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Articles 1 - 5 of 5
Full-Text Articles in Physiological Processes
Relationships Between Health Behaviors And Markers Of Oxidative Stress And Inflammation On Blood Pressure, Alison M. Godfrey
Relationships Between Health Behaviors And Markers Of Oxidative Stress And Inflammation On Blood Pressure, Alison M. Godfrey
Honors Scholar Theses
Background. Young adulthood is a period when cardiometabolic risk factors begin to emerge. Developing cardiometabolic risk early can increase the risk and severity of chronic illness across the lifespan. Despite this, young adults are often understudied particularly as it relates to major cardiometabolic risk factors such as blood pressure (BP) and risk of hypertension. Hypertension is a public health crisis and early indicators of hypertension risk should be more thoroughly researched. Therefore, the purpose of the presented thesis is to examine BP in young adults and two potential pathways by which risk may emerge in young adults; inflammation (C-Reactive …
Acute And Chronic Central Nervous System Oxidative Stress/Toxicity During Hyperbaric Oxygen Treatment Of Subacute And Chronic Neurological Conditions, Paul G. Harch, Stacey Rhodes
Acute And Chronic Central Nervous System Oxidative Stress/Toxicity During Hyperbaric Oxygen Treatment Of Subacute And Chronic Neurological Conditions, Paul G. Harch, Stacey Rhodes
School of Medicine Faculty Publications
INTRODUCTION: Oxygen toxicity has been defined as acute central nervous system (CNS), acute pulmonary, and chronic pulmonary oxygen toxicity. This study identifies acute and chronic CNS oxygen toxicity under 2.0 atmospheres absolute (ATA) pressure of oxygen. Methods: The authors' medical records from September 29, 1989 to January 20, 2023 and correspondence to the authors (9/1994 to 1/20.2023) from patients with signs and/or symptoms historically identified as acute CNS oxygen toxicity and those with neurological deterioration receiving hyperbaric oxygen for neurological conditions were reviewed. Acute cases were those occurring with ≤ 5 HBOTs and chronic cases > 5 HBOTs. Chronic cases were …
H2s, Sg-1002, Protects Against Myocardial Oxidative Damage And Hypertrophy In Vitro Via Induction Of Cystathionine Β-Synthase And Antioxidant Proteins, Rahib K. Islam, Erinn Donnelly, Erminia Donnarumma, Fokhrul Hossain, Jason D. Gardner, Kazi N. Islam
H2s, Sg-1002, Protects Against Myocardial Oxidative Damage And Hypertrophy In Vitro Via Induction Of Cystathionine Β-Synthase And Antioxidant Proteins, Rahib K. Islam, Erinn Donnelly, Erminia Donnarumma, Fokhrul Hossain, Jason D. Gardner, Kazi N. Islam
School of Medicine Faculty Publications
Endogenously produced hydrogen sulfide (H2S) is critical for cardiovascular homeostasis. Therapeutic strategies aimed at increasing H2S levels have proven cardioprotective in models of acute myocardial infarction (MI) and heart failure (HF). The present study was undertaken to investigate the effects of a novel H2S prodrug, SG-1002, on stress induced hypertrophic signaling in murine HL-1 cardiac muscle cells. Treatment of HL-1 cells with SG-1002 under serum starvation without or with H2O2 increased the levels of H2S, H2S producing enzyme, and cystathionine β-synthase (CBS), as well as antioxidant protein levels, such as super oxide dismutase1 (SOD1) and catalase, and additionally decreased oxidative …
Reducing Placental Oxidative Stress In A Rat Model Preeclampsia Using Vegfr2 Nanoparticles, Sophia Ganios
Reducing Placental Oxidative Stress In A Rat Model Preeclampsia Using Vegfr2 Nanoparticles, Sophia Ganios
Williams Honors College, Honors Research Projects
Preeclampsia is a complication of pregnancy, where the placenta lacks sufficient blood flow due to abnormal formation of the vascular endothelial cells. This results in hypertension and increased reactive oxygen species, causing oxidative stress. The VEGF (vascular endothelial growth factor) helps develop new growth, so by increasing the receptors VEGFR2 by injection of LTP nanoparticles into the uterine wall of RUPP rats, one can see if there would be improvement in the otherwise reduced uterine pressure pregnant rat. This would be confirmed by the 8-isoprostane test, which measures oxidative stress.
Stromal Vascular Fraction Restores Vasodilatory Function By Reversing Mitochondrial Dysfunction And Oxidative Stress In Aging-Induced Coronary Microvascular Disease., Evan Paul Tracy
Electronic Theses and Dissertations
Background: Coronary Microvascular Disease (CMD) presents in aging post-menopausal women with chronic angina due to microvascular hyperconstriction. The objective was to identify mechanisms of adipose stromal vascular fraction’s (SVF) restorative effects on vasodilation. We hypothesize aging-induced CMD is caused by a) abrogated flow-mediated dilation (FMD) due to loss of nitric oxide signaling and b) ROS-dependent βADR desensitization & internalization, reversible by ameliorating mitochondrial dysfunction and oxidative stress with SVF. Methods: Coronary microvessels were isolated from female rats either young, old, or old with SVF tail-vein injection (OSVF). Pressure myography, RNA-sequencing, immunofluorescence, Western blotting, and morphological analysis were performed to …