1
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Parisi C, Pastore A, Stornaiuolo M, Sortino S. A fluorescent probe with an ultra-rapid response to nitric oxide. J Mater Chem B 2024; 12:5076-5084. [PMID: 38567488 DOI: 10.1039/d4tb00064a] [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: 04/04/2024]
Abstract
Nitric oxide (NO) is a diatomic inorganic free radical ubiquitous in mammalian tissues and cells that plays a multifaceted role in a variety of physiological and pathophysiological processes. The strict dependence of the biological effects of NO on its concentration makes its real-time monitoring crucial. In view of the reactivity of NO with multiple bio-targets, the development of NO sensors that associate a fast response rate with selectivity and sensitivity is very challenging. Herein we report a fluorescent NO probe based on a BODIPY fluorogenic unit covalently linked to a trimethoxy aniline derivative through a flexible spacer. NO leads to effective nitrosation of the highly electron-rich amino active site of the probe through the secondary oxide N2O3, resulting in an increase of BODIPY fluorescence quantum yield from Φf = 0.06 to Φf = 0.55, accompanied by significant changes in the relative amplitude of the fluorescence lifetimes. In situ generation of NO, achieved by a tailored light-activatable NO releaser, allows the real-time detection of NO as a function of its concentration and permits demonstrating that the probe exhibits a very fast response time, being ≤0.1 s. This remarkable data combines with the high sensitivity of the probe to NO (LOD = 35 nM), responsiveness also to ONOO-, the other important secondary oxide of NO, independence from the fluorescence response within a wide pH range, good selectivity towards different analytes and small interference by typical physiological concentrations of glutathione. Validation of this probe in melanoma cell lines is also reported.
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Affiliation(s)
- Cristina Parisi
- PhotoChemLab, Department of Drug and Health Sciences, University of Catania, I-95125, Italy.
| | - Arianna Pastore
- Department of Pharmacy, University of Napoli Federico II, Via Domenico Montesano 49, 80131, Napoli, Italy
| | - Mariano Stornaiuolo
- Department of Pharmacy, University of Napoli Federico II, Via Domenico Montesano 49, 80131, Napoli, Italy
| | - Salvatore Sortino
- PhotoChemLab, Department of Drug and Health Sciences, University of Catania, I-95125, Italy.
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2
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Priya S, Berchmans S. Ferrocene probe-assisted fluorescence quenching of PEI-carbon dots for NO detection and the logic gates based sensing of NO enabled by trimodal detection. Sci Rep 2024; 14:10402. [PMID: 38710731 DOI: 10.1038/s41598-024-61117-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 05/02/2024] [Indexed: 05/08/2024] Open
Abstract
Our research demonstrates the effectiveness of fluorescence quenching between polyethyleneimine functionalised carbon dots (PEI-CDs) and cyclodextrin encapsulated ferrocene for fluorogenic detection of nitric oxide (NO). We confirmed that ferrocene can be used as a NO probe by observing its ability to quench the fluorescence emitted from PEI-CDs, with NO concentrations ranging from 1 × 10-6 M to 5 × 10-4 M. The photoluminescence intensity (PL) of PEI-CDs decreased linearly, with a detection limit of 500 nM. Previous studies have shown that ferrocene is a selective probe for NO detection in biological systems by electrochemical and colorimetric methods. The addition of fluorogenic NO detection using ferrocene as a probe enables the development of a three-way sensor probe for NO. Furthermore, the triple mode NO detection (electrochemical, colorimetric, and fluorogenic) with ferrocene aids in processing sensing data in a controlled manner similar to Boolean logic operations. This work presents key findings on the mechanism of fluorescence quenching between ferrocene hyponitrite intermediate and PEI-CDs, the potential of using ferrocene for triple channel NO detection as a single molecular entity, and the application of logic gates for NO sensing.
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Affiliation(s)
- S Priya
- NSS College, Nemmara, Palakkad, India.
| | - Sheela Berchmans
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute, Karaikudi, Tamilnadu, 630006, India
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3
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Zhou H, Jin Y, Wang S, Wang Y, Bu M. A Near-Infrared Fluorescent Probe for the Rapid Detection of Nitroxyl in Living Cells. J Fluoresc 2024:10.1007/s10895-024-03637-5. [PMID: 38430415 DOI: 10.1007/s10895-024-03637-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 02/26/2024] [Indexed: 03/03/2024]
Abstract
Nitroxyl (HNO) plays an important role in various physiological activities. It has the potential to be used as a treatment for certain diseases such as alcohol poisoning, acute hypertension, and atherosclerosis. However, traditional methods for detecting HNO are challenging due to its rapid polymerization and elimination into N2O. Therefore, it is crucial to establish direct and effective HNO detection methods to comprehend these physiological processes better. In this study, a new near-infrared fluorescent probe called HXM-P based on the intramolecular charge transfer (ICT) mechanism was designed and synthesized. This probe employs 2-((6-hydroxy-2,3dihydro-1 H-xanthen-4-yl)methylene)malononitrile as a fluorophore and 2-(diphenylphosphine) benzoate as a recognition group. The results showed that probe HXM-P can detect HNO with high sensitivity (1.07 × 10- 8 M). A good linear correlation was observed between the fluorescence intensities at 640 nm and the concentrations of HNO in the range of 0-80 µM (R2 = 0.997). Moreover, probe HXM-P exhibited a rapid response rate (within 15 s) toward HNO, and the fluorescent intensity reached a plateau within 5 min, making it easier to track the highly reactive and short-lived HNO in living systems. Additionally, HXM-P was successfully employed for imaging HNO in HepG2 cells.
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Affiliation(s)
- Hang Zhou
- Department of Applied Chemistry, Xi'an University of Technology, Xi'an, Shaanxi, 710054, China.
| | - Yu Jin
- Department of Applied Chemistry, Xi'an University of Technology, Xi'an, Shaanxi, 710054, China
| | - Sheng Wang
- Department of Applied Chemistry, Xi'an University of Technology, Xi'an, Shaanxi, 710054, China
| | - Yixiang Wang
- Department of Applied Chemistry, Xi'an University of Technology, Xi'an, Shaanxi, 710054, China
| | - Ming Bu
- College of Pharmacy, Qiqihar Medical University, Qiqihar, 161006, China.
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4
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Li H, Wang J, Kim H, Peng X, Yoon J. Activatable Near-Infrared Versatile Fluorescent and Chemiluminescent Dyes Based on the Dicyanomethylene-4H-pyran Scaffold: From Design to Imaging and Theranostics. Angew Chem Int Ed Engl 2024; 63:e202311764. [PMID: 37855139 DOI: 10.1002/anie.202311764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 10/18/2023] [Accepted: 10/18/2023] [Indexed: 10/20/2023]
Abstract
Activatable fluorescent and chemiluminescent dyes with near-infrared emission have indispensable roles in the fields of bioimaging, molecular prodrugs, and phototheranostic agents. As one of the most popular fluorophore scaffolds, the dicyanomethylene-4H-pyran scaffold has been applied to fabricate a large number of versatile activatable optical dyes for analytes detection and diseases diagnosis and treatment by virtue of its high photostability, large Stokes shift, considerable two-photon absorption cross-section, and structural modifiability. This review discusses the molecular design strategies, recognition mechanisms, and both in vitro and in vivo bio-applications (especially for diagnosis and therapy of tumors) of activatable dicyanomethylene-4H-pyran dyes. The final section describes the current shortcomings and future development prospects of this topic.
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Affiliation(s)
- Haidong Li
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
- School of Bioengineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
| | - Jingyun Wang
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
- School of Bioengineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
| | - Heejeong Kim
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea
| | - Xiaojun Peng
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
| | - Juyoung Yoon
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea
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5
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Loron G, Pansiot J, Olivier P, Charriaut-Marlangue C, Baud O. Inhaled Nitric Oxide Promotes Angiogenesis in the Rodent Developing Brain. Int J Mol Sci 2023; 24:ijms24065871. [PMID: 36982947 PMCID: PMC10054632 DOI: 10.3390/ijms24065871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023] Open
Abstract
Inhaled nitric oxide (iNO) is a therapy used in neonates with pulmonary hypertension. Some evidence of its neuroprotective properties has been reported in both mature and immature brains subjected to injury. NO is a key mediator of the VEGF pathway, and angiogenesis may be involved in the reduced vulnerability to injury of white matter and the cortex conferred by iNO. Here, we report the effect of iNO on angiogenesis in the developing brain and its potential effectors. We found that iNO promotes angiogenesis in the developing white matter and cortex during a critical window in P14 rat pups. This shift in the developmental program of brain angiogenesis was not related to a regulation of NO synthases by exogenous NO exposure, nor the VEGF pathway or other angiogenic factors. The effects of iNO on brain angiogenesis were found to be mimicked by circulating nitrate/nitrite, suggesting that these carriers may play a role in transporting NO to the brain. Finally, our data show that the soluble guanylate cyclase/cGMP signaling pathway is likely to be involved in the pro-angiogenetic effect of iNO through thrombospondin-1, a glycoprotein of the extracellular matrix, inhibiting soluble guanylate cyclase through CD42 and CD36. In conclusion, this study provides new insights into the biological basis of the effect of iNO in the developing brain.
