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Tijerina A, Fonseca D, Aguilera-González CJ, Heya MS, Martínez N, Sánchez N, Bouzas C, Tur JA, Salas R. Plasma Antioxidant Capacity Is Related to Dietary Intake, Body Composition, and Stage of Reproductive Aging in Women. Antioxidants (Basel) 2024; 13:940. [PMID: 39199186 PMCID: PMC11351479 DOI: 10.3390/antiox13080940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Revised: 06/29/2024] [Accepted: 07/31/2024] [Indexed: 09/01/2024] Open
Abstract
BACKGROUND women aging is a normal process of life; however, hormonal changes create an imbalance between prooxidants and antioxidants and could be measured as the antioxidant capability (AC) of an organism. OBJECTIVE to find the association between plasma AC levels, dietary intakes, and body composition in 18-64-year-old women living in the northeast of Mexico. METHODS A total of n = 514 women (18-64 years old) were grouped according to STRAW criteria as reproductive, menopausal transition, and postmenopausal. Anthropometrics, body mass index (BMI), weight-hip ratio (WHR), and weight-height ratio WHtR were determined, and percentage of body fat was analyzed by bioelectrical impedance. Dietary intake of macronutrients and vitamins A, E, and C were analyzed by a 3-day food recall. The AC status in plasma was analyzed by the ORACFL assay. RESULTS Plasma AC levels were higher in postmenopausal women (815 µmol TE/L), and menopausal transition women (806 µmol TE/L) than in reproductive women (633 µmol TE/L). BMI was overweight (>25 kg/m2) in all three groups. WHtR and WHR are above the healthy limit of 0.5 and 0.8, respectively for both menopausal transition and postmenopausal women. In reproductive women, negative relationships were calculated between plasma AC and age (Rho = -0.250, p = 0.007), BMI (Rho = -0.473, p < 0.001), WHtR (Rho = -0.563, p < 0.001), WHR (Rho = -0.499, p < 0.001), and % body fat (Rho = -0.396, p < 0.001). A negative association was determined between plasma AC and WHtR in reproductive women (B = -2.718, p = 0.026). No association resulted for those in menopausal transition, and a positive association was obtained between plasma AC and protein (B = 0.001, p = 0.024) and vitamin E (B = 0.003, p = 0.013) intakes in postmenopausal women. CONCLUSIONS the antioxidant capability (AC) in plasma was lower in reproductive women, and anthropometric parameters marking decreased physical fitness were associated with decreased AC.
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Affiliation(s)
- Alexandra Tijerina
- Faculty of Public Health and Nutrition, Autonomous University of Nuevo Leon, Monterrey 64460, Mexico (D.F.); (N.S.)
| | - Diego Fonseca
- Faculty of Public Health and Nutrition, Autonomous University of Nuevo Leon, Monterrey 64460, Mexico (D.F.); (N.S.)
| | | | - Michel Stéphane Heya
- Faculty of Public Health and Nutrition, Autonomous University of Nuevo Leon, Monterrey 64460, Mexico (D.F.); (N.S.)
| | - Nancy Martínez
- Faculty of Public Health and Nutrition, Autonomous University of Nuevo Leon, Monterrey 64460, Mexico (D.F.); (N.S.)
| | - Nydia Sánchez
- Faculty of Public Health and Nutrition, Autonomous University of Nuevo Leon, Monterrey 64460, Mexico (D.F.); (N.S.)
| | - Cristina Bouzas
- Research Group on Community Nutrition and Oxidative Stress, University of Balearic Islands–IUNICS, 07122 Palma de Mallorca, Spain
- Health Institute of the Balearic Islands (IDISBA), 07120 Palma de Mallorca, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Josep A. Tur
- Research Group on Community Nutrition and Oxidative Stress, University of Balearic Islands–IUNICS, 07122 Palma de Mallorca, Spain
- Health Institute of the Balearic Islands (IDISBA), 07120 Palma de Mallorca, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Rogelio Salas
- Faculty of Public Health and Nutrition, Autonomous University of Nuevo Leon, Monterrey 64460, Mexico (D.F.); (N.S.)
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2
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Detoni MB, Bortoleti BTDS, Tomiotto-Pellissier F, Concato VM, Gonçalves MD, Silva TF, Ortiz LSF, Gomilde AC, Rodrigues ACJ, de Matos RLN, Bracarense APFRL, de Matos AMRN, Simão ANC, Endo TH, Kobayashi RKT, Nakazato G, Costa IN, Conchon-Costa I, Oliveira FJDA, Pavanelli WR, Miranda-Sapla MM. Biogenic silver nanoparticle exhibits schistosomicidal activity in vitro and reduces the parasitic burden in experimental schistosomiasis mansoni. Microbes Infect 2023; 25:105145. [PMID: 37120010 DOI: 10.1016/j.micinf.2023.105145] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 04/01/2023] [Accepted: 04/24/2023] [Indexed: 05/01/2023]
Abstract
Schistosomiasis is a neglected tropical parasitic disease that affects millions of people, being the second most prevalent parasitic disease worldwide. The current treatment has limited effectiveness, drug-resistant strains, and is not effective in different stages of the disease. This study investigated the antischistosomal activity of biogenic silver nanoparticles (Bio-AgNp) against Schistosoma mansoni. Bio-AgNp presented direct schistosomicidal activity on newly transformed schistosomula causing plasma membrane permeabilization. In S. mansoni adult worms, reduced the viability and affected the motility, increasing oxidative stress parameters, and inducing plasma membrane permeabilization, loss of mitochondrial membrane potential, lipid bodies accumulation, and autophagic vacuoles formation. During the experimental schistosomiasis mansoni model, Bio AgNp restored body weight, reduced hepatosplenomegaly, and decrease the number of eggs and worms in feces and liver tissue. The treatment also ameliorates liver damage and reduces macrophage and neutrophil infiltrates. A reduction in count and size was evaluated in the granulomas, as well as a change to an exudative-proliferative phase, with a local increase of IFN-γ. Together our results showed that Bio-AgNp is a promising therapeutic candidate for studies of new therapeutic strategies against schistosomiasis.
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Affiliation(s)
- Mariana Barbosa Detoni
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil.
| | - Bruna Taciane da Silva Bortoleti
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil; Graduate Program in Biosciences and Biotechnology, Carlos Chagas Institute, Fiocruz, Curitiba, Paraná, Brazil
| | - Fernanda Tomiotto-Pellissier
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil; Graduate Program in Biosciences and Biotechnology, Carlos Chagas Institute, Fiocruz, Curitiba, Paraná, Brazil
| | - Virgínia Marcia Concato
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Manoela Daiele Gonçalves
- Laboratory of Biotransformation and Phytochemistry, Department of Chemistry, State University of Londrina, Londrina, Paraná, Brazil
| | - Taylon Felipe Silva
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Luryan Silvério Fidélis Ortiz
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Amanda Caroliny Gomilde
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Ana Carolina Jacob Rodrigues
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Ricardo Luís Nascimento de Matos
- Laboratory of Animal Pathology, Department of Preventive Veterinary Medicine, State University of Londrina, Londrina, Paraná, Brazil
| | | | | | - Andréa Name Colado Simão
- Clinical Analysis and Toxicology, Department of Pathology, State University of Londrina, Londrina, Paraná, Brazil
| | - Thiago Hideo Endo
- Laboratory of Basic and Applied Bacteriology, Department of Microbiology, State University of Londrina, Londrina, Paraná, Brazil
| | | | - Gerson Nakazato
- Laboratory of Basic and Applied Bacteriology, Department of Microbiology, State University of Londrina, Londrina, Paraná, Brazil
| | - Idessania Nazareth Costa
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Ivete Conchon-Costa
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | | | - Wander Rogério Pavanelli
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Milena Menegazzo Miranda-Sapla
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil; Postgraduate Program in Pharmaceutical Science, University of Vale Do Itajaí, Santa Catarina, Brazil.
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3
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Impact of Menopause and the Menstrual Cycle on Oxidative Stress in Japanese Women. J Clin Med 2023; 12:jcm12030829. [PMID: 36769477 PMCID: PMC9918227 DOI: 10.3390/jcm12030829] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023] Open
Abstract
Although estrogen possesses both pro- and anti-oxidant properties, its overall role in oxidative stress among women remains unclear, particularly since the influence of exogenously administered estrogen during previous studies differed by dose, administration route, and estrogen type. The aim of this study was to elucidate the effects of endogenous estrogen on oxidative stress in women. Thus, we performed a non-interventional observational study of healthy postmenopausal (n = 71) and premenopausal (n = 72) female volunteers. Serum levels of derivatives of reactive oxygen metabolites (d-ROMs, which are collectively a marker of oxidative stress), as well as the biological antioxidant potential (BAP, an indicator of antioxidant capacity), were compared between (1) pre- versus post-menopausal women, and (2) premenopausal women in early follicular versus mid-luteal phases of their menstrual cycles. We found that serum d-ROMs and BAP values in postmenopausal women were significantly higher than those in premenopausal women. Moreover, the d-ROM levels were significantly correlated with serum copper concentrations. However, neither d-ROMs nor BAP values were significantly affected by the menstrual cycle phase, although changes in d-ROMs between the follicular and luteal phases were significantly correlated with copper concentration shifts. These data indicate that postmenopausal hypoestrogenism is associated with elevated oxidative stress, although regular fluctuations of estrogen levels during the menstrual cycle do not influence oxidative stress.
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Brichagina AS, Semenova NV, Kolesnikova LI. Age-Related Menopause and Carbonyl Stress. ADVANCES IN GERONTOLOGY 2022. [DOI: 10.1134/s2079057022040051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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5
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Boni R, Cecchini Gualandi S. Relationship between Oxidative Stress and Endometritis: Exploiting Knowledge Gained in Mares and Cows. Animals (Basel) 2022; 12:2403. [PMID: 36139263 PMCID: PMC9495037 DOI: 10.3390/ani12182403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/06/2022] [Accepted: 09/12/2022] [Indexed: 11/19/2022] Open
Abstract
The etiopathogenesis of endometritis in mares and cows differs significantly; this could depend on a different sensitivity and reactivity of the uterus but also on endocrine and rearing factors and different stress sources. In both species, microorganisms and the immune system play a primary role in the generation of this pathology. Microbiological and cytological tests support clinical examination and significantly improve diagnostic accuracy. For both species, during the inflammation, immune cells invade the endometrium and release bioactive substances to contrast primary or secondary pathogen contamination. These molecules are traceable to cytokines, chemokines, and prostaglandins as well as reactive oxygen and nitrogen species (ROS and RNS), collectively known as RONS. The RONS-mediated oxidation causes morphological and functional alterations of macromolecules, such as proteins, lipids, and nucleic acids, with the consequent production of derivative compounds capable of playing harmful effects. These bioactive molecules and by-products, which have recently become increasingly popular as diagnostic biomarkers, enter the bloodstream, influencing the functionality of organs and tissues. This review has collected and compared information obtained in cows and mares related to the diagnostic potential of these biomarkers that are assessed by using different methods in samples from either blood plasma or uterine fluid.
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Affiliation(s)
- Raffaele Boni
- Department of Sciences, University of Basilicata, Campus Macchia Romana, 85100 Potenza, Italy
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Vázquez-Lorente H, Herrera-Quintana L, Molina-López J, Gamarra-Morales Y, López-González B, Planells E. Relationship between Body Composition and Biochemical Parameters with Antioxidant Status in a Healthy Cohort of Postmenopausal Women. Metabolites 2022; 12:metabo12080746. [PMID: 36005618 PMCID: PMC9412505 DOI: 10.3390/metabo12080746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/11/2022] [Accepted: 08/12/2022] [Indexed: 11/24/2022] Open
Abstract
An adequate prooxidant–antioxidant balance—which may be influenced by body composition and biochemical status—is essential to maintain human health, especially in circumstances under which the antioxidant defense decreases, such as menopause. The present study aimed to examine the relationship between body composition and biochemical parameters with antioxidant status in a healthy cohort of postmenopausal women. This cross-sectional study was carried out in a cohort of 78 postmenopausal women aged 44–76 years. The body composition profile was assessed through bioelectrical impedance. The determination of the total antioxidant capacity and superoxide dismutase activity was conducted by the colorimetric method, and glutathione peroxidase activity was determined by the enzymatic immunological method. The vitamin D levels were measured by ultra-performance liquid chromatography–tandem mass spectrometry. The mineral status was assessed through flame atomic absorption spectrophotometry. The rest of the biochemical parameters were assessed through an immunoassay. The total antioxidant capacity and antioxidant gap were negatively influenced by body composition (all p ≤ 0.049) and positively related to protein metabolism parameters (all p ≤ 0.048), whereas circulating levels of different micronutrients (all p ≤ 0.048) and enzymes (all p ≤ 0.047) appeared to play an important role in the glutathione peroxidase and superoxide dismutase activities. In conclusion, the menopause-related antioxidant status changes may be influenced by key body composition and biochemical profiles. To confirm this statement, further trials aiming to evaluate the body composition and biochemical intervention-induced changes upon antioxidant defense are needed.
