Digital Commons Network^™

The Perijunctional Zone Is A Molecularly Distinct Muscle Subdomain Altered In Duchenne Muscular Dystrophy, Seth G Haddix, Chuansheng Zhang, Yanhong Liu, Juan Oses-Prieto, Alma L Burlingame, Matthew N Rasband

Faculty, Staff and Students Publications

The neuromuscular junction (NMJ) is a well-established model for synapse development, structure, and function. Surrounding the NMJ is a narrow perijunctional zone (PJZ), enriched in muscle-specific voltage-gated sodium channels that prevent synaptic fatigue. Despite this role, the PJZ remains poorly characterized. To determine its molecular composition, we engineered mice to express the biotin ligase TurboID fused to the cell adhesion molecule neurofascin (Nfasc), and that localizes to the PJZ through ankyrin scaffolding proteins. Using proximity proteomics, we identify numerous PJZ-associated proteins, including Perilipin 4 (Plin4), that are highly enriched and clustered at the PJZ. We also perform proximity proteomics on …

In Silico Molecular Docking Study Of Antidiabetic Bioactive Compounds From Brotowali (Tinospora Cordifolia) Targeting Glut4 In Type Ii Diabetes Mellitus, Gita Euaggelion Tarigan, Surya Dwira

Indonesian Journal of Medical Chemistry and Bioinformatics

Type 2 diabetes mellitus (T2DM) is a global metabolic disorder characterized by insulin resistance and impaired glucose uptake. Despite the availability of pharmacological therapies, limitations such as adverse effects and high costs highlight the need for alternative therapeutic candidates. Tinospora cordifolia has been widely reported to contain bioactive compounds with antidiabetic potential; however, comparative evaluation of their interaction with glucose transporter type 4 (GLUT4) remains limited.

This study aimed to identify the most promising bioactive compounds from Tinospora cordifolia targeting GLUT4 using an in silico molecular docking approach, followed by pharmacokinetic and toxicity (ADMET) prediction. Molecular docking was performed using …

In-Use Stability And Device Compatibility Define Clinically Actionable Handling Limits For A Gmp-Produced Attenuated Listeria Monocytogenes Vaccine Expressing Gucy2c, Jagmohan Singh, Taranjot Johar, Vannessa Scully, Scott A. Waldman, Babar Bashir, Adam E. Snook

Department of Pharmacology, Physiology, and Cancer Biology Faculty Papers

Background: Live-attenuated Listeria monocytogenes (Lm) vectors are a clinically validated cancer immunotherapy platform, but translation requires reproducible, clinically realistic workflows for dose preparation and infusion. For live bacterial products, in-use stability and device compatibility can drive dose variability through adsorption, settling, and device losses. Methods: We developed and GMP-manufactured an attenuated Lm vaccine expressing human GUCY2C (Lm-GUCY2C) and performed translational characterization, including construct verification and immunogenicity readouts, and defined the administration-focused in-use stability and device compatibility. Post-thaw stability was assessed in primary cryovials and during preparation and delivery from 250 mL saline infusion bags using standard clinical devices (syringes/needles, filter-free …

Predictive Models Of Student Mental Health: The Correlation Between Academic Burnout And Depression In The Higher Education Environment, Hyejoon Song

Masters Theses

Importance: Over 80% of U.S. college students report significant emotional difficulties, and 58% endorse academic burnout as a persistent concern, yet institution-specific data at faith-integrated universities such as Liberty University remain scarce, limiting evidence-based programmatic response.

Objective: To examine the correlation between academic burnout and depressive symptomatology at Liberty University, identify the most predictive individual burnout item via Random Forest machine learning, and characterize distinct student risk profiles via KMeans clustering. Design, Setting, Participants: Cross-sectional survey (IRB-FY24-25-1491, Exempt) of 236 Liberty University students (mean age 36.9 ± 14.3 years; 84.0% female; 61.0% graduate-level), 2025–2026 academic year.

