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Chiu H, Chau Fang A, Chen YH, Koi RX, Yu KC, Hsieh LH, Shyu YM, Amer TA, Hsueh YJ, Tsao YT, Shen YJ, Wang YM, Chen HC, Lu YJ, Huang CC, Lu TT. Mechanistic and Kinetic Insights into Cellular Uptake of Biomimetic Dinitrosyl Iron Complexes and Intracellular Delivery of NO for Activation of Cytoprotective HO-1. JACS AU 2024; 4:1550-1569. [PMID: 38665642 PMCID: PMC11040670 DOI: 10.1021/jacsau.4c00064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 02/29/2024] [Accepted: 03/19/2024] [Indexed: 04/28/2024]
Abstract
Dinitrosyl iron unit (DNIU), [Fe(NO)2], is a natural metallocofactor for biological storage, delivery, and metabolism of nitric oxide (NO). In the attempt to gain a biomimetic insight into the natural DNIU under biological system, in this study, synthetic dinitrosyl iron complexes (DNICs) [(NO)2Fe(μ-SCH2CH2COOH)2Fe(NO)2] (DNIC-COOH) and [(NO)2Fe(μ-SCH2CH2COOCH3)2Fe(NO)2] (DNIC-COOMe) were employed to investigate the structure-reactivity relationship of mechanism and kinetics for cellular uptake of DNICs, intracellular delivery of NO, and activation of cytoprotective heme oxygenase (HO)-1. After rapid cellular uptake of dinuclear DNIC-COOMe through a thiol-mediated pathway (tmax = 0.5 h), intracellular assembly of mononuclear DNIC [(NO)2Fe(SR)(SCys)]n-/[(NO)2Fe(SR)(SCys-protein)]n- occurred, followed by O2-induced release of free NO (tmax = 1-2 h) or direct transfer of NO to soluble guanylate cyclase, which triggered the downstream HO-1. In contrast, steady kinetics for cellular uptake of DNIC-COOH via endocytosis (tmax = 2-8 h) and for intracellular release of NO (tmax = 4-6 h) reflected on the elevated activation of cytoprotective HO-1 (∼50-150-fold change at t = 3-10 h) and on the improved survival of DNIC-COOH-primed mesenchymal stem cell (MSC)/human corneal endothelial cell (HCEC) under stressed conditions. Consequently, this study unravels the bridging thiolate ligands in dinuclear DNIC-COOH/DNIC-COOMe as a switch to control the mechanism, kinetics, and efficacy for cellular uptake of DNICs, intracellular delivery of NO, and activation of cytoprotective HO-1, which poses an implication on enhanced survival of postengrafted MSC for advancing the MSC-based regenerative medicine.
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Affiliation(s)
- Han Chiu
- Institute
of Biomedical Engineering, National Tsing
Hua University, Hsinchu 30013 Taiwan
| | - Anyelina Chau Fang
- Institute
of Biomedical Engineering, National Tsing
Hua University, Hsinchu 30013 Taiwan
| | - Yi-Hong Chen
- Institute
of Biomedical Engineering, National Tsing
Hua University, Hsinchu 30013 Taiwan
| | - Ru Xin Koi
- Institute
of Biomedical Engineering, National Tsing
Hua University, Hsinchu 30013 Taiwan
| | - Kai-Ching Yu
- Institute
of Biomedical Engineering, National Tsing
Hua University, Hsinchu 30013 Taiwan
| | - Li-Hung Hsieh
- Institute
of Biomedical Engineering, National Tsing
Hua University, Hsinchu 30013 Taiwan
| | - Yueh-Ming Shyu
- Institute
of Biomedical Engineering, National Tsing
Hua University, Hsinchu 30013 Taiwan
| | - Tarik Abdelkareem
Mostafa Amer
- Department
of Biological Science and Technology, Institute of Molecular Medicine
and Bioengineering, College of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Yi-Jen Hsueh
- Department
of Ophthalmology and Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
| | - Yu-Ting Tsao
- Department
of Ophthalmology and Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
| | - Yang-Jin Shen
- College
of Medicine, Chang Gung University, Kwei-San, Taoyuan 33302, Taiwan
- Department
of Neurosurgery, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
| | - Yun-Ming Wang
- Department
of Biological Science and Technology, Institute of Molecular Medicine
and Bioengineering, College of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Hung-Chi Chen
- Department
