Digital Commons Network^™

Lung-Delivered Il-10 Therapy Elicits Beneficial Effects Via Immune Modulation In Organic Dust Exposure-Induced Lung Inflammation, Aaron D. Schwab, Todd A. Wyatt, Amy J. Nelson, Angela Gleason, Rohit Gaurav, Debra J. Romberger, Jill A. Poole

Journal Articles: Pulmonary & Critical Care Med

Efficacious therapeutic options capable of resolving inflammatory lung disease associated with environmental and occupational exposures are lacking. This study sought to determine the preclinical therapeutic potential of lung-delivered recombinant interleukin (IL)-10 therapy following acute organic dust exposure in mice. Here, C57BL/6J mice were intratracheally instilled with swine confinement organic dust extract (ODE) (12.5%, 25%, 50% concentrations) with IL-10 (1 μg) treatment or vehicle control intratracheally-administered three times: 5 hr post-exposure and then daily for 2 days. The results showed that IL-10 treatment reduced ODE (25%)-induced weight loss by 66% and 46% at Day 1 and Day 2 post-exposure, respectively. IL-10 …

Microbial Profile And Antimicrobial Resistance Patterns Of Surgical Intra-Abdominal Infections At A Tertiary Hospital In Tanzania A Retrospective Cross-Sectional Study, Abduel Julius Kitua

Master of Surgery

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Among infections of surgical importance, intra-abdominal infections prevail among the most common in surgical patients with considerable morbidity and mortality. The ever-rising microbial resistance to commonly available antibiotics and geographical variations in microbial profile and resistance patterns poses a challenge to the management of these surgical infections of abdominal origin. The aim of this study was to evaluate microbiological characteristics and antibiotic susceptibility of isolates from intra-abdominal infections at a tertiary hospital in Tanzania and how these influence early treatment outcomes.

A Pediatric Patient With Severe Malaria Successfully Treated With Artesunate, Aoife Schanche, Annabel Ward, Ricardo Zegarra-Linares

South Atlantic Division GME Research Day 2024

No abstract provided.

Discovery And Optimization Of A Family Of Naturally Encoded Antibiotic Compounds That Evade Antibiotic, Adam Rosenzweig

Student Theses and Dissertations

Antibacterial resistant infections are an ongoing global health emergency. To combat this,novel potent antibiotics with unique modes of action are required. The classic arsenal of antibiotics used in clinical settings are largely natural products discovered by bulk fermentation of bacterial species isolates that are then extracted and purified to yield a bioactive compound.Unfortunately, this discovery pipeline no longer produces novel molecules, thus new discovery methodologies are essential to continue to identify antibiotic clinical candidate molecules. In the modern era, coupling natural product discovery with sequencing technologies has proven to bean efficient and fruitful method of identifying secondary metabolite natural products …

Molecular Mechanisms Of Sensing And Synergy By Anti-Bacteriophage Immune Systems In Staphylococcus, Dalton Van Banh

Student Theses and Dissertations

Viruses parasitize every known life form on the planet for their propagation and spread. To deal with this constant assault, organisms across all domains of life have evolved immune strategies in the form of genetically encoded systems to defend themselves. Immunity can be conceptualized as occurring in three fundamental stages. First, the immune system must identify an invading pathogen— either directly via recognition of a pathogen-associated molecular pattern (PAMP), or indirectly by sensing the perturbation of homeostasis during the process of infection ("guard hypothesis"). Second, this information must be converted into molecular signals to be transmitted to the appropriate compartment …

The Nanomechanics Of Protocadherin 15, A Protein Essential For Human Hearing, Camila M. Villasante

Student Theses and Dissertations

Mechanical force controls the opening and closing of mechanotransductive ion channels atop the hair bundles in the inner ear. A mechanical element called the gating spring modulates the mechanotransduction channel's open probability by changing the force transmitted to the channels. The molecular identity of the gating spring is yet unconfirmed, but a leading candidate is the filamentous tip link connecting the mechanotransduction channel to the tallest neighboring stereocilium. The tip link is essential to mechanotransduction: when it is broken, mechanotransduction is abolished, and when it is allowed to regenerate, mechanotransduction returns. Each tip link comprises four protein molecules: a dimer …

