Minocycline effects on cerebral edema: Relations with inflammatory and oxidative stress markers following traumatic brain injury in mice

Background: United States service members injured in combat theatre are often aeromedically evacuated within a few days to regional military hospitals. Animal and epidemiological research indicates that early exposure to flight hypobaria may worsen brain and other injuries. The mechanisms by which secondary exposure to hypobaria worsen trauma outcomes are not well elucidated. This study tested the hypothesis that hypobaria-induced oxidative stress and associated changes in homocysteine levels play a role in traumatic brain injury (TBI) pathological progression caused by hypobaria. Methods: Male Sprague Dawley rats were exposed to a 6 h hypobaria 24 h after mild TBI by the controlled cortical impact. Plasma and brain tissues were assessed for homocysteine levels, oxidative stress markers or glutathione metabolism, and behavioral deficits post-injury in the absence and presence of hypobaria exposure. Results: We found that hypobaria after TBI increased oxidative stress markers, altered homocysteine metabolism, and promoted glutathione oxidation. Increased glutathione metabolism was driven by differential upregulation of glutathione metabolizing genes. These changes correlated with increased anxiety-like behavior. Conclusion: These data provide evidence that hypobaria exposure after TBI increases oxidative stress and alters homocysteine elimination likely through enhanced glutathione metabolism. This pathway may represent a compensatory mechanism to attenuate free radical formation. Thus, hypobaria-induced enhancement of glutathione metabolism represents a potential therapeutic target for TBI management.

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Effect of short periods of normobaric hyperoxia on local brain tissue oxygenation and cerebrospinal fluid oxidative stress markers in severe traumatic brain injury

Journal of Neurotrauma ◽

10.1089/neu.2008-0624 ◽

2009 ◽

pp. 090608065643019 ◽

Cited By ~ 3

Author(s):

Ava M. Puccio ◽

Leslie A. Hoffman ◽

Hulya Bayir ◽

Thomas G. Zullo ◽

Fischer R Michael ◽

...

Keyword(s):

Oxidative Stress ◽

Traumatic Brain Injury ◽

Cerebrospinal Fluid ◽

Brain Injury ◽

Tissue Oxygenation ◽

Oxidative Stress Markers ◽

Brain Tissue Oxygenation ◽

Normobaric Hyperoxia ◽

Stress Markers ◽

Local Brain

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Creatine reduces oxidative stress markers but does not protect against seizure susceptibility after severe traumatic brain injury

Brain Research Bulletin ◽

10.1016/j.brainresbull.2011.10.010 ◽

2012 ◽

Vol 87 (2-3) ◽

pp. 180-186 ◽

Cited By ~ 18

Author(s):

André Luis Lopes Saraiva ◽

Ana Paula Oliveira Ferreira ◽

Luiz Fernando Almeida Silva ◽

Maurício Scopel Hoffmann ◽

Fabrício Diniz Dutra ◽

...

Keyword(s):

Oxidative Stress ◽

Traumatic Brain Injury ◽

Brain Injury ◽

Severe Traumatic Brain Injury ◽

Seizure Susceptibility ◽

Oxidative Stress Markers ◽

Stress Markers

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Leukocytes Count and Oxidative Stress Markers in Blood and Follicular Fluid in Infertile Women Undergo Intracytoplasmic Sperm Injection (Ic

Indian Journal Of Applied Research ◽

10.15373/2249555x/august2014/125 ◽

2011 ◽

Vol 4 (8) ◽

pp. 483-485

Author(s):

Sami R Al-Katib ◽

◽

Basima Sh AlGhazali ◽

Ban J Edan

Keyword(s):

Oxidative Stress ◽

Follicular Fluid ◽

Intracytoplasmic Sperm Injection ◽

Oxidative Stress Markers ◽

Infertile Women ◽

Stress Markers ◽

And Oxidative Stress

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

Endocrine Metabolic & Immune Disorders - Drug Targets ◽

10.2174/1568026620666201022151059 ◽

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.

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

Endocrine Metabolic & Immune Disorders - Drug Targets ◽

10.2174/1871530319666191016103222 ◽

2020 ◽

Vol 20 (4) ◽

pp. 584-590 ◽

Cited By ~ 1

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..

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