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Articles 3061 - 3090 of 5571
Full-Text Articles in Immunology and Infectious Disease
Environmental Data Analysis And Remote Sensing For Early Detection Of Dengue And Malaria, Md Zahidur Rahman, Leonid Roytman, Abdelhamid Kadik, Dilara A. Rosy
Environmental Data Analysis And Remote Sensing For Early Detection Of Dengue And Malaria, Md Zahidur Rahman, Leonid Roytman, Abdelhamid Kadik, Dilara A. Rosy
Publications and Research
Malaria and dengue fever are the two most common mosquito-transmitted diseases, leading to millions of serious illnesses and deaths each year. Because the mosquito vectors are sensitive to environmental conditions such as temperature, precipitation, and humidity, it is possible to map areas currently or imminently at high risk for disease outbreaks using satellite remote sensing. In this paper we propose the development of an operational geospatial system for malaria and dengue fever early warning; this can be done by bringing together geographic information system (GIS) tools, artificial neural networks (ANN) for efficient pattern recognition, the best available ground-based epidemiological and …
Association Between Symptomatic Vulvovaginal Candidiasis And Hiv Rna Levels In Plasma And Genital Secretions Among Women On Haart, Teke Apalata, William H. Carr, Benjamin Longo-Mbenza, Willem A. Sturm, P. Moodley
Association Between Symptomatic Vulvovaginal Candidiasis And Hiv Rna Levels In Plasma And Genital Secretions Among Women On Haart, Teke Apalata, William H. Carr, Benjamin Longo-Mbenza, Willem A. Sturm, P. Moodley
Publications and Research
Background. Genital tract (GT) inflammation plays a major role in HIV transmission. We aimed to determine the association between symptomatic vulvovaginal candidiasis (VVC) and HIV RNA levels in plasma and GTs of HIV-infected women on highly active antiretroviral therapy (HAART).
Method. Women with VVC on HAART were recruited from a primary healthcare clinic in KwaZulu-Natal Province, South Africa, between June 2011 and December 2011. VVC was diagnosed clinically, supported by Gram staining and culture of genital secretions. HIV RNA load was determined by reverse transcription polymerase chain reaction. CD4+ counts were obtained from patients’ medical records.
Results. Plasma HIV RNA …
Paleoparasitological Studies On Mummies Of The Joseon Dynasty, Korea, Min Seo, Adauto Araújo, Karl J. Reinhard, Jong Yil Chai, Dong Hoon Shin
Paleoparasitological Studies On Mummies Of The Joseon Dynasty, Korea, Min Seo, Adauto Araújo, Karl J. Reinhard, Jong Yil Chai, Dong Hoon Shin
Karl Reinhard Publications
Paleoparasitology is the application of conventional or molecular investigative techniques to archeological samples in order to reveal parasitic infection patterns among past populations. Although pioneering studies already have reported key paleoparasitological findings around the world, the same sorts of studies had not, until very recently, been conducted in sufficient numbers in Korea. Mummified remains of individuals dating to the Korean Joseon Dynasty actually have proved very meaningful to concerned researchers, owing particularly to their superb preservation status, which makes them ideal subjects for paleoparasitological studies. Over the past several years, our study series on Korean mummies has yielded very pertinent …
Cystic Echinococcoses In Mongolia: Molecular Identification, Serology And Risk Factors, Akira Ito, Temuulen Dorjsuren, Anu Davaasuren, Tetsuya Yanagida, Yasuhito Sako, Kazuhiro Nakaya, Minoru Nakao, Oyun-Erdene Bat-Ochir, Tsendjav Ayushkhuu, Narantuya Bazarragchaa, Nyamkhuu Gonchigsengee, Tiaoying Li, Gurbadam Agvaandaram, Abmed Davaajav, Chinchuluun Boldbaatar, Gantigmaa Chuluunbaatar
Cystic Echinococcoses In Mongolia: Molecular Identification, Serology And Risk Factors, Akira Ito, Temuulen Dorjsuren, Anu Davaasuren, Tetsuya Yanagida, Yasuhito Sako, Kazuhiro Nakaya, Minoru Nakao, Oyun-Erdene Bat-Ochir, Tsendjav Ayushkhuu, Narantuya Bazarragchaa, Nyamkhuu Gonchigsengee, Tiaoying Li, Gurbadam Agvaandaram, Abmed Davaajav, Chinchuluun Boldbaatar, Gantigmaa Chuluunbaatar
Harold W. Manter Laboratory of Parasitology: Library Materials
Abstract
Background
Cystic echinococcosis (CE) is a globally distributed cestode zoonosis that causes hepatic cysts. Although Echinococcus granulosus sensu stricto (s.s.) is the major causative agent of CE worldwide, recent molecular epidemiological studies have revealed that E. canadensis is common in countries where camels are present. One such country is Mongolia.
