Effect of germination on total phenolic compounds, total antioxidant capacity, Maillard reaction products and oxidative stress markers in canihua (Chenopodium pallidicaule)

2012 ◽  
Vol 56 (2) ◽  
pp. 410-417 ◽  
Author(s):  
F. Abderrahim ◽  
E. Huanatico ◽  
R. Repo-Carrasco-Valencia ◽  
S.M. Arribas ◽  
M.C. Gonzalez ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Phenolic Compounds ◽  
Total Phenolic ◽  
Maillard Reaction Products ◽  
Oxidative Stress Markers ◽  
Reaction Products ◽  
Total Phenolic Compounds ◽  
Stress Markers ◽  
Total Antioxidant ◽  
And Oxidative Stress

Comparison of Salivary Antioxidants and Oxidative Stress Status in Gestational Diabetes Mellitus and Healthy Pregnant Women

2020 ◽  
Vol 20 ◽  
Author(s):  
Fatemeh Ahmadi-Motamayel ◽  
Shima Fathi ◽  
Mohammad Taghi Goodarzi ◽  
Shiva Borzouei ◽  
Jalal Poorolajal ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Diabetes Mellitus ◽  
Gestational Diabetes ◽  
Pregnant Women ◽  
Oxidative Stress Markers ◽  
Blood Samples ◽  
Stress Markers ◽  
Total Antioxidant ◽  
Total Oxidative Stress ◽  
And Oxidative Stress

Background: One of the most common complications of pregnant women is gestational diabetes mellitus (GDM). Oxidative stress can play an important role in GDM. Objective: The aim of this study was to evaluate salivary antioxidants and oxidative stress markers in GDM. Method: Twenty pregnant women with GDM and 20 healthy pregnant women with normal blood glucose test participated in this study. Five mL of unstimulated saliva samples were collected. Spectrophotometric assay was carried out for sialochemical analysis. Stata software was used for data analysis. Results: The GDM group exhibited no significant difference in salivary total antioxidant capacity and malondialdehyde compared to the healthy control group. All of antioxidants markers, the uric acid, total antioxidant, peroxidase and catalase, decreased in GDM group that the difference of peroxidase and catalase was statistically significant. All of oxidative stress markers, the salivary malondyaldehid, total oxidative stress and total thiol, increased in GDM group. GDM group exhibited significantly higher salivary total oxidative stress levels. Conclusion: Catalase level was significantly lower and total oxidative stress was significantly higher. These two markers might have significant importance and might exhibit early changes compared to other factors in GDM. . Some of salivary antioxidants might have diagnostic, prognostic or therapeutic implications in GDM. Other studies with large sample size on salivary and blood samples need to be done to confirm this properties and salivary samples using instead of blood samples in GDM biomarkers changes.

scholarly journals Sexual dimorphism, metabolic, and oxidative stress markers of African catfish (Clarias garepinus and Heterobranchus longifilis) broodstock in Southwest Nigeria

2021 ◽  
Vol 82 (1) ◽  
Author(s):  
Olatunji Abubakar Jimoh ◽  
Christie Oluwatosin Raimi ◽  
Ebenezer Temitope Adebayo ◽  
Bolaji Fatai Oyeyemi ◽  
Matthew Ayobami Odedele
Keyword(s):  
Oxidative Stress ◽  
Antioxidant Activity ◽  
Clarias Gariepinus ◽  
Total Antioxidant Activity ◽  
Oxidative Stress Markers ◽  
Stress Markers ◽  
Total Antioxidant ◽  
Southwest Nigeria ◽  
Heterobranchus Longifilis ◽  
And Oxidative Stress

Abstract Background Sexual dimorphism in metabolic and oxidative stress markers of Clarias gariepinus and Heterobranchus longifilis found in southwest Nigeria was investigated. C. garepinus and H. longifilis broodstock weighing 2.54 ± 0.12 and 2.11 ± 0.15 kg consisting of 20 males and females each per species were sourced from southwest Nigeria. Fishes conditioned conditioning for breeding, blood samples were collected, and serum obtained to assess metabolic and oxidative stress indices using standard procedures. Results The results obtained show that serum albumin, triglyceride, low-density lipoprotein, alanine aminotransferase, and total antioxidant activity of Clarias garepinus were significantly (p < 0.05) higher than Heterobranchus longifilis. Superoxide dismutase of males was significantly (p < 0.05) superior to females in both species. The total antioxidant activity of males was significantly (p < 0.05) superior to females in Heterobranchus longifilis. Serum catalase, glutathione peroxidase and lipid peroxidation were not affected by sex and species differences. Superoxide dismutase activity and some non-enzyme antioxidants could account for superior total antioxidant activity in males despite similar lipid peroxidation. Conclusion Catfish broodstocks of Heterobranchus longifilis possess superior total antioxidant activity than Clarias gariepinus owing to its superior non-enzyme antioxidants fraction. In both clariid species, males have better antioxidant defence than females.

