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Articles 2791 - 2820 of 45200
Full-Text Articles in Entire DC Network
Rfc2 May Contribute To The Pathogenicity Of Williams Syndrome Revealed In A Zebrafish Model, Yu-Ri Lee, Dilan Wellalage Don, Jaya K George-Abraham, Laurie A Robak, Cristina C Trandafir, Pengfei Liu, Jill A Rosenfeld, Tae Hyeong Kim, Florence Petit, Yoo-Mi Kim, Chong Kun Cheon, Yoonsung Lee, Cheol-Hee Kim
Rfc2 May Contribute To The Pathogenicity Of Williams Syndrome Revealed In A Zebrafish Model, Yu-Ri Lee, Dilan Wellalage Don, Jaya K George-Abraham, Laurie A Robak, Cristina C Trandafir, Pengfei Liu, Jill A Rosenfeld, Tae Hyeong Kim, Florence Petit, Yoo-Mi Kim, Chong Kun Cheon, Yoonsung Lee, Cheol-Hee Kim
Faculty, Staff and Students Publications
Williams syndrome (WS) is a rare multisystemic disorder caused by recurrent microdeletions on 7q11.23, characterized by intellectual disability, distinctive craniofacial and dental features, and cardiovascular problems. Previous studies have explored the roles of individual genes within these microdeletions in contributing to WS phenotypes. Here, we report five patients with WS with 1.4 Mb-1.5 Mb microdeletions that include RFC2, as well as one patient with a 167-kb microdeletion involving RFC2 and six patients with intragenic variants within RFC2. To investigate the potential involvement of RFC2 in WS pathogenicity, we generate a rfc2 knockout (KO) zebrafish using CRISPR-Cas9 technology. Additionally, we generate …
The Internist's Post V.1 N.10, The University Of Texas Rio Grande Valley. School Of Medicine, Eunbee Cho, Osiris Fernandez, Hector D. Preciado, Sobia Memon, Diana Acosta Pozo, Corey Haines, Roque Mifuji Lira, Martha Solis, Cesar Gutierrez
The Internist's Post V.1 N.10, The University Of Texas Rio Grande Valley. School Of Medicine, Eunbee Cho, Osiris Fernandez, Hector D. Preciado, Sobia Memon, Diana Acosta Pozo, Corey Haines, Roque Mifuji Lira, Martha Solis, Cesar Gutierrez
School of Medicine Publications
No abstract provided.
Bst2 Facilitates Activation Of Hematopoietic Stem Cells Through Erk Signaling, Holly A Hill, Youngjae Jeong, Brian M Ho, Pawel Kus, Trisha K Wathan, Bailee N Kain, Shixia Huang, Dongsu Park, Katherine Y King
Bst2 Facilitates Activation Of Hematopoietic Stem Cells Through Erk Signaling, Holly A Hill, Youngjae Jeong, Brian M Ho, Pawel Kus, Trisha K Wathan, Bailee N Kain, Shixia Huang, Dongsu Park, Katherine Y King
Faculty, Staff and Students Publications
The proinflammatory cytokine interferon-gamma (IFNγ) is upregulated in a variety of infections and contributes to bone marrow failure through hematopoietic stem cell (HSC) activation and subsequent exhaustion. The cell surface protein, bone marrow stromal antigen 2 (BST2), is a key mediator of this process, as it is induced upon interferon stimulation and required for interferon-dependent HSC activation. To identify the mechanism by which BST2 promotes interferon-dependent HSC activation, we evaluated its role in niche localization, immune cell function, lipid raft formation, and intracellular signaling. Our studies indicated that knock out (KO) of BST2 in a murine model does not disrupt …
Proteomic Analysis Uncovers Multiprotein Signatures Associated With Early Diabetic Kidney Disease In Youth With Type 2 Diabetes Mellitus, Kumar Sharma, Sushrut Waikar, Anita Layton, Kalie L Tommerdahl, Ian De Boer, Timothy Vigers, Robert G Nelson, Jane Lynch, Frank Brosius, Pierre J Saulnier, Jesse A Goodrich, Jeanie B Tryggestad, Elvira Isganaitis, Fida Bacha, Kristen J Nadeau, Daniel Van Raalte, Matthias Kretzler, Hiddo Heerspink, Petter Bjornstad
Proteomic Analysis Uncovers Multiprotein Signatures Associated With Early Diabetic Kidney Disease In Youth With Type 2 Diabetes Mellitus, Kumar Sharma, Sushrut Waikar, Anita Layton, Kalie L Tommerdahl, Ian De Boer, Timothy Vigers, Robert G Nelson, Jane Lynch, Frank Brosius, Pierre J Saulnier, Jesse A Goodrich, Jeanie B Tryggestad, Elvira Isganaitis, Fida Bacha, Kristen J Nadeau, Daniel Van Raalte, Matthias Kretzler, Hiddo Heerspink, Petter Bjornstad
Faculty, Staff and Students Publications
Background: The onset of diabetic kidney disease (DKD) in youth with type 2 diabetes (T2D) mellitus often occurs early, leading to complications in young adulthood. Risk biomarkers associated with the early onset of DKD are urgently needed in youth with T2D.
