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Ye C, Lin S, Li J, Meng P, Huang L, Li D. Comprehensive insights into fluorescent probes for the determination nitric oxide for diseases diagnosis. Bioorg Chem 2024; 150:107505. [PMID: 38865860 DOI: 10.1016/j.bioorg.2024.107505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/17/2024] [Accepted: 05/28/2024] [Indexed: 06/14/2024]
Abstract
Nitric oxide (NO) plays an important role in multiple physiological processes of the body involved in regulation, such as cardiovascular relaxation, neural homeostasis, and immune regulation, etc. The real-time monitoring of NO is of great significance in the investigation of related disease mechanisms and the evaluation of pharmacodynamics. Fluorescent probes are considered as a highly promising approach for pharmaceutical analysis and bioimaging due to their non-invasive character, real-time detection, and high sensitivity. However, there are still some challenges in the determination of biological nitric oxide with fluorescent probes, such as low anti-interference ability, poor function modifiability, and low organ specificity. Therefore, it would be beneficial to develop a new generation of fluorescent probes for real-time bioimaging of NO in vivo after this systematic summary.
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Affiliation(s)
- Chenqian Ye
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China; Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou 350117, PR China
| | - Shufang Lin
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China; Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou 350117, PR China
| | - Jinyi Li
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China; Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou 350117, PR China
| | - Peng Meng
- Fujian Inspection and Research Institute for Product Quality, Fuzhou 350117, PR China
| | - Luqiang Huang
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China.
| | - Daliang Li
- College of Life Sciences, Fujian Normal University, Fuzhou 350117, PR China; Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou 350117, PR China.
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2
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Alsharabasy AM, Sankar M, Biggs M, Farràs P, Pandit A. Iron protoporphyrin IX-hyaluronan hydrogel-supported luminol chemiluminescence for the detection of nitric oxide in physiological solutions. Talanta 2024; 278:126522. [PMID: 38991408 DOI: 10.1016/j.talanta.2024.126522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 06/27/2024] [Accepted: 07/06/2024] [Indexed: 07/13/2024]
Abstract
Due to its role as a free radical signal-transducing agent with a short lifespan, precise measurement of nitric oxide (●NO) levels presents significant challenges. Various analytical techniques offer distinct advantages and disadvantages for ●NO detection. This research aims to simplify the detection process by developing a hydrogel system using iron(III)-protoporphyrin IX (hemin)-loaded hyaluronan for the detection of ●NO in solution. Various hydrogel formulations were created, and the effects of their components on hydrogel-supported luminol chemiluminescence (CL) kinetics, radical scavenging, and physicochemical properties were analysed through factorial analysis. The candidate formulations were then evaluated using two ●NO donors. An increase in the degree of crosslinking in unloaded formulations enhanced interactions with the CL reaction components, hydrogen peroxide (H2O2) and luminol, thereby affecting light generation. However, hemin loading negated these effects, resulting in more prominent luminescence kinetics in formulations with lower crosslinking degrees. Similarly, ●NO influenced the kinetics differently, interacting with both the CL reaction and hydrogel components. Hemin-loaded formulations exhibited enhanced signal propagation when exposed to ●NO, followed by H2O2 and luminol, whereas reversing the order of addition inhibited this propagation. The magnitude of these luminescence changes depended on the type and concentration of the ●NO donor, demonstrating greater sensitivity to ●NO levels compared to amperometric sensing. These findings suggest that the studied hydrogel platform has potential for the facile and accurate detection of ●NO in solution, requiring minimal sample sizes.
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Affiliation(s)
- Amir M Alsharabasy
- CÚRAM, SFI Research Centre for Medical Devices, University of Galway, H91 W2TY, Ireland.
| | - Magesh Sankar
- CÚRAM, SFI Research Centre for Medical Devices, University of Galway, H91 W2TY, Ireland
| | - Manus Biggs
- CÚRAM, SFI Research Centre for Medical Devices, University of Galway, H91 W2TY, Ireland
| | - Pau Farràs
- CÚRAM, SFI Research Centre for Medical Devices, University of Galway, H91 W2TY, Ireland; School of Biological and Chemical Sciences, Ryan Institute, University of Galway, H91 TK33, Ireland
| | - Abhay Pandit
- CÚRAM, SFI Research Centre for Medical Devices, University of Galway, H91 W2TY, Ireland.
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3
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McDonald A, Warden C, Tan J, Piell KM, Steinbach-Rankins JM, Janakiraman N, Scott DA, Cole MP, Gudhimella S. Synthesis and Characterization of a Sustained Nitric Oxide-Releasing Orthodontic Elastomeric Chain for Antimicrobial Action. Int J Mol Sci 2024; 25:6982. [PMID: 39000090 PMCID: PMC11241501 DOI: 10.3390/ijms25136982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 07/16/2024] Open
Abstract
The acidic byproducts of bacteria in plaque around orthodontic brackets contribute to white spot lesion (WSL) formation. Nitric oxide (NO) has antibacterial properties, hindering biofilm formation and inhibiting the growth of oral microbes. Materials that mimic NO release could prevent oral bacteria-related pathologies. This study aims to integrate S-nitroso-acetylpenicillamine (SNAP), a promising NO donor, into orthodontic elastomeric ligatures, apply an additional polymer coating, and evaluate the NO-release kinetics and antimicrobial activity against Streptococus mutans. SNAP was added to clear elastomeric chains (8 loops, 23 mm long) at three concentrations (50, 75, 100 mg/mL, and a control). Chains were then coated, via electrospinning, with additional polymer (Elastollan®) to aid in extending the NO release. NO flux was measured daily for 30 days. Samples with 75 mg/mL SNAP + Elastollan® were tested against S. mutans for inhibition of biofilm formation on and around the chain. SNAP was successfully integrated into ligatures at each concentration. Only the 75 mg/mL SNAP chains maintained their elasticity. After polymer coating, samples exhibited a significant burst of NO on the first day, exceeding the machine's reading capacity, which gradually decreased over 29 days. Ligatures also inhibited S. mutans growth and biofilm formation. Future research will assess their mechanical properties and cytotoxicity. This study presents a novel strategy to address white spot lesion (WSL) formation and bacterial-related pathologies by utilizing nitric oxide-releasing materials. Manufactured chains with antimicrobial properties provide a promising solution for orthodontic challenges, showing significant potential for academic-industrial collaboration and commercial viability.
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Affiliation(s)
- Alec McDonald
- Department of Orthodontics, University of Louisville School of Dentistry, Louisville, KY 40202, USA
| | - Carly Warden
- Department of Orthodontics, University of Louisville School of Dentistry, Louisville, KY 40202, USA
| | - Jinlian Tan
- Department of Oral Immunology and Infectious Diseases, University of Louisville, Louisville, KY 40202, USA
| | - Kellianne M Piell
- Department of Biochemistry and Molecular Genetics, Louisville, KY 40202, USA
| | - Jill M Steinbach-Rankins
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | | | - David A Scott
- Department of Oral Immunology and Infectious Diseases, University of Louisville, Louisville, KY 40202, USA
| | - Marsha P Cole
- Department of Biochemistry and Molecular Genetics, Louisville, KY 40202, USA
| | - Sudha Gudhimella
- Department of Orthodontics, University of Louisville School of Dentistry, Louisville, KY 40202, USA
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4
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Alsharabasy AM, Farràs P, Pandit A. Hemin as a Molecular Probe for Nitric Oxide Detection in Physiological Solutions: Experimental and Theoretical Assessment. Anal Chem 2024; 96:7763-7771. [PMID: 38699865 PMCID: PMC11099896 DOI: 10.1021/acs.analchem.4c01516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/24/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024]
Abstract
Given its pivotal role in modulating various pathological processes, precise measurement of nitric oxide (●NO) levels in physiological solutions is imperative. The key techniques include the ozone-based chemiluminescence (CL) reactions, amperometric ●NO sensing, and Griess assay, each with its advantages and drawbacks. In this study, a hemin/H2O2/luminol CL reaction was employed for accurately detecting ●NO in diverse solutions. We investigated how the luminescence kinetics was influenced by ●NO from two donors, nitrite and peroxynitrite, while also assessing the impact of culture medium components and reactive species quenchers. Furthermore, we experimentally and theoretically explored the mechanism of hemin oxidation responsible for the initiation of light generation. Although both hemin and ●NO enhanced the H2O2/luminol-based luminescence reactions with distinct kinetics, hemin's interference with ●NO/peroxynitrite- modulated their individual effects. Leveraging the propagated signal due to hemin, the ●NO levels in solution were estimated, observing parallel changes to those detected via amperometric detection in response to varying concentrations of the ●NO-donor. The examined reactions aid in comprehending the mechanism of ●NO/hemin/H2O2/luminol interactions and how these can be used for detecting ●NO in solution with minimal sample size demands. Moreover, the selectivity across different solutions can be improved by incorporating certain quenchers for reactive species into the reaction.
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Affiliation(s)
- Amir M. Alsharabasy
- CÚRAM,
SFI Research Centre for Medical Devices, University of Galway, Galway, Ireland H91 W2TY
| | - Pau Farràs
- CÚRAM,
SFI Research Centre for Medical Devices, University of Galway, Galway, Ireland H91 W2TY
- School
of Biological and Chemical Sciences, Ryan Institute, University of Galway, Galway, Ireland H91 TK33
| | - Abhay Pandit
- CÚRAM,
SFI Research Centre for Medical Devices, University of Galway, Galway, Ireland H91 W2TY
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5
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Priya S, Berchmans S. Ferrocene probe-assisted fluorescence quenching of PEI-carbon dots for NO detection and the logic gates based sensing of NO enabled by trimodal detection. Sci Rep 2024; 14:10402. [PMID: 38710731 DOI: 10.1038/s41598-024-61117-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 05/02/2024] [Indexed: 05/08/2024] Open
Abstract
Our research demonstrates the effectiveness of fluorescence quenching between polyethyleneimine functionalised carbon dots (PEI-CDs) and cyclodextrin encapsulated ferrocene for fluorogenic detection of nitric oxide (NO). We confirmed that ferrocene can be used as a NO probe by observing its ability to quench the fluorescence emitted from PEI-CDs, with NO concentrations ranging from 1 × 10-6 M to 5 × 10-4 M. The photoluminescence intensity (PL) of PEI-CDs decreased linearly, with a detection limit of 500 nM. Previous studies have shown that ferrocene is a selective probe for NO detection in biological systems by electrochemical and colorimetric methods. The addition of fluorogenic NO detection using ferrocene as a probe enables the development of a three-way sensor probe for NO. Furthermore, the triple mode NO detection (electrochemical, colorimetric, and fluorogenic) with ferrocene aids in processing sensing data in a controlled manner similar to Boolean logic operations. This work presents key findings on the mechanism of fluorescence quenching between ferrocene hyponitrite intermediate and PEI-CDs, the potential of using ferrocene for triple channel NO detection as a single molecular entity, and the application of logic gates for NO sensing.
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Affiliation(s)
- S Priya
- NSS College, Nemmara, Palakkad, India.
| | - Sheela Berchmans
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute, Karaikudi, Tamilnadu, 630006, India
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Herrald AL, Ambrogi EK, Mirica KA. Electrochemical Detection of Gasotransmitters: Status and Roadmap. ACS Sens 2024; 9:1682-1705. [PMID: 38593007 PMCID: PMC11196117 DOI: 10.1021/acssensors.3c02529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Gasotransmitters, including nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S), are a class of gaseous, endogenous signaling molecules that interact with one another in the regulation of critical cardiovascular, immune, and neurological processes. The development of analytical sensing mechanisms for gasotransmitters, especially multianalyte mechanisms, holds vast importance and constitutes a growing area of study. This review provides an overview of electrochemical sensing mechanisms with an emphasis on opportunities in multianalyte sensing. Electrochemical methods demonstrate good sensitivity, adequate selectivity, and the most well-developed potential for the multianalyte detection of gasotransmitters. Future research will likely address challenges with sensor stability and biocompatibility (i.e., sensor lifetime and cytotoxicity), sensor miniaturization, and multianalyte detection in biological settings.