Methodology/Principal Findings
Forty-three human hepatic CE cases that were confirmed histopathologically at the National Center of Pathology (NCP) in Ulaanbaatar (UB) were identified by analysis of mitochondrial cox1 gene as being caused by either E. canadensis (n = 31, 72.1%) or E. granulosus s.s. ( …
Implications Of Human Umbilical Cord Blood Cells: An Immunotherapeutic Strategy For Alzheimer's Disease, Donna Darlington
Implications Of Human Umbilical Cord Blood Cells: An Immunotherapeutic Strategy For Alzheimer's Disease, Donna Darlington
USF Tampa Graduate Theses and Dissertations
ABSTRACT
Alzheimer's disease (AD) is the most common progressive age related dementia and the fourth major cause of mortality in the elderly in the United States. AD is pathologically characterized by deposition of amyloid beta (Aβ) plaques in the brain parenchyma and neurofibrillary tangles (NFTs) within the neuronal soma. While pharmacological targets have been discovered, current strategies for the symptomatic or disease-modifying treatment of AD do not significantly slow or halt the underlying pathological progression of the disease. Consequently, more effective treatment is needed. One possibility for amelioration is using human umbilical cord blood cell (HUCBC) therapy. HUCBCs comprise a …
Urinary Estrogen Metabolites And Self-Reported Infertility In Women Infected With Schistosoma Haematobium, Julio Santos, Maria Joao Gouveia, Nuno Vale, Maria De Lurdes Delgado, Ana Goncalves, Gabriel Rinaldi, Paul J. Brindley, +10 Additional Authors
Urinary Estrogen Metabolites And Self-Reported Infertility In Women Infected With Schistosoma Haematobium, Julio Santos, Maria Joao Gouveia, Nuno Vale, Maria De Lurdes Delgado, Ana Goncalves, Gabriel Rinaldi, Paul J. Brindley, +10 Additional Authors
Microbiology, Immunology, and Tropical Medicine Faculty Publications
Background
Schistosomiasis is a neglected tropical disease, endemic in 76 countries, that afflicts more than 240 million people. The impact of schistosomiasis on infertility may be underestimated according to recent literature. Extracts of Schistosoma haematobium include estrogen-like metabolites termed catechol-estrogens that down regulate estrogen receptors alpha and beta in estrogen responsive cells. In addition, schistosome derived catechol-estrogens induce genotoxicity that result in estrogen-DNA adducts. These catechol estrogens and the catechol-estrogen-DNA adducts can be isolated from sera of people infected with S. haematobium. The aim of this study was to study infertility in females infected with S. haematobium and its …
Use Of Cholera Toxin B As A Vaccine Adjuvant Activates Antigen Presenting Cells And Stimulates Production Of Pro-Inflammatory Cytokines, Heather C. Romlein
Use Of Cholera Toxin B As A Vaccine Adjuvant Activates Antigen Presenting Cells And Stimulates Production Of Pro-Inflammatory Cytokines, Heather C. Romlein
Seton Hall University Dissertations and Theses (ETDs)
Francisella tularensis is an intracellular pathogen that has been classified as a category “A” bioterrorism agent by the Centers For Disease Control. To date, there is no approved vaccine to provide protection against this pathogen. Previous in vivo studies with mice have shown that a mucosally targeted vaccine preparation of inactivated F. tularensis (iFt) adjuvanted with Cholera toxin “B” (CTB), successfully granted full protection against a less virulent strain (FT LVS) of the bacterium and provided partial protection against a more virulent strain (SchuS4). However, the mechanisms of this protection are not fully understood. In this …
Conformationally Stabilized Hiv Envelope Immunogens, Peter Kwong, John Mascola, Gary Nabel, Richard Wyatt, Barna Dey, Ling Xu, Tongqing Zhou, Joseph Sodroski, Wen Yuan, Shi-Hua Xiang
Conformationally Stabilized Hiv Envelope Immunogens, Peter Kwong, John Mascola, Gary Nabel, Richard Wyatt, Barna Dey, Ling Xu, Tongqing Zhou, Joseph Sodroski, Wen Yuan, Shi-Hua Xiang
School of Veterinary and Biomedical Sciences: Faculty Publications
Isolated immunogens including a HIV-1 gp120 polypeptide or immunogenic fragment thereof stabilized in a CD4 bound confirmation by crosslinked cysteines, and methods of their use are disclosed. The immunogens are useful, for example, for generating an immune response to HIV-1 gp120 in a Subject.
