; 4:1045-1055. [PMID: 30159402 PMCID: PMC6107868 DOI: 10.1021/acscentsci.8b00313] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Indexed: 05/19/2023]
Abstract
Cancer stem cells (CSCs) are progenitor cells that contribute to treatment-resistant phenotypes during relapse. CSCs exist in specific tissue microenvironments that cell cultures and more complex models cannot mimic. Therefore, the development of new approaches that can detect CSCs and report on specific properties (e.g., stem cell plasticity) in their native environment have profound implications for studying CSC biology. Herein, we present AlDeSense, a turn-on fluorescent probe for aldehyde dehydrogenase 1A1 (ALDH1A1) and Ctrl-AlDeSense, a matching nonresponsive reagent. Although ALDH1A1 contributes to the detoxification of reactive aldehydes, it is also associated with stemness and is highly elevated in CSCs. AlDeSense exhibits a 20-fold fluorescent enhancement when treated with ALDH1A1. Moreover, we established that AlDeSense is selective against a panel of common ALDH isoforms and exhibits exquisite chemostability against a collection of biologically relevant species. Through the application of surface marker antibody staining, tumorsphere assays, and assessment of tumorigenicity, we demonstrate that cells exhibiting high AlDeSense signal intensity have properties of CSCs. Using these probes in tandem, we have identified CSCs at the cellular level via flow cytometry and confocal imaging, as well as monitored their states in animal models.
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Affiliation(s)
- Chelsea Anorma
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Jamila Hedhli
- Department
of Bioengineering, University of Illinois
at Urbana−Champaign, 1304 W. Springfield Avenue, Urbana, Illinois 61801, United
States
- Beckman Institute
for Advanced Science and Technology, University
of Illinois at Urbana−Champaign, 405 N. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Thomas E. Bearrood
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Nicholas W. Pino
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Sarah H. Gardner
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Hiroshi Inaba
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Pamela Zhang
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Yanfen Li
- Department
of Bioengineering, University of Illinois
at Urbana−Champaign, 1304 W. Springfield Avenue, Urbana, Illinois 61801, United
States
| | - Daven Feng
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Sara E. Dibrell
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Kristopher A. Kilian
- Department
of Bioengineering, University of Illinois
at Urbana−Champaign, 1304 W. Springfield Avenue, Urbana, Illinois 61801, United
States
- School
of Materials Science and Engineering, School of Chemistry, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Lawrence W. Dobrucki
- Department
of Bioengineering, University of Illinois
at Urbana−Champaign, 1304 W. Springfield Avenue, Urbana, Illinois 61801, United
States
- Beckman Institute
for Advanced Science and Technology, University
of Illinois at Urbana−Champaign, 405 N. Mathews Avenue, Urbana, Illinois 61801, United States
| | - Timothy M. Fan
- Department
of Veterinary Clinical Medicine, University
of Illinois at Urbana−Champaign, 2001 S Lincoln Avenue, Urbana, Illinois 61801, United States
| | - Jefferson Chan
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
- Beckman Institute
for Advanced Science and Technology, University
of Illinois at Urbana−Champaign, 405 N. Mathews Avenue, Urbana, Illinois 61801, United States
- E-mail:
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23
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Wang H, Liu Y, Wang Z, Yang M, Gu Y. 808 nm-light-excited upconversion nanoprobe based on LRET for the ratiometric detection of nitric oxide in living cancer cells. NANOSCALE 2018; 10:10641-10649. [PMID: 29845132 DOI: 10.1039/c8nr03078b] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
NO (nitric oxide) has dual functions in cancer, promoting carcinogenesis in low concentrations and inducing tumor cell apoptosis at high concentrations. The dual-edged-sword functions of NO make it particularly appealing to develop a sensitive and specific chemical probe for its detection. However, most NO sensors suffer from poor Stokes shifts and are limited by ultraviolet (UV) or visible light excitation, which render it difficult to avoid the intrinsic background signal. In this study, an 808 nm laser-excited Nd3+-sensitized upconversion nanoprobe based on LRET (luminescence resonance energy-transfer) for NO detection was constructed for the first time. This probe was composed of Nd3+-sensitized core-shell upconversion nanoparticles (540 nm and 660 nm emission) as the energy donor and RhBs as the acceptor. In the presence of NO, RhBs was converted into Rhodamine B and its strong absorption subsequently quenched the 540 nm fluorescence of UCNPs, while the emission at 660 nm remained constant. The ratiometric detection of the fluorescence at 540 nm, as compared to 660 nm, can precisely respond to the difference in NO levels with a detection limit of 0.21 μM. Importantly, compared with conventional UCNPs excited at 980 nm, the 808 nm light excitation led to lower water absorption and deeper tissue penetration, thus avoiding overheating and allowing for long-term biological imaging. This strategy has been perfectly applied to detecting the NO levels in living cells to differentiate the tumor cells from normal cells based on varied intracellular NO concentration. Further, the nanosystem realized the real-time monitoring of NO during treatment with NO donor drugs, which could inspire the future application of this probe to guide NO therapy.
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Affiliation(s)
- Han Wang
- State Key Laboratory of Natural Medicines, Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 210009, China.
| | - Yi Liu
- State Key Laboratory of Natural Medicines, Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 210009, China.
| | - Zhaohui Wang
- State Key Laboratory of Natural Medicines, Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 210009, China.
| | - Man Yang
- State Key Laboratory of Natural Medicines, Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 210009, China.
| | - Yueqing Gu
- State Key Laboratory of Natural Medicines, Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 210009, China.
