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Articles 1 - 13 of 13
Full-Text Articles in Molecular Biology
Biochemical And Molecular Characterization Of The Prostate-Specific Membrane Antigen (Psma), John Karl Troyer
Biochemical And Molecular Characterization Of The Prostate-Specific Membrane Antigen (Psma), John Karl Troyer
Theses and Dissertations in Biomedical Sciences
Prostate cancer is the most common malignancy and the second leading cause of cancer death in males in the United States. Additionally, the number of deaths attributed to prostate cancer is increasing at a rate of approximately 8% a year. Development of new diagnostic and therapy strategies are needed in order to improve the life expectancy of patients with this disease. One tool which may allow for improvements in prostate cancer diagnosis and therapy is the monoclonal antibody (MAb) 7E11-C5.3 which was first described in 1987. Since then, the antigen recognized by MAb 7E11-C5.3 has been named the prostate specific …
Investigation Of The Substrate Recognition Characteristics And Kinetics Of Mammalian Mitochondrial Dna Topoisomerase I, Zeki Topcu
Theses and Dissertations in Biomedical Sciences
Topoisomerases are DNA-modifying enzymes found in prokaryotes, eukaryotes, viruses and organelles such as chloroplast and mitochondria. Information about these enzymes in eukaryotic systems is mostly limited to nuclear enzymes, although our laboratory has been characterizing the biochemical and biophysical properties of the mammalian mitochondrial topoisomerases. We have determined the polarity of the attachment of mitochondrial topoisomerase I to its substrate DNA. To study the substrate preference and kinetic parameters of mitochondrial topoisomerase I, selected regions of mammalian mitochondrial DNA (mtDNA) were inserted into pGEM plasmid vectors following a series of modification and optimization experiments of currently available methods for PCR-cloning. …
In Vitro Expression Of Human Zona Pellucida Protein 3, Chih-Wei Chen
In Vitro Expression Of Human Zona Pellucida Protein 3, Chih-Wei Chen
Theses and Dissertations in Biomedical Sciences
Human zona pellucida protein 3 (hZP3) is the putative receptor on the zona pellucida of the mature oocyte that recognizes and binds sperm, and therefore plays a critical role in fertilization.
A full length cDNA of hZP3 (1278 bp) was amplified from the human ovary mRNA by reverse transcription-polymerase chain reaction (RT-PCR). The hZP3 cDNA was subcloned into PSK and pREP4 expression vectors. The cDNA of hZP3 was further characterized by restriction mapping, PCR, auto-sequencing and Southern blot analysis by using an internal oligonucleotide probe, and found to be identical to the one reported by J. Dean. Using autosequencing, 289 …
Identification And Characterization Of Mitochondrial Dna Variants In Alzheimer's Disease, Natasha Singh Hamblet
Identification And Characterization Of Mitochondrial Dna Variants In Alzheimer's Disease, Natasha Singh Hamblet
Theses and Dissertations in Biomedical Sciences
Alzheimer's Disease (AD) is a complex neurodegenerative disorder that affects a significant portion of the human population regardless of ethnicity or gender. A mitochondrial hypothesis of AD has been proposed based on a number of studies which establish altered oxidative phosphorylation (OXPHOS) and ATP synthesis in AD tissue. ATP demand is most prevalent in the brain; damage to OXPHOS could severely impair brain metabolism, thereby leading to a decline in cognitive function. Four out of five complexes in the OXPHOS pathway are partly encoded by mitochondrial DNA (mtDNA); thus, this may be a crucial site of lesions that alter brain …
Moraxella (Branhamella) Catarrhalis: A Molecular Epidemiology Study, Lyndell R. Gill
Moraxella (Branhamella) Catarrhalis: A Molecular Epidemiology Study, Lyndell R. Gill
Electronic Theses and Dissertations
Moraxella (Branhamella) catarrhalis is the third-most-frequently isolated microorganism associated with acute exacerbations of chronic bronchitis in patients during their stay at the Mountain Home VA Medical Center (MHVAMC). In order to develop a practical, epidemiologically-meaningful typing method for M. (B.) catarrhalis, we tested two methods based on analysis of chromosomal DNA for typeability, reproducibility, and ability to differentiate between unrelated strains (discriminatory power, D). M. (B.) catarrhalis isolants from MHVAMC from 7/1/87-6/30/88 were grown overnight in broth and embedded in agarose. DNA was isolated by standard methods. The DNA was subjected to: (1) restriction endonuclease digestion (with either Bgl II …
