Relevant bibliographies by topics / Glutathione (GSH) and Glutathione peroxidase (GSH-Px)

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  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Glutathione (GSH) and Glutathione peroxidase (GSH-Px)'

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Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Glutathione (GSH) and Glutathione peroxidase (GSH-Px)"

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Nielsen, Søren Achim, and Søren Toft. "Responses of Glutathione S-transferase and Glutathione Peroxidases to Feeding Rate of a Wolf Spider Pardosa prativaga." Alternatives to Laboratory Animals 26, no. 4 (1998): 399–403. http://dx.doi.org/10.1177/026119299802600408.

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Groups of large juvenile wolf spiders ( Pardosa prativaga) were kept on constant Drosophila melanogaster rations of 0 (starvation), 1, 2, 3.5, 7, 14 or 28 flies per week, or ad libitum feeding. After 3–4 weeks, they were sacrificed and the activities of three biomarker enzyme systems — glutathione S-transferase (GST) with chlorodinitrobenzene as substrate, glutathione peroxidase with H2O2 as substrate (GSH-Px[H2O2]), or glutathione peroxidase with t-butyl-hydroperoxide as substrate (GSH-Px[TBH]) — were assayed. Two systems (GST and GSH-Px[H2O2]) showed decreasing enzyme activity with increasin
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Robbins, Charles T., Steven M. Parish, and Barbara L. Robbins. "Selenium and glutathione peroxidase activity in mountain goats." Canadian Journal of Zoology 63, no. 7 (1985): 1544–47. http://dx.doi.org/10.1139/z85-229.

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Blood glutathione peroxidase (GSH-Px) activity in mountain goats (Oreamnos americanus) is a linear function of blood selenium. GSH-Px activity per unit of selenium (Se) in mountain goats is approximately double that published for the domestic cow and horse. It is hypothesized that high GSH-Px activity per unit selenium in mountain goats reduces their dietary selenium requirement relative to the above domestic species and is an essential adaptation for occupying low-selenium environments. GSH-Px activity peaked 20–30 days after injections of 0.1 and 0.3 mg Se/kg. A higher dose of 0.5 mg Se/kg d
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Simmons, T. W., and I. S. Jamall. "Significance of alterations in hepatic antioxidant enzymes. Primacy of glutathione peroxidase." Biochemical Journal 251, no. 3 (1988): 913–17. http://dx.doi.org/10.1042/bj2510913.

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The relative contributions of catalase and the selenoenzyme glutathione peroxidase (GSH-Px) were elucidated in the rat liver by selectively modulating the activities of these enzymes using dietary selenium (Se) and the catalase inhibitor 3-amino-1,2,4-triazole (3-AT). Increased peroxidation occurred only in Se-deficient rats with markedly reduced cytosolic and mitochondrial GSH-Px activities. Although 3-AT treatment resulted in a 75% reduction of hepatic catalase activity and also a 20% reduction of both cytosolic and mitochondrial superoxide dismutase (SOD) activity, no incremental increase i
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Ali, Abdellah, and Phalisteen Sultan. "The Effects of Hyperthyroidism on Lipid Peroxidation, Erythrocyte Glutathione and Glutathione Peroxidase." Journal of Medical Biochemistry 30, no. 1 (2011): 11–14. http://dx.doi.org/10.2478/v10011-010-0048-1.

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The Effects of Hyperthyroidism on Lipid Peroxidation, Erythrocyte Glutathione and Glutathione PeroxidaseThe aim of this study was to determine if lipid peroxidation, glutathione, and glutathione peroxidase levels can be effected by hyperthyroidism. Twenty-three subjects with hyperthyroidism (18 females/5 males), and 19 euthyroid subjects (11 females/8 males) were examined in this study. Plasma and erythrocytes malondialdehyde (MDA), erythrocytes glutathione (GSH) and glutathione peroxidase (GSH-PX) were measured. Results show that an increase in lipid peroxidation was observed in the hyperthyr
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Bocanegra, Aránzazu, Juana Beneduí, and Francisco J. Sé nchez-Muniz. "Differential effects of konbu and nori seaweed dietary supplementation on liver glutathione status in normo- and hypercholesterolaemic growing rats." British Journal of Nutrition 95, no. 4 (2006): 696–702. http://dx.doi.org/10.1079/bjn20051682.

