Digital Commons Network^™

The Role Of Fast-Food Consumption, Residential Fast-Food Exposures, And Urinary Essential Trace Heavy Metals In Colorectal Cancer (Crc) Outcomes., Jeevan Adhikari

Electronic Theses and Dissertations

Background: Colorectal cancer (CRC) is a public health concern. Within the United States (US), fast-food consumption and environmental exposure to heavy metals have increased. The impact of fast-food consumption frequency from fast-food restaurants, residential fast-food exposures, and urinary essential trace heavy metals in relation to CRC outcomes have not yet been rigorously evaluated in the US. Methods: Within the LEAPS-CRC study, we used geographic information systems (GIS) and logistic regression to study the association of fast-food consumption, residential proximity to a fast-food outlet, and urinary essential trace metals with CRC incidence. Additionally, within Kentucky Cancer Registry (KCR) CRC cases, the …

Increasing Histidyl Dipeptides In Skeletal Muscle Preserves Muscle Mass And Function In Heart Failure., Mamata Hiraman Chaudhari

Electronic Theses and Dissertations

Introduction: Heart failure is a systemic disease associated with multiple comorbidities, such as skeletal muscle wasting and cardiopulmonary disease. Muscle wasting in heart failure patients is a severe comorbidity associated with decreased exercise capacity and poor quality of life. Previous reports show that oxidative stress is increased in the skeletal muscle of heart failure patients, which can directly lead to muscle wasting. However, antioxidant intervention in these patients was unable to improve cardiac function and consequently had no effect on muscle wasting. Although oxidative stress is the primary driver of skeletal muscle atrophy, no attempt has been made to examine …

Issue 16: Pulmonary & Critical Care Insider, Bharat Bajantri Md, Sarah Ellsworth Mls

Critical Care & Pulmonary

Pulmonary & Critical Care Insider Issue 16

Compiled by Bharat Bajantri, MD, and librarian Sarah Ellsworth, MLS for the clinicians of the Pulmonary and Critical Care team of Parkview.

The Pulmonary & Critical Care Insider newsletter was created by Dr. Bharat Bajantri, MD and Sarah Ellsworth, MLS in 2023 as a form of current awareness for current practice at our hospital, Parkview Health.

Topics:

EVERDAC Trial: Do All Shock Patients Need Arterial Lines?

Beyond MAP: Redefining Perfusion Pressure in Septic Shock

ECG Findings You Cannot Miss in Acute Pulmonary Embolism

Food for Thought: When Private Equity Buys Hospitals, Who Pays …

Diagnostic Accuracy Of Nanopore Sequencing For Detecting Mycobacterium Tuberculosis And Drug-Resistant Strains: A Systematic Review And Meta-Analysis, Timothy Hudson David Culasino Carandang, Dianne Jaula Cunanan, Gail S. Co, John David Pilapil, Juan Ignacio Garcia, Blanca I. Restrepo, Marcel Yotebieng, Jordi B. Torrelles, Kin Israel Notarte

Ateneo School of Medicine and Public Health Publications

Tuberculosis (TB), caused by Mycobacterium tuberculosis (MTB) infection, remains a significant public health threat. The timeliness, portability, and capacity of nanopore sequencing for diagnostics can aid in early detection and drug susceptibility testing (DST), which is crucial for effective TB control. This study synthesized current evidence on the diagnostic accuracy of the nanopore sequencing technology in detecting MTB and its DST profile. A comprehensive literature search in PubMed, Scopus, MEDLINE, Cochrane, EMBASE, Web of Science, AIM, IMEMR, IMSEAR, LILACS, WPRO, HERDIN Plus, MedRxiv, and BioRxiv was performed. Quality was assessed using the Quality Assessment of Diagnostic Accuracy Studies-2 tool. Pooled …

Rural Mental Health Challenges: Addressing Community-Specific Needs Of Rural Mississippians, Mary Marshall Waller, Mary Nelson Robertson, Holli H. Seitz, Michael R. Nadorff, David R. Buys

