journal
MENU ▼
Read by QxMD icon Read
search

Redox Report: Communications in Free Radical Research

journal
https://www.readbyqxmd.com/read/28320258/sex-differences-in-oxidative-stress-after-eccentric-and-concentric-exercise
#1
Magdalena Wiecek, Marcin Maciejczyk, Jadwiga Szymura, Zbigniew Szygula
OBJECTIVES: Comparison of redox balance changes in the blood of women and men as a result of submaximal eccentric (ECC) and concentric (CONC) efforts. METHODS: 10 women and 10 men performed three 45-minute submaximal treadmill runs at constant velocities (downhill run - ECC, uphill run - CONC and level run). Prior to the 45-minute exercises, after their completion and following 24 hours of recovery, the concentration of lactate, oxidized low-density lipoprotein (ox-LDL), 3-nitrotyrosine, uric acid (UA) and the white blood cell count (WBC), neutrophil (NEUT), lymphocyte (LYMPH) and monocyte content in the blood were determined...
March 20, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28288548/upregulated-glutathione-transferase-omega-1-correlates-with-progression-of-urinary-bladder-carcinoma
#2
Tatjana Djukic, Tatjana Simic, Marija Pljesa-Ercegovac, Marija Matic, Sonja Suvakov, Vesna Coric, Dejan Dragicevic, Ana Savic-Radojevic
OBJECTIVES: Newly discovered glutathione transferase omega 1 (GSTO1-1) plays an important role in the glutathionylation cycle, a significant mechanism of protein function regulation. GSTO1-1 expression pattern has not been studied in transitional cell carcinoma (TCC), as yet. METHODS: A total of 56 TCC tumor and corresponding non-tumor specimens were investigated. Glutathione content and thioltransferase activity were measured spectrophotometrically. Protein-glutathione mixed disulfides were measured fluorimetrically...
March 13, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28288542/the-role-of-the-saliva-antioxidant-barrier-to-reactive-oxygen-species-with-regard-to-caries-development
#3
A Jurczak, D Kościelniak, A Skalniak, M Papież, P Vyhouskaya, W Krzyściak
OBJECTIVES: The aim of this study was to evaluate the role of the antioxidant barrier in the saliva of children with caries, and its impact on the colonization of cariogenic bacteria. METHODS: This is a cross-sectional study of 81 children aged 1-5 years. Antioxidant levels and salivary bacterial profiles were measured. Patients were divided into two groups as follows: initial stage decay, termed non-cavitated (1-2 in International Caries Detection and Assessment System (ICDAS)), and extensive decay, termed cavitated lesions (5-6 in ICDAS)...
March 13, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28288539/ischemia-modified-albumin-as-a-marker-of-vascular-dysfunction-and-subclinical-atherosclerosis-in-%C3%AE-thalassemia-major
#4
Amira Abdel Moneam Adly, Nayera Hazaa Khalil ElSherif, Eman Abdel Rahman Ismail, Yosra Abdelzaher Ibrahim, Gamal Niazi, Sara Hamed Elmetwally
BACKGROUND: Ischemia-modified albumin (IMA) is an altered type of serum albumin that forms under conditions of oxidative stress and an independent predictor of major adverse cardiovascular events. OBJECTIVES: To measure the levels of IMA in 45 children and adolescents with β-thalassemia major (β-TM) compared with 30 healthy controls and assess its relation to lipid peroxidation, vascular complications and subclinical atherosclerosis. METHODS: β-TM patients without symptoms of heart disease were studied focusing on transfusion history, chelation therapy, serum ferritin, malondialdehyde (MDA) and IMA levels...
March 13, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28276289/natural-antioxidants-in-the-treatment-and-prevention-of-diabetic-nephropathy-a-potential-approach-that-warrants-clinical-trials
#5
Noori Al-Waili, Hamza Al-Waili, Thia Al-Waili, Khelod Salom
Diabetic nephropathy is the major cause of end-stage renal disease and effective and new therapeutic approaches are needed in diabetic nephropathy and chronic kidney diseases. Oxidative stress and inflammatory process are important factors contributing to kidney damage by increasing production of oxidants. KEAP1/Nrf2/ARE pathway regulates the transcription of many antioxidant genes and modulation of the pathway up regulates antioxidants. NFB controls the expression of genes involved in the inflammatory response...