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24
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Okamoto Y, Kojima R, Schwizer F, Bartolami E, Heinisch T, Matile S, Fussenegger M, Ward TR. A cell-penetrating artificial metalloenzyme regulates a gene switch in a designer mammalian cell. Nat Commun 2018; 9:1943. [PMID: 29769518 PMCID: PMC5955986 DOI: 10.1038/s41467-018-04440-0] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 04/24/2018] [Indexed: 01/24/2023] Open
Abstract
Complementing enzymes in their native environment with either homogeneous or heterogeneous catalysts is challenging due to the sea of functionalities present within a cell. To supplement these efforts, artificial metalloenzymes are drawing attention as they combine attractive features of both homogeneous catalysts and enzymes. Herein we show that such hybrid catalysts consisting of a metal cofactor, a cell-penetrating module, and a protein scaffold are taken up into HEK-293T cells where they catalyze the uncaging of a hormone. This bioorthogonal reaction causes the upregulation of a gene circuit, which in turn leads to the expression of a nanoluc-luciferase. Relying on the biotin-streptavidin technology, variation of the biotinylated ruthenium complex: the biotinylated cell-penetrating poly(disulfide) ratio can be combined with point mutations on streptavidin to optimize the catalytic uncaging of an allyl-carbamate-protected thyroid hormone triiodothyronine. These results demonstrate that artificial metalloenzymes offer highly modular tools to perform bioorthogonal catalysis in live HEK cells.
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Affiliation(s)
- Yasunori Okamoto
- Department of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, CH-4058, Basel, Switzerland
| | - Ryosuke Kojima
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058, Basel, Switzerland.,Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Fabian Schwizer
- Department of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, CH-4058, Basel, Switzerland
| | - Eline Bartolami
- Department of Organic Chemistry, University of Geneva, CH-1211, Geneva, Switzerland
| | - Tillmann Heinisch
- Department of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, CH-4058, Basel, Switzerland
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva, CH-1211, Geneva, Switzerland.
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058, Basel, Switzerland.
| | - Thomas R Ward
- Department of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, CH-4058, Basel, Switzerland.
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25
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Goldberg JM, Wang F, Sessler CD, Vogler NW, Zhang DY, Loucks WH, Tzounopoulos T, Lippard SJ. Photoactivatable Sensors for Detecting Mobile Zinc. J Am Chem Soc 2018; 140:2020-2023. [PMID: 29384658 PMCID: PMC5935517 DOI: 10.1021/jacs.7b12766] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Fluorescent sensors for mobile zinc are valuable for studying complex biological systems. Because these sensors typically bind zinc rapidly and tightly, there has been little temporal control over the activity of the probe after its application to a sample. The ability to control the activity of a zinc sensor in vivo during imaging experiments would greatly improve the time resolution of the measurement. Here, we describe photoactivatable zinc sensors that can be triggered with short pulses of UV light. These probes are prepared by functionalizing a zinc sensor with protecting groups that render the probe insensitive to metal ions. Photoinduced removal of the protecting groups restores the binding site, allowing for zinc-responsive changes in fluorescence that can be observed in live cells and tissues.
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Affiliation(s)
- Jacob M. Goldberg
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Fang Wang
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Chanan D. Sessler
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Nathan W. Vogler
- Pittsburgh Hearing Research Center, Department of Otolaryngology, University of Pittsburgh, 3501 Fifth Avenue, Pittsburgh, Pennsylvania 15261, United States
| | - Daniel Y. Zhang
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - William H. Loucks
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Thanos Tzounopoulos
- Pittsburgh Hearing Research Center, Department of Otolaryngology, University of Pittsburgh, 3501 Fifth Avenue, Pittsburgh, Pennsylvania 15261, United States
| | - Stephen J. Lippard
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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26
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Chuard N, Poblador-Bahamonde AI, Zong L, Bartolami E, Hildebrandt J, Weigand W, Sakai N, Matile S. Diselenolane-mediated cellular uptake. Chem Sci 2018; 9:1860-1866. [PMID: 29675232 PMCID: PMC5892345 DOI: 10.1039/c7sc05151d] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 01/02/2018] [Indexed: 12/19/2022] Open
Abstract
Selenophilicity, minimized dihedral angles, acidic selenols, multitarget hopping: cytosolic delivery with 1,2-diselenolanes outperforms 1,2-dithiolanes, by far.
The emerging power of thiol-mediated uptake with strained disulfides called for a move from sulfur to selenium. We report that according to results with fluorescent model substrates, cellular uptake with 1,2-diselenolanes exceeds uptake with 1,2-dithiolanes and epidithiodiketopiperazines with regard to efficiency as well as intracellular localization. The diselenide analog of lipoic acid performs best. This 1,2-diselenolane delivers fluorophores efficiently to the cytosol of HeLa Kyoto cells, without detectable endosomal capture as with 1,2-dithiolanes or dominant escape into the nucleus as with epidithiodiketopiperazines. Diselenolane-mediated cytosolic delivery is non-toxic (MTT assay), sensitive to temperature but insensitive to inhibitors of endocytosis (chlorpromazine, methyl-β-cyclodextrin, wortmannin, cytochalasin B) and conventional thiol-mediated uptake (Ellman's reagent), and to serum. Selenophilicity, the extreme CSeSeC dihedral angle of 0° and the high but different acidity of primary and secondary selenols might all contribute to uptake. Thiol-exchange affinity chromatography is introduced as operational mimic of thiol-mediated uptake that provides, in combination with rate enhancement of DTT oxidation, direct experimental evidence for existence and nature of the involved selenosulfides.
