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Articles 241 - 251 of 251
Full-Text Articles in Medicine and Health Sciences
Multivariate Anti-Inflammatory Approaches To Rescue Neurogenesis And Cognitive Function In Aged Animals, Sandra Antonieta Acosta
Multivariate Anti-Inflammatory Approaches To Rescue Neurogenesis And Cognitive Function In Aged Animals, Sandra Antonieta Acosta
USF Tampa Graduate Theses and Dissertations
Studies have shown that there is a strong correlation between aging and neurodegenerative diseases. Aging is considered the number one risk factor to develop neuropathologies such as memory loss, senile dementia, Alzheimer's disease (AD), and Parkinson's disease. Neurodegenerative diseases tend to start during adulthood, and aggravate over time, making them difficult to prevent and to treat. In the Unites States, demographic studies by U.S. Bureau of the Census have determined that our aging population of >65 years is expected to increase from the present 35 million to 78 million in 2030. This would result, not only to an increase of …
Hemoglobin Switching, Thalassemia And Sickle Cell Disease In Humanized Knockin Mice, Sean Mcconnell
Hemoglobin Switching, Thalassemia And Sickle Cell Disease In Humanized Knockin Mice, Sean Mcconnell
All ETDs from UAB
In this dissertation we describe knockin mouse models for the study of human hemoglobin disorders. These knockin human globin genes, in contrast to transgenes, replace the adult mouse globin genes, remain under control of endogenous mouse globin enhancer sequences and are inherited in a manner identical to globin alleles in man. Starting with various knockin alleles composed of unique human alpha, beta and gamma globin gene sequences, we evaluate several allele combinations towards our goal of generating improved models of thalassemia and sickle cells disease. We show that humanized knockin mice complete a fetal to adult hemoglobin switch during postnatal …
Repeated Binge Pattern Ethanol Administration During Adolescence Or Adulthood: Long-Term Changes In Voluntary Ethanol Intake And Mesolimbic Dopamine Functionality In Male Rats, Antoniette Michelle Maldonado-Devincci
Repeated Binge Pattern Ethanol Administration During Adolescence Or Adulthood: Long-Term Changes In Voluntary Ethanol Intake And Mesolimbic Dopamine Functionality In Male Rats, Antoniette Michelle Maldonado-Devincci
USF Tampa Graduate Theses and Dissertations
Binge alcohol consumption is a rising concern in the United States, especially among adolescents as during this developmental period alcohol use is usually initiated and has been shown to cause detrimental effects on brain structure and function. These findings have been established through the use of binge models in animals, where animals are repeatedly administered high doses of ethanol typically over a period of three or four days. While such work has examined the effects of a four-day and repeated three-day binge, there has been almost no work conducted aimed at investigating the long-term behavioral and neurochemical and/or functional consequences …
Tegument Protein Subcellular Localization Of Human Cytomegalovirus, John Paul Tomtishen Iii
Tegument Protein Subcellular Localization Of Human Cytomegalovirus, John Paul Tomtishen Iii
Honors Theses
To determine the subcellular localization of the tegument proteins pp65, pp71, pp150, and pp28 as fusions to one of several fluorescent proteins. Since these tegument proteins play pivotal roles in several stages of the viral life cycle, knowledge of where and the mechanism of how these proteins localize upon release could result in a better understanding of their function during a lytic infection as well as assist in the development of an effective, novel antiviral treatment.