Methods: We conducted an in-depth analysis of 6596 proteins (SomaScan 7K) in 374 baseline plasma samples from the Treatment Options for Type 2 Diabetes in Adolescents and Youth study to identify multiprotein signatures associated with the onset of albuminuria (urine albumin-to-creatinine ratio ≥30 mg/g), a rapid decline in eGFR (annual eGFR decline >3 ml/min per 1.73 m2 and/or ≥3.3% …
Understanding Health-Related Quality Of Life After Hypospadias Repair: A Qualitative Study With Pre-Adolescent Males And Parents, Heidi W Brown, Walid A Farhat, Marisa E Hilliard
Understanding Health-Related Quality Of Life After Hypospadias Repair: A Qualitative Study With Pre-Adolescent Males And Parents, Heidi W Brown, Walid A Farhat, Marisa E Hilliard
Faculty, Staff and Students Publications
Introduction: Hypospadias is a common disease that affects approximately 1 in every 200 live male births in the United States, and long-term studies of individuals who have undergone repair demonstrate complication rates of 15%-70%. The Hypospadias-Specific Health-related Quality of Life (HRQOL) Conceptual Framework for youth and adults suggests that additional morbidity may be incurred from poor psychological, social, and sexual health. The current study sought to clarify hypospadias-specific HRQOL and care priorities in a pre-pubertal population.
Material and methods: This IRB-approved, semi-structured interview study used rigorous qualitative research methods. Eligible patients were English-speaking 8-12-year-old males with hypospadias and their parents. …
Maternal Glycemic Status And Longitudinal Fetal Body Composition And Organ Volumes Based On Three-Dimensional Ultrasonography, Cuilin Zhang, Stefanie N Hinkle, Dian He, Wesley Lee, Roger B Newman, John Owen, Daniel W Skupski, William A Grobman, Seth Sherman, Fasil Tekola-Ayele, Jagteshwar Grewal, Katherine L Grantz
Maternal Glycemic Status And Longitudinal Fetal Body Composition And Organ Volumes Based On Three-Dimensional Ultrasonography, Cuilin Zhang, Stefanie N Hinkle, Dian He, Wesley Lee, Roger B Newman, John Owen, Daniel W Skupski, William A Grobman, Seth Sherman, Fasil Tekola-Ayele, Jagteshwar Grewal, Katherine L Grantz
Faculty, Staff and Students Publications
Objective: Gestational diabetes mellitus (GDM) increases the risk of fetal overgrowth as measured by two-dimensional ultrasonography. Whether fetal three-dimensional (3D) soft tissue and organ volumes provide additional insight into fetal overgrowth is unknown.
