101
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Yang M, Zhao H, Zhang Z, Yuan Q, Feng Q, Duan X, Wang S, Tang Y. CO/light dual-activatable Ru(ii)-conjugated oligomer agent for lysosome-targeted multimodal cancer therapeutics. Chem Sci 2021; 12:11515-11524. [PMID: 34667555 PMCID: PMC8447874 DOI: 10.1039/d1sc01317c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 07/21/2021] [Indexed: 01/10/2023] Open
Abstract
Stimuli-activatable and subcellular organelle-targeted agents with multimodal therapeutics are urgently desired for highly precise and effective cancer treatment. Herein, a CO/light dual-activatable Ru(ii)-oligo-(thiophene ethynylene) (Ru-OTE) for lysosome-targeted cancer therapy is reported. Ru-OTE is prepared via the coordination-driven self-assembly of a cationic conjugated oligomer (OTE-BN) ligand and a Ru(ii) center. Upon the dual-triggering of internal gaseous signaling molecular CO and external light, Ru-OTE undergoes ligand substitution and releases OTE-BN followed by dramatic fluorescence recovery, which could be used for monitoring drug delivery and imaging guided anticancer treatments. The released OTE-BN selectively accumulates in lysosomes, physically breaking their integrity. Then, the generated cytotoxic singlet oxygen (1O2) causes severe lysosome damage, thus leading to cancer cell death via photodynamic therapy (PDT). Meanwhile, the release of the Ru(ii) core also suppresses cancer cell growth as an anticancer metal drug. Its significant anticancer effect is realized via the multimodal therapeutics of physical disruption/PDT/chemotherapy. Importantly, Ru-OTE can be directly photo-activated using a two-photon laser (800 nm) for efficient drug release and near-infrared PDT. Furthermore, Ru-OTE with light irradiation inhibits tumor growth in an MDA-MB-231 breast tumor model with negligible side effects. This study demonstrates that the development of an activatable Ru(ii)-conjugated oligomer potential drug provides a new strategy for effective subcellular organelle-targeted multimodal cancer therapeutics. The anticancer therapeutics of lysosome disruption/PDT/chemotherapy based on Ru-OTE complex was achieved, which provides a new strategy for developing multimodal and effective stimuli-activatable subcellular organelle-targeted cancer therapeutics.![]()
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Affiliation(s)
- Min Yang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an Shaanxi Province 710119 P. R. China
| | - Hao Zhao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences P. R. China
| | - Ziqi Zhang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an Shaanxi Province 710119 P. R. China
| | - Qiong Yuan
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an Shaanxi Province 710119 P. R. China
| | - Qian Feng
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an Shaanxi Province 710119 P. R. China
| | - Xinrui Duan
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an Shaanxi Province 710119 P. R. China
| | - Shu Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences P. R. China
| | - Yanli Tang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an Shaanxi Province 710119 P. R. China
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102
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De La Cruz LK, Yang X, Menshikh A, Brewer M, Lu W, Wang M, Wang S, Ji X, Cachuela A, Yang H, Gallo D, Tan C, Otterbein L, de Caestecker M, Wang B. Adapting decarbonylation chemistry for the development of prodrugs capable of in vivo delivery of carbon monoxide utilizing sweeteners as carrier molecules. Chem Sci 2021; 12:10649-10654. [PMID: 34447558 PMCID: PMC8356820 DOI: 10.1039/d1sc02711e] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
Carbon monoxide as an endogenous signaling molecule exhibits pharmacological efficacy in various animal models of organ injury. To address the difficulty in using CO gas as a therapeutic agent for widespread applications, we are interested in developing CO prodrugs through bioreversible caging of CO in an organic compound. Specifically, we have explored the decarboxylation-decarbonylation chemistry of 1,2-dicarbonyl compounds. Examination and optimization of factors favorable for maximal CO release under physiological conditions led to organic CO prodrugs using non-calorific sweeteners as leaving groups attached to the 1,2-dicarbonyl core. Attaching a leaving group with appropriate properties promotes the desired hydrolysis-decarboxylation-decarbonylation sequence of reactions that leads to CO generation. One such CO prodrug was selected to recapitulate the anti-inflammatory effects of CO against LPS-induced TNF-α production in cell culture studies. Oral administration in mice elevated COHb levels to the safe and efficacious levels established in various preclinical and clinical studies. Furthermore, its pharmacological efficacy was demonstrated in mouse models of acute kidney injury. These studies demonstrate the potential of these prodrugs with benign carriers as orally active CO-based therapeutics. This represents the very first example of orally active organic CO prodrugs with a benign carrier that is an FDA-approved sweetener with demonstrated safety profiles in vivo.
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Affiliation(s)
| | - Xiaoxiao Yang
- Department of Chemistry, Georgia State University Atlanta GA 30303 USA
| | - Anna Menshikh
- Department of Medicine, Division of Nephrology, Vanderbilt University Medical Center Nashville TN 37232 USA
| | - Maya Brewer
- Department of Medicine, Division of Nephrology, Vanderbilt University Medical Center Nashville TN 37232 USA
| | - Wen Lu
- Department of Chemistry, Georgia State University Atlanta GA 30303 USA
| | - Minjia Wang
- Department of Pharmaceutics and Drug Delivery, University of Mississippi MS 38677 USA
| | - Siming Wang
- Department of Chemistry, Georgia State University Atlanta GA 30303 USA
| | - Xingyue Ji
- Department of Chemistry, Georgia State University Atlanta GA 30303 USA
| | - Alyssa Cachuela
- Department of Chemistry, Georgia State University Atlanta GA 30303 USA
| | - Haichun Yang
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center Nashville TN 37232 USA
| | - David Gallo
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School Boston MA 02115 USA
| | - Chalet Tan
- Department of Pharmaceutics and Drug Delivery, University of Mississippi MS 38677 USA
| | - Leo Otterbein
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School Boston MA 02115 USA
| | - Mark de Caestecker
- Department of Medicine, Division of Nephrology, Vanderbilt University Medical Center Nashville TN 37232 USA
| | - Binghe Wang
- Department of Chemistry, Georgia State University Atlanta GA 30303 USA
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103
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Gong W, Xia C, He Q. Therapeutic gas delivery strategies. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 14:e1744. [PMID: 34355863 DOI: 10.1002/wnan.1744] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/12/2021] [Accepted: 07/14/2021] [Indexed: 12/14/2022]
Abstract
Gas molecules with pharmaceutical effects offer emerging solutions to diseases. In addition to traditional medical gases including O2 and NO, more gases such as H2 , H2 S, SO2 , and CO have recently been discovered to play important roles in various diseases. Though some issues need to be addressed before clinical application, the increasing attention to gas therapy clearly indicates the potentials of these gases for disease treatment. The most important and difficult part of developing gas therapy systems is to transport gas molecules of high diffusibility and penetrability to interesting targets. Given the particular importance of gas molecule delivery for gas therapy, distinguished strategies have been explored to improve gas delivery efficiency and controllable gas release. Here, we summarize the strategies of therapeutic gas delivery for gas therapy, including direct gas molecule delivery by chemical and physical absorption, inorganic/organic/hybrid gas prodrugs, and natural/artificial/hybrid catalyst delivery for gas generation. The advantages and shortcomings of these gas delivery strategies are analyzed. On this basis, intelligent gas delivery strategies and catalysts use in future gas therapy are discussed. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease.
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Affiliation(s)
- Wanjun Gong
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China.,Guangdong Provincial Key Laboratory of Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Marshall Laboratory of Biomedical Engineering, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, China
| | - Chao Xia
- Guangdong Provincial Key Laboratory of Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Marshall Laboratory of Biomedical Engineering, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, China
| | - Qianjun He
- Guangdong Provincial Key Laboratory of Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Marshall Laboratory of Biomedical Engineering, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, China.,Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai, China
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104
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Mbenza NM, Nasarudin N, Vadakkedath PG, Patel K, Ismail AZ, Hanif M, Wright LJ, Sarojini V, Hartinger CG, Leung IKH. Carbon Monoxide is an Inhibitor of HIF Prolyl Hydroxylase Domain 2. Chembiochem 2021; 22:2521-2525. [PMID: 34137488 DOI: 10.1002/cbic.202100181] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/16/2021] [Indexed: 11/11/2022]
Abstract
Hypoxia-inducible factor prolyl hydroxylase domain 2 (PHD2) is an important oxygen sensor in animals. By using the CO-releasing molecule-2 (CORM-2) as an in situ CO donor, we demonstrate that CO is an inhibitor of PHD2. This report provides further evidence about the emerging role of CO in oxygen sensing and homeostasis.
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Affiliation(s)
- Naasson M Mbenza
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
- School of Biological Sciences, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Nawal Nasarudin
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
| | - Praveen G Vadakkedath
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Kamal Patel
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
| | - A Z Ismail
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
- Department of Chemistry, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Muhammad Hanif
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag, 92019, Victoria Street West, Auckland, 1142, New Zealand
| | - L James Wright
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
| | - Vijayalekshmi Sarojini
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Christian G Hartinger
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag, 92019, Victoria Street West, Auckland, 1142, New Zealand
| | - Ivanhoe K H Leung
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland, 1142, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag, 92019, Victoria Street West, Auckland, 1142, New Zealand
- School of Chemistry, The University of Melbourne, Parkville, VIC 3010, Australia
- Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, VIC 3010, Australia
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105
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Qiao S, Ma Y, He Y, Patimisco P, Sampaolo A, Spagnolo V. Ppt level carbon monoxide detection based on light-induced thermoelastic spectroscopy exploring custom quartz tuning forks and a mid-infrared QCL. OPTICS EXPRESS 2021; 29:25100-25108. [PMID: 34614848 DOI: 10.1364/oe.434128] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 07/13/2021] [Indexed: 06/13/2023]
Abstract
In this paper, we report on an ultra-highly sensitive light-induced thermoelastic spectroscopy (LITES)-based carbon monoxide (CO) sensor exploiting custom quartz tuning forks (QTFs) as a photodetector, a multi-pass cell and a mid-infrared quantum cascade laser (QCL) for the first time. The QCL emitting at 4.58 µm with output power of 145 mW was employed as exciting source and the multi-pass cell was employed to increase the gas absorption pathlength. To reduce the noise level, wavelength modulation spectroscopy (WMS) and second harmonic demodulation techniques were exploited. Three QTFs including two custom QTFs (#1 and #2) with different geometries and a commercial standard QTF (#3) were tested as photodetector in the gas sensor. When the integration time of the system was set at 200 ms, minimum detection limits (MDLs) of 750 part-per-trillion (ppt), 4.6 part-per-billion (ppb) and 5.8 ppb were achieved employing QTF #1 #2, and #3, respectively. A full sensor calibration was achieved using the most sensitive QTF#1, demonstrating an excellent linear response with CO concentration.
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106
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Verbeure W, van Goor H, Mori H, van Beek AP, Tack J, van Dijk PR. The Role of Gasotransmitters in Gut Peptide Actions. Front Pharmacol 2021; 12:720703. [PMID: 34354597 PMCID: PMC8329365 DOI: 10.3389/fphar.2021.720703] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 07/07/2021] [Indexed: 12/31/2022] Open
Abstract
Although gasotransmitters nitric oxide (NO), carbon monoxide (CO) and hydrogen sulfide (H2S) receive a bad connotation; in low concentrations these play a major governing role in local and systemic blood flow, stomach acid release, smooth muscles relaxations, anti-inflammatory behavior, protective effect and more. Many of these physiological processes are upstream regulated by gut peptides, for instance gastrin, cholecystokinin, secretin, motilin, ghrelin, glucagon-like peptide 1 and 2. The relationship between gasotransmitters and gut hormones is poorly understood. In this review, we discuss the role of NO, CO and H2S on gut peptide release and functioning, and whether manipulation by gasotransmitter substrates or specific blockers leads to physiological alterations.