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Affiliation(s)
- Audrey L Herrald
- Department of Chemistry, Burke Laboratory, Dartmouth College, 41 College Street, Hanover, New Hampshire 03755, United States
| | - Emma K Ambrogi
- Department of Chemistry, Burke Laboratory, Dartmouth College, 41 College Street, Hanover, New Hampshire 03755, United States
| | - Katherine A Mirica
- Department of Chemistry, Burke Laboratory, Dartmouth College, 41 College Street, Hanover, New Hampshire 03755, United States
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7
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Díaz-Fabregat B, Ramírez-Carmona W, Cannon ML, Monteiro DR, Pessan JP, Antoniali C. Are salivary NO 2- / NO 2- and NO 3- levels biomarkers for dental caries in children? Systematic review and meta-analysis. Nitric Oxide 2024; 144:11-19. [PMID: 38185241 DOI: 10.1016/j.niox.2024.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 11/15/2023] [Accepted: 01/05/2024] [Indexed: 01/09/2024]
Abstract
The literature is conflicting regarding salivary nitrite (NO2-)/nitrite and nitrate (NO2- and NO3-) levels in children affected by dental caries. For this reason, a systematic review to provide a consensus on the subject was propose, whose objective is to verify whether these molecules could be used as biomarkers in children with caries. A comprehensive search was performed on online database and eleven articles were included in the meta-analysis. The methodological quality of studies was assessed by Newcastle-Ottawa Scale recommended for case-control studies and by AXIS tool for cross-sectional studies. Grading of Recommendations Assessment, Development and Evaluation was used for the assessment of the certainty of the evidence for each outcome. The results showed lower NO2- levels in the group of children affected by dental caries (SMD = -2.18 [-3.24, -1.13], p < 0.01). Age, saliva collection and methods of evaluation can impact the results. When evaluating the severity of the condition, an important variation was detected in relation to the different evaluation methods NO2-/NO2- and NO3-. In conclusion, based on the evidence presented, the results suggest that NO2- levels in saliva are a possible biomarker of dental caries. Results should be evaluated with caution due to the very low evidence from primary studies. Longitudinal studies are necessary to strengthen this hypothesis.
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Affiliation(s)
- Beatriz Díaz-Fabregat
- São Paulo State University (UNESP), Araçatuba School of Dentistry, Department of Preventive and Restorative Dentistry, Rua José Bonifácio 1193 Araçatuba, SP, Zip code 16015-050, Brazil
| | - Wilmer Ramírez-Carmona
- São Paulo State University (UNESP), Araçatuba School of Dentistry, Department of Preventive and Restorative Dentistry, Rua José Bonifácio 1193 Araçatuba, SP, Zip code 16015-050, Brazil
| | - Mark Lloyd Cannon
- Feinberg School of Medicine, Northwestern University, Ann and Robert Lurie Childrens Hospital, 420 E Superior St, Chicago, IL, 60611, USA
| | - Douglas Roberto Monteiro
- São Paulo State University (UNESP), Araçatuba School of Dentistry, Department of Preventive and Restorative Dentistry, Rua José Bonifácio 1193 Araçatuba, SP, Zip code 16015-050, Brazil; University of Western São Paulo (UNOESTE), Postgraduate Program in Health Sciences, Rua José Bongiovani 700 Presidente Prudente, SP, Zip code 19050-920, Brazil
| | - Juliano Pelim Pessan
- São Paulo State University (UNESP), Araçatuba School of Dentistry, Department of Preventive and Restorative Dentistry, Rua José Bonifácio 1193 Araçatuba, SP, Zip code 16015-050, Brazil
| | - Cristina Antoniali
- São Paulo State University (UNESP), Araçatuba School of Dentistry, Department of Basic Science, Rua José Bonifácio 1193 Araçatuba, SP, Zip code 16015-050, Brazil.
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Masuda D, Nakanishi I, Ohkubo K, Ito H, Matsumoto KI, Ichikawa H, Chatatikun M, Klangbud WK, Kotepui M, Imai M, Kawakami F, Kubo M, Matsui H, Tangpong J, Ichikawa T, Ozawa T, Yen HC, St Clair DK, Indo HP, Majima HJ. Mitochondria Play Essential Roles in Intracellular Protection against Oxidative Stress-Which Molecules among the ROS Generated in the Mitochondria Can Escape the Mitochondria and Contribute to Signal Activation in Cytosol? Biomolecules 2024; 14:128. [PMID: 38275757 PMCID: PMC10813015 DOI: 10.3390/biom14010128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 01/27/2024] Open
Abstract
Questions about which reactive oxygen species (ROS) or reactive nitrogen species (RNS) can escape from the mitochondria and activate signals must be addressed. In this study, two parameters, the calculated dipole moment (debye, D) and permeability coefficient (Pm) (cm s-1), are listed for hydrogen peroxide (H2O2), hydroxyl radical (•OH), superoxide (O2•-), hydroperoxyl radical (HO2•), nitric oxide (•NO), nitrogen dioxide (•NO2), peroxynitrite (ONOO-), and peroxynitrous acid (ONOOH) in comparison to those for water (H2O). O2•- is generated from the mitochondrial electron transport chain (ETC), and several other ROS and RNS can be generated subsequently. The candidates which pass through the mitochondrial membrane include ROS with a small number of dipoles, i.e., H2O2, HO2•, ONOOH, •OH, and •NO. The results show that the dipole moment of •NO2 is 0.35 D, indicating permeability; however, •NO2 can be eliminated quickly. The dipole moments of •OH (1.67 D) and ONOOH (1.77 D) indicate that they might be permeable. This study also suggests that the mitochondria play a central role in protecting against further oxidative stress in cells. The amounts, the long half-life, the diffusion distance, the Pm, the one-electron reduction potential, the pKa, and the rate constants for the reaction with ascorbate and glutathione are listed for various ROS/RNS, •OH, singlet oxygen (1O2), H2O2, O2•-, HO2•, •NO, •NO2, ONOO-, and ONOOH, and compared with those for H2O and oxygen (O2). Molecules with negative electrical charges cannot directly diffuse through the phospholipid bilayer of the mitochondrial membranes. Short-lived molecules, such as •OH, would be difficult to contribute to intracellular signaling. Finally, HO2• and ONOOH were selected as candidates for the ROS/RNS that pass through the mitochondrial membrane.
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Affiliation(s)
- Daisuke Masuda
- Department of Space Environmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8544, Kagoshima, Japan;
- Utilization & Engineering Department, Japan Manned Space Systems Corporation, 2-1-6 Tsukuba, Tsukuba 305-0047, Ibaraki, Japan
| | - Ikuo Nakanishi
- Quantum RedOx Chemistry Team, Institute for Quantum Life Science (iQLS), Quantum Life and Medical Science Directorate (QLMS), National Institutes for Quantum Science and Technology (QST), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;
| | - Kei Ohkubo
- Institute for Advanced Co-Creation Studies, Open and Transdisciplinary Research Initiatives, Osaka University, Suita 565-0871, Japan;
| | - Hiromu Ito
- Quantum RedOx Chemistry Team, Institute for Quantum Life Science (iQLS), Quantum Life and Medical Science Directorate (QLMS), National Institutes for Quantum Science and Technology (QST), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;
- Department of Maxillofacial Radiology, Field of Oncology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Kagoshima, Japan
| | - Ken-ichiro Matsumoto
- Quantitative RedOx Sensing Group, Department of Radiation Regulatory Science Research, Institute for Radiological Science (NIRS), Quantum Life and Medical Science Directorate (QLMS), National Institutes for Quantum Science and Technology (QST), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;
| | - Hiroshi Ichikawa
- Department of Medical Life Systems, Graduate School of Life and Medical Sciences, Doshisha University, Kyoto 610-0394, Kyoto, Japan;
| | - Moragot Chatatikun
- School of Allied Health Sciences, Walailak University, Thasala, Nakhon Si Thammarat 80161, Thailand; (M.C.); (W.K.K.); (M.K.); (J.T.)
- Center of Excellence Research for Melioidosis and Microorganisms, Walailak University, Thasala, Nakhon Si Thammarat 80161, Thailand
| | - Wiyada Kwanhian Klangbud
- School of Allied Health Sciences, Walailak University, Thasala, Nakhon Si Thammarat 80161, Thailand; (M.C.); (W.K.K.); (M.K.); (J.T.)
- Center of Excellence Research for Melioidosis and Microorganisms, Walailak University, Thasala, Nakhon Si Thammarat 80161, Thailand
| | - Manas Kotepui
- School of Allied Health Sciences, Walailak University, Thasala, Nakhon Si Thammarat 80161, Thailand; (M.C.); (W.K.K.); (M.K.); (J.T.)
| | - Motoki Imai
- Regenerative Medicine and Cell Design Research Facility, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara 252-0373, Kanagawa, Japan; (M.I.); (F.K.); (M.K.); (T.I.)
- Department of Molecular Diagnostics, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara 252-0373, Kanagawa, Japan
| | - Fumitaka Kawakami
- Regenerative Medicine and Cell Design Research Facility, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara 252-0373, Kanagawa, Japan; (M.I.); (F.K.); (M.K.); (T.I.)
- Department of Regulation Biochemistry, Kitasato University Graduate School of Medical Sciences, 1-15-1 Kitasato, Sagamihara 252-0373, Kanagawa, Japan
- Department of Health Administration, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara 252-0373, Kanagawa, Japan
| | - Makoto Kubo
- Regenerative Medicine and Cell Design Research Facility, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara 252-0373, Kanagawa, Japan; (M.I.); (F.K.); (M.K.); (T.I.)
- Division of Microbiology, Kitasato University School of Allied Health Sciences, 1-15-1 Kitasato, Minami-ku, Sagamihara 252-0373, Kanagawa, Japan
- Department of Environmental Microbiology, Graduate School of Medical Sciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara 252-0373, Kanagawa, Japan
| | - Hirofumi Matsui
- Division of Gastroenterology, Graduate School of Comprehensive Human Science, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan;
| | - Jitbanjong Tangpong
- School of Allied Health Sciences, Walailak University, Thasala, Nakhon Si Thammarat 80161, Thailand; (M.C.); (W.K.K.); (M.K.); (J.T.)
- Research Excellence Center for Innovation and Health Products (RECIHP), School of Allied Health Sciences, Walailak University, Thasala, Nakhon Si Thammarat 80160, Thailand
| | - Takafumi Ichikawa
- Regenerative Medicine and Cell Design Research Facility, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara 252-0373, Kanagawa, Japan; (M.I.); (F.K.); (M.K.); (T.I.)
- Department of Molecular Diagnostics, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara 252-0373, Kanagawa, Japan
| | - Toshihiko Ozawa
- Nihon Pharmaceutical University, 10281 Komuro, Ina-machi, Kitaadachi-gun, Saitama 362-0806, Saitama, Japan;
| | - Hsiu-Chuan Yen
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
- Department of Nephrology, Chang Gung Memorial Hospital at Linkou, Taoyuan 33305, Taiwan
| | - Daret K. St Clair
- Department of Toxicology and Cancer Biology, University of Kentucky College of Medicine, Lexington, KY 40536, USA;
| | - Hiroko P. Indo
- Department of Maxillofacial Radiology, Field of Oncology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Kagoshima, Japan
| | - Hideyuki J. Majima
- Department of Space Environmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8544, Kagoshima, Japan;
- Department of Maxillofacial Radiology, Field of Oncology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Kagoshima, Japan
- School of Allied Health Sciences, Walailak University, Thasala, Nakhon Si Thammarat 80161, Thailand; (M.C.); (W.K.K.); (M.K.); (J.T.)