Research design and methods: We prospectively evaluated longitudinal 3D fetal body composition and organ volumes in a diverse U.S. singleton pregnancy cohort (2015-2019). Women were diagnosed with GDM, impaired glucose tolerance (IGT), or normal glucose tolerance (NGT). Up to five 3D ultrasound scans measured fetal body composition and organ volumes; trajectories were modeled using linear mixed models. Overall and weekly mean differences in fetal 3D trajectories were …
Shared Genetic Architecture Of Non-Viral Cirrhosis With Several Pleiotropic Traits: A Nested Case-Control Study In The Uk Biobank, Aaron P Thrift, Sabrina M Lin, Xiangjun Xiao, Hyeyeun Lim, Goo Jun, Stacia M Desantis, Hashem B El-Serag, Fasiha Kanwal, Christopher I Amos
Shared Genetic Architecture Of Non-Viral Cirrhosis With Several Pleiotropic Traits: A Nested Case-Control Study In The Uk Biobank, Aaron P Thrift, Sabrina M Lin, Xiangjun Xiao, Hyeyeun Lim, Goo Jun, Stacia M Desantis, Hashem B El-Serag, Fasiha Kanwal, Christopher I Amos
Faculty, Staff and Students Publications
Background & aims: Cirrhosis is a leading cause of liver-related mortality and a multifactorial disease. To date, the complex genetic architecture of non-viral cirrhosis has not been fully explored. Cross-trait genetic correlations can elucidate the common genetic etiology of genetically correlated phenotypes. This study aims to identify polygenic and pleiotropic traits associated with cirrhosis using the linkage disequilibrium score regression analysis.
Methods: We conducted genome-wide association analysis of 9,622,842 imputed SNPs on 3,368 non-viral cirrhosis cases and 258,258 controls, and cross-trait analysis between non-viral cirrhosis and various polygenic and pleiotropic traits using the UK Biobank cohort study. We further performed …
Experiences In Providing A Community Educational Resource For The All Of Us Researcher Workbench, Stephen Richards, Pamela N Luna, Laterrica Williams, Julie R Coleman, Jasmine N Baker, Shamika Ketkar, Ashley M Butler, Latanya Hammonds-Odie, Elizabeth G Atkinson, Kim C Worley, Debra D Murray, Brendan Lee, Steven E Scherer
Experiences In Providing A Community Educational Resource For The All Of Us Researcher Workbench, Stephen Richards, Pamela N Luna, Laterrica Williams, Julie R Coleman, Jasmine N Baker, Shamika Ketkar, Ashley M Butler, Latanya Hammonds-Odie, Elizabeth G Atkinson, Kim C Worley, Debra D Murray, Brendan Lee, Steven E Scherer
Faculty, Staff and Students Publications
OBJECTIVE: Educational offerings to fill the bioinformatics knowledge gap are a key component to enhancing access and use of health data from the All of Us Research Program. We developed a Train the Trainer-based, innovative training series including project-based learning, modular on-demand demonstrations, and unstructured tutorial time as a model for educational engagement in the All of Us community.
MATERIALS AND METHODS: We highlight our training modules and content, with training survey data informing cycles of development in the creation of a 6-module training series with modular demonstrations.
RESULTS: We have conducted 2 public iterations of the Train the Trainer …
Performance Of Formulas Included In The Escrs Intraocular Lens Power Calculator
Performance Of Formulas Included In The Escrs Intraocular Lens Power Calculator
Faculty, Staff and Students Publications
Purpose: To compare the refractive prediction errors (PEs) of formulas included in the ESCRS intraocular lens (IOL) power calculator to aid in informed decisions on IOL power selection based on the output of this tool.
Setting: Cullen Eye Institute, Baylor College of Medicine, Houston, Texas.
Design: Retrospective case-series.