Human Inborn Errors Of Immunity: Tuberculosis, Autoimmunity, And Beyond, Masato Ogishi

Student Theses and Dissertations

Tuberculosis (TB), a multi-organ infectious disease caused by virulent mycobacteria, most predominantly M. tuberculosis, remains one of the deadliest infectious diseases in human history. Bacillus Calmette-Guérin (BCG) vaccine, first implemented medically in 1921, has remained the only available vaccine for TB, although its protective effect is moderate. TB occurs in 5-10% of individuals exposed to those pathogens, while 90-95% remain asymptomatic (i.e.,latent infection or spontaneous clearance). This surprisingly large inter-individual variability has long attracted the attention of human geneticists. Classical twin-based genetic studies have demonstrated the presence of a substantial genetic risk of developing TB disease between monozygotic twins. Later, …

A Case Study In Program Evaluation, Alyssa Osborne

Theses and Dissertations--Public Health (M.P.H. & Dr.P.H.)

As a result of a Methicillin-Resistant Staphylococcus Aureus (MRSA) outbreak at a local high school, the Lexington Fayette County Health Department (LFCHD) has been tasked with developing a program to ensure timely reporting of actions taken in the event of a MRSA outbreak or disease outbreak of similar nature (1). This program evaluation is guided by the CDC’s 6-step program evaluation framework (2), which was used to inform this assessment.

Vascular And Metabolic Consequences Of T Cell Aging, David J. Buckley

Kinesiology Dissertations - Archive

Aging is the major non-modifiable risk factor for cardiovascular disease (CVD), which is the leading cause of death in the United States. Many common CVD are diseases of the arteries. Two major hallmarks of arterial aging are 1) increased large artery stiffness and 2) endothelial dysfunction which is characterized by impaired endothelium dependent vasodilation and blunted nitric oxide (NO) bioavailability. Importantly, these adverse alterations in the arteries occur prior to, and are predictors of the onset of overt CVD. Advancing age is also a non-modifiable risk factor for impaired glucose homeostasis and is directly or indirectly associated with almost every …

Optimal Control Frameworks For A Class Of Epidemiological And Oncological Models, Asma Ali H Alghamdi

Mathematics Dissertations - Archive

In this thesis, we employ optimal control frameworks in two distinct contexts: Human immunodeficiency virus (HIV) and esophageal cancer. For HIV, we introduce a comprehensive data-driven nonlinear optimization framework designed for personalized therapies. This framework utilizes a deterministic in-host nonlinear ordinary differential equation (ODE) model and formulates two optimization problems using individual patient data. The first problem focuses on estimating patient-specific parameters through constrained optimization, while the second problem determines optimal combination therapies to reduce viral load to undetectable levels. Several numerical experiments suggest that our framework can provide a robust and effective optimal dosages with lower toxicity levels to …

Predictors Of Utilization Of Preventive Gynecologic Health Services Among Women Veterans, Jennifer Lynn Milore

PCOM Psychology Dissertations

As the number of women veterans in the United States increases, additional attention has been given to understanding their healthcare experiences within the Veterans Health Administration. However, much of the current literature exploring women veterans has been qualitative and little research has examined quantitative relationships between experiences in the VA healthcare system and gynecologic health behaviors and outcomes. The purpose of this study was to evaluate potential factors (health literacy, social problem-solving abilities, and perceived gender discrimination) that may predict gynecologic health behaviors in women veterans. This study included 145 anonymous participants. Participants completed screening questions and demographic and health …

Resilience Of Mental Health Services Amidst Ebola Disease Outbreaks In Africa, Frankline Sevidzem Wirsiy, Nancy B. Tahmo, Lambed Tatah, David Brett-Major

Journal Articles: Epidemiology

INTRODUCTION: Health systems including mental health (MH) systems are resilient if they protect human life and produce better health outcomes for all during disease outbreaks or epidemics like Ebola disease and their aftermaths. We explored the resilience of MH services amidst Ebola disease outbreaks in Africa; specifically, to (i) describe the pre-, during-, and post-Ebola disease outbreak MH systems in African countries that have experienced Ebola disease outbreaks, (ii) determine the prevalence of three high burden MH disorders and how those prevalences interact with Ebola disease outbreaks, and, (iii) describe the resilience of MH systems in the context of these …

