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Bianchi C, Kostygov AY, Kraeva N, Záhonová K, Horáková E, Sobotka R, Lukeš J, Yurchenko V. An enigmatic catalase of Blastocrithidia. Mol Biochem Parasitol 2019; 232:111199. [PMID: 31276694 DOI: 10.1016/j.molbiopara.2019.111199] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/01/2019] [Accepted: 07/01/2019] [Indexed: 12/01/2022]
Abstract
Here we report that trypanosomatid flagellates of the genus Blastocrithidia possess catalase. This enzyme is not phylogenetically related to the previously characterized catalases in other monoxenous trypanosomatids, suggesting that their genes have been acquired independently. Surprisingly, Blastocrithidia catalase is less enzymatically active, compared to its counterpart from Leptomonas pyrrhocoris, posing an intriguing biological question why this gene has been retained in the evolution of trypanosomatids.
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Affiliation(s)
- Claretta Bianchi
- Life Science Research Centre, Faculty of Science, University of Ostrava, Ostrava, Czech Republic
| | - Alexei Yu Kostygov
- Life Science Research Centre, Faculty of Science, University of Ostrava, Ostrava, Czech Republic; Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Natalya Kraeva
- Life Science Research Centre, Faculty of Science, University of Ostrava, Ostrava, Czech Republic
| | - Kristína Záhonová
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, České Budějovice (Budweis), Czech Republic; Department of Parasitology, Faculty of Science, Charles University, BIOCEV, Prague, Czech Republic
| | - Eva Horáková
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, České Budějovice (Budweis), Czech Republic
| | - Roman Sobotka
- Institute of Microbiology, Czech Academy of Sciences, Třeboň, Czech Republic; Faculty of Sciences, University of South Bohemia, České Budějovice (Budweis), Czech Republic
| | - Julius Lukeš
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, České Budějovice (Budweis), Czech Republic; Faculty of Sciences, University of South Bohemia, České Budějovice (Budweis), Czech Republic
| | - Vyacheslav Yurchenko
- Life Science Research Centre, Faculty of Science, University of Ostrava, Ostrava, Czech Republic; Martsinovsky Institute of Medical Parasitology, Tropical and Vector Borne Diseases, Sechenov University, Moscow, Russia.
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102
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Haghi Aminjan H, Abtahi SR, Hazrati E, Chamanara M, Jalili M, Paknejad B. Targeting of oxidative stress and inflammation through ROS/NF-kappaB pathway in phosphine-induced hepatotoxicity mitigation. Life Sci 2019; 232:116607. [PMID: 31254582 DOI: 10.1016/j.lfs.2019.116607] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 06/13/2019] [Accepted: 06/25/2019] [Indexed: 02/07/2023]
Abstract
AIMS Poisoning with aluminium phosphide (AlP) commonly has a high rate of mortality and morbidities. Phosphine gas is the main cause of AlP poisoning that has deleterious effect on multi-organs especially heart, kidney, and liver. Furthermore, several studies reported that resveratrol has cytoprotective effects through its pleiotropic property. The purpose of this study was to estimate the dose-dependent role of resveratrol on phosphine induced acute hepatic toxicity in rat model. MAIN METHODS The rats have been exposed to LD50 of AlP (12 mg/kg) by gavage, and resveratrol doses (20, 40, and 80 mg/kg) were injected 30 min after intoxication. After 24 h, the serum and liver tissue were collected for present study. KEY FINDINGS The results indicated that phosphine causes an alteration in oxidative stress markers including elevation of ROS, and GSH level, MPO activity, reduction in SOD, catalase and G6PD activity as well as reduction in SOD1 and catalase expression. Furthermore, phosphine significantly induced phosphorylation of IkappaB, NF-kappaB and up-regulation of TNF-α, IL-1β, IL-6, and ICAM-1 expression. Also, phosphine induces markedly reduced hepatocytes lives cell and elevated apoptosis and necrosis. Co-treatment of resveratrol in a dose-dependent manner reversed aforementioned alterations. All in all, histological analysis indicated a deleterious effect of phosphine on the liver, which is mitigated by resveratrol administration. SIGNIFICANCE The results of the present study suggest targeting ROS/NF-kappaB signalling pathway by resveratrol may have a significant effect on the improvement of hepatic injury induced by phosphine. It also may be a possible candidate for the treatment of phosphine-poisoning.
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Affiliation(s)
- Hamed Haghi Aminjan
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Seyed Reza Abtahi
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Ebrahim Hazrati
- Department of Anesthesia and Intensive Care, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Mohsen Chamanara
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Maryam Jalili
- Department of Clinical Sciences, School of Veterinary, Shiraz University, Shiraz, Iran
| | - Babak Paknejad
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran.
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103
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A Review of Bioactive Factors in Human Breastmilk: A Focus on Prematurity. Nutrients 2019; 11:nu11061307. [PMID: 31185620 PMCID: PMC6628333 DOI: 10.3390/nu11061307] [Citation(s) in RCA: 116] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/29/2019] [Accepted: 06/04/2019] [Indexed: 12/20/2022] Open
Abstract
Preterm birth is an increasing worldwide problem. Prematurity is the second most common cause of death in children under 5 years of age. It is associated with a higher risk of several pathologies in the perinatal period and adulthood. Maternal milk, a complex fluid with several bioactive factors, is the best option for the newborn. Its dynamic composition is influenced by diverse factors such as maternal age, lactation period, and health status. The aim of the present review is to summarize the current knowledge regarding some bioactive factors present in breastmilk, namely antioxidants, growth factors, adipokines, and cytokines, paying specific attention to prematurity. The revised literature reveals that the highest levels of these bioactive factors are found in the colostrum and they decrease along the lactation period; bioactive factors are found in higher levels in preterm as compared to full-term milk, they are lacking in formula milk, and decreased in donated milk. However, there are still some gaps and inconclusive data, and further research in this field is needed. Given the fact that many preterm mothers are unable to complete breastfeeding, new information could be important to develop infant supplements that best match preterm human milk.
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104
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Kim Y, Jang HH. Role of Cytosolic 2-Cys Prx1 and Prx2 in Redox Signaling. Antioxidants (Basel) 2019; 8:antiox8060169. [PMID: 31185618 PMCID: PMC6616918 DOI: 10.3390/antiox8060169] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 06/02/2019] [Accepted: 06/07/2019] [Indexed: 12/12/2022] Open
Abstract
Peroxiredoxins (Prxs), a family of peroxidases, are reactive oxygen species scavengers that hydrolyze H2O2 through catalytic cysteine. Mammalian Prxs comprise six isoforms (typical 2-Cys Prxs; Prx1–4, atypical 2-Cys Prx; Prx5, and 1-Cys Prx; Prx6) that are distributed over various cellular compartments as they are classified according to the position and number of conserved cysteine. 2-Cys Prx1 and Prx2 are abundant proteins that are ubiquitously expressed mainly in the cytosol, and over 90% of their amino acid sequences are homologous. Prx1 and Prx2 protect cells from ROS-mediated oxidative stress through the elimination of H2O2 and regulate cellular signaling through redox-dependent mechanism. In addition, Prx1 and Prx2 are able to bind to a diversity of interaction partners to regulate other various cellular processes in cancer (i.e., regulation of the protein redox status, cell growth, apoptosis, and tumorigenesis). Thus, Prx1 and Prx2 can be potential therapeutic targets and it is particularly important to control their level or activity. This review focuses on cytosolic 2-Cys Prx1 and Prx2 and their role in the regulation of redox signaling based on protein-protein interaction.
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Affiliation(s)
- Yosup Kim
- Department of Health Sciences and Technology, Graduate School of Medicine, Gachon University, Incheon 21999, Korea.
| | - Ho Hee Jang
- Department of Health Sciences and Technology, Graduate School of Medicine, Gachon University, Incheon 21999, Korea.
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Korea.
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105
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Yekta R, Dehghan G, Rashtbari S, Sadeghi L, Baradaran B, Sheibani N, Moosavi-Movahedi AA. The impact of water molecules on binding affinity of the anti-diabetic thiazolidinediones for catalase: Kinetic and mechanistic approaches. Arch Biochem Biophys 2019; 664:110-116. [PMID: 30738039 DOI: 10.1016/j.abb.2019.02.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/03/2019] [Accepted: 02/05/2019] [Indexed: 01/29/2023]
Abstract
Water molecules play a vital role in efficient drug binding to its target. Thiazolidinediones (TZDs), a class of anti-diabetic drugs, are widely used for treatment of type 2 diabetes mellitus. In the present study, the possible contribution of water molecules to the binding of TZDs to catalase, a potential target in the liver, was investigated by different experimental and theoretical methods. These studies indicated that TZDs could significantly improve the catalase catalytic function with a significant contribution from water molecules. As a probe for the differential number of released water molecules during the catalase transition from E to E* states, the activity of TZDs-catalase complexes was demonstrated to be mainly dependent on water activity. However, free catalase decomposed the substrate more independently. In addition, the spectrofluorimetry studies showed that the binding of TZDs to catalase needed the release of water molecules from the enzyme's binding pocket. The thermodynamic studies indicated that the binding enthalpy and entropy of TZDs for catalase were decreased with lower water activity. The favorable process contributes to release of water molecules from the binding pocket through the formation of hydrophobic interactions between catalase and TZDs in an enthalpic manner. Molecular docking simulations confirmed that the depletion of water molecules from the binding cavity is essential for effective interactions between TZDs and catalase.
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Affiliation(s)
- Reza Yekta
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Gholamreza Dehghan
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran.
| | - Samaneh Rashtbari
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Leila Sadeghi
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nader Sheibani
- Departments of Ophthalmology and Visual Sciences, Cell and Regenerative Biology, and Biomedical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Ali A Moosavi-Movahedi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran; Center of Excellence in Biothermodynamics, University of Tehran, Tehran, Iran
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106
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Wang SF, Liu X, Ding MY, Ma S, Zhao J, Wang Y, Li S. 2-O-β-d-glucopyranosyl- l-ascorbic acid, a novel vitamin C derivative from Lycium barbarum, prevents oxidative stress. Redox Biol 2019; 24:101173. [PMID: 30903981 PMCID: PMC6430735 DOI: 10.1016/j.redox.2019.101173] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 03/09/2019] [Accepted: 03/15/2019] [Indexed: 01/26/2023] Open
Abstract
Reducing agents are crucial for the management of maladaptive inflammation-induced macrophage death and hematopoietic toxicity of chemotherapy. 2-O-β-d-glucopyranosyl-l-ascorbic acid (AA-2βG), a unique AA (or vitamin C) derivative identified in Lycium barbarum, exhibited enhanced free radical scavenging activity compared with AA and its synthetic derivative AA-2αG. AA-2βG protected hydrogen peroxide-induced cell death in murine macrophage RAW264.7 cells. Treatment with AA-2βG eliminated oxidative stress and the ratio of cellular glutathione to glutathione disulfide more effectively than AA and AA-2αG. AA-2βG also significantly reduced the fluorescent intensity of DCFH-DA triggered by chemotherapeutic agent camptotehcin-11 but not fluorouracil. AA, AA-2αG, and AA-2βG significantly decreased Keap-1expression, and increased the expression levels of nuclear factor E2-related factor 2 (Nrf2) and heme oxygenase-1. All compounds triggered the nuclear translocation of Nrf2, while the ability of AA-2βG to enhance the Nrf2-DNA binding affinity was approximately two fold as those of AA and AA-2αG. Sodium ascorbate cotransporters (SVCT) inhibitors, sulfinpyrazone, phloretin, and 3-O-methyglucose, potently abrogated the free radical scavenging activities of AA, AA-2αG, and AA-2βG. The cellular uptake efficacy of AA-2αG and AA-2βG was less than 10% of AA, while the inhibition of SVCT with sulfinpyrazone considerably diminished the uptake efficacy of these compounds. AA-2αG and AA-2βG are more stable in the Fenton reagents than AA. In summary, AA-2βG from L. barbarum with excellent free radical scavenging activity is a promising natural AA derivative for further pharmacological evaluation.
