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Articles 1 - 11 of 11
Full-Text Articles in Disease Modeling
A Predictive Coding Account Of Spatial Working Memory Following Prophylactic Levetiracetam Administration Prior To Traumatic Brain Injury, Omeima Mutwali
A Predictive Coding Account Of Spatial Working Memory Following Prophylactic Levetiracetam Administration Prior To Traumatic Brain Injury, Omeima Mutwali
Dissertations, Theses, and Capstone Projects
Traumatic brain injury (TBI) symptom prevention and remediation is an important area of research that would benefit vulnerable groups, including active-duty and veteran soldiers. These patients can sustain penetrative forces in fields of combat or in training, which result in focal lesions that trigger inflammatory and degenerative processes in the brain. Both primary and secondary injuries are associated with changes to cognition, behavior and affective state. This disease poses increased risk of epileptogenesis, as well. Given these outcomes, prior research has evaluated levetiracetam (LEV) as a prophylactic treatment for seizures, cognitive deficits and negative emotionality. LEV acts as a presynaptic …
Repurposing Bt-11 To Treat Alzheimer’S Disease: Exploring The Glutathione-S-Transferase Lancl2 As A Target, Emily Birnbaum
Repurposing Bt-11 To Treat Alzheimer’S Disease: Exploring The Glutathione-S-Transferase Lancl2 As A Target, Emily Birnbaum
Dissertations, Theses, and Capstone Projects
Approximately 99.6% of potential Alzheimer’s drugs fail, thus developing successful drugs is a high priority. The failure at developing successful drugs relates to the complex nature of the disease itself. Many components act together to trigger a cascade that ultimately results in neurodegeneration and cognitive dysfunction associated with the disease. In building a multiplex model of Alzheimer’s it is important to understand its specific biological mechanisms. One of these key pathological mechanisms is neuroinflammation. Understanding the pathways involved in neuroinflammation in Alzheimer’s is an urgent need, as it poses a promising avenue for future effective therapeutics. Specifically, as many investigational …
Nanoparticles For Applications In Specific Diagnostics And Precision Medicine, Naxhije Berisha
Nanoparticles For Applications In Specific Diagnostics And Precision Medicine, Naxhije Berisha
Dissertations, Theses, and Capstone Projects
Heterogeneity is common in the expression of cancer and treatment response. Precision medicine enables healthcare providers to tailor medical care to an individual's distinct genetic and environmental makeup. This customization has the potential to result in more efficient treatments while minimizing side effects. We believe that by studying the interface of nanotechnology and cancer medicine we can elucidate innovative solutions that address the challenges of disease heterogeneity. This includes advancements in drug delivery, formulations development, and diagnostic sensing. We highlight three studies that use nanotechnology for applications in precision medicine. In Chapter 2, we highlight design optimization of drug formulations …
Demarcating Psychopathologies: Nosology, Validity, And The Taxonomic Problem In Psychiatric Medicine, Julia Zentz Kolak
Demarcating Psychopathologies: Nosology, Validity, And The Taxonomic Problem In Psychiatric Medicine, Julia Zentz Kolak
Dissertations, Theses, and Capstone Projects
In this dissertation, I argue that the discussion surrounding the role of values in the conceptualization of mental disorders is reproduced in critical debates surrounding the issue of reliability and validity in a psychiatric nosology. In so doing, I oppose the conventional separation of the demarcation problem and the crisis of validity in psychiatric classification, arguing instead that they are inextricably linked. After drawing out the intersection between these literatures in the conceptual history of the DSM and its much-maligned transition to an etiologically neutral taxonomy of mental disorders, I consider Carl Hempel’s proposed conciliation between descriptive and theoretical systematization …
Validating A New In Vivo Model To Study Als, Izabela J. Cimachowska
Validating A New In Vivo Model To Study Als, Izabela J. Cimachowska
Student Theses and Dissertations
Buildup of oxidative stress and mitochondrial dysfunction are well known characteristics of both sporadic and hereditary amyotrophic lateral sclerosis (ALS). While both forms of the disease seem to arise from common cellular dysfunction, the genetic disease is studied to a much greater extent. Engineering novel animal models of the sporadic form of the disease is crucial for development of druggable targets to treat ALS and understand the underlying mechanisms. Interestingly, accumulation of oxidative stress by exacerbated emission of reactive oxygen species (ROS) from presynaptic mitochondria is a hallmark of both hereditary and sporadic ALS. Previous work by our laboratory showed …
Feasibility Of Continuous Fever Monitoring Using Wearable Devices, Benjamin L. Smarr, Kirstin Aschbacher, Sarah M. Fisher, Anoushka Chowdhary, Stephan Dilchert, Karena Puldon, Adam Rao, Frederick M. Hecht, Ashley E. Mason
Feasibility Of Continuous Fever Monitoring Using Wearable Devices, Benjamin L. Smarr, Kirstin Aschbacher, Sarah M. Fisher, Anoushka Chowdhary, Stephan Dilchert, Karena Puldon, Adam Rao, Frederick M. Hecht, Ashley E. Mason
