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Articles 1 - 12 of 12
Full-Text Articles in Life Sciences
Tgfbeta1 And Stat3 As Regulators Of The Ha Synthesis And Signaling Pathway, Brenda Goretty Trevizo
Tgfbeta1 And Stat3 As Regulators Of The Ha Synthesis And Signaling Pathway, Brenda Goretty Trevizo
Legacy Theses & Dissertations (2009 - 2024)
The studies described here explored the role of Transforming Growth Factor Beta-1 (TGFβ1) and Signal Transducer and Activator of Transcription 3 (STAT3) as potential regulators of the Hyaluronic Acid (HA) synthesis and signaling pathway in human mammary cells. Our results support previous findings in which TGFβ1, a well characterized driver of the epithelial-mesenchymal transition (EMT) has been shown to regulate HA synthesis and signaling. Interrogation of The Cancer Genome Atlas (TCGA) indicated HAS2 expression positively correlated with TGFβ1 mRNA expression in breast cancer patients and in breast cancer cell lines. RT-qPCR experiments were used to measure the expression of the …
Understanding The Rage Signaling Pathway And Its Contribution To Diabetic Complications, Leon Vegas Ho
Understanding The Rage Signaling Pathway And Its Contribution To Diabetic Complications, Leon Vegas Ho
Legacy Theses & Dissertations (2009 - 2024)
The binding of advanced glycation end products (AGEs) to the receptor for advanced glycation end products (RAGE) is an important feature of the RAGE signaling pathway that plays a role in the pathogenesis of diabetes. Under high glucose concentration, RAGE expression increases immensely from the formation of a Schiff base by glucose bounded to lysine. This triggers an inflammatory and immune response and upregulates the expression of RAGE and causes an accumulation of AGEs in the body. As a result, this leads to the development of diabetes and other complications such as, atherosclerosis, nephrothapy, and retinopathy. To remedy AGE accumulation, …
Novel Substrate-Free Cholinesterase Based Sensing Of Organophosphorus Compounds, Hailey J. Marini
Novel Substrate-Free Cholinesterase Based Sensing Of Organophosphorus Compounds, Hailey J. Marini
Legacy Theses & Dissertations (2009 - 2024)
The increasing concerns of chemical weapons used by terrorists is growing, creating a need for infield detection methods that can rapidly detect these compounds that are a major health concern for civilians and military personnel. Displacement is a novel concept for the detection of cholinesterase inhibitors, including organophosphorus compounds, that could replace the classical instrumentation methods currently being used for diagnostics.
Biochemical And Chemical Methods Of Key Derivation For Cryptographic Ciphers, Leif K. Mcgoldrick
Biochemical And Chemical Methods Of Key Derivation For Cryptographic Ciphers, Leif K. Mcgoldrick
Legacy Theses & Dissertations (2009 - 2024)
Cryptography is a vital component of digital communication and digital data in general. The use of cryptography is necessary to support the veracity of data and to protect it from outside parties with malicious intent. Cryptography focuses on two main facets that are vital for this goal: data encryption and user authentication. Encryption protects the data by transforming it into an encrypted text that would not allow someone access without having or breaking the encryption method that was used to make it. User authentication is a multiple part process that allows for one to be able to identify oneself to …
Launching The Next Generation : Transcriptional Regulation During Oogenesis, Alicia K. Mccarthy
Launching The Next Generation : Transcriptional Regulation During Oogenesis, Alicia K. Mccarthy
Legacy Theses & Dissertations (2009 - 2024)
Germ cells give rise to gametes and link generations by passing genetic information from parent to offspring. Gametes arise from, in many sexually reproducing organisms, germline stem cells (GSCs) which are set aside early during development. GSCs have an amazing capacity to undergo self-renewal to give rise to a pool of undifferentiated cells, while also differentiating to generate specialized germ cells such as haploid gametes. Upon female GSC differentiation, mitotically dividing germ cells can initiate meiosis, and mature within a follicle. During maturation, the specified oocyte is provided with a trust fund of RNAs and proteins for the next generation …
Regulation Of Gene Expression Through Ribosome-Associated Proteins, Clare Margaret Miller
Regulation Of Gene Expression Through Ribosome-Associated Proteins, Clare Margaret Miller
Legacy Theses & Dissertations (2009 - 2024)