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Affiliation(s)
- Shen-Fei Wang
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Avenida da Universidade, Taipa, Macao SAR, China
| | - Xin Liu
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Avenida da Universidade, Taipa, Macao SAR, China
| | - Mo-Yu Ding
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Avenida da Universidade, Taipa, Macao SAR, China
| | - Shuangcheng Ma
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Avenida da Universidade, Taipa, Macao SAR, China; National Institutes for Food and Drug Control, Beijing, 100050, China
| | - Jing Zhao
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Avenida da Universidade, Taipa, Macao SAR, China.
| | - Ying Wang
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Avenida da Universidade, Taipa, Macao SAR, China.
| | - Shaoping Li
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Avenida da Universidade, Taipa, Macao SAR, China.
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Meurer MC, Mees M, Mariano LNB, Boeing T, Somensi LB, Mariott M, da Silva RDCMVDAF, Dos Santos AC, Longo B, Santos França TC, Klein-Júnior LC, de Souza P, de Andrade SF, da Silva LM. Hydroalcoholic extract of Tagetes erecta L. flowers, rich in the carotenoid lutein, attenuates inflammatory cytokine secretion and improves the oxidative stress in an animal model of ulcerative colitis. Nutr Res 2019; 66:95-106. [PMID: 30979660 DOI: 10.1016/j.nutres.2019.03.005] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 02/13/2019] [Accepted: 03/04/2019] [Indexed: 01/08/2023]
Abstract
Given the role of oxidative stress in ulcerative colitis (UC) etiology, and the amount of lutein (a carotenoid with antioxidant properties) in the dry hydroalcoholic extract of Tagetes erecta flowers (DHETE), this study investigated the intestinal anti-inflammatory properties of DHETE in an animal model of UC. The amount of lutein in the extract was determined by 1H-nuclear magnetic resonance spectroscopy, and total phenols, radical scavenger capability, cytotoxicity, and effects on reactive oxygen species and nitric oxide production were evaluated in vitro. Experimental UC was established by adding 5% dextran sulfate sodium (DSS) to drinking water, with the effects of DHETE (30-300 mg/kg, once a day for 7 days) on the morphological (colon length and weight), clinical (disease activity index and body weight loss), microscopic (histological score and mucin levels), and biochemical parameters analyzed. The lutein concentration found in DHETE was 8.2%, and DHETE scavenged 2,2-diphenyl-1-picrylhydrazyl radicals at 1000 μg/mL The exposure of intestinal epithelial cells to DHETE did not change its viability but reduced reactive oxygen species and nitric oxide production after lipopolysaccharide stimulation. In vivo, DHETE (300 mg/kg) attenuated weight loss, disease activity index, colon shortening, and histopathological changes promoted by DSS intake. Moreover, DHETE increased mucin colonic staining. The treatment with DHETE decreased myeloperoxidase activity as well as tumor necrosis factor and interleukin-6 levels. The extract also increased reduced glutathione levels and catalase activity and normalized superoxide dismutase and glutathione-S-transferase activities. In conclusion, DHETE reduced colitis severity by attenuating inflammatory cytokine secretion and improved the endogenous antioxidant defense in DSS-induced UC in mice.
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Affiliation(s)
- Marianne Caroline Meurer
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Mariéli Mees
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Luísa Nathalia Bolda Mariano
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Thaise Boeing
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Lincon Bordignon Somensi
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Marihá Mariott
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Rita de Cássia Melo Vilhena de Andrade Fonseca da Silva
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Ana Caroline Dos Santos
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Bruna Longo
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Tauini Caroline Santos França
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Luiz Carlos Klein-Júnior
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Priscila de Souza
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Sérgio Faloni de Andrade
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901
| | - Luísa Mota da Silva
- Programa de Pós-Graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI)-Campus Itajaí, Santa Catarina, Brazil. Rua Uruguai, 458, Centro. CEP: 88302-901.
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Antioxidants as Renoprotective Agents for Ischemia during Partial Nephrectomy. BIOMED RESEARCH INTERNATIONAL 2019; 2019:8575398. [PMID: 30882000 PMCID: PMC6383545 DOI: 10.1155/2019/8575398] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 10/29/2018] [Accepted: 01/22/2019] [Indexed: 12/28/2022]
Abstract
Small renal masses have been diagnosed increasingly in recent decades, allowing surgical treatment by partial nephrectomy. This treatment option is associated with better renal function preservation, in comparison with radical nephrectomy. However, for obtaining a bloodless field during surgery, occlusion of renal artery and veins is often required, which results in transitory ischemia. The renal ischemia-reperfusion injury is associated with increased reactive oxygen species production leading to renal tissue damage. Thus, the use of antioxidants has been advocated in the partial nephrectomy perioperative period. Several antioxidants were investigated in regard to renal ischemia-reperfusion injury. The present manuscript aims to present the literature on the most commonly studied antioxidants used during partial nephrectomy. The results of experimental and clinical studies using antioxidants during partial nephrectomy are reported. Further, alimentary sources of some antioxidants are presented, stimulating future studies focusing on perioperative antioxidant-rich diets.
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Petrelli B, Bendelac L, Hicks GG, Fainsod A. Insights into retinoic acid deficiency and the induction of craniofacial malformations and microcephaly in fetal alcohol spectrum disorder. Genesis 2019; 57:e23278. [DOI: 10.1002/dvg.23278] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 12/03/2018] [Accepted: 12/04/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Berardino Petrelli
- Regenerative Medicine Program and the Department of Biochemistry & Medical Genetics, Max Rady College of Medicine, Rady Faculty of Health SciencesUniversity of Manitoba Winnipeg Manitoba Canada
| | - Liat Bendelac
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel‐CanadaFaculty of Medicine, Hebrew University Jerusalem Israel
| | - Geoffrey G. Hicks
- Regenerative Medicine Program and the Department of Biochemistry & Medical Genetics, Max Rady College of Medicine, Rady Faculty of Health SciencesUniversity of Manitoba Winnipeg Manitoba Canada
| | - Abraham Fainsod
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel‐CanadaFaculty of Medicine, Hebrew University Jerusalem Israel
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de Lucca L, Jantsch LB, Vendrame SA, Stein CDS, Klein VCG, Soares KB, Gallarreta FMP, Moresco RN, Gonçalves TDLG. Longitudinal Study of Delta-Aminolevulinate Dehydratase Activity and Oxidative Profile in Healthy Pregnant Women. Biomolecules 2019; 9:biom9010018. [PMID: 30634529 PMCID: PMC6359676 DOI: 10.3390/biom9010018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 12/28/2018] [Accepted: 01/02/2019] [Indexed: 01/24/2023] Open
Abstract
Pregnancy is characterized by changes in various organs, triggering changes in the use of energy substrates and increased oxygen consumption. In addition, gestation is an oxidative event that can be assessed by the relationship between free radicals and antioxidants produced by the body. Excessive production of free radicals has detrimental effects such as damage to enzymes, carbohydrates, and DNA. Thus, the objective of this study was to evaluate the oxidative status and antioxidant responses throughout pregnancy through a longitudinal study. Reactive oxygen species were analyzed by means of thiobarbituric acid reactive substances and nitric oxide, the antioxidant system through vitamin C, sulfhydryl groups, total antioxidant capacity, and ferric reducing ability of plasma as well as enzymes such as catalase and delta-aminolevulinate-dehydratase in pregnant women in the three gestational trimesters (n = 30). According to the results, the markers of oxidative damage showed significant differences in the different gestational trimesters where they were increased in the second trimester when compared to the first trimester. The antioxidant defenses responded differently in each gestational trimester, suggesting a response pattern to try to combat the damage caused by free radicals, in order to stabilize the increase of oxidative stress caused in the second gestational trimester.
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Affiliation(s)
- Leidiane de Lucca
- Postgraduate Program in Pharmaceutical Sciences, Department of Clinical and Toxicology Analysis, Center of Healthy Sciences, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, Brazil.
| | - Letícia Bigolin Jantsch
- Postgraduate Program in Pharmaceutical Sciences, Department of Clinical and Toxicology Analysis, Center of Healthy Sciences, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, Brazil.
| | - Silmara Ana Vendrame
- Postgraduate Program in Pharmaceutical Sciences, Department of Clinical and Toxicology Analysis, Center of Healthy Sciences, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, Brazil.
| | - Carolina Dos Santos Stein
- Postgraduate Program in Pharmaceutical Sciences, Department of Clinical and Toxicology Analysis, Center of Healthy Sciences, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, Brazil.
| | | | - Karina Biaggio Soares
- Department of Obstetrics and Gynecology, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, Brazil.
| | | | - Rafael Noal Moresco
- Postgraduate Program in Pharmaceutical Sciences, Department of Clinical and Toxicology Analysis, Center of Healthy Sciences, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, Brazil.
| | - Thissiane de Lima Gonçalves Gonçalves
- Postgraduate Program in Pharmaceutical Sciences, Department of Clinical and Toxicology Analysis, Center of Healthy Sciences, Federal University of Santa Maria (UFSM), Santa Maria 97105-900, Brazil.
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Eddaikra A, Amroun H, Raache R, Galleze A, Abdallah-Elhadj N, Azzouz M, Meçabih F, Mechti B, Abbadi MC, Touil-Boukoffa C, Attal N. Clinical variables and ethnicity may influenced by polymorphism of CAT -262C/T and MnSOD 47C/T antioxidant enzymes in Algerian type1 diabetes without complications. Gene 2018; 670:182-192. [PMID: 29859283 DOI: 10.1016/j.gene.2018.05.105] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 04/21/2018] [Accepted: 05/29/2018] [Indexed: 01/11/2023]
Abstract
The latest studies in Algeria show that the frequency of type 1 diabetes (T1D) without complications is lower than that with complications and represents a significant burden in terms of cost and treatment. For this reason, we are interested in uncomplicated type1 diabetes and risk factors that are related to polymorphisms of antioxidant enzymes in order to prevent its complications. A total of 260 blood samples of young Algerian adults were examined. The genotypic analysis of Catalase gene (CAT -262C/T, rs1001179) and the superoxide dismutase gene (MnSOD 47C/T, rs4880) was performed by real-time PCR using TaqMan technology. The genotypic distribution of the CAT -262C/T promoter gene's polymorphism showed a significant difference between control and T1D patients for the CC genotype (p = 0.009; OR = 0.30) and for the T allele (p = 0.002; OR = 2.82). In addition, the genotypic distribution of the MnSOD 47C/T gene showed an association with T1D for the CT genotype (p = 0.040; OR = 2.37). Our results revealed that polymorphisms of CAT and MnSOD may be associated with physiopathology causing the onset of T1D. Our data, suggest that the genotypic frequencies of these SNPs appear to be influenced by clinical variables and by the Arab-Berber ethnic origin of the Algerian population.