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The effects of six balanced diets for 3 weeks on dietary intake, growth, liver weight and fat, plasma cholesterol, total antioxidant capacity, liver glutathione status and antioxidant enzymes in growing male Wistar rats were studied. Ten rats per group were fed casein- and soyabean-based diets with or without 2·4% cholesterol-raising agent. Seven percent of the diet consisted of a cellulose–wheat starch mix (35:65; control diets), freeze-dried nori (nori diets) or konbu (konbu diets). The 7% dietary supplement of seaweeds was well accepted and induced normal growth rates in rats. Except for fo
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Cichoski, Alexandre José, Renata Bezerra Rotta, Gerson Scheuermann, Anildo Cunha Junior, and Juliano Smanioto Barin. "Investigation of glutathione peroxidase activity in chicken meat under different experimental conditions." Food Science and Technology 32, no. 4 (2012): 661–67. http://dx.doi.org/10.1590/s0101-20612012005000107.

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Due to the fact that previous studies on the enzymatic activity of Glutathione peroxidase (GSH-Px) diverge widely in their methodology and results, this study aimed to investigate the influence of different analytical conditions on GSH-Px activity in chicken thighs from broilers that were fed different diets with different sources and concentrations of selenium. GSH-Px activity was evaluated six hours after slaughter and 120 days after frozen storage at -18 ºC. The different analytical conditions included time of pre-incubation (0, 10 and 30 minutes), reaction medium, types of substrate (H2O2
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Gökçek, İshak, and Ahmet Gözer. "Are cardiac and oxidant-antioxidant status different in female cats in sexual cycle." Veteriner Hekimler Derneği Dergisi 96, no. 1 (2025): 23–31. https://doi.org/10.33188/vetheder.1527937.

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This study aimed to investigate the levels of cardiac troponin I (cTnI), malondialdehyde (MDA), glutathione (GSH), and glutathione peroxidase (GSH-Px) during the sexual cycle in domestic female cats. For this purpose, blood samples were collected from twenty-six cats, with an equal number of animals in each group. The cats were divided into two groups luteal and non-luteal periods based on their progesterone levels. Malondialdehyde was used to assess the oxidant status, while GSH and GSH-Px were used to evaluate the antioxidant status. Cardiac troponin I levels were measured to assess cardiac
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Okvenda, Ariani Zaltin, Eti Yerizel, and Raveinal. "Olive oil increase catalase activity and gluthatione peroxidase level in hyperglycemic rats." Acta Biochimica Indonesiana 6, no. 2 (2023): 137. http://dx.doi.org/10.32889/actabioina.137.

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Background: Diabetes mellitus is the most common endocrine disease globally. Hyperglycemia in diabetes mellitus is known to trigger oxidative stress. The activity of glutathione peroxidase (GSH-Px) is decreased in diabetic conditions. Catalase activity acts as a defense system to prevent the formation of free radicals (oxidants) in the human body. Objective: This study aimed to determine the effectiveness of olive oil antioxidants on catalase activity and GSH-Px levels in hyperglycemic rats. Methods: Adult male Wistar rats were randomized into three groups (n: 8): untreated control (Control),
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Samson, Judith, Jon T. Jorgenson, and W. D. Wishart. "Glutathione peroxidase activity and selenium levels in Rocky Mountain bighorn sheep and mountain goats." Canadian Journal of Zoology 67, no. 10 (1989): 2493–96. http://dx.doi.org/10.1139/z89-352.

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Selenium levels and glutathione peroxidase (GSH-Px) activity were determined in the blood of wild and captive herds of bighorn sheep (Ovis canadensis), as well as in one wild mountain goat (Oreamnos americanus) herd. No significant relationship was established between blood selenium and GSH-Px activity for individual herds of bighorns, but when all herds were pooled, selenium was significantly (P < 0.01) correlated with GSH-Px. The hypothesis that bighorn sheep would exhibit higher GSH-Px activity per unit of blood selenium than domestic cattle was not supported. One bighorn population had
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Ceballos-Picot, Iréne, Jean-Marc Trivier, Annie Nicole, Pierre-Marie Sinet, and Marc Thevenin. "Age-Correlated Modifications of Copper-Zinc Superoxide Dismutase and Glutathione-Related Enzyme Activities in Human Erythrocytes." Clinical Chemistry 38, no. 1 (1992): 66–70. http://dx.doi.org/10.1093/clinchem/38.1.66.