of Ophthalmology and Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
- College
of Medicine, Chang Gung University, Kwei-San, Taoyuan 33302, Taiwan
| | - Yu-Jen Lu
- College
of Medicine, Chang Gung University, Kwei-San, Taoyuan 33302, Taiwan
- Department
of Neurosurgery, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
| | - Chieh-Cheng Huang
- Institute
of Biomedical Engineering, National Tsing
Hua University, Hsinchu 30013 Taiwan
| | - Tsai-Te Lu
- Institute
of Biomedical Engineering, National Tsing
Hua University, Hsinchu 30013 Taiwan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 30013 Taiwan
- Department
of Chemistry, Chung Yuan Christian University, Taoyuan 32023, Taiwan
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Truzzi DR, Medeiros NM, Augusto O, Ford PC. Dinitrosyl Iron Complexes (DNICs). From Spontaneous Assembly to Biological Roles. Inorg Chem 2021; 60:15835-15845. [PMID: 34014639 DOI: 10.1021/acs.inorgchem.1c00823] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Dinitrosyl iron complexes (DNICs) are spontaneously and rapidly generated in cells. Their assembly requires nitric oxide (NO), biothiols, and nonheme iron, either labile iron or iron-sulfur clusters. Despite ubiquitous detection by electron paramagnetic resonance in NO-producing cells, the DNIC's chemical biology remains only partially understood. In this Forum Article, we address the reaction mechanisms for endogenous DNIC formation, with a focus on a labile iron pool as the iron source. The capability of DNICs to promote S-nitrosation is discussed in terms of S-nitrosothiol generation associated with the formation and chemical reactivity of DNICs. We also highlight how elucidation of the chemical reactivity and the dynamics of DNICs combined with the development of detection/quantification methods can provide further information regarding their participation in physiological and pathological processes.
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Affiliation(s)
- Daniela R Truzzi
- Departamento de Bioquímica, Instituto de Química de São Paulo, Universidade de São Paulo, Caixa Postal 26077, CEP05513-970 São Paulo, São Paulo, Brazil
| | - Nathalia M Medeiros
- Departamento de Bioquímica, Instituto de Química de São Paulo, Universidade de São Paulo, Caixa Postal 26077, CEP05513-970 São Paulo, São Paulo, Brazil
| | - Ohara Augusto
- Departamento de Bioquímica, Instituto de Química de São Paulo, Universidade de São Paulo, Caixa Postal 26077, CEP05513-970 São Paulo, São Paulo, Brazil
| | - Peter C Ford
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
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Vanin AF, Tronov VA, Borodulin RR. Nitrosonium Cation as a Cytotoxic Component of Dinitrosyl Iron Complexes with Thiol-containing Ligands (based on the Experimental Work on MCF7 Human Breast Cancer Cell Culture). Cell Biochem Biophys 2021; 79:93-102. [PMID: 33492647 PMCID: PMC7829092 DOI: 10.1007/s12013-020-00962-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/07/2020] [Indexed: 12/02/2022]
Abstract
Here we demonstrate that binuclear dinitrosyl iron complexes with thiol-containing ligands (glutathione and mercaptosuccinate, B-DNIC-GSH and B-DNIC-MS, respectively) exert cytotoxic effects on MCF7 human breast cancer cells. We showed that they are mediated by nitrosonium cations released from these complexes (NO+). This finding is supported by the cytotoxic effect of both B-DNICs on MCF7 cells evidenced to retain or was even promoted in the presence of N-Methyl-D-glucamine dithiocarbamate (MGD). MGD recruits an iron nitrosyl group [Fe(NO)] from the iron-dinitrosyl fragment [Fe(NO)2] of B-DNIC-MS forming stable mononitrosyl complexes of iron with MGD and releasing NO+ cations from a [Fe(NO)2] fragment.
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Affiliation(s)
- Anatoly F Vanin
- Semenov Federal Research Centre of Chemical Physics, Russian Academy of Sciences, Moscow, Russia.