The Critical Role Of Nac1 In Triple-Negative Breast Cancer Stemness And Immunosuppression, Chrispus Ngule

Theses and Dissertations--Toxicology and Cancer Biology

Triple-negative breast cancer (TNBC) is a highly heterogeneous and the most lethal breast cancer (BC) subtype. We report here a new role of nucleus accumbens associated protein 1 (NAC1) in maintaining stemness signature and features of TNBC and controlling the status of myeloid-derived suppressor cells, which accounts for its role in tumor progression and metastasis. This report demonstrates increased NAC1 amplification in TNBC metastatic samples compared to nonmetastatic tissues. In vitro, NAC1 depletion in TNBC cells suppressed their proliferation, colony formation, migration, and invasion. In vivo, NAC1 knockdown in TNBC cells reduced tumorigenic ability, diminished tumor growth rate, and abolished …

Hist 213-004: 20th Century World, Elektra Kostopoulou

History Syllabi

No abstract provided.

Teaching Procedural Skills: Integrating Educational Theory Into Practice, Christopher J. Smith, Cory Rohlfsen, Jana L. Wardian, Khalid Sahak

Journal Articles: Hospital Medicine

Introduction: Teaching procedural skills is an essential part of health professions education, yet formal training is often lacking from traditional curricula.

Methods: A workshop on teaching procedural skills was developed as part of a clinician educator track at a large health professions university. Participants included medical residents and fellows (postgraduate years 2-6) from various training programs. The 90-minute, interactive training integrated Gagne's model of instructional design with evidence-based teaching practices. Workshop outcomes were evaluated with pre- and postworkshop surveys. Learner reactions (Kirkpatrick level 1) were assessed via course evaluation. Learning and behavior (Kirkpatrick level 2) were evaluated via attitudinal and …

Clinical Outcomes Associated With Mrsa Naat Utilization., Shannon B. Leighton, Pharmd, Emily Fox, Greg Tallman

Books, Presentations, Posters, Etc.

Abstract: A recent analysis by the Oregon Regional Antimicrobial Stewardship Program demonstrated that across the Oregon region, MRSA NAAT from the nares have a high negative predictive value (NPV) of 99.4%. These findings were consistent when stratified by culture site. The high NPV suggests that MRSA NAAT nasal swabs can be useful in promoting de-escalation (e.g., discontinuation) of anti-MRSA treatment. Few studies have evaluated if use of the MRSA NAAT influences anti-MRSA treatment de-escalation, and even fewer have assessed important clinical outcomes related to MRSA NAAT utilization and de-escalation. The goal of this study is to evaluate the frequency of …

Not Just A Biblical Disease: Hansen’S Disease (Leprosy) Oregon’S Unique Differential, Zach Taylor, Justin Jin, Andrea Roast, Amy Dechet

Books, Presentations, Posters, Etc.

Background: Hansen’s disease (leprosy) is caused by a gram-positive, acid-fast bacilli called Mycobacterium leprae. It is very slow growing and has an indolent disease process. The disease is more prevalent in underdeveloped countries with poor access to care including Brazil, India, sub-Saharan Africa, and the Pacific Islands including Micronesia and the Philippines. However, it is becoming in creasingly common in the United States, specifically in areas with high levels of immigration from Micronesia. Case: Our patient was a 35-year-old Micronesian man who presented with 7 days of non-traumatic right hand pain with progressive swelling. He migrated to US from Micronesia …

Don’T Poke The Bear: Pheochromocytoma Unmasked By Covid-10, Taylor Virtue, Andrea Roast

Books, Presentations, Posters, Etc.