- Research Excellence Center for Innovation and Health Products (RECIHP), School of Allied Health Sciences, Walailak University, Thasala, Nakhon Si Thammarat 80160, Thailand
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9
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Paul S, Ashrit P, Kumar M, Mete S, Ghosh S, Vemula PK, Mukherjee A, De P. Photostimulated Extended Nitric Oxide (NO) Release from Water-Soluble Block Copolymer to Enhance Antibacterial Activity. Biomacromolecules 2024; 25:77-88. [PMID: 38048403 DOI: 10.1021/acs.biomac.3c00822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
N-Nitrosamines are well established motifs to release nitric oxide (NO) under photoirradiation. Herein, a series of amphiphilic N-nitrosamine-based block copolymers (BCPx-NO) are developed to attain controlled NO release under photoirradiation (365 nm, 3.71 mW/cm2). The water-soluble BCPx-NO forms micellar architecture in aqueous medium and exhibits a sustained NO release of 92-160 μM within 11.5 h, which is 36.8-64.0% of the calculated value. To understand the NO release mechanism, a small molecular NO donor (NOD) resembling the NO releasing functional motif of BCPx-NO is synthesized, which displays a burst NO release in DMSO within 2.5 h. The radical nature of the released NO is confirmed by electron paramagnetic resonance (EPR) spectroscopy. The gradual NO release from micellar BCPx-NO enhances antibacterial activity over NOD and exhibits a superior bactericidal effect on Gram-positive Staphylococcus aureus. In relation to biomedical applications, this work offers a comprehensive insight into tuning light-triggered NO release to improve antibacterial activity.
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Affiliation(s)
| | - Priya Ashrit
- Institute for Stem Cell Science and Regenerative Medicine (InStem), UAS-GKVK Campus, Bellary Road, Bangalore 560065, Karnataka, India
| | | | - Sourav Mete
- Institute for Stem Cell Science and Regenerative Medicine (InStem), UAS-GKVK Campus, Bellary Road, Bangalore 560065, Karnataka, India
| | | | - Praveen Kumar Vemula
- Institute for Stem Cell Science and Regenerative Medicine (InStem), UAS-GKVK Campus, Bellary Road, Bangalore 560065, Karnataka, India
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10
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Su M, Ji X, Liu F, Li Z, Yan D. Chemical Strategies Toward Prodrugs and Fluorescent Probes for Gasotransmitters. Mini Rev Med Chem 2024; 24:300-329. [PMID: 37102481 DOI: 10.2174/1389557523666230427152234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/03/2023] [Accepted: 02/20/2023] [Indexed: 04/28/2023]
Abstract
Three gaseous molecules are widely accepted as important gasotransmitters in mammalian cells, namely NO, CO and H2S. Due to the pharmacological effects observed in preclinical studies, these three gasotransmitters represent promising drug candidates for clinical translation. Fluorescent probes of the gasotransmitters are also in high demand; however, the mechanisms of actions or the roles played by gasotransmitters under both physiological and pathological conditions remain to be answered. In order to bring these challenges to the attention of both chemists and biologists working in this field, we herein summarize the chemical strategies used for the design of both probes and prodrugs of these three gasotransmitters.
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Affiliation(s)
- Ma Su
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Suzhou University, China
| | - Xingyue Ji
- Department of Medicinal Chemistry, Jiangsu Key Laboratory of Neuropsychiatric Diseases, Suzhou University, China
| | - Feng Liu
- Department of Medicinal Chemistry, Jiangsu Key Laboratory of Neuropsychiatric Diseases, Suzhou University, China
| | - Zhang Li
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Suzhou University, China
| | - Duanyang Yan
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Suzhou University, China
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11
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Lan Y, Chen X, Yang Z. Quantification of Nitric Oxide in Single Cells Using the Single-Probe Mass Spectrometry Technique. Anal Chem 2023; 95:18871-18879. [PMID: 38092461 DOI: 10.1021/acs.analchem.3c04393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Nitric oxide (NO) is a small molecule that plays important roles in biological systems and human diseases. The abundance of intracellular NO is tightly related to numerous biological processes. Due to cell heterogeneity, the intracellular NO amounts significantly vary from cell to cell, and therefore, any meaningful studies need to be conducted at the single-cell level. However, measuring NO in single cells is very challenging, primarily due to the extremely small size of single cells and reactive nature of NO. In the current studies, the quantitative reaction between NO and amlodipine, a compound containing the Hantzsch ester group, was performed in live cells. The product dehydro amlodipine was then detected by the Single-probe single-cell mass spectrometry technique to quantify NO in single cells. The experimental results indicated heterogeneous distributions of intracellular NO amounts in single cells with the existence of subpopulations.
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Affiliation(s)
- Yunpeng Lan
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019, United States
| | - Xingxiu Chen
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019, United States
| | - Zhibo Yang
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019, United States
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12
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Dai Y, Zhou J, Wei C, Chai L, Xie X, Liu R, Lv Y. "Iridium Signature" Mass Spectrometric Probes: New Tools Integrated in a Liquid Chromatography-Mass Spectrometry Workflow for Routine Profiling of Nitric Oxide and Metabolic Fingerprints in Cells. Anal Chem 2023. [PMID: 37262414 DOI: 10.1021/acs.analchem.3c01076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Nitric oxide (NO) is a highly reactive signaling molecule involved in diverse biological processes. Simultaneous profiling of NO and associated metabolic fingerprints in a single assay allows more accurate assessments of cell states and offers the possibility to better understand its exact biological roles. Herein, a multiplexing LC-MS workflow was established for simultaneous detection of intracellular NO and various metabolites based on a novel "iridium signature" mass spectrometric probe (Ir-MSP841). This Ir-MSP841 can convert highly liable NO to a stable permanently charged triazole product (Ir-TP852), enabling direct MS detection of NO. This 191/193Ir-signature mass spectrometric probe-based approach is endowed with overwhelming advantages of interference-free, high quantitative accuracy, and great sensitivity (limit of detection down to 0.14 nM). It also reveals good linearity over a wide concentration range 12.5-500 nM and has been successfully employed for exploring the release behaviors of three representative NO donors in cells. Meanwhile, metabolic profiling results reveal that varying the concentrations of NO has distinct effects on various cellular metabolites. This study provides a robust, sensitive, and versatile method for simultaneous detection of NO and numerous metabolites in a single LC-MS run and expands its applications in biomedical research.
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Affiliation(s)
- Yongcheng Dai
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Jing Zhou
- Analytical and Testing Center, Sichuan University, Chengdu 610064, China
| | - Chudong Wei
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Li Chai
- Core Facility of West China Hospital, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xiaobo Xie
- Analytical and Testing Center, Sichuan University, Chengdu 610064, China
| | - Rui Liu
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Yi Lv
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
- Analytical and Testing Center, Sichuan University, Chengdu 610064, China
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13
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Arnau Del Valle C, Thomas P, Galindo F, Muñoz MP, Marín MJ. Gold nanoparticle-based two-photon fluorescent nanoprobe for monitoring intracellular nitric oxide levels. J Mater Chem B 2023; 11:3387-3396. [PMID: 36919860 DOI: 10.1039/d3tb00103b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Nitric oxide (NO) plays an important role in the regulation of the immune, cardiovascular and nervous systems. Consequently, being able to monitor and quantify intracellular NO levels would provide a greater understanding of the implications of this molecule in the different biological processes, including, for example, in cancer. Here, we report a broadly applicable two-photon excitable fluorescent nanoprobe able to detect and potentially quantify NO levels in an extensive range of cellular environments. The nanoprobe consists of a thiolated photoinduced electron transfer-based two=photon fluorescent probe attached onto the surface of 2.4 ± 0.7 nm gold nanoparticles (DANPY-NO@AuNPs). The nanoprobe, which can be synthesised in a reproducible manner and exhibits great stability when stored at room temperature, is able to selectively detect NO in solution, with a dynamic range up to 150 μM, and at pH values of biological relevance. DANPY-NO@AuNPs were able to selectively detect endogenous NO in RAW264.7γ NO- macrophages and THP-1 human leukemic cells; and endogenous and exogenous NO in endothelial cells. The nanoprobe accumulated in the acidic organelles of the tested cell lines showing negligible toxicity. Importantly, DANPY-NO@AuNPs showed potential to quantify intracellular NO concentrations in MDA-MB-231 breast cancer cells. The biological evaluation of the nanoprobe was undertaken using confocal laser scanning (images and intracellular emission spectra) and multiphoton microscopies, and flow cytometry. Based on their excellent sensitivity and stability, and outstanding versatility, DANPY-NO@AuNPs can be applied for the spatiotemporal monitoring of in vitro and in vivo NO levels.
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Affiliation(s)
- Carla Arnau Del Valle
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK.
| | - Paul Thomas
- Henry Wellcome Laboratory for Cell Imaging, Faculty of Science, University of East Anglia, Norwich Research Park, Norwich, NR4 7T, UK
| | - Francisco Galindo
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Av. Sos Baynat s/n, Castellón de la Plana, 12071, Spain
| | - María Paz Muñoz
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK. .,Department of Chemistry, Lancaster University, Bailrigg, Lancaster, LA1 4YB, UK
| | - María J Marín
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK.
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14
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Maher S, Smith LA, El-Khoury CA, Kalil H, Sossey-Alaoui K, Bayachou M. Inducible Nitric Oxide Synthase Embedded in Alginate/Polyethyleneimine Hydrogel as a New Platform to Explore NO-Driven Modulation of Biological Function. Molecules 2023; 28:1612. [PMID: 36838600 PMCID: PMC9963145 DOI: 10.3390/molecules28041612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/18/2023] [Accepted: 01/28/2023] [Indexed: 02/11/2023] Open
Abstract
Nitric oxide (NO), a small free radical molecule, turned out to be pervasive in biology and was shown to have a substantial influence on a range of biological activities, including cell growth and apoptosis. This molecule is involved in signaling and affects a number of physiologic functions. In recent decades, several processes related to cancer, such as angiogenesis, programmed cell death, infiltration, cell cycle progression, and metastasis, have been linked with nitric oxide. In addition, other parallel work showed that NO also has the potential to operate as an anti-cancer agent. As a result, it has gained attention in cancer-related therapeutics. The nitric oxide synthase enzyme family (NOS) is required for the biosynthesis of nitric oxide. It is becoming increasingly popular to develop NO-releasing materials as strong tumoricidal therapies that can deliver sustained high concentrations of nitric oxide to tumor sites. In this paper, we developed NO-releasing materials based on sodium alginate hydrogel. In this regard, alginate hydrogel discs were modified by adsorbing layers of polyethyleneimine and iNOS-oxygenase. These NO-releasing hydrogel discs were prepared using the layer-by-layer film building technique. The iNOS-oxygenase is adsorbed on the positively charged polyethyleneimine (PEI) matrix layer, which was formed on a negatively charged sodium alginate hydrogel. We show that nitric oxide is produced by enzymes contained within the hydrogel material when it is exposed to a solution containing all the components necessary for the NOS reaction. The electrostatic chemical adsorption of the layer-by-layer process was confirmed by FTIR measurements as well as scanning electron microscopy. We then tested the biocompatibility of the resulting modified sodium alginate hydrogel discs. We showed that this NOS-PEI-modified hydrogel is overall compatible with cell growth. We characterized the NOS/hydrogel films and examined their functional features in terms of NO release profiles. However, during the first 24 h of activity, these films show an increase in NO release flux, followed by a gradual drop and then a period of stable NO release. These findings show the inherent potential of using this system as a platform for NO-driven modulation of biological functions, including carcinogenesis.