Main Outcome and Measures: …

Predicting The Risk Of Diabetes Using Machine Learning Algorithms, Noor Ismail Ibrahim, Jamal Kamil Alrudaini, Hytham Falih Hassan, Sahar Faeq Jaafar

Al-Nisour Journal for Medical Sciences

Diabetes is a chronic disorder that many people suffer from. This disease develops when the blood glucose level is high. Serious side effects, such as harm to the heart, kidneys, eyes, and other organs may result from diabetes neglected treatment. Diabetes has numerous causes, including aging, obesity, inactivity, genetics, poor food and lifestyle choices. Early identification of this illness helps lessen its negative consequences. There are many traditional methods for predicting this disease, but they are expensive. Early prediction of diabetes benefits all those at risk by providing early treatment. With the advancement of healthcare technology, machine learning algorithms can …

Advantages Of Treatment Pollution By Nanomaterial: Review, Riyam Lateef Khalaf, Ola Abdulkareem Nori

Al-Nisour Journal for Medical Sciences

Pollution remains one of the most pressing global environmental challenges and is increasing day by day, with serious implications for public health and the environment. Among the various approaches to address this issue, nanotechnology has emerged as a promising solution due to its unique properties, such as high surface area, reactivity, and catalytic efficiency. There are four types of pollution that can be treated by nanotechnology, air pollution, soil pollution, water pollution and light pollution. This review studies recent research on the use of nanoparticles for pollution treatment, focusing on the mechanisms through which they degrade pollutants, the diverse applications …

Allopurinol Beyond Hyperuricemia: A Multifaceted Therapeutic Agent With Expanding Clinical, Safa Khaldoon, Emad Yousif, Khawla A. Kasar, Hazim F. Abbas

Al-Nisour Journal for Medical Sciences

Allopurinol is a well-established xanthine oxidase inhibitor widely used in the management of hyperuricemia, gout, tumor lysis syndrome, and uric acid nephrolithiasis. This review provides a comprehensive overview of its pharmacology, mechanism of action, pharmacokinetics, clinical efficacy, safety profile, and emerging insights from recent clinical and translational studies. Despite being in clinical use for over five decades, allopurinol remains the first-line urate-lowering therapy worldwide due to its proven efficacy, favorable safety profile, and cost-effectiveness. Beyond its classical role in inhibiting xanthine oxidoreductase, increasing evidence highlights additional therapeutic effects, including antioxidant and anti-inflammatory activities. The structural similarity of allopurinol to purine …

Measuring Radon Concentration In The College Of Education For Pure Sciences At The University Of Anbar And Its Effects On Public Health, Ahmed O. Frhan, Omar Abboosh, Mazin H. Hasan, Dhafar Th. Altaan

Al-Nisour Journal for Medical Sciences

This study aimed to reduce the risks of lung cancer linked to radon gas concentrations. To ensure public safety in the college and avoid the danger of radiation, and to achieve the goals of sustainable development in providing a suitable, clean, and hazard-free environment. These reasons led to research on measuring indoor radon levels in the Physics department, which is part of the College of Education at Anbar University. The study was conducted over a period of approximately 40 days, during which CR-39 detectors were exposed to indoor air in the halls and laboratories. After that, take the detectors to …

A Review Of Robotic Vnotes Surgery: Current Applications, Advantages, And Future Directions, Daniel Y Lovell, Qiannan Yang, Xiaoming Guan

Faculty, Staff and Students Publications

Over the past 500 years, the convergence of three distinct paths - vaginal surgery, laparoscopy, and robotic technologies - has enabled the development of robot-assisted vaginal natural orifice transluminal endoscopic surgery (RA-vNOTES). The ongoing evolution of vaginal surgery has led to contemporary procedures such as hysterectomy, myomectomy, sacrocolpopexy, adnexal interventions, and oncologic operations, applicable to a wide range of diagnoses and pathologies. This approach offers patients significant benefits, including superior cosmetic outcomes, less pain, lower infection rates, and faster recovery of baseline quality of life. Surgeons benefit from improved ergonomics, better visualization, the ability to use multiple instruments, and enhanced …

Clinical Practice Guideline Emergency Department Discharge Acuity Scale To Improve Care Transitions, Charlisa Hedrick

Walden Dissertations and Doctoral Studies

No abstract provided.

