Digital Commons Network^™

Circulating Sphingomyelins Correlate With Plasma T-Tau In Cognitively Unimpaired Older Adults At Risk Of Developing Alzheimer's Disease, Tahmida Sharmin, James D. Doecke, Pratishtha Chatterjee, Steve Pedrini, Hamid R. Sohrabi, Nicholas J. Ashton, Henrik Zetterberg, Manohar L. Garg, Kaj Blennow, Ralph N. Martins

Research outputs 2022 to 2026

Alterations in plasma sphingomyelin (SM) levels have been reported in Alzheimer's disease (AD), pointing to disturbances in lipid metabolism that may contribute to disease pathogenesis. Neuronal damage in early AD triggers tau release into central and peripheral systems. Despite influence from peripheral contributions, alterations in plasma total-tau (T-tau) remain valuable in indicating AD-related neurodegeneration. Investigating relationships between SM metabolism and tau release during preclinical AD may uncover important biochemical processes and support advancing early non-invasive detection and treatment approaches. This cross-sectional study investigated cognitively unimpaired (CU) older adults from the KARVIAH cohort, grouped by cortical amyloid-β (Aβ) status through positron …

Role Of Allied Health Professions In Falls Prevention For Community-Dwelling Older Adults: A Scoping Review, Amy Lawton, Nicholas Tripodi, Rebecca Wospil, Breanna M. Wright, Hylton B. Menz, Suzanne Martin, Daniel R. Bonanno, Corey Linton, Andisheh Bastani, Andrew Ross, Rees Thomas, Daniel Corcoran, Timothy Mcnamara, Danielle Baxter, Brett Vaughan, Rebecca Lane, Jack Feehan

Research outputs 2022 to 2026

Objective: Falls among community-dwelling older adults are prevalent and have serious individual, societal and economic consequences. Allied health professionals provide key falls prevention interventions yet their representation in current clinical practice guidelines is inconsistent. Increased recognition of allied health roles and delivering context-specific guidelines for falls care could help to address workforce gaps and optimise care approaches. This scoping review explored the roles of the allied health professions in falls prevention screening, assessment and intervention for community-dwelling older adults. Design: Scoping review, using the Joanna Briggs Institute methodology for scoping reviews. Data sources: PubMed, CINAHL, Scopus, Cochrane, Web of Science …

Disseminated Nocardiosis Secondary To Chronic Prednisone Abuse: A Case Report, Rahul Nimmagadda Do, Luke Ciminera Do, Jacqueline Aronin Md, Muhammad Usman Zafar

Department of Medicine

No abstract provided.

A Rare Culprit In The Joint: Septic Arthritis Caused By Rahnella, Rahul Nimmagadda Do, Muhammad Usman Zafar, Luke Ciminera Do, Jacqueline Aronin Md

Department of Medicine

No abstract provided.

Something Doesn’T Add Up: Hhs Complicated By Xylazine Withdrawal, Rahul Nimmagadda Do, Daniel Logatto Do, Joshua Kepfinger Do, Breanna S. Goldner Do

Department of Medicine

No abstract provided.

How Employment-Based Clinical Experience During Undergraduate Education Influences Transition To Practice: A Qualitative Systematic Review, Seung A. Park, Marion Eckert, Rebecca Sharp, Belinda Clark, Micah D.J. Peters

Research outputs 2022 to 2026

Aim: To synthesize qualitative evidence on the experiences of undergraduate nursing students and new graduate nurses engaged in formal paid employment models or health-related work during their undergraduate studies, to examine how these employment-based clinical experiences influence their transition to nursing practice, and to identify elements that facilitate or hinder this transition. Design: Qualitative systematic review. Methods: Searches were conducted in MEDLINE, Embase, Emcare (Ovid), CINAHL Complete (EBSCOhost), ERIC (ProQuest), and gray literature sources, including ProQuest Dissertations and Theses and Google Scholar. No date or country limits were applied, although only English-language studies were included. The review followed JBI methodology …