Protective role of peroxiredoxin-4 in heart failure

2020 ◽  
Vol 134 (1) ◽  
pp. 71-72
Author(s):  
Naseer Ahmed ◽  
Masooma Naseem ◽  
Javeria Farooq
Keyword(s):  
Heart Failure ◽  
Cardiac Fibroblasts ◽  
Protective Role ◽  
Oxidative Stress Markers ◽  
Stress Markers ◽  
Total Antioxidant ◽  
Galectin 3 ◽  
Consequent Increase ◽  
And Oxidative Stress

Abstract Recently, we have read with great interest the article published by Ibarrola et al. (Clin. Sci. (Lond.) (2018) 132, 1471–1485), which used proteomics and immunodetection methods to show that Galectin-3 (Gal-3) down-regulated the antioxidant peroxiredoxin-4 (Prx-4) in cardiac fibroblasts. Authors concluded that ‘antioxidant activity of Prx-4 had been identified as a protein down-regulated by Gal-3. Moreover, Gal-3 induced a decrease in total antioxidant capacity which resulted in a consequent increase in peroxide levels and oxidative stress markers in cardiac fibroblasts.’ We would like to point out some results stated in the article that need further investigation and more detailed discussion to clarify certain factors involved in the protective role of Prx-4 in heart failure.

Evaluation of Salivary Antioxidants and Oxidative Stress Markers in Type 2 Diabetes Mellitus: A Retrospective Cohort Study

2020 ◽  
Vol 20 (4) ◽  
pp. 584-590 ◽  
Author(s):  
Shima Fathi ◽  
Shiva Borzouei ◽  
Mohammad Taghi Goodarzi ◽  
Jalal Poorolajal ◽  
Fatemeh Ahmadi-Motamayel
Keyword(s):  
Oxidative Stress ◽  
Diabetes Mellitus ◽  
Control Group ◽  
Oxidative Stress Markers ◽  
Stress Markers ◽  
Type 2 Dm ◽  
Patients With Diabetes ◽  
The Difference ◽  
And Oxidative Stress

Background: Diabetes Mellitus (DM) is a progressive metabolic disorder. Objective: The aim of this study was to investigate the relationship between antioxidant and oxidative stress markers in the saliva of patients with type 2 DM and a healthy control group. Methods: In this study, 20 patients with diabetes and 20 healthy individuals were evaluated. Salivary antioxidants markers consisted of total antioxidant capacity (TAC), uric acid (UA), peroxidase and catalase. Oxidative stress markers included total oxidant status (TOS), malondealdehyde (MDA) and total thiol (SH). Sialochemical analysis was performed with spectrophotometric assay. All the statistical analyses were conducted using STATA software. Results: TAC decreased significantly in patients with diabetes. Although salivary UA and peroxidase were lower in patients with diabetes compared to the control group, the difference was not significant. Salivary catalase in patients with diabetes was significantly lower than that in the control group. MDA and TOS exhibited significantly higher levels in type 2 DM. SH levels were slightly higher in DM. Conclusions: According to the results of the present study, there were some changes in the salivary levels of some antioxidants and oxidative stress markers in patients with type 2 DM and could be measured as an indicator of serum changes..

scholarly journals Association of Metabolically Healthy and Unhealthy Obesity Phenotypes with Oxidative Stress Parameters and Telomere Length in Healthy Young Adult Men. Analysis of the MAGNETIC Study

Antioxidants ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 93
Author(s):  
Mateusz Lejawa ◽  
Kamila Osadnik ◽  
Tadeusz Osadnik ◽  
Natalia Pawlas
Keyword(s):  
Oxidative Stress ◽  
Telomere Length ◽  
Quantitative Polymerase Chain Reaction ◽  
Oxidative Stress Markers ◽  
Metabolic Disturbances ◽  
Total Oxidation ◽  
Stress Markers ◽  
Metabolic Dysregulation ◽  
Total Antioxidant ◽  
Metabolically Healthy

Obesity is a significant factor related to metabolic disturbances that can lead to metabolic syndrome (MetS). Metabolic dysregulation causes oxidative stress, which affects telomere structure. The current study aimed to evaluate the relationships between telomere length, oxidative stress and the metabolically healthy and unhealthy phenotypes in healthy young men. Ninety-eight participants were included in the study (49 healthy slim and 49 obese patients). Study participants were divided into three subgroups according to body mass index and metabolic health. Selected oxidative stress markers were measured in serum. Relative telomere length (rTL) was measured using quantitative polymerase chain reaction. The analysis showed associations between laboratory markers, oxidative stress markers and rTL in metabolically healthy and unhealthy participants. Total oxidation status (TOS), total antioxidant capacity (TAC) and rTL were significantly connected with metabolically unhealthy obesity. TAC was associated with metabolically healthy obesity. Telomeres shorten in patients with metabolic dysregulation related to oxidative stress and obesity linked to MetS. Further studies among young metabolically healthy and unhealthy individuals are needed to determine the pathways related to metabolic disturbances that cause oxidative stress that leads to MetS.

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