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Affiliation(s)
- Gauthier Loron
- Service de Médecine Néonatale et de Réanimation Pédiatrique, Université de Reims Champagne-Ardenne, CReSTIC, CHU Reims, 51100 Reims, France
| | - Julien Pansiot
- Inserm, NeuroDiderot, Faculty of Medicine, Université Paris Cité, 75019 Paris, France
| | - Paul Olivier
- Inserm, NeuroDiderot, Faculty of Medicine, Université Paris Cité, 75019 Paris, France
| | | | - Olivier Baud
- Inserm, NeuroDiderot, Faculty of Medicine, Université Paris Cité, 75019 Paris, France
- Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, 1205 Geneva, Switzerland
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6
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Li L, Lin Z, Lu X, Chen C, Xie A, Tang Y, Zhang Z. Photo-controlled and photo-calibrated nanoparticle enabled nitric oxide release for anti-bacterial and anti-biofilm applications. RSC Adv 2022; 12:33358-33364. [PMID: 36506481 PMCID: PMC9686666 DOI: 10.1039/d2ra05352g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 11/11/2022] [Indexed: 11/25/2022] Open
Abstract
After numerous efforts to elucidate the biological role of nitric oxide (NO), NO treatments have become a hotspot at the forefront of medicine. NO-releasing substances are constantly needed, while the direct use of NO gas is unattainable in bio-systems. An ideal NO donor should possess controllable and visible NO-release capability. The reported NO donating nanoparticles, prepared via encapsulating a hydrophobic NO-releasing compound into DSPE-PEG2000, meet the criteria mentioned previously. The localization and flux of NO released from these nanoparticles could be manipulated by UV or blue light. Meanwhile, NOD-NPs emit a dose-dependent fluorescence intensity to calibrate the generation of NO. While the good biocompatibility of NOD-NPs has been validated, the NO from our nanoparticles demonstrates efficient anti-bacterial and anti-biofilm effects toward Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). Therefore, the NOD-NPs developed in this work have potential application in evaluating the regulation of microbes by NO.
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Affiliation(s)
- Li Li
- Guangxi Scientific Research Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine Nanning 530200 China
| | - Zhenmei Lin
- Guangxi Scientific Research Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine Nanning 530200 China
| | - Xicun Lu
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology Shanghai 200237 China
| | - Chen Chen
- Guangxi Scientific Research Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine Nanning 530200 China
| | - Anqi Xie
- Guangxi Scientific Research Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine Nanning 530200 China
| | - Yaoping Tang
- Guangxi Scientific Research Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine Nanning 530200 China
| | - Ziqian Zhang
- Guangxi Scientific Research Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine Nanning 530200 China
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7
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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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8
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Nguyen VN, Ha J, Cho M, Li H, Swamy K, Yoon J. Recent developments of BODIPY-based colorimetric and fluorescent probes for the detection of reactive oxygen/nitrogen species and cancer diagnosis. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213936] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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9
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Detection of Vascular Reactive Oxygen Species in Experimental Atherosclerosis by High-Resolution Near-Infrared Fluorescence Imaging Using VCAM-1-Targeted Liposomes Entrapping a Fluorogenic Redox-Sensitive Probe. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6685612. [PMID: 33763173 PMCID: PMC7963910 DOI: 10.1155/2021/6685612] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/28/2021] [Accepted: 02/05/2021] [Indexed: 01/06/2023]
Abstract
Excessive production of reactive oxygen species (ROS) and the ensuing oxidative stress are instrumental in all phases of atherosclerosis. Despite the major achievements in understanding the regulatory pathways and molecular sources of ROS in the vasculature, the specific detection and quantification of ROS in experimental models of disease remain a challenge. We aimed to develop a reliable and straightforward imaging procedure to interrogate the ROS overproduction in the vasculature and in various organs/tissues in atherosclerosis. To this purpose, the cell-impermeant ROS Brite™ 700 (RB700) probe that produces bright near-infrared fluorescence upon ROS oxidation was encapsulated into VCAM-1-targeted, sterically stabilized liposomes (VLp). Cultured human endothelial cells (EC) and macrophages (Mac) were used for in vitro experiments. C57BL6/J and ApoE-/- mice were randomized to receive normal or high-fat, cholesterol-rich diet for 10 or 32 weeks. The mice received a retroorbital injection with fluorescent tagged VLp incorporating RB700 (VLp-RB700). After two hours, the specific signals of the oxidized RB700 and 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-(7-nitro-2-1,3-benzoxadiazol-4-yl) (NBD-DSPE), inserted into liposome bilayers, were measured ex vivo in the mouse aorta and various organs by high-resolution fluorescent imaging. VLp-RB700 was efficiently taken up by cultured human EC and Mac, as confirmed by fluorescence microscopy and spectrofluorimetry. After systemic administration in atherosclerotic ApoE-/- mice, VLp-RB700 were efficiently concentrated at the sites of aortic lesions, as indicated by the augmented NBD fluorescence. Significant increases in oxidized RB700 signal were detected in the aorta and in the liver and kidney of atherosclerotic ApoE-/- mice. RB700 encapsulation into sterically stabilized VCAM-1-sensitive Lp could be a novel strategy for the qualitative and quantitative detection of ROS in the vasculature and various organs and tissues in animal models of disease. The accurate and precise detection of ROS in experimental models of disease could ease the translation of the results to human pathologies.
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10
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Wang L, Zhang J, An X, Duan H. Recent progress on the organic and metal complex-based fluorescent probes for monitoring nitric oxide in living biological systems. Org Biomol Chem 2020; 18:1522-1549. [PMID: 31995085 DOI: 10.1039/c9ob02561h] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Nitric oxide (NO) is an important gaseous signaling molecule related to various human diseases. To investigate the biological functions of NO, many strategies have been developed for real-time monitoring the NO levels in biological systems. Among these strategies, fluorescent probes are considered to be one of the most efficient and applicable methods owing to their excellent sensitivity and selectivity, high spatiotemporal resolution, noninvasiveness, and experimental convenience. Therefore, great efforts have been paid to the design, synthesis, and fluorescence investigation of novel NO fluorescent probes in the past several years. However, few of them exhibit practical applications owing to the low concentration, short half-life, and rapid diffusion characteristics of NO in biological systems. Rational design of NO fluorescent probes with excellent selectivity and sensitivity, low cytotoxicity, long-lived fluorescent emission, and low background interference is still a challenge for scientists all over the word. To provide spatial-temporal information, this article focuses on the progress made in the organic and metal complex-based NO fluorescent probes during the past five years. The key structural elements and sensing mechanisms of NO fluorescent probes are discussed. Some novel ratiometric, luminescence, and photoacoustic probes with low background interference and deep tissue penetrating ability are mentioned. All these probes have been used for imaging exogenous and endogenous NO in cells and animal models. More importantly, this article also describes the development of multi-functional NO fluorescent probes, such as organelle targeting probes, dual-analysis probes, and probe-drug conjugates, which will inspire the design of various functional fluorescent probes.
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Affiliation(s)
- Lizhen Wang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, Shandong Province, China. and Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong Province, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, Shandong Province, China
| | - Juan Zhang
- Shandong Jinan Qilu Science Patent Office Ltd, Ji'nan 250014, Shandong Province, China
| | - Xue An
- School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan 250300, Shandong Province, China.
| | - Hongdong Duan
- School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan 250300, Shandong Province, China.
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11
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Jiang D, Cheng L, Xue Y, Chen C, Wang C, Yang G, Xu A, Yang Y, Gao Y, Zhang W. Modulation of the lifespan of C. elegans by the controlled release of nitric oxide. Chem Sci 2020; 11:8785-8792. [PMID: 34123131 PMCID: PMC8163451 DOI: 10.1039/c9sc06072c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The frontier of nitric oxide biology has gradually shifted from mechanism elucidation to biomanipulation, e.g. cell-proliferation promotion, cell-apoptosis induction, and lifespan modulation. This warrants biocompatible nitric oxide (NO) donating materials, whose NO release is not only controlled by a bioorthogonal trigger, but also self-calibrated allowing real-time monitoring and hence an onset/offset of the NO release. Additionally, the dose of NO release should be facilely adjusted in a large dynamic range; flux and the dose are critical to the biological outcome of NO treatment. Via self-assembly of a PEGylated small-molecule NO donor, we developed novel NO-donating nanoparticles (PEG-NORM), which meet all the aforementioned criteria. We showcased that a low flux of NO induced cell proliferation, while a high flux induced cell oxidative stress and, ultimately, death. Notably, PEG-NORM was capable of efficiently modulating the lifespan of C. elegans. The average lifespan of C. elegans could be fine-tuned to be as short as 15.87 ± 0.29 days with a high dose of NO, or as long as 21.13 ± 0.41 days with a low dose of NO, compared to an average life-span of 18.87 ± 0.46 days. Thus, PEG-NORM has broad potential in cell manipulation and life-span modulation and could drive the advancement of NO biology and medicine.
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Affiliation(s)
- Dawei Jiang
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering Shanghai China
| | - Lei Cheng
- School of Environmental Science and Optoelectronic Technology, University of Science and Technology of China Hefei Anhui 230026 China
| | - Yudong Xue
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering Shanghai China
| | - Chao Chen
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology 130 Meilong Road Shanghai 200237 China
| | - Chaochao Wang
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering Shanghai China
| | - Guoliang Yang
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering Shanghai China
| | - An Xu
- School of Environmental Science and Optoelectronic Technology, University of Science and Technology of China Hefei Anhui 230026 China
| | - Youjun Yang
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology 130 Meilong Road Shanghai 200237 China
| | - Yun Gao
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering Shanghai China
| | - Weian Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering Shanghai China
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12
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Abstract
Innate immune cells destroy pathogens within a transient organelle called the phagosome. When pathogen-associated molecular patterns (PAMPs) displayed on the pathogen are recognized by Toll-like receptors (TLRs) on the host cell, it activates inducible nitric oxide synthase (NOS2) which instantly fills the phagosome with nitric oxide (NO) to clear the pathogen. Selected pathogens avoid activating NOS2 by concealing key PAMPs from their cognate TLRs. Thus, the ability to map NOS2 activity triggered by PAMPs can reveal critical mechanisms underlying pathogen susceptibility. Here, we describe DNA-based probes that ratiometrically report phagosomal and endosomal NO, and can be molecularly programmed to display precise stoichiometries of any desired PAMP. By mapping phagosomal NO produced in microglia of live zebrafish brains, we found that single-stranded RNA of bacterial origin acts as a PAMP and activates NOS2 by engaging TLR-7. This technology can be applied to study PAMP-TLR interactions in diverse organisms.
