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Serrano JJ, Delgado B, Medina MÁ. Control of tumor angiogenesis and metastasis through modulation of cell redox state. Biochim Biophys Acta Rev Cancer 2020; 1873:188352. [PMID: 32035101 DOI: 10.1016/j.bbcan.2020.188352] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 02/03/2020] [Accepted: 02/03/2020] [Indexed: 12/14/2022]
Abstract
Redox reactions pervade all biology. The control of cellular redox state is essential for bioenergetics and for the proper functioning of many biological functions. This review traces a timeline of findings regarding the connections between redox and cancer. There is ample evidence of the involvement of cellular redox state on the different hallmarks of cancer. Evidence of the control of tumor angiogenesis and metastasis through modulation of cell redox state is reviewed and highlighted.
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Affiliation(s)
- José J Serrano
- Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, E-29071 Málaga, Spain
| | - Belén Delgado
- Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, E-29071 Málaga, Spain
| | - Miguel Ángel Medina
- Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, E-29071 Málaga, Spain; IBIMA (Biomedical Research Institute of Málaga), E-29071 Málaga, Spain; CIBER de Enfermedades Raras (CIBERER), E-29071 Málaga, Spain.
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Díaz-Santiago E, Rodríguez-Caso L, Cárdenas C, Serrano JJ, Quesada AR, Medina MÁ. Homocysteine pre-treatment increases redox capacity in both endothelial and tumor cells. Redox Rep 2016; 22:183-189. [PMID: 27198616 DOI: 10.1080/13510002.2016.1183348] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
OBJECTIVE We studied the modulatory effects of homocysteine pre-treatment on the disulfide reduction capacity of tumor and endothelial cells. METHODS Human MDA-MB-231 breast carcinoma and bovine aorta endothelial cells were pre-treated for 1-24 hours with 0.5-5 mM homocysteine or homocysteine thiolactone. After washing to eliminate any rest of homocysteine or homocysteine thiolactone, cell redox capacity was determined by using a method for measuring disulfide reduction. RESULTS Homocysteine pre-treatments for 1-4 hours at a concentration of 0.5-5 mM increase the disulfide reduction capacity of both tumor and endothelial cells. This effect cannot be fully mimicked by either cysteine or homocysteine thiolactone pre-treatments of tumor cells. DISCUSSION Taken together, our data suggest that homocysteine can behave as an anti-oxidant agent by increasing the anti-oxidant capacity of tumor and endothelial cells.
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Affiliation(s)
- Elena Díaz-Santiago
- a Departamento de Biología Molecular y Bioquímica , Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga , Andalucía Tech , Spain
| | - Luis Rodríguez-Caso
- a Departamento de Biología Molecular y Bioquímica , Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga , Andalucía Tech , Spain
| | - Casimiro Cárdenas
- a Departamento de Biología Molecular y Bioquímica , Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga , Andalucía Tech , Spain.,b Research Support Central Services (SCAI) of the University of Málaga , Spain
| | - José J Serrano
- a Departamento de Biología Molecular y Bioquímica , Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga , Andalucía Tech , Spain
| | - Ana R Quesada
- a Departamento de Biología Molecular y Bioquímica , Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga , Andalucía Tech , Spain.,c CIBER de Enfermedades Raras (CIBERER) , E-29071 Málaga , Spain
| | - Miguel Ángel Medina
- a Departamento de Biología Molecular y Bioquímica , Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga , Andalucía Tech , Spain.,c CIBER de Enfermedades Raras (CIBERER) , E-29071 Málaga , Spain
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Côrte-Real L, Mendes F, Coimbra J, Morais TS, Tomaz AI, Valente A, Garcia MH, Santos I, Bicho M, Marques F. Anticancer activity of structurally related ruthenium(II) cyclopentadienyl complexes. J Biol Inorg Chem 2014; 19:853-67. [PMID: 24562604 DOI: 10.1007/s00775-014-1120-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Accepted: 02/06/2014] [Indexed: 12/12/2022]
Abstract
A set of structurally related Ru(η(5)-C5H5) complexes with bidentate N,N'-heteroaromatic ligands have been evaluated as prospective metallodrugs, with focus on exploring the uptake and cell death mechanisms and potential cellular targets. We have extended these studies to examine the potential of these complexes to target cancer cell metabolism, the energetic-related phenotype of cancer cells. The observations that these complexes can enter cells, probably facilitated by binding to plasma transferrin, and can be retained preferentially at the membranes prompted us to explore possible membrane targets involved in cancer cell metabolism. Most malignant tumors present the Warburg effect, which consists in increasing glycolytic rates with production of lactate, even in the presence of oxygen. The reliance of glycolytic cancer cells on trans-plasma-membrane electron transport (TPMET) systems for their continued survival raises the question of their appropriateness as a target for anticancer drug development strategies. Considering the interesting findings that some anticancer drugs in clinical use are cytotoxic even without entering cells and can inhibit TPMET activity, we investigated whether redox enzyme modulation could be a potential mechanism of action of antitumor ruthenium complexes. The results from this study indicated that ruthenium complexes can inhibit lactate production and TPMET activity in a way dependent on the cancer cell aggressiveness and the concentration of the complex. Combination approaches that target cell metabolism (glycolytic inhibitors) as well as proliferation are needed to successfully cure cancer. This study supports the potential use of some of these ruthenium complexes as adjuvants of glycolytic inhibitors in the treatment of aggressive cancers.