Introduction: Pheochromocytomas are tumors of the adrenal gland which produce excess catecholamines. The classic clinical triad is paroxysmal headache, diaphoresis, and tachycardia. The rare incidence makes this a challenging diagnosis which is even more challenging in the environment of the COVID-19 pandemic. Case Presentation: Setting: Establishing care visit at a primary care office Demographic: 42 year old male Medical history: Previously well-controlled hypertension, prediabetes HPI: • Weeks of profound, persistent fatigue and lightheadedness after the resolution of acute symptoms (fever, chills) from COVID-19 infection. Denies any headaches or palpitations. • Meticulously measuring vital signs at home. He has noticed that …

Assessing The Utility Of Breast Cancer Polygenic Risk Scores And Association With Clinical Factors In A Population Of Breast Cancer Patients, John L. Slunecka

Dissertations and Theses

INTRODUCTION: Breast cancer (BC) is the most common cancer among women and is classified as a complex disease. Advances in population genomics have led to the development of polygenic risk scores (PRSs) with the potential to enhance current risk models, but replication is often limited. OBJECTIVE: We sought to assess the predictive capabilities of two high-powered BC PRSs in a sample population selected for breast cancer. In addition, the capacity of the PRSs to predict clinical variables that could improve BC screening and treatments was explored. METHODS: Two published PRS algorithms (313 vs 3820) were used to score female subjects …

Korean: 패혈증 알아야 할 사항 - Sepsis What You Need To Know, Providence

All Sepsis Education Materials

패혈증 알아야 할 사항 SEPSIS What You Need to Know (Korean Language)

Chinese-Simplified: 败血症须知事项 - Sepsis What You Need To Know, Providence

All Sepsis Education Materials

败血症须知事项 SEPSIS What You Need to Know (Chinese-Simplified Language)

Armenian: Սեպսիս Ինչ Պետք Է Իմանաք - Sepsis What You Need To Know, Providence

All Sepsis Education Materials

ՍԵՊՍԻՍ Ինչ պետք է իմանաք SEPSIS What You Need to Know (Armenian Language)

Arabic: متالزمة االستجابة االلتهابية الجهازية ما تحتاج إىل معرفته تحتاج إىل معرفته - Sepsis What You Need To Know, Providence

All Sepsis Education Materials

متالزمة االستجابة االلتهابية الجهازية ما تحتاج إىل معرفته SEPSIS What You Need to Know (Arabic Language)

Farsi: Understanding Your Sepsis Diagnosis, Providence

All Sepsis Education Materials

Graphic Novel: Understanding Your Sepsis Diagnosis (Farsi)

Multiomics Analysis To Explore Blood Metabolite Biomarkers In An Alzheimer’S Disease Neuroimaging Initiative Cohort, Takaki Oka, Yuki Matsuzawa, Momoka Tsuneyoshi, Yoshitaka Nakamura, Ken Aoshima, Hiroshi Tsugawa, Alzheimer’S Disease Metabolomics Consortium

Neurology Faculty Publications

Alzheimer’s disease (AD) is a neurodegenerative disease that commonly causes dementia. Identifying biomarkers for the early detection of AD is an emerging need, as brain dysfunction begins two decades before the onset of clinical symptoms. To this end, we reanalyzed untargeted metabolomic mass spectrometry data from 905 patients enrolled in the AD Neuroimaging Initiative (ADNI) cohort using MS-DIAL, with 1,304,633 spectra of 39,108 unique biomolecules. Metabolic profiles of 93 hydrophilic metabolites were determined. Additionally, we integrated targeted lipidomic data (4873 samples from 1524 patients) to explore candidate biomarkers for predicting progressive mild cognitive impairment (pMCI) in patients diagnosed with AD …

Prevalence Of Non-Communicable Diseases Among Household Contacts Of People With Tuberculosis: A Systematic Review And Individual Participant Data Meta-Analysis, Yohhei Hamada, Matteo Quartagno, Farihah Malik, Keolebogile Ntshamane, Anna Tisler, Sanjay Gaikwad, Carlos Acuna-Villaorduna, Perumal Kannabiran Bhavani, Bachti Alisjahbana, Katharina Ronacher, Lika Apriani, Mercedes Becerra, Alexander L. Chu, Jacob Creswell, Gustavo Diaz, Beatriz E. Ferro, Jerome T. Galea, Louis Grandjean, Harleen M. Grewal, Amita Gupta, Edward C. Jones-López, Léanie Kleynhans, Leonid Lecca, Peter Macpherson, Megan Murray, Diana Marín, Blanca I. Restrepo, Shri Vijay Shivakumar, Eileen Shu, Dhanasekaran Sivakumaran, Luan Nguyen Vo, Emily L. Webb, Andrew Copas, Ibrahim Abubakar, Molebogeng X. Rangaka

Social Work Faculty Publications

Objective: To investigate the prevalence of non-communicable diseases among household contacts of people with tuberculosis.

