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Articles 1 - 30 of 30
Full-Text Articles in Life Sciences
Expression And Function Of Hypoxia Inducible Factor-1 Alpha In Human Melanoma Under Non-Hypoxic Conditions, Caroline N. Mills, Sandeep S. Joshi, Richard M. Niles
Expression And Function Of Hypoxia Inducible Factor-1 Alpha In Human Melanoma Under Non-Hypoxic Conditions, Caroline N. Mills, Sandeep S. Joshi, Richard M. Niles
Biochemistry and Microbiology
Background
Hypoxia inducible factor-1 alpha (HIF-1α) protein is rapidly degraded under normoxic conditions. When oxygen tensions fall HIF-1α protein stabilizes and transactivates genes involved in adaptation to hypoxic conditions. We have examined the normoxic expression of HIF-1α RNA and protein in normal human melanocytes and a series of human melanoma cell lines isolated from radial growth phase (RGP), vertical growth phase (VGP) and metastatic (MET) melanomas.
Results
HIF-1α mRNA and protein was increased in RGP vs melanocytes, VGP vs RGP and MET vs VGP melanoma cell lines. We also detected expression of a HIF-1α mRNA splice variant that lacks part …
Arkansas Animal Science Department Report 2010, Zelpha B. Johnson, D. Wayne Kellogg
Arkansas Animal Science Department Report 2010, Zelpha B. Johnson, D. Wayne Kellogg
Arkansas Agricultural Experiment Station Research Series
No abstract provided.
The Role Of Human Endogenous Retroviruses In Renal Cell Carcinoma, Michele D. Tisdale
The Role Of Human Endogenous Retroviruses In Renal Cell Carcinoma, Michele D. Tisdale
Biological Sciences Theses & Dissertations
Human endogenous retroviruses make up approximately 8-9% of the human genome. A number of expressed HERVs, those that are actively transcribing, have been associated with various cancers. Suppression mechanisms that control HERV expression often fail or become more permissive in tissues where expression should be restricted. Previous studies have identified HERV expression in breast cancer tissues, whereas normal tissue HERV expression remained suppressed. In addition, studies of DNA hypermethylation have correlated with the ability to contribute to cancer development. Hypermethylation of several tumor suppressor genes occurs frequently in cancers and alterations in promoter regions could contribute to the development of …
Common Regional Pests Of Western Australia, Department Of Agriculture And Food, Western Australia
Common Regional Pests Of Western Australia, Department Of Agriculture And Food, Western Australia
Bulletins 4000 -
Western Australia is free from many exotic animal and plant pests, diseases and weeds that are present elsewhere in Australia. However, the state does have some unwanted intruders. Of these, many are declared plants or declared animals which, for the sake of convenience, we collectively call declared pests.
Modulation Of Lps-Induced Activation Of Hepatic Map Kinases, Oliver Surriga
Modulation Of Lps-Induced Activation Of Hepatic Map Kinases, Oliver Surriga
Seton Hall University Dissertations and Theses (ETDs)
Lipopolysaccharide (LPS) is a potent inflammagen that has been found to be primarily responsible for many symptoms caused by gram-negative bacterial infections. The LPS-initiated signal transduction pathways involve several terminal kinases, mainly p42/44 mitogen-activated protein kinase (MAPK), p38 MAPK and c-Jun N-terminal kinase (JNK), ultimately leading to increased expression of genes encoding such inflammatory cytokines as interleukin (IL )-1 �. IL-6 and tumor necrosis factors (TNF)-u. In this study, the effects of age on LPS-induced activation of MAPKs in the liver of rats were examined. Results show that the basal level of phosphorylated p42/44 MAPK was increased in postnatal day …
Inhibition Of Yeast Hexokinase By The Antimalarial Drug Artemisinin: Probing Mechanism Of Action With A Model Enzyme, Jennifer S. Spence
Inhibition Of Yeast Hexokinase By The Antimalarial Drug Artemisinin: Probing Mechanism Of Action With A Model Enzyme, Jennifer S. Spence
Biological Sciences Theses & Dissertations
A leading infectious cause of death, malaria threatens approximately half of the world's population, and drug-resistant strains of Plasmodium falciparum have created immense difficulty in chemotherapy of the disease. The artemisinin (ART) class of antimalarials may represent a powerful solution. In addition to their safety, effectiveness, and moderate cost, they are the only drugs in use for which there has been no widespread evidence of clinical resistance. The exact parasiticidal mechanism of ART is highly contested, but evidence suggests that protein alkylation may play a role in cytotoxicity. in vitro essays were performed using yeast hexokinase (HK) to demonstrate a …
A Comparison Of Fluoroquinolones Versus Other Antibiotics For Treating Enteric Fever: Meta-Analysis, Durrane Thaver, Anita K. M. Zaidi, Julia Critchley, Asma Azmatullah, Syed Ali Madni, Zulfiqar Ahmed Bhutta
A Comparison Of Fluoroquinolones Versus Other Antibiotics For Treating Enteric Fever: Meta-Analysis, Durrane Thaver, Anita K. M. Zaidi, Julia Critchley, Asma Azmatullah, Syed Ali Madni, Zulfiqar Ahmed Bhutta
Department of Paediatrics and Child Health
Objectives: To review evidence supporting use of fluoroquinolones as first line agents over other antibiotics for treating typhoid and paratyphoid fever (enteric fever).