- Institute of Regenerative Medicine, Sechenov Medical University, Moscow, Russia.
| | - Viktor A Tronov
- Semenov Federal Research Centre of Chemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Rostislav R Borodulin
- Semenov Federal Research Centre of Chemical Physics, Russian Academy of Sciences, Moscow, Russia
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Vanin AF. How is Nitric Oxide (NO) Converted into Nitrosonium Cations (NO +) in Living Organisms? (Based on the Results of Optical and EPR Analyses of Dinitrosyl Iron Complexes with Thiol-Containing Ligands). APPLIED MAGNETIC RESONANCE 2020; 51:851-876. [PMID: 33100585 PMCID: PMC7572240 DOI: 10.1007/s00723-020-01270-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The present work provides theoretical and experimental foundations for the ability of dinitrosyl iron complexes (DNICs) with thiol-containing ligands to be not only the donors of neutral NO molecules, but also the donors of nitrosonium cations (NO+) in living organisms ensuring S-nitrosation of various proteins and low-molecular-weight compounds. It is proposed that the emergence of those cations in DNICs is related to disproportionation reaction of NO molecules, initiated by their binding with Fe2+ ions (two NO molecules per one ion). At the same time, possible hydrolysis of iron-bound nitrosonium cations is prevented by the electron density transition to nitrosonium cations from sulfur atoms of thiol-containing ligands, which are included in the coordination sphere of iron. It allows supposing that iron in iron-nitrosyl complexes of DNICs has a d 7 electronic configuration. This supposition is underpinned by experimental data revealing that a half of nitrosyl ligands are converted into S-nitrosothiols (RSNOs) when those complexes decompose, with the other half of those ligands released in the form of neutral NO molecules.
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Affiliation(s)
- Anatoly F. Vanin
- Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences, Moscow, Russia
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russia
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Vanin AF. Dinitrosyl Iron Complexes with Thiol-Containing Ligands Can Suppress Viral Infections as Donors of the Nitrosonium Cation (Hypothesis). Biophysics (Nagoya-shi) 2020; 65:698-702. [PMID: 33100351 PMCID: PMC7569104 DOI: 10.1134/s0006350920040260] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/08/2020] [Accepted: 05/12/2020] [Indexed: 01/08/2023] Open
Abstract
The appropriateness of verification of the possible antiviral effect of dinitrosyl iron complexes with thiol-containing ligands as donors of nitrosonium cations (NO+) is argued. There is reason to hope that treatment of the human respiratory tract and lungs with sprayed solutions of dinitrosyl iron complexes with glutathione or N-acetylcysteine (NAC) as NO+ donors during COVID-19 infection can initiate S-nitrosylation of cellular proteases and thereby suppress viral infection.
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Affiliation(s)
- A. F. Vanin
- Semenov Institute of Chemical Physics, 119334 Moscow, Russia
- Institute of Regenerative Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
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Daniel T, Faruq HM, Laura Magdalena J, Manuela G, Christopher Horst L. Role of GSH and Iron-Sulfur Glutaredoxins in Iron Metabolism-Review. Molecules 2020; 25:E3860. [PMID: 32854270 PMCID: PMC7503856 DOI: 10.3390/molecules25173860] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 08/19/2020] [Accepted: 08/22/2020] [Indexed: 12/26/2022] Open
Abstract
Glutathione (GSH) was initially identified and characterized for its redox properties and later for its contributions to detoxification reactions. Over the past decade, however, the essential contributions of glutathione to cellular iron metabolism have come more and more into focus. GSH is indispensable in mitochondrial iron-sulfur (FeS) cluster biosynthesis, primarily by co-ligating FeS clusters as a cofactor of the CGFS-type (class II) glutaredoxins (Grxs). GSH is required for the export of the yet to be defined FeS precursor from the mitochondria to the cytosol. In the cytosol, it is an essential cofactor, again of the multi-domain CGFS-type Grxs, master players in cellular iron and FeS trafficking. In this review, we summarize the recent advances and progress in this field. The most urgent open questions are discussed, such as the role of GSH in the export of FeS precursors from mitochondria, the physiological roles of the CGFS-type Grx interactions with BolA-like proteins and the cluster transfer between Grxs and recipient proteins.
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Affiliation(s)
- Trnka Daniel
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, 17475 Greifswald, Germany; (T.D.); (H.M.F.); (J.L.M.); (G.M.)
| | - Hossain Md Faruq
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, 17475 Greifswald, Germany; (T.D.); (H.M.F.); (J.L.M.); (G.M.)
| | - Jordt Laura Magdalena
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, 17475 Greifswald, Germany; (T.D.); (H.M.F.); (J.L.M.); (G.M.)
| | - Gellert Manuela
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, 17475 Greifswald, Germany; (T.D.); (H.M.F.); (J.L.M.); (G.M.)
| | - Lillig Christopher Horst
- Christopher Horst Lillig, Institute for Medical Biochemistry and Molecular Biology, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475 Greifswald, Germany
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