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Affiliation(s)
- Leonor Côrte-Real
- Unidade Ciências Químicas e Radiofarmacêuticas, Instituto Superior Técnico, Universidade de Lisboa, Polo de Loures-Campus Tecnológico e Nuclear, Estrada Nacional 10, km 139.7, 2695-066, Bobadela LRS Sacavém, Portugal
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Del Principe D, Avigliano L, Savini I, Catani MV. Trans-plasma membrane electron transport in mammals: functional significance in health and disease. Antioxid Redox Signal 2011; 14:2289-318. [PMID: 20812784 DOI: 10.1089/ars.2010.3247] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Trans-plasma membrane electron transport (t-PMET) has been established since the 1960s, but it has only been subject to more intensive research in the last decade. The discovery and characterization at the molecular level of its novel components has increased our understanding of how t-PMET regulates distinct cellular functions. This review will give an update on t-PMET, with particular emphasis on how its malfunction relates to some diseases, such as cancer, abnormal cell death, cardiovascular diseases, aging, obesity, neurodegenerative diseases, pulmonary fibrosis, asthma, and genetically linked pathologies. Understanding these relationships may provide novel therapeutic approaches for pathologies associated with unbalanced redox state.
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Affiliation(s)
- Domenico Del Principe
- Department of Experimental Medicine and Biochemical Sciences, University of Rome Tor Vergata, Rome, Italy.
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Matteucci E, Consani C, Masoni MC, Giampietro O. Circadian blood pressure variability in type 1 diabetes subjects and their nondiabetic siblings - influence of erythrocyte electron transfer. Cardiovasc Diabetol 2010; 9:61. [PMID: 20920366 PMCID: PMC2959008 DOI: 10.1186/1475-2840-9-61] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2010] [Accepted: 10/05/2010] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Normotensive non-diabetic relatives of type 1 diabetes (T1D) patients have an abnormal blood pressure response to exercise testing that is associated with indices of metabolic syndrome and increased oxidative stress. The primary aim of this study was to investigate the circadian variability of blood pressure and the ambulatory arterial stiffness index (AASI) in healthy siblings of T1D patients vs healthy control subjects who had no first-degree relative with T1D. Secondary aims of the study were to explore the influence of both cardiovascular autonomic function and erythrocyte electron transfer activity as oxidative marker on the ambulatory blood pressure profile. METHODS Twenty-four hour ambulatory blood pressure monitoring (ABPM) was undertaken in 25 controls, 20 T1D patients and 20 siblings. In addition to laboratory examination (including homeostasis model assessment of insulin sensitivity) and clinical testing of autonomic function, we measured the rate of oxidant-induced erythrocyte electron transfer to extracellular ferricyanide (RBC vfcy). RESULTS Systolic blood pressure (SBP) midline-estimating statistic of rhythm and pulse pressure were higher in T1D patients and correlated positively with diabetes duration and RBC vfcy; autonomic dysfunction was associated with diastolic BP ecphasia and increased AASI. Siblings had higher BMI, lower insulin sensitivity, larger SBP amplitude, and higher AASI than controls. Daytime SBP was positively, independently associated with BMI and RBC vfcy. Among non-diabetic people, there was a significant correlation between AASI and fasting plasma glucose. CONCLUSIONS Siblings of T1D patients exhibited a cluster of sub-clinical metabolic abnormalities associated with consensual perturbations in BP variability. Moreover, our findings support, in a clinical setting, the proposed role of transplasma membrane electron transport systems in vascular pathobiology.
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Affiliation(s)
- Elena Matteucci
- Department of Internal Medicine, University of Pisa, via Roma 67, 56126 Pisa, Italy.
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Rao RP, Prakasa Rao J. Evidence for functional interaction of plasma membrane electron transport, voltage-dependent anion channel and volume-regulated anion channel in frog aorta. J Biosci 2010; 35:519-24. [DOI: 10.1007/s12038-010-0059-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Agnati LF, Leo G, Genedani S, Piron L, Rivera A, Guidolin D, Fuxe K. Common key-signals in learning and neurodegeneration: focus on excito-amino acids, beta-amyloid peptides and alpha-synuclein. J Neural Transm (Vienna) 2008; 116:953-74. [PMID: 19018448 DOI: 10.1007/s00702-008-0150-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2008] [Accepted: 10/20/2008] [Indexed: 01/11/2023]
Abstract
In this paper a hypothesis that some special signals ("key-signals" excito-amino acids, beta-amyloid peptides and alpha-synuclein) are not only involved in information handling by the neuronal circuits, but also trigger out substantial structural and/or functional changes in the Central Nervous System (CNS) is introduced. This forces the neuronal circuits to move from one stable state towards a new state, but in doing so these signals became potentially dangerous. Several mechanisms are put in action to protect neurons and glial cells from these potentially harmful signals. However, in agreement with the Red Queen Theory of Ageing (Agnati et al. in Acta Physiol Scand 145:301-309, 1992), it is proposed that during ageing these neuroprotective processes become less effective while, in the meantime, a shortage of brain plasticity occurs together with an increased need of plasticity for repairing the wear and tear of the CNS. The paper presents findings supporting the concept that such key-signals in instances such as ageing may favour neurodegenerative processes in an attempt of maximizing neuronal plasticity.