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Affiliation(s)
- Héctor Vázquez-Lorente
- Institute of Nutrition and Food Technology “José Mataix”, University of Granada, 18071 Granada, Spain
| | - Lourdes Herrera-Quintana
- Institute of Nutrition and Food Technology “José Mataix”, University of Granada, 18071 Granada, Spain
- Correspondence: (L.H.-Q.); (J.M.-L.)
| | - Jorge Molina-López
- Faculty of Education, Psychology and Sports Sciences, University of Huelva, Avd. De las Fuerzas Armadas S/N, 21007 Huelva, Spain
- Correspondence: (L.H.-Q.); (J.M.-L.)
| | - Yenifer Gamarra-Morales
- Institute of Nutrition and Food Technology “José Mataix”, University of Granada, 18071 Granada, Spain
| | - Beatriz López-González
- Institute of Nutrition and Food Technology “José Mataix”, University of Granada, 18071 Granada, Spain
| | - Elena Planells
- Institute of Nutrition and Food Technology “José Mataix”, University of Granada, 18071 Granada, Spain
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7
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Lopes NMD, Lens HHM, da Silva Brito WA, Bianchi JK, Marinello PC, Cecchini R, Armani A, Cecchini AL. Role of papillary thyroid carcinoma patients with Hashimoto thyroiditis: evaluation of oxidative stress and inflammatory markers. CLINICAL & TRANSLATIONAL ONCOLOGY : OFFICIAL PUBLICATION OF THE FEDERATION OF SPANISH ONCOLOGY SOCIETIES AND OF THE NATIONAL CANCER INSTITUTE OF MEXICO 2022; 24:2366-2378. [PMID: 35902455 DOI: 10.1007/s12094-022-02891-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 07/12/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE Papillary thyroid carcinoma (PTC) is the most frequent subtype of thyroid cancer; Hashimoto's thyroiditis (HT), autoimmune disease, commonly affects the thyroid gland; there is possibly a correlation between both, but the exact mechanisms that involve this relationship are still under debate. Since oxidative stress (OS) and the inflammatory environment participate in the development of several types of cancer, the objective of the present study was to establish the microenvironment and systemic participation of OS and inflammatory markers in patients with PTC and HT. METHODS Blood and tissue samples were collected from 115 patients: BENIGN (n = 63); PTC (n = 27); HT (n = 15) and PTC + HT (n = 10), and sixty-three were samples from healthy individuals (control group). RESULTS Superoxide dismutase, Catalase, reduced Glutathione, markers of lipid peroxidation and inflammation were evaluated in blood. Immunohistochemistry was performed on 3-nitrotyrosine, 4-hydroxynonenal, Ki-67 and VEGF. The results indicate that antioxidant enzymes were more active in groups with thyroid disorders compared to control, while the concentration of Reduced glutathione was reduced in BENIGN and PTC groups. When PTC and PTC + HT groups were analyzed, no significant differences were found in relation to the antioxidant defense and inflammatory markers. The ability to contain the induced lipid peroxidation was lower and a high level of malondialdehyde was observed in the PTC group. All immunohistochemical markers had higher scores in the PTC group compared to PTC + HT. CONCLUSION There was a more pronounced presence of OS and a greater activity of cell proliferation and angiogenesis markers in PTC than in PTC + HT group.
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Affiliation(s)
- Natália Medeiros Dias Lopes
- Laboratory of Molecular Pathology, Universidade Estadual de Londrina, Celso Garcia Cid, PR445, Km 380 University Campus, Londrina, Paraná, CEP 86057-970, Brazil
| | - Hannah Hamada Mendonça Lens
- Laboratory of Molecular Pathology, Universidade Estadual de Londrina, Celso Garcia Cid, PR445, Km 380 University Campus, Londrina, Paraná, CEP 86057-970, Brazil
| | - Walison Augusto da Silva Brito
- Laboratory of Molecular Pathology, Universidade Estadual de Londrina, Celso Garcia Cid, PR445, Km 380 University Campus, Londrina, Paraná, CEP 86057-970, Brazil.,Leibniz-Institute for Plasma Science and Technology (INP Greifswald), ZIK Plasmatis "Plasma Redox Effects", Greifswald, Germany
| | - Julya Karen Bianchi
- Laboratory of Molecular Pathology, Universidade Estadual de Londrina, Celso Garcia Cid, PR445, Km 380 University Campus, Londrina, Paraná, CEP 86057-970, Brazil
| | - Poliana Camila Marinello
- Laboratory of Molecular Pathology, Universidade Estadual de Londrina, Celso Garcia Cid, PR445, Km 380 University Campus, Londrina, Paraná, CEP 86057-970, Brazil.,Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Rubens Cecchini
- Laboratory of Physiopathology and Free Radicals, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - André Armani
- Department of Surgery, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Alessandra Lourenço Cecchini
- Laboratory of Molecular Pathology, Universidade Estadual de Londrina, Celso Garcia Cid, PR445, Km 380 University Campus, Londrina, Paraná, CEP 86057-970, Brazil.
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8
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Heravi AS, Michos ED, Zhao D, Ambale-Venkatesh B, Doria De Vasconcellos H, Lloyd-Jones D, Schreiner PJ, Reis JP, Wu C, Lewis CE, Shikany JM, Sidney S, Guallar E, Ndumele CE, Ouyang P, Hoogeveen RC, Lima JAC, Vaidya D, Post WS. Oxidative Stress and Menopausal Status: The Coronary Artery Risk Development in Young Adults Cohort Study. J Womens Health (Larchmt) 2022; 31:1057-1065. [PMID: 35675673 DOI: 10.1089/jwh.2021.0248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: Low endogenous estrogen concentrations after menopause may contribute to higher oxidative stress and greater cardiovascular disease (CVD) risk. However, differences in oxidative stress between similarly aged premenopausal and postmenopausal women are not well-characterized on a population level. We hypothesized that urinary isoprostane concentrations, a standard measure of systemic oxidative stress, are higher in women who have undergone menopause compared to premenopausal women. Methods and Results: We examined differences in urinary 8-isoprostane (iPF2α-III) and 2,3-dinor-8-isoprostane (iPF2α-III-M) indexed to urinary creatinine between 279 postmenopausal and 196 premenopausal women in the Coronary Artery Risk Development in Young Adults (CARDIA) study, using linear regression with progressive adjustment for sociodemographic factors and traditional CVD risk factors. Unadjusted iPF2α-III-M concentrations were higher among postmenopausal compared to premenopausal women (Median [25th, 75th percentile]: 1762 [1178, 2974] vs. 1535 [1067, 2462] ng/g creatinine; p = 0.01). Menopause was associated with 25.5% higher iPF2α-III-M (95% confidence interval [6.5-47.9]) adjusted for age, race, college education, and field center. Further adjustments for tobacco use (21.2% [2.9-42.6]) and then CVD risk factors (18.8% [0.1-39.6]) led to additional partial attenuation. Menopause was associated with higher iPF2α-III in Black but not White women. Conclusions: We conclude that postmenopausal women had higher oxidative stress, which may contribute to greater CVD risk. ClinicalTrials.gov Identifier: NCT00005130.
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Affiliation(s)
- Amir S Heravi
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Erin D Michos
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Di Zhao
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Bharath Ambale-Venkatesh
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Donald Lloyd-Jones
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Pamela J Schreiner
- Division of Epidemiology and Community Health, University of Minnesota School of Public Health, Minneapolis, Minnesota, USA
| | - Jared P Reis
- National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Colin Wu
- National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Cora E Lewis
- Division of Preventive Medicine, University of Alabama at Birmingham School of Public Health, Birmingham, Alabama, USA
| | - James M Shikany
- Division of Preventive Medicine, University of Alabama at Birmingham School of Public Health, Birmingham, Alabama, USA
| | - Stephen Sidney
- Division of Research, Kaiser-Permanente, Oakland, California, USA
| | - Eliseo Guallar
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Chiadi E Ndumele
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Pamela Ouyang
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Ron C Hoogeveen
- Division of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Joao A C Lima
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Dhananjay Vaidya
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Wendy S Post
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
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9
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Montoya-Estrada A, Veruete-Bedolla DB, Romo-Yañez J, Ortiz-Luna GF, Arellano-Eguiluz A, Najéra N, Ceballos G, Nieto-Velázquez NG, Ramos-Valencia MA, Cariño-Mancilla N, Valdez-Rodríguez NL, Flores-Pliego A, Espejel-Nuñez A, Reyes-Muñoz E. Markers of oxidative stress in postmenopausal women with metabolic syndrome. J OBSTET GYNAECOL 2022; 42:2387-2392. [PMID: 35648871 DOI: 10.1080/01443615.2022.2062223] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
During the postmenopausal period, there are metabolic alterations that predispose individuals to metabolic syndrome (MS), oxidative stress (OS), and the risk of developing cardiovascular diseases. We aimed to compare the concentrations of OS markers in postmenopausal women with and without MS. Malondialdehyde, carbonyl groups, and total antioxidant capacity (TAC) were quantified. We conducted a cross-sectional study: Group 1 (n = 42) included women without MS, and Group 2 (n = 58) comprised women with MS. Participants' age was similar between groups. Glucose, insulin, the homeostasis model assessment of insulin resistance, triglycerides, uric acid, and body mass index were significantly lower in postmenopausal women without MS. OS markers were significantly lower in Group 1 vs. Group 2: malondialdehyde, 31.32 ± 14.93 vs. 40.27 ± 17.62 pmol MDA/mg dry weight (p = .01); protein carbonylation, 6325 ± 1551 vs. 7163 ± 1029 pmol PC/mg protein (p = .0003); and TAC, 1497 ± 297.3 vs. 1619 ± 278.8 pmol Trolox equivalent/mg protein (p = .041). OS markers were significantly higher in postmenopausal women with MS. Impact statementWhat is already known on this subject? Oxidative stress has been implicated in numerous disease processes; however, information on the relationship between oxidative stress and metabolic syndrome among postmenopausal women remains limited.What do the results of this study add? Our results indicate that in postmenopausal Mexican women, oxidative stress markers were significantly lower in those without metabolic syndrome, whereas total antioxidant capacity was higher in those with metabolic syndrome, which could be explained as an antioxidant defense mechanism capable of neutralising excess oxidative damage markers.What are the implications of these findings for clinical practice and/or further research? This study is of interest to a broad audience because it compares the concentrations of oxidative stress markers in postmenopausal women with and without metabolic syndrome. Our study could support intervention with supplements or foods rich in antioxidants as lifestyle modifications in postmenopausal women with metabolic syndrome.
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Affiliation(s)
- Araceli Montoya-Estrada
- Coordination of Gynecological and Perinatal Endocrinology, National Institute of Perinatology, Ministry of Health, Mexico City, México
| | - Daniela B Veruete-Bedolla
- Coordination of Gynecological and Perinatal Endocrinology, National Institute of Perinatology, Ministry of Health, Mexico City, México
| | - José Romo-Yañez
- Coordination of Gynecological and Perinatal Endocrinology, National Institute of Perinatology, Ministry of Health, Mexico City, México
| | - Guillermo F Ortiz-Luna
- Peri and Postmenopause Clinic, National Institute of Perinatology, Ministry of Health, Mexico City, México
| | - Arturo Arellano-Eguiluz
- Peri and Postmenopause Clinic, National Institute of Perinatology, Ministry of Health, Mexico City, México
| | - Nayelli Najéra
- Postgraduate and Research Section, Higher School of Medicine, National Polytechnic Institute, Mexico City, México
| | - Guillermo Ceballos
- Postgraduate and Research Section, Higher School of Medicine, National Polytechnic Institute, Mexico City, México
| | | | - Ma Abel Ramos-Valencia
- Central Laboratory, National Institute of Perinatology, Ministry of Health, Mexico City, México
| | - Norma Cariño-Mancilla
- Central Laboratory, National Institute of Perinatology, Ministry of Health, Mexico City, México
| | | | - Arturo Flores-Pliego
- Department of Immunobiochemistry, National Institute of Perinatology, Ministry of Health, México City, Mexico
| | - Aurora Espejel-Nuñez
- Department of Immunobiochemistry, National Institute of Perinatology, Ministry of Health, México City, Mexico
| | - Enrique Reyes-Muñoz
- Coordination of Gynecological and Perinatal Endocrinology, National Institute of Perinatology, Ministry of Health, Mexico City, México
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10
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Ghimire S, Zhang X, Zhang J, Wu C. Use of Chicken Embryo Model in Toxicity Studies of Endocrine-Disrupting Chemicals and Nanoparticles. Chem Res Toxicol 2022; 35:550-568. [PMID: 35286071 DOI: 10.1021/acs.chemrestox.1c00399] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Lab animals such as mice and rats are widely used in toxicity research of food additive and pharmaceutics, despite the well-recognized research limitation such as the inability to simulate human neurological diseases, faster absorption of chemicals, big variations among species, and high cost when using a large number of animals. The Society of Toxicology's guidance now focuses on minimizing discomfort and distress of lab animals, finding alternative ways to reduce animal number, replacing animals with in vitro models, and complying to the animal welfare policies. The chicken embryonic model can be a better alternative to mice and rats because of its abundant availability and cost-effectiveness. It can be studied in both laboratory and natural environment, with easy manipulation in ovo or in vivo. The objective of this review paper is to evaluate the use of chicken embryonic model in toxicity evaluation for endocrine-disrupting chemicals (EDCs) and nanoparticles (NPs) by different end points to determine more comprehensive toxic responses. The end points include chicken embryonic mortality and hatchability, developmental malformation analysis, hormonal imbalance, physiological changes in endocrine organs, and antiangiogenesis. Major research methodologies using chicken embryos are also summarized to demonstrate their versatile practice and valuable application in modern toxicity evaluation of EDCs and NPs.
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Affiliation(s)
- Shweta Ghimire
- University of Delaware, Department of Animal and Food sciences, Newark, Delaware 19716, United States
| | - Xinwen Zhang
- University of Delaware, Department of Animal and Food sciences, Newark, Delaware 19716, United States
| | - Jinglin Zhang
- University of Delaware, Department of Animal and Food sciences, Newark, Delaware 19716, United States
| | - Changqing Wu
- University of Delaware, Department of Animal and Food sciences, Newark, Delaware 19716, United States
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11
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Caffeine improves the cytotoxic effect of dacarbazine on B16F10 murine melanoma cells. Bioorg Chem 2021; 120:105576. [PMID: 34979447 DOI: 10.1016/j.bioorg.2021.105576] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/14/2021] [Accepted: 12/17/2021] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Caffeine has been studied as a potentiating agent in chemotherapy against some types of cancer, but there are few reports on its effects on melanoma. This study aimed to investigate caffeine's ability to enhance the effects of dacarbazine in vitro. MATERIALS AND METHODS Murine melanoma B16F10 cells were treated 24 h with 1-40 µM caffeine. We evaluated cytotoxicity, DNA damage, apoptosis, and oxidative lesion induced by dacarbazine associated with caffeine. The metabolization of these drugs, as well as immunocytochemical labeling, were also evaluated. CONCLUSIONS The pre-treatment with caffeine showed to be more effective. Caffeine potentiated dacarbazine-induced cytotoxic effects by increasing dacarbazine biotransformation, apoptosis, DNA damage, and malondialdehyde levels; also, caffeine reduced Ki67 and ERK1/2 nuclear labeling and increased p53 labeling in B16F10 cells. In our experiment, caffeine promoted modifications associated with dacarbazine metabolism by viable cells potentiating this antineoplastic drug. These promising results should be further evaluated in experimental models in vivo.