March 9, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28249551/gender-dependent-differences-of-mitochondrial-function-and-oxidative-stress-in-rat-skeletal-muscle-at-rest-and-after-exercise-training
#6
Firas Farhat, Aline Amérand, Bernard Simon, Nathalie Guegueniat, Christine Moisan
OBJECTIVE: This study investigated gender-dependent differences of mitochondrial function and sensitivity to in vitro ROS exposure in rat skeletal muscle at rest and after exercise training. METHODS: Wistar rats underwent running training for 6 weeks. In vitro measurements of hydroxyl radical production, oxygen consumption (under basal and maximal respiration conditions) and ATP production were made on permeabilized fibers. Mitochondrial function was examined after exposure and non-exposure to an in vitro generator system of reactive oxygen species (ROS)...
March 1, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28245708/exposure-to-sodium-molybdate-results-in-mild-oxidative-stress-in-drosophila-melanogaster
#7
Natalia V Perkhulyn, Bohdana M Rovenko, Oleh V Lushchak, Janet M Storey, Kenneth B Storey, Volodymyr I Lushchak
OBJECTIVES: The study was conducted to assess the redox status of Drosophila flies upon oral intake of insulin-mimetic salt, sodium molybdate (Na2MoO4). METHODS: Oxidative stress parameters and activities of antioxidant and associated enzymes were analyzed in two-day-old D. melanogaster insects after exposure of larvae and newly eclosed adults to three molybdate levels (0.025, 0.5, or 10 mM) in the food. RESULTS: Molybdate increased content of low molecular mass thiols and activities of catalase, superoxide dismutase, glutathione-S-transferase, and glucose-6-phosphate dehydrogenase in males...
February 28, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28209094/attenuation-of-arsenic-trioxide-induced-cardiotoxicity-through-flaxseed-oil-in-experimental-rats
#8
Mathews V Varghese, M Abhilash, Manju Alex, M V Sauganth Paul, A Prathapan, K G Raghu, R Harikumaran Nair
OBJECTIVES: Arsenic trioxide (As2O3) is a potent drug for acute promyelocytic leukaemia, but its clinical trials are allied with some serious adverse events mainly cardiac functional abnormalities. So the objective of our investigation is to identify the cardioprotective action of flaxseed oil (FSO), a natural compound against As2O3 induced cardiotoxicity. METHODS: Male wistar rats were treated with As2O3 (4 mg/kg) to induce cardiotoxicity. FSO (250 and 500 mg/kg) was given in combination with As2O3 for evaluating its cardioprotective efficacy...
February 17, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28209096/increased-oxidative-stress-alters-nucleosides-metabolite-levels-in-sickle-cell-anemia
#9
Lívia Gelain Castilhos, Juliana Sorraila de Oliveira, Stephen Adeniyi Adefegha, Luana Pereira Magni, Pedro Henrique Doleski, Fatima Husein Abdalla, Cínthia Melazzo de Andrade, Daniela Bitencourt Rosa Leal
OBJECTIVES: This study was conducted to assess the markers of oxidative stress, myeloperoxidase (MPO), acetylcholinesterase (AChE) and xanthine oxidase (XO) activities as well as the levels of nucleotide metabolites in sickle cell anemia (SCA) patients. METHODS: Fifteen SCA treated patients and 30 health subjects (control group) were selected. The markers of oxidative stress (levels of reactive oxygen species (ROS), plasma proteins, carbonyl content, lipid peroxidation (TBARS), total thiols (T-SH), glutathione and catalase activity), MPO, AChE and XO activities as well as the levels of nucleotide metabolites were measured in SCA patients...
February 16, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28277068/vitamin-c-and-trolox-decrease-oxidative-stress-and-hemolysis-in-cold-stored-human-red-blood-cells
#10
Kamila Czubak, Adam Antosik, Natalia Cichon, Halina Malgorzata Zbikowska
OBJECTIVES: To investigate the effects of sodium ascorbate (SA) (5-3125 μM) and a combination of SA and Trolox (25 and 125 μM) on oxidative changes generated in red blood cells (RBCs) followed by up to 20 days refrigerated storage. METHODS: RBCs were isolated from CPD-preserved human blood. Percentage of hemolysis and extracellular activity of lactate dehydrogenase (LDH) were measured to assess the RBC membrane integrity. Lipid peroxidation (LPO), glutathione (GSH) and total antioxidant capacity (TAC) were quantified by thiobarbituric acid-reactive substances, Ellman's reagent and 2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonate) [Formula: see text]-based assay, respectively...