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13
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Chen Y. Recent developments of fluorescent probes for detection and bioimaging of nitric oxide. Nitric Oxide 2020; 98:1-19. [DOI: 10.1016/j.niox.2020.02.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 02/13/2020] [Accepted: 02/17/2020] [Indexed: 12/11/2022]
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14
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Leipziger J, Praetorius H. Renal Autocrine and Paracrine Signaling: A Story of Self-protection. Physiol Rev 2020; 100:1229-1289. [PMID: 31999508 DOI: 10.1152/physrev.00014.2019] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Autocrine and paracrine signaling in the kidney adds an extra level of diversity and complexity to renal physiology. The extensive scientific production on the topic precludes easy understanding of the fundamental purpose of the vast number of molecules and systems that influence the renal function. This systematic review provides the broader pen strokes for a collected image of renal paracrine signaling. First, we recapitulate the essence of each paracrine system one by one. Thereafter the single components are merged into an overarching physiological concept. The presented survey shows that despite the diversity in the web of paracrine factors, the collected effect on renal function may not be complicated after all. In essence, paracrine activation provides an intelligent system that perceives minor perturbations and reacts with a coordinated and integrated tissue response that relieves the work load from the renal epithelia and favors diuresis and natriuresis. We suggest that the overall function of paracrine signaling is reno-protection and argue that renal paracrine signaling and self-regulation are two sides of the same coin. Thus local paracrine signaling is an intrinsic function of the kidney, and the overall renal effect of changes in blood pressure, volume load, and systemic hormones will always be tinted by its paracrine status.
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Affiliation(s)
- Jens Leipziger
- Department of Biomedicine, Aarhus University, Aarhus, Denmark; and Aarhus Institute of Advanced Studies (AIAS), Aarhus University, Aarhus, Denmark
| | - Helle Praetorius
- Department of Biomedicine, Aarhus University, Aarhus, Denmark; and Aarhus Institute of Advanced Studies (AIAS), Aarhus University, Aarhus, Denmark
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15
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Escamilla PR, Shen Y, Zhang Q, Hernandez DS, Howard CJ, Qian X, Filonov DY, Kinev AV, Shear JB, Anslyn EV, Yang Y. 2-Amino-3'-dialkylaminobiphenyl-based fluorescent intracellular probes for nitric oxide surrogate N 2O 3. Chem Sci 2020; 11:1394-1403. [PMID: 34123264 PMCID: PMC8148321 DOI: 10.1039/c9sc04304g] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 12/07/2019] [Indexed: 12/12/2022] Open
Abstract
Fluorescent probes for nitric oxide (NO), or more frequently for its oxidized surrogate dinitrogen trioxide (N2O3), have enabled scientists to study the contributions of this signaling molecule to many physiological processes. Seeking to improve upon limitations of other probes, we have developed a family of fluorescent probes based on a 2-amino-3'-dialkylaminobiphenyl core. This core condenses with N2O3 to form benzo[c]cinnoline structures, incorporating the analyte into the newly formed fluorophore, which results in product fluorescence with virtually no background contribution from the initial probe. We varied the substituents in the core in order to optimize both the reactivity of the probes with N2O3 and their cinnoline products' fluorescence wavelengths and brightness. The top candidates were then applied to cultured cells to verify that they could respond to NO within cellular milieus, and the top performer, NO530, was compared with a "gold standard" commercial probe, DAF-FM, in a macrophage-derived cell line, RAW 264.7, stimulated to produce NO. NO530 demonstrated similar or better sensitivity and higher selectivity for NO than DAF, making it an attractive potential alternative for NO tracking in various applications.
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Affiliation(s)
| | - Yanming Shen
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology Meilong Road 130 Shanghai 200237 China
| | - Quanjuan Zhang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology Meilong Road 130 Shanghai 200237 China
| | - Derek S Hernandez
- Department of Chemistry, University of Texas at Austin Austin Texas USA
| | - Cecil J Howard
- Department of Chemistry, University of Texas at Austin Austin Texas USA
| | - Xuhong Qian
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology Meilong Road 130 Shanghai 200237 China
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology Meilong Road 130 Shanghai 200237 China
| | | | | | - Jason B Shear
- Department of Chemistry, University of Texas at Austin Austin Texas USA
| | - Eric V Anslyn
- Department of Chemistry, University of Texas at Austin Austin Texas USA
| | - Youjun Yang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology Meilong Road 130 Shanghai 200237 China
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology Meilong Road 130 Shanghai 200237 China
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16
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Wang G, Wang Y, Wang C, Huang C, Jia N. A new long-wavelength fluorescent probe for tracking peroxynitrite in live cells and inflammatory sites of zebrafish. Analyst 2020; 145:828-835. [DOI: 10.1039/c9an01934k] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Design of a long-wavelength fluorescent probe for tracking peroxynitrite in live cells and inflammatory sites of zebrafish.
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Affiliation(s)
- Guanyang Wang
- The Education Ministry Key Laboratory of Resource Chemistry
- Shanghai Key Laboratory of Rare Earth Functional Materials
- and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors
- Department of Chemistry
- Shanghai Normal University
| | - Yang Wang
- The Education Ministry Key Laboratory of Resource Chemistry
- Shanghai Key Laboratory of Rare Earth Functional Materials
- and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors
- Department of Chemistry
- Shanghai Normal University
| | - Chengcheng Wang
- The Education Ministry Key Laboratory of Resource Chemistry
- Shanghai Key Laboratory of Rare Earth Functional Materials
- and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors
- Department of Chemistry
- Shanghai Normal University
| | - Chusen Huang
- The Education Ministry Key Laboratory of Resource Chemistry
- Shanghai Key Laboratory of Rare Earth Functional Materials
- and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors
- Department of Chemistry
- Shanghai Normal University
| | - Nengqin Jia
- The Education Ministry Key Laboratory of Resource Chemistry
- Shanghai Key Laboratory of Rare Earth Functional Materials
- and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors
- Department of Chemistry
- Shanghai Normal University
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17
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Bagheri S, TermehYousefi A, Mehrmashhadi J. Carbon dot-based fluorometric optical sensors: an overview. REV INORG CHEM 2019. [DOI: 10.1515/revic-2019-0002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
AbstractFluorescent carbon dots (CDs) are a new class of carbon nanomaterials and have demonstrated excellent optical properties, good biocompatibility, great aqueous solubility, low cost, and simple synthesis. Since their discovery, various synthesis methods using different precursors were developed, which were mainly classified as top-down and bottom-up approaches. CDs have presented many applications, and this review article mainly focuses on the development of CD-based fluorescent sensors. The sensing mechanisms, sensor design, and sensing properties to various targets are summarized. Broad ranges of detection, including temperature, pH, DNA, antibiotics, cations, cancer cells, and antibiotics, have been discussed. In addition, the challenges and future directions for CDs as sensing materials are also presented.
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Affiliation(s)
- Samira Bagheri
- Department of Mechanical Engineering, Tufts University, Medford, MA 02155, USA
| | - Amin TermehYousefi
- Department of Mechanical Engineering, Tufts University, Medford, MA 02155, USA
| | - Javad Mehrmashhadi
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
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18
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Murfin L, Weber M, Park SJ, Kim WT, Lopez-Alled CM, McMullin CL, Pradaux-Caggiano F, Lyall CL, Kociok-Köhn G, Wenk J, Bull SD, Yoon J, Kim HM, James TD, Lewis SE. Azulene-Derived Fluorescent Probe for Bioimaging: Detection of Reactive Oxygen and Nitrogen Species by Two-Photon Microscopy. J Am Chem Soc 2019; 141:19389-19396. [PMID: 31773957 PMCID: PMC6909233 DOI: 10.1021/jacs.9b09813] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Indexed: 12/28/2022]
Abstract
Two-photon fluorescence microscopy has become an indispensable technique for cellular imaging. Whereas most two-photon fluorescent probes rely on well-known fluorophores, here we report a new fluorophore for bioimaging, namely azulene. A chemodosimeter, comprising a boronate ester receptor motif conjugated to an appropriately substituted azulene, is shown to be an effective two-photon fluorescent probe for reactive oxygen species, showing good cell penetration, high selectivity for peroxynitrite, no cytotoxicity, and excellent photostability.
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Affiliation(s)
- Lloyd
C. Murfin
- Department
of Chemistry, University of Bath, Bath BA2 7AY, United Kingdom
| | - Maria Weber
- Department
of Chemistry, University of Bath, Bath BA2 7AY, United Kingdom
- Center
for Sustainable Circular Technologies, University
of Bath, Bath BA2 7AY, United Kingdom
| | - Sang Jun Park
- Department
of Energy Systems Research, Ajou University, Suwon 443-749, South Korea
| | - Won Tae Kim
- Department
of Energy Systems Research, Ajou University, Suwon 443-749, South Korea
| | - Carlos M. Lopez-Alled
- Department
of Chemistry, University of Bath, Bath BA2 7AY, United Kingdom
- Center
for Sustainable Circular Technologies, University
of Bath, Bath BA2 7AY, United Kingdom
| | - Claire L. McMullin
- Department
of Chemistry, University of Bath, Bath BA2 7AY, United Kingdom
| | | | - Catherine L. Lyall
- Materials
and Chemical Characterization (MC), University of Bath, Bath BA2 7AY, United Kingdom
| | - Gabriele Kociok-Köhn
- Materials
and Chemical Characterization (MC), University of Bath, Bath BA2 7AY, United Kingdom
| | - Jannis Wenk
- Center
for Sustainable Circular Technologies, University
of Bath, Bath BA2 7AY, United Kingdom
- Department
of Chemical Engineering, University of Bath, Bath BA2 7AY, United Kingdom
| | - Steven D. Bull
- Department
of Chemistry, University of Bath, Bath BA2 7AY, United Kingdom
- Center
for Sustainable Circular Technologies, University
of Bath, Bath BA2 7AY, United Kingdom
| | - Juyoung Yoon
- Department
of Chemistry and Nano Science, Ewha Woman’s
University, Seoul 120-750, South Korea
| | - Hwan Myung Kim
- Department
of Energy Systems Research, Ajou University, Suwon 443-749, South Korea
| | - Tony D. James
- Department
of Chemistry, University of Bath, Bath BA2 7AY, United Kingdom
- Center
for Sustainable Circular Technologies, University
of Bath, Bath BA2 7AY, United Kingdom
| | - Simon E. Lewis
- Department
of Chemistry, University of Bath, Bath BA2 7AY, United Kingdom
- Center
for Sustainable Circular Technologies, University
of Bath, Bath BA2 7AY, United Kingdom
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19
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Amilan Jose D, Sharma N, Sakla R, Kaushik R, Gadiyaram S. Fluorescent nanoprobes for the sensing of gasotransmitters hydrogen sulfide (H2S), nitric oxide (NO) and carbon monoxide (CO). Methods 2019; 168:62-75. [DOI: 10.1016/j.ymeth.2019.06.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 05/21/2019] [Accepted: 06/03/2019] [Indexed: 10/26/2022] Open
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20
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Yang M, Fan J, Sun W, Du J, Long S, Shao K, Peng X. A nitroxyl-responsive near-infrared fluorescent chemosensor for visualizing H 2S/NO crosstalk in biological systems. Chem Commun (Camb) 2019; 55:8583-8586. [PMID: 31274135 DOI: 10.1039/c9cc04060a] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
We present a near-infrared (NIR) fluorescent probe, NR-HNO, which was successfully applied to visualizing H2S/NO "crosstalk" by the fluorescence detection of nitroxyl with a fast response time (5 min) and a large Stokes shift (131 nm) in living cells and tissue; it was also used to image nitroxyl in live mice.