Movement-Stabilized Three-Dimensional Optical Recordings Of Membrane Potential Changes And Calcium Dynamics In Hippocampal Ca1 Dendrites, Kevin C Gonzalez, Satoshi Terada, Asako Noguchi, George N Zakka, Cliodhna O'Toole, Giuliana Bilbao, Luke Reynolds, Anna Jász, Borbála Kertész, Zoltán Szadai, Alissa Shen, François St-Pierre, Franck Polleux, Attila Losonczy, Balázs Rózsa

Faculty, Staff and Students Publications

Local dendritic computations are thought to critically influence neuronal signaling and plasticity yet remain largely unexplored in vivo due to challenges in stably imaging small structures at ultrafast timescales. We developed a 3D real-time motion correction platform for movement-stabilized, ultrafast two-photon voltage imaging. By co-labeling CA1 pyramidal neurons with voltage and calcium indicators, we simultaneously measured somato-dendritic and electro-calcium coupling at multiple dendritic sites. We characterized isolated dendritic spikes and distance-dependent backpropagation of naturally occurring and photostimulation-evoked bursts and single spikes. We found that bursts backpropagated more reliably than single spikes, validated that somato-dendritic coupling decreases with distance from soma, …

Exploring The Role Of Self-Efficacy In Undergraduate Nursing Students: A Transcendental Phenomenological Study, Dorothy Elaine Rolling

Doctoral Dissertations and Projects

The purpose of this phenomenological study was to explore the role of self-efficacy for nursing students whose primary language was not English and who were enrolled in higher education in the northeastern area of the United States. The theory guiding this study was Bandura’s theory on self-efficacy. The major tenets of the self-efficacy theory aligned with the metaparadigm of nursing (person, health, environment, nursing) and with the study’s focus, which was to explore how English as a second language (ESL) nursing students could successfully complete the registered nursing program at an institution of higher learning. The central research question was: …

Psychological Impact Of Career Roles On African American Women: A Qualitative Study On The Long-Term Effects On Behavioral Health Providers' Field, Yolanda Seals-Stewart

Doctoral Dissertations and Projects

There is an untold narrative regarding the levels of stress, anxiety, and depression. This leaves a gap in researchers understanding systemic, cultural, and social factors that shape mental health outcomes in a unique way. There is also a deeper need for exploration of resiliency and coping skills strategies utilized by African American women in the behavioral health field, as well as how behaviors such as discrimination, workplace dynamics, and microaggression impact the overall psyche. By addressing these gaps, a more thorough understanding of the long-term psychological effect can be addressed, and these women can receive support mechanisms and interventions that …

From Perception To Performance: The Acute Impact Of Virtual Reality On Hitting Metrics In Collegiate Baseball And Softball Hitters, Darrianne Kylie Hale

Doctoral Dissertations and Projects

The purpose of this study was to examine the acute effects of the four warm-up conditions of virtual reality (VR), heavy bat, light bat, and game bat on hitting metrics in collegiate baseball and softball players. Specifically, this research investigated whether a perceptual-cognitive warm-up using virtual reality produced performance outcomes comparable to traditional physical warm-ups in key physical hitting metrics, including bat speed, time to contact, launch angle, and exit velocity. Each participant experienced all four warm-up conditions in a within-subjects, repeated measures design. Performance was measured using Blast Motion and HitTrax technologies, and statistical analysis was conducted using a …

Perceptions Of The Effects Of Launch Control Center Environmental Exposures And Alert Schedules Among Missile Operations Officers: A Mixed Methods Phenomenological Study, Dawnie Rae Ramie

Doctoral Dissertations and Projects

This mixed methods hermeneutic phenomenological study focused on an investigation of the perceptions of missile operations alert duty and the effects on health and sleep hygiene among Air Force missile operations officers. Questionnaires, interviews, and surveys were all used to gather data on subjects’ experiences and perspectives, including methods to mitigate the effects of poor sleep. Driving questions of research included how missile alert schedules affect sleep habits, as well as how missileers perceived alert duties may impact their health. Data was collected through a web-based Qualtrics Likert questionnaire (N=139), open-ended interviews with purposively selected subjects (N=17), and web-based Qualtrics …