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12
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Semenova NV, Madaeva IM, Kolesnikova LI. Glutathione system activity in the blood of overweight postmenopausal women. Klin Lab Diagn 2021; 66:581-585. [PMID: 34665943 DOI: 10.51620/0869-2084-2021-66-10-581-585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
One of the important components of the antioxidant defense system is the glutathione system, the activity of which, when overweight, changes direction depending on gender and ethnicity. The results of studies involving overweight menopausal women are mixed. The study involved 61 postmenopausal women, who, after clinical and anamnestic examination, were divided into 2 groups: control (BMI = 19-24.9 kg / m2) and overweight group (BMI = 25-29.9 kg/m2). The use of hormone replacement therapy; the use of antioxidant drugs; diseases of endocrine genesis; exacerbation of chronic diseases; premature early menopause; surgical menopause was the exclusion criteria for women from the study. The lipid profile parameters with the calculation of the atherogenic coefficient; reduced and oxidized glutathione levels with the calculation of their ratio, the glutathione S-transferase and glutathione reductase activities were determined in the blood. Overweight women showed an increase in the triacylglycerols (p = 0.041) and cholesterol in very low density lipoproteins levels (p = 0.044). When assessing the glutathione system activity in women of the main group, compared with the control, an increase in the glutathione-S-transferase (p = 0.023) and glutathione reductase (p = 0.022) activities was noted, however, the reduced and oxidized glutathione levels, as well as their ratio did not differ from the control values. The results obtained indicate the activation of the glutathione system enzymatic link in response to changes in lipid status in postmenopausal women with overweight.
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Affiliation(s)
- N V Semenova
- Scientific Centre for Family Health and Human Reproduction Problems
| | - I M Madaeva
- Scientific Centre for Family Health and Human Reproduction Problems
| | - L I Kolesnikova
- Scientific Centre for Family Health and Human Reproduction Problems
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13
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Sanches LJ, Marinello PC, da Silva Brito WA, Lopes NMD, Luiz RC, Cecchini R, Cecchini AL. Metformin pretreatment reduces effect to dacarbazine and suppresses melanoma cell resistance. Cell Biol Int 2021; 46:73-82. [PMID: 34506671 DOI: 10.1002/cbin.11700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 08/24/2021] [Accepted: 09/05/2021] [Indexed: 11/11/2022]
Abstract
Oxidative stress role on metformin process of dacarbazine (DTIC) inducing resistance of B16F10 melanoma murine cells are investigated. To induce resistance to DTIC, murine melanoma cells were exposed to increasing concentrations of dacarabazine (DTIC-res group). Metformin was administered before and during the induction of resistance to DTIC (MET-DTIC). The oxidative stress parameters of the DTIC-res group showed increased levels of malondialdehyde (MDA), thiol, and reduced nuclear p53, 8-hydroxy-2'-deoxyguanosine (8-OH-DG), nuclear factor kappa B (NF-ĸB), and Nrf2. In presence of metformin in the resistant induction process to DTIC, (MET-DTIC) cells had increased antioxidant thiols, MDA, nuclear p53, 8-OH-DG, Nrf2, and reducing NF-ĸB, weakening the DTIC-resistant phenotype. The exclusive administration of metformin (MET group) also induced the cellular resistance to DTIC. The MET group presented high levels of total thiols, MDA, and reduced percentage of nuclear p53. It also presented reduced nuclear 8-OH-DG, NF-ĸB, and Nrf2 when compared with the control. Oxidative stress and the studied biomarkers seem to be part of the alterations evidenced in DTIC-resistant B16F10 cells. In addition, metformin administration is able to play a dual role according to the experimental protocol, preventing or inducing a DTIC-resistant phenotype. These findings should help future research with the aim of investigating DTIC resistance in melanoma.
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Affiliation(s)
- Larissa J Sanches
- Department of Pathological Sciences, Laboratory of Molecular Pathology, Londrina State University, UEL, Londrina, Parana, Brazil
| | - Poliana C Marinello
- Department of Pathological Sciences, Laboratory of Molecular Pathology, Londrina State University, UEL, Londrina, Parana, Brazil
| | - Walison A da Silva Brito
- Department of Pathological Sciences, Laboratory of Molecular Pathology, Londrina State University, UEL, Londrina, Parana, Brazil.,Leibniz-Institute for Plasma Science and Technology (INP Greifswald), ZIK plasmatis "Plasma Redox Effects", Greifswald, Germany
| | - Natália M D Lopes
- Department of Pathological Sciences, Laboratory of Molecular Pathology, Londrina State University, UEL, Londrina, Parana, Brazil
| | - Rodrigo C Luiz
- Department of Pathological Sciences, Laboratory of Pathophysiology and Free radicals, Londrina State University, UEL, Londrina, Parana, Brazil
| | - Rubens Cecchini
- Department of Pathological Sciences, Laboratory of Pathophysiology and Free radicals, Londrina State University, UEL, Londrina, Parana, Brazil
| | - Alessandra L Cecchini
- Department of Pathological Sciences, Laboratory of Molecular Pathology, Londrina State University, UEL, Londrina, Parana, Brazil
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Advanced Oxidation Protein Products Induce G1/G0-Phase Arrest in Ovarian Granulosa Cells via the ROS-JNK/p38 MAPK-p21 Pathway in Premature Ovarian Insufficiency. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6634718. [PMID: 34367464 PMCID: PMC8337115 DOI: 10.1155/2021/6634718] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/09/2021] [Accepted: 02/15/2021] [Indexed: 01/10/2023]
Abstract
The mechanism underlying the role of oxidative stress and advanced oxidation protein products (AOPPs) in the aetiology of premature ovarian insufficiency (POI) is poorly understood. Here, we investigated the plasma AOPP level in POI patients and the effects of AOPPs on granulosa cells both in vitro and in vivo. KGN cells were treated with different AOPP doses, and cell cycle distribution, intracellular reactive oxygen species (ROS), and protein expression levels were measured. Sprague–Dawley (SD) rats were treated daily with PBS, rat serum albumin, AOPP, or AOPP+ N-acetylcysteine (NAC) for 12 weeks to explore the effect of AOPPs on ovarian function. Plasma AOPP concentrations were significantly higher in both POI and biochemical POI patients than in controls and negatively correlated with anti-Müllerian hormone and the antral follicle count. KGN cells treated with AOPP exhibited G1/G0-phase arrest. AOPP induced G1/G0-phase arrest in KGN cells by activating the ROS-c-Jun N-terminal kinase (JNK)/p38 mitogen-activated protein kinase (MAPK)-p21 pathway. Pretreatment with NAC, SP600125, SB203580, and si-p21 blocked AOPP-induced G1/G0-phase arrest. In SD rats, AOPP treatment increased the proportion of atretic follicles, and NAC attenuated the adverse effects of AOPPs in the ovary. In conclusion, we provide mechanistic evidence that AOPPs may induce cell cycle arrest in granulosa cells via the ROS-JNK/p38 MAPK-p21 pathway and thus may be a novel biomarker of POI.
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15
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Levels of Advanced Oxidation Protein Products in Blood Plasma of Peri- and Postmenopausal Women with Insomnia. ACTA BIOMEDICA SCIENTIFICA 2021. [DOI: 10.29413/abs.2021-6.1.12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Background. Insomnia occurs in more than half of menopausal women. These disorders can contribute to a change in the prooxidant-antioxidant balance, causing the damage to structural cellular elements. Currently, there is a lack of research on this issue.Aim. To carry out a comparative analysis of the level of advanced oxidation protein products in in periand postmenopausal women with insomnia.Materials and methods. The study included peri(n = 30) and postmenopausal (n = 60) women, who were divided into 2 groups (control and main groups) in each menopausal phase after being questioned using special sleep questionnaires: Insomnia Severity Index; Epworth Sleepiness Scale; Munich Chronotype Questionnaire. The advanced oxidation protein products (AOPP) levels was determined by immunoenzymatic assay using ImmunDiagnostik (German) kits on a BioTek EL×808 (USA) analyzer. Statistical analysis was performed using Mann – Whitney test.Results. Comparative analysis of the AOPP levels in control groups, depending on the menopausal periods, showed an increase in their levels in the postmenopausal period as compared to perimenopause (p < 0.05). When comparing the AOPP levels between the control and the main group in different menopausal periods, statistically significant differences were revealed only in the perimenopausal period towards a higher content in women with insomnia (p < 0.05). The presence of insomnia in postmenopausal women is accompanied by a higher AOPP levels as compared to the perimenopausal women (p < 0.05).Conclusion. The obtained results indicate the association between insomnia and oxidative proteins modification only in the perimenopausal period.
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Patterns of cell death induced by metformin in human MCF-7 breast cancer cells. Pathol Res Pract 2020; 216:153199. [PMID: 32932214 DOI: 10.1016/j.prp.2020.153199] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/26/2020] [Accepted: 08/29/2020] [Indexed: 12/17/2022]
Abstract
The ability to evade apoptosis is an important mechanism of drug resistance and tumor progression in breast cancer. The induction of different pathways of cell death could be an important strategy to limit tumor progression. Metformin, a drug used to treat type two diabetes, has demonstrated promising results in breast cancer experiments. However, little is known about the patterns of cell death induced by this drug. We analyzed the involvement of apoptosis, necroptosis and ferroptosis in the toxicity of metformin in MCF-7 cells, evaluating proliferation, viability and oxidative stress. It was used different inhibitors of cell death: Z-VAD, a pan-caspase inhibitor that blocks apoptosis; Necrostatin-1, which inhibits RIPK1 activity and blocks necroptosis; and the iron chelator, deferoxamine, that chelates iron and prevents ferroptosis. The participation of oxidative stress was analyzed through the evaluation of total thiols, reduced glutathione (GSH) and malondialdehyde (MDA). Our results showed that metformin increased cell death, reduced proliferation, thiol and GSH and increased MDA in cells. After the association between metformin and Z-VAD or Necrostatin-1, the drug toxicity was abolished. Ferroptosis did not significantly enrolled in metformin action against MCF-7 cells. The preservation of cellular antioxidants was found in all situations that cell death was blocked. Together, these results reveals that metformin induces necroptosis and apoptosis in MCF-7 cells and oxidative stress generation play a role in these two pathways of cell death. This information could help future studies to improve strategies to breast cancer treatment.
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17
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Machado KL, Marinello PC, Silva TNX, Silva CFN, Luiz RC, Cecchini R, Cecchini AL. Oxidative Stress in Caffeine Action on the Proliferation and Death of Human Breast Cancer Cells MCF-7 and MDA-MB-231. Nutr Cancer 2020; 73:1378-1388. [PMID: 32691663 DOI: 10.1080/01635581.2020.1795693] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
To investigate the effects of caffeine on the proliferation and death of human breast cancer cells MCF-7 and MDA-MB-231. Cells were exposed to 1, 2.5, 5 and 10 mM of caffeine during 24 h, and oxidative stress (OS), cell proliferation and death, metabolic activity and DNA lesions were evaluated in the collected samples. Caffeine was cytotoxic to the cell lines analyzed, reducing cell proliferation and viability by interfering with the cellular metabolism and with lysosomal function. Although the cells presented different behaviors to treatment, in both cell lines, the drug induced OS and predominantly apoptosis. MCF-7 cells responded to OS induction (lipid peroxidation) increasing their antioxidant defenses. However, the OS generated induced oxidative DNA lesions, a finding not observed in MDA-MB-231 cells. The association of different scavengers with caffeine did not result in the recovery of cell viability, which suggests that it is not possible to attribute the caffeine induction of OS to only one of the specific ROS analyzed (superoxide anion, singlet oxygen and peroxyl radical). These results are promising and suggest that caffeine may be a good target for studies to prove its usefulness as an adjuvant in breast cancer treatment.
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Affiliation(s)
| | | | | | | | - Rodrigo Cabral Luiz
- Laboratory of Molecular Pathology, State University of Londrina, Londrina, PR, Brazil
| | - Rubens Cecchini
- Laboratory of Pathophysiology and Free Radicals, State University of Londrina, Londrina, PR, Brazil
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18
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Pasqual-Melo G, Nascimento T, Sanches LJ, Blegniski FP, Bianchi JK, Sagwal SK, Berner J, Schmidt A, Emmert S, Weltmann KD, von Woedtke T, Gandhirajan RK, Cecchini AL, Bekeschus S. Plasma Treatment Limits Cutaneous Squamous Cell Carcinoma Development In Vitro and In Vivo. Cancers (Basel) 2020; 12:E1993. [PMID: 32708225 PMCID: PMC7409328 DOI: 10.3390/cancers12071993] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/16/2020] [Accepted: 07/17/2020] [Indexed: 12/12/2022] Open
Abstract
Cutaneous squamous cell carcinoma (SCC) is the most prevalent cancer worldwide, increasing the cost of healthcare services and with a high rate of morbidity. Its etiology is linked to chronic ultraviolet (UV) exposure that leads to malignant transformation of keratinocytes. Invasive growth and metastasis are severe consequences of this process. Therapy-resistant and highly aggressive SCC is frequently fatal, exemplifying the need for novel treatment strategies. Cold physical plasma is a partially ionized gas, expelling therapeutic doses of reactive oxygen and nitrogen species that were investigated for their anticancer capacity against SCC in vitro and SCC-like lesions in vivo. Using the kINPen argon plasma jet, a selective growth-reducing action of plasma treatment was identified in two SCC cell lines in 2D and 3D cultures. In vivo, plasma treatment limited the progression of UVB-induced SSC-like skin lesions and dermal degeneration without compromising lesional or non-lesional skin. In lesional tissue, this was associated with a decrease in cell proliferation and the antioxidant transcription factor Nrf2 following plasma treatment, while catalase expression was increased. Analysis of skin adjacent to the lesions and determination of global antioxidant parameters confirmed the local but not systemic action of the plasma anticancer therapy in vivo.
