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Articles 121 - 135 of 135
Full-Text Articles in Medicine and Health Sciences
Modulation Of Autoimmune Diabetes By B Cells Specific For N-Acetyl-D-Glucosamine, Brian L. Dizon
Modulation Of Autoimmune Diabetes By B Cells Specific For N-Acetyl-D-Glucosamine, Brian L. Dizon
All ETDs from UAB
Type I diabetes (T1D) is an autoimmune disease in which ß cells are destroyed by the immune system; however, role of infections in type I diabetes (T1D) pathogenesis is unclear. Reports suggesting that childhood Group A Streptococcal (GAS) infections protected against T1D prompted us to study how antibodies to N-acetyl-D-glucosamine (GlcNAc), which are induced by GAS infection, influenced T1D development. We found that GlcNAc-specific antibodies reacted with ß cell secretory granules, and neonatal NOD mice immunized with GAS or given GAS-immune sera were protected from spontaneous diabetes. Monoclonal GlcNAc-specific IgM blocked activation and effector responses to islet antigens by diabetogenic …
Fat Distribution And Metabolic Health: The Effects Of Macronutrient Manipulation On Fat Distribution, Weight Loss, And Glucose Metabolism, Amy Miskimon Goss
Fat Distribution And Metabolic Health: The Effects Of Macronutrient Manipulation On Fat Distribution, Weight Loss, And Glucose Metabolism, Amy Miskimon Goss
All ETDs from UAB
Fat distribution pattern may contribute to risk of development of metabolic diseases such and type 2 diabetes and cardiovascular disease. However, the precise nature of the relationships between adipose tissue depots and metabolic health remains controversial. Additionally, further research is needed to identify optimal dietary approaches to reduce disease risk and visceral adiposity among overweight and obese individuals, who may already be on a trajectory for development of metabolic disease. Therefore, the goal of this project was to examine relationships of adipose tissue depots with insulin sensitivity, and then to determine if diets differing in CHO and fat content can …
The Antecedents And Consequences Of Public Hospital Privatization, Zo Harivololona Ramamonjiarivelo
The Antecedents And Consequences Of Public Hospital Privatization, Zo Harivololona Ramamonjiarivelo
All ETDs from UAB
ABSTRACT The purpose of this study was to explore the antecedents and consequences of public hospital privatization with special attention to financial distress and financial performance. A national sample of public hospitals using secondary longitudinal data from 1997 to 2009 was used in this study. Data set from the American Hospital Association, the Area Resource File, the Medicare Cost Report and the Local Area Unemployment Statistics were merged to test the hypotheses pertaining to each research question. Based on the resource dependence theory, both environmental variables and organizational variables were included in the analyses. This study adopted the Altman Z-score …
Examining Spasticity After Spinal Cord Injury Using A Novel Robotic Assessment, Leslie R. Van Hiel
Examining Spasticity After Spinal Cord Injury Using A Novel Robotic Assessment, Leslie R. Van Hiel
All ETDs from UAB
This study investigated a novel robotic assessment of spasticity resulting from a spinal cord injury (SCI). Torque data was analyzed to provide a single measure spasticity score. Three participants with motor incomplete SCI and resultant spasticity were compared to three non-injured participants (NI) using three different angular velocities of passive lower extremity movement in the Lokomat gait orthosis. The mean spasticity scores (NI vs. SCI) at120°/s, 180°/s, and 240°/s were: 0.41 ± 0.30 vs. 3.70 ± 2.07; 0.65 ± 0.49 vs. 4.33 ± 3.57; and 1.55 ± 1.16 vs. 5.26 ± 3.99, respectively. Mean surface electrode electromyography measures (NI vs. …
Localization Of Proteins Involved In Trafficking In Frog And Mouse Retina, Amie Marsh
Localization Of Proteins Involved In Trafficking In Frog And Mouse Retina, Amie Marsh
All ETDs from UAB
The connecting cilium serves as the major route for protein transport from the inner to outer segment of photoreceptor cells. The hypothesis that all Congenital Stationary Night Blindness (CSNB) rhodopsin mutants travel properly to the rod outer segment in Xenopus laevis will be tested by preparing transgenic X. laevis expressing a rhodopsin mutation found in human CSNB, A295V. In addition, probing for the existence of potential proteins involved in regulating rhodopsin trafficking and monitoring their localization will contribute to a better understanding of the underlying pathway of intracellular photoreceptor trafficking.