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Affiliation(s)
- Nicolas Chuard
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Amalia I Poblador-Bahamonde
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Lili Zong
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Eline Bartolami
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Jana Hildebrandt
- Institute of Inorganic and Analytical Chemistry , Friedrich-Schiller University Jena , Germany
| | - Wolfgang Weigand
- Institute of Inorganic and Analytical Chemistry , Friedrich-Schiller University Jena , Germany
| | - Naomi Sakai
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Stefan Matile
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
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27
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You Y. Recent Progress on the Exploration of the Biological Utility of Cyclometalated Iridium(III) Complexes. J CHIN CHEM SOC-TAIP 2018. [DOI: 10.1002/jccs.201700379] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Youngmin You
- Division of Chemical Engineering and Materials Science; Ewha Womans University; Seoul 03760 Republic of Korea
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28
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Kaur A. Introduction. SPRINGER THESES 2018. [PMCID: PMC7122183 DOI: 10.1007/978-3-319-73405-7_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Primordial life forms on earth comprised oxygen-sensitive organisms: the anaerobic fermenters and cyanobacteria, which released oxygen as a metabolic by-product, causing the oxygen levels in the atmosphere to rise Benzie (Eur J Nutr 39:53–61, 2000 [1]), Halliwell (Free Radic Res 31:261–272, 1999 [2]).
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Affiliation(s)
- Amandeep Kaur
- School of Chemistry, University of Sydney, Sydney, NSW Australia
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29
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Fujikawa Y, Nampo T, Mori M, Kikkawa M, Inoue H. Fluorescein diacetate (FDA) and its analogue as substrates for Pi-class glutathione S-transferase (GSTP1) and their biological application. Talanta 2017; 179:845-852. [PMID: 29310316 DOI: 10.1016/j.talanta.2017.12.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/02/2017] [Accepted: 12/02/2017] [Indexed: 10/18/2022]
Abstract
Pi class glutathione S-transferase (GSTP1) is highly expressed in various cancerous cells and pre-neoplastic legions, where it is involved in apoptotic resistance or metabolism of several anti-tumour chemotherapeutics. Therefore, GSTP1 is a marker of malignant and pre-malignant cells and is a promising target for visualization and drug development. Here we demonstrate that fluorescein diacetate (FDA), a fluorescent probe used for vital staining, is a fluorescently activated by esterolytic activity of human GSTP1 (hGSTP1) selectively among various cytosolic GSTs. Fluorescence activation of FDA susceptible to GST inhibitors was observed in MCF7 cells exogenously overexpressing hGSTP1, but not in cells overexpressing hGSTA1 or hGSTM1. Inhibitor-sensitive fluorescence activation was also observed in several cancer cell lines endogenously expressing GSTP1, suggesting that GSTP1 is involved in FDA esterolysis in these cells. Among the FDA derivatives examined, FOMe-Ac, the acetyl ester of fluorescein O-methyl ether, was found to be a potential reporter for GSH-dependent GSTP1 activity as well as for carboxylesterase activity. Since GSTP1 is highly expressed in various types of cancer cells compared to their normal counterparts, improving the fluorogenic substrates to be more selective to the esterolysis activity of GSTP1 rather than carboxylesterases should lead to development of tools for detecting GSTP1-overexpressing cancer cells and investigating the biological functions of GSTP1.
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Affiliation(s)
- Yuuta Fujikawa
- Laboratory of Molecular and Chemical Biology, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan.
| | - Taiki Nampo
- Laboratory of Molecular and Chemical Biology, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan.
| | - Masaya Mori
- Laboratory of Molecular and Chemical Biology, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan.
| | - Manami Kikkawa
- Laboratory of Molecular and Chemical Biology, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan.
| | - Hideshi Inoue
- Laboratory of Molecular and Chemical Biology, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan.
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30
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In vitro anticancer activity of new gold(III) porphyrin complexes in colon cancer cells. J Inorg Biochem 2017; 177:27-38. [DOI: 10.1016/j.jinorgbio.2017.08.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2017] [Revised: 08/24/2017] [Accepted: 08/25/2017] [Indexed: 12/18/2022]
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31
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Steiger AK, Marcatti M, Szabo C, Szczesny B, Pluth MD. Inhibition of Mitochondrial Bioenergetics by Esterase-Triggered COS/H 2S Donors. ACS Chem Biol 2017; 12:2117-2123. [PMID: 28613823 PMCID: PMC6022832 DOI: 10.1021/acschembio.7b00279] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Hydrogen sulfide (H2S) is an important biological mediator, and synthetic H2S donating molecules provide an important class of investigative tools for H2S research. Here, we report esterase-activated H2S donors that function by first releasing carbonyl sulfide (COS), which is rapidly converted to H2S by the ubiquitous enzyme carbonic anhydrase (CA). We report the synthesis, self-immolative decomposition, and H2S release profiles of the developed scaffolds. In addition, the developed esterase-triggered COS/H2S donors exhibit higher levels of cytotoxicity than equivalent levels of Na2S or the common H2S donors GYY4137 and AP39. Using cellular bioenergetics measurements, we establish that the developed donors reduce cellular respiration and ATP synthesis in BEAS 2B human lung epithelial cells, which is consistent with COS/H2S inhibition of cytochrome c oxidase in the mitochondrial respiratory chain although not observed with common H2S donors at the same concentrations. Taken together, these results may suggest that COS functions differently than H2S in certain biological contexts or that the developed donors are more efficient at delivering H2S than other common H2S-releasing motifs.