Translation is a crucial mechanism for generating proteins to carry out cellular processes and for ensuring proper cell functions. Ribosomes are at the center of translation and are complex pieces of machinery. They consist of at least 80 core eukaryotic ribosomal proteins, which are conserved from prokaryotes, and four ribosomal RNAs (rRNAs): 18S, 28S, 5,8A 5S. In addition, numerous translation factors aid the ribosome in protein production. While ribosomes are typically described by these core features, they are known to exist in a heterogenous pool with variations in protein composition, modifications of rRNA, and an assortment of non-ribosomal proteins that …
The Stromal Response In Salivary Gland Injury, Kevin O'Keefe
The Stromal Response In Salivary Gland Injury, Kevin O'Keefe
Legacy Theses & Dissertations (2009 - 2024)
Abstract
Development Of Dual Functional Dna/Rna Nanostructures For Drug Delivery, Vibhav Amit Valsangkar
Development Of Dual Functional Dna/Rna Nanostructures For Drug Delivery, Vibhav Amit Valsangkar
Legacy Theses & Dissertations (2009 - 2024)
In addition to the traditional biochemical functions, DNA and RNA have been increasingly studied as building blocks for the formation of various 2D and 3D nanostructures. DNA has emerged as a versatile building block for programmable self-assembly. DNA-based nanostructures have been widely applied in biosensing, bioimaging, drug delivery, molecular computation and macromolecular scaffolding. A variety of strategies have been developed to functionalize these nanostructures. The major advantage is that DNA is a very stable molecule and its base-pairing properties can be easily utilized to control and program the formation of desired nanostructures. In addition, some of these DNA/RNA nanostructures have …
Development Of Small Molecule Antibiotics Against A Conserved Rna Gene Regulatory Element In Gram-Positive Bacteria, Ville Yrjö Petteri Väre
Development Of Small Molecule Antibiotics Against A Conserved Rna Gene Regulatory Element In Gram-Positive Bacteria, Ville Yrjö Petteri Väre
Legacy Theses & Dissertations (2009 - 2024)
Bacterial infections and the rise of antibiotic resistance, especially multidrug resistant strains, have generated a clear need for discovery of novel therapeutics. Most antibiotics in use today are derivatives of previous antibiotics to which resistance mechanisms already exist, and traditionally they have a single target: either a protein or rRNA. Gram-positive bacteria regulate the expression of several essential genes or operons using a mechanism called the T-box. The T-box is a structurally conserved riboswitch-like gene regulator in the 5’-untranslated region (UTR) of numerous essential genes of Gram-positive bacteria. T-boxes are stabilized by cognate, unacylated tRNA ligands, allowing the formation of …
Adaptation Of Vibrio Cholerae O1 To Protective, Lipopolysaccharide-Specific Antibodies In The Intestinal Lumen, Danielle Elizabeth Baranova
Adaptation Of Vibrio Cholerae O1 To Protective, Lipopolysaccharide-Specific Antibodies In The Intestinal Lumen, Danielle Elizabeth Baranova
Legacy Theses & Dissertations (2009 - 2024)
The outer membrane (OM) of Gram-negative enteric pathogens like Vibrio cholerae is a barrier against host defense factors, as well as a sensor of physical and chemical stimuli that the bacteria encounter in the gastrointestinal tract. The OM is also the primary target of the mucosal immune response, which consists of secretory antibodies primarily directed against lipopolysaccharide (LPS). ZAC-3 is a monoclonal antibody (MAb) that targets the conserved core/lipid A region of LPS of the pandemic V. cholerae O1 serotype. In a neonatal mouse model, passively administered ZAC-3 IgG has been shown to reduce the ability of V. cholerae to …
The Guardian Of The Genome : Regulation Of The Enhancer Networks Governing The P53-Mediated Stress Response, Allison Catizone
The Guardian Of The Genome : Regulation Of The Enhancer Networks Governing The P53-Mediated Stress Response, Allison Catizone
Legacy Theses & Dissertations (2009 - 2024)
After fertilization in vertebrates, cells work to build organs, tissues and begin to rapidly differentiate and proliferate. This process is the orchestration of finely tuned signals and perfectly timed gene expression patterns. The first step in gene expression, transcription, is governed by proteins known as transcription factors (TF). TFs are responsible for binding to DNA, altering chromatin structure, and driving activation of other genes based on the organism’s needs. Once the process of development is complete, organisms shift their resources to maintaining homeostasis. Humans regularly encounter outside stressors such as UV radiation, pollution, allergens, and drugs. Cells also accumulate mutations …
Targeting The Rage Signaling Pathway To Ameliorate The Complications Of Diabetes, Stephen James Dansereau
Targeting The Rage Signaling Pathway To Ameliorate The Complications Of Diabetes, Stephen James Dansereau
Legacy Theses & Dissertations (2009 - 2024)
Diabetes is a global health epidemic that can be devastating to those afflicted,