Methods: 748 eyes of 748 patients after implantation of 1 of 3 lenses were included, single-piece: the SN60WF, PCB00/ZCB00 and 3-piece: MA60MA. IOL constants recommended by the calculator were used for the study. We performed analysis for the whole dataset, short (< 22 mm) and long eyes (>25 mm) as well as in subgroups based on the …
Chemogenetic Neuronal Silencing Decouples C-Jun Activation From Cell Death In The Temporal Cortex, Melissa A Rudy, Trent A Watkins, Joanna L Jankowsky
Chemogenetic Neuronal Silencing Decouples C-Jun Activation From Cell Death In The Temporal Cortex, Melissa A Rudy, Trent A Watkins, Joanna L Jankowsky
Faculty, Staff and Students Publications
Initial symptoms of neurodegenerative diseases are often defined by the loss of the most vulnerable neural populations specific to each disorder. In the early stages of Alzheimer's disease, vulnerable circuits in the temporal lobe exhibit diminished activity prior to overt degeneration. It remains unclear whether these functional changes contribute to regional vulnerability or are simply a consequence of pathology. We previously found that entorhinal neurons in the temporal cortex undergo cell death following transient suppression of electrical activity, suggesting a causal role for activity disruption in neurodegeneration. Here we demonstrate that electrical arrest of this circuit stimulates the injury-response transcription …
Prediagnostic Amino Acid Metabolites And Risk Of Gout, Accounting For Serum Urate: Prospective Cohort Study And Mendelian Randomization, Adrienne Tin, Oana Zeleznik, A Heather Eliassen, Gary C Curhan, Hang-Korng Ea, Matthew Nayor, Laura M Raffield, Hyon K Choi
Prediagnostic Amino Acid Metabolites And Risk Of Gout, Accounting For Serum Urate: Prospective Cohort Study And Mendelian Randomization, Adrienne Tin, Oana Zeleznik, A Heather Eliassen, Gary C Curhan, Hang-Korng Ea, Matthew Nayor, Laura M Raffield, Hyon K Choi
Faculty, Staff and Student Publications
Objective: Our objective was to prospectively investigate prediagnostic population-based metabolome for risk of hospitalized gout (ie, most accurate, severe, and costly cases), accounting for serum urate.
Methods: We conducted prediagnostic metabolome-wide analyses among 249,677 UK Biobank participants with nuclear magnetic resonance metabolomic profiling (N = 168 metabolites, including eight amino acids) from baseline blood samples (2006-2010) without a history of gout. We calculated multivariable hazard ratios (HRs) for hospitalized incident gout, before and after adjusting for serum urate levels; we included patients with nonhospitalized incident gout in a sensitivity analysis. Potential causal effects were evaluated with two-sample Mendelian randomization.
Results: …
Bivariate Genome-Wide Association Study Of Circulating Fibrinogen And C-Reactive Protein Levels, Abbas Dehghan, Maria Sabater-Lleal, Alanna C Morrison, Paul S De Vries
Bivariate Genome-Wide Association Study Of Circulating Fibrinogen And C-Reactive Protein Levels, Abbas Dehghan, Maria Sabater-Lleal, Alanna C Morrison, Paul S De Vries
Faculty, Staff and Student Publications
Background: Fibrinogen and C-reactive protein (CRP) play an important role in inflammatory pathways and share multiple genetic loci reported in previously published genome-wide association studies (GWAS), highlighting their common genetic background. Leveraging the shared biology may identify further loci pleiotropically associated with both fibrinogen and CRP.
Objectives: To identify novel genetic variants that are pleiotropic and associated with both fibrinogen and CRP, by integrating both phenotypes in a bivariate GWAS by using a multitrait GWAS.
Methods: We performed a bivariate GWAS to identify further pleiotropic genetic loci, using summary statistics of previously published GWAS on fibrinogen (n = 120 246) …
Pediatric High Blood Pressure Recognition Associated With Electronic Decision Support: A Cohort Analysis, Justin Rahman, Alisa A Acosta, Jessica F Campbell, Mary Hoang, Katharine E Sigler, Elizabeth A Onugha, Shweta S Shah, S Kristen Sexson-Tejtel, Mark Farrior, Scott Watson
Pediatric High Blood Pressure Recognition Associated With Electronic Decision Support: A Cohort Analysis, Justin Rahman, Alisa A Acosta, Jessica F Campbell, Mary Hoang, Katharine E Sigler, Elizabeth A Onugha, Shweta S Shah, S Kristen Sexson-Tejtel, Mark Farrior, Scott Watson
Faculty, Staff and Students Publications
Background: Pediatric high blood pressure (BP) predicts future cardiovascular disease events. High BP is improperly measured, underrecognized, and undermanaged especially in disadvantaged populations. In a large, diverse, academic pediatric practice, we detail the associations of a comprehensive initiative with high BP provider recognition.
