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Dynnik VV, Grishina EV, Fedotcheva NI. The mitochondrial NO-synthase/guanylate cyclase/protein kinase G signaling system underpins the dual effects of nitric oxide on mitochondrial respiration and opening of the permeability transition pore. FEBS J 2019; 287:1525-1536. [PMID: 31602795 DOI: 10.1111/febs.15090] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 09/07/2019] [Accepted: 10/09/2019] [Indexed: 12/30/2022]
Abstract
The available data on the involvement of nitric oxide (NO) and mitochondrial calcium-dependent NO synthase (mtNOS) in the control of mitochondrial respiration and the permeability transition pore (mPTP) are contradictory. We have proposed that the mitochondrial mtNOS/guanylate cyclase/protein kinase G signaling system (mtNOS-SS) is also implicated in the control of respiration and mPTP, providing the interplay between NO and mtNOS-SS, which, in turn, may result in inconsistent effects of NO. Therefore, using rat liver mitochondria, we applied specific inhibitors of the enzymes of this signaling system to evaluate its role in the control of respiration and mPTP opening. Steady-state respiration was supported by pyruvate, glutamate, or succinate in the presence of hexokinase, glucose, and ADP. When applied at low concentrations, l-arginine (to 500 µm) and NO donors (to 50 µm) activated the respiration and increased the threshold concentrations of calcium and d,l-palmitoylcarnitine required for the dissipation of the mitochondrial membrane potential and pore opening. Both effects were eliminated by the inhibitors of NO synthase, guanylate cyclase, and kinase G, which denotes the involvement of mtNOS-SS in the activation of respiration and deceleration of mPTP opening. At high concentrations, l-arginine and NO donors inhibited the respiration and promoted pore opening, indicating that adverse effects induced by an NO excess dominate over the protection provided by mtNOS-SS. Thus, these results demonstrate the opposite impact of NO and mtNOS-SS on the respiration and mPTP control, which can explain the dual effects of NO.
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Affiliation(s)
- Vladimir V Dynnik
- Department of Bioenergetics, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Puschino, Russia
| | - Elena V Grishina
- Department of Bioenergetics, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Puschino, Russia
| | - Nadezhda I Fedotcheva
- Department of Bioenergetics, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Puschino, Russia
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Poderoso JJ, Helfenberger K, Poderoso C. The effect of nitric oxide on mitochondrial respiration. Nitric Oxide 2019; 88:61-72. [PMID: 30999001 DOI: 10.1016/j.niox.2019.04.005] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 04/04/2019] [Accepted: 04/11/2019] [Indexed: 01/04/2023]
Abstract
This article reviews the interactions between nitric oxide (NO) and mitochondrial respiration. Mitochondrial ATP synthesis is responsible for virtually all energy production in mammals, and every other process in living organisms ultimately depends on that energy production. Furthermore, both necrosis and apoptosis, that summarize the main forms of cell death, are intimately linked to mitochondrial integrity. Endogenous and exogenous •NO inhibits mitochondrial respiration by different well-studied mechanisms and several nitrogen derivatives. Instantaneously, low concentrations of •NO, specifically and reversibly inhibit cytochrome c oxidase in competition with oxygen, in several tissues and cells in culture. Higher concentrations of •NO and its derivatives (peroxynitrite, nitrogen dioxide or nitrosothiols) can cause irreversible inhibition of the respiratory chain, uncoupling, permeability transition, and/or cell death. Peroxynitrite can cause opening of the permeability transition pore and opening of this pore causes loss of cytochrome c, which in turn might contribute to peroxynitrite-induced inhibition of respiration. Therefore, the inhibition of cytochrome c oxidase by •NO may be involved in the physiological and/or pathological regulation of respiration rate, and its affinity for oxygen, which depend on reactive nitrogen species formation, pH, proton motriz force and oxygen supply to tissues.
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Affiliation(s)
- Juan José Poderoso
- Universidad de Buenos Aires, Facultad de Medicina, Hospital de Clínicas "José de San Martín", Laboratorio Del Metabolismo Del Oxígeno, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires. Instituto de Inmunología, Genética y Metabolismo (INIGEM), Buenos Aires, Argentina
| | - Katia Helfenberger
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Paraguay 2155 5th Floor, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Cecilia Poderoso
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Paraguay 2155 5th Floor, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina.