Design: Meta-analysis of randomised controlled trials. Data sources: Cochrane Infectious Diseases Group specialised register, CENTRAL (issue 4, 2007), Medline (1966-2007), Embase (1974-2007), LILACS (1982-2007), selected conferences, reference lists, and ongoing trial register (November 2007).
Review methods: Trials comparing fluoroquinolones with chloramphenicol, cephalosporins, or azithromycin in culture-proven enteric fever were included. Two reviewers extracted data and assessed methodological quality. Odds ratios with 95% confidence intervals were estimated. Trials recruiting over 60% children were analysed separately from trials on …
Molecular Epidemiology Of Methicillin-Resistant Staphylococcus Aureus (Mrsa), Ilene Bautista
Molecular Epidemiology Of Methicillin-Resistant Staphylococcus Aureus (Mrsa), Ilene Bautista
UNLV Theses, Dissertations, Professional Papers, and Capstones
Staphylococcus aureus is a frequent cause of a myriad of infections in hospitals, healthcare facilities and community settings. It is often related to skin and soft tissue infection, but it can also cause other diseases varying from food poisoning to endocarditis and toxic shock syndrome. According to a study by Kuehnert et al. (2006) there has been a strong association between Staphylococcus aureus (S. aureus) carriage and risk factors for subsequent infections. Subsequent infection from S. aureus , including methicillin-resistant S. aureus (MRSA) infection, can be projected by looking at the presence of S. aureus nasal colonization. The purpose of …
The Generation Of Influenza-Specific Humoral Responses Is Impaired In St6gal I-Deficient Mice., Thandi M. Onami, J Zeng, H. M. Joo, B. Rajini, J. P. Wrammert, M. Y. Sangster
The Generation Of Influenza-Specific Humoral Responses Is Impaired In St6gal I-Deficient Mice., Thandi M. Onami, J Zeng, H. M. Joo, B. Rajini, J. P. Wrammert, M. Y. Sangster
Microbiology Publications and Other Works
Posttranslational modification of proteins, such as glycosylation, can impact cell signaling and function. ST6Gal I, a glycosyltransferase expressed by B cells, catalyzes the addition of alpha-2,6 sialic acid to galactose, a modification found on N-linked glycoproteins such as CD22, a negative regulator of B cell activation. We show that SNA lectin, which binds alpha-2,6 sialic acid linked to galactose, shows high binding on plasma blasts and germinal center B cells following viral infection, suggesting ST6Gal I expression remains high on activated B cells in vivo. To understand the relevance of this modification on the antiviral B cell immune response, we …
The Generation Of Influenza-Specific Humoral Responses Is Impaired In St6gal I-Deficient Mice., Thandi M. Onami, J Zeng, H. M. Joo, B. Rajini, J. P. Wrammert, M. Y. Sangster
The Generation Of Influenza-Specific Humoral Responses Is Impaired In St6gal I-Deficient Mice., Thandi M. Onami, J Zeng, H. M. Joo, B. Rajini, J. P. Wrammert, M. Y. Sangster
Thandi M. Onami