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Affiliation(s)
- Wout Verbeure
- Translational Research Center for Gastrointestinal Disorders, KU Leuven, Leuven, Belgium
| | - Harry van Goor
- Departement of Endocrinology, University Medical Center Groningen, Groningen, Netherlands
| | - Hideki Mori
- Translational Research Center for Gastrointestinal Disorders, KU Leuven, Leuven, Belgium
| | - André P van Beek
- Departement of Endocrinology, University Medical Center Groningen, Groningen, Netherlands
| | - Jan Tack
- Translational Research Center for Gastrointestinal Disorders, KU Leuven, Leuven, Belgium
| | - Peter R van Dijk
- Departement of Endocrinology, University Medical Center Groningen, Groningen, Netherlands
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107
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Novakovic K, Bruk L, Temkin O. History, versatility and future prospects of oscillatory carbonylation reactions of alkynes. RSC Adv 2021; 11:24336-24344. [PMID: 35479017 PMCID: PMC9036888 DOI: 10.1039/d1ra03810a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 06/21/2021] [Indexed: 12/24/2022] Open
Abstract
The paper looks back at three decades of oscillatory carbonylation reactions, summarises core findings and shares perspectives, with particular emphasis on applications. Oscillatory carbonylation reactions of alkynes display remarkable versatility in terms of substrates, catalysts and solvents. Furthermore, in addition to oscillations in pH and redox potential, these organic chemical oscillators can yield oscillations in turbidity and release heat from the reaction in a pulsatile manner. Recent research developments shift attention from small molecule substrates (e.g. phenylacetylene) and small molecule catalysts (e.g. palladium(ii) iodide), to oscillatory carbonylation reactions using polymeric substrates (e.g. PEGylated alkynes) and polymeric catalysts (e.g. imine-functionalized chitosan-palladium) and use of these polymeric building blocks to develop oscillatory (pulsatile) materials fit for pulsatile drug release and other applications. The BT-GN reactions are versatile chemical oscillators, oscillating in pH, redox potential and turbidity, and releasing heat in a pulsatile manner. The reaction system has a potential to be coupled with intelligent materials and yield applications.![]()
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Affiliation(s)
- Katarina Novakovic
- School of Engineering, Newcastle University Newcastle upon Tyne NE1 7RU UK
| | - Lev Bruk
- MIREA-Russian Technological University (Lomonosov Institute of Fine Chemical Technologies) Moscow 119571 Russia
| | - Oleg Temkin
- MIREA-Russian Technological University (Lomonosov Institute of Fine Chemical Technologies) Moscow 119571 Russia
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108
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Takemoto M, Sakamoto H, Higashimoto Y, Taira J. Complex Formation of Heme Oxygenase-2 with Heme Is Competitively Inhibited by the Cytosolic Domain of Caveolin-1. Biochemistry 2021; 60:2300-2308. [PMID: 34223768 DOI: 10.1021/acs.biochem.1c00247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The mechanism and physiological functions of heme oxygenase-2 (HO-2)-mediated carbon monoxide (CO) production, accompanied by heme metabolism, have been studied intensively in recent years. The enzymatic activity of constitutively expressed HO-2 must be strictly controlled in terms of the toxicity and chemical stability of CO. In this study, the molecular interaction between HO-2 and caveolin-1 and its effect on HO action were evaluated. An enzyme kinetics assay with residues 82-101 of caveolin-1, also called the caveolin scaffold domain, inhibited HO-2 activity in a competitive manner. Analytical ultracentrifugation and a hemin titration assay suggested that the inhibitory effect was generated by direct binding of caveolin-1 to aromatic residues, which were defined as components of the caveolin-binding motif in the HO-2 heme pocket. Herein, we developed a HO-2-based fluorescence bioprobe, namely EGFP-Δ19/D159H, which was capable of quantifying heme binding by HO-2 as the initial step in the CO production. The fluorescence of EGFP-Δ19/D159H decreased in accordance with 5-aminolevulinic acid-facilitated heme biosynthesis in COS-7 cells. In contrast, expression of the N-terminal cytosolic domain of caveolin-1 (residues 1-101) increased the probe fluorescence, suggesting that the cytosolic domain of caveolin-1 potently inhibits the binding of heme to the heme pocket of EGFP-Δ19/D159H. Taken together, our results suggest that caveolin-1 is a negative regulator of HO-2 enzymatic action. Moreover, our bioprobe EGFP-Δ19/D159H represents a powerful tool for use in future studies addressing HO-2-mediated CO production.
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Affiliation(s)
- Misaki Takemoto
- Department of Bioscience and Bioinformatics, Graduate School of Computer Science and Systems Engineering, Kyushu Institute of Technology, Iizuka 820-8502, Japan
| | - Hiroshi Sakamoto
- Department of Bioscience and Bioinformatics, Graduate School of Computer Science and Systems Engineering, Kyushu Institute of Technology, Iizuka 820-8502, Japan
| | - Yuichiro Higashimoto
- Department of Chemistry, Kurume University School of Medicine, Kurume 830-0011, Japan
| | - Junichi Taira
- Department of Bioscience and Bioinformatics, Graduate School of Computer Science and Systems Engineering, Kyushu Institute of Technology, Iizuka 820-8502, Japan.,Department of Chemistry, Kurume University School of Medicine, Kurume 830-0011, Japan
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109
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Li W, Li R, Chen R, Liang X, Song W, Lin W. Activatable Photoacoustic Probe for In Situ Imaging of Endogenous Carbon Monoxide in the Murine Inflammation Model. Anal Chem 2021; 93:8978-8985. [PMID: 34130460 DOI: 10.1021/acs.analchem.1c01568] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Photoacoustic (PA) imaging is an emerging biomedical imaging modality that combines the advantages of optical and ultrasound imaging. Carbon monoxide (CO), which is a vital endogenous cell-signaling molecule in the human body, exerts critical physiological functions such as anti-inflammatory, antiapoptotic, and antiproliferative. The imbalance of CO homeostasis is also associated with numerous diseases. Therefore, it is critically important to noninvasively monitor the steady-state changes of CO in vivo. However, the activatable photoacoustic (PA) probes for detecting CO-associated complicated diseases have not yet developed. In this work, we developed the first turn-on PA probe (MTR-CO) to visualize the CO level in the lipopolysaccharide (LPS)-induced acute inflammation murine model through PA imaging technology. MTR-CO is composed of a near-infrared absorption cyanine-like dye (MTR-OH) and allyl formate, showing a 10.2-fold PA signal enhancement at 690 nm upon activation by CO. Furthermore, the results revealed that MTR-CO has high sensitivity, excellent specificity, and good biocompatibility for CO in vivo. MTR-CO was then applied for PA imaging of CO in cells and for monitoring the development of acute inflammation in the murine model by tracking the changes of the CO level. These findings provide a promising strategy for accurately detecting the steady-state changes of CO in living organisms.
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Affiliation(s)
- Wenxiu Li
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
| | - Rong Li
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
| | - Rui Chen
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
| | - Xing Liang
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
| | - Wenhui Song
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
| | - Weiying Lin
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
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110
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Mir JM, Maurya RC, Khan MW. NO, CO and H2S based pharmaceuticals in the mission of vision (eye health): a comprehensive review. REV INORG CHEM 2021. [DOI: 10.1515/revic-2021-0009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Abstract
A set of well defined signaling molecules responsible for normal functioning of human physiology including nitric oxide along with carbon monoxide and hydrogen sulphide are referred as “gasotransmitters”. Due to their involvement in almost every system of a human body, the care of highly sensitive organs using these molecules as drugs represents highly fascinating area of research. In connection with these interesting aspects, the applied aspects of these gaseous molecules in maintaining healthy eye and vision have been targeted in this review. Several examples of eye-droppers including NORMs like latanoprost and nipradiol, CORMs like CORM-3 and CORM-A1, and Hydrogen sulfide releasing system like GYY4137 have been discussed in this context. Therefore the relation of these trio-gasotransmitters with the ophthalmic homeostasis on one hand, and de-infecting role on the other hand has been mainly highlighted. Some molecular systems capable of mimicking gasotransmitter action have also been introduced in connection with the titled theme.
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Affiliation(s)
- Jan Mohammad Mir
- Coordination, Bioinorganic and Computational Chemistry Laboratory, Department of P.G. Studies and Research in Chemistry and Pharmacy , Rani Durgavati University , Jabalpur , M.P. , India
- Department of Chemistry , Islamic University of Science and Technology , Awantipora , J&K 192122 , India
| | - Ram Charitra Maurya
- Coordination, Bioinorganic and Computational Chemistry Laboratory, Department of P.G. Studies and Research in Chemistry and Pharmacy , Rani Durgavati University , Jabalpur , M.P. , India
| | - Mohd Washid Khan
- Coordination, Bioinorganic and Computational Chemistry Laboratory, Department of P.G. Studies and Research in Chemistry and Pharmacy , Rani Durgavati University , Jabalpur , M.P. , India
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111
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Nowaczyk A, Kowalska M, Nowaczyk J, Grześk G. Carbon Monoxide and Nitric Oxide as Examples of the Youngest Class of Transmitters. Int J Mol Sci 2021; 22:ijms22116029. [PMID: 34199647 PMCID: PMC8199767 DOI: 10.3390/ijms22116029] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/29/2021] [Accepted: 05/31/2021] [Indexed: 12/27/2022] Open
Abstract
The year 2021 is the 100th anniversary of the confirmation of the neurotransmission phenomenon by Otto Loewi. Over the course of the hundred years, about 100 neurotransmitters belonging to many chemical groups have been discovered. In order to celebrate the 100th anniversary of the confirmation of neurotransmitters, we present an overview of the first two endogenous gaseous transmitters i.e., nitric oxide, and carbon monoxide, which are often termed as gasotransmitters.
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Affiliation(s)
- Alicja Nowaczyk
- Department of Organic Chemistry, Faculty of Pharmacy, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 2 dr. A. Jurasza St., 85-094 Bydgoszcz, Poland;
- Correspondence: ; Tel.: +48-52-585-3904
| | - Magdalena Kowalska
- Department of Organic Chemistry, Faculty of Pharmacy, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 2 dr. A. Jurasza St., 85-094 Bydgoszcz, Poland;
| | - Jacek Nowaczyk
- Department of Physical Chemistry and Physicochemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarina St., 87-100 Toruń, Poland;
| | - Grzegorz Grześk
- Department of Cardiology and Clinical Pharmacology, Faculty of Health Sciences, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, 75 Ujejskiego St., 85-168 Bydgoszcz, Poland;
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112
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Yang X, Lu W, Hopper CP, Ke B, Wang B. Nature's marvels endowed in gaseous molecules I: Carbon monoxide and its physiological and therapeutic roles. Acta Pharm Sin B 2021; 11:1434-1445. [PMID: 34221861 PMCID: PMC8245769 DOI: 10.1016/j.apsb.2020.10.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 08/03/2020] [Accepted: 09/07/2020] [Indexed: 02/08/2023] Open
Abstract
Nature has endowed gaseous molecules such as O2, CO2, CO, NO, H2S, and N2 with critical and diverse roles in sustaining life, from supplying energy needed to power life and building blocks for life's physical structure to mediating and coordinating cellular functions. In this article, we give a brief introduction of the complex functions of the various gaseous molecules in life and then focus on carbon monoxide as a specific example of an endogenously produced signaling molecule to highlight the importance of this class of molecules. The past twenty years have seen much progress in understanding CO's mechanism(s) of action and pharmacological effects as well as in developing delivery methods for easy administration. One remarkable trait of CO is its pleiotropic effects that have few parallels, except perhaps its sister gaseous signaling molecules such as nitric oxide and hydrogen sulfide. This review will delve into the sophistication of CO-mediated signaling as well as its validated pharmacological functions and possible therapeutic applications.
