Dartmouth Digital Library Program

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Investigation of vesicle fusion in ER to Golgi transport.
Membrane proteins -- Physiological transport. ; Biological transport -- Regulation. ; Cell membranes. ; Golgi apparatus. ; Endoplasmic reticulum. ; Saccharomyces cerevisiae -- Cytology.
Many intracellular transport events are mediated by vesicles that bud from donor membranes and then fuse with acceptor membranes. The transport of secretory proteins between the ER and Golgi compartments of the yeast Saccharomyces cerevisiae has...
Dartmouth Dissertations

Constitutively activated PI3K signaling accelerates tumor initiation and progression in breast and lung cancers / by Mee Rie Sheen.
Phosphatidylinositol 3-kinase (PI3K) is a major positive regulator of the PI3K signaling pathway that regulates many important cellular functions including growth, proliferation, survival, metabolism, and angiogenesis. The PIK3CA gene, encoding the...
Dartmouth Dissertations

Wnt pathway activation by ADP-ribosylation / by Eungi Yang
Wnt/[beta]-catenin signaling directs metazoan development and is aberrantly activated in many cancers; however, effective inhibitors to treat Wnt-driven cancers have long been elusive. Following the recent discovery that the ADPribose polymerase...
Dartmouth Dissertations

The role of Protein kinase C in FcαR and BCR trafficking to MHC class II-containing compartments and antigen presentation.
Protein kinase C. Antigen presenting cells. Antigens -- Receptors. T cells -- Receptors. Major histocompatibility complex -- Genetic aspects. CD4-Positive T-Lymphocytes -- immunology. Histocompatibility Antigens Class II -- immunology. Receptors
Activation of CD4 T cells to exogenous antigens requires the formation and surface display of antigen-derived peptide-MHC class II complexes by antigen presentation cells. Acquisition of peptide by MHC class II is much studied, but the rules and...
Dartmouth Dissertations

The SERM, Arzoxifene, and the rexinoid, LG100268, cooperate to prevent estrogen receptor-positive and -negative breast cancer as well as colon cancer.
Estrogen -- Receptors -- Regulation. Selective estrogen receptor modulators. Receptor-ligand complexes. Breast -- Cancer -- Chemoprevention. Colon (Anatomy) -- Cancer -- Chemoprevention.
We have previously shown that the selective estrogen receptor modulator, Arzoxifene (Arz), and the rexinoid, LG100268 (268) synergistically prevent breast cancer in an ER+ breast cancer model. This study was designed to determine the mechanism of...
Dartmouth Dissertations

Characterization and rescue of a Drosophila model of prion disease; and The role of carcinine in signaling at the Drosophila photoreceptor synapse.
Drosophila melanogaster -- Genetic aspects. Prion diseases. Neurotransmitters. Photoreceptors.
Drosophila melanogaster is a model organism often used when studying the complex processes of neuronal signaling and neurodegeneration. The short life cycle, malleable genetics, amenability to in vivo electrophysiological assays and sensitivity to...
Dartmouth Dissertations

The importance of dosage of core binding factors α and ß in hematopoietic development.
Hematopoiesis -- Regulation. ; Transcription factors.
Core Binding Factors (CBFs) are members of a small family of transcription factors that play critical roles in a number of mammalian developmental processes. CBFs are heterodimers consisting of a CBFα subunit, which contacts and binds DNA at the...
Dartmouth Dissertations

Roles for protein phosphatases in cell survival and cell death pathways.
Apoptosis. ; Phosphoprotein phosphatases -- Inhibitors. ; Cellular signal transduction. ; Genetic transcription -- Regulation.
Apoptosis is important for tissue homeostasis and is the mechanism of cell death induced by many anticancer agents. The apoptotic machinery is present in all cells, such that tight regulation must exist to prevent untimely cell and tissue death. To...
Dartmouth Dissertations

The effects of endocrine disruptors on the development of Xenopus embryos.
Xenopus laevis -- Embryology. Xenopus laevis -- Endocrinology. ; Estrogen -- Physiological effect. ; Estrogen -- Toxicology. ; Nonylphenol -- Physiological effect. Endocrine toxicology.
Many environmental toxicants found in pesticides, herbicides, and industrial solvents are believed to have deleterious effects on development by disrupting hormone-sensitive processes. Xenopus embryos were exposed to commonly encountered endocrine...
Dartmouth Dissertations

Cytoskeletal reorganization in B lymphocyte activation.
Lymphocyte transformation.
Dartmouth Dissertations

