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Articles 1 - 4 of 4
Full-Text Articles in Medicine and Health Sciences
Role Of Chronic Stress-Induced Neuroinflammation In Rodent Locus Coeruleus Physiology And Anxiety-Like Behaviors, Arthur Anthony Alfonso Reyes
Role Of Chronic Stress-Induced Neuroinflammation In Rodent Locus Coeruleus Physiology And Anxiety-Like Behaviors, Arthur Anthony Alfonso Reyes
Graduate School of Biomedical Sciences Theses and Dissertations
The locus coeruleus (LC), the primary site of brain norepinephrine (NE), is a key anatomical brain region implicated in the stress response. Stress is a neuroendocrine physiologic response to a stressor that promotes organism survival through adaptive change and restoration of homeostasis. The central stress response, which drives behavioral and physiological change, is primarily mediated by activating the hypothalamic-pituitary-adrenal (HPA) axis. While advantageous in the short term, chronic stress exposure can lead to HPA axis and LC dysregulation, which are thought to contribute to the etiology of anxiety disorders. Previous studies demonstrate the effects of acute stress in increasing LC …
Immunomodulatory Effects Of Resolvin D2 In A Model Of Infection, Prem Yugandhar Kadiyam Sundarasivarao
Immunomodulatory Effects Of Resolvin D2 In A Model Of Infection, Prem Yugandhar Kadiyam Sundarasivarao
Graduate School of Biomedical Sciences Theses and Dissertations
Dysregulated hyperinflammatory host immune response to underlying bacterial infections is a characteristic of sepsis. In sepsis, bacteria often trigger abnormal hyperinflammatory responses which can cause multiple organ failure and if sustained can lead to an immunosuppressive phase where the host is susceptible to secondary infections caused by opportunistic bacteria like Pseudomonas aeruginosa (P. aeruginosa). In our studies, we used a 2-hit model of cecal ligation and puncture (CLP) followed by P. aeruginosa secondary lung infection to investigate cellular and molecular mechanisms in the beneficial action of resolvin D2 (RvD2). Resolvins of the D-series are a group of fatty acids known …
Investigating The Role Of The Basolateral Amygdala Plays In The Incubation Of Cue-Induced Cocaine Seeking Behavior, Claire Marie Corbett
Investigating The Role Of The Basolateral Amygdala Plays In The Incubation Of Cue-Induced Cocaine Seeking Behavior, Claire Marie Corbett
Graduate School of Biomedical Sciences Theses and Dissertations
Cocaine use disorder is a chronic, relapsing brain disease. Sex and ovarian hormones are known to influence cocaine addiction liability and relapse vulnerability. However, little is known regarding the cellular and synaptic mechanisms contributing to sex differences in relapse vulnerability, including how these measures are influenced by hormonal fluctuations. To investigate sex differences in relapse vulnerability we use a rodent model of cocaine craving and relapse called the incubation model in which cue-induced seeking progressively increases or “incubates” during the first month of withdrawal from extended-access cocaine self-administration. Using this model, we have recently shown that females in the estrus …
Diabetes Mellitus And Hypercholesterolemia Are Risk Factors For Alzheimer’S Disease And Appear To Affect The Integrity Of The Blood Brain Barrier, Jacqueline Dash
Diabetes Mellitus And Hypercholesterolemia Are Risk Factors For Alzheimer’S Disease And Appear To Affect The Integrity Of The Blood Brain Barrier, Jacqueline Dash
Graduate School of Biomedical Sciences Theses and Dissertations
Studies have shown that the vascular risk factors common to diabetes mellitus and hypercholesterolemia are also risk factors for Alzheimer’s disease (AD). It is currently unknown how these diseases are associated with AD, but they may cause a leak in the blood brain barrier (BBB), which is one of the hallmarks of AD. In this preliminary study, over 150 pig brain slides were tested for the expression levels of tight junction proteins occludin and claudin V in the BBB microvasculature. There were three groups of pig brains used in this study namely, control pigs, pigs with diabetes mellitus and hypercholesterolemia …