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Affiliation(s)
- Gabriella Pasqual-Melo
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany; (G.P.-M.); (S.K.S.); (J.B.); (A.S.); (K.-D.W.); (T.v.W.); (R.K.J.)
| | - Thiago Nascimento
- Department of General Pathology, State University of Londrina, Rodovia Celso Garcia Cid, Londrina 86051-990, Brazil; (T.N.); (L.J.S.); (F.P.B.); (J.K.B.); (A.L.C.)
| | - Larissa Juliani Sanches
- Department of General Pathology, State University of Londrina, Rodovia Celso Garcia Cid, Londrina 86051-990, Brazil; (T.N.); (L.J.S.); (F.P.B.); (J.K.B.); (A.L.C.)
| | - Fernanda Paschoal Blegniski
- Department of General Pathology, State University of Londrina, Rodovia Celso Garcia Cid, Londrina 86051-990, Brazil; (T.N.); (L.J.S.); (F.P.B.); (J.K.B.); (A.L.C.)
| | - Julya Karen Bianchi
- Department of General Pathology, State University of Londrina, Rodovia Celso Garcia Cid, Londrina 86051-990, Brazil; (T.N.); (L.J.S.); (F.P.B.); (J.K.B.); (A.L.C.)
| | - Sanjeev Kumar Sagwal
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany; (G.P.-M.); (S.K.S.); (J.B.); (A.S.); (K.-D.W.); (T.v.W.); (R.K.J.)
| | - Julia Berner
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany; (G.P.-M.); (S.K.S.); (J.B.); (A.S.); (K.-D.W.); (T.v.W.); (R.K.J.)
- Clinic for Oral, Maxillofacial, and Plastic Surgery, Greifswald University Medical Center, Sauerbruchstr., 17475 Greifswald, Germany
| | - Anke Schmidt
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany; (G.P.-M.); (S.K.S.); (J.B.); (A.S.); (K.-D.W.); (T.v.W.); (R.K.J.)
| | - Steffen Emmert
- Clinic for Dermatology and Venereology, Rostock University Medical Center, Strempelstr. 13, 18057 Rostock, Germany;
| | - Klaus-Dieter Weltmann
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany; (G.P.-M.); (S.K.S.); (J.B.); (A.S.); (K.-D.W.); (T.v.W.); (R.K.J.)
| | - Thomas von Woedtke
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany; (G.P.-M.); (S.K.S.); (J.B.); (A.S.); (K.-D.W.); (T.v.W.); (R.K.J.)
- Institute for Hygiene and Environmental Medicine, Greifswald University Medical Center, Walther-Rathenau-Str. 48, 17489 Greifswald, Germany
| | - Rajesh Kumar Gandhirajan
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany; (G.P.-M.); (S.K.S.); (J.B.); (A.S.); (K.-D.W.); (T.v.W.); (R.K.J.)
| | - Alessandra Lourenço Cecchini
- Department of General Pathology, State University of Londrina, Rodovia Celso Garcia Cid, Londrina 86051-990, Brazil; (T.N.); (L.J.S.); (F.P.B.); (J.K.B.); (A.L.C.)
| | - Sander Bekeschus
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany; (G.P.-M.); (S.K.S.); (J.B.); (A.S.); (K.-D.W.); (T.v.W.); (R.K.J.)
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Parameters of Oxidative Stress in Reproductive and Postmenopausal Mexican Women. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17051492. [PMID: 32110899 PMCID: PMC7084784 DOI: 10.3390/ijerph17051492] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/13/2020] [Accepted: 02/23/2020] [Indexed: 12/13/2022]
Abstract
In the reproductive phase, women experience cyclic changes in the ovaries and uterus, and hormones regulate these changes. Menopause is the permanent loss of menstruation after 12 months of amenorrhea. Menopause is also linked to a decrease in estrogen production, causing an imbalance in oxidative stress. We aimed to compare the three stages of lipid peroxidation, protein oxidative damage, and total antioxidant capacity (TAC) between reproductive-aged women (RAW) and postmenopausal women (PMW) in Mexico. We carried out a cross-sectional study with 84 women from Mexico City, including 40 RAW and 44 PMW. To determine the oxidative stress of the participants, several markers of lipid damage were measured: dienes conjugates (DC), lipohydroperoxides (LHP), and malondialdehyde (MDA); exposure to protein carbonyl is indicative of oxidative modified proteins, and TAC is indicative of the antioxidant defense system. Biomarkers of oxidative stress were significantly lower in RAW vs. PMW. DC were 1.31 ± 0.65 vs. 1.7 ± 0.51 pmol DC/mg dry weight (p = 0.0032); LHP were 4.95 ± 2.20 vs. 11.30 ± 4.24 pmol LHP/mg dry weight (p < 0.0001); malondialdehyde was 20.37 ± 8.20 vs. 26.10 ± 8.71 pmol MDA/mg dry weight (p = 0.0030); exposure of protein carbonyl was 3954 ± 884 vs. 4552 ± 1445 pmol PC/mg protein (p = 0.042); and TAC was 7244 ± 1512 vs. 8099 ± 1931 pmol Trolox equivalent/mg protein (p = 0.027). PMW display significantly higher oxidative stress markers compared to RAW; likewise, PMW show a higher TAC.
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Yin J, Jiang J, Wang H, Lu G. Protective Effects of Specneuzhenide on Renal Injury in Rats with Diabetic Nephropathy. Open Med (Wars) 2019; 14:740-747. [PMID: 31637305 PMCID: PMC6778394 DOI: 10.1515/med-2019-0085] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 08/01/2019] [Indexed: 02/06/2023] Open
Abstract
Background We aim to investigate the protective effects and potential mechanisms in specneuzhenide (SPE) on renal injury in rats with diabetic nephropathy (DN). Results SPE could inhibit the decrease of body weight compared with the model group (P<0.05), and trigger improvement in the renal index (P<0.05). High dose and low dose SPE could trigger a significant decrease in serum IL1β, IL-6 and TNF-α compared with the model group (P<0.05). SPE could attenuate the glomerular lesions in DN rats. SPE induced up-regulation of podocin and CD2AP (P<0.05). Conclusion SPE showed protective effects on renal injury through attenuating the pathological injury and urine protein. This process may be closely related to the modulation of CD2AP and podocin expression.
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Affiliation(s)
- Jiangning Yin
- Department of Emergency, Affiliated Hospital of Jiangsu University, Zhenjiang 212000, China
| | - Jun Jiang
- Traditional Chinese Medicine and Pharmacy Department, School of Pharmacy Jiang Su University, Jiang Su 212013, China
| | - Huajun Wang
- Pharmaceutical Department, Affiliated Hospital of Jiangsu University, Zhenjiang 212000, China
| | - Guoyuan Lu
- Urology Department,No. 188, Shizi Street, Urology Department, The First Affiliated Hospital of Soochow University, Suzhou 213006, China
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Marinello PC, Cella P, Testa M, Guirro P, Brito W, Borges F, Cecchini R, Cecchini A, Duarte J, Deminice R. Creatine supplementation exacerbates ethanol-induced hepatic damage in mice. Nutrition 2019; 66:122-130. [DOI: 10.1016/j.nut.2019.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 05/02/2019] [Accepted: 05/26/2019] [Indexed: 02/08/2023]
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Label-Free Proteomics Revealed Oxidative Stress and Inflammation as Factors That Enhance Chemoresistance in Luminal Breast Cancer. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:5357649. [PMID: 31485295 PMCID: PMC6702830 DOI: 10.1155/2019/5357649] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 06/22/2019] [Accepted: 07/01/2019] [Indexed: 12/29/2022]
Abstract
Breast cancer is the leading cause of cancer-associated death among women worldwide. Its high mortality rate is related to resistance towards chemotherapies, which is one of the major challenges of breast cancer research. In this study, we used label-free mass spectrometry- (MS-) based proteomics to investigate the differences between circulating proteins in the plasma of patients with chemoresponsive and chemoresistant luminal A breast cancer. MS analysis revealed 205 differentially expressed proteins. Furthermore, we used in silico tools to build protein-protein interaction networks. Most of the upregulated proteins in the chemoresistant group were closely related and tightly linked. The predominant networks were related to oxidative stress, the inflammatory response, and the complement cascade. Through this analysis, we identified inflammation and oxidative stress as central processes of breast cancer chemoresistance. Furthermore, we confirmed our hypothesis by evaluating oxidative stress and performing cytokine profiling in our cohort. The connections among oxidative stress, inflammation, and the complement system described in our study seem to indicate a pivotal axis in breast cancer chemoresistance. Hence, these findings will have significant clinical implications for improving therapies to bypass breast cancer chemoresistance in the future.
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Marinho PM, Salomon TB, Andrade AS, Behling CS, Putti JS, Benfato MS, Hackenhaar FS. The effect of n-3 long-chain polyunsaturated fatty acids and lipoic acid on the heart in the ovariectomized rat model of menopause. Free Radic Res 2019; 53:669-679. [PMID: 31106614 DOI: 10.1080/10715762.2019.1620938] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Menopause occurs as consequence of ovarian senescence that leads to a drop of oestrogen hormone. The decreased oestrogen levels combined with the impairment of the redox system may contribute to the increased risk of postmenopausal cardiovascular disease. Supplementation with antioxidants may be an alternative to reduce cardiovascular risk. The study evaluated the effect of dietary supplementation with docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA), and α-lipoic acid (LA) for a period of 16 weeks on oxidative stress biomarkers in the hearts of ovariectomized 3-month-old rats. Ovariectomy did not increase the level of the damage markers malondialdehyde and carbonyl, and both were decreased by LA supplementation. Ovariectomy increased the levels of the endogenous antioxidants glutathione, vitamin C and H2O2 consumption, after restoration by DHA, EPA, and LA supplementation. Vitamin E, glutathione peroxidase, glutathione-S-transferase, and superoxide dismutase are not altered by ovariectomy. Lipid and protein damage are not increased after ovariectomy and a portion of the endogenous antioxidants concomitantly increased, suggesting that hearts may be protected by these antioxidants. DHA, EPA, and LA restored these endogenous antioxidants, showing that all evaluated supplements are effective in modulating the antioxidant redox system in the heart. LA showed additional effect on redox markers, decreasing lipid and protein damage markers.
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Affiliation(s)
- Priscila M Marinho
- a Department of Biophysics, Postgraduate Programme in Cellular and Molecular Biology , Federal University of Rio Grande do Sul , Porto Alegre , Brazil
| | - Tiago B Salomon
- a Department of Biophysics, Postgraduate Programme in Cellular and Molecular Biology , Federal University of Rio Grande do Sul , Porto Alegre , Brazil
| | - Alexey S Andrade
- a Department of Biophysics, Postgraduate Programme in Cellular and Molecular Biology , Federal University of Rio Grande do Sul , Porto Alegre , Brazil
| | - Camile S Behling
- a Department of Biophysics, Postgraduate Programme in Cellular and Molecular Biology , Federal University of Rio Grande do Sul , Porto Alegre , Brazil
| | - Jordana S Putti
- a Department of Biophysics, Postgraduate Programme in Cellular and Molecular Biology , Federal University of Rio Grande do Sul , Porto Alegre , Brazil
| | - Mara S Benfato
- a Department of Biophysics, Postgraduate Programme in Cellular and Molecular Biology , Federal University of Rio Grande do Sul , Porto Alegre , Brazil
| | - Fernanda S Hackenhaar
- a Department of Biophysics, Postgraduate Programme in Cellular and Molecular Biology , Federal University of Rio Grande do Sul , Porto Alegre , Brazil
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Carrara IM, Melo GP, Bernardes SS, Neto FS, Ramalho LNZ, Marinello PC, Luiz RC, Cecchini R, Cecchini AL. Looking beyond the skin: Cutaneous and systemic oxidative stress in UVB-induced squamous cell carcinoma in hairless mice. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2019; 195:17-26. [PMID: 31035030 DOI: 10.1016/j.jphotobiol.2019.04.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 04/12/2019] [Accepted: 04/15/2019] [Indexed: 12/25/2022]
Abstract
Cumulative ultraviolet (UV) exposure is associated with squamous skin cell carcinoma. UV radiation induces oxidative modifications in biomolecules of the skin leading to photocarcinogenesis. Indeed, the cyclobutene pyrimidine dimers and other dimers formed by photoaddition between carbon-carbon bonds also have an important role in the initiation process. However, information on the systemic redox status during these processes is scarce. Thus, we investigated the systemic redox profile in UVB-induced squamous cell carcinoma in mice. Female hairless mice were exposed to UVB radiation (cumulative dose = 17.1 J/cm2). The dorsal skin of these mice developed actinic keratosis (AK) and squamous cell carcinoma (SCC) and presented increased levels of oxidative and nitrosative stress biomarkers (4-hydroxy-2-nonenal and 3-nitrotyrosine), and decreased antioxidant defenses. Systemically, we observed the consumption of plasmatic antioxidant defenses and increased levels of advanced oxidized protein products (AOPP), an oxidative stress product derived from systemic inflammatory response. Taken together, our results indicate that UVB chronic irradiation leads not only to adjacent and tumoral oxidative stress in the skin, but it systemically is reflected through the blood. These new findings clarify some aspects of the pathogenesis of SCC and should assist in formulating better chemoprevention strategies, while avoiding additional primary SCC development and metastasis.
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Affiliation(s)
- Iriana Moratto Carrara
- Laboratory of Molecular Pathology, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil; Laboratory of Pathophysiology and Free Radicals, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil
| | - Gabriella Pasqual Melo
- Laboratory of Molecular Pathology, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil; Laboratory of Pathophysiology and Free Radicals, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil
| | - Sara Santos Bernardes
- Laboratory of Molecular Pathology, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil; Laboratory of Healthy Sciences Research, Federal University of Grande Dourados (UFGD), Dourados, Mato Grosso do Sul, Brazil, UFGD, R. João Rosa Góes, 1761 - Vila Progresso, Dourados, MS, 79825-070, Brazil.
| | - Fernando Souza Neto
- Laboratory of Molecular Pathology, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil; Laboratory of Pathophysiology and Free Radicals, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil
| | - Leandra Naira Zambelli Ramalho
- Department of Pathology, Ribeirão Preto Medical School (FMRP), University of São Paulo (USP), FMRP, Av. Bandeirantes, 3900 - Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil.
| | - Poliana Camila Marinello
- Laboratory of Molecular Pathology, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil
| | - Rodrigo Cabral Luiz
- Laboratory of Molecular Pathology, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil
| | - Rubens Cecchini
- Laboratory of Pathophysiology and Free Radicals, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil
| | - Alessandra Lourenço Cecchini
- Laboratory of Molecular Pathology, Londrina State University (UEL), Londrina, Paraná, Brazil, UEL, Rod. Celso Garcia Cid, PR-445, km 380, 86051-990 Londrina, Paraná, Brazil.