Elongin B Orchestrates Chromatin And Transcriptional Programs In H3k27m-Mutant Diffuse Midline Glioma, Alan L Jiao, Rebecca L Murdaugh, Adam F Kebede, Claudia A Mimoso, Barry M Zee, Rosemary U Richard, Kwanha Yu, Caitlin L Bagnetto, Karen Adelman, Mariella G Filbin, Yang Shi, Jamie N Anastas

Faculty, Staff and Students Publications

Recurrent driver mutations in genes encoding histone H3 (H3.3K27M and H3.1K27M) are observed in ~80% of diffuse midline gliomas (DMG), which lead to aberrant gene regulation, yet the specific RNA polymerase II (Pol2) regulators that induce transcriptional dysregulation in DMG are not fully defined. We identified multiple regulators of Pol2 elongation as DMG genetic dependencies in a chromatin-focused CRISPR screen. Additional studies confirm that knockout (KO) of the Pol2 SIII complex gene elongin B (ELOB) inhibits DMG cell proliferation in tissue culture and tumor growth in xenograft models. Further genomic analyses reveal that ELOB binding sites are enriched in H3K27M …

Deep-Learning Endomicroscope With Large Field-Of-View And Depth-Of-Field For Real-Time In Vivo Imaging Of Epithelial Cancer Hallmarks, Huayu Hou, Jimin Wu, Jinyun Liu, Vivek Boominathan, Argaja Shende, Karthik Goli, Jennifer Carns, Richard A Schwarz, Ann M Gillenwater, Preetha Ramalingam, Mila P Salcedo, Kathleen M Schmeler, Tomasz S Tkaczyk, Jacob T Robinson, Ashok Veeraraghavan, Rebecca R Richards-Kortum

Faculty, Staff and Students Publications

In vivo microscopy (IVM) has shown great promise to improve early detection of epithelial precancer, but it suffers from fundamental trade-offs that limit the resolution, field-of-view (FOV) and depth-of-field (DOF). Here, we present PrecisionView, a compact, deep learning-enabled endomicroscope that breaks these constraints and achieves 20 mm2 FOV and 500 µm DOF with 4 µm resolution, representing approximately 5× increase in FOV and 8× larger DOF compared to conventional IVM with similar resolution. PrecisionView integrates a deep learning-optimized phase mask and real-time reconstruction, enabling rapid in vivo assessment of two key hallmarks of cancer: epithelial cell nuclear morphology and subsurface …

Latest In Resuscitation Research: Highlights From The 2025 American Heart Association's Resuscitation Science Symposium, Caleb T Suh, Clark G Owyang, Lindsay Shepard, Betty Yang, Ryan W Morgan, Daniel M Rolston, Catherine R Counts, Tommaso Scquizzato, James Horowitz, Tatyana Shvilkina, Katherine Berg, Sam Parnia, Sanam Alilou, Catherine Swarts, Ryan A Coute, Lama A Ammar, William C Herring, Thomas Lederer, Joaquin Araos, Benjamin S Abella, Cameron Dezfulian, Sarah M Perman, Felipe Teran

Faculty, Staff and Students Publications

No abstract provided.

Healthcare Supply Chain Optimization Techniques: Case Studies Of Pittsburgh-Area Healthcare Centers, Alan D. Smith

Atlantic Marketing Association Proceedings

No abstract provided.

The Impact Of Tgfβ Conditioning And Socs3 Expression On Cytokine Signal Transduction And Inflammatory Gene Expression In Fibroblasts, Morgan Anderson-Crannage

NYMC Student Theses and Dissertations

Inflammation is a major driver in many aspects of recessive dystrophic epidermolysis bullosa (RDEB) pathology, including impaired wound healing, fibrosis, and potentially cutaneous squamous cell carcinoma development. Fibroblasts, as key stromal cells in the dermis, are responsible for orchestrating inflammatory responses through the secretion of cytokines and chemokines upon stimulation with IL-1α or IL-6. Suppressor of Cytokine Signaling 3 (SOCS3) functions as a negative feedback regulator of cytokine signaling and has emerged as a key modulator of inflammatory responses in immune cells and fibroblasts. Transforming Growth Factor Beta (TGFβ), a known driver of fibrosis in RDEB, has been implicated in …