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Affiliation(s)
- Shaimaa Maher
- Chemistry Department, Cleveland State University, Cleveland, OH 44115, USA
| | - Lauren A. Smith
- Chemistry Department, Cleveland State University, Cleveland, OH 44115, USA
| | | | - Haitham Kalil
- Chemistry Department, Cleveland State University, Cleveland, OH 44115, USA
| | - Khalid Sossey-Alaoui
- Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
- Metro Health Medical Center, Cleveland, OH 44109, USA
| | - Mekki Bayachou
- Chemistry Department, Cleveland State University, Cleveland, OH 44115, USA
- Department of Inflammation & Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
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15
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Sun P, Shi Y, Shi Y. Multivariate Regression in Conjunction with GA-BP for Optimization of Data Processing of Trace NO Gas Flow in Active Pumping Electronic Nose. SENSORS (BASEL, SWITZERLAND) 2023; 23:1524. [PMID: 36772572 PMCID: PMC9919135 DOI: 10.3390/s23031524] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/18/2023] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
Exhaled nitric oxide trace gas at the ppb level is a biomarker of human airway inflammation. To detect this, we developed a method for the collection of active pumping electronic nose bionic chamber gas. An optimization algorithm based on multivariate regression (MR) and genetic algorithm-back propagation (GA-BP) was proposed to improve the accuracy of trace-level gas detection. An electronic nose was used to detect NO gas at the ppb level by substituting breathing gas with a sample gas. The impact of the pump suction flow capacity variation on the response of the electronic nose system was determined using an ANOVA. Further, the optimization algorithm based on MR and GA-BP was studied for flow correction. The results of this study demonstrate an increase in the detection accuracy of the system by more than twofold, from 17.40%FS before correction to 6.86%FS after correction. The findings of this research lay the technical groundwork for the practical application of electronic nose systems in the daily monitoring of FeNO.
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Affiliation(s)
- Pengjiao Sun
- The Higher Educational Key Laboratory for Measuring & Control Technology and Instrumentation of Heilongjiang Province, Harbin University of Science and Technology, Harbin 150080, China
- Electronics and Communication Engineering School, Jilin Technology College of Electronic Information, Jilin 132021, China
| | - Yunbo Shi
- The Higher Educational Key Laboratory for Measuring & Control Technology and Instrumentation of Heilongjiang Province, Harbin University of Science and Technology, Harbin 150080, China
- Heilongjiang Province Key Laboratory of Laser Spectroscopy Technology and Application, Harbin University of Science and Technology, Harbin 150080, China
- National Experimental Teaching Demonstration Center for Measurement and Control Technology and Instrumentation, Harbin University of Science and Technology, Harbin 150080, China
| | - Yeping Shi
- The Higher Educational Key Laboratory for Measuring & Control Technology and Instrumentation of Heilongjiang Province, Harbin University of Science and Technology, Harbin 150080, China
- Electronics and Communication Engineering School, Jilin Technology College of Electronic Information, Jilin 132021, China
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16
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Cerra MC, Filice M, Caferro A, Mazza R, Gattuso A, Imbrogno S. Cardiac Hypoxia Tolerance in Fish: From Functional Responses to Cell Signals. Int J Mol Sci 2023; 24:ijms24021460. [PMID: 36674975 PMCID: PMC9866870 DOI: 10.3390/ijms24021460] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/14/2023] Open
Abstract
Aquatic animals are increasingly challenged by O2 fluctuations as a result of global warming, as well as eutrophication processes. Teleost fish show important species-specific adaptability to O2 deprivation, moving from intolerance to a full tolerance of hypoxia and even anoxia. An example is provided by members of Cyprinidae which includes species that are amongst the most tolerant hypoxia/anoxia teleosts. Living at low water O2 requires the mandatory preservation of the cardiac function to support the metabolic and hemodynamic requirements of organ and tissues which sustain whole organism performance. A number of orchestrated events, from metabolism to behavior, converge to shape the heart response to the restricted availability of the gas, also limiting the potential damages for cells and tissues. In cyprinids, the heart is extraordinarily able to activate peculiar strategies of functional preservation. Accordingly, by using these teleosts as models of tolerance to low O2, we will synthesize and discuss literature data to describe the functional changes, and the major molecular events that allow the heart of these fish to sustain adaptability to O2 deprivation. By crossing the boundaries of basic research and environmental physiology, this information may be of interest also in a translational perspective, and in the context of conservative physiology, in which the output of the research is applicable to environmental management and decision making.
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17
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Nogueira RS, Salu BR, Nardelli VG, Bonturi CR, Pereira MR, de Abreu Maffei FH, Cilli EM, Oliva MLV. A snake venom-analog peptide that inhibits SARS-CoV-2 and papain-like protease displays antithrombotic activity in mice arterial thrombosis model, without interfering with bleeding time. Thromb J 2023; 21:1. [PMID: 36593467 PMCID: PMC9806807 DOI: 10.1186/s12959-022-00436-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 11/18/2022] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND (p-BthTX-I)2 K, a dimeric analog peptide derived from the C-terminal region of phospholipase A2-like bothropstoxin-I (p-BthTX-I), is resistant to plasma proteolysis and inhibits severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) strains with weak cytotoxic effects. Complications of SARS-CoV-2 infection include vascular problems and increased risk of thrombosis; therefore, studies to identify new drugs for treating SARS-CoV-2 infections that also inhibit thrombosis and minimize the risk of bleeding are required. OBJECTIVES To determine whether (p-BthTX-I)2 K affects the hemostatic system. METHODS Platelet aggregation was induced by collagen, arachidonic acid, and adenosine diphosphate (ADP) in the Chronolog Lumi-aggregometer. The coagulation activity was evaluated by determining activated partial thromboplastin clotting time (aPTT) and prothrombin time (PT) with (p-BthTX-I)2 K (5.0-434.5 µg) or 0.9% NaCl. Arterial thrombosis was induced with a 540 nm laser and 3.5-20 mg kg- 1 Rose Bengal in the carotid artery of male C57BL/6J mice using (p-BthTX-I)2 K. Bleeding time was determined in mouse tails immersed in saline at 37 °C after (p-BthTX-I)2 K (4.0 mg/kg and 8.0 mg/kg) or saline administration. RESULTS (p-BthTX-I)2 K prolonged the aPTT and PT by blocking kallikrein and FXa-like activities. Moreover, (p-BthTX-I)2 K inhibited ADP-, collagen-, and arachidonic acid-induced platelet aggregation in a dose-dependent manner. Further, low concentrations of (p-BthTX-I)2 K extended the time to artery occlusion by the formed thrombus. However, (p-BthTX-I)2 K did not prolong the bleeding time in the mouse model of arterial thrombosis. CONCLUSION These results demonstrate the antithrombotic activity of the peptide (p-BthTX-I)2 K possibly by kallikrein inhibition, suggesting its strong biotechnological potential.
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Affiliation(s)
- Ruben Siedlarczyk Nogueira
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
| | - Bruno Ramos Salu
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
| | - Vinícius Goulart Nardelli
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
| | - Camila Ramalho Bonturi
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
| | - Marina Rodrigues Pereira
- grid.410543.70000 0001 2188 478XDepartment of Biochemistry and Organic Chemistry, Institute of Chemistry, Universidade Estadual Paulista (UNESP), SP 14800-060 São Paulo, Araraquara, Brazil
| | - Francisco Humberto de Abreu Maffei
- grid.410543.70000 0001 2188 478XDepartment of Surgery and Orthopedics, Universidade Estadual Paulista (UNESP), 18618-687 São Paulo, Botucatu, SP Brazil
| | - Eduardo Maffud Cilli
- grid.410543.70000 0001 2188 478XDepartment of Biochemistry and Organic Chemistry, Institute of Chemistry, Universidade Estadual Paulista (UNESP), SP 14800-060 São Paulo, Araraquara, Brazil
| | - Maria Luiza Vilela Oliva
- grid.411249.b0000 0001 0514 7202Department of Biochemistry, Universidade Federal de São Paulo (UNIFESP), SP 04044- 020 São Paulo, Brazil
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18
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Recent advances in colorimetric and fluorometric sensing of neurotransmitters by organic scaffolds. Eur J Med Chem 2022; 244:114820. [DOI: 10.1016/j.ejmech.2022.114820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 09/22/2022] [Accepted: 09/30/2022] [Indexed: 11/22/2022]
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Douglass M, Garren M, Devine R, Mondal A, Handa H. Bio-inspired hemocompatible surface modifications for biomedical applications. PROGRESS IN MATERIALS SCIENCE 2022; 130:100997. [PMID: 36660552 PMCID: PMC9844968 DOI: 10.1016/j.pmatsci.2022.100997] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
When blood first encounters the artificial surface of a medical device, a complex series of biochemical reactions is triggered, potentially resulting in clinical complications such as embolism/occlusion, inflammation, or device failure. Preventing thrombus formation on the surface of blood-contacting devices is crucial for maintaining device functionality and patient safety. As the number of patients reliant on blood-contacting devices continues to grow, minimizing the risk associated with these devices is vital towards lowering healthcare-associated morbidity and mortality. The current standard clinical practice primarily requires the systemic administration of anticoagulants such as heparin, which can result in serious complications such as post-operative bleeding and heparin-induced thrombocytopenia (HIT). Due to these complications, the administration of antithrombotic agents remains one of the leading causes of clinical drug-related deaths. To reduce the side effects spurred by systemic anticoagulation, researchers have been inspired by the hemocompatibility exhibited by natural phenomena, and thus have begun developing medical-grade surfaces which aim to exhibit total hemocompatibility via biomimicry. This review paper aims to address different bio-inspired surface modifications that increase hemocompatibility, discuss the limitations of each method, and explore the future direction for hemocompatible surface research.
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Affiliation(s)
- Megan Douglass
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Mark Garren
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Ryan Devine
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Arnab Mondal
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA, USA
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20
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Arnau Del Valle C, Williams L, Thomas P, Johnson R, Raveenthiraraj S, Warren D, Sobolewski A, Muñoz MP, Galindo F, Marín MJ. A highly photostable and versatile two-photon fluorescent probe for the detection of a wide range of intracellular nitric oxide concentrations in macrophages and endothelial cells. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 234:112512. [PMID: 35850002 DOI: 10.1016/j.jphotobiol.2022.112512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/20/2022] [Accepted: 07/02/2022] [Indexed: 06/15/2023]
Abstract
Nitric oxide (NO) is involved in many biological processes affecting the cardiovascular, nervous and immune systems. Intracellular NO can be monitored using fluorescent probes in combination with fluorescence imaging techniques. Most of the currently available NO fluorescent molecular probes are excited via one-photon excitation using UV or Vis light, which results in poor penetration and high photodamage to living tissues. Here, we report a two-photon fluorescent molecular probe, DANPY-NO, able to detect NO in live cells. The probe consists of an o-phenylenediamine linked to a naphthalimide core; and operates via photoinduced electron transfer. DANPY-NO exhibits good sensitivity (LOD of 77.8 nM) and high selectivity towards NO, and is stable over a broad range of pHs. The probe targeted acidic organelles within macrophages and endothelial cells, and demonstrated enhanced photostability over a commercially available NO probe. DANPY-NO was used to selectively detect endogenous NO in RAW264.7ϒ NO- macrophages, THP-1 human leukemic cells, primary mouse (bone marrow-derived) macrophages and endothelial cells. The probe was also able to detect exogenous NO in endothelial cells and distinguish between increasing concentrations of NO. The NO detection was evidenced using confocal laser scanning and two-photon microscopies, and flow cytometry. Further evidence was obtained by recording the changes in the intracellular fluorescence emission spectrum of the probe. Importantly, the probe displayed negligible toxicity to the analysed biological samples. The excellent sensitivity, selectivity, stability and versatility of DANPY-NO confirm its potential for in vitro and in vivo imaging of NO.
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Affiliation(s)
- Carla Arnau Del Valle
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Lewis Williams
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Paul Thomas
- Faculty of Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Robert Johnson
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | | | - Derek Warren
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Anastasia Sobolewski
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - María Paz Muñoz
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Francisco Galindo
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Av. Sos Baynat s/n, Castellón de la Plana 12071, Spain
| | - María J Marín
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK.
