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Articles 1 - 13 of 13
Full-Text Articles in Medicine and Health Sciences
Emotional Reactivity And Regulation In Current And Remitted Depression: An Event Related Potential Study, Lauren M. Bylsma
Emotional Reactivity And Regulation In Current And Remitted Depression: An Event Related Potential Study, Lauren M. Bylsma
USF Tampa Graduate Theses and Dissertations
Major Depressive Disorder (MDD) is thought to be characterized by emotion regulation deficits, including decreased use of adaptive strategies such as reappraisal, but little is known about the exact nature of these deficits and whether or not they are specific to the depressed mood state. The late positive potential (LPP) is a sustained positive deflection of the event-related potential (ERP) associated with responding to emotionally-valenced stimuli, and reappraisal strategies have been found to reduce LPP magnitude in response to emotional stimuli in healthy individuals, but this effect has not been examined in MDD. This study utilized ERPs to examine emotional …
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 …
The Role Of Hiv-1 Proteins In Alzheimer's Disease Pathology, Brian Nelson Giunta
The Role Of Hiv-1 Proteins In Alzheimer's Disease Pathology, Brian Nelson Giunta
USF Tampa Graduate Theses and Dissertations
Prevalence of HIV-associated cognitive impairment is rising, the worst form of which is HIV-associated dementia (HAD). The disease is fuiled by a chronic innate type pro-inflammatory response in the brain which is highly dependent upon the activation of microglia. We first created an in vitro model of HAD composed of cultured microglial cells synergistically activated by the addition of IFN-gamma and the HIV-1 coat glycoprotein, gp120. This activation, as measured by TNF-alpha and NO release, is synergistically attenuated through the alpha7nAChR and p44/42 MAPK system by pretreatment with nicotine, and the cholinesterase inhibitor, galantamine. As these medications have been FDA …
Differential Effects Of Isoflurane And Propofol Anesthesia On Neurogenesis In Young And Aged Rats, Diana Marcela Erasso
Differential Effects Of Isoflurane And Propofol Anesthesia On Neurogenesis In Young And Aged Rats, Diana Marcela Erasso
USF Tampa Graduate Theses and Dissertations
Worldwide, millions of young and elderly patients receive procedures that could not be performed without the use of anesthetics. Unfortunately, emerging animal and human data suggest an association between exposure to general anesthesia and impairment of cognitive function in pediatric and geriatric patients. Recent laboratory data have shown that general anesthetics are potentially damaging to the developing and aging brain. However, the mechanism by which this happens is still unknown. General anesthetics affect learning and memory, a brain function involving neural plasticity. An important form of neural plasticity receiving attention is postnatal neurogenesis. This process is highly regulated and involved …
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 …
Secreted Factors From Human Umbilical Cord Blood Cells Protect Oligodendrocytes From Ischemic Insult, Derrick Rowe
Secreted Factors From Human Umbilical Cord Blood Cells Protect Oligodendrocytes From Ischemic Insult, Derrick Rowe
USF Tampa Graduate Theses and Dissertations
Oligodendrocytes (OL)s are the dominant cell type in the white matter and are integral for synaptic transmission essential for proper neuronal communication between brain areas. Previous studies have shown that intravenous administration of the mononuclear fraction of human umbilical cord blood (HUCB) cells in rat models of stroke reduced white matter injury, gray matter injury and behavioral deficits. Yet the mechanisms used by HUCB cells remain unknown in ischemic injury. These studies will investigate both in vitro and in vivo approaches to elucidate this mechanism in OLs. When mature primary OLs were coincubated with HUCB cells, HUCB cells secreted soluble …
Pathology Of Breast Carcinoma: Diagnostic, Prognostic, And Therapeutic Issues And Challenges, Rohit Bhargava, Sunati Sahoo, Nicole Nicosia Esposito, Beiyun Chen
Pathology Of Breast Carcinoma: Diagnostic, Prognostic, And Therapeutic Issues And Challenges, Rohit Bhargava, Sunati Sahoo, Nicole Nicosia Esposito, Beiyun Chen
Pathology and Cell Biology Faculty Publications
No abstract provided.