Posttranslational modification of proteins, such as glycosylation, can impact cell signaling and function. ST6Gal I, a glycosyltransferase expressed by B cells, catalyzes the addition of alpha-2,6 sialic acid to galactose, a modification found on N-linked glycoproteins such as CD22, a negative regulator of B cell activation. We show that SNA lectin, which binds alpha-2,6 sialic acid linked to galactose, shows high binding on plasma blasts and germinal center B cells following viral infection, suggesting ST6Gal I expression remains high on activated B cells in vivo. To understand the relevance of this modification on the antiviral B cell immune response, we …
Mechanisms Of Regulation Of Proximal Tubule Sodium Transporters In Obesity-Induced Hypertension, Marta A. Ambrozewicz
Mechanisms Of Regulation Of Proximal Tubule Sodium Transporters In Obesity-Induced Hypertension, Marta A. Ambrozewicz
Theses and Dissertations in Biomedical Sciences
Hypertension is one of the common complications of obesity. Using a rat model of diet induced obesity and hypertension we investigated some of the mechanisms that are involved in regulation of blood pressure in obesity. The first aim of this study was to determine the role of proximal tubule transporters on the renal sodium handling in obese hypertensive (OP) and lean normotensive (OR) rats. An acute increase in renal perfusion pressure resulted in a blunted natriuretic response in OP vs. OR rats and indicated that increased sodium reabsorption in the proximal tubule is casual, at least in part, for hypertension …
Immediate Effect Of Heel-Pain Orthosis And An Augmented Low-Dye Taping On Plantar Pressures And Pain In Subjects With Plantar Fasciitis, Tracy Andus
Human Movement Sciences & Special Education Theses & Dissertations
Research has been done investigating plantar pressures and pain in subjects with pathologies after the application of orthoses and arch taping. To date, however, no study has been conducted investigating plantar pressures and pain in subjects with plantar fasciitis after the application of the augmented low-dye taping (ALD) in comparison to a heel-pain orthosis (HPO). Therefore, the purpose of this study was to determine the effects of the ALD in comparison to a HPO on pain, peak plantar pressure (PPP), and mean plantar pressure (MPP) under multiple areas of the foot in subjects with plantar fasciitis while walking and jogging. …
When Old-Order Amish Meet New Order Science: Genetic Maladies And The Amish Dilemma, Kelley Downey
When Old-Order Amish Meet New Order Science: Genetic Maladies And The Amish Dilemma, Kelley Downey
Undergraduate Research Conference
The Old World Amish, an Anabaptist Christian domination in the United States and Canada are know for their plain dress, avoidance of modern technology, and separation from the mainstream society.
A traditional agricultural religious group, the Old World Amish maintains isolation from the rest of the community. Financially well-off, they are homogeneous on education, occupation by gender, age at marriage, religion/ethnicity, and health care.
Although the Amish strongly discourage marriage between close cousins, the Lancaster Amish genealogy is described as mutational - inbreeding from multiple, remote connections rather than close consanguinity (first-cousin marriages).