February 11, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28075321/effects-of-exercise-and-lifestyle-intervention-on-oxidative-stress-in-chronic-kidney-disease
#11
David M Small, Kassia S Beetham, Erin J Howden, David R Briskey, David W Johnson, Nicole M Isbel, Glenda C Gobe, Jeff S Coombes
OBJECTIVES: Determine the effects of a 12-month exercise and lifestyle intervention program on changes in plasma biomarkers of oxidative stress in pre-dialysis chronic kidney disease (CKD) patients. METHODS: A total of 136 stage 3-4 CKD patients were randomized to receive standard nephrological care with (N = 72) or without (N = 64) a lifestyle and exercise intervention for 12 months. Plasma total F2-isoprostanes (IsoP), glutathione peroxidase (GPX) activity, total antioxidant capacity (TAC), anthropometric and biochemical data were collected at baseline and at 12 months...
January 11, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28073324/3-methoxy-aroylhydrazones-free-radicals-scavenging-anticancer-and-cytoprotective-potency
#12
Nadya Hristova-Avakumova, Krassimira Yoncheva, Boryana Nikolova-Mladenova, Trayko Traykov, Georgi Momekov, Vera Hadjimitova
OBJECTIVE: This study aimed to determine the capability of newly designed 3-methoxy derivatives of salicylaldehyde benzoylhydrazone to influence the oxidative stress processes and to test their in vitro cytotoxicity. METHODS: We have used chemiluminescent and spectrophotometric model systems containing different types of reactive oxygen species (OH(●), OCl(─) and O2(─●)). The hydrazones effect on the viability of Hep-G2, HEK-293 and SH-SY5Y cell lines was determined via MTT assay...
January 10, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28073323/protective-effect-exerted-by-soil-phosphorus-on-soybean-subjected-to-arsenic-and-fluoride
#13
Carolina Bustingorri, Guillermo Noriega, Raúl S Lavado, Karina Balestrasse
Objetive: Arsenic (As) and fluoride (F) are found in groundwater and soils around the world, causing different problems to crops. Because these elements compete against phosphorus (P) in soils and plants, their relationship is complex. The aim of this work was to study the oxidative stress of soybean plants subjected to different concentrations of As and F, and the effect of P. METHODS: The following 10 treatments were carried out in each of two soils with different P content: three As levels (low 10 mg As kg(-1), medium 50 mg As kg(-1) and high 100 mg As kg(-1)), three F levels (low 160 mg F kg(-1), medium 250 mg F kg(-1) and high 500 mg F kg(-1)) and three As + F levels (same concentrations), and the control treatment (soil with the background As and F concentrations) Lipid peroxidation, chlorophyll, gluthatione contents and antioxidant enzymes activities were determination...
January 10, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28064732/myeloperoxidase-expression-in-human-colonic-mucosa-is-related-to-systemic-oxidative-balance-in-healthy-subjects
#14
Stefano Mancini, Francesco Mariani, Paola Sena, Marta Benincasa, Luca Roncucci
OBJECTIVES: To improve understanding of the preclinical stage of colonic inflammation by exploring the existence of a link between early inflammatory changes in the colonic mucosa and the systemic redox balance. METHODS: Clinical characteristics, a fasting blood draw, and mucosal biopsies from the right, left, and sigmoid-rectum colonic tracts collected from 28 healthy individuals (14/14 males/females) who underwent colonoscopy. Myeloperoxidase (MPO) positive cells infiltrating colonic mucosa specimens were assessed by immunohistochemistry, and patients divided into high or low MPO expressing cells/optical field groups (MPO(high) or MPO(low), respectively)...