Methods: A comprehensive BP initiative was promulgated including (1) retraining providers and staff on BP management; (2) deploying equipment at 55+ sites; and (3) electronic decision support tool alerting staff and clinicians and suggesting management. During the 14-month preintervention and 14-month postintervention periods, data on BP and patient characteristics were collected. The outcome was incident BP recognition …
Chronic Β3-Ar Stimulation Activates Distinct Thermogenic Mechanisms In Brown And White Adipose Tissue And Improves Systemic Metabolism In Aged Mice, Shoba Ekambaram, Weidong Wang, Michael Rudolph, Mahmoud A Mohammad, Shaji K Chacko, Madhan Subramanian, Stefano Tarantini, Andriy Yabluchanskiy, Zoltan Ungvari, Anna Csiszar, Priya Balasubramanian
Chronic Β3-Ar Stimulation Activates Distinct Thermogenic Mechanisms In Brown And White Adipose Tissue And Improves Systemic Metabolism In Aged Mice, Shoba Ekambaram, Weidong Wang, Michael Rudolph, Mahmoud A Mohammad, Shaji K Chacko, Madhan Subramanian, Stefano Tarantini, Andriy Yabluchanskiy, Zoltan Ungvari, Anna Csiszar, Priya Balasubramanian
Faculty, Staff and Students Publications
Adipose thermogenesis has been actively investigated as a therapeutic target for improving metabolic dysfunction in obesity. However, its applicability to middle-aged and older populations, which bear the highest obesity prevalence in the United States (approximately 40%), remains uncertain due to age-related decline in thermogenic responses. In this study, we investigated the effects of chronic thermogenic stimulation using the β3-adrenergic (AR) agonist CL316,243 (CL) on systemic metabolism and adipose function in aged (18-month-old) C57BL/6JN mice. Sustained β3-AR treatment resulted in reduced fat mass, increased energy expenditure, increased fatty acid oxidation and mitochondrial activity in adipose depots, improved glucose homeostasis, and a …
Association Of Left Atrial Function With Frailty: The Atherosclerosis Risk In Communities (Aric) Study, Anne Eaton, Pamela L Lutsey, B Gwen Windham, Riccardo M Inciardi, Scott D Solomon, Christie M Ballantyne, Amil M Shah, Lin Yee Chen
Association Of Left Atrial Function With Frailty: The Atherosclerosis Risk In Communities (Aric) Study, Anne Eaton, Pamela L Lutsey, B Gwen Windham, Riccardo M Inciardi, Scott D Solomon, Christie M Ballantyne, Amil M Shah, Lin Yee Chen
Faculty, Staff and Students Publications
Background: Frailty is common in people with cardiovascular disease. Worse left atrial (LA) function is an independent risk factor for cardiovascular disease. However, whether worse LA function is associated with frailty is unclear.
Methods: We included 3292 older adults from the Atherosclerosis Risk in Communities study who were non-frail at baseline (visit 5, 2011-2013) and had LA function (reservoir, conduit, and contractile strain) measured from two-dimensional speckle-tracking echocardiography. LA stiffness index was calculated as a ratio of E/e' to LA reservoir strain. Frailty was defined using the validated Fried frailty phenotype. Incident frailty was assessed between 2016 and 2019 during …
Pathophysiology And Treatment Of Prediabetes And Type 2 Diabetes In Youth, Julie M Pike, Ashley Butler, Kalie L Tommerdahl, Philip S Zeitler
Pathophysiology And Treatment Of Prediabetes And Type 2 Diabetes In Youth, Julie M Pike, Ashley Butler, Kalie L Tommerdahl, Philip S Zeitler
Faculty, Staff and Students Publications
Youth-onset type 2 diabetes is a heterogeneous disease with increasing prevalence in relation to increased rates of obesity in children. It has genetic, epigenetic, social, and environmental determinants. Youth-onset type 2 diabetes is alarming given a rapidly progressive course compared with the course of adult-onset disease, early-onset vascular complications, and long-term exposure to hyperglycemia and associated complications. It is often preceded by prediabetes, a disease phase where defects in β-cell function relative to insulin sensitivity emerge. Herein, we review the current understanding of the pathophysiology of prediabetes and type 2 diabetes in youth. We describe the mechanisms underlying insulin resistance, …
Microbiota-Gut-Brain Axis In Psychiatry: Focus On Depressive Disorders
Microbiota-Gut-Brain Axis In Psychiatry: Focus On Depressive Disorders
Faculty, Staff and Students Publications
Purpose of review: Gut microbiota contribute to several physiological processes in the host. The composition of the gut microbiome is associated with different neurological and neurodevelopmental diseases. In psychiatric disease, stress may be a major factor leading to gut microbiota alterations. Depressive disorders are the most prevalent mental health issues worldwide and patients often report gastrointestinal symptoms. Accordingly, evidence of gut microbial alterations in depressive disorders has been growing. Here we review current literature revealing links between the gut microbiome and brain function in the context of depression.