Dna Strand Breaks By Small Molecules: From Genomic Hazard To Therapeutic Strategy, Clerin John

Honors Scholar Theses

DNA strand breaks are among the most critical forms of genomic damage, arising from endogenous metabolic activity, environmental stress, radiation, and diverse chemical agents. Single-strand breaks and double-strand breaks contribute to genome instability, mutagenesis, carcinogenesis, and neurodegenerative disorders. Cells rely on DNA repair pathways to detect these breaks and initiate repair. In this review, we conducted a comprehensive literature review to systematically compile and examine the mechanisms underlying small-molecule-induced DNA strand breaks. This review highlights the underlying mechanisms by which these molecules interact with DNA and trigger damage. We further discussed the current methods used for detection and quantification of …

Biodegradable Pcl–Plga Electrospun Nanofibers For Localized Cancer Therapy, Rahul Tiwari, Pranav, Joel Delossantos, Eswara N.H.K. Ghali, Luis Chavez, Vishal Sharad Chaudhari, Songyang Han, Subhash Chauhan, Murali Yallapu

School of Medicine Publications

Localized chemotherapy offers a promising strategy to improve therapeutic efficacy while minimizing the systemic toxicity of conventional cancer treatment, particularly following tumor resection. Electrospun nanofibers are well suited for this purpose due to their high porosity, extracellular matrix-mimicking architecture, and capacity for localized drug release. In this study, electrospun nanofibers based on PCL and PLGA were developed for localized cancer therapy. Three distinct nanofibrous architectures were fabricated: PCL nanofibers, PCL−PLGA blended nanofibers, and PCL−PLGA multilayered (tetra-layered) nanofibers, and their encapsulation efficiency was determined by high-performance liquid chromatography (HPLC). Scanning electron microscopy confirmed uniform, bead-free nanofibrous morphologies, while Fourier transform infrared …

Dental Hygienists' Views On Salivary Diagnostics, Julie Justice

Dental Hygiene ETDs

This study assessed dental hygienists’ views on salivary diagnostic testing in the United States, including awareness, utilization, perceived barriers, and whether years of experience, clinical setting, or education level influenced these views. A descriptive cross-sectional design was used to collect data via an 18-item email survey distributed through the American Dental Hygienists’ Association’s mailing list. Eligible participants were licensed dental hygienists currently practicing in the United States. The survey included demographic items and Likert-scale questions on knowledge, clinical use, perceived value, and limitations of salivary diagnostic testing. Survey responses were analyzed using descriptive statistics, frequency distributions and Spearman correlations. Despite …

Policy Concerning Student Use Of Magnification Loupes By American Dental Hygiene Schools, Amye M. Burruss

Dental Hygiene ETDs

This descriptive study was to assess whether dental hygiene schools require students to purchase magnification loupes, at what point in the program they implement the use of loupes, and which type of loupes they require students to purchase. A survey link through Microsoft Forms consisting of nineteen multiple-choice questions was emailed to 327 dental hygiene program directors and was open for a total of three weeks. With a response rate of 13% (45 respondents), results indicate that most dental hygiene programs mandate or strongly encourage the use of magnification loupes and allow students to start wearing loupes in the first …

Design And Optimization Of Epitope Based Malaria Vaccine Targeting Pre-Erythrocytic Stage, Yogesh Nepal

Biomedical Sciences ETDs

Malaria remains a major global health challenge. Currently available vaccines provide only modest and transient protection. In this work, we developed virus like particles (VLPs) based vaccine to target vulnerable epitopes of circumsporozoite protein, a key surface protein of pre-erythrocytic sporozoite stage, across different structural contexts. The immunogenicity of these highly immunogenic vaccines were further enhanced using immune stimulating agents, adjuvants, and the most promising VLP and adjuvant combinations were evaluated in preclinical challenge models to assess efficacy. In parallel, we performed research in an antigen agonistic manner using VLP library immunization that displays different fragments of a target protein …