The Mystery Of Fut2: A Population Genetics Analysis Of The Secretor Gene Using The 1000 Genomes Project, Brienna Herold
The Mystery Of Fut2: A Population Genetics Analysis Of The Secretor Gene Using The 1000 Genomes Project, Brienna Herold
Undergraduate University Honors Capstones
Because the ability to resist infectious disease has been a constant factor in the survival of humans over the past few millennia, disease resistance has played a crucial role in shaping the genes of the immune system. One of these genes, FUT2, is suggested to have evolved as an adaption reinforcing the immune system, although the specific function of its Lewis b and ABO blood group antigens in body fluids and secretions are still unclear. However, nonfunctional alleles are present in populations worldwide at frequencies higher than expected under neutral evolution. To elucidate the role of FUT2 in the immune …
Basal Nf-Κb Controls Il-7 Responsiveness Of Quiescent Naïve T Cells, Michelle L. Miller, Luqiu Chen, Ping Zhou, Xindong Liu, Monica Michelotti, Nicole Tramontini Gunn, Sarah E. Powers, Xiaoping Zhu, Cesar Evaristo, Maria-Luisa Alegre, Luciana L. Molinero
Basal Nf-Κb Controls Il-7 Responsiveness Of Quiescent Naïve T Cells, Michelle L. Miller, Luqiu Chen, Ping Zhou, Xindong Liu, Monica Michelotti, Nicole Tramontini Gunn, Sarah E. Powers, Xiaoping Zhu, Cesar Evaristo, Maria-Luisa Alegre, Luciana L. Molinero
Biology Department Faculty Articles
T cells are essential for immune defenses against pathogens, such that viability of naïve T cells before antigen encounter is critical to preserve a polyclonal repertoire and prevent immunodeficiencies. The viability of naïve T cells before antigen recognition is ensured by IL-7, which drives expression of the prosurvival factor Bcl-2. Quiescent naïve T cells have low basal activity of the transcription factor NF-κB, which was assumed to have no functional consequences. In contrast to this postulate, our data show that basal nuclear NF-κB activity plays an important role in the transcription of IL-7 receptor α-subunit (CD127), enabling responsiveness of naïve …
Investigating Antibiotic Resistance Levels Of Salmonella Internalized In Lettuce Leaves, Jason B. Thomas
Investigating Antibiotic Resistance Levels Of Salmonella Internalized In Lettuce Leaves, Jason B. Thomas
McNair Scholars Research Journal
Contamination of food crops by the human pathogen Salmonella is a food safety threat worldwide. Though using treated wastewater for irrigation is a sustainable practice, it may introduce trace levels of Salmonella that may contaminate food crops. Salmonella could develop resistance to antibiotics present in wastewater. The overall goal of the project is to increase the understanding of the public health risk associated with the use of treated wastewater to irrigate food crops. The objective of this particular study is to determine the antibiotic resistance level of Salmonella internalized in lettuce leaves. In this experiment, thirty-six plants of the lettuce …
Phthalates And Phthalate Alternatives: Effects On Proliferative And Estrogenic Target Genes In Ishikawa Cells, Ranjani Sundar '15, Ping Yin, Serdar E. Bulun
Phthalates And Phthalate Alternatives: Effects On Proliferative And Estrogenic Target Genes In Ishikawa Cells, Ranjani Sundar '15, Ping Yin, Serdar E. Bulun
Student Publications & Research
Phthalates are used as plasticizers in many of the products found in medical, household, and industrial applications. Much research has not been completed on the effects of these phthalates as potential endocrine disrupting chemicals (EDCs). As these chemicals are ingested, the mechanism by which they affect the reproductive system is largely unknown. The purpose of this study was to observe how 2 phthalates, Di-n-butyl phthalate (DBP) and Diisononyl phthalate (DINP), and 2 phthalate alternatives, Dioctyl terephthalate (DOTP) and BHT (butylated hydroxytoluene)affect uterine cells in comparison to a vehicle treatment and 17β-Estradiol treatment. Changes in expression of mRNA were observed using …