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Affiliation(s)
- A Eddaikra
- Department of Cellular Biology and Physiology, Faculty of Nature and Life, University Saad Dahleb, Blida, Algeria; Department of Cellular and Molecular Biology, Team Cytokines and Nitric Oxide Synthases, Faculty of Biology, University Houari Boumediene USTHB, Algiers, Algeria.
| | - H Amroun
- Department of Immunology, Institute Pasteur of Algeria, Algiers, Algeria
| | - R Raache
- Department of Cellular and Molecular Biology, Team Cytokines and Nitric Oxide Synthases, Faculty of Biology, University Houari Boumediene USTHB, Algiers, Algeria; Department of Immunology, Institute Pasteur of Algeria, Algiers, Algeria
| | - A Galleze
- Department of Cellular and Molecular Biology, Team Cytokines and Nitric Oxide Synthases, Faculty of Biology, University Houari Boumediene USTHB, Algiers, Algeria
| | - N Abdallah-Elhadj
- Diabetology Department, Trichine Ibrahime Fabore Hospital, Blida, Algeria
| | - M Azzouz
- Diabetology Department, Mustapha Pacha Hospital, Algiers, Algeria
| | - F Meçabih
- Department of Immunology, Institute Pasteur of Algeria, Algiers, Algeria
| | - B Mechti
- Department of Immunology, Institute Pasteur of Algeria, Algiers, Algeria
| | - M C Abbadi
- Department of Immunology, Institute Pasteur of Algeria, Algiers, Algeria
| | - C Touil-Boukoffa
- Department of Cellular and Molecular Biology, Team Cytokines and Nitric Oxide Synthases, Faculty of Biology, University Houari Boumediene USTHB, Algiers, Algeria
| | - N Attal
- Department of Immunology, Institute Pasteur of Algeria, Algiers, Algeria
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112
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Zhang X, Wang M, Teng S, Wang D, Li X, Wang X, Liao W, Wang D. Indolyl-chalcone derivatives induce hepatocellular carcinoma cells apoptosis through oxidative stress related mitochondrial pathway in vitro and in vivo. Chem Biol Interact 2018; 293:61-69. [DOI: 10.1016/j.cbi.2018.07.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 07/20/2018] [Accepted: 07/24/2018] [Indexed: 01/07/2023]
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113
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ROS-Mediated Mitochondrial Pathway is Required for Manilkara Zapota (L.) P. Royen Leaf Methanol Extract Inducing Apoptosis in the Modulation of Caspase Activation and EGFR/NF- κB Activities of HeLa Human Cervical Cancer Cells. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:6578648. [PMID: 29977314 PMCID: PMC6011101 DOI: 10.1155/2018/6578648] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 04/23/2018] [Accepted: 05/15/2018] [Indexed: 01/24/2023]
Abstract
Manilkara zapota (L.) P. Royen (family: Sapotaceae) is commonly called sapodilla, or locally known as ciku. The detailed mechanisms underlying Manilkara zapota leaf methanol extract against HeLa human cervical cancer cells have yet to be investigated. Therefore, our present study is designed to investigate the ability to induce apoptosis and the underlying mechanisms of Manilkara zapota leaf methanol extract inducing cytotoxicity in HeLa cells. The apoptotic cell death was assessed using Annexin V-propidium iodide staining. Intracellular reactive oxygen species (ROS) and mitochondrial membrane potential activities were measured using dichlorodihydrofluorescein diacetate and MitoLite Orange, respectively, by NovoCyte Flow Cytometer. Bax and Bcl-2 expression were evaluated using Enzyme-Linked Immunosorbent Assay. Caspase-3 activity was determined using a colorimetric assay. The associated biological interaction pathways were evaluated using quantitative real-time PCR. Our data showed that HeLa cells were relatively more sensitive to Manilkara zapota leaf methanol extract than other cancer cell lines studied. Overall analyses revealed that Manilkara zapota leaf methanol extract can inhibit the viability of HeLa cells, induce mitochondrial ROS generation, and inhibit nuclear factor-kappa B (NF-κB) and epidermal growth factor receptor (EGFR) transcriptional activities. Our results suggested that Manilkara zapota leaf methanol extract might represent a potential anticervical cancer agent.
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114
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Liu K, Liu X, Wang M, Wang X, Kang H, Lin S, Yang P, Dai C, Xu P, Li S, Dai Z. Two common functional catalase gene polymorphisms (rs1001179 and rs794316) and cancer susceptibility: evidence from 14,942 cancer cases and 43,285 controls. Oncotarget 2018; 7:62954-62965. [PMID: 27449288 PMCID: PMC5325339 DOI: 10.18632/oncotarget.10617] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 07/01/2016] [Indexed: 12/29/2022] Open
Abstract
Recent studies have focused on the associations of catalase polymorphisms with various types of cancer, including cervical and prostate cancers. However, the results were inconsistent. To obtain a more reliable conclusion, we evaluated the relationship between the two common catalase gene polymorphisms (rs1001179 and rs794316) and cancer risk by a meta-analysis. Our meta-analysis included 37 published studies involving 14,942 cancer patients and 43,285 cancer-free controls. Odds ratios (ORs) and 95% confidence intervals (CIs) were used to evaluate the cancer risk. The results demonstrated that the rs1001179 polymorphism was associated with an increased cancer risk in the recessive and homozygote models (TT vs. CC: OR = 1.19, P = 0.01; TT vs. CT+CC: OR = 1.19, P <0.001). Furthermore, stratified analyses revealed a significant association between the rs1001179 polymorphism and prostate cancer in all models except the homozygote comparison. An association of the rs794316 polymorphism with cancer risk was detected in two genetic models (TT vs. AA: OR = 1.34, 95% CI = 1.03-1.74, P <0.001; TT vs. AT+AA: OR = 1.39, 95% CI = 1.09-1.77, P = 0.01). Additional well-designed studies with large samples should be performed to validate our results.
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Affiliation(s)
- Kang Liu
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xinghan Liu
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Meng Wang
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xijing Wang
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Huafeng Kang
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Shuai Lin
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Pengtao Yang
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Cong Dai
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Peng Xu
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Shanli Li
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zhijun Dai
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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115
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Shabtai Y, Fainsod A. Competition between ethanol clearance and retinoic acid biosynthesis in the induction of fetal alcohol syndrome. Biochem Cell Biol 2018; 96:148-160. [DOI: 10.1139/bcb-2017-0132] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Several models have been proposed to explain the neurodevelopmental syndrome induced by exposure of human embryos to alcohol, which is known as fetal alcohol spectrum disorder (FASD). One of the proposed models suggests a competition for the enzymes required for the biosynthesis of retinoic acid. The outcome of such competition is development under conditions of reduced retinoic acid signaling. Retinoic acid is one of the biologically active metabolites of vitamin A (retinol), and regulates numerous embryonic and differentiation processes. The developmental malformations characteristic of FASD resemble those observed in vitamin A deficiency syndrome as well as from inhibition of retinoic acid biosynthesis or signaling in experimental models. There is extensive biochemical and enzymatic overlap between ethanol clearance and retinoic acid biosynthesis. Several lines of evidence suggest that in the embryo, the competition takes place between acetaldehyde and retinaldehyde for the aldehyde dehydrogenase activity available. In adults, this competition also extends to the alcohol dehydrogenase activity. Ethanol-induced developmental defects can be ameliorated by increasing the levels of retinol, retinaldehyde, or retinaldehyde dehydrogenase. Acetaldehyde inhibits the production of retinoic acid by retinaldehyde dehydrogenase, further supporting the competition model. All of the evidence supports the reduction of retinoic acid signaling as the etiological trigger in the induction of FASD.
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Affiliation(s)
- Yehuda Shabtai
- Department of Cellular Biochemistry and Cancer Research, Institute for Medical Research Israel–Canada, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
- Department of Cellular Biochemistry and Cancer Research, Institute for Medical Research Israel–Canada, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Abraham Fainsod
- Department of Cellular Biochemistry and Cancer Research, Institute for Medical Research Israel–Canada, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
- Department of Cellular Biochemistry and Cancer Research, Institute for Medical Research Israel–Canada, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
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116
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Rok J, Wrześniok D, Beberok A, Otręba M, Delijewski M, Buszman E. Phototoxic effect of oxytetracycline on normal human melanocytes. Toxicol In Vitro 2017; 48:26-32. [PMID: 29248593 DOI: 10.1016/j.tiv.2017.12.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 12/06/2017] [Accepted: 12/13/2017] [Indexed: 10/18/2022]
Abstract
Oxytetracycline is a broad-spectrum antibiotic, used in dermatology and veterinary medicine. Like other tetracyclines, it may evoke skin phototoxic reactions related to generation of reactive oxygen species (ROS). Melanins are biopolymers synthesised in melanocytes - highly specialised cells, localised in the basal layer of epidermis. Production of melanin is a defence mechanism against harmful effects of UV radiation, ROS and many chemical substances, including drugs. In the present study the influence of oxytetracycline and UVA radiation on darkly pigmented melanocytes viability, the melanogenesis process and the activity of antioxidant enzymes were analysed. The obtained results show that oxytetracycline decreases cell viability in a dose-dependent manner. It has also been stated that UVA radiation as well as simultaneous exposure to oxytetracycline and UVA radiation reduce melanocytes viability. The tested drug alone exhibits little effect on antioxidant enzymes activity and has no influence on the synthesis of melanin. However, simultaneous exposure of the cells to oxytetracycline and UVA radiation causes an increase of SOD and GPx activity, a decrease of CAT activity as well as stimulates melanogenesis. The obtained results suggest that phototoxicity of oxytetracycline towards normal human melanocytes depends on both time of UVA exposure and the drug concentration.
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Affiliation(s)
- Jakub Rok
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Silesia, Jagiellońska 4, PL 41-200 Sosnowiec, Poland.
| | - Dorota Wrześniok
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Silesia, Jagiellońska 4, PL 41-200 Sosnowiec, Poland
| | - Artur Beberok
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Silesia, Jagiellońska 4, PL 41-200 Sosnowiec, Poland
| | - Michał Otręba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Silesia, Jagiellońska 4, PL 41-200 Sosnowiec, Poland
| | - Marcin Delijewski
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Silesia, Jagiellońska 4, PL 41-200 Sosnowiec, Poland
| | - Ewa Buszman
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Silesia, Jagiellońska 4, PL 41-200 Sosnowiec, Poland
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117
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Rashtbari S, Dehghan G, Yekta R, Jouyban A, Iranshahi M. Effects of Resveratrol on the Structure and Catalytic Function of Bovine Liver catalase (BLC): Spectroscopic and Theoretical Studies. Adv Pharm Bull 2017; 7:349-357. [PMID: 29071216 PMCID: PMC5651055 DOI: 10.15171/apb.2017.042] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Revised: 06/25/2017] [Accepted: 07/05/2017] [Indexed: 12/14/2022] Open
Abstract
Purpose: The study on the interaction between various compounds and macromolecules such as enzymes has been very important for monitoring the alteration of structural and functional properties of them. Resveratrol (3, 5, 4-trihydroxy-stilbene; RES) is a biologically active phytoallexin found in grapes and other food products. This article shows an interaction of native bovine liver catalase (BLC) with natural antioxidant product, trans resveratrol (tRES) using multispectroscopic methods. Methods: The interaction between BLC and tRES is performed using UV-vis absorption, fluorescence and circular dichroism (CD) spectroscopy and molecular docking study. Results: In vitro kinetic studies indicated that tRES can decrease BLC activity through uncompetitive inhibition. The results of spectroscopic methods represented that the binding of tRES with BLC can change the micro-region around aromatic amino acids (tryptophan (Trp) and tyrosine (Tyr)) and quench intrinsic fluorescence of BLC by a static mechanism. According to fluorescence quenching data analysis, it was revealed that tRES has one binding site on BLC. The thermodynamic parameters were obtained, which demonstrated that tRES can bind to BLC by van der Waals forces and hydrogen bonds. Molecular docking results indicated that tRES binds to BLC away from heme group and near to the Tyr 324 and Phe 265. These results are in agreement with the experimental results. Conclusion: The inhibitory effect of tRES on BLC demonstrated that excessive consumption of the antioxidants could be resulted in hazardous effects.
