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Full-Text Articles in Medicine and Health Sciences

Natural Product Heme Oxygenase Inducers As Treatment For Nonalcoholic Fatty Liver Disease, David E. Stec, Terry D. Hinds Jr. Dec 2020

Natural Product Heme Oxygenase Inducers As Treatment For Nonalcoholic Fatty Liver Disease, David E. Stec, Terry D. Hinds Jr.

Pharmacology and Nutritional Sciences Faculty Publications

Heme oxygenase (HO) is a critical component of the defense mechanism to a wide variety of cellular stressors. HO induction affords cellular protection through the breakdown of toxic heme into metabolites, helping preserve cellular integrity. Nonalcoholic fatty liver disease (NAFLD) is a pathological condition by which the liver accumulates fat. The incidence of NAFLD has reached all-time high levels driven primarily by the obesity epidemic. NALFD can progress to nonalcoholic steatohepatitis (NASH), advancing further to liver cirrhosis or cancer. NAFLD is also a contributing factor to cardiovascular and metabolic diseases. There are currently no drugs to specifically treat NAFLD, with …


Hdac6 Mediates Macrophage Inos Expression And Excessive Nitric Oxide Production In The Blood During Endotoxemia, Yan Wang, Ke Wang, Jian Fu Aug 2020

Hdac6 Mediates Macrophage Inos Expression And Excessive Nitric Oxide Production In The Blood During Endotoxemia, Yan Wang, Ke Wang, Jian Fu

Toxicology and Cancer Biology Faculty Publications

Excessive nitric oxide (NO) production and NO-mediated nitrative stress contribute to vascular dysfunction, inflammation, and tissue injury in septic shock. New therapeutic targets are urgently needed to provide better control of NO level during septic shock. In the present study, we investigated the role of HDAC6 in the regulation of NO production and nitrative stress in a mouse model of endotoxin-induced septic shock. HDAC6 deficient mice and a specific HDAC6 inhibitor were utilized in our studies. Our data clearly indicate that HDAC6 is an important mediator of NO production in macrophages. HDAC6 mediates NO production through the regulation of iNOS …


Complex Tissue Regeneration In Mammals Is Associated With Reduced Inflammatory Cytokines And An Influx Of T Cells, Thomas R. Gawriluk, Jennifer Simkin, Corin K. Hacker, John M. Kimani, Stephen G. Kiama, Vanessa O. Ezenwa, Ashley W. Seifert Aug 2020

Complex Tissue Regeneration In Mammals Is Associated With Reduced Inflammatory Cytokines And An Influx Of T Cells, Thomas R. Gawriluk, Jennifer Simkin, Corin K. Hacker, John M. Kimani, Stephen G. Kiama, Vanessa O. Ezenwa, Ashley W. Seifert

Biology Faculty Publications

While mammals tend to repair injuries, other adult vertebrates like salamanders and fish regenerate damaged tissue. One prominent hypothesis offered to explain an inability to regenerate complex tissue in mammals is a bias during healing toward strong adaptive immunity and inflammatory responses. Here we directly test this hypothesis by characterizing part of the immune response during regeneration in spiny mice (Acomys cahirinus and Acomys percivali) vs. fibrotic repair in Mus musculus. By directly quantifying cytokines during tissue healing, we found that fibrotic repair was associated with a greater release of pro-inflammatory cytokines (i.e., IL-6, CCL2, and CXCL1) …


Anterior Cruciate Ligament Injury-Induced Alterations In Inflammation And Muscle Physiology, Emily R. Hunt Jan 2020

Anterior Cruciate Ligament Injury-Induced Alterations In Inflammation And Muscle Physiology, Emily R. Hunt

Theses and Dissertations--Rehabilitation Sciences

Long term weakness and atrophy of the quadriceps muscle are a direct result of anterior cruciate ligament (ACL) injuries and persist for up to 10 years post injury. Muscle atrophy ensues regardless of ligamentous reconstruction surgery, indicating that muscle atrophy following injury is a function of the ligament rupture and not reconstruction surgery. Elucidating the mechanisms underlying quadriceps atrophy following ACL rupture is crucial for developing interventions to restore proper quadriceps size and mitigate weakness thereby allowing for improved patient function. In addition to understanding the specific mechanisms that contribute to quadriceps atrophy following ACL rupture, the timing of atrophic …


Associations Between Psychosocial Stressors, Genes, And Cardiovascular Disease In At-Risk Adults, Kaitlin Voigts Key Jan 2020

Associations Between Psychosocial Stressors, Genes, And Cardiovascular Disease In At-Risk Adults, Kaitlin Voigts Key

Theses and Dissertations--Nursing

Psychosocial stressors have a significant adverse impact on cardiovascular health. While better medical treatments and increased emphasis on healthy lifestyle have improved cardiovascular health for many in the United States over the past 50 years, there are persistent inequities in cardiovascular disease (CVD) rates, with the highest rates among populations burdened by chronic exposure to psychosocial stressors such as discrimination and anxiety, among others. Genetic factors may interact with these stressors further influencing the rates of CVD in these populations. The purpose of this dissertation is to examine associations among psychosocial stressors and other CVD risk factors, and the influence …