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University of Mississippi

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Oxidative stress

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Full-Text Articles in Medicine and Health Sciences

Tlr4/Nfκb-Mediated Anti-Inflammatory And Antioxidative Effect Of Hexanic And Ethanolic Extracts Of Curcuma Longa L. In Buffalo Mammary Epithelial Cells, Insha Amin, Shahzada Mudasir Rashid, Sheikh Shubeena, Ishraq Hussain Dec 2022

Tlr4/Nfκb-Mediated Anti-Inflammatory And Antioxidative Effect Of Hexanic And Ethanolic Extracts Of Curcuma Longa L. In Buffalo Mammary Epithelial Cells, Insha Amin, Shahzada Mudasir Rashid, Sheikh Shubeena, Ishraq Hussain

Faculty and Student Publications

Mastitis is the commonest disease of bovines imposing a great economic setback and a drastic public health concern worldwide. Antibiotic resistance is the preliminary con of excessive antibiotics use for disease treatment. Studies validate an alarming increase in the antibiotic resistance of both humans and animals. For ages, medicinal plants have been used to treat a number of ailments in humans and animals, including mastitis. Curcuma longa, or turmeric, is the prerequisite in Indian cooking and has been used in traditional medicine for its magical properties. The rhizome of C. longa possesses significant anti-inflammatory, antibacterial, antifungal, and antioxidative properties. In …


Rosmarinic Acid Prevents Cisplatin-Induced Liver And Kidney Injury By Inhibiting Inflammatory Responses And Enhancing Total Antioxidant Capacity, Thereby Activating The Nrf2 Signaling Pathway, Yifei Xiang, Min Ji, Liqin Wu, Li Lv Nov 2022

Rosmarinic Acid Prevents Cisplatin-Induced Liver And Kidney Injury By Inhibiting Inflammatory Responses And Enhancing Total Antioxidant Capacity, Thereby Activating The Nrf2 Signaling Pathway, Yifei Xiang, Min Ji, Liqin Wu, Li Lv

Faculty and Student Publications

Drug-induced liver and kidney damage is an emergent clinical issue that should be addressed. Rosmarinic acid (RA) has obvious anti-inflammatory and antioxidant effects, so we evaluated the anti-inflammatory and antioxidant effects of RA pretreatment on serum and liver and kidney tissues of cisplatin (CP)-treated mice and explored the possible mechanisms. The results showed that RA pretreatment effectively downregulated the serum, liver, and kidney levels of ALT, AST, BUN, and CRE and the inflammatory factors IL-1β, IL-6, and TNF-α, and simultaneously enhanced the total antioxidant capacity of the liver and kidney. RA pretreatment significantly reduced the levels of MPO, MDA, and …


Rap1a Activity Elevated The Impact Of Endogenous Ages In Diabetic Collagen To Stimulate Increased Myofibroblast Transition And Oxidative Stress, Stephanie D. Burr, Christopher C. Dorroh, James A. Stewart May 2022

Rap1a Activity Elevated The Impact Of Endogenous Ages In Diabetic Collagen To Stimulate Increased Myofibroblast Transition And Oxidative Stress, Stephanie D. Burr, Christopher C. Dorroh, James A. Stewart

Faculty and Student Publications

Diabetics have an increased risk for heart failure due to cardiac fibroblast functional changes occurring as a result of AGE/RAGE signaling. Advanced glycation end products (AGEs) levels are higher in diabetics and stimulate elevated RAGE (receptor for AGE) signaling. AGE/RAGE signaling can alter the expression of proteins linked to extracellular matrix (ECM) remodeling and oxidative stressors. Our lab has identified a small GTPase, Rap1a, that may overlap the AGE/RAGE signaling pathway. We sought to determine the role Rap1a plays in mediating AGE/RAGE changes and to assess the impact of isolated collagen on further altering these changes. Primary cardiac fibroblasts from …


Rap1a Overlaps The Age/Rage Signaling Cascade To Alter Expression Of Α‐Sma, P‐Nf‐Κb, And P‐Pkc‐Ζ In Cardiac Fibroblasts Isolated From Type 2 Diabetic Mice, Stephanie D. Burr, James A. Stewart Mar 2021

Rap1a Overlaps The Age/Rage Signaling Cascade To Alter Expression Of Α‐Sma, P‐Nf‐Κb, And P‐Pkc‐Ζ In Cardiac Fibroblasts Isolated From Type 2 Diabetic Mice, Stephanie D. Burr, James A. Stewart

Faculty and Student Publications

Cardiovascular disease, specifically heart failure, is a common complication for individu-als with type 2 diabetes mellitus. Heart failure can arise with stiffening of the left ventricle, which can be caused by “active” cardiac fibroblasts (i.e., myofibroblasts) remodeling the extracellular matrix (ECM). Differentiation of fibroblasts to myofibroblasts has been demonstrated to be an outcome of AGE/RAGE signaling. Hyperglycemia causes advanced glycated end products (AGEs) to accu-mulate within the body, and this process is greatly accelerated under chronic diabetic conditions. AGEs can bind and activate their receptor (RAGE) to trigger multiple downstream outcomes, such as altering ECM remodeling, inflammation, and oxidative stress. …


Disparate Central And Peripheral Effects Of Circulating Igf-1 Deficiency On Tissue Mitochondrial Function, Gavin Pharaoh, Daniel Owen, Alexander Yeganeh, Pavithra Premkumar, Julie Farley, Shylesh Bhaskaran, Nicole Ashpole, Michael Kinter, Holly Van Remmen, Sreemathi Logan Mar 2020

Disparate Central And Peripheral Effects Of Circulating Igf-1 Deficiency On Tissue Mitochondrial Function, Gavin Pharaoh, Daniel Owen, Alexander Yeganeh, Pavithra Premkumar, Julie Farley, Shylesh Bhaskaran, Nicole Ashpole, Michael Kinter, Holly Van Remmen, Sreemathi Logan

Faculty and Student Publications

© 2019, The Author(s). Age-related decline in circulating levels of insulin-like growth factor (IGF)-1 is associated with reduced cognitive function, neuronal aging, and neurodegeneration. Decreased mitochondrial function along with increased reactive oxygen species (ROS) and accumulation of damaged macromolecules are hallmarks of cellular aging. Based on numerous studies indicating pleiotropic effects of IGF-1 during aging, we compared the central and peripheral effects of circulating IGF-1 deficiency on tissue mitochondrial function using an inducible liver IGF-1 knockout (LID). Circulating levels of IGF-1 (~ 75%) were depleted in adult male Igf1f/f mice via AAV-mediated knockdown of hepatic IGF-1 at 5 months of …