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Affiliation(s)
- Samaneh Rashtbari
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Gholamreza Dehghan
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Reza Yekta
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrdad Iranshahi
- Department of Pharmacognosy, Faculty of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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118
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Rashtbari S, Dehghan G, Yekta R, Jouyban A. Investigation of the binding mechanism and inhibition of bovine liver catalase by quercetin: Multi-spectroscopic and computational study. ACTA ACUST UNITED AC 2017; 7:147-153. [PMID: 29159142 PMCID: PMC5684506 DOI: 10.15171/bi.2017.18] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 07/01/2017] [Accepted: 07/08/2017] [Indexed: 11/09/2022]
Abstract
Introduction: The study on the side effects of various drugs and compounds on enzymes is a main issue for monitoring the conformational and functional changes of them. Quercetin (3,5,7,3',4'-pentahydroxyflavone, QUE), a polyphenolic flavonoid, widely found in fruits, vegetables and it is used as an ingredient in foods and beverages. The interaction of bovine liver catalase (BLC) with QUE has been studied in this research by using different spectroscopic methods. Methods: In this work, the interaction of QUE with BLC was investigated using different spectroscopic methods including ultraviolet-visible (UV-vis) absorption, circular dichroism (CD) and fluorescence spectroscopy and molecular docking studies. Results: Fluorescence data at different temperatures, synchronous fluorescence and CD studies revealed conformational changes in the BLC structure in the presence of different concentration of QUE. Also, the fluorescence quenching data showed that QUE can form a non-fluorescent complex with BLC and quench its intrinsic emission by a static process. The binding constant (Ka) for the interaction was 104, and the number of binding site was obtained ~1. The ∆H, ∆S and ∆G changes were obtained, indicating that hydrophobic interactions play a main role in the complex formation. In vitro kinetic studies revealed that QUE can inhibit BLC activity through non-competitive manner. Molecular docking study results were in good agreement with experimental data, confirming only one binding site on BLC for QUE at a cavity among the wrapping domain, threating arm and β-barrel. Conclusion: Inhibition of BLC activity upon interaction with QUE demonstrated that in addition to their beneficial effects, they should not be overlooked for their side effects.
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Affiliation(s)
- Samaneh Rashtbari
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Gholamreza Dehghan
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Reza Yekta
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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119
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Shukla A, Trivedi SP. Anionic Surfactant, Linear Alkyl Benzene Sulphonate Induced Oxidative Stress and Hepatic Impairments in Fish Channa punctatus. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/s12595-017-0223-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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120
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Chiu A, Saigh MA, McCulloch C, Glogauer M. The Role of NrF2 in the Regulation of Periodontal Health and Disease. J Dent Res 2017; 96:975-983. [DOI: 10.1177/0022034517715007] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Immune-related disease tolerance is an important defense strategy that facilitates the maintenance of health in organs and tissues that are commonly colonized by bacteria. Immune tolerance to dysbiotic, tooth-borne biofilms is a poorly understood yet clinically relevant concept in the immunopathological mechanisms that are involved in the pathogenesis of periodontitis, particularly those related to neutrophil and macrophage responses. In periodontal health, neutrophils and macrophages respond to the formation of pathogenic bacterial biofilms by the production of bactericidal reactive oxygen species (ROS). However, when released in excess, ROS cause tissue damage and exacerbate inflammation. To counter these destructive responses, many cell types, including neutrophils and macrophages, launch a dedicated antioxidant system that limits the cell and tissue-damaging effects of ROS. The expression of antioxidants is primarily regulated by genetic response elements in their promoters. Here we consider the roles of nuclear factor erythroid 2-related factor (NrF2), a transcription factor, and other key regulators of antioxidants. The concept of disease tolerance, neutrophil and macrophage-generated oxidative stress, and their relationship to the pathogenesis of periodontitis is reviewed. We focus on the regulation of NrF2 and recent evidence suggesting that NrF2 plays a central role in host protection against tissue destruction in periodontitis.
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Affiliation(s)
- A.V. Chiu
- Matrix Dynamics Group, Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
| | - M. Al Saigh
- Matrix Dynamics Group, Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
| | - C.A. McCulloch
- Matrix Dynamics Group, Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
| | - M. Glogauer
- Matrix Dynamics Group, Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
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121
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Chan TK, Tan WSD, Peh HY, Wong WSF. Aeroallergens Induce Reactive Oxygen Species Production and DNA Damage and Dampen Antioxidant Responses in Bronchial Epithelial Cells. THE JOURNAL OF IMMUNOLOGY 2017; 199:39-47. [PMID: 28526682 DOI: 10.4049/jimmunol.1600657] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 04/21/2017] [Indexed: 12/31/2022]
Abstract
Exposure to environmental allergens is a major risk factor for asthma development. Allergens possess proteolytic activity that is capable of disrupting the airway epithelium. Although there is increasing evidence pointing to asthma as an epithelial disease, the underlying mechanism that drives asthma has not been fully elucidated. In this study, we investigated the direct DNA damage potential of aeroallergens on human bronchial epithelial cells and elucidated the mechanisms mediating the damage. Human bronchial epithelial cells, BEAS-2B, directly exposed to house dust mites (HDM) resulted in enhanced DNA damage, as measured by the CometChip and the staining of DNA double-strand break marker, γH2AX. HDM stimulated cellular reactive oxygen species production, increased mitochondrial oxidative stress, and promoted nitrosative stress. Notably, expression of nuclear factor erythroid 2-related factor 2-dependent antioxidant genes was reduced immediately after HDM exposure, suggesting that HDM altered antioxidant responses. HDM exposure also reduced cell proliferation and induced cell death. Importantly, HDM-induced DNA damage can be prevented by the antioxidants glutathione and catalase, suggesting that HDM-induced reactive oxygen and nitrogen species can be neutralized by antioxidants. Mechanistic studies revealed that HDM-induced cellular injury is NADPH oxidase (NOX)-dependent, and apocynin, a NOX inhibitor, protected cells from double-strand breaks induced by HDM. Our results show that direct exposure of bronchial epithelial cells to HDM leads to the production of reactive oxygen and nitrogen species that damage DNA and induce cytotoxicity. Antioxidants and NOX inhibitors can prevent HDM-induced DNA damage, revealing a novel role for antioxidants and NOX inhibitors in mitigating allergic airway disease.
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Affiliation(s)
- Tze Khee Chan
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University Health System, Singapore 117600, Singapore.,Immunology Program, Life Science Institute, National University of Singapore, Singapore 117456, Singapore.,Infectious Diseases Interdisciplinary Research Group, Singapore-MIT Alliance for Research and Technology, Campus for Research Excellence and Technological Enterprise, Singapore 138602, Singapore; and
| | - W S Daniel Tan
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University Health System, Singapore 117600, Singapore.,Immunology Program, Life Science Institute, National University of Singapore, Singapore 117456, Singapore
| | - Hong Yong Peh
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University Health System, Singapore 117600, Singapore.,Immunology Program, Life Science Institute, National University of Singapore, Singapore 117456, Singapore
| | - W S Fred Wong
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University Health System, Singapore 117600, Singapore; .,Immunology Program, Life Science Institute, National University of Singapore, Singapore 117456, Singapore.,Molecular Mechanisms of Inflammatory Diseases Interdisciplinary Research Group, Singapore-HUJ Alliance for Research and Enterprise, Campus for Research Excellence and Technological Enterprise, Singapore 138602, Singapore
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122
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Liao FS, Lo WS, Hsu YS, Wu CC, Wang SC, Shieh FK, Morabito JV, Chou LY, Wu KCW, Tsung CK. Shielding against Unfolding by Embedding Enzymes in Metal-Organic Frameworks via a de Novo Approach. J Am Chem Soc 2017; 139:6530-6533. [PMID: 28460166 DOI: 10.1021/jacs.7b01794] [Citation(s) in RCA: 222] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
We show that an enzyme maintains its biological function under a wider range of conditions after being embedded in metal-organic framework (MOF) microcrystals via a de novo approach. This enhanced stability arises from confinement of the enzyme molecules in the mesoporous cavities in the MOFs, which reduces the structural mobility of enzyme molecules. We embedded catalase (CAT) into zeolitic imidazolate frameworks (ZIF-90 and ZIF-8), and then exposed both embedded CAT and free CAT to a denature reagent (i.e., urea) and high temperatures (i.e., 80 °C). The embedded CAT maintains its biological function in the decomposition of hydrogen peroxide even when exposed to 6 M urea and 80 °C, with apparent rate constants kobs (s-1) of 1.30 × 10-3 and 1.05 × 10-3, respectively, while free CAT shows undetectable activity. A fluorescence spectroscopy study shows that the structural conformation of the embedded CAT changes less under these denaturing conditions than free CAT.
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Affiliation(s)
- Fu-Siang Liao
- School of Physical Science and Technology, ShanghaiTech University , Shanghai 201210, China.,Department of Chemistry, National Central University , Taoyuan 32001, Taiwan
| | - Wei-Shang Lo
- Department of Chemistry, National Central University , Taoyuan 32001, Taiwan
| | - Yu-Shen Hsu
- Department of Chemistry, National Central University , Taoyuan 32001, Taiwan
| | - Chang-Cheng Wu
- Department of Chemistry, National Central University , Taoyuan 32001, Taiwan
| | - Shao-Chun Wang
- Department of Chemistry, National Central University , Taoyuan 32001, Taiwan
| | - Fa-Kuen Shieh
- Department of Chemistry, National Central University , Taoyuan 32001, Taiwan
| | - Joseph V Morabito
- Department of Chemistry, Merkert Chemistry Center, Boston College , Chestnut Hill, Massachusetts 02467, United States
| | - Lien-Yang Chou
- School of Physical Science and Technology, ShanghaiTech University , Shanghai 201210, China
| | - Kevin C-W Wu
- Department of Chemical Engineering, National Taiwan University , Taipei 10617, Taiwan
| | - Chia-Kuang Tsung
- Department of Chemistry, Merkert Chemistry Center, Boston College , Chestnut Hill, Massachusetts 02467, United States
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123
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Güez CM, Souza ROD, Fischer P, Leão MFDM, Duarte JA, Boligon AA, Athayde ML, Zuravski L, Oliveira LFSD, Machado MM. Evaluation of basil extract ( Ocimum basilicum L.) on oxidative, anti-genotoxic and anti-inflammatory effects in human leukocytes cell cultures exposed to challenging agents. BRAZ J PHARM SCI 2017. [DOI: 10.1590/s2175-97902017000115098] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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124
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Deska M, Romuk E, Segiet OA, Buła G, Truchanowski W, Stolecka D, Birkner E, Gawrychowski J. Oxidative stress and angiogenesis in primary hyperparathyroidism. Eur Surg 2016; 49:118-126. [PMID: 28596785 PMCID: PMC5438426 DOI: 10.1007/s10353-016-0457-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 11/25/2016] [Indexed: 12/24/2022]
Abstract
Background The inappropriate elevation of parathormone (PTH), which regulates the process of angiogenesis in parathyroid tissue, causes the changes of activity of enzymes responsible for the removal of free radicals. Parathyroidectomy (PTX) in patients with primary hyperparathyroidism (PHPT) lowers the level of PTH and leads to the reduction of risk of cardiovascular and all-cause mortality by normalization of the antioxidant status. Therefore, the aims of the study were to assess the activity of antioxidant enzymes and free radical reaction products in patients after parathyroidectomy, and to evaluate the correlation between the systemic oxidative stress and angiogenic parameters. Materials and methods Patients with PHPT treated surgically were enrolled into the study. Total antioxidant capacity (TAC), total oxidative status (TOS), oxidative stress index (OSI), superoxide dismutase (SOD), ceruloplasmin (CER), lipid hydroperoxides (LHP) and malondialdehyde (MDA) were measured before and after parathyroidectomy. The immunohistological expression of angiogenic factors in parathyroid specimens was assessed by the BrightVision method from ImmunoLogic using murine monoclonal anti-human: anti-VEGF, anti-CD31 and anti-CD106 antibodies. Results The significant increase of TAC, CER, reduction of TOS, MDA, SOD, especially for cytoplasmic form, and significant decrease of OSI, LHP were observed after PTX. There was no significant correlation between changes of oxidative stress markers and angiogenic parameters: VEGF, CD-31, CD-106 in parathyroid tissue. The correlation level was low and medium. Conclusions Parathyroidectomy causes down-regulation of lipid peroxidation processes and leads to reduction of oxidative stress in patients with PHPT. The decrease in the OSI is the results of down-regulation of oxidative stress in the postoperative period. The change of the antioxidant status has no impact on angiogenesis processes in parathyroid tissue.