Recent findings: The gut-brain axis could impact the behavioral manifestation of depression …
Stem Teacher Perceptions In East Tennessee About Using Artificial Intelligence In Classroom Operations, David Robinson
Stem Teacher Perceptions In East Tennessee About Using Artificial Intelligence In Classroom Operations, David Robinson
Electronic Theses and Dissertations
The purpose of this quantitative study was to explore the perceptions of Secondary STEM Teachers in rural East Tennessee about Artificial Intelligence instructional use. The researcher examined secondary STEM teachers' positive attitudes toward AI, challenges of using AI in the classroom, educators' confidence in using AI, and perceived benefits of AI. The participants of this study were located throughout East Tennessee, and had to self-identify as a 6-12 STEM teacher teaching in a rural district. The data were collected through Google Forms and the link to respond was posted in two different Facebook groups for distribution. The survey included 16 …
Mapping Amis Mill In Rogersville, Tennessee In The 1780s Using Geophysical Methods And Remote Sensing, Amy Collins
Mapping Amis Mill In Rogersville, Tennessee In The 1780s Using Geophysical Methods And Remote Sensing, Amy Collins
Electronic Theses and Dissertations
Geophysics and remote sensing were used at the Amis Mill and Homesite to determine the location of structures during the 1780s. Areas of interest were surveyed using shallow geophysical and remote sensing techniques including the orchard, horse pasture, original kitchen on the east side of the house, the west side of the house, plowed field, store site, and cemetery. After analyzing the results of the geophysical surveys and remote sensing, 22 sites were chosen to test inside and outside potential features. A large rectangular feature, possibly a tavern with a cellar, was discovered. Four other features were identified, three of …
Community College Student Success During Covid-19 Pandemic Based On Class Modality, Rebecca Aslinger
Community College Student Success During Covid-19 Pandemic Based On Class Modality, Rebecca Aslinger
Electronic Theses and Dissertations
The purpose of this non-experimental, quantitative, comparative study was to determine whether there were significant differences in Introduction to Education grades as measured by GPA among community college students between 2018-23 with the change of class modality due to the Covid-19 pandemic.
This study examined differences in Introduction to Education grades as measured by GPA at three community colleges from 2018-23. Archival data were used for this study. The population for this study consisted of all students enrolled in the Introduction to Education course at three institutions. Both in-person and online classes were examined during the time before, during, and …
Perceiving, Processing, And Evaluating Infant Facial Affect In Potential Parents: An Erp Study, Tiffany Bonnagio
Perceiving, Processing, And Evaluating Infant Facial Affect In Potential Parents: An Erp Study, Tiffany Bonnagio
Electronic Theses and Dissertations
Evidence for differences between assigned female at birth (AFAB) and assigned male at birth (AMAB) perceiving, processing, and evaluating infant faces has been mixed. The current study examined whether expected parental self-efficacy (EPSE) and desire for children predicts event-related potentials (ERPs) to infant facial affect in potential parents. No scale for EPSE exists. Therefore, we reworded the Perceived Maternal Parental Self-Efficacy scale from present to future tense. There was no correlation with EPSE scores, ERPs, or behavioral data. No difference was found between AFAB and AMAB in accurately evaluating infant faces; however, AFABs responded more quickly. ERP data revealed significantly …
Perceived Stigma's Influence On The Association Between Suicide Risk Severity And Help-Seeking For Suicidal Crises, Donna Zastrow
Perceived Stigma's Influence On The Association Between Suicide Risk Severity And Help-Seeking For Suicidal Crises, Donna Zastrow
Electronic Theses and Dissertations
Introduction: Unfortunately, research examining help-seeking for suicide is limited. This study examined age, race, gender, suicide risk severity, and perceived stigma as predictors of formal and informal help-seeking behaviors individuals engage in during suicidal crises, and explored perceived stigma as a moderator of the relationship between risk severity and help-seeking. Method: Data from 80 college students who had experienced a past suicidal crisis were analyzed using two moderation analyses. Results: Rates of formal (67.5%) and informal (86.2%) help-seeking were high in the study sample. Higher suicide risk severity was positively associated with formal help-seeking (b = …