Maximal Motor Unit Firing Rates Decline With Amyotrophic Lateral Sclerosis Progression, Gabriel L. Fernandes, Lucas B.R. Orssatto, Matheus D. Pinto, Joao S. Henkin, Ehsan Shandiz, Pamela A. Mccombe, Robert D. Henderson, Gabriel S. Trajano

Research outputs 2022 to 2026

Objective: Amyotrophic lateral sclerosis (ALS) is characterised by progressive degeneration of upper and lower motor neurons and their motor units (MUs). MU loss is compensated by collateral sprouting and reinnervation of muscle fibres. There is limited information about the properties of these surviving MUs as these processes take place. High-density surface electromyography (HD-sEMG) decomposition enables non-invasive analysis of individual MU firing behaviour during maximal voluntary contractions and assess their changes with ALS progression. Methods: Thirty-nine individuals with ALS (24 men; mean age 63 ± 16 years) completed up to five visits (interval 20.0 ± 7.9 weeks). Tibialis anterior HD-sEMG recordings …

The Flourishing Child: Study Protocol For An Acceptability And Feasibility Trial Of A Digital Early Childhood Flourishing Intervention, Zenobia Talati, Jack Kennare, Natasha L. Bear, Lisa Y. Gibson, Robyn Power, Van Zyl Kruger, Desiree Silva, Susan L. Prescott, Jacqueline A. Davis

Research outputs 2022 to 2026

Background: Globally, rates of children with physical and mental health problems are increasing. Health issues in early childhood often persist into adulthood, highlighting the need to ensure children are supported to flourish from the start of life. Objectives: This protocol describes methods used to test the acceptability and feasibility of a novel digital Flourishing Intervention (designed to empower parents and promote child wellbeing), comprising a Flourishing Check (a newly developed online questionnaire) and a Pathway Tool (an online directory of high-quality, evidence-based programmes and resources). Methods: Using a randomised feasibility trial, participants (N = 600 parents of children aged 0–5 …

Identifying The Role Of Occupational Therapy In Suicide Prevention, Grey Buchheit

Capstone Projects

Occupational therapists are uniquely positioned to identify and support individuals experiencing suicidal ideation; however, suicide prevention education remains limited within occupational therapy curricula despite its relevance across diverse practice settings. This doctoral capstone experience sought to address this educational gap by developing evidence-based suicide prevention resources for Western Michigan University's Doctor of Occupational Therapy Program while promoting student wellness and burnout prevention as complementary components of suicide prevention. Guided by a literature review, SWOT analysis, faculty interviews, and a needs assessment that included a survey of Level I fieldwork educators, this project identified opportunities to strengthen occupational therapy education related …

Supporting Neurodiversity-Affirming Practice For Young Adults: Resource Development For A Level I Occupational Therapy Fieldwork Clinic, Grace Campbell

Capstone Projects

Neurodiversity-affirming and strengths-based practices are a growing area of focus within occupational therapy, viewing neurological differences as natural variations of human diversity rather than deficits to be corrected. This Doctoral Capstone Experience (DCE) focused on applying these perspectives within the Work-to-Work Clinic, a Level I occupational therapy fieldwork clinic that serves young adults with neurodevelopmental conditions such as Autism, ADHD, and intellectual disability. Commonly-used assessments and treatment materials at the clinic were outdated, deficit-focused, and poorly suited to this population’s developmental stage, leaving many clients with unmet needs. Additionally, Level I fieldwork students are still developing clinical reasoning skills and …

Ligand-Based Pharmacophore Modeling And Structure-Based Virtual Screening For Identifying Potential Therapeutic Agents Targeting The Sars-Cov-2 Spike Protein-Ace2 Receptor Interaction, Timoteo Delgado-Maldonado, Gilberto Vargas-Salas, Debasish Bandyopadhyay, Adriana Moreno-Rodriguez, Eyra Ortiz-Pérez, Gildardo Rivera-Sanchez