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Affiliation(s)
- Xiaoxiao Yang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Wen Lu
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Christopher P. Hopper
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
- Institut für Experimentelle Biomedizin, Universitätsklinikum Würzburg, Würzburg, Bavaria 97080, Germany
| | - Bowen Ke
- Department of Anesthesiology, West China Hospital, Chengdu 610041, China
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
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113
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Tian Y, Jiang WL, Wang WX, Peng J, Li XM, Li Y, Li CY. The construction of a near-infrared fluorescent probe with dual advantages for imaging carbon monoxide in cells and in vivo. Analyst 2021; 146:118-123. [PMID: 33089835 DOI: 10.1039/d0an01719a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
As a kind of toxic gas, carbon monoxide (CO) can hinder uptake of oxygen in humans. However, more and more studies have shown that CO is an important gaseous messenger in the body and playing an indispensable role in intracellular signaling pathways. So, it is necessary to develop an analytical method to study CO in living organisms. Although there are many CO-responsive probes, most of them have the disadvantages of a small Stokes shift or short emission wavelength. In order to address the above issue, a novel probe (FDX-CO) with a large Stokes shift (190 nm) and long emission wavelength (770 nm) was firstly synthesized to detect CO. The probe shows high sensitivity and superior selectivity toward CO. Moreover, the probe was successfully used for visualizing exogenous and endogenous CO in cells by fluorescence imaging, 3D quantification analysis and flow cytometric analysis. More importantly, FDX-CO could excellently detect CO in mice, which suggests that this probe has the potential ability to image CO in vivo. This probe can be viewed as a useful tool in the research of CO.
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Affiliation(s)
- Yang Tian
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, PR China.
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114
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Silva AF, Calhau IB, Gomes AC, Valente AA, Gonçalves IS, Pillinger M. A hafnium-based metal-organic framework for the entrapment of molybdenum hexacarbonyl and the light-responsive release of the gasotransmitter carbon monoxide. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 124:112053. [PMID: 33947547 DOI: 10.1016/j.msec.2021.112053] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/12/2021] [Accepted: 03/20/2021] [Indexed: 12/11/2022]
Abstract
A carbon monoxide-releasing material (CORMA) has been prepared by inclusion of molybdenum hexacarbonyl in a hafnium-based metal-organic framework (MOF) with the UiO-66 architecture. Mo(CO)6 was adsorbed from solution to give supported materials containing 6.0-6.6 wt% Mo. As confirmed by powder X-ray diffraction (PXRD) and SEM coupled with energy dispersive X-ray spectroscopy, neither the crystallinity nor the morphology of the porous host was affected by the loading process. While the general shape of the N2 physisorption isotherms (77 K) did not change significantly after encapsulation of Mo(CO)6, the micropore volume decreased by ca. 20%. Thermogravimetric analysis of the as-prepared materials revealed a weight loss step around 160 °C associated with the decomposition of Mo(CO)6 to subcarbonyl species. Confirmation for the presence of encapsulated Mo(CO)6 complexes was provided by FT-IR and 13C{1H} cross-polarization magic-angle spinning NMR spectroscopies. To test the capability of these materials to behave as CORMAs and transfer CO to heme proteins, the standard myoglobin (Mb) assay was used. While stable in the dark, photoactivation with low-power UV light (365 nm) liberated CO from the encapsulated hexacarbonyl molecules in Mo(6.0)/UiO-66(Hf), leading to a maximum amount of 0.26 mmol CO released per gram of material. Under the simulated physiological conditions of the Mb assay (37 °C, pH 7.4 buffer), minimal leaching of molybdenum occurred, PXRD showed only slight amorphization, and FT-IR spectroscopy confirmed the high chemical stability of the MOF host.
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Affiliation(s)
- Andreia F Silva
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Isabel B Calhau
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Ana C Gomes
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Anabela A Valente
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Isabel S Gonçalves
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Martyn Pillinger
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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115
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Danielak A, Wallace JL, Brzozowski T, Magierowski M. Gaseous Mediators as a Key Molecular Targets for the Development of Gastrointestinal-Safe Anti-Inflammatory Pharmacology. Front Pharmacol 2021; 12:657457. [PMID: 33995080 PMCID: PMC8116801 DOI: 10.3389/fphar.2021.657457] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/23/2021] [Indexed: 12/14/2022] Open
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) represent one of the most widely used classes of drugs and play a pivotal role in the therapy of numerous inflammatory diseases. However, the adverse effects of these drugs, especially when applied chronically, frequently affect gastrointestinal (GI) tract, resulting in ulceration and bleeding, which constitutes a significant limitation in clinical practice. On the other hand, it has been recently discovered that gaseous mediators nitric oxide (NO), hydrogen sulfide (H2S) and carbon monoxide (CO) contribute to many physiological processes in the GI tract, including the maintenance of GI mucosal barrier integrity. Therefore, based on the possible therapeutic properties of NO, H2S and CO, a novel NSAIDs with ability to release one or more of those gaseous messengers have been synthesized. Until now, both preclinical and clinical studies have shown promising effects with respect to the anti-inflammatory potency as well as GI-safety of these novel NSAIDs. This review provides an overview of the gaseous mediators-based NSAIDs along with their mechanisms of action, with special emphasis on possible implications for GI mucosal defense mechanisms.
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Affiliation(s)
- Aleksandra Danielak
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - John L Wallace
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada
| | - Tomasz Brzozowski
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Marcin Magierowski
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
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Tikum AF, Lim W, Fortibui MM, Lee S, Park S, Kim J. Palladium Probe Consisting of Naphthalimide and Ethylenediamine for Selective Turn-On Sensing of CO and Cell Imaging. Inorg Chem 2021; 60:7108-7114. [PMID: 33904727 DOI: 10.1021/acs.inorgchem.1c00091] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An assay to detect carbon monoxide (CO), one of the gaseous signaling molecules, has been prepared using a new palladium complex probe. The ethylenediamine group linked to the naphthalimide fluorophore coordinates to Pd(II) which intramolecularly quenches the emission. Upon treatment with CO, the absorbance of the turn-on fluorescent sensor changes due to the formation of a complex between Pd(II) and CO at room temperature in a phosphate buffer. As the concentration of CO increases, the probe peak emission intensity at 527 nm gradually increases. Other analyte controls, such as K+, Mg2+, Al3+, Zn2+, Cr3+, Hg2+, Fe3+, alanine, glycine, leucine, lysine, serine, threonine, tyrosine, F-, Cl-, Br-, NO, NO2-, NO3-, HCO3-, CH3COO-, H2O2, •OH, and tBuOO•, exhibit no significant effect on emission intensity. The response time of the probe to CO was quite fast because of the relatively weak coordination of Pd(II) to the pendent ethylenediamine group. The Pd probe is capable of detecting CO in aqueous buffer as well as in living cells with high selectivity and stability, providing a potential real-time indicator for studying CO-involved reactions in biological systems.
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Affiliation(s)
- Anjong Florence Tikum
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, Korea
| | - Wanyoung Lim
- Department of Global Biomedical Engineering, Sungkyunkwan University, Suwon 16419, Korea
| | - Maxine Mambo Fortibui
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, Korea
| | - Sohyun Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, Korea
| | - Sungsu Park
- Department of Global Biomedical Engineering, Sungkyunkwan University, Suwon 16419, Korea.,School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Korea
| | - Jinheung Kim
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, Korea
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117
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Feng Y, Prokosch V, Liu H. Current Perspective of Hydrogen Sulfide as a Novel Gaseous Modulator of Oxidative Stress in Glaucoma. Antioxidants (Basel) 2021; 10:antiox10050671. [PMID: 33925849 PMCID: PMC8146617 DOI: 10.3390/antiox10050671] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/20/2021] [Accepted: 04/23/2021] [Indexed: 12/16/2022] Open
Abstract
Glaucoma is a group of diseases characterized by the progressive loss of retinal ganglion cells and their axons. Elevated intraocular pressure (IOP) is the main clinical manifestation of glaucoma. Despite being in the focus of the studies for decades, the characteristic and the exact pathology of neurodegeneration in glaucoma remains unclear. Oxidative stress is believed to be one of the main risk factors in neurodegeneration, especially its damage to the retinal ganglion cells. Hydrogen sulfide (H2S), the recently recognized gas signaling molecule, plays a pivotal role in the nervous system, vascular system, and immune system. It has also shown properties in regulating oxidative stress through different pathways in vivo. In this review, we summarize the distribution and the properties of H2S within the eye with an emphasis on its role in modulating oxidative stress in glaucoma.
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Affiliation(s)
| | | | - Hanhan Liu
- Correspondence: ; Tel.: +49-(0)-221-478-96996
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118
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Metal-organic frameworks for therapeutic gas delivery. Adv Drug Deliv Rev 2021; 171:199-214. [PMID: 33561450 DOI: 10.1016/j.addr.2021.02.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 12/16/2022]
Abstract
Nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S) are gaseous signaling molecules (gasotransmitters) that regulate both physiological and pathological processes and offer therapeutic potential for the treatment of many diseases, such as cancer, cardiovascular disease, renal disease, bacterial and viral infections. However, the inherent labile nature of therapeutic gases results in difficulties in direct gases administration and their controlled delivery at clinically relevant ranges. Metal-organic frameworks (MOFs) with highly porous, stable, and easy-to-tailor properties have shown promising therapeutic gas delivery potential. Herein, we highlight the recent advances of MOF-based platforms for therapeutic gas delivery, either by endogenous (i.e., direct transfer of gases to targets) or exogenous (i.e., stimulating triggered release of gases) means. Reports that involve in vitro and/or in vivo studies are highlighted due to their high potential for clinical translation. Current challenges for clinical requirements and possible future innovative designs to meet variable healthcare needs are discussed.
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119
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Zhou E, Gong S, Xia Q, Feng G. In Vivo Imaging and Tracking Carbon Monoxide-Releasing Molecule-3 with an NIR Fluorescent Probe. ACS Sens 2021; 6:1312-1320. [PMID: 33576235 DOI: 10.1021/acssensors.0c02624] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
As a water-soluble carbon monoxide-releasing molecule, CORM-3 is widely used as a CO donor to study CO in the life system. CORM-3 can also replace gaseous CO as a therapeutic drug molecule to reveal the physiological and pathological effects of CO in life. Therefore, it is of great importance to visualize and track CORM-3 in the life system. We develop herein a near-infrared (NIR) fluorescent probe CORM3-NIR that can detect CORM-3 both in living cells and in vivo effectively. The probe is based on the unique fluorescent QCy7 and uses a 4-nitrobenzyl group to trap CORM-3, and importantly, it shows good water solubility and responds rapidly, selectively, and sensitively to CORM-3, releasing QCy-7 and producing distinct colorimetric and significant NIR fluorescence change signals at 743 nm. The Stokes shift is up to 81 nm. The probe is also able to detect CORM-3 ratiometrically with fluorescence at 743 and 600 nm. Besides, with low cytotoxicity, the probe also shows good NIR fluorescence bioimaging ability for CORM-3 in live cells and mice, which indicates that CORM3-NIR is an effective probe for tracking and studying CORM-3 in the life system.