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Affiliation(s)
- L F Agnati
- Department of BioMedical Sciences, University of Modena, Via Campi 287, 41100 Modena, Italy.
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Two types of seizures in homocysteine thiolactone-treated adult rats, behavioral and electroencephalographic study. Cell Mol Neurobiol 2008; 29:329-39. [PMID: 18972205 DOI: 10.1007/s10571-008-9324-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2008] [Accepted: 10/09/2008] [Indexed: 02/05/2023]
Abstract
D,L-homocysteine thiolactone (H), a reactive homocysteine metabolite, contributes to total homocysteine pool. The aim of the present study was to determine the effects of H after acute application in increasing doses to rats. Adult Wistar rat were intraperitoneally administered saline or H in increasing doses (5.5, 8.0, or 11.0 mmol/kg). For electroencephalographic (EEG) recordings, three gold-plated screws were implanted into the skull and animals were supervised. We observed H-induced two types of seizures, the coexistence of convulsive and nonconvulsive epilepsy. Dose-related increase in the number and severity (0-4) of displaying convulsions was recorded. In H(5.5) group, the majority of seizure episodes were grade 1 (62.5 and 0% lethality), in H(8) 40% grade 2, and in H(11) grade 4 in 42.11% (100% lethal outcome). EEGs recordings in convulsive animals showed a high-voltage spike-wave and polyspikes complexes. The second, absence-like, nonconvulsive seizures were accompanied by the EEGs mostly with 6-8 Hz spikes-and-wave discharges (SWD). Latency time to the generalized clonic-tonic seizures overlapped with the time of the maximal median number and median duration of the SWD per 15 min during 90-min observing period. The results show that acute H administration significantly changes neurons, EEG tracings, and behavioral responses and suggests a possible model for studying petit mal epilepsy.
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Lee S, Li R, Kim B, Palvolgyi R, Ho T, Yang QZ, Xu J, Szeto WL, Honda H, Berliner JA. Ox-PAPC activation of PMET system increases expression of heme oxygenase-1 in human aortic endothelial cell. J Lipid Res 2008; 50:265-74. [PMID: 18757839 DOI: 10.1194/jlr.m800317-jlr200] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Oxidized-1-palmitoyl-2-arachidonyl-sn-glycerol-3-phosphocholine (Ox-PAPC) has been demonstrated to accumulate in atherosclerotic lesions and regulates expression of more than 1,000 genes in human aortic endothelial cell (HAEC). Among the most highly induced is heme oxygenase-1 (HO-1), a cell-protective antioxidant enzyme, which is sensitively induced by oxidative stress. To identify the pathway by which Ox-PAPC induces HO-1, we focused on the plasma membrane electron transport (PMET) complex, which contains ecto-NADH oxidase 1 (eNOX1) and NADPH:quinone oxidoreductase 1 (NQO1) and affects cellular redox status by regulating levels of NAD(P)H. We demonstrated that Ox-PAPC and its active components stimulated electron transfer through the PMET complex in HAECs from inside to outside [as determined by extracellular 2-(4-iodophenyl)-3-(44-nitrophenyl)-5-(2,4-disulfophenyl)-2H-tetrazolium (WST-1) reduction] and from outside to inside of the cell (as determined by intracellular NBT reduction). Chemical inhibitors of PMET system and siRNAs to PMET components (NQO1 and eNOX1) significantly decreased HO-1 induction by Ox-PAPC. We present evidence that Ox-PAPC activation of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) in HAEC plays an important role in the induction of HO-1 and PMET inhibitors blocked Nrf2 activation by Ox-PAPC. We hypothesized that PMET activation by Ox-PAPC causes intracellular NAD(P)H depletion, which leads to the increased oxidative stress and HO-1 induction. Supporting this hypothesis, cotreatment of cells with exogenous NAD(P)H and Ox-PAPC significantly decreased oxidative stress and HO-1 induction by Ox-PAPC. Taken together, we demonstrated that the PMET system in HAEC plays an important role in the regulation of cellular redox status and HO-1 expression by Ox-PAPC.
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Affiliation(s)
- Sangderk Lee
- Department of Pathology and Laboratory Medicine, University of California-Los Angeles, Los Angeles, CA 90095, USA
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Affiliation(s)
- Miguel Ángel Medina
- From Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, Universidad de Málaga, Spain
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