Amish settlements have been identified with certain …
Preliminary Characterization Of Mitochondrial Atp-Sensitive Potassium Channel (Mitokatp) Activity In Mouse Heart Mitochondria, Venkat Raghav Aachi
Preliminary Characterization Of Mitochondrial Atp-Sensitive Potassium Channel (Mitokatp) Activity In Mouse Heart Mitochondria, Venkat Raghav Aachi
Dissertations and Theses
Myocardial ischemia, infarction, heart failure and arrhythmias are the manifestations of coronary artery disease. Reduction of ischemic damage is a major concern of cardiovascular biology research. As per recent studies, the mitochondrial ATP-sensitive potassium channel (mitoKATP) opening is believed to play key role in the physiology of cardioprotection, protection against ischemia-reperfusion injury or apoptosis. However, the structural information of mitoKATP is not precisely known. Elucidating the structural integrity and functioning of the mitoKATP is therefore a major goal of cardiovascular biology research. The known structure and function of the cell ATP-sensitive potassium channel (cellKATP) …
Accumulation Of Rhodopsin In Late Endosomes Triggers Photoreceptor Cell Degeneration, Yashodhan Chinchore, Amitavo Mitra, Patrick J. Dolph, Norbert Perrimon
Accumulation Of Rhodopsin In Late Endosomes Triggers Photoreceptor Cell Degeneration, Yashodhan Chinchore, Amitavo Mitra, Patrick J. Dolph, Norbert Perrimon
Dartmouth Scholarship
Progressive retinal degeneration is the underlying feature of many human retinal dystrophies. Previous work using Drosophila as a model system and analysis of specific mutations in human rhodopsin have uncovered a connection between rhodopsin endocytosis and retinal degeneration. In these mutants, rhodopsin and its regulatory protein arrestin form stable complexes, and endocytosis of these complexes causes photoreceptor cell death. In this study we show that the internalized rhodopsin is not degraded in the lysosome but instead accumulates in the late endosomes. Using mutants that are defective in late endosome to lysosome trafficking, we were able to show that rhodopsin accumulates …
Accumulation Of Artemisinin Trioxane Derivatives Within Neutral Lipids Of Plasmodium Falciparum Malaria Parasites Is Endoperoxide-Dependent, Carmony L. Hartwig, Andrew S. Rosenthal, John D'Angelo, Carol E. Griffin, Gary H. Posner, Roland A. Cooper
Accumulation Of Artemisinin Trioxane Derivatives Within Neutral Lipids Of Plasmodium Falciparum Malaria Parasites Is Endoperoxide-Dependent, Carmony L. Hartwig, Andrew S. Rosenthal, John D'Angelo, Carol E. Griffin, Gary H. Posner, Roland A. Cooper
Collected Faculty and Staff Scholarship
The antimalarial trioxanes, exemplified by the naturally occurring sesquiterpene lactone artemisinin and its semi-synthetic derivatives, contain an endoperoxide pharmacophore that lends tremendous potency against Plasmodium parasites. Despite decades of research, their mechanism of action remains unresolved. A leading model of anti-plasmodial activity hypothesizes that iron-mediated cleavage of the endoperoxide bridge generates cytotoxic drug metabolites capable of damaging cellular macromolecules. To probe the malarial targets of the endoperoxide drugs, we studied the distribution of fluorescent dansyl trioxane derivatives in living, intraerythrocytic-stage Plasmodium falciparum parasites using microscopic imaging. The fluorescent trioxanes rapidly accumulated in parasitized erythrocytes, localizing within digestive vacuole-associated neutral lipid …
Hydroxyl Radical Is Produced Via The Fenton Reaction In Submitochondrial Particles Under Oxidative Stress: Implications For Diseases Associated With Iron Accumulation, Carin Thomas, Melissa M. Mackey, Amy A. Diaz, David P. Cox
Hydroxyl Radical Is Produced Via The Fenton Reaction In Submitochondrial Particles Under Oxidative Stress: Implications For Diseases Associated With Iron Accumulation, Carin Thomas, Melissa M. Mackey, Amy A. Diaz, David P. Cox
All Faculty Scholarship for the College of the Sciences
Mitochondrial dysfunction and reactive oxygen species (ROS) are often implicated in diseases involving oxidative stress and elevated iron. As mitochondria produce ATP by oxidative phosphorylation, ROS by-products are generated from the electron transport chain. Although superoxide and hydrogen peroxide have been thoroughly investigated, little evidence documents hydroxyl radical (HO•) production in mitochondria. In order to determine whether HO• is generated under oxidative stress conditions by a Fenton-type mechanism, bovine heart submitochondrial particles were examined for HO• in the presence and absence of iron ligands, antioxidant enzymes and HO• scavengers. HO• was measured as 2,3- and 2,5-dihydroxybenzoic acid (DHBA), using HPLC …