January 9, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28030991/galangin-a-dietary-flavonoid-improves-antioxidant-status-and-reduces-hyperglycemia-mediated-oxidative-stress-in-streptozotocin-induced-diabetic-rats
#15
Amal A Aloud, Chinnadurai Veeramani, Chandramohan Govindasamy, Mohammed A Alsaif, Ahmed S El Newehy, Khalid S Al-Numair
OBJECTIVE: To examine the effect of galangin on hyperglycemia-mediated oxidative stress in streptozotocin (STZ)-induced diabetic rats. METHODS: Diabetes was induced by intraperitoneal administration of low-dose STZ (40 mg/kg body weight (BW)) into male albino Wistar rats. Galangin (8 mg/kg BW) or glibenclamide (600 µg/kg BW) was given orally, once daily for 45 days to normal and STZ-induced diabetic rats. RESULTS: Diabetic rats showed significantly increased levels of plasma glucose, thiobarbituric acid reactive substances, lipid hydroperoxides, and conjugated dienes...
December 28, 2016: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/27884085/the-roles-of-myeloperoxidase-in-coronary-artery-disease-and-its-potential-implication-in-plaque-rupture
#16
Nathaniel Teng, Ghassan J Maghzal, Jihan Talib, Imran Rashid, Antony K Lau, Roland Stocker
Atherosclerosis is the main pathophysiological process underlying coronary artery disease (CAD). Acute complications of atherosclerosis, such as myocardial infarction, are caused by the rupture of vulnerable atherosclerotic plaques, which are characterized by thin, highly inflamed, and collagen-poor fibrous caps. Several lines of evidence mechanistically link the heme peroxidase myeloperoxidase (MPO), inflammation as well as acute and chronic manifestations of atherosclerosis. MPO and MPO-derived oxidants have been shown to contribute to the formation of foam cells, endothelial dysfunction and apoptosis, the activation of latent matrix metalloproteinases, and the expression of tissue factor that can promote the development of vulnerable plaque...
March 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/27366872/erratum
#17
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/27077454/intravenous-rutin-in-rat-exacerbates-isoprenaline-induced-cardiotoxicity-likely-due-to-intracellular-oxidative-stress
#18
Tomáš Filipský, Michal Říha, Pavlína Hašková, Veronika Pilařová, Lucie Nováková, Vladimír Semecký, Jaroslava Vávrová, Magdaléna Holečková, Vladimir Palicka, Tomáš Šimůnek, Radomír Hrdina, Přemysl Mladěnka
OBJECTIVES: Rutin, quercetin-3-O-rutinoside, a natural flavonol glycoside, has shown various in vitro benefits with potential use treating human diseases, especially cardiovascular system disorders. Antioxidant properties are assumed to underlie the majority of these benefits. Yet rutin pro-oxidant properties have been reported as well. Our research group has recently shown aggravating effects on isoprenaline (ISO)-induced cardiotoxicity in Wistar:Han rats after 24 hours. METHODS: This study was designed to examine in more detail the reasons for the negative effects of rutin (11...
March 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/27075937/nitrite-and-nitroso-compounds-can-serve-as-specific-catalase-inhibitors
#19
Vladimir Yu Titov, Anatoly N Osipov
OBJECTIVE: We present evidence that nitrite and nitrosothiols, nitrosoamines and non-heme dinitrosyl iron complexes can reversibly inhibit catalase with equal effectiveness. METHODS: Catalase activity was evaluated by the permanganatometric and calorimetric assays. RESULTS: This inhibition is not the result of chemical transformations of these compounds to a single inhibitor, as well as it is not the result of NO release from these substances (as NO traps have no effect on the extent of inhibition)...
March 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/26870880/the-relationships-among-the-levels-of-oxidative-and-antioxidative-parameters-fev1-and-prolidase-activity-in-copd
#20
Selami Ekin, Ahmet Arısoy, Hulya Gunbatar, Bunyamin Sertogullarindan, Aysel Sunnetcioglu, Hatice Sezen, Selvi Asker, Hanifi Yıldız
INTRODUCTION: Chronic obstructive pulmonary disease (COPD) is a progressive condition characterized by poorly reversible airflow limitations associated with an abnormal inflammatory response of the lung. METHODS: We investigated whether prolidase levels in serum, total antioxidant status, total oxidative status (TOS), and the oxidative stress index (OSI) were associated with the etiopathogenesis of COPD, and whether there is a relationship between prolidase activity and oxidative parameters and carotid artery intima-media thickness (CIMT) in patients with COPD...
March 2017: Redox Report: Communications in Free Radical Research
journal
journal
32322
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"