Publications and Research
Elevated core temperature constitutes an important biomarker for COVID-19 infection; however, no standards currently exist to monitor fever using wearable peripheral temperature sensors. Evidence that sensors could be used to develop fever monitoring capabilities would enable large-scale health-monitoring research and provide high-temporal resolution data on fever responses across heterogeneous populations. We launched the TemPredict study in March of 2020 to capture continuous physiological data, including peripheral temperature, from a commercially available wearable device during the novel coronavirus pandemic. We coupled these data with symptom reports and COVID-19 diagnosis data. Here we report findings from the first 50 subjects who reported …
A Study Of Cholera Transmission, Urmi Ghosh-Dastidar
A Study Of Cholera Transmission, Urmi Ghosh-Dastidar
Open Educational Resources
A recent cholera outbreak in Haiti brought public attention to this disease. Cholera, a diarrheal disease, is caused by an intestinal bacterium, and if not addressed in a timely manner may become fatal. During the project described here, the students will learn how to solve and address a practical problem such as cholera transmission using various mathematical tools. Students will learn to develop a differential equation model based on practical scenarios, analyze the model using mathematics as well as numerical simulation, and finally describe the results in words that are understandable by the people who are not specialists in this …
Characterization Of Bone Pathology In Sickle Cell Disease And Therapeutic Strategies, Mykel D. Green
Characterization Of Bone Pathology In Sickle Cell Disease And Therapeutic Strategies, Mykel D. Green
Dissertations and Theses
Sickle cell disease (SCD) is a genetic hemoglobinopathy that has grown into a global health concern. While the advances in medical treatment and management of SCD during childhood have drastically improved the overall survival of children, the transition from pediatric to adult services is significantly inadequate in comparison. Life expectancies of patients with SCD in first world countries such as the United States are shortened to averages of 42 and 48 years for men and women, respectively. Despite the increasing number of people living with SCD, remarkably, few detailed studies have described the clinical course and complications of the disease …
Tunable Multiphase Dynamics Of Arginine And Lysine Liquid Condensates, Rachel S. Fisher, Shana Elbaum-Garfinkle
Tunable Multiphase Dynamics Of Arginine And Lysine Liquid Condensates, Rachel S. Fisher, Shana Elbaum-Garfinkle
Advanced Science Research Center
Liquid phase separation into two or more coexisting phases has emerged as a new paradigm for understanding subcellular organization, prebiotic life, and the origins of disease. The design principles underlying biomolecular phase separation have the potential to drive the development of novel liquid-based organelles and therapeutics, however, an understanding of how individual molecules contribute to emergent material properties, and approaches to directly manipulate phase dynamics are lacking. Here, using microrheology, we demonstrate that droplets of poly-arginine coassembled with mono/polynucleotides have approximately 100 fold greater viscosity than comparable lysine droplets, both of which can be finer tuned by polymer length. We …
Characterization Of Extracellular Vesicles From Human Diabetic Retinopathy Retinal Tissue In Vitro And From Urine Of Human Patients With Diabetic Retinopathy, Jason Mighty
Dissertations, Theses, and Capstone Projects
Diabetic Retinopathy (DR) is a neurovascular complication associated with diabetes mellitus that affects approximately 120 million people worldwide and its prevalence is expected to reach 190 million by 2030. DR diagnosis is accomplished with fundus ophthalmoscopy often when retinal damage and vision loss have already occurred. A group of biomarker being explored for early detection of diseases are extracellular vesicles (EVs), which are nanometer diameter lipid enclosed vesicles, released from all cell types and containing genetic cargo reflective of releasing cell state. EV biomarkers are currently being explored to help monitor disease predisposition, pathogenesis and response to treatment. While an …
Differences Between Trypanosoma Brucei Gambiense Groups 1 And 2 In Their Resistance To Killing By Trypanolytic Factor 1, Paul Capewell, Nicola J. Veitch, C. Michael R. Turner, Jayne Raper, Matthew Berriman, Stephen L. Hajduk, Annette Macleod
Differences Between Trypanosoma Brucei Gambiense Groups 1 And 2 In Their Resistance To Killing By Trypanolytic Factor 1, Paul Capewell, Nicola J. Veitch, C. Michael R. Turner, Jayne Raper, Matthew Berriman, Stephen L. Hajduk, Annette Macleod
Publications and Research
Background: The three sub-species of Trypanosoma brucei are important pathogens of sub-Saharan Africa. T. b. brucei is unable to infect humans due to sensitivity to trypanosome lytic factors (TLF) 1 and 2 found in human serum. T. b. rhodesiense and T. b. gambiense are able to resist lysis by TLF. There are two distinct sub-groups of T. b. gambiense that differ genetically and by human serum resistance phenotypes. Group 1 T. b. gambiense have an invariant phenotype whereas group 2 show variable resistance. Previous data indicated that group 1 T. b. gambiense are resistant to TLF-1 due in-part to reduced …