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Approaches and Methods to Measure Oxidative Stress in Clinical Samples: Research Applications in the Cancer Field. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:1279250. [PMID: 30992736 PMCID: PMC6434272 DOI: 10.1155/2019/1279250] [Citation(s) in RCA: 199] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 01/31/2019] [Indexed: 12/24/2022]
Abstract
Reactive oxygen species (ROS) are common by-products of normal aerobic cellular metabolism and play important physiological roles in intracellular cell signaling and homeostasis. The human body is equipped with antioxidant systems to regulate the levels of these free radicals and maintain proper physiological function. However, a condition known as oxidative stress (OS) occurs, when ROS overwhelm the body's ability to readily detoxify them. Excessive amounts of free radicals generated under OS conditions cause oxidative damage to proteins, lipids, and nucleic acids, severely compromising cell health and contributing to disease development, including cancer. Biomarkers of OS can therefore be exploited as important tools in the assessment of disease status in humans. In the present review, we discuss different approaches used for the evaluation of OS in clinical samples. The described methods are limited in their ability to reflect on OS only partially, revealing the need of more integrative approaches examining both pro- and antioxidant reactions with higher sensitivity to physiological/pathological alternations. We also provide an overview of recent findings of OS in patients with different types of cancer. Identification of OS biomarkers in clinical samples of cancer patients and defining their roles in carcinogenesis hold great promise in promoting the development of targeted therapeutic approaches and diagnostic strategies assessing disease status. However, considerable data variability across laboratories makes it difficult to draw general conclusions on the significance of these OS biomarkers. To our knowledge, no adequate comparison has yet been performed between different biomarkers and the methodologies used to measure them, making it difficult to conduct a meta-analysis of findings from different groups. A critical evaluation and adaptation of proposed methodologies available in the literature should therefore be undertaken, to enable the investigators to choose the most suitable procedure for each chosen biomarker.
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Kaboudanian Ardestani S, Taravati A, Kianmehr Z, Hajizadeh Dastjerdi A, Pourfarzam S, Soroush MR, Naghizadeh MM, Ghazanfari T. Altered levels of GST activity, Vit C, TPX and Cu in individuals with long-term sulfur mustard-induced lung complications. Inhal Toxicol 2019; 30:483-491. [DOI: 10.1080/08958378.2018.1545809] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Ali Taravati
- Department of Molecular and Cell Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran
| | - Zahra Kianmehr
- Department of Cellular and Molecular Biology (Biochemistry), Faculty of Biological Science, North Tehran Branch, Islamic Azad University, Tehran, Iran Azad University, Tehran, Iran
| | | | | | | | | | - Tooba Ghazanfari
- Immunoregulation Research Center, Shahed University, Tehran, Iran
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de Souza Neto FP, Bernardes SS, Marinello PC, Melo GP, Luiz RC, Cecchini R, Cecchini AL. Metformin: oxidative and proliferative parameters in-vitro and in-vivo models of murine melanoma. Melanoma Res 2018; 27:536-544. [PMID: 28877050 DOI: 10.1097/cmr.0000000000000391] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cutaneous melanoma is one of the most lethal cancers because of its increased rate of metastasis and resistance to available therapeutic options. Early studies indicate that metformin has beneficial effects on some types of cancer, including melanoma. To clarify knowledge of the mechanism of action of metformin on this disease, two treatment-based approaches are presented using metformin on melanoma progression: an in-vitro and an in-vivo model. The in-vitro assay was performed for two experimental treatment periods (24 and 48 h) at different metformin concentrations. The results showed that metformin decreased cell viability, reduced proliferation, and apoptosis was a major event 48 h after treating B16F10 cells. Oxidative stress was characterized by the decrease in total thiol antioxidants immediately following 24 h of metformin treatment and showed an increase in lipid peroxidation. The in-vivo model was performed by injecting B16F10 cells into the subcutaneous of C57/BL6 mice. Treatment with metformin began on day 3 and on day 14, the mice were killed. Treatment of mice with metformin reduced tumor growth by 54% of its original volume compared with nontreatment. The decrease in systemic vascular endothelial growth factor, restoration of antioxidants glutathione and catalase, and normal levels of lipid peroxidation indicate an improved outcome for melanoma following metformin treatment, meeting a need for new strategies in the treatment of melanoma.
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Affiliation(s)
- Fernando P de Souza Neto
- Departments of aMolecular Pathology bPathophysiology and Free Radicals, State University of Londrina, Londrina, Brazil
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Tomiotto-Pellissier F, Alves DR, Miranda-Sapla MM, de Morais SM, Assolini JP, da Silva Bortoleti BT, Gonçalves MD, Cataneo AHD, Kian D, Madeira TB, Yamauchi LM, Nixdorf SL, Costa IN, Conchon-Costa I, Pavanelli WR. Caryocar coriaceum extracts exert leishmanicidal effect acting in promastigote forms by apoptosis-like mechanism and intracellular amastigotes by Nrf2/HO-1/ferritin dependent response and iron depletion. Biomed Pharmacother 2018; 98:662-672. [DOI: 10.1016/j.biopha.2017.12.083] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/27/2017] [Accepted: 12/18/2017] [Indexed: 01/26/2023] Open
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Fanti JR, Tomiotto-Pellissier F, Miranda-Sapla MM, Cataneo AHD, Andrade CGTDJ, Panis C, Rodrigues JHDS, Wowk PF, Kuczera D, Costa IN, Nakamura CV, Nakazato G, Durán N, Pavanelli WR, Conchon-Costa I. Biogenic silver nanoparticles inducing Leishmania amazonensis promastigote and amastigote death in vitro. Acta Trop 2018; 178:46-54. [PMID: 29111137 DOI: 10.1016/j.actatropica.2017.10.027] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 10/24/2017] [Accepted: 10/26/2017] [Indexed: 12/01/2022]
Abstract
American Cutaneous Leishmaniasis (ACL) is a zoonosis caused by Leishmania protozoa. The ACL chemotherapy available is unsatisfactory motivating researches to seek alternative treatments. In this study, we investigated the action of biogenic silver nanoparticle (AgNp-bio) obtained from Fusarium oxysporium, against Leishmania amazonensis promastigote and amastigote forms. The AgNp-bio promastigote treatment results in promastigote death leading to apoptosis-like events due an increased production of reactive oxygen species (ROS), loss of mitochondrial integrity, phosphatidylserine exposure and damage on promastigotes membrane. In L. amazonensis infected macrophages, AgNp-bio treatment was still able to reduce the percentage of infected macrophages and the amount of amastigotes per macrophage, consequently, the amount of promastigotes recovered. This leishmanicidal effect was also accompanied by a decrease in the levels of ROS and nitric oxide. By observing the ultrastructural integrity of the intracellular amastigotes, we found that the AgNp-bio treatment made a significant damage, suggesting that the compound has a direct effect on intracellular amastigotes. These results demonstrated that AgNp-bio had a direct effect against L. amazonensis forms and acted on immunomodulatory ability of infected macrophages, reducing the infection without inducing the synthesis of inflammatory mediators, which continuous stimulation can generate and aggravate leishmaniotic lesions. Overall, our findings suggest that the use of AgNp-bio stands out as a new therapeutic option to be considered for further in vivo investigations representing a possible treatment for ACL.
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Affiliation(s)
- Jacqueline Rodrigues Fanti
- Laboratory of Experimental Protozoology, Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Fernanda Tomiotto-Pellissier
- Laboratory of Experimental Protozoology, Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Milena Menegazzo Miranda-Sapla
- Laboratory of Experimental Protozoology, Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, Paraná, Brazil.
| | - Allan Henrique Depieri Cataneo
- Laboratory of Experimental Protozoology, Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Célia Guadalupe Tardeli de Jesus Andrade
- Laboratory of Electron Microscopy and Microanalysis, Department of General Biology, Biological Sciences Center, State University of Londrina, Londrina, Paraná, Brazil
| | - Carolina Panis
- Laboratory of Inflammatory Mediators, University of Western Paraná, Francisco Beltrão, Paraná, Brazil
| | - Jean Henrique da Silva Rodrigues
- Laboratory of Technological Innovation in Development of Drugs and Cosmetics, Department of Health Basic Sciences, Center of Health Sciences, State University of Maringá, Maringá, Paraná, Brazil
| | - Pryscilla Fanini Wowk
- Laboratory of Molecular Virology, Carlos Chagas Institute (ICC/Fiocruz/PR), Curitiba, Paraná, Brazil
| | - Diogo Kuczera
- Laboratory of Molecular Virology, Carlos Chagas Institute (ICC/Fiocruz/PR), Curitiba, Paraná, Brazil
| | - Idessania Nazareth Costa
- Laboratory of Experimental Protozoology, Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Celso Vataru Nakamura
- Laboratory of Technological Innovation in Development of Drugs and Cosmetics, Department of Health Basic Sciences, Center of Health Sciences, State University of Maringá, Maringá, Paraná, Brazil
| | - Gerson Nakazato
- Laboratory of Bacteriology Basic and Applied, Department of Microbiology, Biological Sciences Center, State University of Londrina, Londrina, Paraná, Brazil
| | - Nelson Durán
- Institute of Chemistry, Biological Chemistry Laboratory, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil; Brazilian Nanotechnology National Laboratory (LNNano-CNPEM), Campinas, São Paulo, Brazil
| | - Wander Rogério Pavanelli
- Laboratory of Experimental Protozoology, Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - Ivete Conchon-Costa
- Laboratory of Experimental Protozoology, Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, Paraná, Brazil
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Short infusion of paclitaxel imbalances plasmatic lipid metabolism and correlates with cardiac markers of acute damage in patients with breast cancer. Cancer Chemother Pharmacol 2017; 80:469-478. [PMID: 28689298 DOI: 10.1007/s00280-017-3384-8] [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: 05/17/2017] [Accepted: 06/30/2017] [Indexed: 10/19/2022]
Abstract
PURPOSE Although paclitaxel-based chemotherapy is widely used for treating breast cancer, paclitaxel therapy has been associated with several adverse effects. Such adverse effects have primarily been associated with long-term regimens, but some acute effects are being increasingly reported in the literature. In this context, the present study analyzed the systemic proteomic profiles of women diagnosed with breast cancer at the first cycle of short paclitaxel infusion (n = 30). Proteomic profiles thus obtained were compared with those of breast cancer patients without chemotherapy (n = 50), as well as with those of healthy controls (n = 40). METHODS Plasma samples were evaluated by label-free LC-MS to obtain systemic proteomic profiles. Putative dysregulated pathways were identified and validated by in silico analysis of proteomic profiles. RESULTS Our results identified 188 proteins that were differentially expressed in patients who received a single short paclitaxel infusion when compared to patients who did not receive the infusion. Gene ontology analysis indicated that the cholesterol pathway may be dysregulated by paclitaxel in these patients. Validation analysis showed that paclitaxel treatment significantly reduced plasma high-density lipoprotein levels and increased plasma hydroperoxide levels when compared to breast cancer patients without chemotherapy. Furthermore, augmented C-reactive protein and creatine kinase fraction MB were found to be significantly higher in paclitaxel-treated patients in comparison with healthy controls. CONCLUSIONS Taken together, these data suggest that a single dose of short paclitaxel infusion is sufficient to trigger significant alterations in lipid metabolism, which puts breast cancer patients at risk for increased incidence of cardiovascular disease.
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Chandra RV, Sailaja S, Reddy AA. Estimation of tissue and crevicular fluid oxidative stress marker in premenopausal, perimenopausal and postmenopausal women with chronic periodontitis. Gerodontology 2017; 34:382-389. [PMID: 28568604 DOI: 10.1111/ger.12279] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2017] [Indexed: 01/27/2023]
Abstract
OBJECTIVES The aim of this study was to estimate tissue and gingival crevicular fluid (GCF) levels of the oxidative stress marker 8-hydroxy-2'-deoxyguanosine (8-OHdG) in premenopausal, perimenopausal and postmenopausal women with chronic periodontitis. BACKGROUND Oxidative stress has been implicated in the etiopathogenesis of periodontitis and menopause induces oxidative stress. MATERIALS AND METHODS According to Stages of Reproductive Aging Workshop (STRAW) criteria, women diagnosed with periodontitis were subdivided into three groups of 31 participants each 1. Premenopausal 2. Perimenopausal and 3. Postmenopausal. GCF and gingival tissue samples were collected from sites with maximum probing depth. Tissue DNA was extracted from the gingival sample and 8-OHdG in the extracted DNA, and GCF samples were measured using ELISA. RESULTS There was a highly significant difference in the overall GCF 8-OHdG levels among the three groups with the pairwise difference being highly significant between the premenopausal-postmenopausal groups and perimenopausal-postmenopausal groups. However, no overall significant differences in tissue 8-OHdG levels were found among the three groups. Pairwise, highly significant differences were found between the premenopausal-postmenopausal groups and perimenopausal-postmenopausal groups for tissue 8-OHdG levels. No significant correlations were found between various measure of periodontal disease and GCF/tissue 8-OHdG levels among all the groups. CONCLUSION Premenopausal-postmenopausal and perimenopausal-postmenopausal transition resulted in significant increase in tissue and GCF 8-OHdG levels. However, no association was found between stages of reproductive ageing and tissue levels of 8-OHdG.