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Affiliation(s)
- Mingwang Yang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, P. R. China
| | - Jiangli Fan
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, P. R. China and Shenzhen Research Institute, Dalian University of Technology, Gaoxin South fourth Road, Nanshan District, Shenzhen 518057, P. R. China.
| | - Wen Sun
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, P. R. China and Shenzhen Research Institute, Dalian University of Technology, Gaoxin South fourth Road, Nanshan District, Shenzhen 518057, P. R. China.
| | - Jianjun Du
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, P. R. China and Shenzhen Research Institute, Dalian University of Technology, Gaoxin South fourth Road, Nanshan District, Shenzhen 518057, P. R. China.
| | - Saran Long
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, P. R. China and Shenzhen Research Institute, Dalian University of Technology, Gaoxin South fourth Road, Nanshan District, Shenzhen 518057, P. R. China.
| | - Kun Shao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, P. R. China and Shenzhen Research Institute, Dalian University of Technology, Gaoxin South fourth Road, Nanshan District, Shenzhen 518057, P. R. China.
| | - Xiaojun Peng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, P. R. China and Shenzhen Research Institute, Dalian University of Technology, Gaoxin South fourth Road, Nanshan District, Shenzhen 518057, P. R. China.
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21
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Răducă M, Ene CD, Ionescu S, Florea M, Mădălan AM. Coordination polymers and a dinuclear complex constructed from zinc(II) ions and fluorescein: iodine adsorption and optical properties. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1605442] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Mihai Răducă
- Inorganic Chemistry Department, Faculty of Chemistry, University of Bucharest, Bucharest, Romania
| | - Cristian D. Ene
- Inorganic Chemistry Department, Faculty of Chemistry, University of Bucharest, Bucharest, Romania
- Coordination and Supramolecular Chemistry Laboratory, “Ilie Murgulescu” Institute of Physical Chemistry of the Romanian Academy, Bucharest, Romania
| | - Sorana Ionescu
- Department of Physical Chemistry, Faculty of Chemistry, University of Bucharest, Bucharest, Romania
| | - Mihaela Florea
- Inorganic Chemistry Department, Faculty of Chemistry, University of Bucharest, Bucharest, Romania
- National Institute of Material Physics, Magurele, Romania
| | - Augustin M. Mădălan
- Inorganic Chemistry Department, Faculty of Chemistry, University of Bucharest, Bucharest, Romania
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22
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Ahuja BB, Vigalok A. Fluorescent Calixarene Scaffolds for NO Detection in Protic Media. Angew Chem Int Ed Engl 2019; 58:2774-2778. [DOI: 10.1002/anie.201813589] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 01/16/2019] [Indexed: 01/07/2023]
Affiliation(s)
- Brij Bhushan Ahuja
- School of ChemistryThe Sackler Faculty of Exact SciencesTel Aviv University Tel Aviv 69978 Israel
| | - Arkadi Vigalok
- School of ChemistryThe Sackler Faculty of Exact SciencesTel Aviv University Tel Aviv 69978 Israel
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23
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Development of large Stokes shift, near-infrared fluorescence probe for rapid and bioorthogonal imaging of nitroxyl (HNO) in living cells. Talanta 2019; 193:152-160. [DOI: 10.1016/j.talanta.2018.09.062] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 09/12/2018] [Accepted: 09/18/2018] [Indexed: 11/18/2022]
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24
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Ahuja BB, Vigalok A. Fluorescent Calixarene Scaffolds for NO Detection in Protic Media. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813589] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Brij Bhushan Ahuja
- School of ChemistryThe Sackler Faculty of Exact SciencesTel Aviv University Tel Aviv 69978 Israel
| | - Arkadi Vigalok
- School of ChemistryThe Sackler Faculty of Exact SciencesTel Aviv University Tel Aviv 69978 Israel
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25
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Priyanga S, Khamrang T, Velusamy M, Karthi S, Ashokkumar B, Mayilmurugan R. Coordination geometry-induced optical imaging of l-cysteine in cancer cells using imidazopyridine-based copper(ii) complexes. Dalton Trans 2019; 48:1489-1503. [PMID: 30632585 DOI: 10.1039/c8dt04634d] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Overexpression of cysteine cathepsins proteases has been documented in a wide variety of cancers, and enhances the l-cysteine concentration in tumor cells. We report the synthesis and characterization of copper(ii) complexes [Cu(L1)2(H2O)](SO3CF3)2, 1, L1 = 3-phenyl-1-(pyridin-2-yl)imidazo[1,5-a]pyridine, [Cu(L2)2(SO3CF3)]SO3CF3, 2, L2 = 3-(4-methoxyphenyl)-1-pyridin-2-yl-imidazo[1,5-a]pyridine, [Cu(L3)2(H2O)](SO3CF3)2, 3, L3 = 3-(3,4-dimethoxy-phenyl)-1-pyridin-2-yl-imidazo[1,5-a]pyridine and [Cu(L4)2(H2O)](SO3CF3)2, 4, L4 = dimethyl-[4-(1-pyridin-2-yl-imidazo[1,5-a]pyridin-3-yl)phenyl]amine as 'turn-on' optical imaging probes for l-cysteine in cancer cells. The molecular structure of complexes adopted distorted trigonal pyramidal geometry (τ, 0.68-0.87). Cu-Npy bonds (1.964-1.989 Å) were shorter than Cu-Nimi bonds (2.024-2.074 Å) for all complexes. Geometrical distortion was strongly revealed in EPR spectra, showing g‖ (2.26-2.28) and A‖ values (139-163 × 10-4 cm-1) at 70 K. The d-d transitions appeared around 680-741 and 882-932 nm in HEPES, which supported the existence of five-coordinate geometry in solution. The Cu(ii)/Cu(i) redox potential of 1 (0.221 V vs. NHE) was almost identical to that of 2 and 3 but lower than that of 4 (0.525 V vs. NHE) in HEPES buffer. The complexes were almost non-emissive in nature, but became emissive by the interaction of l-cysteine in 100% HEPES at pH 7.34 via reduction of Cu(ii) to Cu(i). Among the probes, probe 2 showed selective and efficient turn-on fluorescence behavior towards l-cysteine over natural amino acids with a limit of detection of 9.9 × 10-8 M and binding constant of 2.3 × 105 M-1. The selectivity of 2 may have originated from a nearly perfect trigonal plane adopted around a copper(ii) center (∼120.70°), which required minimum structural change during the reduction of Cu(ii) to Cu(i) while imaging Cys. The other complexes, with their distorted trigonal planes, required more reorganizational energy, which resulted in poor selectivity. Probe 2 was employed for optical imaging of l-cysteine in HeLa cells and macrophages. It exhibited brighter fluorescent images by visualizing Cys at pH 7.34 and 37 °C. It showed relatively less toxicity for these cell lines as ascertained by the MTT assay.
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Affiliation(s)
- Selvarasu Priyanga
- Bioinorganic Chemistry Laboratory/Physical Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai, 625021, India.
| | - Themmila Khamrang
- Department of Chemistry, North-Eastern Hill University, Shillong, 793022, India
| | - Marappan Velusamy
- Department of Chemistry, North-Eastern Hill University, Shillong, 793022, India
| | - Sellamuthu Karthi
- School of Biotechnology, Madurai Kamaraj University, Madurai, 625 021, India
| | | | - Ramasamy Mayilmurugan
- Bioinorganic Chemistry Laboratory/Physical Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai, 625021, India.
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26
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Fu J, Han J, Meng T, Hu J, Yin J. Novel α-ketoamide based diazeniumdiolates as hydrogen peroxide responsive nitric oxide donors with anti-lung cancer activity. Chem Commun (Camb) 2019; 55:12904-12907. [DOI: 10.1039/c9cc05266f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Novel α-ketoamide based diazeniumdiolates activated by hydrogen peroxide to release nitric oxide and exert anti-cancer activity.
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Affiliation(s)
- Junjie Fu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology
- Ministry of Education
- School of Biotechnology
- Jiangnan University
- Wuxi 214122
| | - Jing Han
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Tingting Meng
- Key Laboratory of Carbohydrate Chemistry and Biotechnology
- Ministry of Education
- School of Biotechnology
- Jiangnan University
- Wuxi 214122
| | - Jing Hu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology
- Ministry of Education
- School of Biotechnology
- Jiangnan University
- Wuxi 214122
| | - Jian Yin
- Key Laboratory of Carbohydrate Chemistry and Biotechnology
- Ministry of Education
- School of Biotechnology
- Jiangnan University
- Wuxi 214122
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27
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Dutta A, Islam ASM, Maiti D, Sasmal M, Pradhan C, Ali M. A smart molecular probe for selective recognition of nitric oxide in 100% aqueous solution with cell imaging application and DFT studies. Org Biomol Chem 2019; 17:2492-2501. [DOI: 10.1039/c9ob00177h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple, least-cytotoxic as well as an efficient fluorescent sensor HqEN480 recognizes NO in 100% aqueous solution with cell imaging application.
