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Dissertations / Theses on the topic 'Antioxidant defense systems'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Xu, Chenping. "The effects of solar ultraviolet-B on the proteome and antioxidant defense systems in soybean leaves." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6762.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Natural Resource Sciences. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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2

Cicerali, Isin Nur. "Effect Of Salt Stress On Antioxidant Defense Systems Of Sensitive And Resistant Cultivars Of Lentil (lens Culinaris M.)." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/12605248/index.pdf.

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ABSTRACT EFFECT OF SALT STRESS ON ANTIOXIDANT DEFENSE SYSTEMS OF SENSITIVE AND RESISTANT CULTIVARS OF LENTIL Cicerali, Iin Nur M.Sc., Department of Biotechnology Supervisor: Prof. Dr. Meral Y&uuml<br>cel Co-supervisor: Asst. Prof. Dr. F&uuml<br>sun (nci) Eyidoan June 2004, 90 pages In this study, two lentil cultivars (Lens culinaris, Medik.) (ILL5582-salt tolerant and ILL590) were characterized and compared due to their NaCl susceptibility and antioxidant mechanism was examined under laboratory conditions. Physiological parameters such as wet-dry weight, root-shoot lengths, cell membrane stabi

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3

Bond, Jennifer M. "Investigations on antioxidant defence proteins and peptides." Thesis, Cranfield University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278723.

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4

Bender, Holly S. "The actions of gossypol on the physiologic antioxidant defense system." Diss., Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/82901.

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Gossypol , a yellow polyphenolic pigment found in cottonseeds, is known to promote the production of reactive species of oxygen in vitro, and has toxic actions on spermatogenic epithelium, hepatocytes and cardiac myocytes in vivo. Species vary in tissue sensitivity to the toxic effects of gossypol. The spermatogenic epithelium is the most sensitive tissue to gossypol in rats, followed by the liver. Toxic effects to the rat heart are found only after prolonged administration of gossypol. The antioxidant defense system that protects cells from injury by reactive species of oxygen was examined in

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5

Carville, David Gerald Michael. "The effect of copper status on blood antioxidant defence enzymes." Thesis, University of Ulster, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328211.

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6

Kunikowska, Grazyna Maria. "Alterations of antioxidant enzymes following manipulations of basal ganglia : relevance to the pathogenesis of Parkinson's disease." Thesis, King's College London (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313737.

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7

Rodrigues, Patrícia Marques. "Nevirapine in an animal model of pre-diabetes: study of drug pharmacokinetic and its effects on fasting glycemia and insulin resistance." Master's thesis, Faculdade de Ciências e Tecnologia, 2014. http://hdl.handle.net/10362/11103.

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Dissertação para obtenção do Grau de Mestre em Biotecnologia<br>The increased incidence of type II diabetes has emerged as a major concern in controlled human immunodeficiency virus (HIV)infection. There is a general lack of data to support the best combined antiretroviral therapy (cART) option to treat HIV-patients with pre-diabetes and nevirapine has been described has a glucose-friendly antiretroviral. On the other hand, it is known that diabetes could influence the pharmacokinetics of several drugs. This aspect is particularly relevant for drugs with narrow therapeutic window, which is th

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8

Murphy, Kelsey E. "BBB-bypassing polysaccharide mini-GAGR activates the neuronal Nrf2- mediated antioxidant defense system for the treatment of Alzheimer’s disease." University of Toledo Health Science Campus / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=mco1576192220098119.

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9

Ercan, Oya. "Effect Of Drought And Salt Stresses On Antioxidant Defense System And Physiology Of Lentil (lens Culinaris M.) Seedlings." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609250/index.pdf.

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In this study, 14 days old lentil seedlings (Lens culinaris Medik cv. Sultan), which were subjected to 7 days of drought (20% PEG 6000), and salt (150 mM NaCl ) stress , were examined in a comparative manner for the effects of drought and salt stress treatments. In shoot and root tissues physiological parameters such as wet-dry weight, relative water content, root-shoot lengths, membrane electrolyte leakage, and lipid peroxidation in terms of malondialdehyde (MDA) were determined. H2O2 content, proline accumulation and chlorophyll fluorescence analysis were also performed. Changes in the activ

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10

Yang, Feili Lo. "Effects of selenium status, fish oil consumption and submaximal exercise training on the selenium-related antioxidant defense system of rats /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487677267731233.

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11

Marthandan, Shiva Shankar. "Antioxidents or reduced oxygen tension as a defense system in T cells ex vivo and in vitro." Thesis, Nottingham Trent University, 2009. http://irep.ntu.ac.uk/id/eprint/28/.

