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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Immunomagnetic Beads Coupled With Anti-Ph-20 Antibodies To Isolate Sperm From Dna Mixtures For Sexual Assault Kit Application, Kayla Becks
Graduate Theses, Dissertations, and Problem Reports
Sexual Assault Kits (SAKs) account for a large portion of DNA mixture samples that are processed within a forensic laboratory, most commonly in the form of vaginal swabs. A typical vaginal swab from a SAK contains the female victim's epithelial cells and varying concentrations of sperm cells left by the perpetrator. The key to analyzing these types of samples is to separate the mixture into male and female fractions. As such, there is a demand to develop novel techniques that have the capability of recovering as much of the male fraction as possible, specifically in cases where there is a …
Regulator Of G Protein Signaling-12 (Rgs12) In Dopaminergic And Kappa Opioid Receptor-Dependent Signaling And Behavior, Joshua David Gross
Regulator Of G Protein Signaling-12 (Rgs12) In Dopaminergic And Kappa Opioid Receptor-Dependent Signaling And Behavior, Joshua David Gross
Graduate Theses, Dissertations, and Problem Reports
Dopaminergic neurotransmission is critically involved in the etiology and treatment of many psychiatric and neurological disorders. One modulator of dopaminergic neurotransmission is the kappa opioid receptor (KOR) -- a G protein-coupled receptor (GPCR) that is densely expressed within dopaminergic neurons and circuits. GPCRs are tightly regulated by a variety of intracellular signaling molecules, including Regulator of G Protein Signaling (RGS) proteins. Canonically, RGS proteins act as GTPase accelerating proteins (GAPs) on GTP-bound Ga subunits following GPCR activation, thereby hastening the rate at which GPCR-mediated G protein signaling is terminated. However, some RGS proteins exhibit more complex mechanisms of action on …
Elucidating A Common Mechanism Of Proteasome Impairment In Neurodegenerative Disease And Its Pharmacological Intervention, Tiffany Ann Thibaudeau
Elucidating A Common Mechanism Of Proteasome Impairment In Neurodegenerative Disease And Its Pharmacological Intervention, Tiffany Ann Thibaudeau
Graduate Theses, Dissertations, and Problem Reports
Proteostasis is maintained by several systems in the cell including the ubiquitin-proteasome system (UPS), chaperones, chaperone-mediated autophagy, and macroautophagy. The UPS is the principle route for the degradation of intracellular misfolded, damaged, or unneeded cellular proteins and has a critical role essential every cell process, including: cell cycle progression, transcriptional regulation, genome integrity, apoptosis, immune responses, and neuronal plasticity. When the efficiency of protein degradation is perturbed, misfolded and damaged protein aggregates can accumulate to toxic levels and cause neuronal dysfunction, which may underlie many neurodegenerative diseases. It is widely appreciated that soluble oligomers of misfolded proteins (e.g. Aβ, Alzheimer’s; …
Adaptation Of The Streptococcal Collagen-Like Protein 1, Scl1, Of Group A Streptococcus To Recognize Fibronectin Type Iii Repeats, Dudley H. Mcnitt
Adaptation Of The Streptococcal Collagen-Like Protein 1, Scl1, Of Group A Streptococcus To Recognize Fibronectin Type Iii Repeats, Dudley H. Mcnitt
Graduate Theses, Dissertations, and Problem Reports
Background: Group A Streptococcus (GAS) is responsible more than 700 million infections worldwide each year. Most of these infections start with initial colonization of the throat and skin, which is augmented by surface adhesins. The streptococcal collagen-like protein 1 (Scl1) is a major adhesin expressed by GAS that contains an N-terminal sequence-variable (V) domain, protruded away from the cell surface by the collagen domain. The Scl-V domain is comprised of three pairs of anti-parallel α-helices interconnected by surface-exposed loops. For attachment, GAS adhesins require a portal of entry, such as a wound or breach in the epithelium, to enter …
Determining The Role Of Nudt7 In The Regulation Of Cellular Coa Levels And Metabolism, Stephanie Anne Shumar
Determining The Role Of Nudt7 In The Regulation Of Cellular Coa Levels And Metabolism, Stephanie Anne Shumar
Graduate Theses, Dissertations, and Problem Reports
Coenzyme A (CoA) is an essential cofactor required for hundreds of metabolic processes. Because it is such a critical cofactor, CoA levels are tightly regulated. In the fasted state and in diabetic mice, the concentration of CoA increases dramatically in the liver. This phenotype is associated with constitutively low CoA degradation, a process that is emerging as a potentially important mechanism for CoA regulation. Nudt7 and Nudt19 are two mammalian peroxisomal enzymes with CoA-degrading activity, which are highly expressed in the liver and kidney, respectively. Limited information is available on the biochemistry of Nudt7 and Nudt19; the structural basis for …