Journal of Human Sciences and Extension

America’s mental health crisis uniquely impacts rural areas. Challenges surrounding intention and accessibility to engage in mental health-fostering behaviors exacerbate disparities in rural mental healthcare. In this study, Cooperative Extension personnel assess rural Mississippians’ intention to engage in mental health-fostering behaviors, accessibility to mental health-fostering behaviors, and helpfulness of increased access to resources for mental health challenges to determine if relationships exist between these variables. Rural Mississippi adults were recruited via an online survey panel to complete a 147-item web-based questionnaire (n = 274). Findings suggest rural adults’ intention to engage in mental health-fostering behaviors favored connecting with family and …

Bridging The Communication Gap In Natural Disaster Information: An Exploratory Study Of Extension Service Websites, Emmanuel Chisom Okolo, Rafael Landaverde, Laxmi Prasanna Kandi, Kim E. Dooley, Sarah Mccord, Kelsi Opat, Abdul Saboor Rahmany

Journal of Human Sciences and Extension

Natural disasters are expected to become more frequent and severe, increasing the need for effective disaster management. Governments are emphasizing community awareness and local self-reliance, with the Cooperative Extension Services (CES) playing a vital role in distributing science-based knowledge and supporting preparedness efforts. This qualitative content analysis (QCA), guided by Framing Theory, examined how CES disseminated weather-related disaster preparedness and response information from 2003 to 2023 on Extension Service websites. We explored: (1) the frequency of information on natural disaster preparedness and response published on Extension Service websites, (2) dissemination methods, and (3) the quality of disaster preparedness and response …

Full Issue, Volume 13, Number 3, Donna J. Peterson Dr., Scott Cummings, Elizabeth Gregory North

Journal of Human Sciences and Extension

No abstract provided.

Optimizing Endothelial Cell Specific Polymersome-Based Atheroprotective Therapies, Ally C. Brawner

All Theses

Atherosclerotic cardiovascular disease is the number one cause of death in the United States and the world. Every year, billions of dollars are spent in the US alone for direct treatments of this disease, especially on prescription medicines like statins. However, these medications have been unable to curtail global mortality rates, partially because they do not target the entirety of atherosclerotic pathophysiology. A key area of this pathophysiology is that atheroprone arteries typically include pro-inflammatory endothelial cells that exhibit decreased levels of apoAI-mediated cholesterol efflux and an increased release of adhesion molecules, such as VCAM-1. The objective of my project …

Breastfeeding Safety Following Maternal Anesthesia: A Guideline Development, Megan Honea, Mary Johnson

Doctoral Projects

Recommendations regarding breastfeeding following maternal anesthesia are inconsistent and often not up to date with current best practice guidelines. Previous recommendations have led to mothers unnecessarily “pumping and dumping” breast milk has benefits for both mother and baby. These benefits include (a) increasing the infant’s access to colostrum, (b) encouraging mother-baby bonding, (c) improving the mother’s breastfeeding experience, (d) and providing significant health benefits to the infant. The purpose of this scholarly project was to develop a set of evidence-based recommendations that focus on mothers who desire to breastfeed following general anesthesia. These recommendations will highlight maternal- fetal transfer of …

A Faith-Based Approach To Mental Health Challenges, Patrick Leblanc

Doctor of Ministry Theses and Dissertations

ABSTRACT

This project sheds light on mental health issues within the Black community and the need for faith communities to intentionally address mental health issues in communities of color. Black men are oppressed by an interplay of cultural, historical, societal, and economic factors that impact their well-being. Racial discrimination and oppression are non-medical drivers exacerbating mental health disorders among Black men. The influences of culture and faith fabricate barriers to help-seeking behavior, and mistaken perceptions of masculinity cause many men to suffer in silence. To begin erasing derogatory perceptions of mental health disorders, faith communities need to increase mental health …

Exploring The Microbiomes Of Camel Ticks To Infer Vector Competence: Insights From Tissue-Level Symbiont-Pathogen Relationships, Rua Khogali, Armanda Bastos, Dennis Getange, Joel L. Bargul, Shewit Kalayou, Nehemiah Ongeso, Joost Theo Petra Verhoeven, James Kabii, John Ngiela, Daniel Masiga, Jandouwe Villinger