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Affiliation(s)
- Enbo Zhou
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan 430079, P. R. China
| | - Shengyi Gong
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan 430079, P. R. China
| | - Qingfeng Xia
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan 430079, P. R. China
| | - Guoqiang Feng
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan 430079, P. R. China
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120
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Němeček D, Chmelikova E, Petr J, Kott T, Sedmíková M. The effect of carbon monoxide on meiotic maturation of porcine oocytes. PeerJ 2021; 9:e10636. [PMID: 33828903 PMCID: PMC7996072 DOI: 10.7717/peerj.10636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 12/02/2020] [Indexed: 11/20/2022] Open
Abstract
Oxidative stress impairs the correct course of meiotic maturation, and it is known that the oocytes are exposed to increased oxidative stress during meiotic maturation in in vitro conditions. Thus, reduction of oxidative stress can lead to improved quality of cultured oocytes. The gasotransmitter carbon monoxide (CO) has a cytoprotective effect in somatic cells. The CO is produced in cells by the enzyme heme oxygenase (HO) and the heme oxygenase/carbon monoxide (HO/CO) pathway has been shown to have an antioxidant effect in somatic cells. It has not yet been investigated whether the CO has an antioxidant effect in oocytes as well. We assessed the level of expression of HO mRNA, using reverse transcription polymerase chain reaction. The HO protein localization was evaluated by the immunocytochemical method. The influence of CO or HO inhibition on meiotic maturation was evaluated in oocytes cultured in a culture medium containing CO donor (CORM-2 or CORM-A1) or HO inhibitor Zn-protoporphyrin IX (Zn-PP IX). Detection of reactive oxygen species (ROS) was performed using the oxidant-sensing probe 2′,7′-dichlorodihydrofluorescein diacetate. We demonstrated the expression of mRNA and proteins of both HO isoforms in porcine oocytes during meiotic maturation. The inhibition of HO enzymes by Zn-PP IX did not affect meiotic maturation. CO delivered by CORM-2 or CORM-A1 donors led to a reduction in the level of ROS in the oocytes during meiotic maturation. However, exogenously delivered CO also inhibited meiotic maturation, especially at higher concentrations. In summary, the CO signaling molecule has antioxidant properties in porcine oocytes and may also be involved in the regulation of meiotic maturation.
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Affiliation(s)
- David Němeček
- Department of Veterinary Sciences, Czech University of Life Sciences, Prague, Czech Republic
| | - Eva Chmelikova
- Department of Veterinary Sciences, Czech University of Life Sciences, Prague, Czech Republic
| | - Jaroslav Petr
- Institute of Animal Science, Uhřiněves, Czech Republic
| | - Tomas Kott
- Institute of Animal Science, Uhřiněves, Czech Republic
| | - Markéta Sedmíková
- Department of Veterinary Sciences, Czech University of Life Sciences, Prague, Czech Republic
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121
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Yuan Z, Yang X, Ye Y, Tripathi R, Wang B. Chemical Reactivities of Two Widely Used Ruthenium-Based CO-Releasing Molecules with a Range of Biologically Important Reagents and Molecules. Anal Chem 2021; 93:5317-5326. [PMID: 33745269 DOI: 10.1021/acs.analchem.1c00533] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Ruthenium-based CO-releasing molecules (CO-RMs), CORM-2 and CORM-3, have been widely used as surrogates of CO for studying its biological effects in vitro and in vivo with much success. However, several previous solution-phase and in vitro studies have revealed the ability of such CO-RMs to chemically modify proteins and reduce aromatic nitro groups due to their intrinsic chemical reactivity under certain conditions. In our own work of studying the cytoprotective effects of CO donors, we were in need of assessing chemical factors that could impact the interpretation of results from CO donors including CORM-2,3 in various in vitro assays. For this, we examined the effects of CORM-2,3 toward representative reagents commonly used in various bioassays including resazurin, tetrazolium salts, nitrites, and azide-based H2S probes. We have also examined the effect of CORM-2,3 on glutathione disulfide (GSSG), which is a very important redox regulator. Our studies show the ability of these CO-RMs to induce a number of chemical and/or spectroscopic changes for several commonly used biological reagents under near-physiological conditions. These reactions/spectroscopic changes cannot be duplicated with CO-deleted CO-RMs (iCORMs), which are often used as negative controls. Furthermore, both CORM-2 and -3 are capable of consuming and reducing GSSG in solution. We hope that the results described will help in the future design of control experiments using Ru-based CO-RMs.
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Affiliation(s)
- Zhengnan Yuan
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Xiaoxiao Yang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Yuqian Ye
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Ravi Tripathi
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
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122
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Pałasz A, Menezes IC, Worthington JJ. The role of brain gaseous neurotransmitters in anxiety. Pharmacol Rep 2021; 73:357-371. [PMID: 33713315 PMCID: PMC7994231 DOI: 10.1007/s43440-021-00242-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 02/12/2021] [Accepted: 02/20/2021] [Indexed: 12/14/2022]
Abstract
Although anxiety is perhaps one of the most significant current medical and social problems, the neurochemical mechanistic background of this common condition remains to be fully understood. Multifunctional regulatory gasotransmitters are novel, atypical inorganic factors of the brain that are involved in the mechanisms of anxiety responses. Nitric oxide (NO) signaling shows ambiguous action in animal models of anxiety, while NO donors exert anxiogenic or anxiolytic effect depending on their chemical structure, dose, treatment schedule and gas release rapidity. The majority of NO synthase inhibitors act as a relatively potent axiolytic agents, while hydrogen sulfide (H2S) and carbon monoxide (CO) delivered experimentally in the form of "slow" or "fast" releasing donors have recently been considered as anxiolytic neurotransmitters. In this comprehensive review we critically summarize the literature regarding the intriguing roles of NO, H2S and CO in the neuromolecular mechanisms of anxiety in the context of their putative, yet promising therapeutic application. A possible mechanism of gasotransmitter action at the level of anxiety-related synaptic transmission is also presented. Brain gasesous neuromediators urgently require further wide ranging studies to clarify their potential value for the current neuropharmacology of anxiety disorders.
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Affiliation(s)
- Artur Pałasz
- Department of Histology, School of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 18, 40-752, Katowice, Poland.
| | - Itiana Castro Menezes
- Department of Neurosciences and Behavior, Faculty of Medicine, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - John J Worthington
- Division of Biomedical and Life Sciences, Faculty of Health and Medicine, Lancaster University, Lancaster, LA1 4YQ, UK
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123
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A new naphthalimide-Pd(II) complex as a light-up fluorescent chemosensor for selective detection of carbon monoxide in aqueous medium. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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124
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Martínez-Casales M, Hernanz R, Alonso MJ. Vascular and Macrophage Heme Oxygenase-1 in Hypertension: A Mini-Review. Front Physiol 2021; 12:643435. [PMID: 33716792 PMCID: PMC7952647 DOI: 10.3389/fphys.2021.643435] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 02/01/2021] [Indexed: 11/13/2022] Open
Abstract
Hypertension is one predictive factor for stroke and heart ischemic disease. Nowadays, it is considered an inflammatory disease with elevated cytokine levels, oxidative stress, and infiltration of immune cells in several organs including heart, kidney, and vessels, which contribute to the hypertension-associated cardiovascular damage. Macrophages, the most abundant immune cells in tissues, have a high degree of plasticity that is manifested by polarization in different phenotypes, with the most well-known being M1 (proinflammatory) and M2 (anti-inflammatory). In hypertension, M1 phenotype predominates, producing inflammatory cytokines and oxidative stress, and mediating many mechanisms involved in the pathogenesis of this disease. The increase in the renin-angiotensin system and sympathetic activity contributes to the macrophage mobilization and to its polarization to the pro-inflammatory phenotype. Heme oxygenase-1 (HO-1), a phase II detoxification enzyme responsible for heme catabolism, is induced by oxidative stress, among others. HO-1 has been shown to protect against oxidative and inflammatory insults in hypertension, reducing end organ damage and blood pressure, not only by its expression at the vascular level, but also by shifting macrophages toward the anti-inflammatory phenotype. The regulatory role of heme availability for the synthesis of enzymes involved in hypertension development, such as cyclooxygenase or nitric oxide synthase, seems to be responsible for many of the beneficial HO-1 effects; additionally, the antioxidant, anti-inflammatory, antiapoptotic, and antiproliferative effects of the end products of its reaction, carbon monoxide, biliverdin/bilirubin, and Fe2+, would also contribute. In this review, we analyze the role of HO-1 in hypertensive pathology, focusing on its expression in macrophages.
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Affiliation(s)
- Marta Martínez-Casales
- Depto. de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Alcorcón, Spain
| | - Raquel Hernanz
- Depto. de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Alcorcón, Spain.,Centro de Investigación en Red en Enfermedades Cardiovasculares (CIBER-CV), Madrid, Spain
| | - María J Alonso
- Depto. de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Alcorcón, Spain.,Centro de Investigación en Red en Enfermedades Cardiovasculares (CIBER-CV), Madrid, Spain
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125
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Bacteria and Metabolic Potential in Karst Caves Revealed by Intensive Bacterial Cultivation and Genome Assembly. Appl Environ Microbiol 2021; 87:AEM.02440-20. [PMID: 33452024 DOI: 10.1128/aem.02440-20] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 01/05/2021] [Indexed: 12/26/2022] Open
Abstract
Karst caves are widely distributed subsurface systems, and the microbiomes therein are proposed to be the driving force for cave evolution and biogeochemical cycling. In past years, culture-independent studies on the microbiomes of cave systems have been conducted, yet intensive microbial cultivation is still needed to validate the sequence-derived hypothesis and to disclose the microbial functions in cave ecosystems. In this study, the microbiomes of two karst caves in Guizhou Province in southwest China were examined. A total of 3,562 bacterial strains were cultivated from rock, water, and sediment samples, and 329 species (including 14 newly described species) of 102 genera were found. We created a cave bacterial genome collection of 218 bacterial genomes from a karst cave microbiome through the extraction of 204 database-derived genomes and de novo sequencing of 14 new bacterial genomes. The cultivated genome collection obtained in this study and the metagenome data from previous studies were used to investigate the bacterial metabolism and potential involvement in the carbon, nitrogen, and sulfur biogeochemical cycles in the cave ecosystem. New N2-fixing Azospirillum and alkane-oxidizing Oleomonas species were documented in the karst cave microbiome. Two pcaIJ clusters of the β-ketoadipate pathway that were abundant in both the cultivated microbiomes and the metagenomic data were identified, and their representatives from the cultivated bacterial genomes were functionally demonstrated. This large-scale cultivation of a cave microbiome represents the most intensive collection of cave bacterial resources to date and provides valuable information and diverse microbial resources for future cave biogeochemical research.IMPORTANCE Karst caves are oligotrophic environments that are dark and humid and have a relatively stable annual temperature. The diversity of bacteria and their metabolisms are crucial for understanding the biogeochemical cycling in cave ecosystems. We integrated large-scale bacterial cultivation with metagenomic data mining to explore the compositions and metabolisms of the microbiomes in two karst cave systems. Our results reveal the presence of a highly diversified cave bacterial community, and 14 new bacterial species were described and their genomes sequenced. In this study, we obtained the most intensive collection of cultivated microbial resources from karst caves to date and predicted the various important routes for the biogeochemical cycling of elements in cave ecosystems.