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Affiliation(s)
- Mariusz Deska
- School of Medicine with the Division of Dentistry, Department of General and Endocrine Surgery, Medical University of Silesia, Bytom, Poland
| | - Ewa Romuk
- School of Medicine with the Division of Dentistry, Department of Biochemistry, Medical University of Silesia, Zabrze, Poland
| | - Oliwia Anna Segiet
- School of Medicine with the Division of Dentistry, Department of Histology and Embryology, Medical University of Silesia, Jordana 19, 41-808 Zabrze, Poland
| | - Grzegorz Buła
- School of Medicine with the Division of Dentistry, Department of General and Endocrine Surgery, Medical University of Silesia, Bytom, Poland
| | - Witold Truchanowski
- School of Medicine with the Division of Dentistry, Department of General and Endocrine Surgery, Medical University of Silesia, Bytom, Poland
| | - Dominika Stolecka
- School of Medicine with the Division of Dentistry, Department of Biochemistry, Medical University of Silesia, Zabrze, Poland
| | - Ewa Birkner
- School of Medicine with the Division of Dentistry, Department of Biochemistry, Medical University of Silesia, Zabrze, Poland
| | - Jacek Gawrychowski
- School of Medicine with the Division of Dentistry, Department of General and Endocrine Surgery, Medical University of Silesia, Bytom, Poland
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Minjarez B, Calderón-González KG, Rustarazo MLV, Herrera-Aguirre ME, Labra-Barrios ML, Rincon-Limas DE, Del Pino MMS, Mena R, Luna-Arias JP. Identification of proteins that are differentially expressed in brains with Alzheimer's disease using iTRAQ labeling and tandem mass spectrometry. J Proteomics 2016; 139:103-21. [PMID: 27012543 DOI: 10.1016/j.jprot.2016.03.022] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Revised: 02/26/2016] [Accepted: 03/11/2016] [Indexed: 10/22/2022]
Abstract
UNLABELLED Alzheimer's disease is one of the leading causes of dementia in the elderly. It is considered the result of complex events involving both genetic and environmental factors. To gain further insights into this complexity, we quantitatively analyzed the proteome of cortex region of brains from patients diagnosed with Alzheimer's disease, using a bottom-up proteomics approach. We identified 721 isobaric-tagged polypeptides. From this universe, 61 were found overexpressed and 69 subexpressed in three brains with Alzheimer's disease in comparison to a normal brain. We determined that the most affected processes involving the overexpressed polypeptides corresponded to ROS and stress responses. For the subexpressed polypeptides, the main processes affected were oxidative phosphorylation, organellar acidification and cytoskeleton. We used Drosophila to validate some of the hits, particularly those non-previously described as connected with the disease, such as Sideroflexin and Phosphoglucomutase-1. We manipulated their homolog genes in Drosophila models of Aβ- and Tau-induced pathology. We found proteins that can either modify Aβ toxicity, Tau toxicity or both, suggesting specific interactions with different pathways. This approach illustrates the potential of Drosophila to validate hits after MS studies and suggest that model organisms should be included in the pipeline to identify relevant targets for Alzheimer's disease. BIOLOGICAL SIGNIFICANCE We report a set of differentially expressed proteins in three Alzheimer's disease brains in comparison to a normal brain. Our analyses allowed us to identify that the main affected pathways were ROS and stress responses, oxidative phosphorylation, organellar acidification and cytoskeleton. We validated some identified proteins using genetic models of Amyloid-β and Tau-induced pathology in Drosophila melanogaster. With this approach, Sideroflexin and Phosphoglucomutase-1 were identified as novel proteins connected with Alzheimer's disease.
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Affiliation(s)
- Benito Minjarez
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, Gustavo A. Madero, C.P. 07360 Ciudad de México, México.
| | - Karla Grisel Calderón-González
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, Gustavo A. Madero, C.P. 07360 Ciudad de México, México.
| | - Ma Luz Valero Rustarazo
- Unidad de Proteómica, Centro de Investigación Príncipe Felipe, C/Rambla del Saler 16, 46012 Valencia, España.
| | - María Esther Herrera-Aguirre
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, Gustavo A. Madero, C.P. 07360 Ciudad de México, México.
| | - María Luisa Labra-Barrios
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, Gustavo A. Madero, C.P. 07360 Ciudad de México, México.
| | - Diego E Rincon-Limas
- Department of Neurology, McKnight Brain Institute, University of Florida, Gainesville, FL 32611, USA; Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL 32611, USA.
| | - Manuel M Sánchez Del Pino
- Unidad de Proteómica, Centro de Investigación Príncipe Felipe, C/Rambla del Saler 16, 46012 Valencia, España.
| | - Raul Mena
- Departamento de Fisiología, Biofísica y Neurociencias, Cinvestav-IPN, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, Gustavo A. Madero, C.P. 07360 Ciudad de México, México
| | - Juan Pedro Luna-Arias
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, Gustavo A. Madero, C.P. 07360 Ciudad de México, México.
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Ahlstedt J, Tran TA, Strand SE, Gram M, Åkerström B. Human Anti-Oxidation Protein A1M--A Potential Kidney Protection Agent in Peptide Receptor Radionuclide Therapy. Int J Mol Sci 2015; 16:30309-20. [PMID: 26694383 PMCID: PMC4691176 DOI: 10.3390/ijms161226234] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2015] [Revised: 11/28/2015] [Accepted: 12/11/2015] [Indexed: 11/16/2022] Open
Abstract
Peptide receptor radionuclide therapy (PRRT) has been in clinical use for 15 years to treat metastatic neuroendocrine tumors. PRRT is limited by reabsorption and retention of the administered radiolabeled somatostatin analogues in the proximal tubule. Consequently, it is essential to develop and employ methods to protect the kidneys during PRRT. Today, infusion of positively charged amino acids is the standard method of kidney protection. Other methods, such as administration of amifostine, are still under evaluation and show promising results. α1-microglobulin (A1M) is a reductase and radical scavenging protein ubiquitously present in plasma and extravascular tissue. Human A1M has antioxidation properties and has been shown to prevent radiation-induced in vitro cell damage and protect non-irradiated surrounding cells. It has recently been shown in mice that exogenously infused A1M and the somatostatin analogue octreotide are co-localized in proximal tubules of the kidney after intravenous infusion. In this review we describe the current situation of kidney protection during PRRT, discuss the necessity and implications of more precise dosimetry and present A1M as a new, potential candidate for renal protection during PRRT and related targeted radionuclide therapies.
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Affiliation(s)
- Jonas Ahlstedt
- Section for Infection Medicine, Department of Clinical Sciences in Lund, Lund University, Lund 221 84, Sweden.
| | - Thuy A Tran
- Lund University Bioimaging Center, Lund University, Lund 221 84, Sweden.
| | - Sven-Erik Strand
- Section of Medical Radiation Physics, Department of Clinical Sciences in Lund, Lund University, Lund 221 84, Sweden.
| | - Magnus Gram
- Section for Infection Medicine, Department of Clinical Sciences in Lund, Lund University, Lund 221 84, Sweden.
| | - Bo Åkerström
- Section for Infection Medicine, Department of Clinical Sciences in Lund, Lund University, Lund 221 84, Sweden.
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Gruber J, Chen CB, Fong S, Ng LF, Teo E, Halliwell B. Caenorhabditis elegans: What We Can and Cannot Learn from Aging Worms. Antioxid Redox Signal 2015; 23:256-79. [PMID: 25544992 DOI: 10.1089/ars.2014.6210] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
SIGNIFICANCE The nematode Caenorhabditis elegans is a widely used model organism for research into aging. However, nematodes diverged from other animals between 600 and 1300 million years ago. Beyond the intuitive impression that some aspects of aging appear to be universal, is there evidence that insights into the aging process of nematodes may be applicable to humans? RECENT ADVANCES There have been a number of results in nematodes that appear to contradict long-held beliefs about mechanisms and causes of aging. For example, ablation of several key antioxidant systems has often failed to result in lifespan shortening in C. elegans. CRITICAL ISSUES While it is clear that some central signaling pathways controlling lifespan are broadly conserved across large evolutionary distances, it is less clear to what extent downstream molecular mechanisms of aging are conserved. In this review we discuss the biology of C. elegans and mammals in the context of aging and age-dependent diseases. We consider evidence from studies that attempt to investigate basic, possibly conserved mechanisms of aging especially in the context of the free radical theory of aging. Practical points, such as the need for blinding of lifespan studies and for appropriate biomarkers, are also considered. FUTURE DIRECTIONS As data on the aging process(es) in different organisms increase, it is becoming increasingly clear that there are both conserved (public) and private aspects to aging. It is important to explore the dividing lines between these two aspects and to be aware of the large gray areas in-between.
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Affiliation(s)
- Jan Gruber
- 1 Department of Biochemistry, National University of Singapore , Singapore, Singapore .,2 Yale-NUS College , Singapore, Singapore
| | - Ce-Belle Chen
- 3 Department of Physics, National University of Singapore , Singapore, Singapore
| | - Sheng Fong
- 4 Duke-NUS Graduate Medical School , Singapore, Singapore
| | - Li Fang Ng
- 1 Department of Biochemistry, National University of Singapore , Singapore, Singapore
| | - Emelyne Teo
- 1 Department of Biochemistry, National University of Singapore , Singapore, Singapore
| | - Barry Halliwell
- 1 Department of Biochemistry, National University of Singapore , Singapore, Singapore
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Elvitigala DAS, Priyathilaka TT, Whang I, Nam BH, Lee J. A teleostan homolog of catalase from black rockfish (Sebastes schlegelii): insights into functional roles in host antioxidant defense and expressional responses to septic conditions. FISH & SHELLFISH IMMUNOLOGY 2015; 44:321-331. [PMID: 25707597 DOI: 10.1016/j.fsi.2015.02.020] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Revised: 02/10/2015] [Accepted: 02/12/2015] [Indexed: 06/04/2023]
Abstract
Antioxidative defense renders a significant protection against environmental stress in organisms and maintains the correct redox balance in cells, thereby supporting proper immune function. Catalase is an indispensable antioxidant in organisms that detoxifies hydrogen peroxides produced in cellular environments. In this study, we sought to molecularly characterize a homolog of catalase (RfCat), identified from black rockfish (Sebastes schlegelii). RfCat consists of a 1581 bp coding region for a protein of 527 amino acids, with a predicted molecular weight of 60 kD. The protein sequence of RfCat harbored similar domain architecture to known catalases, containing a proximal active site signature and proximal heme ligand signature, and further sharing prominent homology with its teleostan counterparts. As affirmed by multiple sequence alignments, most of the functionally important residues were well conserved in RfCat. Furthermore, our phylogenetic analysis indicates its common vertebrate ancestral origin and a close evolutionary relationship with teleostan catalases. Recombinantly expressed RfCat demonstrated prominent peroxidase activity that varied with different substrate and protein concentrations, and protected against DNA damage. RfCat mRNA was ubiquitously expressed among different tissues examined, as detected by qPCR. In addition, RfCat mRNA expression was modulated in response to pathogenic stress elicited by Streptococcus iniae and poly I:C in blood and spleen tissues. Collectively, our findings indicate that RfCat may play an indispensable role in host response to oxidative stress and maintain a correct redox balance after a pathogen invasion.