All Peer-Reviewed Publications

Ticks are blood-feeding ectoparasites that harbor diverse pathogens and endosymbionts. Their microbial communities vary based on tick species, stage, sex, geographical location, surrounding environment, and tissue type. Understanding tick microbiota at the tissue level is crucial for unraveling how microbiomes are distributed in tick tissues and influence pathogen transmission. We used V1-V2 16 S rRNA gene sequencing to analyze tissue-specific bacterial compositions (hemolymph, saliva, salivary glands, and midgut) of Amblyomma gemma, Rhipicephalus pulchellus, Hyalomma dromedarii, and Hyalomma rufipes ticks collected from camels in Marsabit County, northern Kenya. The V1-V2 region of the 16 S rRNA gene effectively differentiated 43 Rickettsia …

Defining The Causal Contribution Of The Gut Microbiota To Cardiomyopathy Pathogenesis As A Basis For Developing Microbiome-Targeted Therapies, Xu Shi

Department of Food Science and Technology: Dissertations, Theses, and Student Research

Heart failure (HF) is a leading cause of morbidity and mortality worldwide, placing substantial clinical and economic burdens on society. Although advances in therapy have improved patient outcomes, the biological mechanisms that drive HF onset and progression remain incompletely understood. Increasing evidence suggests that the gut microbiota, the trillions of microorganisms residing in the gastrointestinal tract, plays a key role in some forms of heart disease, especially cardiovascular disease. Moreover, gut microbial dysbiosis has been associated with systemic inflammation, metabolic imbalance, and immune dysregulation, all of which contribute to the pathophysiology of HF. Cardiomyopathy, a primary disorder of the heart …

Prevalence Of Cytauxzoon Felis In Ticks From South-Central Kansas And Northwest Arkansas, Nicole E. Mcilvain

Animal Science Undergraduate Honors Theses

Cytauxzoon felis is a protozoan that causes an often-fatal illness in felines known as cytauxzoonosis, or bobcat fever. Ticks are vectors of this pathogen, with Amblyomma americanum being the most common vector. Previous studies have noted a correlation between peak tick season and peak cytauxzoonosis diagnosis. For cytauxzoonosis, minimal treatments exist, and scientists have not found a cure, which is why focus needs to be on preventing disease. Knowledge on the prevalence of C. felis in different tick species helps veterinarians and pet owners be aware of the potential for their cat developing cytauxzoonosis if one or more ticks are …

The Effect Of Shared Decisions On Intertemporal Choice, Rosemarie M. Davidson

Masters Theses

Substance use disorders are a significant public health concern, and improving treatment outcomes requires a better understanding of the behavioral processes that influence drug consumption. Delay discounting, or the tendency to overvalue immediate reinforcers, is reliably more severe among individuals with substance use disorders. Recent work suggests that shared decision-making may increase tolerance for delayed rewards; however, prior studies used procedures that confounded delay to token delivery with delay to token exchange, limiting conclusions. The present study evaluates delay discounting across individual and social decision-making contexts using a traditional delay discounting paradigm.

Ten undergraduate participants completed sessions involving choices between …

Overview Of Huntington's Disease And Emerging Treatment Strategies: A Narrative Review, Alexis J. Vega, Gabriel V. Hernandez, Pearse A. O'Malley, Connor J. Robin, Amanda N. Parra, Giustino Varrassi, Sahar Shekoohi, Alan D. Kaye

School of Medicine Faculty Publications

Huntington's disease (HD) is an autosomal dominant, progressive neurodegenerative disorder caused by a cytosine-adenine-guanine trinucleotide repeat expansion in the huntingtin (HTT) gene. The symptoms of HD include severe motor dysfunction, cognitive issues, and emotional dysregulation. These combined issues are not only debilitating but also lead to depression/anxiety, increased suicide rates, and caregiver burnout. Our narrative review summarizes several recent studies examining the efficacy and differences among emerging treatment strategies for HD. A systematic search of peer-reviewed literature was conducted, focusing on recent studies that describe molecular genetic manipulation of the HTT gene/huntingtin protein. The results of our narrative review reveal …

De Novo Genome Assembly, Annotation, And Characterization Of Chemosensory Genes In The Camel Ked (Hippobosca Camelina), Fredrick Kebaso, Souleymane Diallo, Caleb Kibet, Suhaila Hashim, John Mark O. Makwatta, Merid Getahun, Dennis Getange, Jean Baka Domelevo Entfellner, Daniel Masiga

All Peer-Reviewed Publications

Background: Hippobosca camelina (camel ked) is an obligate hematophagous ectoparasite that infests camels. Hematophagy inflicts painful bites leading to myiasis, anemia and pathogen transmission such as Candidatus Anaplasma camelii. A genome assembly for this biting flies is currently unavailable, limiting understanding of its genetics, including the chemosensory system.