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Affiliation(s)
- Andrea K Steiger
- Department of Chemistry and Biochemistry, Materials Science Institute, Institute of Molecular Biology, University of Oregon , Eugene, Oregon 97403, United States
| | - Michela Marcatti
- Department of Anaesthesiology, University of Texas Medical Branch , Galveston, Texas 77555, United States
| | - Csaba Szabo
- Department of Anaesthesiology, University of Texas Medical Branch , Galveston, Texas 77555, United States
| | - Bartosz Szczesny
- Department of Anaesthesiology, University of Texas Medical Branch , Galveston, Texas 77555, United States
| | - Michael D Pluth
- Department of Chemistry and Biochemistry, Materials Science Institute, Institute of Molecular Biology, University of Oregon , Eugene, Oregon 97403, United States
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32
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Lei K, Sun M, Du L, Zhang X, Yu H, Wang S, Hayat T, Alsaedi A. Sensitive determination of endogenous hydroxyl radical in live cell by a BODIPY based fluorescent probe. Talanta 2017; 170:314-321. [DOI: 10.1016/j.talanta.2017.04.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Revised: 03/27/2017] [Accepted: 04/01/2017] [Indexed: 12/22/2022]
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33
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Chung CYS, Fung SK, Tong KC, Wan PK, Lok CN, Huang Y, Chen T, Che CM. A multi-functional PEGylated gold(iii) compound: potent anti-cancer properties and self-assembly into nanostructures for drug co-delivery. Chem Sci 2017; 8:1942-1953. [PMID: 28451309 PMCID: PMC5384453 DOI: 10.1039/c6sc03210a] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 11/08/2016] [Indexed: 11/26/2022] Open
Abstract
Gold(iii) porphyrin-PEG conjugates [Au(TPP-COO-PEG5000-OCH3)]Cl (1) and [Au(TPP-CONH-PEG5000-OCH3)]Cl (2) have been synthesized and characterized. Based on the amphiphilic character of the conjugates, they were found to undergo self-assembly into nanostructures with size 120-200 nm and this did not require the presence of other surfactants or components for nano-assembly, unlike most conventional drug nano-formulations. With a readily hydrolyzable ester linkage, chemotherapeutic [Au(TPP-COOH)]+ exhibited triggered release from the conjugate 1 in acidic buffer solution as well as in vitro and in vivo without the formation of toxic side products. The nanostructures of 1 showed higher cellular uptake into cancer cells compared to non-tumorigenic cells, owing to their energy-dependent uptake mechanism. This, together with a generally higher metabolic rate and more acidic nature of cancer cells which can lead to faster hydrolysis of the ester bond, afforded 1 with excellent selectivity in killing cancer cells compared with non-tumorigenic cells in vitro. This was corroborated by fluorescence microscopy imaging and flow cytometric analysis of co-culture model of colon cancer (HCT116) and normal colon (NCM460) cells. In vivo experiments showed that treatment of nude mice bearing HCT116 xenografts with 1 resulted in significant inhibition of tumor growth and, more importantly, minimal systemic toxicity as revealed by histopathological analysis of tissue sections and blood biochemisty. The latter is explained by a lower accumulation of 1 in organs of treated mice at its effective dosage, as compared to that of other gold(iii) porphyrin complexes. Co-assembly of 1 and doxorubicin resulted in encapsulation of doxorubicin by the nanostructures of 1. The nanocomposites demonstrated a strong synergism on killing cancer cells and could overcome efflux pump-mediated drug-resistance in a doxorubicin-resistant ovarian cancer cell line (A2780adr) which was found in cells incubated with doxorubicin alone. Also, the nanocomposites accumulated more slowly in non-tumorigenic cells, resulting in a lower toxicity toward non-tumorigenic cells. These results indicate the potential application of 1 not only as an anti-cancer agent but also as a nanoscale drug carrier for chemotherapy.