The Effect Of Small Molecule 390 On Cxcr4 Receptors, Selam B. Zenebe-Gete '14, Shruti R. Topudurti '14, Shum Andrew, Richard J. Miller
The Effect Of Small Molecule 390 On Cxcr4 Receptors, Selam B. Zenebe-Gete '14, Shruti R. Topudurti '14, Shum Andrew, Richard J. Miller
Student Publications & Research
CXCR4 is the chemokine receptor which aids in chemotaxis of stem cells, such as those in the bone marrow or the brain. SDF-1 is the natural ligand for the CXCR4 receptor. Similarities between novel molecule 390 synthesized by the Miller Lab and SDF-1 make this novel small molecule a possible agonist of the CXCR4 receptor. To determine whether 390 is an agonist to the CXCR4 receptor, we transfected cells with CXCR4 and exposed them to no agonist [vehicle control], SDF-1, or varying concentrations of our agonist drug. Next, we took calcium images using the dye fura-2, which indicates changes in …
Characterization Of A Putative Cephalotoxin From The Hemocytes Of Euprymna Scolopes, Jessie E. Scott
Characterization Of A Putative Cephalotoxin From The Hemocytes Of Euprymna Scolopes, Jessie E. Scott
University Scholar Projects
Many organisms have beneficial microbial symbionts, and complex interactions between the immune system and the bacteria must occur to allow these symbioses to persist. The host immune system must recognize and preferentially tolerate the beneficial microorganisms, while simultaneously eliminating harmful pathogens. The Hawaiian bobtail squid, Euprymna scolopes, is a model organism for host-microbe interactions because of the unique light organ symbiosis. Hemocytes, the squid’s primary immune cell, infiltrate and patrol the light organ and continuously interact with the symbiont Vibrio fischeri. Using this model, several innate immunity genes have been shown to be differentially expressed in the hemocytes …
Modeling The Adaptive Immune Response To Mutation-Generated Antigens, Rory J. Geyer
Modeling The Adaptive Immune Response To Mutation-Generated Antigens, Rory J. Geyer
University Scholar Projects
Somatic mutations may drive tumorigenesis or lead to new, immunogenic epitopes (neoantigens). The immune system is thought to represses neoplastic growths through the recognition of neoantigens presented only by tumor cells. To study mutations as well as the immune response to mutation-generated antigens, we have created a conditional knockin mouse line with a gene encoding, 5’ to 3’, yellow fluorescent protein (YFP), ovalbumin (which is processed to the immunologically recognizable peptide, SIINFEKL), and cyan fluorescent protein (CFP), or, YFP-ovalbumin-CFP. A frame shift mutation has been created at the 5’ end of the ovalbumin gene, hence YFP should always be expressed, …
Gut Helminths Of Two Species Of Light Geese In Illinois, Evan C. Boone
Gut Helminths Of Two Species Of Light Geese In Illinois, Evan C. Boone
Undergraduate Honors Theses
Parasite burdens in lesser snow geese (Chen caerulescens caerulescens) and Ross’s geese (Chen rossii) migrating through central Illinois were determined and compared to documented parasite burdens on the breeding grounds in northern Canada and the wintering grounds in southern Texas. The digestive tracts of 48 snow geese (38 lesser snow geese and 10 Ross’s geese) were collected from 4 February to 3 March, 2012, in Raymond, Illinois. Eight helminth taxa (two species of Trematoda, four species of Nematoda, and two species of Cestoda) were recovered. Five of the eight helminth taxa were common in both species …