School of Integrative Biological & Chemical Sciences Faculty Publications

Coronavirus disease (COVID-19) remains a global health concern due to its high mortality and morbidity. In this study, we combined ligand-based pharmacophore modeling (LBPM) with structure-based virtual screening (SBVS) to identify novel inhibitors targeting the SARS-CoV-2 spike protein. Ligands from the MolPort database were screened via docking and molecular dynamics simulations at the receptor-binding domain (RBD). Four compounds showed promising docking scores (-8.7 to -6.4 kcal/mol) and dynamic stability (root mean square deviation < 5 Å). In vitro assays confirmed that compounds C3 (IC50 = 0.03 µM) and C4 (IC50 = 10.4 µM) effectively inhibited spike-ACE2 binding with low cytotoxicity (CC50 > 100 µM). These findings show the efficacy of the LBPM technique and highlight 1H-pyrazol-5-ol derivatives as potential building blocks for developing new antiviral agents against SARS-CoV-2.

Metabolic And Replicative Constraints On Pathogen Virulence: Isoleucine Catabolism In Shigella And Comparative Tanapoxvirus Replication In Cell Cultures, Benecia Angelica

Masters Theses

Pathogens survive by balancing metabolic demands with environmental challenges that shape their virulence and adaptability. Shigella flexneri, a highly infectious human pathogen responsible for severe diarrheal disease worldwide, utilizes branched-chain amino acid (BCAA) metabolism to withstand stress conditions encountered within the host environment. In this study, we explored the Shigella isoleucine catabolism pathway by knocking out four genes in the S. flexneri isoleucine catabolic pathway (ilvE, fadA, fadD, and acnB) and examining their metabolism and virulence. We found that the ilvE and acnB mutants displayed reduced metabolic activity and smaller plaque size, while the fadD mutant showed decreased invasion. In …

Parkinson’S Disease And Its Treatments: An Overview, Nathaniel Cook

Senior Honors Theses

Parkinson’s disease (PD) is a neurodegenerative disease closely associated with the accumulation of α-synuclein in neurons, and inhibition in the release of dopamine, a key neurotransmitter of the nervous system. Disruption in dopamine signaling can cause cognitive and motor dysfunctions, with tremor, bradykinesia, and rigidity being the most observable effects. There is no permanent treatment for PD, constituting the need for further research to improve current pharmaceutical approaches and possibly develop a cure. Main areas of research include improving medication via delivery methods, genetic mutation using CRISPR, and adaptive deep-brain stimulation. Recent developments and applications in these areas will be …

Sepsis As An Immune Continuum: Cytokine Storm To Lymphopenia And Pics, Chelsey King

Senior Honors Theses

Sepsis is a leading cause of morbidity and mortality worldwide, driven by a dynamic immune continuum that progresses from early hyperinflammation to profound immunosuppression. This review examines the three overlapping phases of sepsis: the inflammation-mediated cytokine storm driven by dysregulated PRR activation, NF-κB signaling, and NETosis; apoptosis-driven lymphopenia involving caspase-mediated lymphocyte death, dendritic cell dysfunction, and metabolic exhaustion; and prolonged immunoparalysis culminating in persistent inflammation, immunosuppression, and catabolism syndrome (PICS). Key mechanisms linking these phases, including the co-existence of hyper- and hypo-inflammatory states, are synthesized alongside relevant clinical biomarkers such as IL-6, HLA-DR, and single-cell immune profiles. This review highlights …

Co-Location Of Substance Use Disorder Treatment And Hospital Emergency Departments, Leila Hasan

Honors College Theses

Patients with substance use disorder (SUD) rely heavily on the hospital emergency department (ED) for acute care and are often discharged from the ED without access to long-term recovery resources. This project explores the impact of co-located addiction treatment programs with hospital EDs on recovery outcomes of patients with SUD. A systematic literature review conducted on relevant studies indicates that co-located programs can be effective in increasing treatment initiation and maintenance, reducing ED revisits, and reducing repeated overdose in SUD patients. Programs that were most effective included three key elements: fast linkage of SUD patients to program staff in the …