Ovarian Epithelial-Stromal Interactions: Role Of Interleukins 1 And 6, Kamisha T. Woolery, Patricia A. Kruk
Ovarian Epithelial-Stromal Interactions: Role Of Interleukins 1 And 6, Kamisha T. Woolery, Patricia A. Kruk
Pathology and Cell Biology Faculty Publications
Ovarian epithelial cancer is the most lethal gynecologic malignancy. The high mortality is attributed to the fact that most cases typically present in late stage when ovarian cancer (OC) has already spread beyond the ovary. Ovarian epithelial cancer cells are shed into intraperitoneal ascites and easily disseminate throughout the peritoneal cavity with preferential metastasis to the omentum, peritoneum, and local organs. Understanding how ovarian epithelial cells interact with and modulate their microenvironment can provide insight into the molecular mechanism(s) involved with malignant transformation and progression which may eventually identify novel diagnostic, prognostic, and therapeutic targets. The objective of this paper …
Novel Molecular Markers Of Malignancy In Histologically Normal And Benign Breast, Aejaz Nasir, Dung-Tsa Chen, Mike Gruidl, Evita B. Henderson-Jackson, Chinnambally Venkataramu, Susan M. Mccarthy, Heyoung L. Mcbrid, Eleanor Harris, Nazanin Khakpour, Timothy J. Yeatman
Novel Molecular Markers Of Malignancy In Histologically Normal And Benign Breast, Aejaz Nasir, Dung-Tsa Chen, Mike Gruidl, Evita B. Henderson-Jackson, Chinnambally Venkataramu, Susan M. Mccarthy, Heyoung L. Mcbrid, Eleanor Harris, Nazanin Khakpour, Timothy J. Yeatman
Pathology and Cell Biology Faculty Publications
To detect the molecular changes of malignancy in histologically normal breast (HNB) tissues, we recently developed a novel 117-gene-malignancy-signature. Here we report validation of our leading malignancy-risk-genes, topoisomerase-2-alpha (TOP2A), minichromosome-maintenance-protein-2 (MCM2) and “budding-uninhibited-by-benzimidazoles-1-homolog-beta” (BUB1B) at the protein level. Using our 117-gene malignancy-signature, we classified 18 fresh-frozen HNB tissues from 18 adult female breast cancer patients into HNB-tissues with low-grade (HNB-LGMA; ) and high-grade molecular abnormality (HNB-HGMA; ). Archival sections of additional HNB tissues from these patients, and invasive ductal carcinoma (IDC) tissues from six other patients were immunostained for these biomarkers. TOP2A/MCM2 expression was assessed as staining index (%) and …
Primary Colorectal Adenocarcinoma Metastatic To The Breast: Case Report And Review Of Nineteen Cases, Rodney E. Shackelford, Pushpa Allam-Nandyala, Marilyn M. Bui, John V. Kiluk, Nicole Nicosia Esposito
Primary Colorectal Adenocarcinoma Metastatic To The Breast: Case Report And Review Of Nineteen Cases, Rodney E. Shackelford, Pushpa Allam-Nandyala, Marilyn M. Bui, John V. Kiluk, Nicole Nicosia Esposito
Pathology and Cell Biology Faculty Publications
Metastases to the breast from extramammary primaries are uncommon and account for 0.5–6% of all breast malignancies (Georgiannos et al., 2001, and Vizcaíno et al., 2001). Malignant melanoma, lymphoma, and lung and gastric carcinomas are the most frequently encountered nonmammary metastases to the breast in adults (Georgiannos et al., 2001, and Chaignaud et al., 1994). Primary colorectal adenocarcinoma (CRC) metastatic to the breast is extremely rare, with the medical literature having only 19 recorded cases. Typically CRC metastatic to the breast is indicative of widely disseminated disease and a poor prognosis. Here we present a case of poorly differentiated colon …
Molecular Bases Of Cutaneous And Uveal Melanomas, Sudeep Gaudi, Jane L. Messina
Molecular Bases Of Cutaneous And Uveal Melanomas, Sudeep Gaudi, Jane L. Messina
Pathology and Cell Biology Faculty Publications
Intensive research in recent years has begun to unlock the mysteries surrounding the molecular pathogenesis of melanoma, the deadliest of skin cancers. The high-penetrance, low-frequency susceptibility gene CDKN2A produces tumor suppressor proteins that function in concert with p53 and retinoblastoma protein to thwart melanomagenesis. Aberrant CDKN2A gene products have been implicated in a great many cases of familial cutaneous melanoma. Sporadic cases, on the other hand, often involve constitutive signal transduction along the mitogen-activated protein kinase (MAPK) pathway, with particular focus falling upon mutated RAS and RAF protooncogenes. The proliferative effects of the MAPK pathway may be complemented by the …
The Effect Of Various Carbohydrate Supplements On Postprandial Blood Glucose Response In Female Soccer Players, Nina Pannoni
The Effect Of Various Carbohydrate Supplements On Postprandial Blood Glucose Response In Female Soccer Players, Nina Pannoni
USF Tampa Graduate Theses and Dissertations
PURPOSE: The purpose of this study is to examine the effects of different types of carbohydrates on blood glucose response in collegiate soccer athletes at rest. This will help to determine the effectiveness of a carbohydrate supplement in providing sustained energy and maintained performance if ingested prior to a soccer match. METHODS: In a cross-over design, 10 female collegiate soccer players (n= 10, age 20.10 ± .99 years, height 65.55 ± 2.77 inches, weight 64.12 ± 8.36 kilograms) from the University of South Florida reported to the laboratory on five separate occasions after an overnight fast. Once a baseline blood …
The Effects Of Pre-Exercise Carbohydrate Supplementation On Resistance Training Performance During An Acute Resistance Training Session, Kelly Raposo
USF Tampa Graduate Theses and Dissertations
It appears that "carbohydrate loading" may enhance the performance of resistance training, but studies on CHO supplementation prior to a resistance-training bout are limited and have resulted in conflicting findings. PURPOSE: To investigate the effects of pre-exercise CHO supplementation on high-intensity (>75% 1RM) resistance training performance for resistance-trained women during an acute bout of resistance exercise. METHODS: Thirteen resistance trained female participants (21.9 ± 4.8 yrs; 64.5 ± 3.0 in; 137.0 ± 14.8 lbs) came to the Exercise and Performance Nutrition Laboratory on three separate occasions; the day of the Familiarization Trial (FT) and the two Exercise Testing sessions …