Educator Perceptions Of Career And Technical Education Courses And The Involvement In Career And Technical Student Organizations On Student Attendance, Robert Satterfield
Educator Perceptions Of Career And Technical Education Courses And The Involvement In Career And Technical Student Organizations On Student Attendance, Robert Satterfield
Electronic Theses and Dissertations
The purpose of this study was to investigate the perceptions of secondary teachers, administrators, and educational supervisors of the implications of Career and Technical Education courses and the involvement in Career and Technical Student Organizations on student attendance. Data for this study were collected quantitatively by utilizing Microsoft Forms to administer the survey to potential participants. The survey administered for this study contained 13 Likert scale questions and two open-ended questions. Once data were collected SPSS Version 25 was used to analyze the data from the survey. After data analysis, it was concluded that all 13 of the Likert scale …
College Student’S Learning Experiences During Covid-19 Among Traditional And Post-Traditional Students Enrolled In Institutions Affiliated With The Appalachian College Association, Jo Anne Smith
Electronic Theses and Dissertations
The purpose of this study was to determine the differences in the learning experiences, feelings and emotions, level of study support, and online learning during the COVID-19 pandemic between traditional and post-traditional college students enrolled in an institution affiliated with the Appalachian College Association.
A two-group comparison research design using a web-based survey was used for the study. Using the College Student’s Learning Experiences during COVID-19 among Traditional and Post-Traditional Students Enrolled in Institutions Affiliated with the Appalachian College Association survey, the research questions were analyzed with a sample size of N = 58, traditional college student group and N=33, …
Landslide Inventory And Unstable Slope Monitoring Along Highways In Eastern Tennessee, Robert Mcsweeney
Landslide Inventory And Unstable Slope Monitoring Along Highways In Eastern Tennessee, Robert Mcsweeney
Electronic Theses and Dissertations
This research introduces an unstable slope management program (USMP) for Tennessee based on federal slope management standards, along with improved methods for landslide monitoring with unmanned aerial systems (UAS) lidar and photogrammetry. In mountainous regions, monitoring slope hazards is a critical function of transportation management. A mobile field assessment form created with Survey123 was used to collect 22 unstable slope ratings in eastern Tennessee. Location points were appended with photographs, notes, and site information. Landslide scores ranged from 325 (Fair) to 1005 (Poor). UAS monitoring of a slow-moving soil landslide along I-40 near Rockwood, TN, produced high-resolution lidar and photogrammetry …
Service Provider Perceptions Of Systems Serving Individuals Experiencing Homelessness: A Needs Assessment And Strategic Plan In Johnson City, Tn, Opal Frye-Clark
Service Provider Perceptions Of Systems Serving Individuals Experiencing Homelessness: A Needs Assessment And Strategic Plan In Johnson City, Tn, Opal Frye-Clark
Electronic Theses and Dissertations
This Integrated Learning Experience (ILE) investigates service providers' perceptions of Johnson City, Tennessee's homelessness services, aiming to inform a city-wide strategic plan for reduction. Employing a mixed-methods approach, the study gathered qualitative data through in-depth interviews with service providers in 2022 and quantitative data via a 2024 survey. The research focused on those directly involved in serving or significantly influencing the lives of individuals experiencing homelessness (IEH). Three key aims guided the investigation: (1) To analyze provider perspectives to identify community assets, opportunities, barriers, and unmet needs, informing a comprehensive needs assessment; (2) To refine these findings through SWOT analysis …