Results: The assembly size for Hippobosca camelina female is 135.6 Mb with 17.08% repeated regions, an N50 of 1.2 Mb, a total of 2,182 contigs, a GC content of 33.5% and compleasm (Busco) completeness of 95.38% with the diptera_odb10 lineage (S:95.83%, 3148, D:0.30%, 10, F:0.30%, 10, I:0.00%, 0, M:3.56%, 117, N:3285) …

Relationships Between Social Determinants Of Health And Pain Outcome Changes After Exercise In Adults With Knee Osteoarthritis, Klarissa Siebert

Open Access Theses & Dissertations

Background: Knee osteoarthritis (KOA) is a common musculoskeletal disease with pain as the primary symptom. KOA pain is a major contributor to disability and reduced quality of life and has been associated with social determinants of health (SDOH) variables. As for treatments of KOA pain, exercise such as stationary cycling is a first-line and recommended treatment. However, limited research has examined how SDOH influence pain outcomes following such interventions. Objective: This study investigated whether income level, education level, employment status, acculturative stress, and perceived ethnic discrimination are associated with changes in pain following a standardized cycling ergometer exercise in adults …

Benefits Of Animal Assisted Therapy In Pediatric Inpatient Units: A Literature Review, Logan M. Shiflett

The Eleanor Mann School of Nursing Undergraduate Honors Theses

The purpose of this systematic review of literature was to establish if animal assisted therapy (AAT) is helpful in the reduction of stress for patients on pediatric inpatient floors. The PICOT question that led this review was: In pediatric patients, how does animal assisted therapy affect patient outcomes related to increased hospitalizations? The EBSCOhost database, as well as the Web of Science and CINAHL Complete information sources, were used to find relevant studies for this review that assessed the benefits and contraindications for AAT. Key terms such as “animal assisted therapy,” “pediatrics,” and “inpatient” were used to narrow down the …

Advancing Anesthesia Provider Proficiency In Airway Assessment Using Point-Of-Care Ultrasound: An Osce-Based Educational Initiative, Austin Fike, Trevor Jordan, Sam Sherrill Iii

Doctoral Projects

Airway management is one of the fundamental pillars of anesthesia. Traditionally, tools such as the Mallampati classification and the thyromental distance are used for airway assessment in the perioperative area. However, often, these methods fail to reliably predict difficult intubations. The use of point-of-care ultrasound (POCUS) has emerged as a valuable adjunct in airway assessment. However, a knowledge deficit exists among anesthesia providers regarding its application in airway assessments for perioperative adult patients. This doctoral project addressed the knowledge deficit in POCUS airway assessment among Certified Registered Nurse Anesthetists (CRNAs) and Student Registered Nurse Anesthetists (SRNAs) through the development and …

Development And Optimization Of Moxifloxacin Solid Lipid Nanoparticles Via Double Emulsion Organic Solvent Free Technique Applying Box–Behnken Experimental Design, Esraa M. Elshazly, Mona G. Arafa, Samia A. Nour

Pharmacy

The current research proposes the preparation of Moxifloxacin-loaded solid lipid nanoparticles through a solvent-free double emulsion technique, to overcome chronic wound healing limitation. The independent variables: stearic acid, Span 80, and Tween 80 were optimized via Box–Behnken design, based on entrapment efficiency (EE%), zeta potential (ZP), and particle size (PS). To statistically optimize the formulation variables, a three-factor, three-level (3³) design involving 15 runs was employed and optimization was carried out to attain maximum EE% and ZP and minimum PS yielding an overall desirability of 0.851. Results indicated that increasing stearic acid enhanced EE%, Span 80 increase PS, and Tween …

Asymptomatic Cryptococcal Antigenemia: A Multi-Clinic Cross-Sectional Study On The Prevalence, Associated Factors And Predictors Of Three-Month Outcomes Among Antiretroviralnaïve And Antiretroviral-Experienced Hiv Patients In Dar Es Salaam, Tanzania, Mandela Makakala, Mukasa Mohammed, Mabula Mabelele, Kamran Hameed, Philip Adebayo

Internal Medicine, East Africa

Background: Cryptococcal meningitis remains a leading cause of HIV/AIDS-related mortality, predominantly in Sub-Saharan Africa. Current screening and prevention efforts primarily target antiretroviral therapy (ART)-naïve patients, whereas strategies for ART-experienced individuals are less well defined.