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Affiliation(s)
- Clive Yik-Sham Chung
- State Key Laboratory of Synthetic Chemistry , Department of Chemistry and Chemical Biology Centre , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
| | - Sin-Ki Fung
- State Key Laboratory of Synthetic Chemistry , Department of Chemistry and Chemical Biology Centre , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
| | - Ka-Chung Tong
- State Key Laboratory of Synthetic Chemistry , Department of Chemistry and Chemical Biology Centre , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
| | - Pui-Ki Wan
- State Key Laboratory of Synthetic Chemistry , Department of Chemistry and Chemical Biology Centre , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
| | - Chun-Nam Lok
- State Key Laboratory of Synthetic Chemistry , Department of Chemistry and Chemical Biology Centre , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
| | - Yanyu Huang
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
| | - Tianfeng Chen
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
| | - Chi-Ming Che
- State Key Laboratory of Synthetic Chemistry , Department of Chemistry and Chemical Biology Centre , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
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34
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Chemically-activatable alkyne-tagged probe for imaging microdomains in lipid bilayer membranes. Sci Rep 2017; 7:41007. [PMID: 28117375 PMCID: PMC5259774 DOI: 10.1038/srep41007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 12/14/2016] [Indexed: 11/29/2022] Open
Abstract
A chemically-activatable alkynyl steroid analogue probe has been synthesized for visualizing the lipid raft membrane domains by Raman microscopy. The Raman probe, in which ring A of its steroid backbone is replaced with an alkynyl group, was designed to enable activation of the alkyne signal through the Eschenmoser-Tanabe fragmentation reaction of the oxidized cholesterol precursor in lipid bilayer membranes. The alkynyl steroid analogue was observed to form liquid-ordered raft-like domains on a model giant-liposome system in a similar manner as cholesterol, and the large alkyne signal of the accumulated probe at 2120 cm−1 was mapped on the microdomains with a Raman microscope. The alkyne moiety of the probe was confirmed to be converted from the α,β-epoxy ketone group of its precursor by reaction with p-toluensulfonyl hydrazine under a mild condition. Through the reaction, the alkyne signal of the probe was activated on the lipid bilayer membrane of liposomes. Furthermore, the signal activation of the probe was also detected on living cells by stimulated Raman scattering microscopy. The ring-A-opened alkyne steroid analogue, thus, provides a first chemically-activatable Raman probe as a promising tool for potentially unravelling the intracellular formation and trafficking of cholesterol-rich microdomains.
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35
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Ma F, Fischer M, Han Y, Withers SG, Feng Y, Yang GY. Substrate Engineering Enabling Fluorescence Droplet Entrapment for IVC-FACS-Based Ultrahigh-Throughput Screening. Anal Chem 2016; 88:8587-95. [DOI: 10.1021/acs.analchem.6b01712] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Fuqiang Ma
- State
Key Laboratory of Microbial Metabolism, School of Life Sciences and
Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Michael Fischer
- Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Yunbin Han
- State
Key Laboratory of Microbial Metabolism, School of Life Sciences and
Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Stephen G. Withers
- Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Yan Feng
- State
Key Laboratory of Microbial Metabolism, School of Life Sciences and
Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Guang-Yu Yang
- State
Key Laboratory of Microbial Metabolism, School of Life Sciences and
Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
- Shanghai
Collaborative Innovation Center for Biomanufacturing (SCICB), East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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36
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Wang L, Zhang J, Kim B, Peng J, Berry SN, Ni Y, Su D, Lee J, Yuan L, Chang YT. Boronic Acid: A Bio-Inspired Strategy To Increase the Sensitivity and Selectivity of Fluorescent NADH Probe. J Am Chem Soc 2016; 138:10394-7. [PMID: 27500425 DOI: 10.1021/jacs.6b05810] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Fluorescent probes have emerged as an essential tool in the molecular recognition events in biological systems; however, due to the complex structures of certain biomolecules, it remains a challenge to design small-molecule fluorescent probes with high sensitivity and selectivity. Inspired by the enzyme-catalyzed reaction between biomolecule and probe, we present a novel combination-reaction two-step sensing strategy to improve sensitivity and selectivity. Based on this strategy, we successfully prepared a turn-on fluorescent reduced nicotinamide adenine dinucleotide (NADH) probe, in which boronic acid was introduced to bind with NADH and subsequently accelerate the sensing process. This probe shows remarkably improved sensitivity (detection limit: 0.084 μM) and selectivity to NADH in the absence of any enzymes. In order to improve the practicality, the boronic acid was further modified to change the measurement conditions from alkalescent (pH 9.5) to physiological environment (pH 7.4). Utilizing these probes, we not only accurately quantified the NADH weight in a health care product but also evaluated intracellular NADH levels in live cell imaging. Thus, these bio-inspired fluorescent probes offer excellent tools for elucidating the roles of NADH in biological systems as well as a practical strategy to develop future sensitive and selective probes for complicated biomolecules.