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Gas Signaling Molecules and Mitochondrial Potassium Channels. Int J Mol Sci 2018; 19:ijms19103227. [PMID: 30340432 PMCID: PMC6214077 DOI: 10.3390/ijms19103227] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 10/15/2018] [Accepted: 10/16/2018] [Indexed: 12/27/2022] Open
Abstract
Recently, gaseous signaling molecules, such as carbon monoxide (CO), nitric oxide (NO), and hydrogen sulfide (H2S), which were previously considered to be highly toxic, have been of increasing interest due to their beneficial effects at low concentrations. These so-called gasotransmitters affect many cellular processes, such as apoptosis, proliferation, cytoprotection, oxygen sensing, ATP synthesis, and cellular respiration. It is thought that mitochondria, specifically their respiratory complexes, constitute an important target for these gases. On the other hand, increasing evidence of a cytoprotective role for mitochondrial potassium channels provides motivation for the analysis of the role of gasotransmitters in the regulation of channel function. A number of potassium channels have been shown to exhibit activity within the inner mitochondrial membrane, including ATP-sensitive potassium channels, Ca2+-activated potassium channels, voltage-gated Kv potassium channels, and TWIK-related acid-sensitive K+ channel 3 (TASK-3). The effects of these channels include the regulation of mitochondrial respiration and membrane potential. Additionally, they may modulate the synthesis of reactive oxygen species within mitochondria. The opening of mitochondrial potassium channels is believed to induce cytoprotection, while channel inhibition may facilitate cell death. The molecular mechanisms underlying the action of gasotransmitters are complex. In this review, we focus on the molecular mechanisms underlying the action of H2S, NO, and CO on potassium channels present within mitochondria.
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Pozdniakova S, Guitart-Mampel M, Garrabou G, Di Benedetto G, Ladilov Y, Regitz-Zagrosek V. 17β-Estradiol reduces mitochondrial cAMP content and cytochrome oxidase activity in a phosphodiesterase 2-dependent manner. Br J Pharmacol 2018; 175:3876-3890. [PMID: 30051530 DOI: 10.1111/bph.14455] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 07/10/2018] [Accepted: 07/11/2018] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND AND PURPOSE Mitochondria possess their own source of cAMP, that is, soluble adenylyl cyclase (sAC). Activation or expression of mitochondrial sAC promotes mitochondrial function. Oestrogen receptor signalling plays an essential role in the regulation of mitochondrial function. Here we aimed to determine whether 17β-estradiol may affect mitochondrial cAMP signalling. EXPERIMENTAL APPROACH Expression of the intra-mitochondrial proteins (Western blot), mitochondrial cAMP content (FRET-based live imaging and MS assay), mitochondrial membrane potential and cytochrome oxidase activity were analysed in H9C2 and C2C12 cells. KEY RESULTS A 24 h treatment with 17β-estradiol significantly reduced the basal level of mitochondrial cAMP, without affecting the intra-mitochondrial content of sAC, phosphodiesterase 2 (PDE2) or PKA and the activity of the intra-mitochondrial sAC. The effect of 17β-estradiol on mitochondrial cAMP was prevented by inhibition of a cGMP-activated PDE2 or soluble guanylyl cyclase (sGC), suggesting a role of NO signalling. Indeed, 17β-estradiol raised cellular levels of cGMP and the intra-mitochondrial expression of the catalytic subunit β of sGC was found. The 17β-estradiol-induced reduction of the mitochondrial cAMP level was accompanied by decreased cytochrome oxidase activity and mitochondrial membrane potential in a PDE2-dependent manner. CONCLUSIONS AND IMPLICATIONS 17β-estradiol reduced the basal level of mitochondrial cAMP content and cytochrome oxidase activity in a sAC-independent but in a PDE2-dependent manner. The results suggest a role of 17β-estradiol-induced activation of NO signalling in the regulation of mitochondrial cAMP content. Our study adds a new aspect to the complex action of oestrogens on mitochondrial biology, that is relevant to hormone replacement therapy.