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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
| | - Mihir Sasmal
- Department of Chemistry Jadavpur University
- Kolkata 700 032
- India
| | - Chandradoy Pradhan
- Molecular & Human Genetics Division
- CSIR-Indian Institute of Chemical Biology
- Kolkata-700032
- India
| | - Mahammad Ali
- Department of Chemistry Jadavpur University
- Kolkata 700 032
- India
- Vice-Chancellor
- Aliah University
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28
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Wang BH, Yan B. A dye@MOF crystalline probe serving as a platform for ratiometric sensing of trichloroacetic acid (TCA), a carcinogen metabolite in human urine. CrystEngComm 2019. [DOI: 10.1039/c9ce00924h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel microporous dual-emitting dye@MOF FS@1 hybrid has been designed and prepared to effectively detect TCA, the biomarker for carcinogenic TCE in human urine.
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Affiliation(s)
- Bing-Hui Wang
- School of Chemical Science and Engineering
- Tongji University
- Shanghai
- China
| | - Bing Yan
- School of Chemical Science and Engineering
- Tongji University
- Shanghai
- China
- School of Materials Science and Engineering
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29
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Felip-León C, Angulo-Pachón CA, Miravet JF, Galindo F. Self-Assembly Controls Reactivity with Nitric Oxide: Implications for Fluorescence Sensing. ACS OMEGA 2018; 3:15538-15545. [PMID: 31458209 PMCID: PMC6643459 DOI: 10.1021/acsomega.8b01869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 10/31/2018] [Indexed: 06/10/2023]
Abstract
Three molecules containing the fluorophore 4-amino-1,8-naphthalimide (ANI) and showing different tendencies to self-assembly in aqueous environment have been prepared and fully characterized. The fluorescence emissions of two of these compounds in aqueous solutions are efficiently quenched in the presence of nitric oxide (NO) in aerated medium. Nuclear magnetic resonance and mass spectrometry techniques indicate that NO/O2 induces deamination of the ANI fluorophore, resulting in nonemissive 1,8-naphtalimide derivatives. It is found that the reactivity toward NO/O2 is regulated by the different aggregation modes presented by the molecules in aqueous medium. In this way, the molecules displaying fluorescence response toward NO/O2 are those with weak self-association properties whereas the compound with a high hydrophobic character (self-assembling into large nanoparticles) is insensitive to this species. Ultimately, the results described here could not only set the basis for the design of fluorescent bioprobes for NO/O2 based on ANI derivatives or other monoamino compounds but also could raise awareness about the importance of supramolecular interactions for the design of chemosensors.
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Affiliation(s)
- Carles Felip-León
- Departamento de Química
Inorgánica y Orgánica, Universitat
Jaume I, Avda. Sos Baynat s/n, 12071 Castellón, Spain
| | - César A. Angulo-Pachón
- Departamento de Química
Inorgánica y Orgánica, Universitat
Jaume I, Avda. Sos Baynat s/n, 12071 Castellón, Spain
| | - Juan F. Miravet
- Departamento de Química
Inorgánica y Orgánica, Universitat
Jaume I, Avda. Sos Baynat s/n, 12071 Castellón, Spain
| | - Francisco Galindo
- Departamento de Química
Inorgánica y Orgánica, Universitat
Jaume I, Avda. Sos Baynat s/n, 12071 Castellón, Spain
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30
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Jia X, Zhang Y, Zou Y, Wang Y, Niu D, He Q, Huang Z, Zhu W, Tian H, Shi J, Li Y. Dual Intratumoral Redox/Enzyme-Responsive NO-Releasing Nanomedicine for the Specific, High-Efficacy, and Low-Toxic Cancer Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1704490. [PMID: 29889325 DOI: 10.1002/adma.201704490] [Citation(s) in RCA: 139] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 05/08/2018] [Indexed: 05/28/2023]
Abstract
Chemotherapy suffers numbers of limitations including poor drug solubility, nonspecific biodistribution, and inevitable adverse effects on normal tissues. Tumor-targeted delivery and intratumoral stimuli-responsive release of drugs by nanomedicines are considered to be highly promising in solving these problems. Compared with traditional chemotherapeutic drugs, high concentration of nitric oxide (NO) exhibits unique anticancer effects. The development of tumor-targeting and intratumoral microenvironment-responsive NO-releasing nanomedicines is highly desired. Here a novel kind of organic-inorganic composite nanomedicine (QM-NPQ@PDHNs) is presented by encapsulating a glutathione S-transferases π (GSTπ)-responsive drug O2 -(2,4-dinitro-5-{[2-(β-d-galactopyranosyl olean-12-en-28-oate-3-yl)-oxy-2-oxoethyl] piperazine-1-yl} phenyl) 1-(methylethanolamino)diazen-1-ium-1,2-dilate (NPQ) as NO donor and an aggregation-induced-emission (AIE) red fluorogen QM-2 into the cores of the hybrid nanomicelles (PEGylated disulfide-doped hybrid nanocarriers (PDHNs)) with glutathione (GSH)-responsive shells. The QM-NPQ@PDHN nanomedicine is able to respond to the intratumoral over-expressed GSH and GSTπ, resulting in the responsive biodegradation of the protective organosilica shell and NPQ release, and subsequent NO release within the tumor, respectively, and thus normal organs remain unaffected. This work demonstrates a paradigm of dual intratumoral redox/enzyme-responsive NO-release nanomedicine for tumor-specific and high-efficacy cancer therapy.
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Affiliation(s)
- Xiaobo Jia
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Yihua Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Yu Zou
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Yao Wang
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Dechao Niu
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Qianjun He
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, 518060, China
| | - Zhangjian Huang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Weihong Zhu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science & Technology, Shanghai, 200237, China
| | - He Tian
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science & Technology, Shanghai, 200237, China
| | - Jianlin Shi
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Yongsheng Li
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
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31
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Piacenza F, Biesemeier A, Farina M, Piva F, Jin X, Pavoni E, Nisi L, Cardelli M, Costarelli L, Giacconi R, Basso A, Pierpaoli E, Provinciali M, Hwang JCM, Morini A, di Donato A, Malavolta M. Measuring zinc in biological nanovesicles by multiple analytical approaches. J Trace Elem Med Biol 2018; 48:58-66. [PMID: 29773195 DOI: 10.1016/j.jtemb.2018.03.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 02/22/2018] [Accepted: 03/09/2018] [Indexed: 12/15/2022]
Abstract
Exosomes are nanovesicles known to mediate intercellular communication. Although it is established that zinc ions can act as intracellular signaling factors, the measurement of zinc in circulating nanovesicles has not yet been attempted. Providing evidence of the existence of this zinc fraction and methods for its measurement might be important to advance our knowledge of zinc status and its relevance in diseases. Exosomes from 0.5 ml of either fresh or frozen human plasma were isolated by differential centrifugation. A morphological and dimensional evaluation at the nanoscale level was performed by atomic force microscopy (AFM) and Transmission Electron Microscopy (TEM). Energy Dispersive X-Ray Microanalysis (EDX) revealed the elemental composition of exosomes and their respective total Zinc content on a quantitative basis. The zinc mole fraction (in at%) was correlated to the phosphorous mole fraction, which is indicative for exosomal membrane material. Both fresh (Zn/P 0.09 ± 0.01) and frozen exosomes (Zn/P 0.08 ± 0.02) had a significant zinc content, which increased up to 1.09 ± 0.12 for frozen exosomes when treated with increasing amounts of zinc (100-500 μM; each p < 0.05). Interestingly, after zinc addition, the Calcium mole fractions decreased accordingly suggesting a possible exchange by zinc. In order to estimate the intra-exosomal labile zinc content, an Imaging Flow Cytometry approach was developed by using the specific membrane permeable zinc-probe Fluozin-3AM. A labile zinc content of 0.59 ± 0.27 nM was calculated but it is likely that the measurement may be affected by purification and isolation conditions. This study suggests that circulating nano-vesicular-zinc can represent a newly discovered zinc fraction in the blood plasma whose functional and biological properties will have to be further investigated in future studies.
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Affiliation(s)
- Francesco Piacenza
- National Institute of Health & Aging, INRCA, Scientific and Technological Pole, Advanced Technology Center for Aging Research, Italy.