Developing A Durable, Memory-Driven, Cspz-Targeting Lyme Disease Vaccine By Rationale Adjuvant Selection\, Miranda Mccarty, Sergio A Hernández, Jill Malfetano, Ana Carolina Leão, Maria Jose Villar, Xiuli Yang, Yi-Lin Chen, Jungsoon Lee, Zhuyun Liu, Ulrich Strych, Maria Elena Bottazzi, Utpal Pal, Klemen Strle, Wen-Hsiang Chen, Yi-Pin Lin

Faculty, Staff and Students Publications

Rational adjuvant selection is a systematic approach based on adjuvant-mediated immunomodulation to identify safe vaccine regimens that enhance protective immunity. Transmitted through ticks and caused by the bacterium Borrelia burgdorferi (Bb), Lyme disease (LD) is the most common vector-borne disease in the Northern hemisphere. There are no approved human vaccines, making it suitable for testing the concept of rational adjuvant selection. Here, we formulated our previously developed and effective LD vaccine antigen, CspZ-YAC187S, with different adjuvants suitable for human use; we analyzed the immune response by transcriptomics and tested the vaccine efficacy after Bb infection. We identified Alum-CpG and Alum-αGal …

Brain-Based Mechanisms Of Behavioral Impairment In Fetal Alcohol Spectrum Disorder (Fasd): The Neuroimaging Biomarkers Of Inhibitory Control, Zinia Pervin

Biomedical Engineering ETDs

The developing brain is highly susceptible to alcohol-induced toxicity, often resulting in long-term deficits in executive function and behavioral regulation. Inhibitory control impairments are among the most prominent deficits observed in Fetal Alcohol Spectrum Disorder (FASD). This study investigated the neural mechanisms of inhibitory dysfunction using a multimodal MEG–DTI approach in 67 children aged 6–8 years (34 with FASD, 33 controls) who performed a Go/No-Go task. Source-level MEG analyses revealed reduced stimulus-locked cortical activation in the anterior cingulate cortex and significant group-by-hemisphere interactions in the superior parietal cortex and cuneus. Time–frequency analyses showed diminished response-locked beta power in the sensory-motor …

Negotiating Professional Identity Development Across Contexts: A Collaborative Autoethnography, Clark D. Ausloos, Rebecca J. Vannest, Hayley Ostlund

Journal of Counselor Preparation and Supervision

This collaborative autoethnography (CAE) explores how two counselor educators and one doctoral student navigate professional identity formation across three intersecting contexts: school counseling, clinical mental health counseling, and counselor education. Through critical reflection and collaborative analysis of focus-group data and individual reflections, we identify four themes: Career Flexibility & Adaptability, Identity Formation in Supportive and Restrictive Systems, Role Strain & Stigma, and Values-Driven Practices. Implications call for counselor education programs and higher education systems to embrace multiplicity, non-linear careers, redefine mentorship structures for doctoral students and faculty, and revise promotion criteria to value relationality, and creative, student- and community-engaged …

Predicting Counseling Student Well-Being: The Role Of Faculty And Stress, Kendall G. Woods, Elizabeth K. N. Harper, Michell L. Temple

Journal of Counselor Preparation and Supervision

Approximately one-third of Americans live in areas with limited access to mental health services, with only one mental health provider for every 350 people (Health Resources and Services Administration [HRSA], 2024; Reinert & Nguyen, 2022). The shortage of mental health providers persists as the need for services grows, a challenge compounded by the 40-60% attrition rate among counseling trainees (Chrzanowski, 2018). Improving counseling program completion is essential to address the mental health workforce shortage. While previous research has emphasized the importance of faculty support for graduate students (Estrada et al, 2019), little research has examined how faculty-student interactions and academic …

Enacting Leadership And Transforming The World: Hannah Arendt, The Private, The Public, And Transfigurations In Between, Xochitl Mendez

Educational Studies Dissertations

In this dissertation I propose a framework that emphasizes transitions between Private and Public. I argue that individuals can consciously reshape and reformulate these transitions to assert themselves in the world. How can the individual’s own internal realities, ventures, projects and selfhood assert themselves in a fraught world as an act of self-affirmation, leadership, and transformation? New approaches to this question can all be revealed by using transitions between Private and Public as actionable strategies. I re-interpret Hannah Arendt’s Private and Public as she presented them in The Human Condition (1958). I turn these into multivalent and multilayered spaces of …