Natural And Exogenous Genome Editing In Wiskott-Aldrich Syndrome Patient Cells, Tamara J. Laskowski
Natural And Exogenous Genome Editing In Wiskott-Aldrich Syndrome Patient Cells, Tamara J. Laskowski
Dissertations and Theses (Open Access)
Wiskott-Aldrich syndrome (WAS) is an X-linked primary immunodeficiency disease characterized by thrombocytopenia, recurrent infections and increased autoimmunity. This disease is caused by mutations in the WAS gene (WAS) which encodes for the WAS protein (WASp), exclusively expressed in hematopoietic cells and required for proper platelet production and lymphoid cell function. Approximately 11% of patients with WAS exhibit a phenomenon called Somatic Revertant Mosaicism which is characterized by the presence of lymphocytes which naturally revert back to normal phenotype by restoring WASp expression. To date, the mechanisms of this naturally-occurring gene therapy remains poorly understood, and the full extent …
Modeling The Adaptive Immune Response To Mutation-Generated Antigens, Rory J. Geyer
Modeling The Adaptive Immune Response To Mutation-Generated Antigens, Rory J. Geyer
Honors Scholar Theses
Somatic mutations may drive tumorigenesis or lead to new, immunogenic epitopes (neoantigens). The immune system is thought to represses neoplastic growths through the recognition of neoantigens presented only by tumor cells. To study mutations as well as the immune response to mutation-generated antigens, we have created a conditional knockin mouse line with a gene encoding, 5’ to 3’, yellow fluorescent protein (YFP), ovalbumin (which is processed to the immunologically recognizable peptide, SIINFEKL), and cyan fluorescent protein (CFP), or, YFP-ovalbumin-CFP. A frame shift mutation has been created at the 5’ end of the ovalbumin gene, hence YFP should always be expressed, …
Tethered Il-15 To Augment The Therapeutic Potential Of T Cells Expressing Chimeric Antigen Receptor: Maintaining Memory Potential, Persistence, And Antitumor Activity, Lenka Hurton
Dissertations and Theses (Open Access)
Tethered IL-15 to augment the therapeutic potential of T cells expressing chimeric antigen receptor: Maintaining memory potential, persistence, and antitumor activity
Adoptive immunotherapy can retarget T cells to CD19, a tumor-associated antigen (TAA) expressed on B-cell malignancies, by the expression of a chimeric antigen receptor (CAR). Infusion of CAR-modified T cells for the treatment B-cell malignancies has demonstrated promise in preclinical and clinical trials. These data highlight the ability of infused CD19-specific T cells to be synchronously activated by large burdens of CD19+ leukemia and lymphoma. This can lead to dramatic antitumor effects, but also exposes the recipient to …
Car-Modified T Cells Capable Of Distinguishing Normal Cells From Malignant Cells, Hillary G. Caruso
Car-Modified T Cells Capable Of Distinguishing Normal Cells From Malignant Cells, Hillary G. Caruso
Dissertations and Theses (Open Access)
T cells can be redirected to target tumor-associated antigen (TAA) by genetic modification to express a chimeric antigen receptor (CAR), which fuses the specificity derived from an antibody to T-cell activation domains to result in lysis of TAA-expressing cells. Due to the potential for on-target, off-tissue toxicity, CAR+ T-cell therapy is currently limited to unique or lineage-restricted TAAs. Glioblastoma, a grade IV brain malignancy, overexpresses epidermal growth factor receptor (EGFR) in 40-50% of patients. EGFR also has widespread normal tissue expression. To target EGFR on glioblastoma while reducing the potential for normal tissue toxicity, EGFR-specific CAR generated from cetuximab, …
Placental Hpv Infection In Hiv Positive And Hiv Negative Zambian Women, Chrispin Chisanga
Placental Hpv Infection In Hiv Positive And Hiv Negative Zambian Women, Chrispin Chisanga