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Affiliation(s)
- Sofya Pozdniakova
- Charité - Universitätsmedizin Berlin, Institute of Gender in Medicine, Center for Cardiovascular Research, Berlin, Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Berlin, Germany
| | - Mariona Guitart-Mampel
- Muscle Research and Mitochondrial Function Laboratory, Cellex - IDIBAPS, Faculty of Medicine and Health Science, University of Barcelona, Internal Medicine Service - Hospital Clínic of Barcelona, Barcelona, Spain.,CIBERER, Madrid, Spain
| | - Gloria Garrabou
- Muscle Research and Mitochondrial Function Laboratory, Cellex - IDIBAPS, Faculty of Medicine and Health Science, University of Barcelona, Internal Medicine Service - Hospital Clínic of Barcelona, Barcelona, Spain.,CIBERER, Madrid, Spain
| | - Giulietta Di Benedetto
- Neuroscience Institute, Italian National Research Council, Venetian Institute of Molecular Medicine, Padova, Italy
| | - Yury Ladilov
- Charité - Universitätsmedizin Berlin, Institute of Gender in Medicine, Center for Cardiovascular Research, Berlin, Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Berlin, Germany
| | - Vera Regitz-Zagrosek
- Charité - Universitätsmedizin Berlin, Institute of Gender in Medicine, Center for Cardiovascular Research, Berlin, Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Berlin, Germany
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Bourgine PE, Pippenger BE, Todorov A, Tchang L, Martin I. Tissue decellularization by activation of programmed cell death. Biomaterials 2013; 34:6099-108. [DOI: 10.1016/j.biomaterials.2013.04.058] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Accepted: 04/27/2013] [Indexed: 01/10/2023]
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Lee TH, Lee MS, Huang CC, Tsao HM, Lin PM, Ho HN, Shew JY, Yang YS. Nitric oxide modulates mitochondrial activity and apoptosis through protein S-nitrosylation for preimplantation embryo development. J Assist Reprod Genet 2013; 30:1063-72. [PMID: 23832270 DOI: 10.1007/s10815-013-0045-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2013] [Accepted: 06/27/2013] [Indexed: 02/07/2023] Open
Abstract
PURPOSE Previous studies reported that patients with endometriosis had excess nitric oxide (NO) in the reproductive tract and poor embryo development in IVF cycles. This study aims to elucidate the effects of NO on early embryo development. METHODS Zygotes from superovulated B6CBF1 mice were cultured to blastocysts in a variety of media. Sodium nitroprusside (SNP) and N(G)-nitro-L-arginine (LNA) were added to the culture medium as a NO donor and a NO synthase inhibitor, respectively. The localization and fluorescence intensity of S-nitrosylated (SNO) proteins within 2-cell stage embryos were analyzed with confocal microscopy. Apoptosis and ATP production in the blastocysts were measured. RESULT(S) Subsequent to NO exposure, the SNO proteins mainly colocalized with the mitochondria and endoplasmic reticulum and the intensity of SNO proteins increased. The addition of a quanylate cyclase inhibitor and a cyclic GMP mimic agent induced nonsignificant changes in SNO proteins, whereas addition of a superoxide scavenger or a reduced form of glutathione rescued the embryos from the effects of NO. However, superoxide scavenger supplementation resulted in decreased blastocyst ATP production. CONCLUSION(S) Elevated NO exerts deleterious effects on embryo development, possibly through protein S-nitrosylation in the mitochondria and endoplasmic reticulum. Including glutathione as a component in the culture medium might counteract this effect.