Role Of Chromodomain Helicase Dna-Binding Protein 2 In Dna Damage Response Signaling And Tumorigenesis., Thandi M. Onami, P. Nagarajan, S. Rajagopalan, S. Kania, R. Donnell, S. Venkatachalam
Role Of Chromodomain Helicase Dna-Binding Protein 2 In Dna Damage Response Signaling And Tumorigenesis., Thandi M. Onami, P. Nagarajan, S. Rajagopalan, S. Kania, R. Donnell, S. Venkatachalam
Microbiology Publications and Other Works
The chromodomain helicase DNA-binding proteins (CHDs) are known to affect transcription through their ability to remodel chromatin and modulate histone deacetylation. In an effort to understand the functional role of the CHD2 in mammals, we have generated a Chd2 mutant mouse model. Remarkably, the Chd2 protein appears to play a critical role in the development, hematopoiesis and tumor suppression. The Chd2 heterozygous mutant mice exhibit increased extramedullary hematopoiesis and susceptibility to lymphomas. At the cellular level, Chd2 mutants are defective in hematopoietic stem cell differentiation, accumulate higher levels of the chromatin-associated DNA damage response mediator, cH2AX, and exhibit an aberrant …
A Watershed Analysis Of Salmon Lake And Mcgrath Pond: Implications For Water Quality And Land Use Management, Colby Environmental Assessment Team, Colby College, Problems In Environmental Science Course (Biology 493), Colby College
A Watershed Analysis Of Salmon Lake And Mcgrath Pond: Implications For Water Quality And Land Use Management, Colby Environmental Assessment Team, Colby College, Problems In Environmental Science Course (Biology 493), Colby College
Colby College Watershed Study: Salmon Lake and McGrath Pond (2009, 1993)
In the summer and fall of 2009, the Colby Environmental Assessment Team (CEAT) studied the water quality of Salmon Lake and McGrath Pond, located in the Belgrade Lakes Region of Maine. The physical, chemical and biological characteristics of water quality were measured and analyzed to evaluate the current health of these lakes. Water quality data collected during the summer and fall of 2009 were compared with data from previous years to study the historic water quality trends. Land use patterns in the Salmon/McGrath watershed were also examined to investigate their impact on the lake water quality. The water quality trends …
Alfp: Identifying Issues In Lymphoedema In Hte Us, Jane Armer, Joseph Feldman, Mei Fu, Nicole Stout, Bonnie Lasinski, Catherine Tuppo, Marcia Beck, Julie Rodrick, Robin Shook, Pierre Gonon, Constance Brooks, Christine Moffatt, Bob Stewart, Janice Cormier
Alfp: Identifying Issues In Lymphoedema In Hte Us, Jane Armer, Joseph Feldman, Mei Fu, Nicole Stout, Bonnie Lasinski, Catherine Tuppo, Marcia Beck, Julie Rodrick, Robin Shook, Pierre Gonon, Constance Brooks, Christine Moffatt, Bob Stewart, Janice Cormier
Robin Shook
The American Lymphedema Framework Project (ALFP) is a national initiative introduced in 2008 to improve the management of lymphoedema (LE) and related disorders in the United States. A National Stakeholders Conference was held in March 2009 to share perspectives on the current state of LE, establish priority issues, and recommend actions to move the field forward.
Role Of Chromodomain Helicase Dna-Binding Protein 2 In Dna Damage Response Signaling And Tumorigenesis., Thandi M. Onami, P. Nagarajan, S. Rajagopalan, S. Kania, R. Donnell, S. Venkatachalam
Role Of Chromodomain Helicase Dna-Binding Protein 2 In Dna Damage Response Signaling And Tumorigenesis., Thandi M. Onami, P. Nagarajan, S. Rajagopalan, S. Kania, R. Donnell, S. Venkatachalam
Thandi M. Onami
The chromodomain helicase DNA-binding proteins (CHDs) are known to affect transcription through their ability to remodel chromatin and modulate histone deacetylation. In an effort to understand the functional role of the CHD2 in mammals, we have generated a Chd2 mutant mouse model. Remarkably, the Chd2 protein appears to play a critical role in the development, hematopoiesis and tumor suppression. The Chd2 heterozygous mutant mice exhibit increased extramedullary hematopoiesis and susceptibility to lymphomas. At the cellular level, Chd2 mutants are defective in hematopoietic stem cell differentiation, accumulate higher levels of the chromatin-associated DNA damage response mediator, cH2AX, and exhibit an aberrant …