| | - Antje Biesemeier
- Center for Ophthalmology, Division for Experimental Vitreoretinal Surgery, Core Facility for Electron Microscopy, University Hospital Tuebingen, Germany
| | - Marco Farina
- Dipartimento di Ingegneria dell'Informazione, Università Politecnica delle Marche, 60131 Ancona, Italy
| | - Francesco Piva
- Department of Specialistic Clinical and Odontostomatological Sciences, Polytechnic University of Marche Region, Ancona, Italy
| | - Xin Jin
- Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, PA 18015 USA
| | - Eleonora Pavoni
- Dipartimento di Ingegneria dell'Informazione, Università Politecnica delle Marche, 60131 Ancona, Italy
| | - Lorenzo Nisi
- National Institute of Health & Aging, INRCA, Scientific and Technological Pole, Advanced Technology Center for Aging Research, Italy
| | - Maurizio Cardelli
- National Institute of Health & Aging, INRCA, Scientific and Technological Pole, Advanced Technology Center for Aging Research, Italy
| | - Laura Costarelli
- National Institute of Health & Aging, INRCA, Scientific and Technological Pole, Advanced Technology Center for Aging Research, Italy
| | - Robertina Giacconi
- National Institute of Health & Aging, INRCA, Scientific and Technological Pole, Advanced Technology Center for Aging Research, Italy
| | - Andrea Basso
- National Institute of Health & Aging, INRCA, Scientific and Technological Pole, Advanced Technology Center for Aging Research, Italy
| | - Elisa Pierpaoli
- National Institute of Health & Aging, INRCA, Scientific and Technological Pole, Advanced Technology Center for Aging Research, Italy
| | - Mauro Provinciali
- National Institute of Health & Aging, INRCA, Scientific and Technological Pole, Advanced Technology Center for Aging Research, Italy
| | - James C M Hwang
- Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, PA 18015 USA
| | - Antonio Morini
- Dipartimento di Ingegneria dell'Informazione, Università Politecnica delle Marche, 60131 Ancona, Italy
| | - Andrea di Donato
- Dipartimento di Ingegneria dell'Informazione, Università Politecnica delle Marche, 60131 Ancona, Italy
| | - Marco Malavolta
- National Institute of Health & Aging, INRCA, Scientific and Technological Pole, Advanced Technology Center for Aging Research, Italy
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32
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Steiger AK, Zhao Y, Pluth MD. Emerging Roles of Carbonyl Sulfide in Chemical Biology: Sulfide Transporter or Gasotransmitter? Antioxid Redox Signal 2018; 28:1516-1532. [PMID: 28443679 PMCID: PMC5930797 DOI: 10.1089/ars.2017.7119] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 04/16/2017] [Indexed: 12/19/2022]
Abstract
SIGNIFICANCE Carbonyl sulfide (COS) is the most prevalent sulfur-containing gas in the Earth's atmosphere, and it plays important roles in the global sulfur cycle. COS has been implicated in origin of life peptide ligation, is the primary energy source for certain bacteria, and has been detected in mammalian systems. Despite this long and intertwined history with terrestrial biology, limited attention has focused on potential roles of COS as a biological mediator. Recent Advances: Although bacterial COS production is well documented, definitive sources of mammalian COS production have not been confirmed. Enzymatic COS consumption in mammals, however, is well documented and occurs primarily by carbonic anhydrase (CA)-mediated conversion to hydrogen sulfide (H2S). COS has been detected in ex vivo mammalian tissue culture, as well as in exhaled breath as a potential biomarker for different disease pathologies, including cystic fibrosis and organ rejection. Recently, chemical tools for COS delivery have emerged and are poised to advance future investigations into the role of COS in different biological contexts. CRITICAL ISSUES Possible roles of COS as an important biomolecule, gasotransmitter, or sulfide transport intermediate remain to be determined. Key advances in both biological and chemical tools for COS research are needed to further investigate these questions. FUTURE DIRECTIONS Further evaluation of the biological roles of COS and disentangling the chemical biology of COS from that of H2S are needed to further elucidate these interactions. Chemical tools for COS delivery and modulation may provide a first avenue of investigative tools to answer many of these questions. Antioxid. Redox Signal. 28, 1516-1532.
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Affiliation(s)
- Andrea K Steiger
- Department of Chemistry and Biochemistry, Institute of Molecular Biology, Materials Science Institute, University of Oregon , Eugene, Oregon
| | - Yu Zhao
- Department of Chemistry and Biochemistry, Institute of Molecular Biology, Materials Science Institute, University of Oregon , Eugene, Oregon
| | - Michael D Pluth
- Department of Chemistry and Biochemistry, Institute of Molecular Biology, Materials Science Institute, University of Oregon , Eugene, Oregon
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33
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Au-Yeung HY, Chan CY, Tong KY, Yu ZH. Copper-based reactions in analyte-responsive fluorescent probes for biological applications. J Inorg Biochem 2017; 177:300-312. [DOI: 10.1016/j.jinorgbio.2017.07.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 06/29/2017] [Accepted: 07/01/2017] [Indexed: 02/04/2023]
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34
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Leggett R, Thomas P, Marín MJ, Gavrilovic J, Russell DA. Imaging of compartmentalised intracellular nitric oxide, induced during bacterial phagocytosis, using a metalloprotein-gold nanoparticle conjugate. Analyst 2017; 142:4099-4105. [PMID: 28960221 PMCID: PMC5708316 DOI: 10.1039/c7an00898h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 08/02/2017] [Indexed: 01/12/2023]
Abstract
Nitric oxide (NO) plays an essential role within the immune system since it is involved in the break-down of infectious agents such as viruses and bacteria. The ability to measure the presence of NO in the intracellular environment would provide a greater understanding of the pathophysiological mechanism of this important molecule. Here we report the detection of NO from the intracellular phagolysosome using a fluorescently tagged metalloprotein-gold nanoparticle conjugate. The metalloprotein cytochrome c, fluorescently tagged with an Alexa Fluor dye, was self-assembled onto gold nanoparticles to produce a NO specific nanobiosensor. Upon binding of NO, the cytochrome c protein changes conformation which induces an increase of fluorescence intensity of the tagged protein proportional to the NO concentration. The nanobiosensor was sensitive to NO in a reversible and selective manner, and exhibited a linear response at NO concentrations between 1 and 300 μM. In RAW264.7γ NO- macrophage cells, the nanobiosensor was used to detect the presence of NO that had been endogenously generated upon stimulation of the cells with interferon-γ and lipopolysaccharide, or spontaneously released following treatment of the cells with a NO donor. Significantly, the nanobiosensor was shown to be taken up by the macrophages within phagolysosomes, i.e., the precise location where the NO, together with other species, destroys bacterial infection. The nanobiosensor measured, for the first time, increasing concentrations of NO produced during combined stimulation and phagocytosis of Escherichia coli bacteria from within localised intracellular phagolysosomes, a key part of the immune system.
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Affiliation(s)
- Richard Leggett
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , UK .
| | - Paul Thomas
- School of Biological Sciences , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , UK .
| | - María J. Marín
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , UK .
| | - Jelena Gavrilovic
- School of Biological Sciences , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , UK .
| | - David A. Russell
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , UK .
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Makwana O, Flockton H, Watters GP, Nisar R, Smith GA, Fields W, Bombick B. Human aortic endothelial cells respond to shear flow in well-plate microfluidic devices. Altern Lab Anim 2017; 45:177-190. [PMID: 28994298 DOI: 10.1177/026119291704500407] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Although chronic progressive cardiovascular diseases such as atherosclerosis are often challenging to fully model in vitro, it has been shown that certain in vitro methods can effectively evaluate some aspects of disease progression. This has been demonstrated in in vitro and in vivo studies of endothelial cells that have illustrated the effects of nitric oxide (NO) production, filamentous actin (F-actin) formation, and cell and actin angle alignment on vascular function and homeostasis. Systems utilising shear flow have been established, in order to create a physiologically relevant environment for cells that require shear flow for homeostasis. Here, we investigated the use of a well-plate microfluidic system and associated devices (0-20dyn/cm²) to demonstrate applied shear effects on primary Human Aortic Endothelial Cells (HAECs). Changes in cell and actin alignment in the direction of flow, real-time production of NO and gross cell membrane shape changes in response to physiological shear flow were observed. These commercial systems have a range of potential applications, including within the consumer and pharmaceutical industries, thereby reducing the dependency on animal testing for regulatory safety assessments.
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Affiliation(s)
- Om Makwana
- RAI Services Company Winston-Salem, NC, USA
| | - Hannah Flockton
- Covance Laboratories Ltd, Genetic and Molecular Toxicology, Harrogate, UK
| | - Gary P Watters
- Covance Laboratories Ltd, Genetic and Molecular Toxicology, Harrogate, UK
| | - Rizwan Nisar
- Covance Laboratories Ltd, Genetic and Molecular Toxicology, Harrogate, UK
| | - Gina A Smith
- Covance Laboratories Ltd, Genetic and Molecular Toxicology, Harrogate, UK
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36
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Horwath MC, Bell-Horwath TR, Lescano V, Krishnan K, Merino EJ, Deepe GS. Antifungal Activity of the Lipophilic Antioxidant Ferrostatin-1. Chembiochem 2017; 18:2069-2078. [PMID: 28783875 DOI: 10.1002/cbic.201700105] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Indexed: 12/20/2022]
Abstract
Ferrostatin-1 (Fer-1) is a lipophilic antioxidant that effectively blocks ferroptosis, a distinct non-apoptotic form of cell death caused by lipid peroxidation. During many infections, both pathogens and host cells are subjected to oxidative stress, but the occurrence of ferroptosis had not been investigated. We examined ferroptosis in macrophages infected with the pathogenic yeast Histoplasma capsulatum. Unexpectedly, Fer-1 not only reduced the death of macrophages infected in vitro, but inhibited the growth of H. capsulatum and related species Paracoccidioides lutzii and Blastomyces dermatitidis at concentrations under 10 μm. Other antioxidant ferroptosis inhibitors, including liproxstatin-1, did not prevent fungal growth or reduce macrophage death. Structural analysis revealed a potential similarity of Fer-1 to inhibitors of fungal sterol synthesis, and ergosterol content of H. capsulatum decreased more than twofold after incubation with Fer-1. Strikingly, additional Fer-1 analogues with slight differences from Fer-1 had limited impact on fungal growth. In conclusion, the ferroptosis inhibitor Fer-1 has unexpected antifungal potency distinct from its antiferroptotic activity.
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Affiliation(s)
- Michael C Horwath
- Immunology Graduate Program, Cincinnati Children's Hospital Medical Center, 333 Burnet Avenue, Cincinnati, OH, 45229, USA.,Division of Infectious Diseases, University of Cincinnati College of Medicine, 3230 Eden Avenue, Cincinnati, OH, 45267, USA
| | - Tiffany R Bell-Horwath
- Department of Chemistry, University of Cincinnati McMicken College of Arts and Sciences, 2600 Clifton Court, Cincinnati, OH, 45221, USA
| | - Victor Lescano
- Department of Clinical and Health Information Sciences, University of Cincinnati College of Allied Health Sciences, 3202 Albert Sabin Way, Cincinnati, OH, 45267, USA
| | - Karthik Krishnan
- Department of Pathology and Laboratory Medicine, University of Cincinnati Medical Center, 234 Goodman Street, Cincinnati, OH, 45219, USA
| | - Edward J Merino
- Department of Chemistry, University of Cincinnati McMicken College of Arts and Sciences, 2600 Clifton Court, Cincinnati, OH, 45221, USA
| | - George S Deepe
- Division of Infectious Diseases, University of Cincinnati College of Medicine, 3230 Eden Avenue, Cincinnati, OH, 45267, USA.,Medical Service, Cincinnati VA Medical Center, 3200 Vine Street, Cincinnati, OH, 45220, USA
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37
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Bhattacharya S, Sarkar R, Chakraborty B, Porgador A, Jelinek R. Nitric Oxide Sensing through Azo-Dye Formation on Carbon Dots. ACS Sens 2017; 2:1215-1224. [PMID: 28770991 DOI: 10.1021/acssensors.7b00356] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Carbon dots (C-dots) prepared through heating of aminoguanidine and citric acid enable bimodal (colorimetric and fluorescence) detection of nitric oxide (NO) in aqueous solutions. The C-dots retained the functional units of aminoguanidine, which upon reaction with NO produced surface residues responsible for the color and fluorescence transformations. Notably, the aminoguanidine/citric acid C-dots were noncytotoxic, making possible real-time and high sensitivity detection of NO in cellular environments. Using multiprong spectroscopic and chromatography analyses we deciphered the molecular mechanism accounting for the NO-induced structural and photophysical transformations of the C-dots, demonstrating for the first time N2 release and azo dye formation upon the C-dots' surface.