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Affiliation(s)
- Tsung-Hsien Lee
- Department of Obstetrics and Gynecology, National Taiwan University and National Taiwan University Hospital, #8 Chung-Shan South Road, 100, Taipei, Taiwan
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Seya K, Ono K, Fujisawa S, Okumura K, Motomura S, Furukawa KI. Cytosolic Ca2+-induced apoptosis in rat cardiomyocytes via mitochondrial NO-cGMP-protein kinase G pathway. J Pharmacol Exp Ther 2012; 344:77-84. [PMID: 23104881 DOI: 10.1124/jpet.112.198176] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Previously, we showed that in adult rat cardiomyocytes, nitric oxide (NO) donors stimulate mitochondrial cGMP production, followed by cytochrome c release, independently of the mitochondrial permeable transition pore. We investigated whether mitochondrial cGMP-induced cytochrome c release from cardiac mitochondria is Ca(2+)-sensitive. Mitochondria and primary cultured cardiomyocytes were prepared from left ventricles of male Wistar rats. The cytosolic Ca(2+) concentration was adjusted with Ca(2+)-EGTA buffers. Cytochrome c released from mitochondria was measured by Western blotting. Cardiomyocyte apoptosis was assessed by Annexin V staining. Cytochrome c release from cardiac mitochondria was evoked by buffered Ca(2+) (1 μM); this was inhibited by NO-cGMP pathway inhibitors such as N(G)-monomethyl-l-arginine monoacetate (inhibitor of NO synthase), 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (NO scavenger), 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one (ODQ, NO-sensitive guanylyl cyclase inhibitor) and voltage-dependent anion channel (VDAC) inhibitor, 4,4'-diisothiocyano-2,2'-disulfonic acid stilbene, but not by cyclosporin A (mitochondrial permeable transition pore inhibitor). Furthermore, this release was significantly and dose dependently inhibited by 0.3-3 μM KT5823 (protein kinase G inhibitor). At the cellular level, intracellular perfusion of cardiomyocytes with buffered Ca(2+) (1 μM) also induced apoptosis, which was inhibited in the presence of ODQ. A membrane-permeable cGMP analog, 8-Br-cGMP, but not cGMP itself, mimicked buffered Ca(2+) actions in both cardiac mitochondria and cardiomyocytes. We further confirmed an increase in protein kinase G activity by adding cGMP in mitochondrial protein fraction. Our results suggest that mitochondrial NO-cGMP pathway-induced cytochrome c release from cardiac mitochondria, triggered by increased cytosolic Ca(2+), occurs through VDAC via the stimulation of an undiscovered mitochondrial protein kinase G.
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Affiliation(s)
- Kazuhiko Seya
- Department of Pharmacology, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki 036-8562, Japan
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O'Rourke B, Van Eyk JE, Foster DB. Mitochondrial protein phosphorylation as a regulatory modality: implications for mitochondrial dysfunction in heart failure. CONGESTIVE HEART FAILURE (GREENWICH, CONN.) 2011; 17:269-82. [PMID: 22103918 PMCID: PMC4067253 DOI: 10.1111/j.1751-7133.2011.00266.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Phosphorylation of mitochondrial proteins has been recognized for decades, and the regulation of pyruvate- and branched-chain α-ketoacid dehydrogenases by an atypical kinase/phosphatase cascade is well established. More recently, the development of new mass spectrometry-based technologies has led to the discovery of many novel phosphorylation sites on a variety of mitochondrial targets. The evidence suggests that the major classes of kinase and several phosphatases may be present at the mitochondrial outer membrane, intermembrane space, inner membrane, and matrix, but many questions remain to be answered as to the location, timing, and reversibility of these phosphorylation events and whether they are functionally relevant. The authors review phosphorylation as a mitochondrial regulatory strategy and highlight its possible role in the pathophysiology of cardiac hypertrophy and failure.
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Affiliation(s)
- Brian O'Rourke
- Department of Medicine, Division of Cardiology, The Johns Hopkins University, Baltimore, MD 21205-2195, USA.