Methods: We conducted a systematic review and individual participant data meta-analysis. We searched Medline, Embase and the Global Index Medicus from inception to 16 May 2023. We included studies that assessed for at least one non-communicable disease among household contacts of people with clinical tuberculosis. We estimated the non-communicable disease prevalence through mixed effects logistic regression for studies providing individual participant data, and compared it with estimates from aggregated data meta-analyses. Furthermore, we compared age and sex-standardised non-communicable disease prevalence with national-level estimates standardised for …

Development And Optimization Of A Novel Eeev Microsphere Immunoassay: Using Xeno-Surveillance Methodology To Characterize Avian Herd Immunity, Kaitlyn Gabriele Maurais

Public Health Theses

Introduction: Eastern equine encephalitis virus (EEEV), a mosquito-borne alphavirus, is detected throughout the eastern United States. The primary enzootic vector, Culiseta melanura (Blacktailed mosquito), allows transmission among 50+ avian host species resulting in complex disease patterns. Spillover to dead-end host mammals, such as equines and humans, rarely occurs, however, human cases can cause severe neurological deficits and have a 30% mortality rate. Eco-epidemiology and avian host immunity patterns are not well characterized for EEEV and require ongoing surveillance to develop more targeted interventions. Methods: Xeno-surveillance is an approach to survey EEEV through hematophagous arthropods, instead of collecting samples from a …

Diagnostic Stewardship: Changing Behavior One Urine Culture At A Time, Beth Warne

Public Health Theses

Urinalysis and urine cultures are important diagnostic tools for diagnosing urinary tract infections. Often urine cultures are ordered without appropriate clinical indications of infection attributable to the urinary tract. Inappropriate urine culture ordering can have significant downstream effects and contribute to the unnecessary use of antibiotics, increased prevalence of Clostridioides difficile infections and antibiotic resistance, as well as wasted resources. A quality improvement project was undertaken at the Veterans Affairs Connecticut Healthcare System (VACHS) to decrease the ordering of inappropriate urine cultures. A new, optional electronic medical record urine culture ordering note requiring documented indication for the test was implemented …

Crowdsourcing Geospatial Data For Earth And Human Observations: A Review, Xiao Huang, Siqin Wang, Di Yang, Tao Hu, Meixu Chen, Mengxi Zhang, Guiming Zhang, Filip Biljecki, Tianjun Lu, Lei Zou, Connor Y. H. Wu, Yoo Min Park, Xiao Li, Yunzhe Liu, Hongchao Fan, Jessica Mitchell, Zhenlong Li, Alexander Hohl

Earth and Environmental Sciences Faculty Publications

The transformation from authoritative to user-generated data landscapes has garnered considerable attention, notably with the proliferation of crowdsourced geospatial data. Facilitated by advancements in digital technology and high-speed communication, this paradigm shift has democratized data collection, obliterating traditional barriers between data producers and users. While previous literature has compartmentalized this subject into distinct platforms and application domains, this review offers a holistic examination of crowdsourced geospatial data. Employing a narrative review approach due to the interdisciplinary nature of the topic, we investigate both human and Earth observations through crowdsourced initiatives. This review categorizes the diverse applications of these data and …

Saving Ourselves From Infection: A Theraputic Model Of Peer Led Education, Jessica Tkacs Way

West Chester University Master’s Theses

The purpose of this action research is to explore non-hierarchical peer led education as a means to end the Hepatitis C epidemic, promote empowerment and self-esteem in current injection drug users, and create a more global understanding of power structures that perpetuate opioid use so that those living with addiction are better able to educate, organize and fight for structural change. The current healthcare system is not able to test, treat or educate those most at risk for Hepatitis C infection or reinfection - people who inject drugs. The United States is currently in a losing battle with opioid addiction, …