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Zhang Y, Tang Y, Kong X, Lin W. An endoplasmic reticulum targetable turn-on fluorescence probe for imaging application of carbon monoxide in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 247:119150. [PMID: 33188972 DOI: 10.1016/j.saa.2020.119150] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 10/23/2020] [Accepted: 10/26/2020] [Indexed: 06/11/2023]
Abstract
Carbon monoxide (CO) is a significant mediator in regulating endoplasmic reticulum (ER) stress, and its level may play a potential role in the treatment of vascular diseases combined with ER stress. In-situ visualization of CO in the ER helps to elucidate its physiological and pathological mechanistic behavior. Herein, a novel CO fluorescent probe (Na-CM-ER) with ER-targeting characteristics was structured. Na-CM-ER with naphthalimide as a fluorescent group, under the trigger of CO, an ICT (Intramolecular Charge Transfer) mechanism was constructed by converting a nitro group to an amino group and showed dazzling green fluorescence. Na-CM-ER exhibited satisfactory response speed, selectivity, photo-stability and sensitivity to CO in vitro. Furthermore, biological imaging experiments demonstrated that Na-CM-ER could monitor the changes of exogenous/endogenous CO in living cells and possess an ER-targeting property. To sum up, we hope that Na-CM-ER can be as a serviceable molecular tool for imaging CO in cellular ER.
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Affiliation(s)
- Yunyan Zhang
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, PR China
| | - Yonghe Tang
- Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, PR China
| | - Xiuqi Kong
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, PR China
| | - Weiying Lin
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, PR China; Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, PR China.
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Bakalarz D, Surmiak M, Yang X, Wójcik D, Korbut E, Śliwowski Z, Ginter G, Buszewicz G, Brzozowski T, Cieszkowski J, Głowacka U, Magierowska K, Pan Z, Wang B, Magierowski M. Organic carbon monoxide prodrug, BW-CO-111, in protection against chemically-induced gastric mucosal damage. Acta Pharm Sin B 2021; 11:456-475. [PMID: 33643824 PMCID: PMC7893125 DOI: 10.1016/j.apsb.2020.08.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/18/2020] [Accepted: 07/17/2020] [Indexed: 02/07/2023] Open
Abstract
Metal-based carbon monoxide (CO)-releasing molecules have been shown to exert anti-inflammatory and anti-oxidative properties maintaining gastric mucosal integrity. We are interested in further development of metal-free CO-based therapeutics for oral administration. Thus, we examine the protective effect of representative CO prodrug, BW-CO-111, in rat models of gastric damage induced by necrotic ethanol or aspirin, a representative non-steroidal anti-inflammatory drug. Treatment effectiveness was assessed by measuring the microscopic/macroscopic gastric damage area and gastric blood flow by laser flowmetry. Gastric mucosal mRNA and/or protein expressions of HMOX1, HMOX2, nuclear factor erythroid 2-related factor 2, COX1, COX2, iNos, Anxa1 and serum contents of TGFB1, TGFB2, IL1B, IL2, IL4, IL5, IL6, IL10, IL12, tumor necrosis factor α, interferon γ, and GM-CSF were determined. CO content in gastric mucosa was assessed by gas chromatography. Pretreatment with BW-CO-111 (0.1 mg/kg, i.g.) increased gastric mucosal content of CO and reduced gastric lesions area in both models followed by increased GBF. These protective effects of the CO prodrug were supported by changes in expressions of molecular biomarkers. However, because the pathomechanisms of gastric damage differ between topical administration of ethanol and aspirin, the possible protective and anti-inflammatory mechanisms of BW-CO-111 may be somewhat different in these models.
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Affiliation(s)
- Dominik Bakalarz
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
- Department of Forensic Toxicology, Institute of Forensic Research, Cracow 31-033, Poland
| | - Marcin Surmiak
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
- Department of Internal Medicine, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Xiaoxiao Yang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Dagmara Wójcik
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Edyta Korbut
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Zbigniew Śliwowski
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Grzegorz Ginter
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Grzegorz Buszewicz
- Department of Forensic Medicine, Medical University of Lublin, Lublin 20-093, Poland
| | - Tomasz Brzozowski
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Jakub Cieszkowski
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Urszula Głowacka
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Katarzyna Magierowska
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Zhixiang Pan
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
- Corresponding authors.
| | - Marcin Magierowski
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
- Corresponding authors.
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Jiang WL, Wang WX, Mao GJ, Yan L, Du Y, Li Y, Li CY. Construction of NIR and Ratiometric Fluorescent Probe for Monitoring Carbon Monoxide under Oxidative Stress in Zebrafish. Anal Chem 2021; 93:2510-2518. [DOI: 10.1021/acs.analchem.0c04537] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Wen-Li Jiang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
| | - Wen-Xin Wang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
| | - Guo-Jiang Mao
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, P. R. China
| | - Ling Yan
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
| | - Yan Du
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
| | - Yongfei Li
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, P. R. China
| | - Chun-Yan Li
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
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129
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Yang XX, Ke BW, Lu W, Wang BH. CO as a therapeutic agent: discovery and delivery forms. Chin J Nat Med 2021; 18:284-295. [PMID: 32402406 DOI: 10.1016/s1875-5364(20)30036-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Indexed: 02/08/2023]
Abstract
Carbon monoxide (CO) as one of the three important endogenously produced signaling molecules, termed as "gasotransmitter," has emerged as a promising therapeutic agent for treating various inflammation and cellular-stress related diseases. In this review, we discussed CO's evolution from a well-recognized toxic gas to a signaling molecule, and the effort to develop different approaches to deliver it for therapeutic application. We also summarize recently reported chemistry towards different CO delivery forms.
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Affiliation(s)
- Xiao-Xiao Yang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta GA 30303, USA
| | - Bo-Wen Ke
- Department of Anesthesiology, West China Hospital, Chengdu 610000, China
| | - Wen Lu
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta GA 30303, USA
| | - Bing-He Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta GA 30303, USA.
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130
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Abstract
This review aimed to provide an overview of the characterisation of indoor air quality (IAQ) during the sleeping period, based only on real life conditions’ studies where, at least, one air pollutant was considered. Despite the consensual complexity of indoor air, when focusing on sleeping environments, the available scientific literature is still scarce and falls to provide a multipollutants’ characterisation of the air breathed during sleep. This review, following PRISMA’s approach, identified a total of 22 studies that provided insights of how IAQ is during the sleeping period in real life conditions. Most of studies focused on carbon dioxide (77%), followed by particles (PM2.5, PM10 and ultrafines) and only 18% of the studies focused on pollutants such as carbon monoxide, volatile organic compounds and formaldehyde. Despite the high heterogeneity between studies (regarding the geographical area, type of surrounding environments, season of the year, type of dwelling, bedrooms’ ventilation, number of occupants), several air pollutants showed exceedances of the limit values established by guidelines or legislation, indicating that an effort should be made in order to minimise human exposure to air pollutants. For instance, when considering the air quality guideline of World Health Organisation of 10 µg·m−3 for PM2.5, 86% of studies that focused this pollutant registered levels above this threshold. Considering that people spend one third of their day sleeping, exposure during this period may have a significant impact on the daily integrated human exposure, due to the higher amount of exposure time, even if this environment is characterised by lower pollutants’ levels. Improving the current knowledge of air pollutants levels during sleep in different settings, as well as in different countries, will allow to improve the accuracy of exposure assessments and will also allow to understand their main drivers and how to tackle them.
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131
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Du F, Qu Y, Li M, Tan X. Mitochondria-targetable ratiometric fluorescence probe for carbon monoxide based on naphthalimide derivatives. Anal Bioanal Chem 2021; 413:1395-1403. [PMID: 33404745 DOI: 10.1007/s00216-020-03103-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 11/25/2020] [Accepted: 11/27/2020] [Indexed: 01/28/2023]
Abstract
The design of ratiometric probes for imaging of carbon monoxide (CO) in subcellular organelles is critical to elucidate its biological and pathological functions. In this work, we establish a ratiometric fluorescent probe (Mito-NIB-CO) for imaging of CO in mitochondria. The mitochondria-targeting unit (triphenylphosphonium moiety) and CO-responsive unit (allyl ether moiety) are covalently linking into the single molecule (Mito-NIB-CO) to achieve the multifunctional effect. Upon being treated with CO, Mito-NIB-CO underwent the cleavage of allyl ether element in the presence of PdCl2, resulting in the structural and spectral conversion. This characteristic afforded Mito-NIB-CO to be a ratiometric probe for CO with two fluorescent emission bands. Additionally, the probe Mito-NIB-CO exhibited other distinct merits, including preeminent selectivity and sensitivity. What's more, profiting from triphenylphosphonium moiety, the probe Mito-NIB-CO can specifically target the mitochondria and realize quantitative detection of exogenous/endogenous CO in mitochondria. Graphical abstract.
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Affiliation(s)
- Fangkai Du
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Guangxi Colleges and Universities for Food Safety and Pharmaceutical Analytical Chemistry, School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning, 530008, People's Republic of China.
| | - Yunting Qu
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Guangxi Colleges and Universities for Food Safety and Pharmaceutical Analytical Chemistry, School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning, 530008, People's Republic of China
| | - Mengru Li
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Guangxi Colleges and Universities for Food Safety and Pharmaceutical Analytical Chemistry, School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning, 530008, People's Republic of China
| | - Xuecai Tan
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Guangxi Colleges and Universities for Food Safety and Pharmaceutical Analytical Chemistry, School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning, 530008, People's Republic of China.
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132
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Oktem B, Üzer F, Kukul Güven FM, Kırhan İ, Topal M. Role of methemoglobin and carboxyhemoglobin levels in predicting COVID-19 prognosis: an observational study. Med Gas Res 2021; 10:174-178. [PMID: 33380584 PMCID: PMC8092149 DOI: 10.4103/2045-9912.304224] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
World Health Organization has declared coronavirus disease-19 (COVID-19) as a pandemic. Although there are studies about this novel virus, our knowledge is still limited. There is limited information about its diagnosis, treatment and prognosis. We aimed to investigate the effect of methemoglobin and carboxyhemoglobin levels on the prognosis of COVID-19. In this observational study, patients who were diagnosed with COVID-19 during March 1–April 31, 2020 in a secondary-level state hospital in Turkey were included in the study. COVID-19 diagnosis was confirmed with reverse transcription polymerase chain reaction method, with nasal, oral or sputum specimens. During the period this study was performed, 3075 patients were tested for COVID-19 and 573 of them were hospitalized. Among the hospitalised patients, 23.2% (133) of them had a positive polymerase chain reaction result for COVID-19. A total of 125 patients, 66 (52.8%) males and 59 (47.2%) females, with an average age of 50.2 ± 19.8 years, were included in the study. The most common findings in chest radiogram were ground-glass areas and consolidations, while one-third of the patients had a normal chest radiogram. Computed thorax tomography was performed for 77.6% (97/125) of the patients. The 24.7% of computed tomographies (24/97) did not reveal any pathological findings, and the most common findings were ground-glass appearance and consolidation. Those who needed intensive care had statistically significantly lower platelet count (P = 0.011) and higher lactate dehydrogenase levels (P < 0.001). No statistically significant difference was found in carboxyhemoglobin (P = 0.395) and methemoglobin (P = 1.000) levels. We found that carboxyhemoglobin and methemoglobin levels had no effect on COVID-19 prognosis, but low platelet level played a role in predicting COVID-19 prognosis. This study was approved by the Ethical Committee of Harran University Faculty of Medicine on May 11, 2020 with approval No. 09.