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Age-related deterioration and dysregulation of T cell function, termed ‘immunosenescence’, may lead to increased mortality and morbidity in humans through greater susceptibility to infections and disease. Previous research from the group of Barnett, suggested that oxidative stress may play a role in the immunosenescence process, through resultant genomic instability, cell cycle delay and arrest. The aim of this research programme was to investigate the effect of the antioxidants, ebselen, NAcetyl L- Cysteine (NAC) or mitoQ or reduced oxygen (O2) tension on markers of T cell function and integr

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12

Peryzhniak, A. I. "The state of the system of free radical oxidation and the antioxidant defense system of the body in newborns with impaired functional state of the cardiovascular system." Thesis, БДМУ, 2022. http://dspace.bsmu.edu.ua:8080/xmlui/handle/123456789/19574.

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13

Freitas, ValdinÃia Soares. "Polyamines and ethylene metabolisms and antioxidative defense system induction in two maize genotypes contrasting in salinity tolerance." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=15060.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>Polyamines and ethylene have been cited as important regulators of plant growth and development, and may be involved in plant defense against several abiotic stresses, such as salinity. To withstand with salt harmful effects, plants respond through a coordinated set of physiological and molecular responses to improve their performance under salinity. In order to test the hypothesis that salt tolerance degree in maize genotypes is related to changes in polyamine metabolism associated with ethylene production, two experiments were per

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14

Rosa, Andréa Pereira. "Estresse oxidativo como um mecanismo dos efeitos deletérios causados pela hiperglicemia neonatal em cérebro de ratos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/183005.

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A diabetes é um distúrbio endócrino do metabolismo dos carboidratos, clinicamente caracterizada por hiperglicemia, resultante da incapacidade do organismo em secretar insulina, defeitos na sua ação ou ambos. Na última década, houve um crescente aumento no número de trabalhos sobre a múltipla hereditariedade de um tipo de diabetes rara e não imunológica diagnosticada antes dos 6 meses de vida, a diabetes neonatal (DN). A maioria dos estudos, existentes na literatura referentes à DN, foi realizada em pacientes e aborda principalmente aspectos clínicos, etiológicos e terapêuticos. No entanto, exi

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15

"EFFECT OF SALT STRESS ON ANTIOXIDANT DEFENSE SYSTEMS OF SENSITIVE AND RESISTANT CULTIVARS OF LENTIL (Lens culinaris M.)." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/12605248/index.pdf.

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16

Carreira, Rodrigo Barreto. "Evaluation of antioxidant effects of mitochondria-targeted polyphenolic agents in Human Skin Fibroblasts." Master's thesis, 2019. http://hdl.handle.net/10316/86587.

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Dissertação de Mestrado em Biologia apresentada à Faculdade de Ciências e Tecnologia<br>A mitocôndria é o centro de vários processos celulares, incluindo o balanço redox que é fundamental para o controle de vias relacionadas com as decisões de vida ou morte celular. Apesar dos conhecidos efeitos de antioxidantes e seus resultados satisfatórios em neutralizar a prejudicial desregulação na interação de vias redox in vitro, o seu sucesso terapêutico é limitado devido a limitações farmacocinéticas. Neste sentido, foram feitos esforços para desenvolver moléculas bioativas baseadas em antioxidantes

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17

Wang, Po-Ping, and 王柏蘋. "Response of Sucrose-Starvation Induced Antioxidant Defense System in Rice Suspension Cells." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/34534037685484426175.

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碩士<br>國立中興大學<br>農藝學系所<br>102<br>This study focuses on the effect of sugar starvation on the response of antioxidative defense system in rice suspension cells (Tainung 67, Oryza sativa L.). Sugar starvation decreased fresh weight and dry weight of suspension cells, as well as protein content and cell viability. No significant changes of MDA and H2O2 were detected in the cells, however, notable accumulation of H2O2 was found in medium. Activity of SOD and CAT was increased under sugar starvation in suspension cells. In addition, activity of NADPH oxidase was increased indicating that O2·- genera

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18

Chi, Ke-Heng, and 紀科衡. "Responses of Growth and Antioxidant Defense System of Corn to the Acid Stress." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/80901629483063916321.

