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Articles 1 - 7 of 7
Full-Text Articles in Disease Modeling
Heat Shock Protein 90 (Hsp90) System In Health And Disease., Daniella Munezero
Heat Shock Protein 90 (Hsp90) System In Health And Disease., Daniella Munezero
Graduate Theses, Dissertations, and Problem Reports (ETD)
Cells rely on heat shock proteins (HSP) to facilitate and regulate the folding of the substrate proteins into their native state, and degradation if misfolding cannot be prevented. HSP90, a member of the HSP family, is a potential target for treatment of cancer and neurodegenerative diseases. Unfortunately, several clinical trials for cancer treatment have been discontinued due to cell toxicity accompanying HSP90 inhibition. HSP90 has four distinct but structurally similar paralogs. HSP90 inhibitors target all the paralogs despite increasing proof of functional differences among the paralogs. Understanding the in vivo function of HSP90 and the role played by each paralog …
A Machine Learning Approach For Early Diagnosis Of Transthyretin Amyloid Cardiomyopathy Among Heart Failure Patients, Tanjim Ahmed
A Machine Learning Approach For Early Diagnosis Of Transthyretin Amyloid Cardiomyopathy Among Heart Failure Patients, Tanjim Ahmed
Graduate Theses, Dissertations, and Problem Reports (ETD)
Transthyretin Amyloid Cardiomyopathy (ATTR-CM) is a rare, progressive, and fatal disease. Prevalence of ATTR-CM ranges from 4 to 17 per 100000 cases where the mean survival time is less than 4 years. It has a history of being underdiagnosed and misdiagnosed. The diagnosis delay has a weighted mean of 6.1 years for wild-type ATTR-CM. Low awareness, the necessity of invasive procedures, and lack of treatment are the key reasons for delayed diagnosis. But, with the introduction of non-invasive tests like nuclear scintigraphy with 99mTC-PYP and the disease modifying drug Tafamidis, the diagnosis delay signifies a missed opportunity to increase …
Burkholderia Collagen-Like Protein 8, Bucl8, Is An Outer-Membrane Component Of A Novel Efflux Pump And Immunogenic Vaccine Candidate, Megan Elizabeth Grund
Burkholderia Collagen-Like Protein 8, Bucl8, Is An Outer-Membrane Component Of A Novel Efflux Pump And Immunogenic Vaccine Candidate, Megan Elizabeth Grund
Graduate Theses, Dissertations, and Problem Reports (ETD)
Burkholderia spp. are Gram‐negative intrinsically resistant bacteria that are responsible for environmental and nosocomial infections of clinical and biodefense concern. Our laboratory previously identified in silico Burkholderia collagen-like protein 8 (Bucl8) in the BSL-3 pathogens Burkholderia pseudomallei and Burkholderia mallei (Figure 1). The protein sequence of Bucl8 contains tandem outer-membrane efflux protein domains (OEP) typical of efflux systems and a unique collagen-like domain (CL) consisting of a repeating sequence of Glycine-Alanine-Serine (GAS). Because efflux pumps are often a mechanism of pathogenicity and antibiotic resistance, we investigated Bucl8 further. Here, we determined that the locus of bucl8 contains genes …
Grouping Algorithms For Informative Array Testing In Disease Surveillance, David Sokolov
Grouping Algorithms For Informative Array Testing In Disease Surveillance, David Sokolov
Graduate Theses, Dissertations, and Problem Reports (ETD)
In order to maintain normal operations and prevent unnecessary morbidity and mortality during times of disease outbreak, institutions find a need to conduct frequent and widespread testing of their constituents, often under significantly limited testing resource constraints. Faced with the challenge of how best to allo- cate these limited resources to maximum effect, institutions are increasingly turning to group (or “pooled”) testing, which involves testing strategically-chosen groups of patient samples rather than individual samples, producing significant testing resource savings under certain regimes of disease prevalence. While group test- ing can be conducted without any a priori knowledge of individual disease …
Role Of Ciliary Proteins Adp Ribosylation Factor Like Gtpase 13b (Arl13b) And Bardet-Biedl Syndrome-8 (Bbs8) In Photoreceptor Outer Segment Morphogenesis, Maintenance, And Viability, Tanya L. Dilan
Graduate Theses, Dissertations, and Problem Reports (ETD)
Photoreceptor neurons are modified primary cilia with an extended ciliary compartment known as the outer segment (OS). The mechanisms behind the elaboration of photoreceptor cilia, OS morphogenesis, and maintenance remain poorly understood. In this work, we focused on dissecting the role of two ciliary proteins, the small GTPase ADP-ribosylation factor-like GTPase 13B (ARL13B) and Bardet-Biedl Syndrome-8 (BBS8) in the context of photoreceptor biology. Both BBS8 and ARL13B are linked to defects in ciliogenesis (cilia development) and Retinitis Pigmentosa (vision loss). ARL13B is implicated in regulating ciliary length, and BBS8 is part of the Bardet-Biedl Syndrome complex (BBSome); the BBSome is …
Critical Physicochemical Properties For Nanoparticle Toxicity: Impact Of Surface Coating And Size On Particle-Induced Cell Transformation And Inflammatory Response, Tiffany Kornberg
Graduate Theses, Dissertations, and Problem Reports (ETD)
Nanoparticles, which measure 100 nm in at least one dimension, have surged in development, production, and use for a wide range of applications. However, the rapid pace of development for these emerging materials with unclear/unknown toxicity profiles makes it difficult to adequately assess health risk associated with exposure. One critical obstacle which limits scientific research to fill these critical knowledge gaps is the lack of accurate and predictive models for nanotoxicology studies, particularly those which involve occupationally relevant exposure scenarios (pulmonary exposure to low dose of particles in the circulating air). Typically, animal models are used to assess potential systemic …
Arl2bp, A Novel Ciliopathy Protein, Is Required For Cilia Microtubule Formation, Abigail Ruth Moye
Arl2bp, A Novel Ciliopathy Protein, Is Required For Cilia Microtubule Formation, Abigail Ruth Moye
Graduate Theses, Dissertations, and Problem Reports (ETD)
Cilia are specialized organelles essential for cellular function. Not surprisingly, mutations in cilia- related genes are linked to multi-syndromic diseases termed ciliopathies. These include blinding diseases such as retinitis pigmentosa (RP). One such novel gene is ARL2BP (ARL2-binding protein) and is linked to RP and situs inversus (organ reversal) in humans, a phenotype produced by defects in the nodal cilia of developing embryos. Defects in photoreceptor cilia, as well as situs inversus in human patients, suggest that ARL2BP plays an invaluable role in the structure and function of cilia. However little is known about the role for this protein in …