2009- 2010 Unlv Mcnair Journal, Kathleen Bell, Danetta Bradley, Vacheral M. Carter, Nydia Diaz, Kathryn E. English, Sarah Harrison, Michelle Israel, Christina Macke, Erica Orozco, Pilar Palos, Sandra Ramos, Soraya A. Silverman, Susan Taylor, Sajar Camara, William Mccurdy, Yvonne C. Morris, Maxym V. Myroshnychenko, Ricardo Rios, Monique Sulls, Bremen Vance, Barbara Wallen
2009- 2010 Unlv Mcnair Journal, Kathleen Bell, Danetta Bradley, Vacheral M. Carter, Nydia Diaz, Kathryn E. English, Sarah Harrison, Michelle Israel, Christina Macke, Erica Orozco, Pilar Palos, Sandra Ramos, Soraya A. Silverman, Susan Taylor, Sajar Camara, William Mccurdy, Yvonne C. Morris, Maxym V. Myroshnychenko, Ricardo Rios, Monique Sulls, Bremen Vance, Barbara Wallen
McNair Journal
Journal articles based on research conducted by undergraduate students in the McNair Scholars Program
Table of Contents
Biography of Dr. Ronald E. McNair
Statements:
Dr. Neal J. Smatresk, UNLV President
Dr. Juanita P. Fain, Vice President of Student Affairs
Dr. William W. Sullivan, Associate Vice President for Retention and Outreach
Mr. Keith Rogers, Deputy Executive Director of the Center for Academic Enrichment and Outreach
McNair Scholars Institute Staff
Loss Of Ski Expression In Testicular Cancer Leads To An Enhanced Invasive Phenotype Through Both Bmp-Dependent And Bmp-Independent Pathways, Amy N. Nash
Theses, Dissertations and Capstones
The proto-oncogene SKI is a transcription factor and a co-repressor of the TGFβ superfamily, including TGF
β and BMP. However, additional data suggests that SKI may function as a tumor suppressor in some cell types. The TGFβ superfamily has been implicated in cancer progression and germ cell migration. Testicular cancer afflicts men during their peak reproductive years and is the most common cancer among men of this age group. Cisplatin-based chemotherapy is the standard treatment for testicular cancer. This treatment can lead to undesirable side effects, including infertility. We have shown that SKI expression is decreased in testicular germ cell …
Prevalence Of Intestinal Parasite Infection In Symptomatic And Asymptomatic Dogs In Southwestern West Virginia: The Potential Impact On Human Health, Tashina Marie Savilla
Prevalence Of Intestinal Parasite Infection In Symptomatic And Asymptomatic Dogs In Southwestern West Virginia: The Potential Impact On Human Health, Tashina Marie Savilla
Theses, Dissertations and Capstones
Most dog owners are unaware of asymptomatic infection and of the possibility of contracting zoonotic parasites from their dogs. We hypothesized that parasite infection is: associated with one or more symptoms; independent of gender and age; and independent of anthelmintic usage. Stool samples were collected from 231 dogs in Kanawha County, West Virginia, and were examined by simple fecal flotation. Parasitic prevalence was found to be 23% for Ancylostoma caninum, 8% for Trichuris vulpis, 7% for Toxocara canis, 4% for Isospora species, and 32.5% overall. There was no significant relationship between infection and gender, nor between infection and symptom for …
Prevalence Of Vitamin D Insufficiency Among Breast Cancer Survivors, Kristen Poole Trukova
Prevalence Of Vitamin D Insufficiency Among Breast Cancer Survivors, Kristen Poole Trukova
Master's Theses and Doctoral Dissertations
The objective of this study was to determine if vitamin D deficiency is a prevalent problem for female breast cancer survivors (BCS) who have completed treatment for breast cancer. Ninetynine breast cancer survivors and a control population of fifty-five women with no history of breast cancer participated in this study. Serum 25-hydroxy vitamin D concentrations were measured throughout 2007. Dietary and supplement intake of vitamin D was assessed by a food frequency questionnaire. Zip code of residence was used to evaluate potential for skin production of vitamin D. Vitamin D deficiency (<32ng/mL) was observed in 76 of 99 (77%) of BCS, and 51 of 55 (93%) of controls. Women taking vitamin D supplements were less likely to exhibit vitamin D deficiency, but supplementation did not guarantee sufficiency. Vitamin D deficiency appears to be prevalent among both groups. Vitamin D status should be routinely evaluated for all women as part of regular preventive care.