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Affiliation(s)
- Begüm Oktem
- Department of Emergency Medicine, Kastamonu State Hospital, Kastamonu, Turkey
| | - Fatih Üzer
- Department of Pulmonology, Kastamonu State Hospital, Kastamonu, Turkey
| | | | - İdris Kırhan
- Department of Internal Medicine, Harran University Faculty of Medicine, Şanlıurfa, Turkey
| | - Mehmet Topal
- Department of Biostatistics, Kastamonu University Faculty of Medicine, Kastamonu, Turkey
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Rivera-Almazo M, Díaz-Ramírez ML, Hernández-Esparza R, Vargas R, Martínez A, Martis V, Sáenz-Cavazos PA, Williams D, Lima E, Ibarra IA, Garza J. Identification of the preferential CO and SO2 adsorption sites within NOTT-401. Phys Chem Chem Phys 2021; 23:1454-1463. [DOI: 10.1039/d0cp04668j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
DRIFT spectroscopy combined with DFT and QTAIM calculations, revealed the CO preferential adsorption sites within NOTT-401.
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Affiliation(s)
- Marcos Rivera-Almazo
- Departamento de Química
- Universidad Autónoma Metropolitana-Iztapalapa
- C. P. 09340 Ciudad de México
- Mexico
| | - Mariana L. Díaz-Ramírez
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS)
- Instituto de Investigaciones en Materiales
- Universidad Nacional Autónoma de México
- Ciudad de México
- Mexico
| | | | - Rubicelia Vargas
- Departamento de Química
- Universidad Autónoma Metropolitana-Iztapalapa
- C. P. 09340 Ciudad de México
- Mexico
| | - Ana Martínez
- Departamento de Materiales de Baja Dimensionalidad – Instituto de Investigaciones en Materiales, and Facultad de Química
- Universidad Nacional Autónoma de México
- Ciudad de México
- Mexico
| | | | - Paola A. Sáenz-Cavazos
- Surfaces and Particle Engineering Laboratory (SPEL)
- Department of Chemical Engineering
- Imperial College London
- London SW7 2AZ
- UK
| | - Daryl Williams
- Surfaces and Particle Engineering Laboratory (SPEL)
- Department of Chemical Engineering
- Imperial College London
- London SW7 2AZ
- UK
| | - Enrique Lima
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS)
- Instituto de Investigaciones en Materiales
- Universidad Nacional Autónoma de México
- Ciudad de México
- Mexico
| | - Ilich A. Ibarra
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS)
- Instituto de Investigaciones en Materiales
- Universidad Nacional Autónoma de México
- Ciudad de México
- Mexico
| | - Jorge Garza
- Departamento de Química
- Universidad Autónoma Metropolitana-Iztapalapa
- C. P. 09340 Ciudad de México
- Mexico
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Hydrogen sulfide (H 2S) signaling in plant development and stress responses. ABIOTECH 2021; 2:32-63. [PMID: 34377579 PMCID: PMC7917380 DOI: 10.1007/s42994-021-00035-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 02/03/2021] [Indexed: 12/13/2022]
Abstract
ABSTRACT Hydrogen sulfide (H2S) was initially recognized as a toxic gas and its biological functions in mammalian cells have been gradually discovered during the past decades. In the latest decade, numerous studies have revealed that H2S has versatile functions in plants as well. In this review, we summarize H2S-mediated sulfur metabolic pathways, as well as the progress in the recognition of its biological functions in plant growth and development, particularly its physiological functions in biotic and abiotic stress responses. Besides direct chemical reactions, nitric oxide (NO) and hydrogen peroxide (H2O2) have complex relationships with H2S in plant signaling, both of which mediate protein post-translational modification (PTM) to attack the cysteine residues. We also discuss recent progress in the research on the three types of PTMs and their biological functions in plants. Finally, we propose the relevant issues that need to be addressed in the future research. GRAPHIC ABSTRACT SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s42994-021-00035-4.
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135
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Manandhar S, Sinha P, Ejiwale G, Bhatia M. Hydrogen Sulfide and its Interaction with Other Players in Inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1315:129-159. [PMID: 34302691 DOI: 10.1007/978-981-16-0991-6_6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Hydrogen sulfide (H2S) plays a vital role in human physiology and in the pathophysiology of several diseases. In addition, a substantial role of H2S in inflammation has emerged. This chapter will discuss the involvement of H2S in various inflammatory diseases. Furthermore, the contribution of reactive oxygen species (ROS), adhesion molecules, and leukocyte recruitment in H2S-mediated inflammation will be discussed. The interrelationship of H2S with other gasotransmitters in inflammation will also be examined. There is mixed literature on the contribution of H2S to inflammation due to studies reporting both pro- and anti-inflammatory actions. These apparent discrepancies in the literature could be resolved with further studies.
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Affiliation(s)
- Sumeet Manandhar
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Priyanka Sinha
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Grace Ejiwale
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Madhav Bhatia
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand.
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136
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Yan Y, Zhang J, Yi S, Liu L, Huang C. Lighting up forensic science by aggregation-induced emission: A review. Anal Chim Acta 2020; 1155:238119. [PMID: 33766314 DOI: 10.1016/j.aca.2020.11.051] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/15/2020] [Accepted: 11/27/2020] [Indexed: 01/30/2023]
Abstract
Forensic science requires a fast, sensitive, and anti-interfering imaging tool for on-site investigation and bio-analysis. The aggregation-induced emission (AIE) phenomenon exhibits remarkable luminescence properties (large Stokes shift, diverse molecular structures, and high photo-stability), which can provide a viable solution for on-site analysis, while at the same time overcoming the problem of aggregation-caused quenching (ACQ). Based on the outstanding performance in chemical analysis and bio-sensing, AIE materials have great prospects in the field of forensic science. Therefore, the application of AIE in forensic science has been summarized for the first time in this article. After a brief introduction to the concept and development of AIE, its applications in the determination of toxic or hazardous substances, based on data on poisoning deaths, has been summarized. Subsequently, besides the bio-imaging function, other applications of AIE in analyzing markers related to forensic genetics, forensic pathology, (focusing on the corpse) and clinical forensics (focusing on the living) have been discussed. In addition, applications of AIE molecules in criminal investigations, including recognition of fingerprints and blood stains, detection of explosives and chemical warfare agents, and anti-counterfeiting have also been presented. It is hoped that this review will light up the future of forensic science by stimulating more research work on the suitability of AIE materials in advancing forensic science.
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Affiliation(s)
- Yibo Yan
- Department of Forensic Medicine, Tongji Medical School, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, 430030, China
| | - Junchao Zhang
- Department of Forensic Medicine, Tongji Medical School, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, 430030, China
| | - Shaohua Yi
- Department of Forensic Medicine, Tongji Medical School, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, 430030, China
| | - Liang Liu
- Department of Forensic Medicine, Tongji Medical School, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, 430030, China.
| | - Chuixiu Huang
- Department of Forensic Medicine, Tongji Medical School, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, 430030, China.
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137
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Wang M, Yang X, Pan Z, Wang Y, De La Cruz LK, Wang B, Tan C. Towards "CO in a pill": Pharmacokinetic studies of carbon monoxide prodrugs in mice. J Control Release 2020; 327:174-185. [PMID: 32745568 PMCID: PMC7606817 DOI: 10.1016/j.jconrel.2020.07.040] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 12/27/2022]
Abstract
Carbon monoxide (CO) is a known endogenous signaling molecule with potential therapeutic indications in treating inflammation, cancer, neuroprotection, and sickle cell disease among many others. One of the hurdles in using CO as a therapeutic agent is the development of pharmaceutically acceptable delivery forms for various indications. Along this line, we have developed organic CO prodrugs that allow for packing this gaseous molecule into a dosage form for the goal of "carbon monoxide in a pill." This should enable non-inhalation administration including oral and intravenous routes. These prodrugs have previously demonstrated efficacy in multiple animal models. To further understand the CO delivery efficiency of these prodrugs in relation to their efficacy, we undertook the first pharmacokinetic studies on these prodrugs. In doing so, we selected five representative prodrugs with different CO release kinetics and examined their pharmacokinetics after administration via oral, intraperitoneal, and intravenous routes. It was found that all three routes were able to elevate systemic CO level with delivery efficiency in the order of intravenous, oral, and intraperitoneal routes. CO prodrugs and their CO-released products were readily cleared from the circulation. CO prodrugs demonstrate promising pharmaceutical properties in terms of oral CO delivery and minimal drug accumulation in the body. This represents the very first study of the interplay among CO release kinetics, CO prodrug clearance, route of administration, and CO delivery efficiency.
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Affiliation(s)
- Minjia Wang
- Department of Pharmaceutics and Drug Delivery, University of Mississippi School of Pharmacy, University of Mississippi, MS 38677, USA
| | - Xiaoxiao Yang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Zhixiang Pan
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Yingzhe Wang
- Department of Pharmaceutics and Drug Delivery, University of Mississippi School of Pharmacy, University of Mississippi, MS 38677, USA
| | - Ladie Kimberly De La Cruz
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA.
| | - Chalet Tan
- Department of Pharmaceutics and Drug Delivery, University of Mississippi School of Pharmacy, University of Mississippi, MS 38677, USA.
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138
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Tun B, Ehrbar R, Short M, Cheng S, Vasan RS, Xanthakis V. Association of Exhaled Carbon Monoxide With Ideal Cardiovascular Health, Circulating Biomarkers, and Incidence of Heart Failure in the Framingham Offspring Study. J Am Heart Assoc 2020; 9:e016762. [PMID: 33100134 PMCID: PMC7763395 DOI: 10.1161/jaha.120.016762] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Background Exhaled carbon monoxide (eCO) is directly associated with traditional cardiovascular disease risk factors and incident cardiovascular disease. However, its relation with the cardiovascular health score and incidence of heart failure (HF) has not been investigated. Methods and Results We measured eCO in 3521 Framingham Heart Study Offspring participants attending examination cycle 6 (mean age 59 years, 53% women). We related the cardiovascular health score (composite of blood pressure, fasting plasma glucose, total cholesterol, body mass index, smoking, diet, and physical activity) to eCO adjusting for age, sex, and smoking. Higher cardiovascular health scores were associated with lower eCO (β=-0.02, P<0.0001), even among nonsmokers. Additionally, C-reactive protein, plasminogen activator inhibitor-1, fibrinogen, growth differentiation factor-15, homocysteine, and asymmetrical dimethylarginine were positively associated with eCO (P≤0.003 for all). The age- and sex-adjusted and multivariable-adjusted heritabilities of eCO were 49.5% and 31.4%, respectively. Over a median follow-up of 18 years, 309 participants (45% women) developed HF. After multivariable adjustment, higher eCO was associated with higher risk of HF (hazards ratio per SD increment: 1.39; 95% CI, 1.19-1.62 [P<0.001]) and with higher risk of HF with reduced ejection fraction (N=144 events; hazard ratio per SD increment in eCO: 1.43; 95% CI, 1.15-1.77 [P=0.001]). Conclusions In our community-based sample, higher levels of eCO were associated with lower cardiovascular health scores, an adverse cardiovascular biomarker profile, and a higher risk of HF, specifically HF with reduced ejection fraction. Our findings suggest that carbon monoxide may identify a novel pathway to HF development.