The Kinetic Characterization Of Mutant L289p Of Recombinant Hiv-1 Reverse Transcriptase, Tryn Thomas Stimart
The Kinetic Characterization Of Mutant L289p Of Recombinant Hiv-1 Reverse Transcriptase, Tryn Thomas Stimart
Chemistry & Biochemistry Theses & Dissertations
The Human Immunodeficiency Virus, type 1 (HIV-1) is the causative agent of the Acquired immunodeficiency Syndrome (AIDS). Currently, AIDS is the leading cause of death amongst young people in the United States. The large increase of HIV-1 infections over the past decade has spawned considerable research in fighting the spread of this disease. One area of intense HIV-1 research has focused on the enzyme Reverse Transcriptase (RT) which is an essential enzyme involved in the replication and life cycle of HIV-1. HIV-1 RT is composed of p66 and p51 subunits and is only active as a heterodimer in vivo. …
Pathogenicity Of Murine Cytomegalovirus Mutants, Victoria Jean Cavanaugh
Pathogenicity Of Murine Cytomegalovirus Mutants, Victoria Jean Cavanaugh
Theses and Dissertations in Biomedical Sciences
The purpose of this study was to identified nonessential murine cytomegalovirus (MCMV) genes involved in pathogenesis in vivo. Our approach to identifyjng these genes consisted of constructing MCMV mutants, and then analyzing these mutants in vitro and in vivo. Recombinant viruses (RV) expressing the β-glucuronidase marker gene were constructed by site-directed insertion and deletion mutagenesis of the MCMV Hind III-J and -I regions of the viral genome. Mutations were targeted to this region of the MCMV genome because the corresponding region of the human CMV genome is nonessential and is involved in down-regulating major histocompatibility complex (MHC) class I expression …
Identification And Characterization Of Genes Associated With V-Jun Induced Cell Transformation, Martin Toralballa Hadman
Identification And Characterization Of Genes Associated With V-Jun Induced Cell Transformation, Martin Toralballa Hadman
Biological Sciences Theses & Dissertations
The v-jun oncogene was initially identified as the causative agent for fibrosarcomas in chickens. Studies show that overexpression of v-Jun proteins transforms chicken embryo fibroblasts (CEF) in vitro, and forms tumors in chickens in vivo. The mechanisms for this are not clearly defined. Conceivably, overexpression of an unregulated transcription factor would cause cell transfonnation by illicit regulation of its target genes. In support of this, we show that in vivo v-Jun complexes exhibit differential binding to in vitro generated AP-1 and 'AP-1 like' target sequences, suggesting that the pattern of target gene expression is altered during cell transformation. …
The Expression Of Early Insulin Signaling Components In An Animal Model Of Insulin-Resistant Diabetes Mellitus, James A. Bonini
The Expression Of Early Insulin Signaling Components In An Animal Model Of Insulin-Resistant Diabetes Mellitus, James A. Bonini
Master's Theses
No abstract provided.
The Effects Of Ethanol On Growth Hormone And Prolactin Gene Expression In Male Rats, John James Tentler
The Effects Of Ethanol On Growth Hormone And Prolactin Gene Expression In Male Rats, John James Tentler
Dissertations
No abstract provided.
Analysis Of Amino Acids Relevant To Activity And Substrate Specificity Of The Human Dna Repair Protein 0-6-Methylguanine Dna Methyltransferase (Mgmt), Susan Elizabeth Morgan
Analysis Of Amino Acids Relevant To Activity And Substrate Specificity Of The Human Dna Repair Protein 0-6-Methylguanine Dna Methyltransferase (Mgmt), Susan Elizabeth Morgan
Dissertations
No abstract provided.
Perinatal Regulation Of A Novel Mouse Cytochrome P450 Induced By Pregnancy, Helen Lietz
Perinatal Regulation Of A Novel Mouse Cytochrome P450 Induced By Pregnancy, Helen Lietz
Dissertations
No abstract provided.
Proteolytic Processing Of The Murine Coronavirus Polymerase Polyprotein, Shanghong Dong
Proteolytic Processing Of The Murine Coronavirus Polymerase Polyprotein, Shanghong Dong
Dissertations
No abstract provided.