Accelerating Heritability, Genetic Correlation, And Genome-Wide Association Imaging Genetic Analyses In Complex Pedigrees, Brian Donohue, Si Gao, Thomas E. Nichols, Bhim M. Adhikari, Yizhou Ma, Neda Jahanshad, Francis J. Mcmahon, Elizabeth M. Humphries, William Burroughs, John Blangero
Accelerating Heritability, Genetic Correlation, And Genome-Wide Association Imaging Genetic Analyses In Complex Pedigrees, Brian Donohue, Si Gao, Thomas E. Nichols, Bhim M. Adhikari, Yizhou Ma, Neda Jahanshad, Francis J. Mcmahon, Elizabeth M. Humphries, William Burroughs, John Blangero
School of Medicine Publications
National and international biobanking efforts led to the collection of large and inclusive imaging genetics datasets that enable examination of the contribution of genetic and environmental factors to human brains in illness and health. High-resolution neuroimaging (~104–6 voxels) and genetic (106–8 single nucleotide polymorphic [SNP] variants) data are available in statistically powerful (N = 103–5) epidemiological and disorder-focused samples. Performing imaging genetics analyses at full resolution afforded in these datasets is a formidable computational task even under the assumption of unrelatedness among the subjects. The computational complexity rises as ~N2–3 (where N is the sample size), when …
Validation Of Human Telomere Length Multi-Ancestry Meta-Analysis Association Signals Identifies Pop5 And Kbtbd6 As Human Telomere Length Regulation Genes, Rebecca Keener, Surya B. Chhetri, Carla J. Connelly, Margaret A. Taub, Matthew P. Conomos, Joshua Weinstock, Bohan Ni, Benjamin Strober, Stella Aslibekyan, John Blangero
Validation Of Human Telomere Length Multi-Ancestry Meta-Analysis Association Signals Identifies Pop5 And Kbtbd6 As Human Telomere Length Regulation Genes, Rebecca Keener, Surya B. Chhetri, Carla J. Connelly, Margaret A. Taub, Matthew P. Conomos, Joshua Weinstock, Bohan Ni, Benjamin Strober, Stella Aslibekyan, John Blangero
School of Medicine Publications
Genome-wide association studies (GWAS) have become well-powered to detect loci associated with telomere length. However, no prior work has validated genes nominated by GWAS to examine their role in telomere length regulation. We conducted a multi-ancestry meta-analysis of 211,369 individuals and identified five novel association signals. Enrichment analyses of chromatin state and cell-type heritability suggested that blood/immune cells are the most relevant cell type to examine telomere length association signals. We validated specific GWAS associations by overexpressing KBTBD6 or POP5 and demonstrated that both lengthened telomeres. CRISPR/Cas9 deletion of the predicted causal regions in K562 blood cells reduced expression of …
Bounds On 𝑎hvp,Lo Using Hölder’S Inequalities And Finite-Energy Qcd Sum Rules, Siyuan Li, T. G. Steele, Jason N.E. Ho, R. Raza, K. Williams, R. T. Kleiv
Bounds On 𝑎hvp,Lo Using Hölder’S Inequalities And Finite-Energy Qcd Sum Rules, Siyuan Li, T. G. Steele, Jason N.E. Ho, R. Raza, K. Williams, R. T. Kleiv
Faculty Work Comprehensive List
This study establishes bounds on the leading-order (LO) hadronic vacuum polarization (HVP) contribution to the anomalous magnetic moment of the muon (𝑎HVP,LO 𝜇 ,𝑎𝜇 =(𝑔 −2)𝜇∕2) by using Hölder’s inequality and related inequalities in Finite-Energy QCD sum rules. Considering contributions from light quarks (𝑢, 𝑑, 𝑠) up to five-loop order in perturbation theory within the chiral limit, leading-order light-quark mass corrections, next-to-leading order for dimension-four QCD condensates, and leading-order for dimension-six QCD condensates, the study finds QCD lower and upper bounds as (657.0±34.8)×10−10 ≤𝑎HVP,LO 𝜇 ≤(788.4±41.8)×10−10.
The Right To Inequality: Conservative Politics And Precedent Collide, Jonathan Feingold
The Right To Inequality: Conservative Politics And Precedent Collide, Jonathan Feingold
Faculty Scholarship
The “end of affirmative action” is the beginning of this story. In Students for Fair Admissions v. Harvard (SFFA), the Supreme Court struck a near fatal blow to race-consciousness. Many institutions have since pivoted to “race neutral alternatives.” This is a natural turn. But one that faces immediate headwinds.
The same entities that demanded Harvard pursue racial diversity through colorblind means have sued public high schools for doing just that. These litigants assert a “right to inequality”—a theory that would pit the equal protection clause against equality itself. Even if normatively jarring, a right to inequality might seem a …