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Affiliation(s)
- Bradley Tun
- Department of Medicine Boston University School of Medicine and Boston Medical Center Boston MA
| | - Rachel Ehrbar
- Department of Biostatistics Boston University School of Public Health Boston MA
| | - Meghan Short
- Glenn Biggs Institute for Alzheimer's Disease & Neurodegenerative Diseases University of Texas Health Sciences Center San Antonio TX
| | - Susan Cheng
- Smidt Heart Institute Cedars-Sinai Medical Center Los Angeles CA
| | - Ramachandran S Vasan
- National Heart, Blood and Lung Institute Framingham Heart Study Framingham MA.,Sections of Preventive Medicine and Epidemiology and Cardiovascular Medicine Department of Medicine Boston University School of Medicine Boston MA.,Department of Epidemiology Boston University School of Public Health Boston MA
| | - Vanessa Xanthakis
- Department of Biostatistics Boston University School of Public Health Boston MA.,National Heart, Blood and Lung Institute Framingham Heart Study Framingham MA.,Sections of Preventive Medicine and Epidemiology and Cardiovascular Medicine Department of Medicine Boston University School of Medicine Boston MA
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139
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Lin S, Wei D, Sun Y, Chen K, Yang L, Liu B, Huang Q, Paoliello MMB, Li H, Wu S. Region-specific air pollutants and meteorological parameters influence COVID-19: A study from mainland China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 204:111035. [PMID: 32768746 PMCID: PMC7406240 DOI: 10.1016/j.ecoenv.2020.111035] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/11/2020] [Accepted: 07/12/2020] [Indexed: 05/20/2023]
Abstract
Coronavirus disease 2019 (COVID-19) was first detected in December 2019 in Wuhan, China, with 11,669,259 positive cases and 539,906 deaths globally as of July 8, 2020. The objective of the present study was to determine whether meteorological parameters and air quality affect the transmission of COVID-19, analogous to SARS. We captured data from 29 provinces, including numbers of COVID-19 cases, meteorological parameters, air quality and population flow data, between Jan 21, 2020 and Apr 3, 2020. To evaluate the transmissibility of COVID-19, the basic reproductive ratio (R0) was calculated with the maximum likelihood "removal" method, which is based on chain-binomial model, and the association between COVID-19 and air pollutants or meteorological parameters was estimated by correlation analyses. The mean estimated value of R0 was 1.79 ± 0.31 in 29 provinces, ranging from 1.08 to 2.45. The correlation between R0 and the mean relative humidity was positive, with coefficient of 0.370. In provinces with high flow, indicators such as carbon monoxide (CO) and 24-h average concentration of carbon monoxide (CO_24 h) were positively correlated with R0, while nitrogen dioxide (NO2), 24-h average concentration of nitrogen dioxide (NO2_24 h) and daily maximum temperature were inversely correlated to R0, with coefficients of 0.644, 0.661, -0.636, -0.657, -0.645, respectively. In provinces with medium flow, only the weather factors were correlated with R0, including mean/maximum/minimum air pressure and mean wind speed, with coefficients of -0.697, -0.697, -0.697 and -0.841, respectively. There was no correlation with R0 and meteorological parameters or air pollutants in provinces with low flow. Our findings suggest that higher ambient CO concentration is a risk factor for increased transmissibility of the novel coronavirus, while higher temperature and air pressure, and efficient ventilation reduce its transmissibility. The effect of meteorological parameters and air pollutants varies in different regions, and requires that these issues be considered in future modeling disease transmissibility.
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Affiliation(s)
- Shaowei Lin
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, 350122, China.
| | - Donghong Wei
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; Department of Preventive Medicine, School of Inspection and Prevention, Quanzhou Medical College, Quanzhou, 362011, China.
| | - Yi Sun
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, 350122, China.
| | - Kun Chen
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, 350122, China.
| | - Le Yang
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, 350122, China.
| | - Bang Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, 350122, China.
| | - Qing Huang
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; The Second Affiliated Hospital of Fujian Medical University, Quanzhou, 362000, China.
| | - Monica Maria Bastos Paoliello
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA; Graduate Program in Public Health, Center of Health Sciences, State University of Londrina, PR, 86038-350, Brazil.
| | - Huangyuan Li
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, 350122, China.
| | - Siying Wu
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, 350122, China.
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140
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Ouyang Q, Tu L, Zhang Y, Chen H, Fan Y, Tu Y, Li Y, Sun Y. Construction of a Smart Nanofluidic Sensor through a Redox Reaction Strategy for High-Performance Carbon Monoxide Sensing. Anal Chem 2020; 92:14947-14952. [PMID: 33119273 DOI: 10.1021/acs.analchem.0c02424] [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
Carbon monoxide (CO), an important gas signaling molecule, demonstrated various physiological and pathological functions by regulating the ion flux of biological channels. Herein, inspired by the CO-regulated K+ channel in vivo, we propose a smart CO-responsive nanosensor through the redox reaction strategy. Such nanosensor demonstrated an outstanding CO specificity and selectivity with high ion rectification (∼9) as well as excellent stability and recyclability. Therefore, these results will provide a new direction for the design of nanochannel-based sensors for future practical and biological applications.
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Affiliation(s)
- Qingying Ouyang
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Le Tu
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Yi Zhang
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China.,Guangdong Provincial Key Laboratory of Radioactive and Rare Resource Utilization, Shaoguan 512026, China
| | - Huan Chen
- The State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, Liaoning, China
| | - Yifan Fan
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Yingfeng Tu
- Department of Cardiology, The Second Hospital of Harbin Medical University, The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150008, China
| | - Yangyan Li
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou 425199, Hunan, China
| | - Yao Sun
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
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141
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Lazarus LS, Benninghoff AD, Berreau LM. Development of Triggerable, Trackable, and Targetable Carbon Monoxide Releasing Molecules. Acc Chem Res 2020; 53:2273-2285. [PMID: 32929957 PMCID: PMC7654722 DOI: 10.1021/acs.accounts.0c00402] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Carbon monoxide (CO) is a gaseous signaling molecule produced in humans via the breakdown of heme in an O2-dependent reaction catalyzed by heme oxygenase enzymes. A long-lived species relative to other signaling molecules (e.g., NO, H2S), CO exerts its physiological effects via binding to low-valent transition metal centers in proteins and enzymes. Studies involving the administration of low doses of CO have shown its potential as a therapeutic agent to produce vasodilation, anti-inflammatory, antiapoptotic, and anticancer effects. In pursuit of developing tools to define better the role and therapeutic potential of CO, carbon monoxide releasing molecules (CORMs) were developed. To date, the vast majority of reported CORMs have been metal carbonyl complexes, with the most well-known being Ru2Cl4(CO)6 (CORM-2), Ru(CO)3Cl(glycinate) (CORM-3), and Mn(CO)4(S2CNMe(CH2CO2H)) (CORM-401). These complexes have been used to probe the effects of CO in hundreds of cell- and animal-based experiments. However, through recent investigations, it has become evident that these reagents exhibit complicated reactivity in biological environments. The interpretation of the effects produced by some of these complexes is obscured by protein binding, such that their formulation is not clear, and by CO leakage and potential redox activity. An additional weakness with regard to CORM-2 and CORM-3 is that these compounds cannot be tracked via fluorescence. Therefore, it is unclear where or when CO release occurs, which confounds the interpretation of experiments using these molecules. To address these weaknesses, our research team has pioneered the development of metal-free CORMs based on structurally tunable extended flavonol or quinolone scaffolds. In addition to being highly controlled, with CO release only occurring upon triggering with visible light (photoCORMs), these CO donors are trackable via fluorescence prior to CO release in cellular environments and can be targeted to specific cellular locations.In the Account, we highlight the development and application of a series of structurally related flavonol photoCORMs that (1) sense characteristics of cellular environments prior to CO release; (2) enable evaluation of the influence of cytosolic versus mitochondrial-localized CO release on cellular bioenergetics; (3) probe the cytotoxicity and anti-inflammatory effects of intracellular versus extracellular CO delivery; and (4) demonstrate that albumin delivery of a photoCORM enables potent anticancer and anti-inflammatory effects. A key advantage of using triggered CO release compounds in these investigations is the ability to examine the effects of the molecular delivery vehicle in the absence and presence of localized CO release, thus providing insight into the independent contributions of CO. Overall, flavonol-based CO delivery molecules offer opportunities for triggerable, trackable, and targetable CO delivery that are unprecedented in terms of previously reported CORMs and, thus, offer significant potential for applications in biological systems.
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Affiliation(s)
- Livia S Lazarus
- Department of Chemistry & Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
| | - Abby D Benninghoff
- Department of Animal, Dairy and Veterinary Sciences, Utah State University, 4815 Old Main Hill, Logan, Utah 84322-4815, United States
| | - Lisa M Berreau
- Department of Chemistry & Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
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142
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Spectroscopic and antimicrobial activity of photoactivatable tricarbonyl Mn(I) terpyridine compounds. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119806] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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143
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Robson JA, Kubánková M, Bond T, Hendley RA, White AJP, Kuimova MK, Wilton‐Ely JDET. Simultaneous Detection of Carbon Monoxide and Viscosity Changes in Cells. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008224] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Jonathan A. Robson
- Department of Chemistry Molecular Sciences Research Hub Imperial College London White City Campus London W12 0BZ UK
| | - Markéta Kubánková
- Department of Chemistry Molecular Sciences Research Hub Imperial College London White City Campus London W12 0BZ UK
| | - Tamzin Bond
- Department of Chemistry Molecular Sciences Research Hub Imperial College London White City Campus London W12 0BZ UK
| | - Rian A. Hendley
- Department of Chemistry Molecular Sciences Research Hub Imperial College London White City Campus London W12 0BZ UK
| | - Andrew J. P. White
- Department of Chemistry Molecular Sciences Research Hub Imperial College London White City Campus London W12 0BZ UK
| | - Marina K. Kuimova
- Department of Chemistry Molecular Sciences Research Hub Imperial College London White City Campus London W12 0BZ UK
| | - James D. E. T. Wilton‐Ely
- Department of Chemistry Molecular Sciences Research Hub Imperial College London White City Campus London W12 0BZ UK
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144
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Robson JA, Kubánková M, Bond T, Hendley RA, White AJP, Kuimova MK, Wilton-Ely JDET. Simultaneous Detection of Carbon Monoxide and Viscosity Changes in Cells. Angew Chem Int Ed Engl 2020; 59:21431-21435. [PMID: 32686308 PMCID: PMC7756414 DOI: 10.1002/anie.202008224] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/14/2020] [Indexed: 12/11/2022]
Abstract
A new family of robust, non‐toxic, water‐compatible ruthenium(II) vinyl probes allows the rapid, selective and sensitive detection of endogenous carbon monoxide (CO) in live mammalian cells under normoxic and hypoxic conditions. Uniquely, these probes incorporate a viscosity‐sensitive BODIPY fluorophore that allows the measurement of microscopic viscosity in live cells via fluorescence lifetime imaging microscopy (FLIM) while also monitoring CO levels. This is the first example of a probe that can simultaneously detect CO alongside small viscosity changes in organelles of live cells.