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Affiliation(s)
- Rampalli Viswa Chandra
- Department of Periodontics, SVS Institute of Dental Sciences, Mahabubnagar, Telangana, India
| | - Sistla Sailaja
- Department of Periodontics, SVS Institute of Dental Sciences, Mahabubnagar, Telangana, India
| | - Aileni Amarender Reddy
- Department of Periodontics, SVS Institute of Dental Sciences, Mahabubnagar, Telangana, India
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Sanches LJ, Marinello PC, Panis C, Fagundes TR, Morgado-Díaz JA, de-Freitas-Junior JCM, Cecchini R, Cecchini AL, Luiz RC. Cytotoxicity of citral against melanoma cells: The involvement of oxidative stress generation and cell growth protein reduction. Tumour Biol 2017; 39:1010428317695914. [DOI: 10.1177/1010428317695914] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Citral is a natural compound that has shown cytotoxic and antiproliferative effects on breast and hematopoietic cancer cells; however, there are few studies on melanoma cells. Oxidative stress is known to be involved in all stages of melanoma development and is able to modulate intracellular pathways related to cellular proliferation and death. In this study, we hypothesize that citral exerts its cytotoxic effect on melanoma cells by the modulation of cellular oxidative status and/or intracellular signaling. To test this hypothesis, we investigated the antiproliferative and cytotoxic effects of citral on B16F10 murine melanoma cells evaluating its effects on cellular oxidative stress, DNA damage, cell death, and important signaling pathways, as these pathways, namely, extracellular signal-regulated kinases 1/2 (ERK1/2), AKT, and phosphatidylinositol-3 kinase, are involved in cell proliferation and differentiation. The p53 and nuclear factor kappa B were also investigated due to their ability to respond to intracellular stress. We observed that citral exerted antiproliferative and cytotoxic effects in B16F10; induced oxidative stress, DNA lesions, and p53 nuclear translocation; and reduced nitric oxide levels and nuclear factor kappa B, ERK1/2, and AKT. To investigate citral specificity, we used non-neoplastic human and murine cells, HaCaT (human skin keratinocytes) and NIH-3T3 cells (murine fibroblasts), and observed that although citral effects were not specific for cancer cells, non-neoplastic cells were more resistant to citral than B16F10. These findings highlight the potential clinical utility of citral in melanoma, with a mechanism of action involving the oxidative stress generation, nitric oxide depletion, and interference in signaling pathways related to cell proliferation.
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Affiliation(s)
- Larissa Juliani Sanches
- Laboratory of Molecular Pathology, Department of Pathological Sciences, Universidade Estadual de Londrina, Londrina, Brazil
| | - Poliana Camila Marinello
- Laboratory of Molecular Pathology, Department of Pathological Sciences, Universidade Estadual de Londrina, Londrina, Brazil
| | - Carolina Panis
- Laboratory of Inflammatory Mediators, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão, Brazil
| | - Tatiane Renata Fagundes
- Laboratory of Molecular Pathology, Department of Pathological Sciences, Universidade Estadual de Londrina, Londrina, Brazil
| | | | | | - Rubens Cecchini
- Laboratory of Pathophysiology of Free Radicals, Department of Pathological Sciences, Universidade Estadual de Londrina, Londrina, Brazil
| | - Alessandra Lourenço Cecchini
- Laboratory of Molecular Pathology, Department of Pathological Sciences, Universidade Estadual de Londrina, Londrina, Brazil
| | - Rodrigo Cabral Luiz
- Laboratory of Molecular Pathology, Department of Pathological Sciences, Universidade Estadual de Londrina, Londrina, Brazil
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Fattori V, Borghi SM, Guazelli CFS, Giroldo AC, Crespigio J, Bussmann AJC, Coelho-Silva L, Ludwig NG, Mazzuco TL, Casagrande R, Verri WA. Vinpocetine reduces diclofenac-induced acute kidney injury through inhibition of oxidative stress, apoptosis, cytokine production, and NF-κB activation in mice. Pharmacol Res 2017; 120:10-22. [PMID: 28315429 DOI: 10.1016/j.phrs.2016.12.039] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 12/23/2016] [Accepted: 12/28/2016] [Indexed: 12/30/2022]
Abstract
Acute kidney injury (AKI) represents a complex clinical condition associated with significant morbidity and mortality. Approximately, 19-33% AKI episodes in hospitalized patients are related to drug-induced nephrotoxicity. Although, considered safe, non-steroidal anti-inflammatory drugs such as diclofenac have received special attention in the past years due to the potential risk of renal damage. Vinpocetine is a nootropic drug known to have anti-inflammatory properties. In this study, we investigated the effect and mechanisms of vinpocetine in a model of diclofenac-induced AKI. We observed that diclofenac increased proteinuria and blood urea, creatinine, and oxidative stress levels 24h after its administration. In renal tissue, diclofenac also increased oxidative stress and induced morphological changes consistent with renal damage. Moreover, diclofenac induced kidney cells apoptosis, up-regulated proinflammatory cytokines, and induced the activation of NF-κB in renal tissue. On the other hand, vinpocetine reduced diclofenac-induced blood urea and creatinine. In the kidneys, vinpocetine inhibited diclofenac-induced oxidative stress, morphological changes, apoptosis, cytokine production, and NF-κB activation. To our knowledge, this is the first study demonstrating that diclofenac-induced AKI increases NF-κB activation, and that vinpocetine reduces the nephrotoxic effects of diclofenac. Therefore, vinpocetine is a promising molecule for the treatment of diclofenac-induced AKI.
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Affiliation(s)
- Victor Fattori
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Sergio M Borghi
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Carla F S Guazelli
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Andressa C Giroldo
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Jefferson Crespigio
- Departamento de Medicina, Divisão de Endocrinologia, Centro de Ciências da Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Allan J C Bussmann
- Laboratório de Anatomia Patológica, Centro de Ciências de Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Letícia Coelho-Silva
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Natasha G Ludwig
- Departamento de Medicina, Divisão de Endocrinologia, Centro de Ciências da Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Tânia L Mazzuco
- Departamento de Medicina, Divisão de Endocrinologia, Centro de Ciências da Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil.
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Cervellati C, Bergamini CM. Oxidative damage and the pathogenesis of menopause related disturbances and diseases. Clin Chem Lab Med 2017; 54:739-53. [PMID: 26544103 DOI: 10.1515/cclm-2015-0807] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Accepted: 09/18/2015] [Indexed: 12/24/2022]
Abstract
The postmenopausal phase of life is frequently associated in women with subjective symptoms (e.g. vasomotor) and real diseases (atherosclerosis with coronary ischemia, osteoporosis, Alzheimer-type neurodegeneration, urogenital dystrophy), which together determine the post-menopausal syndrome. Observations that oxidative damage by reactive oxygen/nitrogen species in experimental models can contribute to the pathogenesis of these disturbances stimulated research on the relationships between menopause, its endocrine deficiency, oxidative balance and the "wellness" in postmenopausal life. The connection among these events is probably due to the loss of protective actions exerted by estrogens during the fertile life. Most recent studies have revealed that estrogens exert an antioxidant action not by direct chemical neutralization of reactants as it was expected until recently but by modulating the expression of antioxidant enzymes that control levels of biological reducing agents. Also nutritional antioxidants apparently act by a similar mechanism. From this perspective it is conceivable that a cumulative control of body oxidant challenges and biological defenses could help in monitoring between "normal" and "pathological" menopause. However, as clinical studies failed to confirm this scenario in vivo, we have decided to review the existing literature to understand the causes of this discrepancy and whether this was due to methodologic reasons or to real failure of the basic hypothesis.
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Fattori V, Serafim KGG, Zarpelon AC, Borghi SM, Pinho-Ribeiro FA, Alves-Filho JC, Cunha TM, Cunha FQ, Casagrande R, Verri WA. Differential regulation of oxidative stress and cytokine production by endothelin ET A and ET B receptors in superoxide anion-induced inflammation and pain in mice. J Drug Target 2016; 25:264-274. [PMID: 27701898 DOI: 10.1080/1061186x.2016.1245308] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The present study investigated whether endothelin-1 acts via ETA or ETB receptors to mediate superoxide anion-induced pain and inflammation. Mice were treated with clazosentan (ETA receptor antagonist) or BQ-788 (ETB receptor antagonist) prior to stimulation with the superoxide anion donor, KO2. Intraplantar treatment with 30 nmol of clazosentan or BQ-788 reduced mechanical hyperalgesia (47% and 42%), thermal hyperalgesia (68% and 76%), oedema (50% and 30%); myeloperoxidase activity (64% and 32%), and overt-pain like behaviours, such as paw flinching (42% and 42%) and paw licking (38% and 62%), respectively. Similarly, intraperitoneal treatment with 30 nmol of clazosentan or BQ-788 reduced leukocyte recruitment to the peritoneal cavity (58% and 32%) and abdominal writhing (81% and 77%), respectively. Additionally, intraplantar treatment with clazosentan or BQ-788 decreased spinal (45% and 41%) and peripheral (47% and 47%) superoxide anion production as well as spinal (47% and 47%) and peripheral (33% and 54%) lipid peroxidation, respectively. Intraplantar treatment with clazosentan, but not BQ-788, reduced spinal (71%) and peripheral (51%) interleukin-1 beta as well as spinal (59%) and peripheral (50%) tumor necrosis factor-alpha production. Therefore, the present study unveils the differential mechanisms by which ET-1, acting on ETA or ETB receptors, regulates superoxide anion-induced inflammation and pain.
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Affiliation(s)
- Victor Fattori
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Karla G G Serafim
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Ana C Zarpelon
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Sergio M Borghi
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Felipe A Pinho-Ribeiro
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - José C Alves-Filho
- b Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , Brazil
| | - Thiago M Cunha
- b Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , Brazil
| | - Fernando Q Cunha
- b Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , Brazil
| | - Rúbia Casagrande
- c Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde , Universidade Estadual de Londrina , Londrina , Brazil
| | - Waldiceu A Verri
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
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Chen JT, Kotani K. Serum γ-glutamyltranspeptidase and oxidative stress in subjectively healthy women: an association with menopausal stages. Aging Clin Exp Res 2016; 28:619-24. [PMID: 26438207 DOI: 10.1007/s40520-015-0460-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 09/22/2015] [Indexed: 10/23/2022]
Abstract
BACKGROUND Gamma-glutamyltransferase (γ-GT) is used as a marker of alcohol-related pathology, while γ-GT is recently considered to be an oxidative stress marker. AIM The present study aimed to investigate the correlation between the oxidative status and γ-GT levels, in association with menopausal stages. METHODS In total, 252 women, who were subjectively healthy, were divided into three groups: premenopausal, perimenopausal, and postmenopausal. The circulating oxidative status was evaluated by the diacron-reactive oxygen metabolite (d-ROM) test. In addition to serum γ-GT, routine blood investigations, including lipid, glucose, and inflammatory parameters, were performed. RESULTS The median γ-GT level was 17 U/L and the mean d-ROM level was 335 Carr U in all subjects. On multiple regression analysis, independent significant positive correlations were observed between d-ROM and high-sensitivity CRP levels in three groups, while there was a significant positive correlation between d-ROM and γ-GT levels only in the premenopausal group but not in the perimenopausal and postmenopausal groups. DISCUSSION The significant relationship between d-ROM and γ-GT at active estrogen stage may indicate a different oxidative stress condition by memopausal stage. The reasons of this relationship should be further explored. CONCLUSION A positive relationship between d-ROM and γ-GT levels, both as known as oxidative stress-related markers, could exist in premenopausal women.
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Bonaccorsi G, Romani A, Cremonini E, Bergamini CM, Castaldini MC, Fila E, Hanau S, Massari L, Cervellati C. Oxidative stress and menopause-related hot flashes may be independent events. Taiwan J Obstet Gynecol 2016; 54:290-3. [PMID: 26166343 DOI: 10.1016/j.tjog.2014.09.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/04/2014] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE At present, there is growing demand for alternative, or additional, treatments to hormone replacement therapy for menopause-related hot flashes (HF). Antioxidant supplements have been recently proposed as possible candidates for this purpose, regardless of the absence of clear evidence in support of a link between these vasomotor symptoms and oxidative stress (OxS). The aim of our study was to evaluate the association between HF and OxS serum markers in a large sample of middle-aged women. MATERIALS AND METHODS We conducted a cross-sectional study on 245 perimenopausal and early postmenopausal women (age 45-60 years). The variables examined were presence of self-reported HF and levels of 8-iso-prostaglandin F2α, 8-OH-deoxy-2'-guanosine, advanced oxidation protein products, total antioxidant power, uric acid, thiols, and paroxonase-1. RESULTS Seventy-six women (31%) reported to suffer from HF (either medium or high intensity). None of the peripheral markers of OxS examined was found to be significantly associated with the presence of HF. CONCLUSION Taken together, our data suggest that systemic OxS might not be implicated with the onset of the climacteric vasomotor symptoms that most commonly affect women experiencing perimenopause and early postmenopause.
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Affiliation(s)
- Gloria Bonaccorsi
- Department of Morphology, Surgery and Experimental Medicine, Menopause and Osteoporosis Centre, University of Ferrara, Ferrara, Italy; Department of Morphology, Surgery and Experimental Medicine, Section of Gynaecology and Obstetrics, University of Ferrara, Ferrara, Italy
| | - Arianna Romani
- Department of Biomedical and Specialist Surgical Sciences, Section of Medical Biochemistry, Molecular Biology and Genetics, University of Ferrara, Ferrara, Italy
| | - Eleonora Cremonini
- Department of Biomedical and Specialist Surgical Sciences, Section of Medical Biochemistry, Molecular Biology and Genetics, University of Ferrara, Ferrara, Italy
| | - Carlo M Bergamini
- Department of Biomedical and Specialist Surgical Sciences, Section of Medical Biochemistry, Molecular Biology and Genetics, University of Ferrara, Ferrara, Italy
| | - Maria Cristina Castaldini
- Department of Morphology, Surgery and Experimental Medicine, Menopause and Osteoporosis Centre, University of Ferrara, Ferrara, Italy
| | - Enrica Fila
- Department of Morphology, Surgery and Experimental Medicine, Menopause and Osteoporosis Centre, University of Ferrara, Ferrara, Italy; Department of Morphology, Surgery and Experimental Medicine, Section of Gynaecology and Obstetrics, University of Ferrara, Ferrara, Italy
| | - Stefania Hanau
- Department of Biomedical and Specialist Surgical Sciences, Section of Medical Biochemistry, Molecular Biology and Genetics, University of Ferrara, Ferrara, Italy
| | - Leo Massari
- Department of Morphology, Surgery and Experimental Medicine, Menopause and Osteoporosis Centre, University of Ferrara, Ferrara, Italy; Department of Morphology, Surgery and Experimental Medicine, Section of Orthopaedic Clinic, University of Ferrara, Ferrara, Italy
| | - Carlo Cervellati
- Department of Morphology, Surgery and Experimental Medicine, Menopause and Osteoporosis Centre, University of Ferrara, Ferrara, Italy; Department of Biomedical and Specialist Surgical Sciences, Section of Medical Biochemistry, Molecular Biology and Genetics, University of Ferrara, Ferrara, Italy.