Residency As A Rite Of Passage: Assessing Liminality In Night Float And Improving Competency Evaluations, Lily Anderson-Chavarria, James Meza, Frank Mueller, Jianming Lau

Conference Presentation Abstracts

Purpose/Background: ACGME emphasizes competency-based evaluation of post-graduate education. However, written evaluations using averaged Likert Scales with minimal anchoring to real experiences is a sub-optimal method of evaluating resident competence. Through qualitative research, we explored resident’s own reflections on their transition into competent physicians and attempted to identify an alternative model for resident assessment. Based on informal observations, we predicted that night float rotations in the second-year curriculum are determinative for residents to achieve competence in clinical care. We further hypothesized that residents’ experiences mirror a Rite of Passage marked by rituals of separation, transition and reintegration, with night float serving …

Training Fm Residents In Prep Is "Hiv Possible", M Ellis Jaruzel, Carlie Nikel

Conference Presentation Abstracts

Pre-Exposure Prophylaxis (PrEP) offers the promise of dramatically reducing the risk of HIV transmission. Institutions in public health believe that PrEP is key to ending the HIV epidemic and improving access is central to this program. Prior literature has suggested that discomfort discussing sexual behaviors and STIs inhibit prescribing PrEP in primary care settings. Given the anticipated need for competent prescription of PrEP in primary care settings as a future routine part of clinical practice, a large (10/10/10) midwestern family medicine residency program designed and implemented a sexual health and PrEP OSCE in consultation with experts from the state (Michigan) …

Preserving Life In An Age Of Autonomy: A Critique Of Physician-Assisted Suicide, Adeline Holcombe

Senior Honors Theses

This thesis critiques physician-assisted suicide (PAS) as a reflection of Western thought’s shift from a biblical sanctity-of-life ethic toward autonomy and relativism. Through analysis of biblical and historical foundations, major cases, and state PAS laws, it argues that legalization weakens the state’s interest in preserving life, normalizes suicide, and exposes vulnerable populations to coercion, inadequate safeguards, and legal expansion. The thesis concludes that PAS laws should be repealed and that palliative care, hospice, and mental health treatment provide more compassionate and ethically sound alternatives.

The Effects Of Dietary Interventions On Gut Microbial Balance In Healthy Adults: An Integrative Review, Miranda Demars

Senior Honors Theses

The goal of this review is to answer the question: What dietary changes are most effective in restoring gut dysbiosis in healthy adults? The gut microbiome (GM), a community of microorganisms that colonizes in the gastrointestinal (GI) tract, can become imbalanced, a condition known as dysbiosis, which is associated with an increased risk of dysbiosis-induced disease. Dysbiosis-induced diseases include GI disorders such as irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD), neurological disorders such as Alzheimer’s disease (AD) and Parkinson’s disease (PD), and metabolic disorders such as diabetes and obesity (Shen et al., 2025). Pharmacologic interventions are often not …

Volume 17, Christian O’Neill, Kyara Greene, Savva Sidorov, Laura Bisaillon, Luke Clemmer, Hannah Gordon, Kitt Benson, Taylor Blount, Rachel Danzitz, Nicholas Duellman, Chase Gionis, Hima Fernando, Seth Franzyshen, Onyx Gonzalez, Bryan Lin, Samantha Start, Ysabel Wells, Maggie Duncan

Incite: The Journal of Undergraduate Scholarship

Introduction Dr. Amorette Barber, Director, Office of Student Research

From the Editor Dr. Hannah Dudley-Shotwell

Cover Artist’s Statement Maggie Duncan

On Mentoring Dr. Yulia Uryadova

Ukrainian Resistance in the Face of Russification: Nestor Makhno and Anarchism

by Christian O’Neill

Life Vest by Kyara Greene

Isolation and 16S rRNA Identification of Bacteria from Fire Department Connection Pipe by Savva Sidorov

The Effectiveness of Planned Exercise in Reducing ADHD Symptoms in Children by Laura Bisaillon & Luke Clemmer

Linguistic Analysis on Confidence and Communication Strategies with Disparities Between Sign Fluency and Hearing Impairment by Hannah Gordon