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Affiliation(s)
- Don Anushka Sandaruwan Elvitigala
- Department of Marine Life Sciences, School of Marine Biomedical Sciences, Jeju National University, Jeju Self-Governing Province 690-756, Republic of Korea; Fish Vaccine Research Center, Jeju National University, Jeju Special Self-Governing Province 690-756, Republic of Korea
| | - Thanthrige Thiunuwan Priyathilaka
- Department of Marine Life Sciences, School of Marine Biomedical Sciences, Jeju National University, Jeju Self-Governing Province 690-756, Republic of Korea; Fish Vaccine Research Center, Jeju National University, Jeju Special Self-Governing Province 690-756, Republic of Korea
| | - Ilson Whang
- Fish Vaccine Research Center, Jeju National University, Jeju Special Self-Governing Province 690-756, Republic of Korea
| | - Bo-Hye Nam
- Biotechnology Research Division, National Fisheries Research and Development Institute, 408-1 Sirang-ri, Gijang-up, Gijang-gun, Busan 619-705, Republic of Korea
| | - Jehee Lee
- Department of Marine Life Sciences, School of Marine Biomedical Sciences, Jeju National University, Jeju Self-Governing Province 690-756, Republic of Korea; Fish Vaccine Research Center, Jeju National University, Jeju Special Self-Governing Province 690-756, Republic of Korea.
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Chakravarti R, Gupta K, Majors A, Ruple L, Aronica M, Stuehr DJ. Novel insights in mammalian catalase heme maturation: effect of NO and thioredoxin-1. Free Radic Biol Med 2015; 82:105-13. [PMID: 25659933 PMCID: PMC5030845 DOI: 10.1016/j.freeradbiomed.2015.01.030] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2014] [Revised: 01/07/2015] [Accepted: 01/13/2015] [Indexed: 12/29/2022]
Abstract
Catalase is a tetrameric heme-containing enzyme with essential antioxidant functions in biology. Multiple factors including nitric oxide (NO) have been shown to attenuate its activity. However, the possible impact of NO in relation to the maturation of active catalase, including its heme acquisition and tetramer formation, has not been investigated. We found that NO attenuates heme insertion into catalase in both short-term and long-term incubations. The NO inhibition in catalase heme incorporation was associated with defective oligomerization of catalase, such that inactive catalase monomers and dimers accumulated in place of the mature tetrameric enzyme. We also found that GAPDH plays a key role in mediating these NO effects on the structure and activity of catalase. Moreover, the NO sensitivity of catalase maturation could be altered up or down by manipulating the cellular expression level or activity of thioredoxin-1, a known protein-SNO denitrosylase enzyme. In a mouse model of allergic inflammatory asthma, we found that lungs from allergen-challenged mice contained a greater percentage of dimeric catalase relative to tetrameric catalase in the unchallenged control, suggesting that the mechanisms described here are in play in the allergic asthma model. Together, our study shows how maturation of active catalase can be influenced by NO, S-nitrosylated GAPDH, and thioredoxin-1, and how maturation may become compromised in inflammatory conditions such as asthma.
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Affiliation(s)
- Ritu Chakravarti
- Department of Pathobiology, Lerner Research Institute, 9500 Euclid Avenue, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Karishma Gupta
- School of Medicine, Case Western Reserve University, Cleveland, OH 44195, USA
| | - Alana Majors
- Department of Pathobiology, Lerner Research Institute, 9500 Euclid Avenue, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Lisa Ruple
- Department of Pathobiology, Lerner Research Institute, 9500 Euclid Avenue, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Mark Aronica
- Department of Pathobiology, Lerner Research Institute, 9500 Euclid Avenue, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Dennis J Stuehr
- Department of Pathobiology, Lerner Research Institute, 9500 Euclid Avenue, Cleveland Clinic, Cleveland, OH 44195, USA.
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130
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Therapeutic value of oral supplementation with melon superoxide dismutase and wheat gliadin combination. Nutrition 2015; 31:430-6. [DOI: 10.1016/j.nut.2014.10.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 09/16/2014] [Accepted: 10/18/2014] [Indexed: 01/10/2023]
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131
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Catalase C-262T polymorphism and risk of prostate cancer: evidence from meta-analysis. Gene 2015; 558:265-70. [PMID: 25576221 DOI: 10.1016/j.gene.2015.01.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 01/01/2015] [Accepted: 01/02/2015] [Indexed: 11/20/2022]
Abstract
Catalase is an important endogenous antioxidant enzyme that detoxifies hydrogen peroxide to oxygen and water, thus limiting the deleterious effects of reactive oxygen species. Several studies investigated the role of the Catalase (CAT) C-262T gene polymorphism on the risk of prostate cancer (PCa), but get conflicting results. We performed a meta-analysis based on five studies, to determine whether Catalase C-262T polymorphism contributes to the risk of prostate cancer using odds ratios (OR) with 95% confidence intervals (CI). On the whole, our evidence indicates that CAT C-262T polymorphism significantly increases PCa risk in the allele comparison model (OR=1.094, 95% CI=1.015-1.178, P=0.018). In the stratified analysis by ethnicity, the same results are found among Caucasians (allele model, OR=1.090, 95% CI=1.009-1.177, P=0.028, dominant model, OR=1.108, 95% CI=1.023-1.201, P=0.012, recessive model, OR=1.379, 95% CI=1.158-1.641, P=0.000, homozygous model, OR=1.429, 95% CI=1.196-1.707, P=0.000, and heterozygote model, OR=1.224, 95% CI=1.020-1.469, P=0.030). In conclusion, this meta-analysis suggests a positive correlation between Catalase C-262T polymorphism and the development of PCa.
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132
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Kim D, Park GB, Hur DY. Apoptotic signaling through reactive oxygen species in cancer cells. World J Immunol 2014; 4:158-173. [DOI: 10.5411/wji.v4.i3.158] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Revised: 06/03/2014] [Accepted: 10/16/2014] [Indexed: 02/05/2023] Open
Abstract
Reactive oxygen species (ROS) take part in diverse biological processes like cell growth, programmed cell death, cell senescence, and maintenance of the transformed state through regulation of signal transduction. Cancer cells adapt to new higher ROS circumstance. Sometimes, ROS induce cancer cell proliferation. Meanwhile, elevated ROS render cancer cells vulnerable to oxidative stress-induced cell death. However, this prominent character of cancer cells allows acquiring a resistance to oxidative stress conditions relative to normal cells. Activated signaling pathways that increase the level of intracellular ROS in cancer cells not only render up-regulation of several genes involved in cellular proliferation and evasion of apoptosis but also cause cancer cells and cancer stem cells to develop a high metabolic rate. In over the past several decades, many studies have indicated that ROS play a critical role as the secondary messenger of tumorigenesis and metastasis in cancer from both in vitro and in vivo. Here we summarize the role of ROS and anti-oxidants in contributing to or preventing cancer. In addition, we review the activated signaling pathways that make cancer cells susceptible to death.
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133
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Bone DBJ, Antic M, Quinonez D, Hammond JR. Hypoxanthine uptake by skeletal muscle microvascular endothelial cells from equilibrative nucleoside transporter 1 (ENT1)-null mice: effect of oxidative stress. Microvasc Res 2014; 98:16-22. [PMID: 25448155 DOI: 10.1016/j.mvr.2014.11.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Revised: 11/13/2014] [Accepted: 11/17/2014] [Indexed: 12/31/2022]
Abstract
Adenosine is an endogenous regulator of vascular tone. This activity of adenosine is terminated by its uptake and metabolism by microvascular endothelial cells (MVEC). The predominant transporter involved is ENT1 (equilibrative nucleoside transporter subtype 1). MVEC also express the nucleobase transporter (ENBT1) which is involved in the cellular flux of adenosine metabolites such as hypoxanthine. Changes in either of these transport systems would impact the bioactivity of adenosine and its metabolism, including the formation of oxygen free radicals. MVEC isolated from skeletal muscle of ENT1(+/+) and ENT1(-/-) mice were subjected to oxidative stress induced by simulated ischemia/reperfusion or menadione. The functional activities of ENT1 and ENBT1 were assessed based on zero-trans influx kinetics of radiolabeled substrates. There was a reduction in the rate of ENBT1-mediated hypoxanthine uptake by ENT1(+/+) MVEC treated with menadione or after exposure to conditions that simulate ischemia/reperfusion. In both cases, the superoxide dismutase mimetic MnTMPyP attenuated the loss of ENBT1 activity, implicating superoxide radicals in the response. In contrast, MVEC isolated from ENT1(-/-) mice showed no reduction in ENBT1 activity upon treatment with menadione or simulated ischemia/reperfusion, but they did have a significantly higher level of catalase activity relative to ENT1(+/+) MVEC. These data suggest that ENBT1 activity is decreased in MVEC in response to the increased superoxide radical that is associated with ischemia/reperfusion injury. MVEC isolated from ENT1(-/-) mice do not show this reduction in ENBT1, possibly due to increased catalase activity.
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Affiliation(s)
- D B J Bone
- Department of Physiology and Pharmacology, Western University, London, Ontario N6A 5C1, Canada.
| | - M Antic
- Department of Physiology and Pharmacology, Western University, London, Ontario N6A 5C1, Canada
| | - D Quinonez
- Department of Physiology and Pharmacology, Western University, London, Ontario N6A 5C1, Canada.
| | - J R Hammond
- Department of Physiology and Pharmacology, Western University, London, Ontario N6A 5C1, Canada.
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Jia M, Jing Y, Ai Q, Jiang R, Wan J, Lin L, Zhou D, Che Q, Li L, Tang L, Shen Y, Zhang L. Potential role of catalase in mice with lipopolysaccharide/D-galactosamine-induced fulminant liver injury. Hepatol Res 2014; 44:1151-8. [PMID: 23941578 DOI: 10.1111/hepr.12220] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 08/06/2013] [Accepted: 08/07/2013] [Indexed: 12/13/2022]
Abstract
AIM Lipopolysaccharide (LPS)-induced liver injury in D-galactosamine (D-Gal)-sensitized mice is a well-established animal model widely used in exploring the pathogenesis of fulminant hepatitis. Increasing evidence has indicated that reactive oxygen species (ROS)-induced oxidative injury may be involved in LPS/D-Gal-induced hepatitis. Catalase (CAT) is a major antioxidant enzyme while aminotriazole (ATZ) is commonly used as a CAT inhibitor. In the present study, the effects of ATZ on LPS/D-Gal-induced liver injury were investigated. METHODS Fuliminant liver injury was induced by intraperitoneal injection of LPS combined with D-Gal, ATZ was administrated 0.5 h prior to LPS/D-Gal challenge. The degree of liver injury, the level of hepatic oxidative stress, the grade of hepatic apoptosis and the survival of experimental animals were determined. RESULTS Our experimental data showed that treatment with ATZ significantly enhanced LPS/D-Gal-induced elevation of serum aspartate transaminase (AST) and alanine transaminase (ALT), exacerbated the hepatic histopathological abnormality and decreased the survival rate of experimental animals. ATZ inhibited the activity of CAT, increased the content of H2 O2 and the levels of malondialdehyde (MDA) in liver tissues. In addition, treatment with ATZ also enhanced LPS/D-Gal-induced hepatic apoptosis as evidenced by increased caspases activities in liver tissues and increased number of terminal deoxynucleotidyl transferase dUTP nick end labeling positive cells in liver sections. CONCLUSION These findings suggested that CAT might be involved in the progression of LPS/D-Gal-induced fulminant liver injury.