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Goy B, Atmaca M, Aslan M, Ucler R, Alay M, Seven I, Demir H, Ozturk M. Relationship between serum DHEAS and oxidative stress levels of body mass index in healthy postmenopausal women. Redox Rep 2016; 21:61-6. [PMID: 26024430 PMCID: PMC6837362 DOI: 10.1179/1351000215y.0000000016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
OBJECTIVES Menopause is a natural step in the process of aging. Postmenopausal women have decreased levels of antioxidants and increased oxidative stress, the latter of which plays an important role in atherogenesis. The aim of the present study was to evaluate the relationship of the body mass index (BMI) with serum catalase activity, malondialdehyde (MDA), and dehydroepiandrosterone sulfate (DHEAS) levels in healthy postmenopausal women and estimate whether the MDA/DHEAS ratio is a possible marker of oxidative stress for determining cardiovascular risk in these women. METHODS We investigated serum catalase activity, MDA, and DHEAS levels, parity history, age, and BMI in 96 healthy postmenopausal women aged 50-82 years. The serum MDA levels and catalase activity were measured spectrophotometrically. The serum DHEAS levels were measured using an enzyme-linked immunosorbent assay. The ratio percentage of the serum DHEAS levels to serum MDA levels was designated as a biomarker for oxidative stress. RESULTS The mean BMI of the patients was 31.72 ± 6.16 kg/m(2) (range = 20.5-47.94). The MDA/DHEAS ratio was significantly decreased in patients with a BMI over 30 compared to that of patients with a BMI between 25 and 30 (P = 0.025). Moreover, BMI was positively correlated with serum DHEAS levels (r = 0.285, P < 0.01) and negatively correlated with the MDA/DHEAS ratio (r = -0.241, P < 0.05) in postmenopausal women. Furthermore, BMI was observed to be a potential predictor of the MDA/DHEAS ratio based on covariance analysis (P = 0.039). CONCLUSIONS Our results indicate that healthy, obese, postmenopausal women have a decreased MDA/DHEAS ratio. Additionally, BMI was observed to be a potential predictor of the MDA/DHEAS ratio.
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Affiliation(s)
- Burhan Goy
- Department of Internal Medicine, Medical Faculty, Yuzuncu Yil University, Van, Turkey
| | - Murat Atmaca
- Department of Endocrinology and Metabolism, Medical Faculty, Yuzuncu Yil University, Van, Turkey
| | - Mehmet Aslan
- Department of Internal Medicine, Medical Faculty, Yuzuncu Yil University, Van, Turkey
| | - Rıfkı Ucler
- Department of Endocrinology and Metabolism, Medical Faculty, Yuzuncu Yil University, Van, Turkey
| | - Murat Alay
- Department of Endocrinology and Metabolism, Medical Faculty, Yuzuncu Yil University, Van, Turkey
| | - Ismet Seven
- Department of Internal Medicine, Medical Faculty, Yuzuncu Yil University, Van, Turkey
| | - Halit Demir
- Department of Chemistry, Division of Biochemistry, Faculty of Science, Yuzuncu Yil University, Van, Turkey
| | - Mustafa Ozturk
- Department of Endocrinology and Metabolism, Medical Faculty, Medipol University, Istanbul, Turkey
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Correlation of TGF-β1 and oxidative stress in the blood of patients with melanoma: a clue to understanding melanoma progression? Tumour Biol 2016; 37:10753-61. [PMID: 26873487 DOI: 10.1007/s13277-016-4967-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Accepted: 02/02/2016] [Indexed: 12/15/2022] Open
Abstract
TGF-β1 and oxidative stress are involved in cancer progression, but in melanoma, their role is still controversial. Our aim was to correlate plasma TGF-β1 levels and systemic oxidative stress biomarkers in patients with melanoma, with or without disease metastasis, to understand their participation in melanoma progression. Thirty patients were recruited for melanoma surveillance, together with 30 healthy volunteers. Patients were divided into two groups: Non-metastasis, comprising patients with tumor removal and no metastatic episode for 3 years; and Metastasis, comprising patients with a metastatic episode. The plasmatic cytokines TGF-β1, IL-1 β, and TNF-α were analyzed by ELISA. For oxidative stress, the following assays were performed: malondialdehyde (MDA), advanced oxidation protein products (AOPP) levels, total radical-trapping antioxidant parameter (TRAP) and thiol in plasma, and lipid peroxidation, SOD and catalase activity and GSH in erythrocytes. Patients with a metastatic episode had less circulating TGF-β1 and increased TRAP, thiol, AOPP and lipid peroxidation levels. MDA was increased in both melanoma groups, while catalase, GSH, and IL-1β was decreased in Non-metastasis patients. Significant negative correlations were observed between TGF-β1 levels and systemic MDA, and TGF-β1 levels and systemic AOPP, while a positive correlation was observed between TGF-β1 levels and erythrocyte GSH. Lower levels of TGF-β1 were related to increased oxidative stress in Metastasis patients, reinforcing new evidence that in melanoma TGF-β1 acts as a tumor suppressor, inhibiting tumor relapse. These findings provide new knowledge concerning this cancer pathophysiology, extending the possibilities of investigating new therapies based on this evidence.
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Stepniak J, Karbownik-Lewinska M. 17β-estradiol prevents experimentally-induced oxidative damage to membrane lipids and nuclear DNA in porcine ovary. Syst Biol Reprod Med 2015; 62:17-21. [PMID: 26677908 DOI: 10.3109/19396368.2015.1101510] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Estrogens, with their principle representative 17β-estradiol, contribute to the redox state of cells showing both pro- and antioxidative properties. In the ovary, being the main source of estrogens, maintaining balance between the production and detoxification of ROS is crucial. Whereas ovary estrogen concentration is difficult to estimate, its circulating concentration in women may reach the nanomolar level. The aim of the study was to evaluate the effects of 17β-estradiol on oxidative damage to membrane lipids (lipid peroxidation, LPO) and to nuclear DNA in the porcine ovary under basal conditions and in the presence of Fenton reaction (Fe(2+)+H2O2→Fe(3+)+(•)OH + OH(-)) substrates. Ovary homogenates and DNA were incubated in the presence of 17β-estradiol (1 mM-1 pM), without/with FeSO4 (30 μM) + H2O2 (0.5 mM). Malondialdehyde + 4-hydroxyalkenals (MDA + 4-HDA) concentration (LPO index) was measured spectrophotometrically. The concentration of 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) (DNA damage index) was measured by HPLC. We observed that 17β-estradiol did not alter the basal level of oxidative damage, but reduced Fe(2+)+H2O2-induced oxidative damage to membrane lipids when ≥10 nM and to DNA at concentrations ≥1 nM. In the ovary at near physiological concentration, 17β-estradiol prevents experimentally induced oxidative damage. This suggests that under physiological conditions this hormone may contribute to protecting the ovary against oxidative damage.
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Affiliation(s)
- Jan Stepniak
- a Department of Oncological Endocrinology , Medical University of Lodz and
| | - Malgorzata Karbownik-Lewinska
- a Department of Oncological Endocrinology , Medical University of Lodz and.,b Department of Endocrinology and Metabolic Diseases , Polish Mother's Memorial Hospital - Research Institute , Lodz , Poland
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Can Breast Tumors Affect the Oxidative Status of the Surrounding Environment? A Comparative Analysis among Cancerous Breast, Mammary Adjacent Tissue, and Plasma. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:6429812. [PMID: 26697139 PMCID: PMC4677231 DOI: 10.1155/2016/6429812] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 08/04/2015] [Accepted: 08/12/2015] [Indexed: 02/01/2023]
Abstract
In this paper, we investigated the oxidative profile of breast tumors in comparison with their normal adjacent breast tissue. Our study indicates that breast tumors present enhanced oxidative/nitrosative stress, with concomitant augmented antioxidant capacity when compared to the adjacent normal breast. These data indicate that breast cancers may be responsible for the induction of a prooxidant environment in the mammary gland, in association with enhanced TNF-α and nitric oxide.
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Marinello PC, da Silva TNX, Panis C, Neves AF, Machado KL, Borges FH, Guarnier FA, Bernardes SS, de-Freitas-Junior JCM, Morgado-Díaz JA, Luiz RC, Cecchini R, Cecchini AL. Mechanism of metformin action in MCF-7 and MDA-MB-231 human breast cancer cells involves oxidative stress generation, DNA damage, and transforming growth factor β1 induction. Tumour Biol 2015; 37:5337-46. [DOI: 10.1007/s13277-015-4395-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 11/05/2015] [Indexed: 11/27/2022] Open
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Specific serum carotenoids are inversely associated with breast cancer risk among Chinese women: a case-control study. Br J Nutr 2015; 115:129-37. [PMID: 26482064 DOI: 10.1017/s000711451500416x] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Previous epidemiological studies have revealed the anti-cancer effect of dietary circulating carotenoids. However, the protective role of specific individual circulating carotenoids has not been elucidated. The purpose of this study was to examine whether serum carotenoids, including α-carotene, β-carotene, β-cryptoxanthin, lycopene and lutein/zeaxanthin, could lower the risk for breast cancer among Chinese women. A total of 521 women with breast cancer and age-matched controls (5-year interval) were selected from three teaching hospitals in Guangzhou, China. Concentrations of α-carotene, β-carotene, β-cryptoxanthin, lycopene and lutein/zeaxanthin were measured using HPLC. Unconditional logistic regression models were used to calculate OR and 95% CI using quartiles defined in the control subjects. Significant inverse associations were observed between serum α-carotene, β-carotene, lycopene, lutein/zeaxanthin and the risk for breast cancer. The multivariate OR for the highest quartile of serum concentration compared with the lowest quartile were 0·44 (95% CI 0·30, 0·65) for α-carotene, 0·27 (95% CI 0·18, 0·40) for β-carotene, 0·41 (95% CI 0·28, 0·61) for lycopene and 0·26 (95% CI 0·17, 0·38) for lutein/zeaxanthin. However, no significant association was found between serum β-cryptoxanthin and the risk for breast cancer. Stratified analysis by menopausal status and oestrogen receptor (ER)/progesterone receptor (PR) showed that serum α-carotene, β-carotene, lycopene and lutein/zeaxanthin were inversely associated with breast cancer risk among premenopausal women and among all subtypes of ER or PR status. The results suggest a protective role of α-carotene, β-carotene, lycopene and lutein/zeaxanthin, but not β-cryptoxanthin, in breast cancer risk.
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Association of oxidative stress biomarkers with adiposity and clinical staging in women with breast cancer. Eur J Clin Nutr 2015; 69:1256-61. [PMID: 26039316 DOI: 10.1038/ejcn.2015.84] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 04/11/2015] [Accepted: 04/19/2015] [Indexed: 12/24/2022]
Abstract
BACKGROUND/OBJECTIVES Breast cancer is a disease characterised by both oxidative reactions and inflammation. However, few studies have focused on the oxidative and inflammatory biomarkers. The aim of the present study was to evaluate the association between oxidative stress markers and adiposity and clinical staging, as well as the association between the oxidative and the antioxidant biomarkers of women with breast cancer. SUBJECTS/METHODS A total of 135 cases of breast cancer occurring in 2011 and 2012 were assessed. After exclusions, 101 pre- and post-menopausal women with clinical staging I to IV were eligible to participate in the study. The anthropometric evaluation was performed by collecting data on waist circumference, body mass index and body composition. The socioeconomic and clinical profiles were determined using a standard questionnaire. For the oxidative biomarkers, thiobarbituric acid reactive substances (TBARS), oxidative DNA damage (8-hydroxy-2-deoxyguanosine (8-OHdG)), low-density lipoprotein(-) (LDL(-)), autoantibody anti-LDL(-) and liposoluble antioxidants (α-tocopherol, retinol and β-carotene) were analysed. The data were analysed using differences in the mean values, correlation tests and multiple linear regression. RESULTS The antioxidant levels were higher in postmenopausal women with clinical staging I and II and negative lymph nodes. The TBARS level was associated with clinical staging. Adiposity was associated with levels of retinol and 8-OHdG, whereas LDL(-), 8-OHdG and TBARS were correlated with liposoluble antioxidants after adjusting for the confounders. CONCLUSIONS The adiposity and clinical staging of patients were associated with oxidative stress. The oxidative and antioxidant biomarkers showed a negative correlation in patients with breast cancer.
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Bernardes SS, de Souza-Neto FP, Ramalho LNZ, Derossi DR, Guarnier FA, da Silva CFN, Melo GP, Simão ANC, Cecchini R, Cecchini AL. Systemic oxidative profile after tumor removal and the tumor microenvironment in melanoma patients. Cancer Lett 2015; 361:226-32. [PMID: 25772650 DOI: 10.1016/j.canlet.2015.03.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Revised: 03/05/2015] [Accepted: 03/06/2015] [Indexed: 02/09/2023]
Abstract
This study highlights the systemic oxidative changes in patients submitted to primary cutaneous melanoma removal. Cutaneous melanoma is highly aggressive and its incidence is increasing worldwide. We evaluated systemic oxidative stress (OS) and 3-nitrotyrosine (3-NT) expression in melanoma tissue in relation to the Breslow thickness in patients under surveillance. Forty-three patients with cutaneous melanoma and 50 healthy volunteers were recruited. Patients were divided into two groups according to the tumor's Breslow thickness: T1/T2 (<2 mm) and T3/T4 (≥2 mm). Systemic OS and inflammatory mediators were evaluated in plasma, and the 3-NT expression was analyzed via immunohistochemistry. Compared with the controls, the patients had lower blood levels of reduced glutathione, higher malondialdehyde and thiol levels, and a higher total radical-trapping antioxidant parameter to uric acid ratio. The C-reactive protein and γ-glutamyl transpeptidase were increased only in the T3/T4 group. High levels of 3-NT were present only in T3/T4 patients. Our data suggested that a correlation exists between the Breslow thickness and a systemic pro-oxidant status, and that oxidative changes induced by the melanoma remain in the microenvironment post-surgery, demonstrating a role for oxygen species in melanoma.