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21
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Hayter EA, Azibere S, Skrajewski LA, Soule LD, Spence DM, Martin RS. A 3D-printed, multi-modal microfluidic device for measuring nitric oxide and ATP release from flowing red blood cells. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:3171-3179. [PMID: 35959771 PMCID: PMC10227723 DOI: 10.1039/d2ay00931e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
In this paper, a 3D-printed multi-modal device was designed and fabricated to simultaneously detect nitric oxide (NO) and adenosine triphosphate (ATP) in red blood cell suspensions prepared from whole blood. Once a sample was injected into the device, NO was first detected (via amperometry) using a three-electrode, dual-opposed, electrode configuration with a platinum-black/Nafion coated gold working electrode. After in-line amperometric detection of NO, ATP was detected via a chemiluminescence reaction, with a luciferin/luciferase solution continuously pumped into an integrated mixing T and the resulting light being measured with a PMT underneath the channel. The device was optimized for mixing/reaction conditions, limits of detection (40 nM for NO and 30 nM for ATP), and sensitivity. This device was used to determine the basal (normoxic) levels of NO and ATP in red blood cells, as well as an increase in concentration of both analytes under hypoxic conditions. Finally, the effect of storing red blood cells in a commonly used storage solution was also investigated by monitoring the production of NO and ATP over a three-week storage time.
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Affiliation(s)
- Elizabeth A Hayter
- Department of Chemistry, Saint Louis University, 3501 Laclede Ave St. Louis, MO, USA, 63103.
| | - Samuel Azibere
- Department of Chemistry, Saint Louis University, 3501 Laclede Ave St. Louis, MO, USA, 63103.
| | - Lauren A Skrajewski
- Department of Biomedical Engineering, Institute for Quantitative Health Science & Engineering, Michigan State University, USA
| | - Logan D Soule
- Department of Biomedical Engineering, Institute for Quantitative Health Science & Engineering, Michigan State University, USA
| | - Dana M Spence
- Department of Biomedical Engineering, Institute for Quantitative Health Science & Engineering, Michigan State University, USA
| | - R Scott Martin
- Department of Chemistry, Saint Louis University, 3501 Laclede Ave St. Louis, MO, USA, 63103.
- Center for Additive Manufacturing, Saint Louis University, USA
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22
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Nitric oxide detection using catalytic properties of CuCo-PTC metal organic framework. Mikrochim Acta 2022; 189:263. [PMID: 35776229 DOI: 10.1007/s00604-022-05366-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 06/03/2022] [Indexed: 10/17/2022]
Abstract
As a vital gaseous signal molecule involved in various physiological and pathological processes, nitric oxide (NO) has attracted extensive attention in the last few decades. In this work, a copper and cobalt element-doped, biphenyl-(3, 4', 5)-tricarboxylic acid (H3PTC)-synthesized metal organic framework (CuCo-PTC MOF) composite with catalytic ability was synthesized by solvothermal method. The material can catalyse the oxidation of o-phenylenediamine (OPD) groups by hydrogen peroxide (H2O2) to form fluorophores (OPDox) with yellow fluorescence emission and greatly improves its reaction rate. In the presence of NO, OPD will react with NO to produce N-(2-hydrazinophenyl) methylamine, and the group will not react with H2O2. Therefore, the concentration of NO can be measured indirectly by comparing the changes of fluorescence intensity in the presence and absence of NO. As the concentration of NO changes, the change of solution colour (from bright yellow to colourless) can also be observed under a 365-nm UV lamp. Furthermore, the method represents high selectivity for NO and shows a fast (within 5 min) and specific fluorescence response toward NO with a linear range from 0.25 to 2.0 μM; the strategy has a limit of detection (LOD) of 0.15 μM. More importantly, the probe was successfully used to detect NO in cell lysate. The recovery was between 98.5 and 103.6%, and the relative standard deviation was between 0.4 and 1.8%. The endogenous NO in cells was successfully detected under the stimulation of L-arginine, which proved the possibility of the probe in real-time and rapid sensing in actual samples and cells. The results indicate that this sensing strategy has the potential to detect NO in the internal environment. Schematic of fluorescence detection of NO.
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Mutreja V, Kumar A, Sareen S, Pathania K, Sandhu H, Kataria R, Pawar SV, Mehta SK, Park J. Aggregation‐Induced Quenching of Carbon Dots for Detection of Nitric oxide. ChemistrySelect 2022. [DOI: 10.1002/slct.202200448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Vishal Mutreja
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
- Division Chemistry University Institute of Sciences Chandigarh University Gharuan, Mohali Punjab India
- School of Electrical Engineering and Computer Science University of Ottawa Ottawa ON K1 N 6 N5 Canada
| | - Ajay Kumar
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Shweta Sareen
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Khushboo Pathania
- University Institute of Pharmaceutical Sciences (UIPS) Panjab University Chandigarh 160014 India
| | - Harshit Sandhu
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Ramesh Kataria
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Sandip V. Pawar
- University Institute of Pharmaceutical Sciences (UIPS) Panjab University Chandigarh 160014 India
| | - Surinder K. Mehta
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Jeongwon Park
- School of Electrical Engineering and Computer Science University of Ottawa Ottawa ON K1 N 6 N5 Canada
- Department of Electrical and Biomedical Engineering University of Nevada Reno USA
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24
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Jothi D, Iyer SK. A highly sensitive naphthalimide based fluorescent “turn-on” sensor for H2S and its bio-imaging applications. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113802] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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25
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S-Nitrosylation of Paraxonase 1 (PON1) Elevates Its Hydrolytic and Antioxidant Activities. Biomolecules 2022; 12:biom12030414. [PMID: 35327606 PMCID: PMC8946601 DOI: 10.3390/biom12030414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/01/2022] [Accepted: 03/04/2022] [Indexed: 11/16/2022] Open
Abstract
Covalent binding between nitric oxide (NO) and a protein’s free thiol group (SH) is termed protein S-nitrosylation. Protein S-nitrosylation is involved in cellular regulation mechanisms that underlie a wide range of critical functions, such as apoptosis, alteration of enzyme activities, and transcription-factor stability. Impaired protein S-nitrosylation is associated with a growing list of pathophysiological conditions, such as cardiovascular disease, multiple sclerosis, pulmonary hypertension, and sickle cell disease. The enzyme paraoxonase 1 (PON1) binds to high-density lipoprotein to provide many of its antiatherogenic properties. The enzyme has a strong antioxidant capacity, which protects fats, lipids, and lipoproteins from oxidation, in addition to breaking down oxidized fats. We investigated the effect of S-S transnitrosylation on PON1 activities. Incubation of recombinant PON1 (rePON1) with nitrosylated human serum albumin (HSA-NO) resulted in S-nitrosylation of about 70% of the rePON1, as measured by Q-TOF LC/MS. S-nitrosylation significantly increased rePON1 hydrolytic activities. It also increased rePON1’s ability to inhibit low-density lipoprotein oxidation induced by Cu2+. Finally, it increased the enzyme’s penetration into macrophage cells by 31%. Our findings suggest that S-nitrosylation of rePON1 improves its biological functions which may positively affect atherosclerosis disease progression.
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26
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Markiewicz R, Litowczenko J, Gapiński J, Woźniak A, Jurga S, Patkowski A. Nanomolar Nitric Oxide Concentrations in Living Cells Measured by Means of Fluorescence Correlation Spectroscopy. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27031010. [PMID: 35164275 PMCID: PMC8838662 DOI: 10.3390/molecules27031010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 01/28/2022] [Accepted: 01/31/2022] [Indexed: 01/18/2023]
Abstract
Measurement of the nitric oxide (NO) concentration in living cells in the physiological nanomolar range is crucial in understanding NO biochemical functions, as well as in characterizing the efficiency and kinetics of NO delivery by NO-releasing drugs. Here, we show that fluorescence correlation spectroscopy (FCS) is perfectly suited for these purposes, due to its sensitivity, selectivity, and spatial resolution. Using the fluorescent indicators, diaminofluoresceins (DAFs), and FCS, we measured the NO concentrations in NO-producing living human primary endothelial cells, as well as NO delivery kinetics, by an external NO donor to the immortal human epithelial living cells. Due to the high spatial resolution of FCS, the NO concentration in different parts of the cells were also measured. The detection of nitric oxide by means of diaminofluoresceins is much more efficient and faster in living cells than in PBS solutions, even though the conversion to the fluorescent form is a multi-step reaction.
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Affiliation(s)
- Roksana Markiewicz
- NanoBioMedical Centre, Adam Mickiewicz University, Wszechnicy Piastowskiej 3, 61-614 Poznan, Poland; (A.W.); (S.J.); (A.P.)
- Correspondence: (R.M.); (J.L.)
| | - Jagoda Litowczenko
- NanoBioMedical Centre, Adam Mickiewicz University, Wszechnicy Piastowskiej 3, 61-614 Poznan, Poland; (A.W.); (S.J.); (A.P.)
- Correspondence: (R.M.); (J.L.)
| | - Jacek Gapiński
- Department of Molecular Biophysics, Faculty of Physics, Adam Mickiewicz University in Poznan, ul. Uniwersytetu Poznańskiego 3, 61-614 Poznan, Poland;
| | - Anna Woźniak
- NanoBioMedical Centre, Adam Mickiewicz University, Wszechnicy Piastowskiej 3, 61-614 Poznan, Poland; (A.W.); (S.J.); (A.P.)
- Department of Biochemistry and Biotechnology, Poznan University of Life Sciences, Dojazd 11, 60-632 Poznan, Poland
| | - Stefan Jurga
- NanoBioMedical Centre, Adam Mickiewicz University, Wszechnicy Piastowskiej 3, 61-614 Poznan, Poland; (A.W.); (S.J.); (A.P.)
| | - Adam Patkowski
- NanoBioMedical Centre, Adam Mickiewicz University, Wszechnicy Piastowskiej 3, 61-614 Poznan, Poland; (A.W.); (S.J.); (A.P.)
- Department of Molecular Biophysics, Faculty of Physics, Adam Mickiewicz University in Poznan, ul. Uniwersytetu Poznańskiego 3, 61-614 Poznan, Poland;
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27
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Leite M, Tercya H, Nascimento BG, Rodrigues J, Santos R, Costa BPD, Nascimento WL, Luis ZG, Lima-Maximino M, Maximino C, Siqueira-Silva DH. Anesthesia or seizure-like behavior? The effects of two Amazonian plants, Acmella oleracea and Piper alatabaccum in zebrafish (Danio rerio). BRAZ J BIOL 2022; 82:e266010. [DOI: 10.1590/1519-6984.266010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/22/2022] [Indexed: 11/22/2022] Open
Abstract
Abstract Currently, available fish anesthetics can produce important side effects, including respiratory arrest and distress. Easy-to-implement alternatives with low toxicity are needed to ensure fish health as well as to help artisanal fisheries and fish sellers in handling and transporting fishes, and native plants seems to be the best alternative. We aimed to implement an anesthetic protocol using crude ethanolic extracts from flowers and leaves of two Amazonian plants, the Acmella oleracea and Piper alatabaccum. We first tested the extracts for anesthesia, using the zebrafish as model. Even though in some treatments the animals apparently entered deep anesthesia, many of them presented aberrant behaviors and even died. Thus, we performed new experiments testing the extracts effects on seizure-like behaviors of the fish. Only the leaf extract of A. oleracea has potential effects for fish anesthesia. Both the flower extract from this plant and the leaf extract from P. alatabaccum induced seizure-like behavior in the animals. In conclusion, besides bringing a possible new anesthetic protocol for fish, our work draws attention for the neurotoxic effects the anesthetic solutions may cause, since several studies defend other Piper species as anesthetic for fish and A. oleracea flowers’ extract was already pointed as fish anesthetic.