Growth regulation of rat hepatocytes by the liver tumor promoter ethinyl estradiol.
Ethinyl estradiol. ; Liver cells. ; Liver -- Growth.
Dartmouth Dissertations

Temporal regulation of microRNA expression during animal development.
RNA. Cells -- Growth -- Regulation. Caenorhabditis elegans -- Genetics. Caenorhabditis elegans -- Development. Drosophila melanogaster -- Genetic aspects. Drosophila melanogaster -- Development. Neurons -- Growth. Animal genetics.
MicroRNAs (miRNAs) are recently discovered family of genes with short non-coding RNA transcripts of 18 to 25 nucleotides in length. lin-4 and let-7 , the founding members of the miRNA gene family, control the timing of developmental programs in the...
Dartmouth Dissertations

Secondhand-smoke exposure affects the risk of cardiovascular disease / by Jennifer Carol Davey.
Secondhand cigarette smoke (SHCS) is a serious pollutant that significantly increases the risk for cardiovascular disease (CVD) in millions of people worldwide. A large proportion of those exposed to SHCS are children. Female C57B16 mice were...
Dartmouth Dissertations

Targeting CFTR endocytic interactions as a therapeutic strategy in cystic fibrosis / by Lemira Sahar Al Ayyoubi.
Despite the recent FDA approval of the potentiator drug Kalydeco for treatment of cystic fibrosis (CF), only a small (3-5%) portion of patients benefit from this drug. Other functional classes of drugs including correctors are under clinical...
Dartmouth Dissertations

The role of cell stress signalling in the induction of [gamma]-globin gene expression / by Emily K. Schaeffer.
Increased fetal hemoglobin (HbF) expression is beneficial for [beta]-hemoglobinopathy patients; however, most inducing agents do not possess the ideal combination of efficacy, safety and availability. Better understanding the mechanisms involved in...
Dartmouth Dissertations

The population dynamics, bioenergetics, and nutrient cycling of three species of mice in the Hubbard Brook Experimental Forest, New Hampshire, U.S.A
Mice; Forest ecology -- New Hampshire. ; Animal ecology -- New Hampshire
Dartmouth Dissertations

ACAT1 blockage stimulates autophagy to emeliorate Alzheimer's disease / by Yohei Shibuya
Alzheimer’s disease (AD) is a progressive neurodegenerative disease and the most common cause of dementia in the aging population. Currently, there is no cure for AD. The hallmark of AD consists of extracellular amyloid plaques, mainly composed...
Dartmouth Dissertations

The cloning and characterization of genes involved in amino acid metabolism in Neurospora crassa.
Neurospora crassa -- Genetics. ; Molecular cloning.
Dartmouth Dissertations

Circadian regulation of gene expression in Arabidopsis thaliana.
Arabidopsis thaliana. ; Circadian rhythms. ; Genetic regulation.
Dartmouth Dissertations

Regulation of the expression of MCL1, a viability promoting member of the BCL2 gene family.
Genetic regulation. ; Oncogenes. ; Hematopoiesis -- Regulation. ; Myeloid leukemia -- Genetic aspects.
Dartmouth Dissertations

Development and application of a dual-excitation, digital imaging, fluorescence microscope to investigate parathyroid hormone-stimulated calcium transport in kidney distal tubule cells.
Fluorescence microscopy. ; Calcium -- Physiological transport -- Measurement. ; Renal tubular transport -- Measurement.
Dartmouth Dissertations

Neo-architectonics computer-aided histological examination of the human visual cortex.
Visual cortex -- Imaging. ; Visual cortex -- Histology. ; Image processing -- Digital techniques.
Functional neuroimaging has confirmed a high degree of localization of function in the cerebral cortex of man. In contrast, microstructural analysis has contributed very little to the topographical characterization of cortical areas. In this work I...
Dartmouth Dissertations

Studies on the mechanism of insulin stimulation of glucose transport in the rat adipocyte.
Cellular control mechanisms. ; Cell physiology. ; Fat.
Dartmouth Dissertations

The regulation of gene expression by BRCA1 splice-variants in human mammary epithelial cells.
Antioncogenes. ; Genetic transcription -- Regulation. ; Mutation (Biology). ; Epithelial cells. ; Mammary glands -- Tumors. ; Proto-Oncogene Proteins. ; Breast Neoplasms -- genetics. ; BRCA1 Protein. ; Genes BRCA1 -- physiology.
Dartmouth Dissertations