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Affiliation(s)
- Sagarika Bhattacharya
- Department of Chemistry, ‡The Shraga Segal Department of Microbiology, Immunology
and Genetics, Faculty of Health Sciences, and §Ilse Katz Institute for Nanotechnology, Ben Gurion University of the Negev, Beer Sheva 84105, Israel
| | - Rhitajit Sarkar
- Department of Chemistry, ‡The Shraga Segal Department of Microbiology, Immunology
and Genetics, Faculty of Health Sciences, and §Ilse Katz Institute for Nanotechnology, Ben Gurion University of the Negev, Beer Sheva 84105, Israel
| | - Biswarup Chakraborty
- Department of Chemistry, ‡The Shraga Segal Department of Microbiology, Immunology
and Genetics, Faculty of Health Sciences, and §Ilse Katz Institute for Nanotechnology, Ben Gurion University of the Negev, Beer Sheva 84105, Israel
| | - Angel Porgador
- Department of Chemistry, ‡The Shraga Segal Department of Microbiology, Immunology
and Genetics, Faculty of Health Sciences, and §Ilse Katz Institute for Nanotechnology, Ben Gurion University of the Negev, Beer Sheva 84105, Israel
| | - Raz Jelinek
- Department of Chemistry, ‡The Shraga Segal Department of Microbiology, Immunology
and Genetics, Faculty of Health Sciences, and §Ilse Katz Institute for Nanotechnology, Ben Gurion University of the Negev, Beer Sheva 84105, Israel
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38
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Andina D, Leroux JC, Luciani P. Ratiometric Fluorescent Probes for the Detection of Reactive Oxygen Species. Chemistry 2017; 23:13549-13573. [DOI: 10.1002/chem.201702458] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Indexed: 12/14/2022]
Affiliation(s)
- Diana Andina
- Department of Chemistry and Applied Biosciences; Swiss Federal Institute of Technology (ETHZ); Vladimir-Prelog-Weg 1-5/10 8093 Zürich Switzerland
| | - Jean-Christophe Leroux
- Department of Chemistry and Applied Biosciences; Swiss Federal Institute of Technology (ETHZ); Vladimir-Prelog-Weg 1-5/10 8093 Zürich Switzerland
| | - Paola Luciani
- Biologisch-Pharmazeutisch Fakultät, Institut für Pharmazie; Friedrich-Schiller-Universität Jena; 07743 Jena Germany
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39
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Oppermann A, Laurini L, Etscheidt F, Hollmann K, Strassl F, Hoffmann A, Schurr D, Dittmeyer R, Rinke G, Herres-Pawlis S. Detection of Copper Bisguanidine NO Adducts by UV-vis Spectroscopy and a SuperFocus Mixer. Chem Eng Technol 2017. [DOI: 10.1002/ceat.201600691] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Alexander Oppermann
- RWTH Aachen University; Institut für Anorganische Chemie; Landoltweg 1 52074 Aachen Germany
| | - Larissa Laurini
- RWTH Aachen University; Institut für Anorganische Chemie; Landoltweg 1 52074 Aachen Germany
| | - Fabian Etscheidt
- RWTH Aachen University; Institut für Anorganische Chemie; Landoltweg 1 52074 Aachen Germany
| | - Katharina Hollmann
- RWTH Aachen University; Institut für Anorganische Chemie; Landoltweg 1 52074 Aachen Germany
| | - Florian Strassl
- RWTH Aachen University; Institut für Anorganische Chemie; Landoltweg 1 52074 Aachen Germany
| | - Alexander Hoffmann
- RWTH Aachen University; Institut für Anorganische Chemie; Landoltweg 1 52074 Aachen Germany
| | - Daniela Schurr
- Karlsruhe Institute of Technology; Institute for Micro Process Engineering; Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Roland Dittmeyer
- Karlsruhe Institute of Technology; Institute for Micro Process Engineering; Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Günter Rinke
- Karlsruhe Institute of Technology; Institute for Micro Process Engineering; Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Sonja Herres-Pawlis
- RWTH Aachen University; Institut für Anorganische Chemie; Landoltweg 1 52074 Aachen Germany
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40
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Bhattacharya A, Biswas P, Kar P, Roychoudhury P, Basu S, Ganguly S, Ghosh S, Panda K, Pal R, Dasgupta AK. Nitric oxide sensing by chlorophyll a. Anal Chim Acta 2017; 985:101-113. [PMID: 28864180 DOI: 10.1016/j.aca.2017.07.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 06/19/2017] [Accepted: 07/07/2017] [Indexed: 12/16/2022]
Abstract
Nitric oxide (NO) acts as a signalling molecule that has direct and indirect regulatory roles in various functional processes in biology, though in plant kingdom its role is relatively unexplored. One reason for this is the fact that sensing of NO is always challenging. There are very few probes that can classify the different NO species. The present paper proposes a simple but straightforward way for sensing different NO species using chlorophyll, the source of inspiration being hemoglobin that serves as NO sink in mammalian systems. The proposed method is able to classify NO from DETA-NONOate or (Z)-1-[N-(2-aminoethyl)-N-(2-ammonioethyl) amino] diazen-1-ium-1,2-diolate, nitrite, nitrate and S-nitrosothiol or SNO. This discrimination is carried out by chlorophyll a (chl a) at nano molar (nM) order of sensitivity and at 293 K-310 K. Molecular docking reveals the differential binding effects of NO and SNO with chlorophyll, the predicted binding affinity matching with the experimental observation. Additional experiments with a diverse range of cyanobacteria reveal that apart from the spectroscopic approach the proposed sensing module can be used in microscopic inspection of NO species. Binding of NO is sensitive to temperature and static magnetic field. This provides additional support for the involvement of the porphyrin ring structures to the NO sensing process. This also, broadens the scope of the sensing methods as hinted in the text.
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Affiliation(s)
- Abhishek Bhattacharya
- Department of Biochemistry, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Pranjal Biswas
- Department of Biochemistry, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Puranjoy Kar
- Department of Biochemistry, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Piya Roychoudhury
- Department of Botany, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Sankar Basu
- Department of Biochemistry, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Souradipta Ganguly
- Department of Biotechnology and Guha Centre for Genetic Engineering & Biotechnology, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Sanjay Ghosh
- Department of Biochemistry, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Koustubh Panda
- Department of Biotechnology and Guha Centre for Genetic Engineering & Biotechnology, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Ruma Pal
- Department of Botany, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Anjan Kr Dasgupta
- Department of Biochemistry, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700019, India.
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Меньщикова, Menshchikova E, Зенков, Zenkov N. MODERN APPROACHES TO OXIDATIVE STRESS ESTIMATION, OR HOW TO MEASURE THE IMMEASURABLE. ACTA ACUST UNITED AC 2017. [DOI: 10.12737/article_590823a565aa50.41723117] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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42
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Fabregat V, Burguete MI, Galindo F, Luis SV. Influence of polymer composition on the sensitivity towards nitrite and nitric oxide of colorimetric disposable test strips. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:3448-3455. [PMID: 27873112 DOI: 10.1007/s11356-016-8068-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 11/07/2016] [Indexed: 06/06/2023]
Abstract
The influence of polymer composition on the sensitivity towards nitrite (NO2-) and nitric oxide (NO) of a series of 19 polymeric hydrogel films has been studied. The polymers, based on the hydrophilic monomer 2-hydroxyethylmethacrylate (HEMA), are able to encapsulate the colorimetric indicator 1,2-diaminoanthraquinone (DAQ) and to respond to NO2- and NO by visual changes. In the case of nitrite, the calculated limits of detection (LOD) for two of the polymeric sensors (10 μM) are very close to the sensitivity estimated for free DAQ in solution (LOD 5 μM), but with the advantage of a solid supported sensor with the format of a disposable test-strip made with affordable starting chemicals. The results are interpreted taking into account the nature and proportions of monomers and cross-linkers used for the synthesis of polymers. Key factors for obtaining sensitive materials are the hydrophilic character of the film along with the utilization of low levels of cross-linker and the use of an acidic monomer, like acrylic acid, as a building block.
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Affiliation(s)
- Víctor Fabregat
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Av. Sos Baynat, s/n, E-12071, Castellón, Spain
| | - M Isabel Burguete
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Av. Sos Baynat, s/n, E-12071, Castellón, Spain
| | - Francisco Galindo
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Av. Sos Baynat, s/n, E-12071, Castellón, Spain.
| | - Santiago V Luis
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Av. Sos Baynat, s/n, E-12071, Castellón, Spain.
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43
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Gu X, Huang Z, Ren Z, Tang X, Xue R, Luo X, Peng S, Peng H, Lu B, Tian J, Zhang Y. Potent Inhibition of Nitric Oxide-Releasing Bifendate Derivatives against Drug-Resistant K562/A02 Cells in Vitro and in Vivo. J Med Chem 2017; 60:928-940. [PMID: 28068095 DOI: 10.1021/acs.jmedchem.6b01075] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Multidrug resistance is a major obstacle to successful chemotherapy for leukemia. In this study, a series of nitric oxide (NO)-releasing bifendate derivatives (7a-n) were synthesized. Biological evaluation indicated that the most active compound (7a) produced relatively high levels of NO and significantly inhibited the proliferation of drug-resistant K562/A02 cells in vitro and in vivo. In addition, 7a induced the mitochondrial tyrosine nitration and the intracellular accumulation of rhodamine 123 by inhibiting P-gp activity in K562/A02 cells. Furthermore, 7a remarkably down-regulated AKT, NF-κB, and ERK activation and HIF-1α expression in K562/A02 cells, which are associated with the tumor cell proliferation and drug resistance. Notably, the antitumor effects were dramatically attenuated by an NO scavenger or elimination of the NO-releasing capability of 7a, indicating that NO produced by 7a contributed to, at least partly, its cytotoxicity against drug-resistant K562/A02 cells. Overall, 7a may be a potential agent against drug-resistant myelogenous leukemia.