Objectives: This study primarily aimed at determining the prevalence of asymptomatic cryptococcal antigenemia (ACA) among ART-naïve and ART-experienced patients, along with associated factors and predictors of three-month outcomes among HIV patients in three HIV clinics in Dar es Salaam, Tanzania. Secondarily, factors associated with serum cryptococcal antigen positivity in the overall study population were also assessed.

Methods: This cross-sectional clinic-based study recruited 273 HIV-positive participants (ART-naïve …

Drought, Worry, And Preparing For The Future: The Ethnopsychology Of Climate Distress In Kilifi County, Kenya, Edna Bosire, Syed Wahid, Linda Khakali, Benjamin Oestericher, Felix Agoi, Anthony Ngugi, Rosebella Iseme, Jasmit Shah, Zul Merali, Lukoye Atwoli

Brain and Mind Institute

The impacts of climate change in sub-Saharan Africa (SSA) presents a chronic and intensifying disaster, with drought, flooding, and extreme heat, presenting unique challenges and profound disruptions. Growing evidence links such events to ecological grief, ecological anxiety, and solastalgia – negative affective states that reflects responses to climate change related destruction of nature, species, culturally significant or sacred spaces, and other ways of life. While this literature is expanding in the Global North, little is known about how communities in SSA perceive and respond to deteriorating or depleting natural ecosystems. This article explores the ethnopsychology of distress precipitated by environmental …

A Quantitative Exploration Of Risk And Protective Factors Affecting The Mental Health Of Chitimacha Tribal Youth, Daphnie Vilcan-Tanner

LSU New Orleans Theses and Dissertations

This study examines the relationships between demographics, risk factors, and protective factors with mental distress among Chitimacha Tribal adolescents aged 12 to 18. Using a Positive Youth Development framework, the research aimed to identify the prevalence of mental distress, trauma, discrimination, and protective factors, as well as their collective and individual impacts on mental health. Data were collected through online surveys completed by 73 participants residing on or near the Chitimacha Tribal Reservation. Descriptive statistics and multiple linear regression analyses were conducted to analyze the data. Results revealed that while trauma and discrimination collectively predicted mental distress, family and community …

Disruption Of The Placenta–Brain Axis In Transgenic Mice Lacking Serotonin Transporter (Sert) In Trophoblast Cells, David T. Ellenberger, Zhen Lyu, Rosalind T. B. Herrington, Jessica A. Kinkade, Gustavo W. Leone, Ji Ying Sze, Nathan J. Bivens, R. Frank Baker, R. Michael Roberts, Trupti Joshi, Cheryl S. Rosenfeld

Biomedical Sciences

Serotonin reuptake inhibitors (SSRIs) are commonly prescribed to pregnant women experiencing depression. Such drugs, however, might adversely affect placenta and fetal brain development. Parietal trophoblast giant cells (pTGCs) in the mouse placenta are postulated to internalize maternal serotonin (5-HT) via transport through SERT, encoded by Slc6a4, and to provide the initial source of 5-HT to the emerging brain via the placental–brain axis. Genetic deletion of Slc6a4 in pTGCs has been hypothesized to impact placental and fetal brain development. A transgenic mouse line with high-affinity SERT, encoded by Slc6a4, was selectively deleted by pairing mice with Cre recombinase linked …

Avaren-Fc's Effects On Lymphoma Cells., Jacob Hahn

Electronic Theses and Dissertations

This thesis investigates the therapeutic potential of Avaren-Fc (AvFc), a novel lectin fusion protein that integrates the Fc region of human IgG1 with the engineered lectin Avaren, specifically targeting lymphoma. The study delineates the in vitro binding capabilities of Avaren-Fc with a human B-cell lymphoma cell line, a canine B-cell lymphoma cell line, healthy canine peripheral blood mononuclear cells (PBMCs), and healthy human PBMCs. AvFc was shown to exhibit significant binding to human lymphoma cells. Furthermore, the direct cytotoxicity of Avaren-Fc against canine lymphoma cells, canine lymphoma cells and healthy canine PBMCs was assessed. It was found that there is …