Mechanisms for chromium-induced signaling changes in pulmonary epithelial cells.
Chromium -- Pathophysiology. ; Lungs -- Pathophysiology. ; Epithelial cells. ; Cellular signal transduction. ; Transcription factors -- Pathophysiology. ; Protein kinases -- Pathophysiology. ; src-Family Kinases. ; Mitogen-Activated Protein Kinases.
Both human epidemiological and animal studies have associated inhalation of chromium(VI) (Cr(VI)) with increased incidence of pulmonary disease. This thesis examined the hypotheses that Cr(VI) activates cell signaling through kinase cascades and...
Dartmouth Dissertations

Cell-type specific expression of matrix metalloproteinase-1 (MMP-1).
Metalloproteinases -- Genetic aspects. ; Metalloproteinases -- Pathophysiology. ; Collagenases -- Genetic aspects. ; Collagenases -- Pathophysiology. ; Extracellular matrix proteins.
Dartmouth Dissertations

Dosimetry for 5-aminolevulinic acid induced Protoporphyrin IX photodynamic therapy of Barrett's esophagus.
Esophagus -- Diseases -- Photochemotherapy -- Technique. ; Esophagus -- Diseases -- Dosimetric treatment. ; Radiation dosimetry. ; Porphyrins -- Therapeutic use.
Photodynamic therapy (PDT) is used to cause specific tissue destruction, using photochemical reactions that result from light excitation of photosensitizer, which has localized in the target tissue. The process of photosensitizer photobleaching was...
Dartmouth Dissertations

Development of a multi-high frequency electrical impedance tomography system for breast imaging.
Electrical impedance tomography. Breast -- Imaging. Imaging systems -- Design and construction.
Dartmouth Dissertations

Partial, Purification and Properties Of A Soluble (Na++K+)-Dependent ATPase From Rabbit Kidney.
Adenosine triphosphatase.
Dartmouth Dissertations

The interleukin 2 receptor: functional consequences of its biomolecular structure.
T cells -- Receptors. ; Interleukin-2.
Dartmouth Dissertations

DNA damage and cell cycle checkpoint regulation: The search for novel anticancer agents and combinations.
Ataxia telangiectasia -- Molecular aspects. DNA damage. Cell cycle -- Regulation. Antineoplastic agents. Cancer cells -- Growth -- Regulation. Medical Term Cell cycle proteins.
DNA can be damaged by many endogenous and exogenous factors. In response to DNA damage, cells activate cell cycle checkpoints to stop the cell cycle and allow time for repair of the damage. Defects in these pathways allow replication to continue...
Dartmouth Dissertations

Mechanisms of a glial modulating agent, propentofylline :potential new treatment for glioblastoma multiforme
Glioblastoma multiforme is the most common and aggressive primary brain tumor with a very poor prognosis despite multi-modalities of treatment. As a result, there is a critical need to develop alternative therapies. Propentofylline (PPF) is a...
Dartmouth Dissertations

Differential response in p53 wild-type cells to p53 activation by DNA damage and Nutlin-3
DNA damage induces cell cycle arrest through both Chk1 and the p53 tumor suppressor protein, the latter arresting cells through induction of p21waf1 protein. Arrest permits cells to repair the damage and recover. The frequent loss of p53 in tumor...
Dartmouth Dissertations

Role of proteolytic processing of tumor necrosis factor-[alpha] in immunopathology during influenza infection / by Matthew Peter DeBerge.
Influenza virus is a respiratory pathogen that is capable of causing considerable pulmonary pathology and respiratory dysfunction in humans. Seasonal influenza epidemics and the occasional influenza pandemic are responsible for significant...
Dartmouth Dissertations

Characterization of an inducible model of a genetic prion disease in Drosophila melanogaster / by Archana Murali.
Prion diseases are progressive disorders that affect the central nervous system leading to memory loss, personality changes, ataxia and neurodegeneration. In humans, these disorders include Creutzfeldt-Jakob disease, kuru and...
Dartmouth Dissertations

SirT1 regulates vascular smooth muscle cell plasticity : implications for age-related cardiovascular disease / by Anne Marie Thompson.
Loss of vascular smooth muscle cell function is a hallmark of vascular disease. Vascular smooth muscle cells become increasingly resistant to phenotypic modulation, apoptotic and senescent. Sirtuin 1 (SirT1) is a deactylase that regulates...
Dartmouth Dissertations

Identification and characterization of signaling pathways underlying the tumorigenic activity of [Delta]Np63[alpha] in breast cancer stem cells / by Amanda Lynn Balboni.
Studies presented in this dissertation focus on the transcriptional targets and cellular functions of [Delta]Np63[alpha], the predominant TP63 isoform expressed in epithelial stem cell compartments. TP63, a member of the p53 family of...
Dartmouth Dissertations