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Affiliation(s)
- Lu Wang
- Department of Chemistry and Medicinal Chemistry Program, National University of Singapore , Singapore 117543
| | - Jingye Zhang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University , Shanghai 201203, P. R. China
| | - Beomsue Kim
- Laboratory of Bioimaging Probe Development, Singapore Bioimaging Consortium , Singapore 117543
| | - Juanjuan Peng
- Laboratory of Bioimaging Probe Development, Singapore Bioimaging Consortium , Singapore 117543
| | - Stuart N Berry
- Laboratory of Bioimaging Probe Development, Singapore Bioimaging Consortium , Singapore 117543
| | - Yong Ni
- Laboratory of Bioimaging Probe Development, Singapore Bioimaging Consortium , Singapore 117543
| | - Dongdong Su
- Laboratory of Bioimaging Probe Development, Singapore Bioimaging Consortium , Singapore 117543
| | - Jungyeol Lee
- Department of Chemistry and Medicinal Chemistry Program, National University of Singapore , Singapore 117543
| | - Lin Yuan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, P. R. China
| | - Young-Tae Chang
- Department of Chemistry and Medicinal Chemistry Program, National University of Singapore , Singapore 117543.,Laboratory of Bioimaging Probe Development, Singapore Bioimaging Consortium , Singapore 117543
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37
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Li SPY, Yip AMH, Liu HW, Lo KKW. Installing an additional emission quenching pathway in the design of iridium(III)-based phosphorogenic biomaterials for bioorthogonal labelling and imaging. Biomaterials 2016; 103:305-313. [PMID: 27429251 DOI: 10.1016/j.biomaterials.2016.06.065] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 06/17/2016] [Accepted: 06/29/2016] [Indexed: 12/20/2022]
Abstract
We report the synthesis, characterization, photophysical and electrochemical behaviour and biological labelling applications of new phosphorogenic bioorthogonal probes derived from iridium(III) polypyridine complexes containing a 1,2,4,5-tetrazine moiety. In contrast to common luminescent cyclometallated iridium(III) polypyridine complexes, these tetrazine complexes are almost non-emissive due to effective Förster resonance energy transfer (FRET) and/or photoinduced electron transfer (PET) from the excited iridium(III) polypyridine unit to the appended tetrazine moiety. However, they exhibited significant emission enhancement upon reacting with (1R,8S,9s)-bicyclo[6.1.0]non-4-yn-9-ylmethanol (BCN-OH) (ca. 19.5-121.9 fold) and BCN-modified bovine serum albumin (BCN-BSA) (ca. 140.8-1133.7 fold) as a result of the conversion of the tetrazine unit to a non-quenching pyridazine derivative. The complexes were applied to image azide-modified glycans in live cells using a homobifunctional crosslinker, 1,13-bis((1R,8S,9s)-bicyclo[6.1.0]non-4-yn-9-ylmethyloxycarbonylamino)-4,7,10-trioxatridecane (bis-BCN).
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Affiliation(s)
- Steve Po-Yam Li
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Alex Man-Hei Yip
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Hua-Wei Liu
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Kenneth Kam-Wing Lo
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China; State Key Laboratory of Millimeter Waves, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China.
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38
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Li H, Wan A. Fluorescent probes for real-time measurement of nitric oxide in living cells. Analyst 2016; 140:7129-41. [PMID: 26373251 DOI: 10.1039/c5an01628b] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Nitric oxide (NO) is an important signaling molecule in biology. Both NO excess and insufficiency have been implicated in numerous physiological and pathological conditions. In order to study the diverse biological roles of NO in cells and tissues, many techniques have been developed for assaying NO. Recently, new generations of fluorescent probes have become indispensible tools for the study of NO biology because of their sensitivity, selectivity, spatiotemporal resolution, and experimental feasibility. Rational application of these probes in the study requires the understanding of the molecular mechanism that the probes are involved in. In this review, we will present an arsenal of fluorescent probes used to detect NO in living cells and animal tissues. We will also discuss the molecular mechanisms, actualities and prospects of fluorescent probes in detecting NO in cell biology.
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Affiliation(s)
- Huili Li
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, School of Pharmacy, Shanghai Jiaotong University, 800 Dongchuan Road, Shanghai 200240, China.
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39
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Shi C, Wu JB, Pan D. Review on near-infrared heptamethine cyanine dyes as theranostic agents for tumor imaging, targeting, and photodynamic therapy. JOURNAL OF BIOMEDICAL OPTICS 2016; 21:50901. [PMID: 27165449 DOI: 10.1117/1.jbo.21.5.050901] [Citation(s) in RCA: 164] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 04/20/2016] [Indexed: 05/21/2023]
Abstract
A class of near-infrared fluorescence (NIRF) heptamethine cyanine dyes that are taken up and accumulated specifically in cancer cells without chemical conjugation have recently emerged as promising tools for tumor imaging and targeting. In addition to their fluorescence and nuclear imaging-based tumor-imaging properties, these dyes can be developed as drug carriers to safely deliver chemotherapy drugs to tumors. They can also be used as effective agents for photodynamic therapy with remarkable tumoricidal activity via photodependent cytotoxic activity. The preferential uptake of dyes into cancer but not normal cells is co-operatively mediated by the prevailing activation of a group of organic anion-transporting polypeptides on cancer cell membranes, as well as tumor hypoxia and increased mitochondrial membrane potential in cancer cells. Such mechanistic explorations have greatly advanced the current application and future development of NIRF dyes and their derivatives as anticancer theranostic agents. This review summarizes current knowledge and emerging advances in NIRF dyes, including molecular characterization, photophysical properties, multimodal development and uptake mechanisms, and their growing potential for preclinical and clinical use.