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Affiliation(s)
- M. Leite
- Universidade Federal do Sul e Sudeste do Pará, Brasil
| | - H. Tercya
- Universidade Federal do Sul e Sudeste do Pará, Brasil
| | | | - J. Rodrigues
- Universidade Federal do Sul e Sudeste do Pará, Brasil
| | - R. Santos
- Universidade Federal do Sul e Sudeste do Pará, Brasil
| | | | | | - Z. G. Luis
- Universidade Federal do Sul e Sudeste do Pará, Brasil
| | | | - C. Maximino
- Universidade Federal do Sul e Sudeste do Pará, Brasil
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28
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Geiger M, Hayter E, Martin R, Spence D. Red blood cells in type 1 diabetes and multiple sclerosis and technologies to measure their emerging roles. J Transl Autoimmun 2022; 5:100161. [PMID: 36039310 PMCID: PMC9418496 DOI: 10.1016/j.jtauto.2022.100161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 07/14/2022] [Accepted: 07/21/2022] [Indexed: 11/15/2022] Open
Affiliation(s)
- M. Geiger
- Institute of Quantitative Health Sciences and Engineering, Michigan State University, East Lansing, MI 48824, USA
- Department of Biomedical Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - E. Hayter
- Department of Chemistry, Saint Louis University, St. Louis, MO 63103, USA
| | - R.S. Martin
- Department of Chemistry, Saint Louis University, St. Louis, MO 63103, USA
| | - D. Spence
- Institute of Quantitative Health Sciences and Engineering, Michigan State University, East Lansing, MI 48824, USA
- Department of Biomedical Engineering, Michigan State University, East Lansing, MI 48824, USA
- Corresponding author. 775 Woodlot Drive, East Lansing, MI 48824, USA.
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29
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Guo J, Wei T, Huang Q, Li M, Yang C, Mou J, Shi L, Gao T, Li G. Direct acupuncture of nitric oxide by an electrochemical microsensor with high time-space resolution. Biosens Bioelectron 2022; 195:113667. [PMID: 34598107 DOI: 10.1016/j.bios.2021.113667] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/16/2021] [Accepted: 09/21/2021] [Indexed: 11/28/2022]
Abstract
Measurement of signal molecule is critically important for understanding living systems. Nitric oxide (NO) is a key redox signal molecule that shows diverse roles in virtually all life forms. However, probing into NO's activities is challenging as NO has restricted lifetime (<10 s) and limited diffusion distance (usually <200 μm). So, for the direct acupuncture of NO within the time-space resolution, an electrochemical microsensor has been designed and fabricated in this work. Fabrication of the microsensor is achieved by (1) selective assembly of an electrocatalytic transducer, (2) attaching the transducer on carbon fiber electrode, and (3) covered it with a screen layer to reduce signal interference. The fabricated microsensor exhibits high sensitivity (LOD, 13.5 pM), wide detection range (100 pM-5 μM), and good selectivity. Moreover, studies have revealed that the availability of the sensor for efficient detection of NO is due to the formation of a specific DNA/porphyrin hybrid structure that has synergetic effects on NO electrocatalysis. Therefore, NO release by cells and tissues can be directly and precisely traced, in which we have obtained the release pattern of NO by different cancer cell lines, and have known its dynamics in tumor microenvironment. The fabricated electrocatalytic microsensor may provide a unique and useful tool for the direct assay of NO with high time-space resolution, which promisingly gives a technical solution for the bioassay of NO in living systems.
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Affiliation(s)
- Jiarong Guo
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Tianxiang Wei
- School of Environment, Nanjing Normal University, Nanjing, 210023, China
| | - Qiongbo Huang
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Mingyue Li
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Cui Yang
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Junhui Mou
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Liu Shi
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Tao Gao
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China.
| | - Genxi Li
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China; Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, China.
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30
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Ishihara S, Machino T, Deguchi K, Ohki S, Mogami Y, Tansho M, Shimizu T, Hill JP, Yamauchi Y, Iyi N. Disposable Nitric Oxide Generator Based on a Structurally Deformed Nitrite-Type Layered Double Hydroxide. Inorg Chem 2021; 60:16008-16015. [PMID: 33861575 DOI: 10.1021/acs.inorgchem.1c00456] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The inhalation of nitric oxide (NO), which acts as a selective vasodilator of pulmonary blood vessels, is an established medical treatment. However, its wide adoption has been limited by the lack of a convenient delivery technique of this unstable gas. Here we report that a solid mixture of FeIISO4·7H2O and a layered double hydroxide (LDH) containing nitrite (NO2-) in the interlayer spaces (NLDH) stably generates NO at a therapeutic level (∼40 ppm over 12 h from freshly mixed solids; ∼80 ppm for 5-10 h from premixed solids) under air flow (0.25 L min-1) if the NLDH has been prepared by using a reconstruction method. Mg/Al-type LDH was calcined at 550 °C to remove interlayer CO32- and then treated with NaNO2 in water to reconstruct the NLDH. This one-pot, organic solvent-free process can be performed at large scales and is suitable for mass production. Humid air promotes anion exchange between NO2- and SO42- in the solid mixture, resulting in persistent interactions of NO2- and Fe2+, generating NO. In contrast to the previously reported NLDH prepared using an anion-exchange method, the reconstructed NLDH exhibits stable and persistent generation of NO because of partial deformation of the layered structures (e.g., particle aggregation, reduced crystallinity, and enhanced basicity). Degradation of the solid mixture is suppressed under dry conditions, so that a portable cartridge column that is readily available as an NO source for emergency situations can be prepared. This work demonstrates that the interlayer nanospace of LDH serves as a reaction mediator for excellent controllability of solid-state reactions. This inexpensive and disposable NO generator will facilitate NO inhalation therapy in developing countries and nonhospital locations.
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Affiliation(s)
- Shinsuke Ishihara
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Takeshi Machino
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Kenzo Deguchi
- NMR Station, Research Network and Facility Service Division, National Institute for Materials Science (NIMS), 3-13 Sakura, Tsukuba, Ibaraki 305-0003, Japan
| | - Shinobu Ohki
- NMR Station, Research Network and Facility Service Division, National Institute for Materials Science (NIMS), 3-13 Sakura, Tsukuba, Ibaraki 305-0003, Japan
| | - Yuuki Mogami
- NMR Station, Research Network and Facility Service Division, National Institute for Materials Science (NIMS), 3-13 Sakura, Tsukuba, Ibaraki 305-0003, Japan
| | - Masataka Tansho
- NMR Station, Research Network and Facility Service Division, National Institute for Materials Science (NIMS), 3-13 Sakura, Tsukuba, Ibaraki 305-0003, Japan
| | - Tadashi Shimizu
- NMR Station, Research Network and Facility Service Division, National Institute for Materials Science (NIMS), 3-13 Sakura, Tsukuba, Ibaraki 305-0003, Japan
| | - Jonathan P Hill
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yusuke Yamauchi
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Australian Institute for Bioengineering and Nanotechnology and School of Chemical Engineering, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Nobuo Iyi
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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31
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Shashanka Indeevara Rajapakse RM, Rajapakse S. Single-Walled Carbon Nanotube-Based Biosensors for Detection of Bronchial Inflammation. INTERNATIONAL JOURNAL OF NANOSCIENCE 2021. [DOI: 10.1142/s0219581x21300029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Inflammation is a protective mechanism against invading pathogens and tissue damage. However, the inflammatory process is implicated in a wide range of diseases affecting all organs and body systems. Nitric oxide — a multifunctional signaling molecule that plays a critical role in systemic blood pressure homeostasis, prevention of platelet aggregation, antimicrobial resistance, immunoregulation, tumor suppression and as a neurotransmitter — is used as a surrogate marker for inflammation. However, the most commonly used Griess assay is an indirect and expensive method for the determination of nitric oxide concentration. Hence, single-walled carbon nanotube-based biosensors have been explored as real-time, sensitive, selective and safe methods to determine nitric oxide released during the inflammatory process. In this review, we explore current developments in single-walled carbon nanotube-based biosensors for the detection of nitric oxide in exhaled breath as a direct and noninvasive test for detection of bronchial inflammation.
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Affiliation(s)
| | - Sanath Rajapakse
- Department of Molecular Biology and Biotechnology, Faculty of Science, University of Peradeniya, Sri Lanka
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32
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Paul S, Pan S, Mukherjee A, De P. Nitric Oxide Releasing Delivery Platforms: Design, Detection, Biomedical Applications, and Future Possibilities. Mol Pharm 2021; 18:3181-3205. [PMID: 34433264 DOI: 10.1021/acs.molpharmaceut.1c00486] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Gasotransmitters belong to the subfamily of endogenous gaseous signaling molecules, which find a wide range of biomedical applications. Among the various gasotransmitters, nitric oxide (NO) has an enormous effect on the cardiovascular system. Apart from this, NO showed a pivotal role in neurological, respiratory, and immunological systems. Moreover, the paradoxical concentration-dependent activities make this gaseous signaling molecule more interesting. The gaseous NO has negligible stability in physiological conditions (37 °C, pH 7.4), which restricts their potential therapeutic applications. To overcome this issue, various NO delivering carriers were reported so far. Unfortunately, most of these NO donors have low stability, short half-life, or low NO payload. Herein, we review the synthesis of NO delivering motifs, development of macromolecular NO donors, their advantages/disadvantages, and biological applications. Various NO detection analytical techniques are discussed briefly, and finally, a viewpoint about the design of polymeric NO donors with improved physicochemical characteristics is predicted.
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33
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Zhang SX, Marzluff EM, Lindgren CA. Quantitative determination of nitric oxide from tissue samples using liquid chromatography-Mass spectrometry. MethodsX 2021; 8:101412. [PMID: 34430307 PMCID: PMC8374528 DOI: 10.1016/j.mex.2021.101412] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/21/2021] [Accepted: 06/08/2021] [Indexed: 11/23/2022] Open
Abstract
We report a method to measure NO by reacting it with carboxy-PTIO to form carboxy-PTI. The carboxy-PTI is quantified by liquid chromatography – mass spectrometry (LCMS). This method can quantitate NO concentrations ranging from 5 nM to 1 μM.
Ever since it was found to mediate the endothelium-dependent dilation of blood vessels, nitric oxide (NO) has generated enormous research interest throughout the biological sciences. Over thirty years of research has identified NO as a ubiquitous and versatile regulatory factor utilized by both vertebrates and invertebrates. The short lifetime and low concentration of NO make quantitation difficult. Here we report a method for measuring NO using the selective reaction with 2-(4-carboxyphenyl)-4,5-dihydro-4,4,5,5-tetramethyl-1H-imidazolyl-1-oxy-3-oxide (carboxy-PTIO) to form carboxy-PTI. We used tandem mass spectrometry to verify the validity of this reaction, and liquid chromatography – mass spectrometry to quantitate the amount of carboxy-PTI formed. Using diethylamine nonoate as a NO donor we demonstrate this method can quantitate NO concentrations with a detection limit of 5 nM. We successfully determined the amount of NO generated endogenously by frog heart/aorta when stimulated by carbachol, a non-selective acetylcholine receptor agonist. Based on these results, we suggest that this technique can be useful for the quantitative determination of NO in biological samples.We report a method to measure NO by reacting it with carboxy-PTIO to form carboxy-PTI. The carboxy-PTI is quantified by liquid chromatography mass spectrometry (LCMS). This method can quantitate NO concentrations ranging from 5 nM to 1 µM
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Affiliation(s)
- Stephen X Zhang
- Department of Biology, Grinnell College, Grinnell, IA 50112, United States
| | - Elaine M Marzluff
- Department of Chemistry, Grinnell College, Grinnell, IA 50112, United States
| | - Clark A Lindgren
- Department of Biology, Grinnell College, Grinnell, IA 50112, United States
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34
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Xing L, Qin W, Manevski K, Zhang Y, Hu C, Zhang L, Dong W, Wang Y, Li X, Gaudel G, Qin S. An improved microelectrode method reveals significant emission of nitrous oxide from the rhizosphere of a long-term fertilized soil in the North China Plain. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 783:147011. [PMID: 34088146 DOI: 10.1016/j.scitotenv.2021.147011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 04/01/2021] [Accepted: 04/03/2021] [Indexed: 06/12/2023]
Abstract
Microsensors are able to accurately quantify nitrous oxide (N2O) emissions in microenvironments at high spatio-temporal resolution; yet, limited studies have been conducted on agricultural soils due to the inability to obtain electrical signal under conditions of low soil moisture. This study improved the calibration of a microelectrode for measuring N2O emissions from agricultural soil. The microelectrode was applied to evaluate the effect of long-term fertilization with mineral fertilizer (NPK), complemented with pig manure (MNPK), straw (SNPK), or without fertilizer (CK), all with and without urea addition, on N2O emissions from the soil, with explicit separation of the rhizosphere and the bulk soil compartments. The use of soil solution instead of pure water for calibration of the microelectrode doubled the signal and significantly improved the sensor sensitivity. The optimal electrolytic concentration of the soil solution, expressed as water: soil ratio, was found at the maximum vertex of the quadratic equation fitted on the slope values of the calibration equations for different soil solutions. The application of the calibrated microelectrode revealed significantly higher N2O emission from the rhizosphere compared to the bulk soil, accounting for 60% of the total emission. For the bulk soil, MNPK significantly increased N2O emissions compared to SNPK and NPK, whereas the differences between these treatments for the rhizosphere soil were insignificant. The statistical modeling revealed significant relation of the N2O emission with soil inorganic nitrogen contents and an additive effect of treatment (MNPK and SNPK), urea addition and rhizosphere soil. This study provides novel insights into the use of microelectrodes for measuring N2O emissions from the soil microenvironment and also points on the rhizosphere compartment and the management practices of agroecosystems able to reduce the N2O emission from agriculture.