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Shumaev KB, Sviryaeva IV, Gubkina SA, Krivova TS, Topunov AF, Vanin AF, Ruuge EK. Formation of dinitrosyl iron complexes in cardiac mitochondria. Biophysics (Nagoya-shi) 2010. [DOI: 10.1134/s0006350910030097] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Seya K, Kanemaru K, Sugimoto C, Suzuki M, Takeo T, Motomura S, Kitahara H, Niwa M, Oshima Y, Furukawa KI. Opposite effects of two resveratrol (trans-3,5,4'-trihydroxystilbene) tetramers, vitisin A and hopeaphenol, on apoptosis of myocytes isolated from adult rat heart. J Pharmacol Exp Ther 2008; 328:90-8. [PMID: 18927354 DOI: 10.1124/jpet.108.143172] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
It has been reported that resveratrol (trans-3,5,4'-trihydroxystilbene) from Vitis plants has various cardioprotective effects. Vitis plants also include various resveratrol tetramers. The aim of our study is to clarify the pharmacological properties of resveratrol tetramers. We isolated two resveratrol tetramers as major products of Vitis plants. One is vitisin A, a complex of two resveratrol dimers, (+)-epsilon-viniferin and ampelopsin B, and the other is hopeaphenol, composed of 2 mol ampelopsin B. Vitisin A (30-300 nM) unexpectedly dose-dependently facilitated swelling and depolarization of mitochondria and cytochrome c release from mitochondria, which are indices of cardiomyocyte apoptosis. Furthermore, vitisin A induced apoptosis in the primary culture of adult rat ventricular myocytes. On the other hand, hopeaphenol (1-10 microM) dose-dependently inhibited Ca(2+) (30 microM)-induced mitochondrial depolarization and cytochrome c release from mitochondria but had not affected mitochondrial swelling. Moreover, hopeaphenol inhibited vitisin A-induced apoptosis. In structural and functional studies, we further confirmed that vitisin B, one of the resveratrol tetramers having (+)-epsilon-viniferin unit, induces mitochondrial swelling and cytochrome c release from mitochondria like vitisin A and that vitisifuran A, one of the resveratrol tetramers having the ampelopsin B unit, inhibits Ca(2+)-induced cytochrome c release from mitochondria like hopeaphenol. These results show that resveratrol tetramers have at least two opposite effects on cardiomyocytes; the one having the (+)-epsilon-viniferin unit induces cardiomyocyte apoptosis, and the other having ampelopsin B but not (+)-epsilon-viniferin unit inhibits it.
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Affiliation(s)
- Kazuhiko Seya
- Department of Pharmacology, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki 036-8562, Japan
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Rabkin SW, Tsang MY. Interaction of the HMG-CoA reductase inhibitor lovastatin and nitric oxide in cardiomyocyte cell death. Pharmacology 2008; 82:74-82. [PMID: 18504415 DOI: 10.1159/000134380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2007] [Accepted: 12/27/2007] [Indexed: 11/19/2022]
Abstract
AIM The objective of this study was to examine the interaction ofa 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitor (statin) with a nitric oxide (NO) donor from the perspective of the impact on cardiomyocyte cell viability. METHODS Embryonic chick cardiomyocytes in culture were treated with a wide range of concentrations of sodium nitroprusside (SNP), which releases NO and also generates toxic reactive nitrogen species. SNP was combined with the HMG-CoA reductase inhibitor lovastatin and cell viability was assessed by the MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide] assay. RESULTS SNP and lovastatin each produced a significant (p < 0.01) concentration-dependent increase in cell death. Using SNP concentrations at or below the ED50, SNP (0.01, 0.1 or 0.5 mmol/l) increased the amount of cell death when combined with lovastatin (1, 10, 50 and 100 micromol/l). At lovastatin concentrations of 50 micromol/l and less, the amount of cell death was consistently similar to the arithmetic sum of SNP and lovastatin, suggesting that there was an additive and not synergistic relationship between SNP and lovastatin. In combination with lovastatin (100 micromol/l), however, the amount of cell death was consistently lower than the calculated expected value and suggested saturation of a common mechanism. The combination of SNP and lovastatin produced the characteristic microscopic changes of apoptosis. Considering that both SNP and lovastatin can activate caspase-3, cells were treated with the caspase-3 inhibitor Ac-DEVD-CHO. This inhibitor produced a significant (p < 0.05) and consistent 30% reduction in the amount of cell death induced by SNP and lovastatin. CONCLUSION These data suggest that the cardiomyocyte toxicity from NO continues to be evident uninterrupted by and not accentuated by the presence of an HMG-CoA inhibitor. The cardiac adverse effect of each of these agents utilizes a common pathway involving caspase-3 so that their cardiotoxicity can be blunted by a caspase-3 inhibitor.
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