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Affiliation(s)
- Mengying Jia
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China
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Ramírez-Expósito MJ, Sánchez-López E, Cueto-Ureña C, Dueñas B, Carrera-González P, Navarro-Cecilia J, Mayas MD, Arias de Saavedra JM, Sánchez-Agesta R, Martínez-Martos JM. Circulating oxidative stress parameters in pre- and post-menopausal healthy women and in women suffering from breast cancer treated or not with neoadjuvant chemotherapy. Exp Gerontol 2014; 58:34-42. [DOI: 10.1016/j.exger.2014.07.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Revised: 07/04/2014] [Accepted: 07/11/2014] [Indexed: 10/25/2022]
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Pilar BC, Güllich AADC, Ströher DJ, Zuravski L, Mezzomo J, Coelho RP, Faoro D, Piccoli JDCE, Manfredini V. 28-days dietary supplementation with golden flaxseed improves biochemical and oxidative parameters in patients with metabolic syndrome. J Funct Foods 2014. [DOI: 10.1016/j.jff.2014.06.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Malmström E, Davidova A, Mörgelin M, Linder A, Larsen M, Qvortrup K, Nordenfelt P, Shannon O, Dzupova O, Holub M, Malmström J, Herwald H. Targeted mass spectrometry analysis of neutrophil-derived proteins released during sepsis progression. Thromb Haemost 2014; 112:1230-43. [PMID: 25104417 DOI: 10.1160/th14-04-0312] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Accepted: 06/16/2014] [Indexed: 12/22/2022]
Abstract
Early diagnosis of severe infectious diseases is essential for timely implementation of lifesaving therapies. In a search for novel biomarkers in sepsis diagnosis we focused on polymorphonuclear neutrophils (PMNs). Notably, PMNs have their protein cargo readily stored in granules and following systemic stimulation, an immediate increase of neutrophil-borne proteins can be observed into the circulation of sepsis patients. We applied a combination of mass spectrometry (MS) based approaches, LC-MS/MS and selected reaction monitoring (SRM), to characterise and quantify the neutrophil proteome in healthy or disease conditions. With this approach we identified a neutrophil-derived protein abundance pattern in blood plasma consisting of 20 proteins that can be used as a protein signature for severe infectious diseases. Our results also show that SRM is highly sensitive, specific, and reproducible and, thus, a promising technology to study a complex, dynamic and multifactorial disease such as sepsis.
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Affiliation(s)
- E Malmström
- Erik Malmström, Department of Clinical Sciences, Division of Infection Medicine, BMC B14, Lund University, Tornavägen 10, SE-221 84 Lund, Sweden, Tel.: +46 46 73 243 14 16, Fax: +46 46 157756, E-mail:
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138
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Hamza SM, Dyck JRB. Systemic and renal oxidative stress in the pathogenesis of hypertension: modulation of long-term control of arterial blood pressure by resveratrol. Front Physiol 2014; 5:292. [PMID: 25140155 PMCID: PMC4122172 DOI: 10.3389/fphys.2014.00292] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Accepted: 07/19/2014] [Indexed: 12/12/2022] Open
Abstract
Hypertension affects over 25% of the global population and is associated with grave and often fatal complications that affect many organ systems. Although great advancements have been made in the clinical assessment and treatment of hypertension, the cause of hypertension in over 90% of these patients is unknown, which hampers the development of targeted and more effective treatment. The etiology of hypertension involves multiple pathological processes and organ systems, however one unifying feature of all of these contributing factors is oxidative stress. Once the body's natural anti-oxidant defense mechanisms are overwhelmed, reactive oxygen species (ROS) begin to accumulate in the tissues. ROS play important roles in normal regulation of many physiological processes, however in excess they are detrimental and cause widespread cell and tissue damage as well as derangements in many physiological processes. Thus, control of oxidative stress has become an attractive target for pharmacotherapy to prevent and manage hypertension. Resveratrol (trans-3,5,4'-Trihydroxystilbene) is a naturally occurring polyphenol which has anti-oxidant effects in vivo. Many studies have shown anti-hypertensive effects of resveratrol in different pre-clinical models of hypertension, via a multitude of mechanisms that include its function as an anti-oxidant. However, results have been mixed and in some cases resveratrol has no effect on blood pressure. This may be due to the heavy emphasis on peripheral vasodilator effects of resveratrol and virtually no investigation of its potential renal effects. This is particularly troubling in the arena of hypertension, where it is well known and accepted that the kidney plays an essential role in the long term regulation of arterial pressure and a vital role in the initiation, development and maintenance of chronic hypertension. It is thus the focus of this review to discuss the potential of resveratrol as an anti-hypertensive treatment via amelioration of oxidative stress within the framework of the fundamental physiological principles of long term regulation of arterial blood pressure.
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Affiliation(s)
- Shereen M. Hamza
- Department of Pediatrics, Cardiovascular Research Centre, University of AlbertaEdmonton, AB, Canada
| | - Jason R. B. Dyck
- Department of Pediatrics, Cardiovascular Research Centre, University of AlbertaEdmonton, AB, Canada
- Department of Pharmacology, Cardiovascular Research Centre, University of AlbertaEdmonton, AB, Canada
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139
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Masoud M, Ebrahimi F, Minai-Tehrani D. Effect of cimetidine on catalase activity of Pseudomonas aeruginosa: a suggested mechanism of action. J Mol Microbiol Biotechnol 2014; 24:196-201. [PMID: 24993120 DOI: 10.1159/000364872] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Catalase is an important enzyme for the degradation of hydrogen peroxide in cells. Bacteria have potent catalase to deal with H2O2 in their medium culture. Any chemicals that inhibit catalase activity can be harmful for cells. Histamine H2 antagonist drugs such as cimetidine and ranitidine are used for the treatment of gastrointestinal tract disorders. The present results showed that cimetidine could inhibit the catalase activity of Pseudomonas aeruginosa in a competitive inhibition. The determination of IC50 value and Ki (6.5 μM) of cimetidine demonstrated that the enzyme binds to the drug with high affinity. Binding of the drug to the enzyme was pH-dependent and no binding was observed at basic pH (>9) and acidic pH (<6). Moreover, the imidazole ring and cyanoguanidine group of cimetidine may play an important role in inhibition by binding to Fe in heme group and glutamic acid 51 residue on the enzyme, respectively. Ranitidine had no effect on the catalase activity.
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Affiliation(s)
- Masoudeh Masoud
- BioResearch Lab, Faculty of Biological Sciences, Shahid Beheshti University, GC, Tehran, Iran
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140
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Involvement of catalase in the protective benefits of metformin in mice with oxidative liver injury. Chem Biol Interact 2014; 216:34-42. [DOI: 10.1016/j.cbi.2014.03.013] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Revised: 03/17/2014] [Accepted: 03/31/2014] [Indexed: 01/09/2023]
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141
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Hubens LEG, Verloop WL, Joles JA, Blankestijn PJ, Voskuil M. Ischemia and reactive oxygen species in sympathetic hyperactivity states: a vicious cycle that can be interrupted by renal denervation? Curr Hypertens Rep 2014; 15:313-20. [PMID: 23754326 DOI: 10.1007/s11906-013-0367-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Renal denervation has developed as a new treatment strategy for patients suffering from resistant hypertension. The success of this therapy is due to the fact that sympathetic hyperactivity is involved in the pathogenesis of elevated blood pressure. However, not only the sympathetic nervous system (SNS), but also the renin angiotensin system (RAS) is known to be involved in hypertension. In addition, RAS is involved in other sympathetic hyperactivity states, such as heart failure, chronic kidney disease, insulin resistance and obstructive sleep apnea. Moreover, renal denervation has a beneficial effect on patients suffering from these disease states. Recent research suggested that the production of reactive oxygen species (ROS) is elevated in sympathetic hyperactivity states, and that ROS are able to activate the SNS and local tissue renin angiotensin system. Therefore, this review discusses the possibility of ROS as a common trigger of SNS and RAS activity in sympathetic hyperactivity states, and the effect of renal denervation on this ROS production.
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Affiliation(s)
- Lisette E G Hubens
- Division of Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Heidelberglaan 100, Utrecht, The Netherlands
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142
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Trevisan G, Hoffmeister C, Rossato MF, Oliveira SM, Silva MA, Ineu RP, Guerra GP, Materazzi S, Fusi C, Nassini R, Geppetti P, Ferreira J. Transient Receptor Potential Ankyrin 1 Receptor Stimulation by Hydrogen Peroxide Is Critical to Trigger Pain During Monosodium Urate-Induced Inflammation in Rodents. ACTA ACUST UNITED AC 2013; 65:2984-95. [DOI: 10.1002/art.38112] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Accepted: 07/25/2013] [Indexed: 01/13/2023]
Affiliation(s)
| | | | | | | | | | - Rafael P. Ineu
- Federal University of Santa Maria; Santa Maria, RS Brazil
| | - Gustavo P. Guerra
- Federal University of Technology of Paraná, Medianeira Campus; Medianeira, PR Brazil
| | | | | | | | | | - Juliano Ferreira
- Federal University of Santa Maria; Santa Maria, RS Brazil
- Federal University of Santa Catarina; Florianópolis, SC Brazil
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143
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Vankayala SL, Hargis JC, Woodcock HL. How does catalase release nitric oxide? A computational structure-activity relationship study. J Chem Inf Model 2013; 53:2951-61. [PMID: 24087936 DOI: 10.1021/ci400395c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Hydroxyurea (HU) is the only FDA approved medication for treating sickle cell disease in adults. The primary mechanism of action is pharmacological elevation of nitric oxide (NO) levels which induces propagation of fetal hemoglobin. HU is known to undergo redox reactions with heme based enzymes like hemoglobin and catalase to produce NO. However, specific details about the HU based NO release remain unknown. Experimental studies indicate that interaction of HU with human catalase compound I produces NO. Presently, we combine flexible receptor-flexible substrate induced fit docking (IFD) with energy decomposition analyses to examine the atomic level details of a possible key step in the clinical conversion of HU to NO. Substrate binding modes of nine HU analogs with catalase compound I were investigated to determine the essential properties necessary for effective NO release. Three major binding orientations were found that provide insight into the possible reaction mechanisms for producing NO. Further results show that anion/radical intermediates produced as part of these mechanisms would be stabilized by hydrogen bonding interactions from distal residues His75, Asn148, Gln168, and oxoferryl-heme. These details will ideally contribute to both a clearer mechanistic picture and provide insights for future structure based drug design efforts.
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Affiliation(s)
- Sai Lakshmana Vankayala
- Department of Chemistry, University of South Florida , 4202 E. Fowler Avenue, CHE205, Tampa, Florida 33620-5250, United States
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144
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Bellanti F, Matteo M, Rollo T, De Rosario F, Greco P, Vendemiale G, Serviddio G. Sex hormones modulate circulating antioxidant enzymes: impact of estrogen therapy. Redox Biol 2013; 1:340-6. [PMID: 24024169 PMCID: PMC3757703 DOI: 10.1016/j.redox.2013.05.003] [Citation(s) in RCA: 167] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Revised: 05/26/2013] [Accepted: 05/30/2013] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVE Ovarian senescence affects many tissues and produces a variety of symptoms and signs. We hypothesized that estrogens may also influence circulating redox balance by regulating activity of the cellular antioxidative enzyme system. We aimed to explore the impact of surgical estrogen deprivation and replacement (ERT) on the glutathione balance and antioxidant enzymes expression in fertile women. STUDY DESIGN Nineteen healthy premenopausal women who underwent total hysterectomy with bilateral salpingo-oophorectomy were evaluated at baseline, 30 days after surgery without ERT and 30 days after ERT. Redox balance was determined by measuring blood reduced (GSH) and oxidized (GSSG) glutathione, as well as the GSSG/GSH ratio. Antioxidant status was evaluated by measuring serum estrogen (E2) levels and mRNA expression of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px) and glutathione S-transferase (GST) in peripheral blood mononuclear cells. RESULTS Serum E2 significantly lowered after surgery, and increased in 12 out of 19 patients after 30 days of ERT (Responders). In such patients, an increase in oxidative stress was observed after surgery that resolved after ERT. Oxidative stress was sustained by reduction in the mRNA expression of both SOD and GSH-Px, that recovered after 30 days of therapy in responders. CAT and GST mRNA expression were not modified by surgery and replacement therapy. CONCLUSIONS Menopause is associated with significant change in antioxidant gene expression that in turn affects circulating redox state. Estrogens replacement therapy is able to prevent and counteract such modifications by acting as regulators of key antioxidant gene expression. These findings suggest that antioxidant genes are, almost in part, under the control of sex hormones, and that pathophysiology of the difference in gender disease may depend on the redox biology.