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Affiliation(s)
- Li Xing
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang 050021, China; Hebei Agricultural University, No.289 Lingyusi Street, Baoding 071001, China
| | - Wei Qin
- College of Resources and Environmental Sciences, National Academy of Agricultural Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, 100193 Beijing, China
| | - Kiril Manevski
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang 050021, China; Department of Agroecology, Aarhus University, 8830 Tjele, Denmark; Sino-Danish Center for Education and Research, Eastern Yanqihu Campus, 101200 Beijing, China
| | - Yuming Zhang
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang 050021, China.
| | - Chunsheng Hu
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang 050021, China
| | - Lijuan Zhang
- Hebei Agricultural University, No.289 Lingyusi Street, Baoding 071001, China.
| | - Wenxu Dong
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang 050021, China
| | - Yuying Wang
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang 050021, China
| | - Xiaoxin Li
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang 050021, China
| | - Gokul Gaudel
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang 050021, China
| | - Shuping Qin
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang 050021, China
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Shen Z, Zheng S, Xiao S, Shen R, Liu S, Hu J. Red-Light-Mediated Photoredox Catalysis Enables Self-Reporting Nitric Oxide Release for Efficient Antibacterial Treatment. Angew Chem Int Ed Engl 2021; 60:20452-20460. [PMID: 34196472 DOI: 10.1002/anie.202107155] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/22/2021] [Indexed: 12/12/2022]
Abstract
Nitric oxide (NO) serves as a key regulator of many physiological processes and as a potent therapeutic agent. The local delivery of NO is important to achieve target therapeutic outcomes due to the toxicity of NO at high concentrations. Although light stimulus represents a non-invasive tool with spatiotemporal precision to mediate NO release, many photoresponsive NO-releasing molecules can only respond to ultraviolet (UV) or near-UV visible light with low penetration and high phototoxicity. We report that coumarin-based NO donors with maximal absorbances at 328 nm can be activated under (deep) red-light (630 or 700 nm) irradiation in the presence of palladium(II) tetraphenyltetrabenzoporphyrin, enabling stoichiometric and self-reporting NO release with a photolysis quantum yield of 8 % via photoredox catalysis. This NO-releasing platform with ciprofloxacin loading can eradicate Pseudomonas aeruginosa biofilm in vitro and treat cutaneous abscesses in vivo.
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Affiliation(s)
- Zhiqiang Shen
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Science at the Microscale, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
| | - Shaoqiu Zheng
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Science at the Microscale, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
| | - Shiyan Xiao
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Science at the Microscale, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
| | - Ruan Shen
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Science at the Microscale, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
| | - Shiyong Liu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Science at the Microscale, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
| | - Jinming Hu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Science at the Microscale, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
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Shen Z, Zheng S, Xiao S, Shen R, Liu S, Hu J. Red‐Light‐Mediated Photoredox Catalysis Enables Self‐Reporting Nitric Oxide Release for Efficient Antibacterial Treatment. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107155] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Zhiqiang Shen
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Science at the Microscale Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 Anhui China
| | - Shaoqiu Zheng
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Science at the Microscale Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 Anhui China
| | - Shiyan Xiao
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Science at the Microscale Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 Anhui China
| | - Ruan Shen
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Science at the Microscale Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 Anhui China
| | - Shiyong Liu
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Science at the Microscale Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 Anhui China
| | - Jinming Hu
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Science at the Microscale Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 Anhui China
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37
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Zhang Q, Meyerhoff ME. Nitric Oxide Release for Enhanced Biocompatibility and Analytical Performance of Implantable Electrochemical Sensors. ELECTROANAL 2021. [DOI: 10.1002/elan.202100174] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Qi Zhang
- Department of Chemistry University of Michigan Ann Arbor MI 48109 USA
| | - Mark E. Meyerhoff
- Department of Chemistry University of Michigan Ann Arbor MI 48109 USA
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38
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Determination of nitric oxide using light-emitting diode-based colorimeter with tubular porous polypropylene membrane cuvette. Anal Bioanal Chem 2021; 413:5301-5307. [PMID: 34212212 DOI: 10.1007/s00216-021-03503-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/21/2021] [Accepted: 06/24/2021] [Indexed: 10/21/2022]
Abstract
On the basis of the Griess-Saltzman (GS) reaction, an optical device for nitric oxide (NO) detection in exhaled breath and atmosphere was developed by employing the light-emitting diode (LED, 560 nm) as the light source, light-to-voltage converter (LVC) as the detector, and porous polypropylene membrane tube (PPMT) as the cuvette. The PPMT was filled with GS reagents and covered with a coaxial jacket tube for gas collection and color reaction; two ends of the PPMT were connected with the LED and LVC to detect the change of light transmissivity in the wavelength range of 530 to 590 nm mainly. A gas absorber filled with GS reagents was installed prior to another absorber filled with KMnO4 solution to eliminate the interference of coexisting NO2. Under the optimized experimental conditions, the device achieved a limit of detection (3σ/k) of 4.4 ppbv for NO detection. The linearity range of this device was divided into two segments, i.e., 25 to 100 ppbv and 50 to 1000 ppbv, with both coefficients of determination > 0.99. The relative standard deviation was 2.7% (n = 9, c = 100 ppbv), and the analytical time was 5.5 min per detection. The minimum detectable quantity was decreased to 1.18 ng, which was ~ 100 times lower than the original GS method (115 ng). The present device was applied for determination of NO in exhaled breath, vehicle exhaust, and air. In addition to satisfactory spiking recoveries (i.e., 103% and 107%), the analytical results of the present device were in agreement with the results obtained by the standard method. These results assured the practicality of the developed device for NO detection in real environmental samples.
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39
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CuO/Cu-MOF nanocomposite for highly sensitive detection of nitric oxide released from living cells using an electrochemical microfluidic device. Mikrochim Acta 2021; 188:240. [PMID: 34184110 DOI: 10.1007/s00604-021-04891-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/11/2021] [Indexed: 10/21/2022]
Abstract
The integration of large surface area and high catalytic profiles of Cu-MOF and CuO nanoparticles is described toward electrochemical sensing of nitric oxide (NO) in a microfluidic platform. The CuO/Cu-MOF nanocomposite was prepared through hydrothermal method, and its formation was confirmed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and energy-dispersive X-ray spectroscopy (EDS). The CuO/Cu-MOF nanostructured modified Au electrodes enabled electrocatalytic NO oxidation at 0.6 V vs. reference electrode, demonstrating linear response over a broad concentration range of 0.03-1 μM and 1-500 μM with a detection limit of 7.8 nM. The interference effect of organic molecules and common ions was negligible, and the sensing system demonstrated excellent stability. Finally, an electrochemical microfluidic NO sensor was developed to detect of NO released from cancer cells, which were stimulated by L-arginine. Furthermore, in the presence of Fe3+, the stressed cells produced more NO. This work offers considerable potential for its practical applications in clinical diagnostics through determination of chemical symptoms in microliter-volume biological samples. Electrochemical microfluidic NO sensor was developed for detection of NO released from cancer cells. This miniaturized device consumes less materials and provides the basis for greener analytical chemistry.
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40
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Gas phase microdialysis and chemiluminescence detection: A small, fast, selective, and sensitive method to monitor aqueous nitric oxide. Talanta 2021; 233:122599. [PMID: 34215087 DOI: 10.1016/j.talanta.2021.122599] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 06/04/2021] [Accepted: 06/05/2021] [Indexed: 01/06/2023]
Abstract
A method using a gas-phase microdialysis probe interfaced with a modified commercially available nitric oxide (NO) detector is shown to selectively measure aqueous NO at low μM levels with high selectivity. The detector measures chemiluminescence resulting from the gas-phase reaction of NO with ozone. The microdialysis probe is small enough (3 mm × 200 μm) to be used in vivo. Because the processes of extraction across the microdialysis membrane and transport from the probe to the detector are both very fast, the response time is shorter than 5 s. The method was verified using two different quantifiable sources of NO: nitrite and methylamine hexamethylene methylamine (MAHMA) NONOates. To demonstrate ruggedness and to show the impact of matrix on NO generation, the method was used to measure NO in a cell culture matrix. The continuous extraction, fast response time, and rugged nature make the method useful for monitoring NO in biological applications. Our results also show that predicting NO concentration for in vitro experiments based on NONOate concentration may be a poor assumption due to the pH dependence of NO formation and the rapid decline in NO concentration.
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Zhong ZJ, Yao ZP, Shi ZQ, Liu YD, Liu LF, Xin GZ. Measurement of Intracellular Nitric Oxide with a Quantitative Mass Spectrometry Probe Approach. Anal Chem 2021; 93:8536-8543. [PMID: 34107211 DOI: 10.1021/acs.analchem.1c01259] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Nitric oxide (NO) is a molecule of physiological importance, and the function of NO depends on its concentration in biological systems, particularly in cells. Concentration-based analysis of intracellular NO can provide insight into its precise role in health and disease. However, current methods for detecting intracellular NO are still inadequate for quantitative analysis. In this study, we report a quantitative mass spectrometry probe approach to measure NO levels in cells. The probe, Amlodipine (AML), comprises a Hantzsch ester group that reacts with NO to form a pyridine, Dehydro Amlodipine (DAM). Quantification of DAM by ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) allows specific measurement of intracellular NO levels. Notably, the AML/NO reaction proceeds rapidly (within 1 s), which is favorable for NO detection considering its large diffusivity and short half-life. Meanwhile, studies under simulated physiological conditions revealed that the AML response to NO is proportional and selective. The presented UPLC-MS/MS method showed high sensitivity (LLOQ = 0.24 nM) and low matrix interference (less than 15%) in DAM quantification. Furthermore, the mass spectrometry probe approach was demonstrated by enabling the measurement of endogenous and exogenous NO in cells. Hence, the quantitative UPLC-MS/MS method developed using AML as a probe is expected to be a new method for intracellular NO analysis.