Links and regulatory loops between phospholipase C activity and colonization by the O2-responsive regulator Anr in Pseudomonas aeruginosa / by Angelyca A. Jackson.
Pseudomonas aeruginosa is a virulent opportunistic pathogen that is frequently cultured from infectious sites, and is estimated to cause ~12% of nosocomial infections worldwide [1]. P. aeruginosa infections occur in a majority of adults with the...
Dartmouth Dissertations

SGA screen identifies a cytoplasmic role for Dbp5/Rat8 and a novel player in nuclear pore complex biogenesis.
Nuclear membranes. Membrane proteins. Genetic regulation.
The coordination and coupling of the several steps in mRNA biogenesis helps to ensure proper regulation of gene expression. The DEAD-box helicase Dbp5/Rat8 is an essential mRNA export factor that has also been implicated in other steps of mRNA...
Dartmouth Dissertations

Exercise and the brain : impacts on cognition neural function and mental health / by Andrea M. Robinson.
It has been well established that physical exercise has broad impacts across the lifespan, including improved cognition, brain function, and mental health. Studies investigating the mechanism underlying the cognitive enhancing effect of exercise...
Dartmouth Dissertations

A role for membrane fusion in the activation of the respiratory burst in human neutrophils.
Membrane fusion. Oxidases. Neutrophils.
Dartmouth Dissertations

Involvement GP39 and CD40 interactions in the generation of immune responses to allogeneic antigens.
T cells. Antigen presenting cells. CD antigens. Ligands (Biochemistry). Cell interaction. Immune response -- Regulation.
Dartmouth Dissertations

Regulation of B lymphocyte proliferation and differentiation through CD40.
B cells. CD antigens. Immune response -- Regulation.
Dartmouth Dissertations

Hepatic toxicity and compensatory hyperplasia in a rat model of aflatoxin bi-induced liver cancer
Liver -- Cancer -- Etiology. Hepatotoxicology. Aflatoxins -- Toxicology. Taurine. Liver -- Cancer -- Animal models.
A hypothesis that chronic aflatoxin Bi- (AFBi) induced hepatotoxicity and the resulting compensatory cell proliferation are critical for the growth of preneoplastic lesions was investigated. A commonly utilized protocol which consists of 10 doses...
Dartmouth Dissertations

Activation of vascular endothelial cells in response to mineral fibers.
Asbestosis -- Pathophysiology. Asbestosis -- Molecular aspects. Pulmonary endothelium -- Genetic aspects. Endothelium -- Effect of asbestos on. Fibers -- Toxicology.
Dartmouth Dissertations

Disruption of the Cbfa2 or Cbfb gene causes necrosis and hemorrhages in the central nervous system and blocks definitive hematopoiesis.
Transcription factors. Genetic transcription. Hematopoiesis -- Genetic aspects. Central nervous system -- Growth -- Genetic aspects. Mice -- Nervous system -- Genetic aspects. Mammals -- Embryology -- Genetic aspects.
Dartmouth Dissertations

Kinetic characterization of metabolism and antibody production of a hybridoma cell line in high density homogeneous perfusion culture.
Hybridomas -- Metabolism. Hybridomas -- Growth. Cultures (Biology).
Dartmouth Dissertations

The identification of molecular targets of synthetic oleanane triterpenoids
Terpenes -- Mechanism of action. ; Protein kinases -- Inhibitors. ; Oleanolic Acid.
Synthetic oleanane triterpenoids (SO) are a novel class of therapeutic compounds based on the structure of oleanolic acid. These synthetic oleanane triterpenoids which include 2-cyano-3,12-dioxooleana-1,9(11)-dien-28-oic acid (CDDO), CDDO-methyl...
Dartmouth Dissertations

Modulation of CYPS: effect on acetaminophen hepatotoxicity.
Hepatotoxicology. ; Cytochrome P-450 -- Pathophysiology. ; Acetaminophen -- Toxicology. ; Alcohol -- Pathophysiology.
Cytochrome P450 (CYP) 2E1 is considered the sole CYP responsible for APAP bioactivation leading to hepatotoxicity. CYP2E1 is also considered the alcohol-inducible CYP and therefore, the sole CYP responsible for alcohol-mediated increases in APAP...
Dartmouth Dissertations

Comparison of the Torpedo and mammalian postsynaptic 43K protein and its relationship to the nicotinic acetylcholine receptor.
Nicotinic receptors. ; Acetylcholine -- Receptors. ; Neuromuscular transmission. ; Myoneural junction. Proteins.
Dartmouth Dissertations

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