School of Biological Sciences: Dissertations, Theses, and Student Research
Human papillomaviruses (HPVs) have been reported to infect epithelial trophoblastic cells of the placenta, induce cell death and even cause placental malfunction associated with spontaneous preterm delivery. To date, no study has been conducted to determine the role of HIV on HPV genotype distribution and pathogenesis in the placental compartment. This is despite the evidence that the human immunodeficiency virus (HIV) can decrease the cellular immune response and increase the incidence of malignant cancers in HPV patients. Therefore, in this study, we analyzed 200 genomic DNA (gDNA) samples extracted from paraffin embedded placental tissues of HIV positive and HIV negative …
Sa-4-1bbl As A Platform To Develop Adjuvant Systems For Prophylactic And Therapeutic Vaccines., Gunes Dinc 1984-
Sa-4-1bbl As A Platform To Develop Adjuvant Systems For Prophylactic And Therapeutic Vaccines., Gunes Dinc 1984-
Electronic Theses and Dissertations
Vaccines against infectious diseases are one of the most critical accomplishments in modern medicine. Despite significant progress in vaccinology, there is still a dire need for developing vaccines against various acute and chronic infections and cancer. In general, vaccines are categorized as prophylactic, given to healthy individuals to prevent disease, and therapeutic, administered to people who already have disease. As such, the nature, quality, and quantity of immune responses required for the efficacy of these two types vaccines are different. Prophylactic vaccines against infectious diseases primarily rely on the generation of neutralizing high titers of antibody for their efficacy. These …
Regulation Of Macrophage Inflammatory Signaling Pathways By Amp-Activated Protein Kinase., Yanfang Zhu
Regulation Of Macrophage Inflammatory Signaling Pathways By Amp-Activated Protein Kinase., Yanfang Zhu
Electronic Theses and Dissertations
AMP-activated protein kinase, AMPK, is a conserved serine/threonine kinase with a critical function in the regulation of metabolic pathways in eukaryotic cells. Recently, AMPK has been shown to play an additional role as a regulator of inflammatory activity in leukocytes. Treatment of macrophages with chemical AMPK activators, or forced expression of a constitutively active form of AMPK, results in polarization to an antiinflammatory phenotype. Additionally, we reported previously that stimulation of macrophages with antiinflammatory cytokines such as IL-10, IL-4 and TGF-ß results in rapid activation of AMPK, suggesting that AMPK contributes to the suppressive function of these cytokines. In the …
Suppression Of Basophil Histamine-Release And Other Ige-Dependent Responses In Childhood Schistosoma Mansoni Hookworm Co-Infection, Angela Pinot De Moira, Colin M. Fitzsimmons, Frances M. Jones, Shona Wilson, Pierre Cahen, Edridah Tukahebwa, Harriet Mpairwe, Joseph K. Mwatha, Jeffrey M. Bethony, Per S. Skov, Narcis B. Kabatereine, David W. Dunne
Suppression Of Basophil Histamine-Release And Other Ige-Dependent Responses In Childhood Schistosoma Mansoni Hookworm Co-Infection, Angela Pinot De Moira, Colin M. Fitzsimmons, Frances M. Jones, Shona Wilson, Pierre Cahen, Edridah Tukahebwa, Harriet Mpairwe, Joseph K. Mwatha, Jeffrey M. Bethony, Per S. Skov, Narcis B. Kabatereine, David W. Dunne
Microbiology, Immunology, and Tropical Medicine Faculty Publications
Background. The poor correlation between allergen-specific-IgE (asIgE) and clinical signs of allergy in helminth infected populations suggests that helminth infections could protect against allergy by uncoupling asIgE from its effector mechanisms. We investigated this hypothesis in Ugandan schoolchildren coinfected with Schistosoma mansoni and hookworm.