Safety Evaluation Of Epicertin, An Oral Biotherapeutic Candidate For Treating Ulcerative Colitis: A 28-Day Repeated Dose Toxicity Study., Jimmy Fernando Cifuentes Jimenez

Electronic Theses and Dissertations

Ulcerative colitis (UC) is an inflammatory bowel disease characterized by chronic, relapsing inflammation of the colon and rectum with limited treatment options. Among them, immunosuppressive agents have a high rate of adverse side effects and do not cure the disease. EPICERTIN (EPT), a recombinant variant of the cholera toxin B subunit (CTB) with a C-terminal hexapeptide extension consisting of a KDEL endoplasmic reticulum (ER) retention motif, is a promising oral biotherapeutic candidate for the treatment of UC. EPT has demonstrated mucosal healing activity in mouse models of colitis and human colonic explants. EPT's mechanism of action involves binding to GM1 …

Sik2 Inhibitor Grn-300 Enhances Sensitivity To Paclitaxel Treatment In Triple-Negative Breast Cancer, Marc A. Pina

Dissertations and Theses (Open Access)

Breast cancer is one of the most frequently diagnosed cancers worldwide, with approximately 15% classified as Triple-Negative Breast Cancer (TNBC). TNBC lacks expression of estrogen (ER) and progesterone (PR), and does not overexpress HER-2, leaving patients without effective targeted therapies. As a result, treatment primarily relies on chemotherapy, most commonly paclitaxel, a taxane that stabilize microtubules, disrupts chromosome separation and induces apoptosis. However, TNBCs are an aggressive cancer subtype, and patients often will develop resistance after a few rounds of chemotherapy. This study addresses a critical unmet need for more effective TNBC therapies by targeting Salt-Inducible Kinase 2 (SIK2), which …

Host-Intrinsic Factors Determine Anti-Tumor Efficacy Of Exercise In Pancreatic Ductal Adenocarcinoma, Sumedha Pareek

Dissertations and Theses (Open Access)

Pancreatic Ductal Adenocarcinoma (PDAC) is the third leading cause of cancer-related deaths with a low 5-year relative survival rate of approximately 13.3% for all stages combined. We have previously shown that exercise can improve quality of life and enhance functional capacity among patients with PDAC. Exercise induces a variety of changes in the tumor microenvironment with beneficial effects in several tumor types. However, our understanding of the clinical effects of exercise and the mechanisms that mediate anti-tumor effects are limited in pancreatic cancer.

In this project, using C57BL/6 mice from Taconic Biosciences (Tac) and Jackson Laboratories (Jax), we established a …

Recovery And Characterization Of Moraxella Species From Bovine Specimens, Laura G. Leger

School of Veterinary and Biomedical Sciences: Dissertations, Theses, and Student Research

The family Moraxellaceae is made up of a diverse group of 24 named species that fall into three phylogenetic groups. While most Moraxella spp. act as commensal respiratory and/or ocular flora of mammals, some are associated with disease. One of these diseases, infectious bovine keratoconjunctivitis (IBK), has significant welfare and economic impacts to both cattle and cattle producers. Moraxella bovis is the only experimentally determined cause of IBK, however, an association of Moraxella bovoculi with disease has been proposed. Currently, available vaccines do not have high levels of efficacy in the field. Culture based methods are the gold standard for …

Definition Of The 3d Position And Motion Status Of The Moving Heart Based On 2d Projections, Lawrence D. Orijuela

Electronic Theses, Projects, and Dissertations

This thesis presents a novel application of deep learning to the estimation of pulmonary vein coordinates using X-ray image pairs from a FORBILD Thorax phantom derived motion dataset. A Siamese neural network was developed to predict the 3D coordinates of one pulmonary vein at a time, specifically the Right Superior Pulmonary Vein (RSPV), Left Superior Pulmonary Vein (LSPV), Left Inferior Pulmonary Vein (LIPV), or Right Inferior Pulmonary Vein (RIPV), based on two-dimensional projection images.

The input data consisted of over 1.6 million grayscale X-ray image pairs across 1331 virtual patients, each annotated with ground truth 3D coordinates. To manage memory …