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Affiliation(s)
- Zhu-Jun Zhong
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
| | - Zhong-Ping Yao
- State Key Laboratory of Chemical Biology and Drug Discovery, Food Safety and Technology Research Centre and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon 999077, Hong Kong, China
| | - Zi-Qi Shi
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China
| | - Yang-Dan Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
| | - Li-Fang Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
| | - Gui-Zhong Xin
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
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42
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Mosqueira M, Konietzny R, Andresen C, Wang C, H A Fink R. Cardiomyocyte depolarization triggers NOS-dependent NO transient after calcium release, reducing the subsequent calcium transient. Basic Res Cardiol 2021; 116:18. [PMID: 33728868 PMCID: PMC7966140 DOI: 10.1007/s00395-021-00860-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 03/09/2021] [Indexed: 12/18/2022]
Abstract
Cardiac excitation-contraction coupling and metabolic and signaling activities are centrally modulated by nitric oxide (NO), which is produced by one of three NO synthases (NOSs). Despite the significant role of NO in cardiac Ca2+ homeostasis regulation under different pathophysiological conditions, such as Duchenne muscular dystrophy (DMD), no precise method describes the production, source or effect of NO through two NO signaling pathways: soluble guanylate cyclase-protein kinase G (NO-sGC-PKG) and S-nitrosylation (SNO). Using a novel strategy involving isolated murine cardiomyocytes loaded with a copper-based dye highly specific for NO, we observed a single transient NO production signal after each electrical stimulation event. The NO transient signal started 67.5 ms after the beginning of Rhod-2 Ca2+ transient signal and lasted for approximately 430 ms. Specific NOS isoform blockers or NO scavengers significantly inhibited the NO transient, suggesting that wild-type (WT) cardiomyocytes produce nNOS-dependent NO transients. Conversely, NO transient in mdx cardiomyocyte, a mouse model of DMD, was dependent on inducible NOS (iNOS) and endothelial (eNOS). In a consecutive stimulation protocol, the nNOS-dependent NO transient in WT cardiomyocytes significantly reduced the next Ca2+ transient via NO-sGC-PKG. In mdx cardiomyocytes, this inhibitory effect was iNOS- and eNOS-dependent and occurred through the SNO pathway. Basal NO production was nNOS- and iNOS-dependent in WT cardiomyocytes and eNOS- and iNOS-dependent in mdx cardiomyocytes. These results showed cardiomyocyte produces NO isoform-dependent transients upon membrane depolarization at the millisecond time scale activating a specific signaling pathway to negatively modulate the subsequent Ca2+ transient.
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Affiliation(s)
- Matias Mosqueira
- Cardio-Ventilatory Muscle Physiology Laboratory, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, Im Neuenheimer Feld 326, R. 305, 69120, Heidelberg, Germany.
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany.
| | - Roland Konietzny
- Cardio-Ventilatory Muscle Physiology Laboratory, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, Im Neuenheimer Feld 326, R. 305, 69120, Heidelberg, Germany
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany
| | - Carolin Andresen
- Cardio-Ventilatory Muscle Physiology Laboratory, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, Im Neuenheimer Feld 326, R. 305, 69120, Heidelberg, Germany
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Chao Wang
- Cardio-Ventilatory Muscle Physiology Laboratory, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, Im Neuenheimer Feld 326, R. 305, 69120, Heidelberg, Germany
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany
- Cardiovascular Department, Wuhan No. 1 Hospital, Hubei, China
| | - Rainer H A Fink
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany
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43
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Lau SE, Hamdan MF, Pua TL, Saidi NB, Tan BC. Plant Nitric Oxide Signaling under Drought Stress. PLANTS (BASEL, SWITZERLAND) 2021; 10:360. [PMID: 33668545 PMCID: PMC7917642 DOI: 10.3390/plants10020360] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/26/2021] [Accepted: 02/10/2021] [Indexed: 12/11/2022]
Abstract
Water deficit caused by drought is a significant threat to crop growth and production. Nitric oxide (NO), a water- and lipid-soluble free radical, plays an important role in cytoprotection. Apart from a few studies supporting the role of NO in drought responses, little is known about this pivotal molecular amendment in the regulation of abiotic stress signaling. In this review, we highlight the knowledge gaps in NO roles under drought stress and the technical challenges underlying NO detection and measurements, and we provide recommendations regarding potential avenues for future investigation. The modulation of NO production to alleviate abiotic stress disturbances in higher plants highlights the potential of genetic manipulation to influence NO metabolism as a tool with which plant fitness can be improved under adverse growth conditions.
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Affiliation(s)
- Su-Ee Lau
- Centre for Research in Biotechnology for Agriculture, University of Malaya, Kuala Lumpur 50603, Malaysia; (S.-E.L.); (T.-L.P.)
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | - Mohd Fadhli Hamdan
- School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong, China;
| | - Teen-Lee Pua
- Centre for Research in Biotechnology for Agriculture, University of Malaya, Kuala Lumpur 50603, Malaysia; (S.-E.L.); (T.-L.P.)
| | - Noor Baity Saidi
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | - Boon Chin Tan
- Centre for Research in Biotechnology for Agriculture, University of Malaya, Kuala Lumpur 50603, Malaysia; (S.-E.L.); (T.-L.P.)
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44
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Krathumkhet N, Sabrina, Imae T, Krafft MP. Nitric Oxide Gas in Carbon Nanohorn/Fluorinated Dendrimer/Fluorinated Poly(ethylene glycol)-Based Hierarchical Nanocomposites as Therapeutic Nanocarriers. ACS APPLIED BIO MATERIALS 2021; 4:2591-2600. [DOI: 10.1021/acsabm.0c01577] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Nattinee Krathumkhet
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei 10607, Taiwan, ROC
| | - Sabrina
- Department of Chemical Engineering, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei 10607, Taiwan, ROC
| | - Toyoko Imae
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei 10607, Taiwan, ROC
- Department of Chemical Engineering, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei 10607, Taiwan, ROC
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei 10607, Taiwan, ROC
| | - Marie Pierre Krafft
- Institut Charles Sadron (CNRS), University of Strasbourg, 67034 Strasbourg, France
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45
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Deng X, Zou Z, Zhang Y, Gao J, Liang T, Lu Z, Ming Li C. Synthesis of merit-combined antimony tetroxide nanoflowers/reduced graphene oxide to synergistically boost real-time detection of nitric oxide released from living cells for high sensitivity. J Colloid Interface Sci 2021; 581:465-474. [DOI: 10.1016/j.jcis.2020.07.076] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/15/2020] [Accepted: 07/16/2020] [Indexed: 01/03/2023]
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Ledo A, Lourenço CF, Cadenas E, Barbosa RM, Laranjinha J. The bioactivity of neuronal-derived nitric oxide in aging and neurodegeneration: Switching signaling to degeneration. Free Radic Biol Med 2021; 162:500-513. [PMID: 33186742 DOI: 10.1016/j.freeradbiomed.2020.11.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 11/02/2020] [Accepted: 11/05/2020] [Indexed: 12/22/2022]
Abstract
The small and diffusible free radical nitric oxide (•NO) has fascinated biological and medical scientists since it was promoted from atmospheric air pollutant to biological ubiquitous signaling molecule. Its unique physical chemical properties expand beyond its radical nature to include fast diffusion in aqueous and lipid environments and selective reactivity in a biological setting determined by bioavailability and reaction rate constants with biomolecules. In the brain, •NO is recognized as a key player in numerous physiological processes ranging from neurotransmission/neuromodulation to neurovascular coupling and immune response. Furthermore, changes in its bioactivity are central to the molecular pathways associated with brain aging and neurodegeneration. The understanding of •NO bioactivity in the brain, however, requires the knowledge of its concentration dynamics with high spatial and temporal resolution upon stimulation of its synthesis. Here we revise our current understanding of the role of neuronal-derived •NO in brain physiology, aging and degeneration, focused on changes in the extracellular concentration dynamics of this free radical and the regulation of bioenergetic metabolism and neurovascular coupling.
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Affiliation(s)
- A Ledo
- Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal; University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal.
| | - C F Lourenço
- Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal; University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
| | - E Cadenas
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, 90089, CA, USA
| | - R M Barbosa
- Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal; University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
| | - J Laranjinha
- Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal; University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
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Baheti A, Dobrovetsky R, Vigalok A. Fluorophore-Appendant 5,5'-Bicalixarene Scaffolds for Host-Guest Sensing of Nitric Oxide. Org Lett 2020; 22:9706-9711. [PMID: 33285065 PMCID: PMC7884005 DOI: 10.1021/acs.orglett.0c03764] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Conjugated 5,5′-Bicalixarene
scaffolds having fluorophores
at the chain termini have been prepared and tested in the supramolecular
detection of nitric oxide. Scaffolds bearing electron-rich fluorophores
demonstrated a stronger turn-off response to the presence of NO than
the fluorophore-free analogue in both organic and aqueous media, while
no fluorescence quenching happened when the electron-deficient fluorophores
were employed. Unprecedented ratiometric supramolecular sensing was
observed when fluorophores of the opposite electronic demands were
placed at the scaffold’s termini.
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Affiliation(s)
- Abhishek Baheti
- School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| | | | - Arkadi Vigalok
- School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
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48
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Antioxidant and Anti-Inflammatory Activities of Cytocompatible Salvia officinalis Extracts: A Comparison between Traditional and Soxhlet Extraction. Antioxidants (Basel) 2020; 9:antiox9111157. [PMID: 33233648 PMCID: PMC7699719 DOI: 10.3390/antiox9111157] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/13/2020] [Accepted: 11/18/2020] [Indexed: 12/16/2022] Open
Abstract
Chronic inflammation is characterized by an overproduction of several inflammatory mediators (e.g., reactive species and interleukins -IL) that play a central role in numerous diseases. The available therapies are often associated with serious side effects and, consequently, the need for safer drugs is of utmost importance. A plant traditionally used in the treatment of inflammatory conditions is Salvia officinalis. Therefore, conventional maceration and infusion of its leaves were performed to obtain hydroethanolic (HE-T) and aqueous extracts (AE-T), respectively. Their efficacy was compared to soxhlet extracts, namely aqueous (AE-S), hydroethanolic (HE-S), and ethanolic extracts (EE-S). Thin-layer chromatography demonstrated the presence of rosmarinic acid, carnosol, and/or carnosic acid in the different extracts. Generally, soxhlet provided extracts with higher antioxidant activities than traditional extraction. Moreover, under an inflammatory scenario, EE-S were the most effective, followed by HE-S, HE-T, AE-T, and AE-S, in the reduction of IL-6 and TNF-α production. Interestingly, the extracts presented higher or similar anti-inflammatory activity than diclofenac, salicylic acid, and celecoxib. In conclusion, the extraction method and the solvents of extraction influenced the antioxidant activity, but mainly the anti-inflammatory activity of the extracts. Therefore, this natural resource can enable the development of effective treatments for oxidative stress and inflammatory diseases.
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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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The Versatility of Antioxidant Assays in Food Science and Safety-Chemistry, Applications, Strengths, and Limitations. Antioxidants (Basel) 2020; 9:antiox9080709. [PMID: 32764410 PMCID: PMC7464350 DOI: 10.3390/antiox9080709] [Citation(s) in RCA: 158] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 07/29/2020] [Accepted: 07/31/2020] [Indexed: 01/09/2023] Open
Abstract
Currently, there is a growing interest in screening and quantifying antioxidants from biological samples in the quest for natural and effective antioxidants to combat free radical-related pathological complications. Antioxidant assays play a crucial role in high-throughput and cost-effective assessment of antioxidant capacities of natural products such as medicinal plants and food samples. However, several investigators have expressed concerns about the reliability of existing in vitro assays. Such concerns arise mainly from the poor correlation between in vitro and in vivo results. In addition, in vitro assays have the problem of reproducibility. To date, antioxidant capacities are measured using a panel of assays whereby each assay has its own advantages and limitations. This unparalleled review hotly disputes on in vitro antioxidant assays and elaborates on the chemistry behind each assay with the aim to point out respective principles/concepts. The following critical questions are also addressed: (1) What make antioxidant assays coloured? (2) What is the reason for working at a particular wavelength? (3) What are the advantages and limitations of each assay? and (4) Why is a particular colour observed in antioxidant–oxidant chemical reactions? Furthermore, this review details the chemical mechanism of reactions that occur in each assay together with a colour ribbon to illustrate changes in colour. The review ends with a critical conclusion on existing assays and suggests constructive improvements on how to develop an adequate and universal antioxidant assay.
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