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Affiliation(s)
- Jonathan A Robson
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - Markéta Kubánková
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - Tamzin Bond
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - Rian A Hendley
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - Andrew J P White
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - Marina K Kuimova
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - James D E T Wilton-Ely
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, London, W12 0BZ, UK
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145
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Mukhopadhyay S, Sarkar A, Chattopadhyay P, Dhara K. Recent Advances in Fluorescence Light-Up Endogenous and Exogenous Carbon Monoxide Detection in Biology. Chem Asian J 2020; 15:3162-3179. [PMID: 33439547 DOI: 10.1002/asia.202000892] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/14/2020] [Indexed: 11/08/2022]
Abstract
Considerable attention has been paid by the scientific community to detect toxic carbon monoxide (CO) in sub-cellular organelles like mitochondria, lysosomes, nuclei, etc. due to their generation and accumulation through numerous biological processes and their role as signal transducer, therapeutics, etc. Various methods are also available for detection of CO, but fluorescence light-up detection is considered the best due to its easy and accurate sensing capability. As of now, no review is available in the literature dedicated to fluorescent detection of only CO both in vitro and in vivo, but considering the huge amount of work reporting every year, it is necessary to have an account of all the recent significant works devoted to it. This review will give special attention to the most noteworthy development of fluorescent light-up probes for the detection of cellular and sub-cellular targetable CO starting from 2012 and emphasizing also the mechanism of action and the applications.
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Affiliation(s)
- Sujay Mukhopadhyay
- Department of Chemistry, The University of Burdwan, Golapbag, Burdwan, 713104, West Bengal, India
| | - Arnab Sarkar
- Department of Chemistry, The University of Burdwan, Golapbag, Burdwan, 713104, West Bengal, India
| | - Pabitra Chattopadhyay
- Department of Chemistry, The University of Burdwan, Golapbag, Burdwan, 713104, West Bengal, India
| | - Koushik Dhara
- Department of Chemistry, Sambhu Nath College, Labpur, Birbhum, 731303, West Bengal, India
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146
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Levin N, Marcolongo JP, Cadranel A, Slep LD. Time-Resolved Exploration of a photoCORM {Ru(bpy)} Model Compound. Inorg Chem 2020; 59:12075-12085. [DOI: 10.1021/acs.inorgchem.0c01025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Natalia Levin
- Facultad de Ciencias Exactas y Naturales, Departamento de Quı́mica Inorgánica, Analı́tica y Quı́mica Fı́sica, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
- Instituto de Quı́mica-Fı́sica de Materiales, Medio Ambiente y Energı́a, CONICET, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34−36, 45470 Mülheim an der Ruhr, Germany
| | - Juan Pablo Marcolongo
- Facultad de Ciencias Exactas y Naturales, Departamento de Quı́mica Inorgánica, Analı́tica y Quı́mica Fı́sica, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
- Instituto de Quı́mica-Fı́sica de Materiales, Medio Ambiente y Energı́a, CONICET, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
| | - Alejandro Cadranel
- Facultad de Ciencias Exactas y Naturales, Departamento de Quı́mica Inorgánica, Analı́tica y Quı́mica Fı́sica, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
- Instituto de Quı́mica-Fı́sica de Materiales, Medio Ambiente y Energı́a, CONICET, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 3, 91058 Erlangen, Germany
| | - Leonardo Daniel Slep
- Facultad de Ciencias Exactas y Naturales, Departamento de Quı́mica Inorgánica, Analı́tica y Quı́mica Fı́sica, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
- Instituto de Quı́mica-Fı́sica de Materiales, Medio Ambiente y Energı́a, CONICET, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
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147
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Alcaraz MJ, Ferrándiz ML. Relevance of Nrf2 and heme oxygenase-1 in articular diseases. Free Radic Biol Med 2020; 157:83-93. [PMID: 31830562 DOI: 10.1016/j.freeradbiomed.2019.12.007] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/04/2019] [Accepted: 12/07/2019] [Indexed: 02/08/2023]
Abstract
Joint conditions pose an important public health problem as they are a leading cause of pain, functional limitation and physical disability. Oxidative stress is related to the pathogenesis of many chronic diseases affecting the joints such as rheumatoid arthritis and osteoarthritis. Cells have developed adaptive protection mechanisms to maintain homeostasis such as nuclear factor erythroid 2 (NF-E2)-related factor 2 (Nrf2) which regulates the transcription of many genes involved in redox balance, detoxification, metabolism and inflammation. Activation of Nrf2 results in the synthesis of heme oxygenase-1 (HO-1) leading to the formation of a number of bioactive metabolites, mainly CO, biliverdin and bilirubin. Ample evidence supports the notion that Nrf2 and HO-1 can confer protection against oxidative stress and inflammatory and immune responses in joint tissues. As a consequence, this pathway may control the activation and metabolism of articular cells to play a regulatory role in joint destruction thus offering new opportunities for better treatments. Further studies are necessary to identify improved strategies to regulate Nrf2 and HO-1 activation in order to enable the development of drugs with therapeutic applications in joint diseases.
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Affiliation(s)
- Maria José Alcaraz
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Av. Vicent A. Estellés s/n, 46100, Burjasot, Valencia, Spain.
| | - María Luisa Ferrándiz
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Av. Vicent A. Estellés s/n, 46100, Burjasot, Valencia, Spain
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148
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Guerra DD, Hurt KJ. Gasotransmitters in pregnancy: from conception to uterine involution. Biol Reprod 2020; 101:4-25. [PMID: 30848786 DOI: 10.1093/biolre/ioz038] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 02/14/2019] [Accepted: 03/06/2019] [Indexed: 12/13/2022] Open
Abstract
Gasotransmitters are endogenous small gaseous messengers exemplified by nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S or sulfide). Gasotransmitters are implicated in myriad physiologic functions including many aspects of reproduction. Our objective was to comprehensively review basic mechanisms and functions of gasotransmitters during pregnancy from conception to uterine involution and highlight future research opportunities. We searched PubMed and Web of Science databases using combinations of keywords nitric oxide, carbon monoxide, sulfide, placenta, uterus, labor, and pregnancy. We included English language publications on human and animal studies from any date through August 2018 and retained basic and translational articles with relevant original findings. All gasotransmitters activate cGMP signaling. NO and sulfide also covalently modify target protein cysteines. Protein kinases and ion channels transduce gasotransmitter signals, and co-expressed gasotransmitters can be synergistic or antagonistic depending on cell type. Gasotransmitters influence tubal transit, placentation, cervical remodeling, and myometrial contractility. NO, CO, and sulfide dilate resistance vessels, suppress inflammation, and relax myometrium to promote uterine quiescence and normal placentation. Cervical remodeling and rupture of fetal membranes coincide with enhanced oxidation and altered gasotransmitter metabolism. Mechanisms mediating cellular and organismal changes in pregnancy due to gasotransmitters are largely unknown. Altered gasotransmitter signaling has been reported for preeclampsia, intrauterine growth restriction, premature rupture of membranes, and preterm labor. However, in most cases specific molecular changes are not yet characterized. Nonclassical signaling pathways and the crosstalk among gasotransmitters are emerging investigation topics.
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Affiliation(s)
- Damian D Guerra
- Division of Reproductive Sciences, Department of Obstetrics and Gynecology, University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado, USA
| | - K Joseph Hurt
- Division of Reproductive Sciences, Department of Obstetrics and Gynecology, University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado, USA.,Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado, USA
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Two Faces of Heme Catabolic Pathway in Newborns: A Potential Role of Bilirubin and Carbon Monoxide in Neonatal Inflammatory Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7140496. [PMID: 32908636 PMCID: PMC7450323 DOI: 10.1155/2020/7140496] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Accepted: 07/27/2020] [Indexed: 12/18/2022]
Abstract
In an infant's body, all the systems undergo significant changes in order to adapt to the new, extrauterine environment and challenges which it poses. Fragile homeostasis can be easily disrupted as the defensive mechanisms are yet imperfect. The activity of antioxidant enzymes, i.e., superoxide dismutase, catalase, and glutathione peroxidase, is low; therefore, neonates are especially vulnerable to oxidative stress. Free radical burden significantly contributes to neonatal illnesses such as sepsis, retinopathy of premature, necrotizing enterocolitis, bronchopulmonary dysplasia, or leukomalacia. However, newborns have an important ally-an inducible heme oxygenase-1 (HO-1) which expression rises rapidly in response to stress stimuli. HO-1 activity leads to production of carbon monoxide (CO), free iron ion, and biliverdin; the latter is promptly reduced to bilirubin. Although CO and bilirubin used to be considered noxious by-products, new interesting properties of those compounds are being revealed. Bilirubin proved to be an efficient free radicals scavenger and modulator of immune responses. CO affects a vast range of processes such as vasodilatation, platelet aggregation, and inflammatory reactions. Recently, developed nanoparticles consisting of PEGylated bilirubin as well as several kinds of molecules releasing CO have been successfully tested on animal models of inflammatory diseases. This paper focuses on the role of heme metabolites and their potential utility in prevention and treatment of neonatal diseases.
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Kozlova E, Chernysh A, Kozlov A, Sergunova V, Sherstyukova E. Assessment of carboxyhemoglobin content in the blood with high accuracy: wavelength range optimization for nonlinear curve fitting of optical spectra. Heliyon 2020; 6:e04622. [PMID: 32793833 PMCID: PMC7415840 DOI: 10.1016/j.heliyon.2020.e04622] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 06/09/2020] [Accepted: 07/30/2020] [Indexed: 11/24/2022] Open
Abstract
The impact of carbon monoxide (CO) gas on the human organism is very dangerous. The affinity of CO to hemoglobin is considerably higher than that of oxygen. Thus, the interaction of CO with the blood results in a higher content of carboxyhemoglobin (HbCO) in red blood cells (RBCs) and correspondingly in tissue hypoxia. The disruption in the organism depends on the HbCO content in the blood. To assess any complications in the body at a given moment due to CO exposure and predict future consequences, it is necessary to measure the dynamics of hemoglobin derivative concentrations simultaneously. However, measuring HbCO and other derivatives in RBCs without hemolysis accurately is complicated due to the strong intercollinearity between the molar absorptivities of hemoglobin derivatives and superposition of absorption and scattering spectra. In the present study, to quantitatively assess the contents of the hemoglobin derivatives in the blood after exposure to CO, improved accuracy is achieved by optimizing the wavelength range used for the nonlinear curve fitting of optical spectra. Experimental spectra were measured in the wavelength range Δλ=500−700nm. For each experimental curve, it was established the value of optimal interval Δλopt for which the correlation coefficient between experimental data and corresponding points of the theoretical fitting curve was the maximum in the wavelength range Δλtyp=535−580nm, which contains the typical absorption peaks for HbO2, Hb, and HbCO. The concentrations obtained based on such fitting curves were considered to be highly accurate. The quantitative assessment enabled the determination of theHbCO nonlinear increase with the time of CO exposure in the in vitro experiment and the study of the dynamics of hemoglobin derivative transformations during blood incubation.
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Affiliation(s)
- Elena Kozlova
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031, 25 Petrovka Str., Build. 2, Moscow, Russian Federation.,Sechenov First Moscow State Medical University (Sechenov University), 119991, 2-4 Bolshaya Pirogovskaya St., Moscow, Russian Federation
| | - Aleksandr Chernysh
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031, 25 Petrovka Str., Build. 2, Moscow, Russian Federation.,Sechenov First Moscow State Medical University (Sechenov University), 119991, 2-4 Bolshaya Pirogovskaya St., Moscow, Russian Federation
| | - Aleksandr Kozlov
- Sechenov First Moscow State Medical University (Sechenov University), 119991, 2-4 Bolshaya Pirogovskaya St., Moscow, Russian Federation
| | - Viktoria Sergunova
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031, 25 Petrovka Str., Build. 2, Moscow, Russian Federation
| | - Ekaterina Sherstyukova
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031, 25 Petrovka Str., Build. 2, Moscow, Russian Federation.,Sechenov First Moscow State Medical University (Sechenov University), 119991, 2-4 Bolshaya Pirogovskaya St., Moscow, Russian Federation
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