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Abstract To obtain a comprehensive profile of the erythrocyte antioxidant defense potential during aging, we investigated copper-zinc superoxide dismutase (CuZn-SOD), seleno-dependent glutathione peroxidase (GSH-Px), glutathione reductase (GSSG-RD), and glutathione-S-transferase (GSH-S-T) activities in human erythrocytes from 167 apparently healthy subjects, ages one month to 63 years (102 females, 65 males). We found a negative correlation between age and activities of CuZn-SOD (r = 0.362, P less than 0.001), GSSG-RD (r = 0.549, P less than 0.001), and GSH-S-T (r = 0.575, P less than 0.001).
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Dissertations / Theses on the topic "Glutathione (GSH) and Glutathione peroxidase (GSH-Px)"

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Brown, Erin. "Modulation of intracellular GSH in THP-1 cells during oxidative stress induced by AAPH." Thesis, University of Canterbury. School of Biological Sciences, 2006. http://hdl.handle.net/10092/2629.

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The human monocyte-derived THP-1 cell line was incubated with 10mM AAPH in Earle’s Balanced Salt Solution at 37°C for up to 24 hours. Protein hydroperoxide formation occurred after an 8 hour lag phase which corresponded to glutathione loss observed in the cells. SDS-Page analysis confirmed protein degradation occurred after 6 hours. Cell viability measured by the MTT reduction assay also dropped after 8 hours. Reduction of intracellular glutathione levels using BSO caused reduction of the lag phase seen in protein hydroperoxide formation. Cell viability of BSO-treated cells was lower than cont
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Liu, Chia-chi. "Oxidation of ascorbate by protein radicals in simple systems and in cells." Phd thesis, Australia : Macquarie University, 2007. http://hdl.handle.net/1959.14/16746.

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Thesis (PhD) -- Macquarie University, Division of Environmental and Life Sciences, Dept. of Chemistry and Biomolecular Sciences, 2007.<br>Bibliography: leaves 295-322.<br>Generation of peroxide groups in proteins exposed to a wide variety of reactive oxygen species (ROS) requires an initial formation of protein carbon-centred or peroxyl free radicals, which can be reduced to hydroperoxides. Both protein radicals and protein hydroperoxides are capable of oxidizing important biomolecules and thus initiate biological damage. In this study, we investigated the inhibition of protein hydroperoxide f
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Book chapters on the topic "Glutathione (GSH) and Glutathione peroxidase (GSH-Px)"

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Nabi, Shabnum. "Toxic Responses of the Plasma Glutathione Peroxidase (GSH-Px)." In Toxic Effects of Mercury. Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-1922-4_19.

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Parantainen, J., S. Sankari, and F. Atroshi. "Biological Functions of Silicon, Selenium, and Glutathione Peroxidase (Gsh-Px) Explained in Terms of Semiconduction." In Trace Elements in Man and Animals 6. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-0723-5_119.

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Thomson, C. D., M. F. Robinson, and P. D. Whanger. "Selenium (Se) and Glutathione Peroxidase (GSH-Px) in Blood Components of NZ Women During Long Term Supplementation with Selenate or Selenomethionine (Semet)." In Selenium in Biology and Medicine. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74421-1_50.

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Wilke, B., M. Vidailhet, C. Guillemin, et al. "PLASMA AND ERYTHROCYTE SELENIUM (Se), GLUTATHIONE PEROXYDASE (GSH-Px), MALONDIALDEHYDE (MDA) AND PLASMA LIPID HYDROPEROXIDES (LH) AS A FUNCTION OF Se SUPPLEMENTATION IN 12 TREATED PHENYLKETONURIC (PKU) CHILDREN." In Selenium in Medicine and Biology, edited by Jean Nève and Alain Favier. De Gruyter, 1988. http://dx.doi.org/10.1515/9783110861990-059.

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Moriuchi, Tetsuya. "Glutathione peroxidase: preparation of haemolysate and cell homogenates/fixation of tissue/RNA extraction." In Experimental protocols for reactive oxygen and nitrogen species. Oxford University PressOxford, 2000. http://dx.doi.org/10.1093/oso/9780198506683.003.0062.

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Abstract This protocol is used to prepare a variety of samples for comprehensive analysis of cellular glutathione peroxidase (GSH-Px) in the rat. To obtain reliable results, the following steps should be taken before preparation of samples.
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Takahashi, Kazuhiko. "Glutathione peroxidase: coupled enzyme assay." In Experimental protocols for reactive oxygen and nitrogen species. Oxford University PressOxford, 2000. http://dx.doi.org/10.1093/oso/9780198506683.003.0020.