Freedmen in Indian Territory by Kitt …

Understanding Delays In Emergency Department Care: A National Analysis Of Wait Times, Gregory Forsberg

Mathematics, Statistics, and Computer Science Honors Projects

Emergency department (ED) wait times remain a persistent bottleneck in the United States healthcare system, impacting patient outcomes, hospital efficiency, and equitable access to care. This study analyzes nationally representative data from the National Hospital Ambulatory Medical Care Survey (NHAMCS), a complex, multi-stage probability sample. Using survey-weighted analyses and predictive modeling, we examine the effects of patient characteristics, triage acuity, and visit timing. Results indicate that operational and system-level factors, including hospital capacity, geographic region, and temporal variation, are among the most influential predictors of ED wait times

Rare Diseases In Children—Knowledge, Experiences And Challenges Faced By Pediatricians In Tanzania, Mariam Noorani, Mohamedraza Ebrahim, Francis Furia

Paediatrics and Child Health, East Africa

Diagnosing and treating rare diseases in children is a major challenge for pediatricians globally. There is a lack of adequate knowledge of these conditions and diagnostic testing is not easily accessible, which frequently results in delays in care. The knowledge, experiences and challenges faced by pediatricians in Tanzania are not known. This study used a nationwide cross-sectional online survey to describe the knowledge of pediatricians in Tanzania on rare diseases, their experiences, and the challenges they face in treating these children. The survey tool was shared on the Pediatric Association of Tanzania WhatsApp group where most pediatricians are registered. 168 …

Identifying And Addressing Burnout Among Nurses In Cache Valley And The Surrounding Salt Lake Metropolitan Area, Teegan Alma Martinez

Undergraduate Honors Capstone Projects

Background: Nursing burnout has emerged as a critical issue within modern healthcare systems, with widespread implications for nurse well-being, patient safety, and organizational performance. Characterized by emotional exhaustion, depersonalization, and reduced personal accomplishment, burnout affects an estimated 30% to 60% of nurses, particularly in high-acuity settings. The persistence of burnout highlights the need to better understand its contributing factors, consequences, and effective strategies for mitigation.

Purpose: The purpose of this study was to examine the prevalence and contributing factors of nursing burnout, evaluate its impact on nurses and patient care, and identify effective interventions. Additionally, this study aimed …

Pattern Dynamics And Stochasticity Of Brain Rhythms And Spike Trains In A Tauopathy Mouse Model Of Alzheimer’S Disease, Clarissa M. Hoffman

Dissertations and Theses (Open Access)

Systems neuroscience posits that every aspect of perceived physical reality, every aspect of animal and human behavior, and every cognitive phenomenon emerges from patterns of neuronal activity. While most researchers embrace this idea, there are major difficulties in describing and analyzing these complex neuronal dynamics—spike flows produced by cells ensembles, synchronized extracellular field oscillations, and other patterns—which limits our understanding of how the activity of individual neurons and the whole-animal cognition and behavior might be connected. In particular, we lack the approaches and even the semantics for connecting the individual cell outputs and the integrated results of their activity. Current …

Technical Development, Optimization, And Clinical Implementation Of Quantitative Magnetic Resonance Imaging Methods For Radiation Oncology, Lucas Mccullum

Dissertations and Theses (Open Access)

Magnetic resonance imaging (MRI) has gradually grown more important in the field of radiation oncology. This paradigm shift has grown from initial experiments with MRI of cancerous lesions in the early 1970s, to the integration of MRI images for radiation therapy treatment planning (i.e., MRI-Simulation) in the early 1980s, to the combined MRI linear accelerator (MR-Linac) becoming commercially available in 2018 which can simultaneously image a tumor and treat it with radiation. However, due to its novelty in radiation oncology, its full potential for the integration of quantitative MRI-based biomarkers has yet to be fully realized.