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Affiliation(s)
- Changhong Shi
- Fourth Military Medical University, Laboratory Animal Center, 169 West Changle Road, Xi'an, Shaanxi 710032, China
| | - Jason Boyang Wu
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Uro-Oncology Research Program, Department of Medicine, Los Angeles, California 90048, United States
| | - Dongfeng Pan
- University of Virginia, Department of Radiology, Charlottesville, Virginia 22908, United States
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40
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Kolanowski JL, Kaur A, New EJ. Selective and Reversible Approaches Toward Imaging Redox Signaling Using Small-Molecule Probes. Antioxid Redox Signal 2016; 24:713-30. [PMID: 26607478 DOI: 10.1089/ars.2015.6588] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
SIGNIFICANCE Recent research has identified key roles for reactive oxygen species (ROS)/reactive nitrogen species (RNS) in redox signaling, but much remains to be uncovered. Molecular imaging tools to study these processes must not only be selective to enable identification of the ROS/RNS involved but also reversible to distinguish signaling processes from oxidative stress. Fluorescent sensors offer the potential to image such processes with high spatial and temporal resolution. RECENT ADVANCES A broad array of strategies has been developed that enable the selective sensing of ROS/RNS. More recently, attention has turned to the design of reversible small-molecule sensors of global redox state, with a further set of probes capable of reversible sensing of individual ROS/RNS. CRITICAL ISSUES In this study, we discuss the key challenges in achieving simultaneous detection of reversible oxidative bursts with unambiguous determination of a particular ROS/RNS. FUTURE DIRECTIONS We have highlighted key design features of small-molecule probes that show promise in enabling the study of redox signaling, identifying essential parameters that must be assessed for any new probe. Antioxid. Redox Signal. 24, 713-730.
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Affiliation(s)
- Jacek L Kolanowski
- School of Chemistry, The University of Sydney , Sydney, New South Wales, Australia
| | - Amandeep Kaur
- School of Chemistry, The University of Sydney , Sydney, New South Wales, Australia
| | - Elizabeth J New
- School of Chemistry, The University of Sydney , Sydney, New South Wales, Australia
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41
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Jeyanthi D, Iniya M, Krishnaveni K, Chellappa D. Charge transfer based "turn-on" chemosensor for Zn²⁺ ion recognition using new triaryl pyrazoline derivative. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 159:231-237. [PMID: 26854406 DOI: 10.1016/j.saa.2016.01.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2015] [Revised: 01/12/2016] [Accepted: 01/19/2016] [Indexed: 06/05/2023]
Abstract
The fluoroionophore PY serves as a selective and fluorimetric chemosensor for Zn(2+) based on charge transfer (CT). A mechanism for the binding mode was proposed based on fluorescence changes, NMR experiments and theoretical calculations. The 1:1 stoichiometry between Zn(2+) and the sensor was deduced from Job's plot. The addition of EDTA quenches the fluorescence of PY.Zn(2+) complex offers PY as a reversible chemosensor.
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Affiliation(s)
- Dharmaraj Jeyanthi
- School of Chemistry, Madurai Kamaraj University, Madurai, TamilNadu 625021, India
| | - Murugan Iniya
- School of Chemistry, Madurai Kamaraj University, Madurai, TamilNadu 625021, India
| | | | - Duraisamy Chellappa
- School of Chemistry, Madurai Kamaraj University, Madurai, TamilNadu 625021, India.
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42
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Kirkham S, Hamley IW, Smith AM, Gouveia RM, Connon CJ, Reza M, Ruokolainen J. A self-assembling fluorescent dipeptide conjugate for cell labelling. Colloids Surf B Biointerfaces 2016; 137:104-8. [DOI: 10.1016/j.colsurfb.2015.04.062] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Revised: 04/27/2015] [Accepted: 04/28/2015] [Indexed: 10/23/2022]
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43
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MASUYA-SUZUKI A, IKI N. Crystal Structure of the <i>cis</i>-Bis(3-<i>tert</i>-butyl-<i>o</i>-diiminobenzosemiquinonato)platinum(II) Complex. X-RAY STRUCTURE ANALYSIS ONLINE 2016. [DOI: 10.2116/xraystruct.32.41] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
| | - Nobuhiko IKI
- Graduate School of Environmental Studies, Tohoku University
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44
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Lee LCC, Lau JCW, Liu HW, Lo KKW. Conferring Phosphorogenic Properties on Iridium(III)-Based Bioorthogonal Probes through Modification with a Nitrone Unit. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201509396] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Lawrence Cho-Cheung Lee
- Department of Biology and Chemistry; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong P.R. China
| | - Jonathan Chun-Wai Lau
- Department of Biology and Chemistry; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong P.R. China
| | - Hua-Wei Liu
- Department of Biology and Chemistry; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong P.R. China
| | - Kenneth Kam-Wing Lo
- Department of Biology and Chemistry; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong P.R. China
- State Key Laboratory of Millimeter Waves; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong (P.R. China
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45
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Lee LCC, Lau JCW, Liu HW, Lo KKW. Conferring Phosphorogenic Properties on Iridium(III)-Based Bioorthogonal Probes through Modification with a Nitrone Unit. Angew Chem Int Ed Engl 2015; 55:1046-9. [DOI: 10.1002/anie.201509396] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Indexed: 12/25/2022]
Affiliation(s)
- Lawrence Cho-Cheung Lee
- Department of Biology and Chemistry; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong P.R. China
| | - Jonathan Chun-Wai Lau
- Department of Biology and Chemistry; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong P.R. China
| | - Hua-Wei Liu
- Department of Biology and Chemistry; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong P.R. China
| | - Kenneth Kam-Wing Lo
- Department of Biology and Chemistry; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong P.R. China
- State Key Laboratory of Millimeter Waves; City University of Hong Kong; Tat Chee Avenue, Kowloon Hong Kong (P.R. China
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46
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Hu JJ, Wong NK, Ye S, Chen X, Lu MY, Zhao AQ, Guo Y, Ma ACH, Leung AYH, Shen J, Yang D. Fluorescent Probe HKSOX-1 for Imaging and Detection of Endogenous Superoxide in Live Cells and In Vivo. J Am Chem Soc 2015; 137:6837-43. [PMID: 25988218 DOI: 10.1021/jacs.5b01881] [Citation(s) in RCA: 185] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Superoxide anion radical (O2(•-)) is undoubtedly the most important primary reactive oxygen species (ROS) found in cells, whose formation and fate are intertwined with diverse physiological and pathological processes. Here we report a highly sensitive and selective O2(•-) detecting strategy involving O2(•-) cleavage of an aryl trifluoromethanesulfonate group to yield a free phenol. We have synthesized three new O2(•-) fluorescent probes (HKSOX-1, HKSOX-1r for cellular retention, and HKSOX-1m for mitochondria-targeting) which exhibit excellent selectivity and sensitivity toward O2(•-) over a broad range of pH, strong oxidants, and abundant reductants found in cells. In confocal imaging, flow cytometry, and 96-well microplate assay, HKSOX-1r has been robustly applied to detect O2(•-) in multiple cellular models, such as inflammation and mitochondrial stress. Additionally, our probes can be efficiently applied to visualize O2(•-) in intact live zebrafish embryos. These probes open up exciting opportunities for unmasking the roles of O2(•-) in health and disease.