The Influence Of Growth Factors Applied During Socket Conversion, On The Incidence Of Spontaneous Early Dental Implant Exposure, Michael Anh Minh Nguyen
The Influence Of Growth Factors Applied During Socket Conversion, On The Incidence Of Spontaneous Early Dental Implant Exposure, Michael Anh Minh Nguyen
All ETDs from UAB
Spontaneous early exposure of a dental implant's cover screw can result in a nidus for plaque accumulation, which may result in inflammation, damage to the peri-implant mucosa, and possible peri-implant bone loss. This study aims to investigate the effect of the addition of growth factors, specifically recombinant human platelet-derived growth factor, and platelet-rich plasma, at the time of socket conversion, on the incidence of early implant exposures. This retrospective study utilized data from a study involving a total of 80 implants that were placed in 4 different types of sites (Groups 1,2,3, and 4). Group 1 sites were extraction sites …
Regulation Of Clc-3 In Human Malignant Glioma, Vishnu Anand Cuddapah
Regulation Of Clc-3 In Human Malignant Glioma, Vishnu Anand Cuddapah
All ETDs from UAB
Malignant gliomas are the most common and deadly form of primary brain cancer afflicting adults. Current treatment regimens, including surgical debulking, radiotherapy, and chemotherapy, have limited efficacy, and median patient survival remains only 14 months. Therefore, novel therapies must target different aspects of glioma biology. Two of the most striking features of this cancer are the unusual ability of glioma cells to robustly proliferate and migrate in the brain, and recent evidence suggests that ClC-3, a voltage-gated Cl- channel/transporter is implicated in both of these processes. We hypothesize that ClC-3 may facilitate proliferation and migration by promoting hydrodynamic shape and …
Structural And Molecular Studies Of Nucleic Acid Chaperones, Lei Ding
Structural And Molecular Studies Of Nucleic Acid Chaperones, Lei Ding
All ETDs from UAB
Nucleic acids are the storage of genetic information that needs to be expressed and inherited. As abundant cellular macromolecules they are also major players of a wide variety of biological processes. They usually undergo post-transcriptional modifications and/or fold into higher order structures in order to accomplish their distinct functions. Most biological events involving nucleic acids are achieved by proteins that interact with them. The functionality requires specific recognition of nucleic acids by proteins at molecular level. Nucleic acid chaperones are a group of nucleic acids binding proteins that associate with structured RNAs or DNAs and assist correct folding of their …
Distribution/Localization And Relative Quantitation Of C-Terminal Αa-Crystallin Truncation Products Within Lenses Of Icr/F Rats Treated With Dietary Supplemented Genistein, Kyle Anthony Floyd
Distribution/Localization And Relative Quantitation Of C-Terminal Αa-Crystallin Truncation Products Within Lenses Of Icr/F Rats Treated With Dietary Supplemented Genistein, Kyle Anthony Floyd
All ETDs from UAB
The ocular lens functions to focus light coming into the eye onto the retina. Lens development begins in utero, and continues over an individual's lifetime. Lens fiber cells and their proteins are only synthesized once and have no repair mechanisms, so they remain for an individual's lifetime. The α-crystallins, the most abundant lens proteins, act as chaperones to keep damaged/unfolded proteins in-solution. Cataract disease is associated with protein damage, leading to a light scattering opacity. It has been suggested that truncation of αA-crystallin leads to a loss of chaperone function. Cataract disease is the leading cause of blindness in the …
Modulation Of Wzy-Dependent Capsule Production In Streptococcus Pneumoniae By The Phosphotyrosine-Specific Phosphatase Cpsb, Kimball Aaron Geno
Modulation Of Wzy-Dependent Capsule Production In Streptococcus Pneumoniae By The Phosphotyrosine-Specific Phosphatase Cpsb, Kimball Aaron Geno
All ETDs from UAB
Biosynthesis of capsule polysaccharide in the Gram-positive pathogen Streptococcus pneumoniae is regulated in part through the action of a phosphoregulatory system comprised of the products of the capsule biosynthetic operon genes cpsBCD. CpsC and CpsD together comprise an autophosphorylating tyrosine kinase whose homologs are implicated in chain length regulation in other systems in both Gram-positive and Gram-negative organisms. CpsB is the cognate phosphatase for the system. Unlike Gram-negative organisms, which use a low molecular weight phosphotyrosine phosphatase in phosphoregulation of capsule synthesis, Gram-positive organisms utilize a polymerase and histidinol phosphatase (PHP) superfamily phosphatase. Deletion of cpsB has resulted in conflicting …