Internet Use And Its Impact On Secondary School Students In Chiang Mai, Thailand, Kesaraporn Wanajak
Internet Use And Its Impact On Secondary School Students In Chiang Mai, Thailand, Kesaraporn Wanajak
Theses: Doctorates and Masters
Internet addiction (IA) is a relatively new field of academic inquiry. Empirical studies suggest that IA, like other well researched addictive behaviours, has an effect on many aspects of a person‟s life, including academic/work performance, relationships, and physical and mental health (Goldberg, 1996; Young, 1996, 1998). Evidence of IA has been suggested by the findings that some Internet users spend increasingly longer periods of time online and experience withdrawal symptoms when offline. Those preoccupied with Internet-related activities may neglect exercise, family and social activities (Kim et al., 2010; Nalwa & Anand, 2003; Seo, Kang, & Yom, 2009; S. Yang & …
Yeast As A Model For Studying Aβ Aggregation, Toxicity And Clearance, Prashant R. Bharadwaj
Yeast As A Model For Studying Aβ Aggregation, Toxicity And Clearance, Prashant R. Bharadwaj
Theses: Doctorates and Masters
Alzheimer’s disease (AD) is a progressive neurodegenerative disorder of the central nervous system, characterised by acute memory loss and behavioural symptoms. The AD brain is characterized by the presence of senile amyloid plaques associated with degenerating neurites and inflammatory processes. The major protein component of these amyloid deposits is the amyloid beta (Aβ) protein. The Aβ protein is a 40 or 42 amino acid cleavage product of APP (Amyloid Precursor Protein) which is produced in low levels in the normal ageing brain. Although senile amyloid plaques is the major pathological hallmark of AD brains, accumulating evidence has been presented to …
Pediatrician Perceptions Of The Patient-Centered Medical Home Model, Christopher Ray
Pediatrician Perceptions Of The Patient-Centered Medical Home Model, Christopher Ray
Theses and Dissertations
The Patient-Centered Medical Home (PCMH) is an emerging model of health care designed to provide a simpler, more effective health care experience. The model places heavy emphasis on the concept of every patient having a "personal physician" who is the point of access for all health care needs and concerns. The personal physician integrates all relevant health care information to provide the patient with a holistic picture of his health. The supposed benefits of the PCMH model include an improved patient experience, increased effectiveness of care, increased efficiency of care, greater access to care, among others. Only now is evidence …
Effects Of Managed Care On The Health And Health-Care Of The Non-Elderly With Diabetes, Meihua Lu
Effects Of Managed Care On The Health And Health-Care Of The Non-Elderly With Diabetes, Meihua Lu
Wayne State University Dissertations
This dissertation attempts to examine the quality effect of managed care plans (as compared with traditional fee-for-service plans, or FFS) on the health outcome and health care use of patients with diabetes. As the number of diabetics is growing rapidly with many of them are relying on managed care plans, knowing better the effects of different plans on health status and health care utilization is of great interest and significance to consumers, employers, and policymakers, especially at a time that universal health care is under being implemented.
Using up-to-date data from MEPS, a nationally representative survey, I compared 484 HMO …
Mechanisms Of Translation Arrest Following Focal Brain Ischemia, Monique K. Lewis
Mechanisms Of Translation Arrest Following Focal Brain Ischemia, Monique K. Lewis
Wayne State University Dissertations
MECHANISMS OF TRANSLATION ARREST FOLLOWING FOCAL BRAIN
ISCHEMIA
by
MONIQUE K. LEWIS
August 2011
Advisor: Dr. Donald DeGracia
Major: Physiology
Degree: Doctor of Philosophy
The loss of blood flow to the brain is termed ischemia and the subsequent resumption of blood flow is termed reperfusion. Brain ischemia and reperfusion (I/R) occurs primarily following resuscitation from cardiac arrest and stroke and presents one of the most significant clinical challenges. At present, there are no clinically effective pharmacologic interventions to halt brain damage following I/R. The major Aim of this dissertation will be to investigate possible mechanisms involved in neuron death following …
Mechanisms Of Persistent Translation Arrest Following Global Brain Ischemia And Reperfusion, Jill Theresa Jamison
Mechanisms Of Persistent Translation Arrest Following Global Brain Ischemia And Reperfusion, Jill Theresa Jamison
Wayne State University Dissertations
ABSTRACT
MECHANISMS OF PERSISTENT TRANSLATION ARREST FOLLOWING GLOBAL BRAIN ISCHEMIA and REPERFUSION
by
JILL T. JAMISON
December 2011
Advisor: Donald J. DeGracia, Ph.D.
Major: Physiology
Degree: Doctor of Philosophy
The information presented here studies the mechanisms that underlie persistent translation arrest (TA) following global brain ischemia and reperfusion (I/R). To summarize the main findings I have discovered a new mechanism for prolonged post-ischemic TA that correlated exactly with in vivo translation rates and correlated precisely with cell outcome. Through the extensive colocalization studies, my results indicate that the mRNA granules are ribonomic structures involved with mRNA regulation. This finding is …
Processing Random Signals In Neuroscience, Electrical Engineering And Operations Research, Kalyan Raman
Processing Random Signals In Neuroscience, Electrical Engineering And Operations Research, Kalyan Raman
Wayne State University Dissertations
The topic of this dissertation is the study of noise in electrical engineering, neuroscience, biomedical engineering, and operations research through mathematical models that describe, explain, predict and control dynamic phenomena. Noise is modeled through Brownian Motion and the research problems are mathematically addressed by different versions of a generalized Langevin equation. Our mathematical models utilize stochastic differential equations (SDEs) and stochastic optimal control, both of which were born in the soil of electrical engineering. Central to this dissertation is a brain-physics based model of cerebrospinal fluid (CSF) dynamics, whose structure is fundamentally determined by an electrical circuit analogy. Our general …