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Affiliation(s)
- Sara Santos Bernardes
- Laboratory of Molecular Pathology, Department of General Pathology, State University of Londrina, PR445, Km 380, Londrina, PR 86057-970, Brazil
| | - Fernando Pinheiro de Souza-Neto
- Laboratory of Molecular Pathology, Department of General Pathology, State University of Londrina, PR445, Km 380, Londrina, PR 86057-970, Brazil
| | - Leandra Náira Zambelli Ramalho
- Department of Pathology and Legal Medicine, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Av Bandeirantes, 3900, Ribeirão Preto, SP 14049-900, Brazil
| | - Daniela Rudgeri Derossi
- Londrina Cancer Hospital, Rua Lucilla Ballalai, 212, Londrina, PR 86015-520, Brazil; Department of Pathology, Clinical and Toxicological Analysis, University Hospital, State University of Londrina, Av. Robert Koch, 60, Londrina, PR 86038-350, Brazil
| | - Flávia Alessandra Guarnier
- Department of Pathology and Legal Medicine, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Av Bandeirantes, 3900, Ribeirão Preto, SP 14049-900, Brazil
| | - Cássio Fernando Nunes da Silva
- Laboratory of Molecular Pathology, Department of General Pathology, State University of Londrina, PR445, Km 380, Londrina, PR 86057-970, Brazil
| | - Gabriella Pascoal Melo
- Laboratory of Molecular Pathology, Department of General Pathology, State University of Londrina, PR445, Km 380, Londrina, PR 86057-970, Brazil
| | - Andréa Name Colado Simão
- Department of Pathology, Clinical and Toxicological Analysis, University Hospital, State University of Londrina, Av. Robert Koch, 60, Londrina, PR 86038-350, Brazil
| | - Rubens Cecchini
- Laboratory of Pathophysiology and Free Radicals, Department of General Pathology, State University of Londrina, PR445, Km 380, Londrina, PR 86057-970, Brazil
| | - Alessandra Lourenço Cecchini
- Laboratory of Molecular Pathology, Department of General Pathology, State University of Londrina, PR445, Km 380, Londrina, PR 86057-970, Brazil.
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Kaurenoic Acid Possesses Leishmanicidal Activity by Triggering a NLRP12/IL-1β/cNOS/NO Pathway. Mediators Inflamm 2015; 2015:392918. [PMID: 26074677 PMCID: PMC4444587 DOI: 10.1155/2015/392918] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 04/24/2015] [Indexed: 01/18/2023] Open
Abstract
Leishmania amazonensis (L. amazonensis) infection can cause severe local and diffuse injuries in humans, a condition clinically known as American cutaneous leishmaniasis (ACL). Currently, the therapeutic approach for ACL is based on Glucantime, which shows high toxicity and poor effectiveness. Therefore, ACL remains a neglected disease with limited options for treatment. Herein, the in vitro antiprotozoal effect and mechanisms of the diterpene kaurenoic acid [ent-kaur-16-en-19-oic acid] (KA) against L. amazonensis were investigated. KA exhibited a direct antileishmanial effect on L. amazonensis promastigotes. Importantly, KA also reduced the intracellular number of amastigote forms and percentage of infected peritoneal macrophages of BALB/c mice. Mechanistically, KA treatment reestablished the production of nitric oxide (NO) in a constitutive NO synthase- (cNOS-) dependent manner, subverting the NO-depleting escape mechanism of L. amazonensis. Furthermore, KA induced increased production of IL-1β and expression of the inflammasome-activating component NLRP12. These findings demonstrate the leishmanicidal capability of KA against L. amazonensis in macrophage culture by triggering a NLRP12/IL-1β/cNOS/NO mechanism.
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Lemos LGT, Victorino VJ, Herrera ACSA, Aranome AMF, Cecchini AL, Simão ANC, Panis C, Cecchini R. Trastuzumab-based chemotherapy modulates systemic redox homeostasis in women with HER2-positive breast cancer. Int Immunopharmacol 2015; 27:8-14. [PMID: 25937481 DOI: 10.1016/j.intimp.2015.04.037] [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: 01/09/2015] [Revised: 04/07/2015] [Accepted: 04/17/2015] [Indexed: 12/22/2022]
Abstract
Trastuzumab is an immunotargeting therapeutic against breast tumors with amplification of the human epithelial growth factor receptor 2 (HER2). HER2 patients naturally exhibit disruption in the pro-oxidant inflammatory profiling; however, the impact of trastuzumab-based chemotherapy in modulating this process is still unknown. Here we determined the systemic pro-inflammatory profile of women diagnosed with HER2-amplified tumors, undergoing trastuzumab-based chemotherapy (TZ), and compared the results with that of healthy controls (CTR) and untreated patients with HER2-amplified breast cancer (CA). The plasmatic inflammatory profile was assessed by evaluating pro-oxidant parameters such as lipid peroxidation, total antioxidant capacity (TRAP), levels of advanced oxidation protein products (AOPPs), nitric oxide (NO), C-reactive protein (CRP), and total thiol content. Markers of cardiac damage were also assessed. Our findings showed increased NO levels in TZ than that in either CA or CTR groups. Furthermore, TZ augmented TRAP and reduced total thiol than that of the CA group. Our data also revealed that AOPP levels were significantly higher in the TZ than the CA group. AOPP and the MB fraction of creatine-kinase (CKMB) levels were positively correlated in TZ patients. These findings suggest that trastuzumab-associated chemotherapy can modulate the pro-inflammatory markers of HER2-positive breast cancer patients to the levels found in healthy controls.
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Affiliation(s)
- L G T Lemos
- Bone Marrow Transplantation Center, National Cancer Institute, INCA, Rio de Janeiro, Brazil
| | - V J Victorino
- Faculty of Medicine, University of São Paulo, USP, São Paulo, Brazil
| | - A C S A Herrera
- Bone Marrow Transplantation Center, National Cancer Institute, INCA, Rio de Janeiro, Brazil
| | - A M F Aranome
- Laboratory of Physiopathology and Free Radicals, Londrina State University, UEL, Londrina, Paraná, Brazil
| | - A L Cecchini
- Laboratory of Physiopathology and Free Radicals, Londrina State University, UEL, Londrina, Paraná, Brazil
| | - A N C Simão
- Universitary Hospital, Department of Pharmacy, State University of Londrina, Londrina, Paraná, Brazil
| | - C Panis
- Laboratory of Inflammatory Mediators, State University of West Paraná, UNIOESTE, Francisco Beltrão, Paraná, Brazil.
| | - R Cecchini
- Laboratory of Physiopathology and Free Radicals, Londrina State University, UEL, Londrina, Paraná, Brazil
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Cagnacci A, Cannoletta M, Palma F, Bellafronte M, Romani C, Palmieri B. Relation between oxidative stress and climacteric symptoms in early postmenopausal women. Climacteric 2015; 18:631-6. [PMID: 25536006 DOI: 10.3109/13697137.2014.999659] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES To evaluate the relation between climacteric symptoms or other risk factors for cardiovascular disease and oxidative status of postmenopausal women. METHODS Cross-sectional investigation performed at the outpatient service for the menopause at the University Hospital, on 50 apparently healthy women in physiological postmenopause. The whole-blood free oxygen radical test (FORT), free oxygen radical defence (FORD), age, months since menopause, weight, body mass index, waist circumference, waist-to-hip ratio, estradiol, lipids, glucose, insulin, insulin resistance (glucose/insulin and HOMA-IR), and fibrinogen were evaluated. The Greene Climacteric Scale with its subscales was used to evaluate climacteric symptoms. The pulsatility index, an index of downstream blood flow resistance, was determined for both the internal carotid artery and the brachial artery. RESULTS The waist-to-hip ratio (r = 0.540; p = 0.0001), estradiol (r = 0.548; p = 0.0004) and waist circumference (r = 0.345; p = 0.02) were independently related to blood FORT. The score in the Greene vasomotor subscale was the only parameter independently related to blood FORD (r = 0.554; p = 0.0001). FORT was not related to the artery pulsatility index, while FORD was negatively related to the pulsatility index of both the internal carotid (r = 0.549; p = 0.0001) and the brachial (r = 0.484; p = 0.0001) arteries. DISCUSSION In postmenopausal women, abdominal adiposity and hypoestrogenism increase oxidative stress. Climacteric symptoms, particularly vasomotor symptoms, markedly reduce antioxidant defences. Lower antioxidant defences are associated with higher resistance to blood flow in the great arteries. In women early after the menopause, visceral fat, hypoestrogenism and climacteric symptoms may increase the risk for cardiovascular disease.
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Affiliation(s)
- A Cagnacci
- Institute of Obstetrics and Gynecology, Department of Medical and Surgical Sciences of the Mother, Child and Adult, University of Modena and Reggio Emilia , Modena , Italy
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Santulli P, Chouzenoux S, Fiorese M, Marcellin L, Lemarechal H, Millischer AE, Batteux F, Borderie D, Chapron C. Protein oxidative stress markers in peritoneal fluids of women with deep infiltrating endometriosis are increased. Hum Reprod 2014; 30:49-60. [PMID: 25376454 DOI: 10.1093/humrep/deu290] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
STUDY QUESTION Are protein oxidative stress markers [thiols, advanced oxidation protein products (AOPP), protein carbonyls and nitrates/nitrites] in perioperative peritoneal fluid higher in women with histologically proven endometriosis when compared with endometriosis-free controls? SUMMARY ANSWER Protein oxidative stress markers are significantly increased in peritoneal fluids from women with deep infiltrating endometriosis with intestinal involvement when compared with endometriosis-free controls. WHAT IS KNOWN ALREADY Endometriosis is a common gynaecologic condition characterized by an important inflammatory process. Various source of evidence support the role of oxidative stress in the development of endometriosis. STUDY DESIGN, SIZE, DURATION We conducted a prospective laboratory study in a tertiary-care university hospital between January 2011 and December 2012, and included 235 non-pregnant women, younger than 42 year old, undergoing surgery for a benign gynaecological condition. PARTICIPANTS/MATERIALS, SETTING, METHODS After complete surgical exploration of the abdomino-pelvic cavity, 150 women with histologically proven endometriosis and 85 endometriosis-free controls women were enrolled. Women with endometriosis were staged according to a surgical classification in three different phenotypes of endometriosis: superficial peritoneal endometriosis (SUP), ovarian endometrioma (OMA) and deeply infiltrating endometriosis (DIE). Perioperative peritoneal fluids samples were obtained from all study participants. Thiols, AOPP, protein carbonyls and nitrates/nitrites were assayed in all peritoneal samples. MAIN RESULTS AND THE ROLE OF CHANCE Concentrations of peritoneal AOPP were significantly higher in endometriosis patients than in the control group (median, 128.9 µmol/l; range, 0.3-1180.1 versus median, 77.8 µmol/l; range, 0.8-616.1; P < 0.001). In a similar manner concentrations of peritoneal nitrates/nitrites were higher in endometriosis patients than in the control group (median, 24.8 µmol/l; range, 1.6-681.6 versus median, 18.5 µmol/l; range, 1.6-184.5; P < 0.05). According to the surgical classification, peritoneal fluids protein AOPP and nitrates/nitrites were significantly increased only in DIE samples when compared with controls (P < 0.001 and P < 0.05; respectively), whereas the others forms of endometriosis (SUP and OMA) showed non-statistically significant increases. We found positive correlations between peritoneal fluids AOPP concentrations, nitrites/nitrates levels and the total number of intestinal DIE lesions (r = 0.464; P < 0.001 and r = 0.366; P = 0.007; respectively). LIMITATIONS, REASONS FOR CAUTION Inclusion of only surgical patients may constitute a possible selection bias. In fact, our control group involved women who underwent surgery for benign gynaecological conditions. This specificity of our control group may lead to biases stemming from the fact that some of these conditions, such as fibroids, ovarian cysts or tubal infertility, might be associated with altered peritoneal proteins oxidative stress markers. WIDER IMPLICATIONS OF THE FINDINGS We demonstrate the existence of a significantly increased protein oxidative stress status in peritoneal fluid from women with endometriosis especially in cases of DIE with intestinal involvement. This study opens the way to future more mechanistics studies to determine the exact role of protein oxidative stress in the pathogenesis of endometriosis. Even if an association does not establish proof of cause and effect, these intrinsic biochemical characteristics of endometriosis may lead to the evaluation of therapeutic approaches targeting oxidative imbalance. STUDY FUNDING/COMPETING INTERESTS No funding was used for this study. The authors have no conflict of interest.
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Affiliation(s)
- Pietro Santulli
- Faculté de Médecine, AP-HP, Hôpital Cochin, Department of Gynecology Obstetrics II and Reproductive Medicine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France Faculté de Médecine, AP-HP, Hôpital Cochin, Laboratoire d'immunologie, Unité de recherche U1016, Equipe Batteux, Institut Cochin, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France Faculté de Médecine, Inserm, Unité de recherche U1016, Institut Cochin, CNRS (UMR 8104), Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Sandrine Chouzenoux
- Faculté de Médecine, AP-HP, Hôpital Cochin, Laboratoire d'immunologie, Unité de recherche U1016, Equipe Batteux, Institut Cochin, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France
| | - Mauro Fiorese
- Faculté de Médecine, AP-HP, Hôpital Cochin, Department of Gynecology Obstetrics II and Reproductive Medicine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France
| | - Louis Marcellin
- Faculté de Médecine, AP-HP, Hôpital Cochin, Department of Gynecology Obstetrics II and Reproductive Medicine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France Faculté de Médecine, Inserm, Unité de recherche U1016, Institut Cochin, CNRS (UMR 8104), Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Herve Lemarechal
- Service de Diagnostic Biologique Automatisé, AP-HP, Hôpital Cochin, Paris 75679, France
| | - Anne-Elodie Millischer
- Faculté de Médecine, AP-HP, Hôpital Cochin, Department of Gynecology Obstetrics II and Reproductive Medicine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France
| | - Frédéric Batteux
- Faculté de Médecine, AP-HP, Hôpital Cochin, Laboratoire d'immunologie, Unité de recherche U1016, Equipe Batteux, Institut Cochin, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France
| | - Didier Borderie
- Faculté de Médecine, AP-HP, Hôpital Cochin, Service de Diagnostic Biologique Automatisé, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France Faculté de Médecine, Inserm, Unité de recherché, UMR1124, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Charles Chapron
- Faculté de Médecine, AP-HP, Hôpital Cochin, Department of Gynecology Obstetrics II and Reproductive Medicine, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France Faculté de Médecine, AP-HP, Hôpital Cochin, Laboratoire d'immunologie, Unité de recherche U1016, Equipe Batteux, Institut Cochin, Université Paris Descartes, Sorbonne Paris Cité, Paris 75679, France Faculté de Médecine, Inserm, Unité de recherche U1016, Institut Cochin, CNRS (UMR 8104), Université Paris Descartes, Sorbonne Paris Cité, Paris, France
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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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