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碩士<br>國立中興大學<br>農藝學系所<br>95<br>The purpose of this experiment is to explore the effect of stimulated acid stress on germination and V3-seedling growth of maize. Maize seeds were treated with acid solutions of different pH values, i.e. 2.0, 2.5, 3.0, 4.0, 5.0, and 5.5, respectively. The results showed that the acid solutions of pH 2.5 and 2.0 had a significant decrease in germination rate, radicle and coleoptile growth. In addition, the acid stress of pH 2.5 decreased significantly in α-amylase activity, starch decomposition, glucose and sucrose synthesis in germinating seeds; also accumu

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19

Jie-MaoChen and 陳傑茂. "Effects of Superoxide dismutase、Oleuropein on antioxidant defense system in cellular oxidative stresses." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/z2r85p.

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20

Lee, Shu-hua, and 李淑華. "Adaptation of Antioxidant Defense System to ROS in Human Blood during Physical Fitness Training." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/64931449981153168379.

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碩士<br>嘉南藥理科技大學<br>生物科技研究所<br>92<br>Generation of free radical is a part of normal metabolic processes, which can be neutralized by elaborating the antioxidant defense system. Physical activities may elicit an imbalance between the level of reactive oxygen species (ROS) and antioxidants, which is referred to as oxidative stress. On the other hand, one of the benefits of programmed physical training is that the increased modulate antioxidants defense system will enhance the quenching rate of the overproduced ROS during exercise. In order to elucidate the relationship between ROS homeostasis and

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21

Chen, Siang-Lian, and 陳香蓮. "The Influence of Heavy Metal Treatment on the Antioxidant Defense System of Four Plants." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/62674874593685665335.

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碩士<br>國立臺灣大學<br>森林環境暨資源學研究所<br>103<br>Illegal discharge of untreated industrial waste water or industrial waste, leads to farmland nearby suffered heavy metal contamination during irrigation. In Taiwan, agricultural land sites contaminated with the pollution of cadmium (Cd) , copper (Cu) , chromium (Cr) , nickel (Ni) , zinc (Zn) , lead (Pb) the most. Most of the plants expose to heavy metal pollution will produce oxygen free radicals, resulting in oxidative stress . However, plants develop a series of antioxidant defense system to resist the heavy metal stress, which contains many antioxidant

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22

Company, Rui. "Antioxidant defence systems in the deep-sea mussel Bathymodiolus azoricus from Mid-Atlantic Ridge hydrothermal vents." Doctoral thesis, 2005. http://hdl.handle.net/10400.1/7616.

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Tese de Doutoramento, Filosofia em Ciências e Tecnologias do Ambiente, Faculdade das Ciências do Mar e do Ambiente, Universidade do Algarve, 2005<br>A descoberta das fontes hidrotermais em 1977 foi um dos eventos oceanográficos mais importantes do século 20. Estes sistemas marinhos localizados nas cordilheiras médio-oceânicas, são caracterizados pela presença de compostos considerados tóxicos noutros ambientes, como o sulfureto de hidrogénio, metano, dióxido de carbono e em particular metais que provém dos fluidos hidrotermais e por isso são geralmente considerados um dos ambientes mais tóxic

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23

Lee, Shu-Chen, and 李淑貞. "The Effect of High Fat Diet on Antioxidant Defense System and Lipids in Folate-deficient Spraque-Dawley Rat." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/41126196558617139661.

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碩士<br>靜宜大學<br>食品營養學系<br>89<br>The objective of this study was to investigate the effects between normal or high fat diet on antioxidant defense system and lipid metabolism in folate deficiency rats. Weanling male Spraque-Dawley rats were fed normal 16% fat content and 30% fat content with 0 or 4.5μmol folic acid/kg diet for 8 weeks. To inhibit GI microflora produced folate, 1% succinylsulfathiazole was added to the folate deficient diet. The results indicated that when fed normal folate diet, cumulative food intake of high fat diet was 1149.35±20.17g. The data was lower than in normal diet

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24

Chan, Jui-Chi, and 詹叡耆. "Role of Defective Antioxidant Defense System in the Impairment of Adipogenic Differentiation of Human Adipose-derived Mesenchymal Stem Cell with Sirt3 Knockdown." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/64929324094544517696.

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碩士<br>國立陽明大學<br>生化暨分子生物研究所<br>102<br>Mitochondria play important roles in the differentiation and functioning of stem cells. Abundant evidence has shown that mitochondrial dysfunction in adipocytes is associated with type 2 diabetes. However, the mechanism by which mitochondrial dysfunction causes type 2 diabetes remains to be elucidated. In this study, the roles that sirtuin 3 (SIRT3), a mitochondrial protein, plays in adipogenic differentiation, mitochondrial biogenesis and antioxidant defense system of adipocytes differentiated from human adipose tissue-derived mesenchymal stem cells (ad

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