Results From A Mathematical Model For Human Monocytic Ehrlichiosis, H. Gaff, L. Gross, E. Schaefer
Results From A Mathematical Model For Human Monocytic Ehrlichiosis, H. Gaff, L. Gross, E. Schaefer
Biological Sciences Faculty Publications
Human monocytic ehrlichiosis (Ehrlichia chaffeensis), HME, is a tick-transmitted, rickettsial disease that has recently increased substantially in the USA from 142 reported cases in 2001 to 506 reported cases in 2005 [1,2]. There have been increasing surveys of tick populations over the past 10 years that have in turn supported the development of models for tick-borne disease transmission. Resulting HME models [3] suggest the importance of metapopulation structures, landscape environment parameters and periodic climatic effects in predicting the dynamics of HME transmission and the efficacy of control efforts, such as the reduction of the tick population through acaricide …
Ua94/6/1 Student / Alumni Personal Papers Western Kentucky University Small Collections, Wku Archives
Ua94/6/1 Student / Alumni Personal Papers Western Kentucky University Small Collections, Wku Archives
WKU Archives Collection Inventories
Small collections of personal papers and oral histories relating to the Western Kentucky University.
Protection Of Macrophages J774a.1 By Purine Nucleoside Analogues From Bacillus Anthracis Mediated Necrosis, Zadkiel R. Alvarez
Protection Of Macrophages J774a.1 By Purine Nucleoside Analogues From Bacillus Anthracis Mediated Necrosis, Zadkiel R. Alvarez
UNLV Theses, Dissertations, Professional Papers, and Capstones
Eight years after the lamentable anthrax attacks, major scientific effort continues to be done, in order to stop imminent acts of bioterrorism. Innovative ways of therapy against the anthrax disease are being investigated. B. anthracis, the etiological agent of the infection, has a dormant stage in its life cycle known as the endospore. When conditions become favorable spores germinate, transforming into vegetative bacteria. In inhalational anthrax, the most fatal manifestation of the disease, spores enter the organism through the respiratory track, and are phagocytosized by alveolar macrophages of the lungs. Spores are able to sense nutrient availability, activating their germination …
Diabetic Rates And Mice Are Resistent To Porcine And Human Insulin: Flawed Experimental Models For Testing Islet Xenograft, A. Pepper, C. Gall, D. Mazzuca, C.W.J. Melling, D. White
Diabetic Rates And Mice Are Resistent To Porcine And Human Insulin: Flawed Experimental Models For Testing Islet Xenograft, A. Pepper, C. Gall, D. Mazzuca, C.W.J. Melling, D. White
Jamie Melling
BACKGROUND: Islet transplantation is potentially a promising therapy for the restoration of carbohydrate control to diabetic patients. However, the global application of islet transplantation requires a ubiquitous source of beta cells. The xenotransplantation of porcine islets would provide such a source. Success in porcine islet xenografting has been achieved in diabetic primates. However, there are few reports of reversal of diabetes with porcine islet xenografts in rodent models of diabetes, relative to the number of successful rodent experiments performed as allografts. Here we report for the first time the inability of porcine (and human) insulin to control blood glucose levels …
Myocardial Hsp70 Phosphorylation And Pkc-Mediated Cardioprotection Following Exercise, C.W. Melling, David Thorp, Kevin Milne, Earl Noble
Myocardial Hsp70 Phosphorylation And Pkc-Mediated Cardioprotection Following Exercise, C.W. Melling, David Thorp, Kevin Milne, Earl Noble
Jamie Melling
Both protein kinase C (PKC) activation and Hsp70 expression have been shown to be key components for exercise-mediated myocardial protection during ischemia–reperfusion injury. Given that Hsp70 has been shown to undergo inducible phosphorylation in striated muscle and liver, we hypothesized that PKC may regulate myocardial Hsp70 function and subsequent exercise-conferred cardioprotection through this phosphorylation. Hence, acute exercise of male Sprague–Dawley rats (30 m/min for 60 min at 2% grade) was employed to assess the role of PKC and its selected isoforms in phosphorylation of Hsp70 and protection of the myocardium during ischemia-reperfusion injury. It was observed that administration of the …