The Impact Of Community Health Centers On Prostate Cancer Screening Behaviors Of African American Males: A Mixed Methods Study, Michael C. Taylor
The Impact Of Community Health Centers On Prostate Cancer Screening Behaviors Of African American Males: A Mixed Methods Study, Michael C. Taylor
All ETDs from UAB
THE IMPACT OF COMMUNITY HEALTH CENTERS ON PROSTATE CANCER SCREENING BEHAVIORS OF AFRICAN AMERICAN MALES: A MIXED METHODS STUDY MICHAEL C. TAYLOR UAB SCHOOL OF PUBLIC HEALTH DEPARTMENT OF HEALTH BEHAVIOR ABSTRACT Federally qualified community health centers have a significant impact upon uninsured and low income populations in the United States by providing low cost primary care and preventive services. The purpose of this mixed methods study was to determine the impact of community health centers (CHCs) on African American males' prostate cancer screening behavior in a major Southern city. A sequential explanatory mixed method model was used to assess …
Hepatic Effect Of Inhaled Ozone In Sprague-Dawley Rat, Whitney Slone Theis
Hepatic Effect Of Inhaled Ozone In Sprague-Dawley Rat, Whitney Slone Theis
All ETDs from UAB
Ozone (O3) is a primary component of photochemical smog and represents a serious public health concern as more than 50% of the U.S. population lives in areas exceeding national ambient air quality standards for this toxic pollutant. Recent findings indicate that the effects of inhaled O3 extend to extra-pulmonary tissues like the heart and liver. We hypothesize that inhaled O3 exposure-related events in the lung will cause downstream alterations in the liver proteome. To test this, we exposed male Sprague-Dawley rats to 0.5 ppm ozone for 8 hr a day for 5 days. After exposures, livers were removed and proteomic …
Screening For Medical Referral: Determining Variables That Influence Accuracy, Heather Ellis Mount
Screening For Medical Referral: Determining Variables That Influence Accuracy, Heather Ellis Mount
All ETDs from UAB
SCREENING FOR MEDICAL REFERRAL: DETERMINING VARIABLES THAT INFLUENCE ACCURACY HEATHER E. MOUNT DOCTOR OF SCIENCE IN PHYSICAL THERAPY ABSTRACT Background: Screening for medical referral is essential to autonomous practice; however, no studies have examined the medical screening abilities of physical therapists in various settings. Objective: The purpose of this study was to determine if physical therapists in various practice settings could appropriately screen for medical referral, given brief clinical vignettes. Methods: A Delphi study was performed to enhance the content validity of the vignettes. After reviewing the vignettes, survey participants determined if they would provide intervention, provide intervention and refer, …
The Characteristics Of Soft Tissue Following Root Coverage Procedures With Two Types Of Acellular Dermal Matrix Allografts, Ramzi Abou Arraj
The Characteristics Of Soft Tissue Following Root Coverage Procedures With Two Types Of Acellular Dermal Matrix Allografts, Ramzi Abou Arraj
All ETDs from UAB
Acellular dermal matrix allograft (ADMA) has emerged as a reliable substitute for autogenous soft tissue grafts in the treatment of gingival recessions and lack of keratinized gingiva (KG). ADMA has been hypothesized to create a zone of "immobile tissue" extending apical to the mucogingival junction (MGJ). This project aims to investigate the presence of this zone associated with the use of a coronally advanced flap in combination with either AlloDerm® (ADMA A) or Puros Dermis® (ADMA B) for root coverage procedures. Twenty patients, each presenting with one Miller Class I or II recession defect, were randomized to receive either ADMA …
Regulation And Function Of Interleukin-21-Producing T Cells And Immune-Mediated Control Of Hiv-1 Infection, Latonya Denise Williams
Regulation And Function Of Interleukin-21-Producing T Cells And Immune-Mediated Control Of Hiv-1 Infection, Latonya Denise Williams
All ETDs from UAB
CD8 T cells play a critical role in controlling intracellular pathogens, particularly viruses. However, during persistent viral infections, such as human immunodeficiency virus-1 (HIV-1) infection, virus-specific CD8 T cells become increasingly impaired by poorly understood mechanisms. Massive CD4 T cell depletion is a hallmark of HIV-1 infection and is associated with CD8 T cell dysfunction and ineffective viral containment. CD4 T cells provide critical helper signals to CD8 T cells, especially during uncontrolled viral infections. Mouse models of chronic viral infection implicate interleukin-21 (IL-21), produced primarily by CD4 T cells, as a vital factor necessary for the maintenance of fully …