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Articles 1 - 9 of 9
Full-Text Articles in Life Sciences
Mechanisms Of Dna Synthesis And Fidelity By Y-Family Translesion And C-Family Replicative Polymerases, Purba Mukherjee
Mechanisms Of Dna Synthesis And Fidelity By Y-Family Translesion And C-Family Replicative Polymerases, Purba Mukherjee
Legacy Theses & Dissertations (2009 - 2024)
Since the discovery of the DNA polymerase by Arthur Kornberg nearly 60 years ago, there have been great advances in understanding the involvement of polymerases in replication and repair. Years of genetic, biochemical and structural studies have lead to the classification of DNA-dependent DNA polymerases into six families: A, B, C, D, X and Y. In this work, I have focussed on two different families, C and Y. Hence this work is divided into two parts. Part one discusses the studies on Y-family polymerases. All Y-family polymerases are involved in replicating past DNA lesions. The ability to tolerate unnatural nucleotides …
Monitoring Ligand-Induced Nucleic Acid Conformational Changes Using Ion Mobility Spectrometry-Mass Spectrometry, Bill Kenneth Redick
Monitoring Ligand-Induced Nucleic Acid Conformational Changes Using Ion Mobility Spectrometry-Mass Spectrometry, Bill Kenneth Redick
Legacy Theses & Dissertations (2009 - 2024)
Three-dimensional structures of biopolymers frequently dictate the biological role those molecules play. As such, investigation into structure of nucleic acids can provide important information pertaining to how those nucleic acids work. Many nucleic acid species, especially single-stranded RNA, fold into unique structures that allow them to function properly. Metals, and other cationic species, are often bound to the nucleic acid to make folding into the proper structure more favorable by neutralizing the negative charge on the nucleic acid imparted by the phosphate group. This investigation explores tertiary structure of nucleic acids that have been folded in the presence of ligands …
Raman Spectroscopy Of Blood Serum And Cerebrospinal Fluid And Multivariate Data Analysis For Alzheimer's Disease Diagnostics, Elena Ryzhikova
Raman Spectroscopy Of Blood Serum And Cerebrospinal Fluid And Multivariate Data Analysis For Alzheimer's Disease Diagnostics, Elena Ryzhikova
Legacy Theses & Dissertations (2009 - 2024)
The efficient and accurate diagnosis at the early stages of dementia is a key moment for effective treatment and productive research to find a new ways to combat the disease. It is especially true for Alzheimer's disease (AD) for which there is no effective cure, but several treatments are known to allow slowing down the degenerative processes. Alzheimer's disease (AD) displays only non-specific clinical symptoms of mental decline for decades after the initiation and is very challenging to differentiate even at the later stages when it becomes very aggressive. Despite the great need, current diagnostic tests are unable to diagnose …
Modeling The Early, Aging-Related Changes In Human Recombinant Gammas-Crystallin In Vitro, Christiana Oluwaseun Salami
Modeling The Early, Aging-Related Changes In Human Recombinant Gammas-Crystallin In Vitro, Christiana Oluwaseun Salami
Legacy Theses & Dissertations (2009 - 2024)
Cataract is the leading cause of blindness in the world. Cataractous lenses scatter a significant part of the light entering the eye. Cataract can be of several types: Age-related cataract, secondary cataract, traumatic cataract, congenital cataract, and radiation cataract. Age-related cataract is the most common type of cataract. Several factors contribute to age-onset cataract; among them are the Post-Translational Modifications (PTMs) to the major lens proteins or crystallins, which constitute about 80-90% of the protein content of the lens. Predominant PTMs of the crystallins are oxidation, deamidation, phosphorylation, glycation, and disulfide crosslinking, which tend to increase as the lens ages.
Probing Secondary And Tertiary Rna Folding Using Force And Temperature, William Stephenson
Probing Secondary And Tertiary Rna Folding Using Force And Temperature, William Stephenson
Legacy Theses & Dissertations (2009 - 2024)
RNA folding is the process whereby a single stranded RNA molecule assumes its three-dimensional functional conformation. Along with the protein folding problem, the RNA folding problem remains as one of the great unsolved problems in biophysics. Generally RNA folding occurs in a hierarchical manner whereby the sequence of an RNA (primary structure) determines which regions will form helical segments (secondary structure) before further rearrangement and base pairing of secondary structure motifs (tertiary structure). Due to the intimate connection between structure and function within molecular biology, increased familiarity with the thermodynamic and kinetic factors that govern RNA folding will permit the …
A Structural And Functional Comparison Of Human Immunodeficiency Virus Type 1 Nucleocapsid Protein (Ncp7) And Other Retroviral Nucleocapsid Proteins, Christopher Richard Cavender
A Structural And Functional Comparison Of Human Immunodeficiency Virus Type 1 Nucleocapsid Protein (Ncp7) And Other Retroviral Nucleocapsid Proteins, Christopher Richard Cavender
Legacy Theses & Dissertations (2009 - 2024)
Human immunodeficiency virus type 1 (HIV-1) is a retrovirus belonging to the lentivirus genus of the orthoretrovirinae family. HIV-1 is widely known for causing acquired immunodeficiency syndrome (AIDS) in humans and being responsible for 1.8 million deaths due to AIDS associated illnesses in 201016.
Mechanistic Studies Of C- And Y-Family Dna Polymerases, Indrajit Lahiri
Mechanistic Studies Of C- And Y-Family Dna Polymerases, Indrajit Lahiri
Legacy Theses & Dissertations (2009 - 2024)
DISSERTATION ABSTRACT
Mechanisms Of Age-Related Inflammation And Cancer : The Synergistic Effect Of Oxidants And Calcium, Donald A. Mccarthy
Mechanisms Of Age-Related Inflammation And Cancer : The Synergistic Effect Of Oxidants And Calcium, Donald A. Mccarthy
Legacy Theses & Dissertations (2009 - 2024)
The accumulation of senescent cells during the process of aging has been implicated as causal in numerous age-related pathologies. Senescent cells adopt a secretory phenotype consisting of many factors including matrix remodeling enzymes, growth factors, cytokines, and chemokines. Their secretory nature is the primary reason that they are associated with disease, but it remains unclear why they become so inflammatory. Using primary human fibroblasts cultured to senescence, we mechanistically determined why senescent cells are such potent inducers of inflammation. Our findings indicate that the early production of the cytokine Interleukin 1-α (IL-1α) is central to this transition. We found that …
Ph Regulation And The Assessment Of Renal Injury Biomarkers In A Warm Perfusion Renal Allograft Preservation System, Aaron Meyer
Ph Regulation And The Assessment Of Renal Injury Biomarkers In A Warm Perfusion Renal Allograft Preservation System, Aaron Meyer
Legacy Theses & Dissertations (2009 - 2024)
A shortage of viable kidneys available for transplantation exists today, as the number of individuals waiting for a kidney transplant continues to grow while the number of kidneys available each year for transplantation has remained stagnant. The development of technology that will allow for transplantation of organs that currently may be considered too damaged for transplant will provide access to a large number of donors who have experienced traumatic injury deaths resulting in loss of cardiac function. These potential donors account for the majority of all traumatic injury deaths in intensive care units, however their organs have experienced a degree …