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Articles 1 - 8 of 8
Full-Text Articles in Biochemistry
Chromatin Insulators: Master Regulators Of The Eukaryotic Genome, Todd Andrew Schoborg
Chromatin Insulators: Master Regulators Of The Eukaryotic Genome, Todd Andrew Schoborg
Doctoral Dissertations
Proper organization of the chromatin fiber within the three dimensional space of the eukaryotic nucleus relies on a number of DNA elements and their interacting proteins whose structural and functional consequences exert significant influence on genome behavior. Chromatin insulators are one such example, where it is thought that these elements assist in the formation of higher order chromatin loop structures by mediating long-range contacts between distant sites scattered throughout the genome. Such looping serves a dual role, helping to satisfy both the physical constraints needed to package the linear DNA polymer within the small volume of the nucleus while simultaneously …
Validation Of Antibodies Used To Study Hypoxia Inducible Factors In Two Species Of Fundulus, Jenna D. Hill
Validation Of Antibodies Used To Study Hypoxia Inducible Factors In Two Species Of Fundulus, Jenna D. Hill
University of New Orleans Theses and Dissertations
Hypoxia inducible factors (HIFs) are transcription factors and the master regulators of oxygen-dependent gene expression in animals. The focus of this thesis is the distribution of HIF protein in tissues of the fish Fundulus heteroclitus and F. grandis, two widespread species that occur in naturally hypoxic waters. Polyclonal antibodies against HIF-1α, HIF-2α, and HIF-3α were tested on proteins made in vitro and on extracts made from several tissues of normoxic and hypoxic fish. Antibodies against HIF-1α and 3α bound specifically to full length protein made in vitro, and produced bands on western blots of nuclear extracts of near …
Role Of Retinoids In The Regulation Of Hepatic Glucose And Lipid Metabolism, Rui Li
Role Of Retinoids In The Regulation Of Hepatic Glucose And Lipid Metabolism, Rui Li
Doctoral Dissertations
The liver plays an important role in controlling glucose and lipid homeostasis. Metabolic abnormalities such as obesity and type 2 diabetes are often associated with profound changes in the expression of genes involved in hepatic glucose and lipid metabolism. Dietary nutrients provide us with macronutrients for energy and micronutrients for maintenance of general health. However, the effects of individual micronutrients on the development of metabolic diseases are unknown. Sterol regulatory element binding protein-1c (SREBP-1c) is the master regulator of fatty acid synthesis, and glucokinase (GK) is the key enzyme in glucose metabolism. Based on the preliminary results from our laboratory …
Experimental And Computational Analysis Of Chloroplast Transit Peptide Domain Architecture And Function, Prakitchai Chotewutmontri
Experimental And Computational Analysis Of Chloroplast Transit Peptide Domain Architecture And Function, Prakitchai Chotewutmontri
Doctoral Dissertations
The Majority of chloroplast proteins are nuclear-encoded and utilize an N-terminal transit peptide (TP) to target into chloroplasts via the general import pathway. Bioinformatic and proteomic analyses provide thousands of predicted TPs, which show low sequence similarity. How the common chloroplast translocon components recognize these diverse TPs is not well understood. Previous results support either sequence- or physicochemical-specific recognitions. To further address this question, a reverse sequence approach was utilized such that the reverse TP contains the same amino acid composition as wild-type TP but lack similar sequence motifs. Using both native and reverse TPs of the two well-studied precursors, …
Development And Application Of Mass Spectrometry-Based Proteomics To Generate And Navigate The Proteomes Of The Genus Populus, Paul Edward Abraham
Development And Application Of Mass Spectrometry-Based Proteomics To Generate And Navigate The Proteomes Of The Genus Populus, Paul Edward Abraham
Doctoral Dissertations
Historically, there has been tremendous synergy between biology and analytical technology, such that one drives the development of the other. Over the past two decades, their interrelatedness has catalyzed entirely new experimental approaches and unlocked new types of biological questions, as exemplified by the advancements of the field of mass spectrometry (MS)-based proteomics. MS-based proteomics, which provides a more complete measurement of all the proteins in a cell, has revolutionized a variety of scientific fields, ranging from characterizing proteins expressed by a microorganism to tracking cancer-related biomarkers. Though MS technology has advanced significantly, the analysis of complicated proteomes, such as …
Optimization Of Labeling Techniques; Determination Of Best Parameter For Olfactory Mucosal Progenitor Cell Delivery And Study Of Effects Of Methylene Blue And Polyethylene Glycol In An Animal Model Of Spinal Cord Injury, Kiran Kumar Rokkappanavar
Optimization Of Labeling Techniques; Determination Of Best Parameter For Olfactory Mucosal Progenitor Cell Delivery And Study Of Effects Of Methylene Blue And Polyethylene Glycol In An Animal Model Of Spinal Cord Injury, Kiran Kumar Rokkappanavar
Wayne State University Theses
In the United States, the incidence of TSCI is about 40 per million persons per year, with approximately 250,000 living survivors of TSCI in the United States in July 2005. A number of human clinical trials (85) are ongoing using stem cells to evaluate the methods to reduce the injury following TBI. Among the stem cells, olfactory mucosal progenitor cells have several advantages with respect to ease of obtaining, fate of cells, etc. Our study was intended to optimize the labeling technique and to determine the best parameter to deliver the stem cells to the site of injury. We found …
Omega-3 Fatty Acids As Therapeutic Options For The Treatment Of B-Cell Chronic Lymphocytic Leukemia, Johannes Francois Fahrmann
Omega-3 Fatty Acids As Therapeutic Options For The Treatment Of B-Cell Chronic Lymphocytic Leukemia, Johannes Francois Fahrmann
Theses, Dissertations and Capstones
B-cell chronic lymphocytic leukemia (CLL) is the most common form of adult leukemia in the western world. CLL is often diagnosed in the asymptomatic (early-stage) stages. However, approximately 50% of these patients will progress to advanced, symptomatic disease and require therapy. Current treatment options are limited due to progressive drug resistance and severe drug-induced toxicities which are often too toxic for the elderly or those with co-morbidities. Therefore, a non-toxic therapeutic intervention that could slow the progression of asymptomatic CLL to symptomatic CLL or enhance the effects of actively used chemo-therapeutic drugs in patients who require therapy would be clinically …
Phosphorylation Of Histone Deacetylase 6 Within Its C-Terminal Region By Extracellular Signal Regulated Kinase 1, Kendra Allana Williams
Phosphorylation Of Histone Deacetylase 6 Within Its C-Terminal Region By Extracellular Signal Regulated Kinase 1, Kendra Allana Williams
USF Tampa Graduate Theses and Dissertations
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