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Affiliation(s)
- Jun Jacob Hu
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Nai-Kei Wong
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Sen Ye
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Xingmiao Chen
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Ming-Yang Lu
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Angela Qian Zhao
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Yuhan Guo
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Alvin Chun-Hang Ma
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Anskar Yu-Hung Leung
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Jiangang Shen
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
| | - Dan Yang
- †Morningside Laboratory for Chemical Biology and Department of Chemistry, ‡School of Chinese Medicine, and §Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
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Yan Y, Yu H, Zhang Y, Zhang K, Zhu H, Yu T, Jiang H, Wang S. Molecularly engineered quantum dots for visualization of hydrogen sulfide. ACS APPLIED MATERIALS & INTERFACES 2015; 7:3547-3553. [PMID: 25615270 DOI: 10.1021/am507307g] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Among various fluorescence nanomaterials, the II-VI semiconductor nanocrystals (usually called quantum dots, QDs) should be very promising in sensing application because of their high quantum yields, capability for surface property manipulation, and unlimited possible chemical reactions. Herein, we present a fluorescence probe for hydrogen sulfide, which was prepared by first encapsulating inorganic cadmium telluride (CdTe) QDs in silica nanospheres, and subsequently engineering the silica surface with functional molecules azidocoumarin-4-acetic acid reactive to hydrogen sulfide. The nanohybrid probe exhibited two fluorescence bands centered at 452 and 657 nm, respectively. The red fluorescence at 657 nm of the nanohybrid probe is stable against H2S, while the blue fluorescence is specifically sensitive to H2S. The probe showed a distinct fluorescence color evolution from light magenta to blue upon exposure to different amounts of H2S, and a detection limit of 7.0 nM was estimated in aqueous solution. We further applied the nanohybrid probe for visual detection of gaseous H2S with a low concentration of 0.5 ppm using glass indicating spots sensors, suggesting its potential application for gaseous H2S sensing. Such an efficient on-site visual determination of gaseous hydrogen sulfide (H2S) is highly demanded in on-site environmental monitoring and protection.
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Affiliation(s)
- Yehan Yan
- Institute of Intelligent Machines, Chinese Academy of Sciences , Hefei, Anhui 230031, China
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48
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Yan Y, Sun J, Zhang K, Zhu H, Yu H, Sun M, Huang D, Wang S. Visualizing Gaseous Nitrogen Dioxide by Ratiometric Fluorescence of Carbon Nanodots–Quantum Dots Hybrid. Anal Chem 2015; 87:2087-93. [DOI: 10.1021/ac503474x] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yehan Yan
- Institute
of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China
- Department
of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Jian Sun
- Institute
of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China
- Department
of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Kui Zhang
- Institute
of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Houjuan Zhu
- Institute
of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China
- Department
of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Huan Yu
- Institute
of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Mingtai Sun
- Institute
of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Dejian Huang
- Food Science and
Technology Programme, Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Republic of Singapore
| | - Suhua Wang
- Institute
of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China
- Department
of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
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49
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Huang CB, Huang J, Xu L. A highly selective fluorescent probe for fast detection of nitric oxide in aqueous solution. RSC Adv 2015. [DOI: 10.1039/c4ra08337g] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A naphthalimide-based fluorescent probe NPA exhibits fast detection rate for NO was synthesized.
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Affiliation(s)
- Chang-Bo Huang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- Department of Chemistry
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Junhai Huang
- Zhangjiang Institute
- China State Institute of Pharmaceutical Industry
- Shanghai 201203
- P. R. China
| | - Lin Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- Department of Chemistry
- East China Normal University
- Shanghai 200062
- P. R. China
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50
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Choi AWT, Yim VMW, Liu HW, Lo KKW. Rhenium(I) Polypyridine Diamine Complexes as Intracellular Phosphorogenic Sensors: Synthesis, Characterization, Emissive Behavior, Biological Properties, and Nitric Oxide Sensing. Chemistry 2014; 20:9633-42. [DOI: 10.1002/chem.201402502] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Indexed: 11/09/2022]
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