Methods. Skin prick test (SPT) sensitivity to house dust mite allergen (HDM) and current wheeze were assessed pre-anthelmintic treatment. Non-specific (anti-IgE), helminth-specific and HDM-allergen-specific basophil histamine release (HR), plus helminth- and HDM-specific IgE and IgG4 responses were measured pre- and post-treatment.
Results. Non-specific- and helminth-specific-HR, and associations between helminth-specific-IgE and helminth-specific-HR increased post-treatment. Hookworm infection appeared …
Analysis Of The Morbidity And Mortality Of Severe Influenza Infection In Clark County, Nevada For The 2010-2011 Influenza Season, Kindra St. Jacques, Patricia Cruz, Brian Labus
Analysis Of The Morbidity And Mortality Of Severe Influenza Infection In Clark County, Nevada For The 2010-2011 Influenza Season, Kindra St. Jacques, Patricia Cruz, Brian Labus
Nevada Journal of Public Health
Throughout the duration of any influenza season, influenza strains have the ability to evolve through mutation causing alterations in virulence. These changes may result in severe illness or death among susceptible populations; therefore, it is important to closely monitor influenza-associated hospitalizations and deaths. The University of Nevada, Las Vegas in collaboration with the Southern Nevada Health District analyzed data from the hospitalized influenza morbidity and mortality surveillance project for Clark County for the 2010-2011 influenza season. Among the study population (N= 158): the influenza strain type was found to be significantly associated with deaths (n= 25), vaccination status was not …
Genetic And Morphological Diversity Of Trisetacus Species (Eriophyoidea: Phytoptidae) Associated With Coniferous Trees In Poland: Phylogeny, Barcoding, Host And Habitat Specialization, Mariusz Lewandowski, Anna Skoracka, Wiktoria Szydło, Marcin Kozak, Tobiasz Druciarek, Don A. Griffiths
Genetic And Morphological Diversity Of Trisetacus Species (Eriophyoidea: Phytoptidae) Associated With Coniferous Trees In Poland: Phylogeny, Barcoding, Host And Habitat Specialization, Mariusz Lewandowski, Anna Skoracka, Wiktoria Szydło, Marcin Kozak, Tobiasz Druciarek, Don A. Griffiths
Harold W. Manter Laboratory of Parasitology: Library Materials
Eriophyoid species belonging to the genus Trisetacus are economically important as pests of conifers. A narrow host specialization to conifers and some unique morphological characteristics have made these mites interesting subjects for scientific inquiry. In this study, we assessed morphological and genetic variation of seven Trisetacus species originating from six coniferous hosts in Poland by morphometric analysis and molecular sequencing of the mitochondrial cytochrome oxidase subunit I gene and the nuclear D2 region of 28S rDNA. The results confirmed the monophyly of the genus Trisetacus as well as the monophyly of five of the seven species studied. Both DNA sequences …
Inactivation Of Genes For Antigenic Variation In The Relapsing Fever Spirochete Borrelia Hermsii Reduces Infectivity In Mice And Transmission By Ticks, Sandra J. Raffel, James M. Battisti, Robert J. Fischer, Tom G. Schwan
Inactivation Of Genes For Antigenic Variation In The Relapsing Fever Spirochete Borrelia Hermsii Reduces Infectivity In Mice And Transmission By Ticks, Sandra J. Raffel, James M. Battisti, Robert J. Fischer, Tom G. Schwan
Biological Sciences Faculty Publications
Borrelia hermsii, a causative agent of relapsing fever of humans in western North America, is maintained in enzootic cycles that include small mammals and the tick vector Ornithodoros hermsi. In mammals, the spirochetes repeatedly evade the host’s acquired immune response by undergoing antigenic variation of the variable major proteins (Vmps) produced on their outer surface. This mechanism prolongs spirochete circulation in blood, which increases the potential for acquisition by fast-feeding ticks and therefore perpetuation of the spirochete in nature. Antigenic variation also underlies the relapsing disease observed when humans are infected. However, most spirochetes switch off the bloodstream …