Therefore, this dissertation will …

Screening For Hypertension And Diabetes In Laundromats In The Largest Hispanic-Majority City In The U.S, Nicholas A Mccann, Vanessa Schick, Jack Tsai

Faculty, Staff and Student Publications

Purpose: This study aimed to assess the prevalence of hypertension and diabetes among laundromat users in San Antonio, Texas, and explore laundromats as a novel setting for health interventions regarding these 2 conditions.

Design: This descriptive, cross-sectional study involved demographic, blood pressure and HbA1c screenings to assess the health status of laundromat users.

Setting: The study took place in 7 laundromats in low-income areas of San Antonio.

Subjects: A total of 150 adults aged 18 and older who regularly used the laundromats and spoke either English or Spanish were eligible to participate.

>Measures: Hypertension was defined as a systolic BP …

An Integrated Framework For Early Detection And Transmissibility Assessment Of Emerging Variants In Wastewater, Xingwen Chen, Tin Phan, Wei Lin Lee, Katie Clark, Steven F Rhode, Samantha Brozak, Bruce Pell, Tsultrim Palden, Mats Leifels, Anna Gitter, Yang Kuang, Stefan Wuertz, Janelle Thompson, Kristina D Mena, Eric J Alm, Fuqing Wu

Faculty, Staff and Student Publications

Tracking the emergence of new viral variants is critical for epidemic preparedness, but remains challenging because variants typically circulate at low prevalence during the early phase of outbreaks. Here, we present an integrated framework that combines sensitive variant detection in wastewater with quantitative assessment of transmissibility through dynamic epidemic modeling. Using the SARS-CoV-2 Omicron variant as a proof of concept, we developed a novel nested allele-specific RT-qPCR assay (NAS-PCR) that achieved a thousand-fold increase in sensitivity compared with allele-specific RT-qPCR (limit of detection: 0.5 copies/μl). NAS-PCR detected Omicron in wastewater samples from the Greater Boston area starting in September 2021, …

Learning About The Direct Experiences Of Very Young Children With Hearing Loss: A Feasibility Study, Jenni M. Funk

Undergraduate Honors Capstone Projects

We aimed to explore the feasibility of employing a developmentally appropriate, modified puppet interview method to elicit thoughts and perspectives directly from very young children (ages 3 to 6 years old) who are deaf or hard-of-hearing. Little is known about the direct experiences of children with hearing loss, making it difficult to improve care. In our field of speech and hearing sciences, there is no current method of gathering direct experiences of young children and placing them at the center of care. We proposed that researchers may be able to learn about the direct experiences of very young children who …

Understanding Vaccine Hesitancy In Veterinary Medicine: A Review Of Client Attitudes, Grace Moore

Undergraduate Honors Capstone Projects

Uncertainty toward vaccination, long recognized as a public health concern in human medicine, is increasingly recognized within veterinary contexts, posing risks to both animal and community health. This literature review examines the development, causes, and implications of reduced vaccine confidence in veterinary medicine, with emphasis on small animal and some large animal practices. The review combines historical and current research to explore how vaccination perceptions have evolved among veterinarians and clients, and how factors such as the COVID-19 pandemic have shaped current attitudes.

The literature highlights recurring themes surrounding vaccine reluctance in veterinary settings. Client perceptions of safety, efficacy, and …

Abnormal Trafficking And Processing Of Multiple Matrix Metalloproteinases Drive Cartilage Defects In Congenital Disorders Of Glycosylation, Chia-Lun Wu

All Dissertations

Congenital Disorders of Glycosylation (CDG) are rare metabolic diseases caused by defects in glycosylation. Despite identification of over 200 CDG types, the mechanisms linking glycosylation defects to diverse clinical phenotypes remain unclear. This dissertation uses zebrafish models of PMM2-CDG and STT3-CDG to redefine CDG pathogenesis, shifting from a simple glycan deficiency model to one involving disrupted cellular spatial organization.

We identify a protease-dependent pathway underlying craniofacial cartilage defects. Specifically, defective proteolytic processing of N-cadherin, a key adhesion molecule in chondrogenesis, is a central driver of pathology. We further uncover an unconventional trafficking mechanism in which ER stress and altered secretory …