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Abstract Glutathione peroxidase (GPx) is a cytosolic selenocysteine-containing enzyme that catalyses the reduction of many hydroperoxides (ROOH: hydrogen peroxide, fatty acid hydroperoxides and phospholipid hydroperoxides) in the presence of glutathione (GSH).
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Aki, Kenji. "Glutathione reductase." In Experimental protocols for reactive oxygen and nitrogen species. Oxford University PressOxford, 2000. http://dx.doi.org/10.1093/oso/9780198506683.003.0021.

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Abstract Glutathione reductase (ECI .6.4.2) catalyses the reduction of GSSG by NADPH, producing 2 mol GSH from 1 mol GSSG. The enzyme contains FAD and redox-active disulfide at the active centre (1). The optimum pH is broad and centred at pH 7.6. The reaction is irreversible reduction of GSSG and its metabolic function is, therefore, to supply GSH. GSH is utilized in two types of reaction—it is the substrate for enzymes such as glutathione peroxidase and it is a non-enzymatic reducing equivalent in the cell. The enzyme is distributed widely in aerobic life forms and is located in the cytoplasm
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Clair, Daret K. St, and Ching K. Chow. "Glutathione peroxidase: activity and steady-state level of Mrna." In Free Radicals. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780199635603.003.0016.

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Abstract Glutathione peroxidase (glutathione: H2O2 oxidoreductase, EC 1.11.1.9) was first reported by Mills in 1957 in erythrocytes (1) and later in the liver of various species (2). The enzyme catalyses the reduction of hydroperoxides by reduced glutathione (GSH) to their corresponding alcohols. The ability of GSH peroxidase to reduce various hydroperoxides has led to the proposal of the role of the enzyme in protecting tissues against oxidative damage to critical biomembranes and macromolecules (3, 4).
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Demir, Halit, and Mahmut İlker Yılmaz. "Determination of some antioxidant activities in food supplement mixture fruit containing Noni (Morinda citrifolia), Vitamin B3, Zinc, Vitamin B1, Coenzyme Q10 and Chromium." In Current Researches in Health Sciences-IV. Özgür Yayınları, 2023. http://dx.doi.org/10.58830/ozgur.pub387.c1599.

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Nitric oxide has important functions in cardiovascular, neurological, immunological and many biological systems). Noni (Morinda citrifolia) has been found to have antitumor, antiproliferative, proapoptotic, anti-angiogenesis, anti-migratory, anti-inflammatory and immunomodulatory activities. The aim of this study is to determine some antioxidant activities in food supplement mixture fruit containing Noni (Morinda citrifolia), Vitamin B3, Zinc, Vitamin B1, CoenzymeQ10 and Chromium. In this study, antioxidant activities were determined by spectrophotometric method. While the MDA level was found
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Joaquim, VHA, TP Maia, C. Werlang-Coelho, et al. "COMPARISON BETWEEN HIGH INTENSITY INTERVAL TRAINING AND MODERATE INTENSITY CONTINUOUS TRAINING ON MARKERS OF OXIDATIVE STRESS AND ENERGY METABOLISM IN THE SKELETAL MUSCLE OF HIGH-FAT DIET RATS." In Medicina do Exercício e do Esporte: evidências científicas para uma abordagem multiprofissional - Volume 2. Editora Científica Digital, 2022. http://dx.doi.org/10.37885/230312554.

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Aim: We evaluated energy metabolism and oxidative stress adaptations induced by high-intensity interval training (HIIT) versus moderate intensity continuous training (MICT) in the gastrocnemius muscle of high-fat diet (HFD) fed rats. Main methods: Animals received 8 weeks of HFD or normal diet (ND), followed by 9 weeks of HFD or ND and the two physical exercise interventions (HIIT or MICT). The gastrocnemius muscle was selected for the oxidative stress and energy metabolism analysis. Key findings: Although the body weight of experimental groups did not change, HFD caused significantly higher a
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Conference papers on the topic "Glutathione (GSH) and Glutathione peroxidase (GSH-Px)"

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Erzhen, Zen, Lu Yung-Cai, Wang Jain, et al. "EXPERIMENTAL STUDIES ON THE MECHANISM OF CHINESE MEDICINAL RHAPONTICUM UNIFLORUM DC IN PREVENTING CORONARY HEART DISEASE." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643029.