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Affiliation(s)
- Xiaoke Gu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University , 24 Tongjiaxiang, Nanjing 210009, People's Republic of China.,Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University , Xuzhou 221004, People's Republic of China
| | - Zhangjian Huang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University , 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
| | - Zhiguang Ren
- Department of Environment and Pharmacy, Tianjin Institute of Health and Environmental Medicine , Tianjin 300050, People's Republic of China
| | - Xiaobo Tang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University , 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
| | - Rongfang Xue
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University , 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
| | - Xiaojun Luo
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University , 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
| | - Sixun Peng
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University , 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
| | - Hui Peng
- Department of Environment and Pharmacy, Tianjin Institute of Health and Environmental Medicine , Tianjin 300050, People's Republic of China
| | - Bin Lu
- Institute of Biophysics, School of Laboratory Medicine and Life Sciences, Wenzhou Medical College , Wenzhou 325035, People's Republic of China
| | - Jide Tian
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California Los Angeles , Los Angeles, California 90095, United States
| | - Yihua Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University , 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
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44
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Liu C, Wang Y, Tang C, Liu F, Ma Z, Zhao Q, Wang Z, Zhu B, Zhang X. A reductant-resistant ratiometric, colorimetric and far-red fluorescent probe for rapid and ultrasensitive detection of nitroxyl. J Mater Chem B 2017; 5:3557-3564. [DOI: 10.1039/c6tb03359h] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A reductant-resistant ratiometric, colorimetric and far-red fluorescent probe for rapid and ultrasensitive detection of nitroxyl was developed.
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Affiliation(s)
- Caiyun Liu
- Key Laboratory of Cluster Science of Ministry of Education
- School of Chemistry
- Beijing Institute of Technology
- Beijing 100081
- China
| | - Yawei Wang
- School of Resources and Environment
- University of Jinan, Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- China
| | - Chengcheng Tang
- School of Resources and Environment
- University of Jinan, Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- China
| | - Fang Liu
- School of Resources and Environment
- University of Jinan, Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- China
| | - Zhenmin Ma
- School of Resources and Environment
- University of Jinan, Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- China
| | - Qiang Zhao
- School of Resources and Environment
- University of Jinan, Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- China
| | - Zhongpeng Wang
- School of Resources and Environment
- University of Jinan, Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- China
| | - Baocun Zhu
- School of Resources and Environment
- University of Jinan, Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- China
| | - Xiaoling Zhang
- Key Laboratory of Cluster Science of Ministry of Education
- School of Chemistry
- Beijing Institute of Technology
- Beijing 100081
- China
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45
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Loas A, Lippard SJ. Direct ratiometric detection of nitric oxide with Cu(ii)-based fluorescent probes. J Mater Chem B 2017; 5:8929-8933. [DOI: 10.1039/c7tb02666h] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We report the first Cu(ii)-based ratiometric sensors for direct, rapid, and selective fluorescent detection of nitric oxide.
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Affiliation(s)
- A. Loas
- Department of Chemistry
- Massachusetts Institute of Technology
- Cambridge
- USA
| | - S. J. Lippard
- Department of Chemistry
- Massachusetts Institute of Technology
- Cambridge
- USA
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46
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Trifluoperazine inhibits acetaminophen-induced hepatotoxicity and hepatic reactive nitrogen formation in mice and in freshly isolated hepatocytes. Toxicol Rep 2017; 4:134-142. [PMID: 28503408 PMCID: PMC5426116 DOI: 10.1016/j.toxrep.2017.02.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Increased reactive nitrogen and oxygen species formation leads to APAP hepatoxicity. TFP is known to block nNOS both in vivo as well as in vitro. The nNOS inhibitor TFP blocks toxicity and the increased RNS/ROS formation. Toxicity occurs with increased 3- nitro tyrosine both in vivo as well as in vitro. NNOS inhibition by TFP leads to decreasing 3-nitro tyrosine in vivo as well as in vitro.
The hepatotoxicity of acetaminophen (APAP) occurs by initial metabolism to N-acetyl-p-benzoquinone imine which depletes GSH and forms APAP-protein adducts. Subsequently, the reactive nitrogen species peroxynitrite is formed from nitric oxide (NO) and superoxide leading to 3-nitrotyrosine in proteins. Toxicity occurs with inhibited mitochondrial function. We previously reported that in hepatocytes the nNOS (NOS1) inhibitor NANT inhibited APAP toxicity, reactive nitrogen and oxygen species formation, and mitochondrial dysfunction. In this work we examined the effect of trifluoperazine (TFP), a calmodulin antagonist that inhibits calcium induced nNOS activation, on APAP hepatotoxicity and reactive nitrogen formation in murine hepatocytes and in vivo. In freshly isolated hepatocytes TFP inhibited APAP induced toxicity, reactive nitrogen formation (NO, GSNO, and 3-nitrotyrosine in protein), reactive oxygen formation (superoxide), loss of mitochondrial membrane potential, decreased ATP production, decreased oxygen consumption rate, and increased NADH accumulation. TFP did not alter APAP induced GSH depletion in the hepatocytes or the formation of APAP protein adducts which indicated that reactive metabolite formation was not inhibited. Since we previously reported that TFP inhibits the hepatotoxicity of APAP in mice without altering hepatic APAP-protein adduct formation, we examined the APAP treated mouse livers for evidence of reactive nitrogen formation. 3-Nitrotyrosine in hepatic proteins and GSNO were significantly increased in APAP treated mouse livers and decreased in the livers of mice treated with APAP plus TFP. These data are consistent with a hypothesis that APAP hepatotoxicity occurs with altered calcium metabolism, activation of nNOS leading to increased reactive nitrogen formation, and mitochondrial dysfunction.
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47
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Gallina AA, Palumbo A, Casotti R. Oxidative pathways in response to polyunsaturated aldehydes in the marine diatom Skeletonema marinoi (Bacillariophyceae). JOURNAL OF PHYCOLOGY 2016; 52:590-598. [PMID: 27061927 DOI: 10.1111/jpy.12421] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 03/21/2016] [Indexed: 06/05/2023]
Abstract
Polyunsaturated aldehydes (PUA) have recently been shown to induce reactive oxygen species (ROS) and possibly reactive nitrogen species (RNS, e.g., peroxynitrite) in the diatom Skeletonema marinoi (S. marinoi), which produces high amounts of PUA. We now are attempting to acquire better understanding of which reactive molecular species are involved in the oxidative response of S. marinoi to PUA. We used flow cytometry, the dye dihydrorhodamine 123 (DHR) as the main indicator of ROS (but which is also known to partially detect RNS), and different scavengers and inhibitors of both nitric oxide (NO) synthesis and superoxide dismutase activity (SOD). Both the scavengers Tempol (for ROS) and uric acid (UA, for peroxynitrite) induced a lower DHR-derived green fluorescence in S. marinoi cells exposed to the PUA, suggesting that both reactive species were produced. When PUA-exposed S. marinoi cells were treated with the NO scavenger 2-4-carboxyphenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (cPTIO), an opposite response was observed, with an increase in DHR-derived green fluorescence. A higher DHR-derived green fluorescence was also observed in the presence of sodium tungstate (ST), an inhibitor of NO production via nitrate reductase. In addition, two different SOD inhibitors, 2-methoxyestradiol (2ME) and sodium diethyldithiocarbamate trihydrate (DETC), had an effect, with DETC inducing the strongest inhibition after 20 min. These results indicate the involvement of O2 (•) generation and SOD activity in H2 O2 formation (with downstream ROS generation dependent from H2 O2 ) in response to PUA exposure. This is relevant as it refines the biological impact of PUA and identifies the specific molecules involved in the response. It is speculated that in PUA-exposed S. marinoi cells, beyond a certain threshold of PUA, the intracellular antioxidant system is no longer able to cope with the excess of ROS, thus resulting in the observed accumulation of both O2 (•-) and H2 O2 . This might be particularly relevant for population dynamics at sea, during blooms, when cell lysis increases and PUA are released. It can be envisioned that in the final stages of blooms, higher local PUA concentrations accumulate, which in turn induces intracellular ROS generation that ultimately leads to cell death and bloom decay.
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Affiliation(s)
| | - Anna Palumbo
- Stazione Zoologica Anton Dohrn di Napoli, Villa Comunale I80121, Napoli, Italy
| | - Raffaella Casotti
- Stazione Zoologica Anton Dohrn di Napoli, Villa Comunale I80121, Napoli, Italy
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48
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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: 63] [Impact Index Per Article: 7.9] [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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49
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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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50
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Boonkitpatarakul K, Wang J, Niamnont N, Liu B, Mcdonald L, Pang Y, Sukwattanasinitt M. Novel Turn-On Fluorescent Sensors with Mega Stokes Shifts for Dual Detection of Al3+ and Zn2+. ACS Sens 2015. [DOI: 10.1021/acssensors.5b00136] [Citation(s) in RCA: 148] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
| | - Junfeng Wang
- Department
of Chemistry, The University of Akron, Akron, Ohio 44325, United States
| | - Nakorn Niamnont
- Department
of Chemistry, King Mongkut’s University of Technology Thonburi, Bangkok 10140, Thailand
| | - Bin Liu
- Department
of Chemistry, The University of Akron, Akron, Ohio 44325, United States
| | - Lucas Mcdonald
- Department
of Chemistry, The University of Akron, Akron, Ohio 44325, United States
| | - Yi Pang
- Department
of Chemistry, The University of Akron, Akron, Ohio 44325, United States
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