Trail-R1 Is A Negative Regulator Of Pro-Inflammatory Responses And Modulates Long-Term Sequelae Resulting From Chlamydia Trachomatis Infections In Humans, Mufadhal Al-Kuhlani, James Rothchild, Sukumar Pal, Luis M. De La Maza, Sander Ouberg, Servaas A. Morré, Deborah Dean, David M. Ojcius
Trail-R1 Is A Negative Regulator Of Pro-Inflammatory Responses And Modulates Long-Term Sequelae Resulting From Chlamydia Trachomatis Infections In Humans, Mufadhal Al-Kuhlani, James Rothchild, Sukumar Pal, Luis M. De La Maza, Sander Ouberg, Servaas A. Morré, Deborah Dean, David M. Ojcius
All Dugoni School of Dentistry Faculty Articles
The immune system eliminates Chlamydia trachomatis infection through inflammation. However, uncontrolled inflammation can enhance pathology. In mice, TNF-related apoptosis-inducing ligand receptor (TRAIL-R), known for its effects on apoptosis, also regulates inflammation. In humans, the four homologues of TRAIL-R had never been investigated for effects on inflammation. Here, we examined whether TRAIL-R regulates inflammation during chlamydial infection. We examined TRAIL-R1 single nucleotide polymorphisms (SNPs) in an Ecuadorian cohort with and without C. trachomatis infections. There was a highly significant association for the TRAIL+626 homozygous mutant GG for infection vs no infection in this population. To confirm the results observed in the …
Cd8Α Dendritic Cells Drive Establishment Of Hsv-1 Latency, Kevin R. Mott, Sariah J. Allen, Mandana Zandian, Bindu Konda, Behrooz G. Sharifi, Clinton Jones, Steven L. Wechsler, Terrence Town, Homayon Ghiasi
Cd8Α Dendritic Cells Drive Establishment Of Hsv-1 Latency, Kevin R. Mott, Sariah J. Allen, Mandana Zandian, Bindu Konda, Behrooz G. Sharifi, Clinton Jones, Steven L. Wechsler, Terrence Town, Homayon Ghiasi
School of Veterinary and Biomedical Sciences: Faculty Publications
It is generally accepted that CD8 T cells play the key role to maintain HSV-1 latency in trigeminal ganglia of ocularly infected mice. Yet, comparably little is known about the role of innate immunity in establishment of viral latency. In the current study, we investigated whether CD8α DCs impact HSV-1 latency by examining latency in the trigeminal ganglia (TG) of wildtype (WT) C57BL/6 versus CD8α‒/‒ (lack functional CD8 T cells and CD8α+ DCs), CD8β‒/‒ (have functional CD8α+ T cells and CD8α+ DCs), and β2m‒/‒ (lack functional CD8 T cells but have CD8α+ …
Overexpression Of Thioredoxin Binding Protein (Tbp-2) Increases Oxidation Sensitivity And Apoptosis In Human Lens Epithelial Cells, Yibo Yu, Kuiyi Xing, Rilwan Badamas, Charles A. Kuszynski, Hongli Wuand, Marjorie F. Lou
Overexpression Of Thioredoxin Binding Protein (Tbp-2) Increases Oxidation Sensitivity And Apoptosis In Human Lens Epithelial Cells, Yibo Yu, Kuiyi Xing, Rilwan Badamas, Charles A. Kuszynski, Hongli Wuand, Marjorie F. Lou
School of Veterinary and Biomedical Sciences: Faculty Publications
Thioredoxin (Trx) is an important redox regulator with cytosolic Trx1 and mitochondrial Trx2 isozymes. Trx has multi-physiological functions in cells and its bioavailability is negatively controlled through active site binding to a specific thioredoxin binding protein (TBP-2). This paper describes the delicate balance between TBP-2 and Trx, and the effect of overexpression of TBP-2 in the human lens epithelial cells. Cells overexpressing TBP-2 (TBP-2 OE) showed a 7- fold increase of TBP-2, and a nearly 40% suppression of Trx activity but no change in Trx expression. The TBP-2 OE cells grew slower and their population decreased to 30% by day …