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The mechanism of Rhaponticum Uniflorum DC in preventing coronary heart disease was studied in vivo and in vitro. TBA fluorescent method was used to determine lipid peroxides (Lpo) and double analysis method was used to determine glutathione peroxidase (GSH-Px) activity and fluorescent polarization of DPH probed membrane fluidity of smooth muscle cell (SMC).Rabbits were fed with high fat diet for 120 days. At the end of experiment, all the animals acquired hyperlipidemia and developed atheroma lesions in aorta and/or coronary. It was found that hyperlipidemia caused a rising of Lpo in blood (fr
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Wadallah YOUSIF, Salwan, and Khansaa Azeez YONIS. "ANTIOXIDANT EFFECT OF AQUEOUS EXTRACT OF (DIANTHUS CARYOPHYLLUS L.) ON MICE EXPOSED TO OXIDATIVE STRESS." In VIII.International ScientificCongressofPure,AppliedandTechnological Sciences. Rimar Academy, 2023. http://dx.doi.org/10.47832/minarcongress8-17.

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This study aims to investigated the antioxidant effect of the aqueous extract of cloves (Dianthus caryophyllus.L) at a concentration of, 150 mg / kg of body weight. on stress oxidative induced by hydrogen peroxide H2O2 at a concentration of 1% on male mice Swiss, as some biochemical variables were measured in blood serum, such as vitamin C and vitamin E,The level of glutathione was also measured GSH and malondialdehyde MDA, and the superoxide enzyme dysmutasis SOD, where the results showed that the treatment with H2O2 led to a significant decrease compared with the control group, treatment wit
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Ismail, Rabah Mahmoud Ahmad, Edith Ajiroghene Enemose, Marwa Al-Jamal, Sathish Kumar Ramachandran, Hashem Al-Mattarneh, and Durgaprasad Gangodkar. "Co-MoF Derived Colorimetric Sensors for Detection of Environmental Toxic Heavy Metal Analysis." In International Conference on Recent Advancements in Biomedical Engineering. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/p-6pqbv5.

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The Co-MoF was identified as better catalyst for colorimetric sensing for effective detection of Hg2+ ions. The mimicking activities and oxidise the TMB in the existence of hydrogen peroxide (H2O2) to create a blue-colored sample. The oxidation of TMB was greatly delayed or reduced in the existence of bio-molecule Glutathione since of its stronger cations to repair capability. GSH substrates are oxidised when Hg2+ is introduced because of the higher interaction of mercury ions for GSH's thiol groups. Hg2+ concentrations ranged from 1 to 50 nM, and it exhibits a LOD of 0.28 nM reached in this s
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Reports on the topic "Glutathione (GSH) and Glutathione peroxidase (GSH-Px)"

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หลุยเจริญ ชีพสุนทร, ชาลิสา, та พูลลาภ ชีพสุนทร. ผลของภาวะพร่องเอนไซม์ G6PD ต่อการเสื่อมของเซลล์ไตในโรคเบาหวาน. คณะแพทยศาสตร์ จุฬาลงกรณ์มหาวิทยาลัย, 2018. https://doi.org/10.58837/chula.res.2018.30.

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เอนไซม์ glucose 6-phosphate dehydrogenase (G6PD) เป็นเอนไซม์ที่พบได้ในทุกเซลล์ของร่างกาย มีหน้าที่สร้าง nicotinamide adenine dinucleotide (NADPH) จากวิถี pentose phosphate pathway (PPP) เพื่อช่วยป้องกันภาวะ oxidative stress ภายในเซลล์ด้วยการรักษาระดับ reduced glutathione (GSH) ความผิดปกติที่เกิดขึ้นกับเอนไซม์ G6PD ส่งผลกระทบต่อเซลล์จากภาวะ oxidative stress เช่น ภาวะพร่องเอนไซม์ G6PD สามารถเหนี่ยวนำให้เซลล์ไตเกิด apoptosis และ nephropathy นอกจากนี้ยังพบภาวะพร่องเอนไซม์ G6PD เพิ่มสูงขึ้นในผู้ป่วยเบาหวานเมื่อเทียบกับคนปกติ ด้วยเหตุนี้จึงเป็นที่มาของการศึกษาวิจัยบทบาทของภาวะพร่องเอนไซม์ G6PD ในเซล
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