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Affiliation(s)
- Francesco Bellanti
- Department of Medical and Surgical Sciences, Institute of Internal Medicine, University of Foggia, Italy
| | - Maria Matteo
- Department of Medical and Surgical Sciences, Institute of Obstetrics and Gynecology, University of Foggia, Italy
| | - Tiziana Rollo
- Department of Medical and Surgical Sciences, Institute of Internal Medicine, University of Foggia, Italy
| | - Filomena De Rosario
- Department of Medical and Surgical Sciences, Institute of Obstetrics and Gynecology, University of Foggia, Italy
| | - Pantaleo Greco
- Department of Medical and Surgical Sciences, Institute of Obstetrics and Gynecology, University of Foggia, Italy
| | - Gianluigi Vendemiale
- Department of Medical and Surgical Sciences, Institute of Internal Medicine, University of Foggia, Italy
| | - Gaetano Serviddio
- Department of Medical and Surgical Sciences, Institute of Internal Medicine, University of Foggia, Italy
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145
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Khodayari S, Salehi Z, Fakhrieh Asl S, Aminian K, Mirzaei Gisomi N, Torabi Dalivandan S. Catalase gene C-262T polymorphism: importance in ulcerative colitis. J Gastroenterol Hepatol 2013; 28:819-22. [PMID: 23425094 DOI: 10.1111/jgh.12141] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/19/2013] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND AIM Reactive oxygen species (ROS) are by-products of the cellular metabolism and have important roles in the normal physiology of the cell. However, when ROS production exceeds the antioxidant capacity, a state known as oxidative stress, damage to cellular macromolecules emerges. A crucial role in counteracting ROS is played by the enzyme catalase. A common polymorphism in the catalase (CAT) promoter region (C-262T) alters the expression as well as blood catalase levels, and leads to a number of human diseases. Ulcerative colitis (UC) is an inflammatory condition of the large bowel that is known to be influenced by oxidative stress. In this study, we aimed to evaluate the association of CAT C-262T polymorphism on the risk of UC. METHODS Samples were collected from 60 patients diagnosed with UC and 78 control subjects, and genotyped by allele-specific polymerase chain reaction. RESULTS We found that CAT C-262T genotype frequencies were significantly different between cases and controls (P = 0.002). Individuals carrying the -262C/T genotype had a greater risk for UC compared with C/C genotype (odds ratio, 4.88; 95% confidence interval, 1.73-13.75, P = 0.002). CONCLUSIONS This study indicates that CAT C-262T polymorphism may be associated with UC, and that the -262C/T genotype may be a risk factor for the disease. Further studies are needed to confirm the results.
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Affiliation(s)
- Siamak Khodayari
- Department of Biology, Pardis International, University of Guilan, Rasht, Iran
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146
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Al-Shobaili HA, Al Robaee AA, Alzolibani AA, Rasheed Z. Immunological studies of reactive oxygen species damaged catalase in patients with systemic lupus erythematosus: correlation with disease activity index. Immunol Invest 2013; 42:191-203. [PMID: 23461612 DOI: 10.3109/08820139.2012.751396] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES This study was undertaken to investigate the status and contribution of oxidized catalase in systemic lupus erythematosus (SLE) and to explore whether oxidized catalase has a role in disease progression. METHODS Catalase (CAT) was modified by reactive oxygen species (ROS). Sera from 50 SLE patients with varying levels of disease activity according to SLE Disease-Activity-Index (SLEDAI) and 45 age- and sex-matched healthy controls were evaluated for antibodies against oxidized CAT. RESULTS Serum analysis showed significantly higher level of anti-oxidized-CAT-antibodies in SLE patients compared with controls. Interestingly, not only was there an increased number of subjects positive for anti-oxidized-CAT-antibodies, but also the levels of these antibodies were significantly higher among SLE patients, whose SLEDAI scores were ≥ 10 as compared with lower SLEDAI scores (<10). In addition, significant correlation was observed between the levels of anti-oxidized-CAT-antibodies and SLEDAI score (r = 0.796). Furthermore, sera from SLE patients had lower levels of CAT activity compared with control sera. CONCLUSIONS These findings support an association between oxidized CAT and SLE. The stronger response observed in serum samples from patients with higher SLEDAI scores suggests that oxidized CAT may be a useful biomarker in evaluating the progression of SLE and in elucidating the mechanisms of disease pathogenesis.
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Affiliation(s)
- Hani A Al-Shobaili
- Department of Dermatology, College of Medicine, Qassim University, Buraidah, Kingdom of Saudi Arabia
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147
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Rawat SJ, Creasy CL, Peterson JR, Chernoff J. The tumor suppressor Mst1 promotes changes in the cellular redox state by phosphorylation and inactivation of peroxiredoxin-1 protein. J Biol Chem 2013; 288:8762-8771. [PMID: 23386615 DOI: 10.1074/jbc.m112.414524] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The serine/threonine protein kinases Mst1 and Mst2 can be activated by cellular stressors including hydrogen peroxide. Using two independent protein interaction screens, we show that these kinases associate, in an oxidation-dependent manner, with Prdx1, an enzyme that regulates the cellular redox state by reducing hydrogen peroxide to water and oxygen. Mst1 inactivates Prdx1 by phosphorylating it at Thr-90 and Thr-183, leading to accumulation of hydrogen peroxide in cells. These results suggest that hydrogen peroxide-stimulated Mst1 activates a positive feedback loop to sustain an oxidizing cellular state.
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Affiliation(s)
- Sonali Jalan Rawat
- Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111; Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, Pennsylvania 19102
| | - Caretha L Creasy
- Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111
| | - Jeffrey R Peterson
- Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111
| | - Jonathan Chernoff
- Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111.
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148
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Nechifor MT, Niculiţe CM, Urs AO, Regalia T, Mocanu M, Popescu A, Manda G, Dinu D, Leabu M. UVA irradiation of dysplastic keratinocytes: oxidative damage versus antioxidant defense. Int J Mol Sci 2012; 13:16718-36. [PMID: 23222638 PMCID: PMC3546716 DOI: 10.3390/ijms131216718] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Revised: 11/13/2012] [Accepted: 11/29/2012] [Indexed: 01/24/2023] Open
Abstract
UVA affects epidermal cell physiology in a complex manner, but the harmful effects have been studied mainly in terms of DNA damage, mutagenesis and carcinogenesis. We investigated UVA effects on membrane integrity and antioxidant defense of dysplastic keratinocytes after one and two hours of irradiation, both immediately after exposure, and 24 h post-irradiation. To determine the UVA oxidative stress on cell membrane, lipid peroxidation was correlated with changes in fatty acid levels. Membrane permeability and integrity were assessed by propidium iodide staining and lactate dehydrogenase release. The effects on keratinocyte antioxidant protection were investigated in terms of catalase activity and expression. Lipid peroxidation increased in an exposure time-dependent manner. UVA exposure decreased the level of polyunsaturated fatty acids, which gradually returned to its initial value. Lactate dehydrogenase release showed a dramatic loss in membrane integrity after 2 h minimum of exposure. The cell ability to restore membrane permeability was noted at 24 h post-irradiation (for one hour exposure). Catalase activity decreased in an exposure time-dependent manner. UVA-irradiated dysplastic keratinocytes developed mechanisms leading to cell protection and survival, following a non-lethal exposure. The surviving cells gained an increased resistance to apoptosis, suggesting that their pre-malignant status harbors an abnormal ability to control their fate.
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Affiliation(s)
- Marina T. Nechifor
- Faculty of Biology, University of Bucharest, Bucharest 050095, Romania; E-Mails: (M.T.N.); (D.D.)
| | - Cristina M. Niculiţe
- “Victor Babes” National Institute of Pathology, Bucharest 050096, Romania; E-Mails: (C.M.N.); (A.O.U.); (T.R.); (M.M.); (A.P.); (G.M.)
| | - Andreea O. Urs
- “Victor Babes” National Institute of Pathology, Bucharest 050096, Romania; E-Mails: (C.M.N.); (A.O.U.); (T.R.); (M.M.); (A.P.); (G.M.)
| | - Teodor Regalia
- “Victor Babes” National Institute of Pathology, Bucharest 050096, Romania; E-Mails: (C.M.N.); (A.O.U.); (T.R.); (M.M.); (A.P.); (G.M.)
- “Carol Davila” University of Medicine and Pharmacy, Bucharest 050096, Romania
| | - Mihaela Mocanu
- “Victor Babes” National Institute of Pathology, Bucharest 050096, Romania; E-Mails: (C.M.N.); (A.O.U.); (T.R.); (M.M.); (A.P.); (G.M.)
| | - Alexandra Popescu
- “Victor Babes” National Institute of Pathology, Bucharest 050096, Romania; E-Mails: (C.M.N.); (A.O.U.); (T.R.); (M.M.); (A.P.); (G.M.)
| | - Gina Manda
- “Victor Babes” National Institute of Pathology, Bucharest 050096, Romania; E-Mails: (C.M.N.); (A.O.U.); (T.R.); (M.M.); (A.P.); (G.M.)
| | - Diana Dinu
- Faculty of Biology, University of Bucharest, Bucharest 050095, Romania; E-Mails: (M.T.N.); (D.D.)
| | - Mircea Leabu
- “Victor Babes” National Institute of Pathology, Bucharest 050096, Romania; E-Mails: (C.M.N.); (A.O.U.); (T.R.); (M.M.); (A.P.); (G.M.)
- “Carol Davila” University of Medicine and Pharmacy, Bucharest 050096, Romania
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149
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Goyal MM, Basak A. Hydroxyl radical generation theory: a possible explanation of unexplained actions of mammalian catalase. INTERNATIONAL JOURNAL OF BIOCHEMISTRY AND MOLECULAR BIOLOGY 2012; 3:282-289. [PMID: 23097744 PMCID: PMC3476794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/24/2012] [Accepted: 09/17/2012] [Indexed: 06/01/2023]
Abstract
Catalase is well known antioxidant enzyme which catalyses the dissociation of hydrogen peroxide directly into H(2)O and O(2). Mammalian catalase has been considered as 'a venerable enzyme with new mysteries'. Some aspects of its mechanism of action are mystifying and many of new findings are still unexplained. To fill up the gap we propose the 'Hydroxyl Radical Generation Theory (HRGT)' with possible mechanism. According to HRGT, mammalian catalase apart from its known catalytic reaction generates hydroxyl radicals (HRs). The HR generation mainly depends on concentration of specific substrate, hydrogen peroxide. The present theory is supported by previous experimental findings and has great deal of observational evidences. The proposed mechanism of generation of HRs answer several unexplained features of mammalian catalase, however, should be tested further.
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Affiliation(s)
- Madhur M Goyal
- Department of Biochemistry, J.N. Medical College, Datta Meghe Institute of Medical Sciences (Deemed University) Wardha-442004, India
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150
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Role of peroxisomes in ROS/RNS-metabolism: Implications for human disease. Biochim Biophys Acta Mol Basis Dis 2012; 1822:1363-73. [DOI: 10.1016/j.bbadis.2011.12.001] [Citation(s) in RCA: 383] [Impact Index Per Article: 31.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Revised: 11/25/2011] [Accepted: 12/02/2011] [Indexed: 12/27/2022]
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