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Articles 1 - 12 of 12
Full-Text Articles in Medicine and Health Sciences
Characterization Of Adiposity And Inflammation Genetic Pleiotropy Underlying Cardiovascular Risk Factors In Hispanics., Mohammad Yaser (Anwar)
Characterization Of Adiposity And Inflammation Genetic Pleiotropy Underlying Cardiovascular Risk Factors In Hispanics., Mohammad Yaser (Anwar)
Electronic Theses and Dissertations
The observed overlap between genetic variants associated with both adiposity and inflammatory markers suggests that changes in both adiposity and inflammation could be partially mediated by common pathways. The pervasive but sparsely characterized “pleiotropic” genetic variants associated with both adiposity and inflammation have been hypothesized to provide insight into the shared biology. This study explored and characterized the genetic pleiotropy underpinning adiposity and inflammation using genetic and phenotypic observations from the Cameron County Hispanic Cohort (CCHC). A total of 3,313 samples and >9 million single nucleotide polymorphisms (SNPs) were examined in this study. Mixed model genome-wide association studies (GWAS) were …
The Role Of Rapid Diagnostic Point Of Care Igg/Igm Antibody Tests In The Diagnosis Of Sars-Cov-2 Infection, Nishita Tripathi, Daniya Sheikh, Dawn Balcom
The Role Of Rapid Diagnostic Point Of Care Igg/Igm Antibody Tests In The Diagnosis Of Sars-Cov-2 Infection, Nishita Tripathi, Daniya Sheikh, Dawn Balcom
The University of Louisville Journal of Respiratory Infections
Background: Current testing of symptomatic patients for SARS-CoV-2 involves the use of nucleic acid amplification tests, also known as genetic, RNA, or polymerase chain reaction (PCR), to detect viral RNA. The initial use of point of care (POC) antibody tests, also known as serological tests, in the management of SARS-CoV-2 infection was limited. In this review, we determine the significance of POC antibody serological tests and explore their possible role in the diagnosis and management of patients infected with the SARS-CoV-2 virus.
Methods: A literature search was conducted in Google Scholar, PubMed, and Embase, supplemented by searching the Centers for …
Tissue-Resident Myeloid-Derived Suppressor Cells Modulate Immune Homeostasis In Healthy Adipose., Katlin Brooke Stivers
Tissue-Resident Myeloid-Derived Suppressor Cells Modulate Immune Homeostasis In Healthy Adipose., Katlin Brooke Stivers
Electronic Theses and Dissertations
Our goal with this study was to gain insight into the homeostatic immune cell network in healthy adipose tissue. Specifically, we sought to determine if the immature myeloid cells found in healthy and inflamed adipose were, in fact, tissue-resident myeloid-derived suppressor cells (MDSCs). Using various in vitro and in vivo methods, we have uncovered a population of CD11bHi Ly6CHi Ly6G- MDSCs resident in healthy adipose tissue. To the best of our knowledge this is the first time that these cells have been investigated and described in healthy adipose tissue. Systemic MDSC depletion lead to the accumulation of …
Mechanisms Of Chromate-Induced Suppression Of Rad51: A One Environmental Health Approach., Rachel M. Speer
Mechanisms Of Chromate-Induced Suppression Of Rad51: A One Environmental Health Approach., Rachel M. Speer
Electronic Theses and Dissertations
Lung cancer is the leading cause of cancer death. Lung cancer is commonly associated with smoking, however, 1 in 5 women and 1 in 12 men who develop lung cancer are never-smokers. Environmental exposures, therefore, account for a significant portion of lung cancer cases. Hexavalent chromium [Cr(VI)] is a global environmental contaminant and known human lung carcinogen. Cr(VI) and other carcinogenic metals induce chromosome instability, an early event in lung cancer. Structural chromosome instability arises in part due to failed DNA repair. Particulate Cr(VI), the most potent form of Cr(VI), induces DNA double strand breaks and inhibits the high-fidelity DNA …
N-Acetyltranserase 2 (Nat2) Genotype Polymorphism In Cryopreserved Human Hepatocytes And Chinese Hamster Ovary (Cho) Cells., Mariam Refaat Zaky Habil
N-Acetyltranserase 2 (Nat2) Genotype Polymorphism In Cryopreserved Human Hepatocytes And Chinese Hamster Ovary (Cho) Cells., Mariam Refaat Zaky Habil
Electronic Theses and Dissertations
Arylamine N-acetyltransferases, NAT1 and NAT2, catalyze the detoxification and/or activation of drugs and aromatic amine carcinogens. Single nucleotide polymorphisms or SNPs result in different human NAT2 genotypes thus dividing the population into rapid, intermediate, and slow acetylators. We hypothesize allelic variants of NAT2 genotype will decrease levels of N-acetylation, cytotoxicity, oxidative stress, DNA adduct formation, and mutagenesis compared to the reference allele NAT2*4. Cryopreserved human hepatocytes expressing different NAT2 genotypes and NER-deficient Chinese hamster ovary (CHO) cells transfected with human CYP1A2 and human NAT2*4, NAT2*5B or NAT2*7B have been used to investigate N-acetylation of different xenobiotics. In …
Soluble Epoxide Hydrolase Inhibition: A Novel Therapeutic Strategy In Alcoholic Liver Disease., Jeffrey Barr Warner
Soluble Epoxide Hydrolase Inhibition: A Novel Therapeutic Strategy In Alcoholic Liver Disease., Jeffrey Barr Warner
Electronic Theses and Dissertations
Emerging evidence suggests that soluble epoxide hydrolase (sEH) inhibition is a valuable therapeutic strategy for the treatment of numerous diseases. sEH rapidly degrades cytochrome P450-produced epoxygenated lipids (epoxy-fatty acids, epFAs), which generally exert beneficial effects on several cellular processes. sEH hydrolysis of epoxy-fatty acids produces dihydroxy-fatty acids which are typically less biologically active than their parent epoxide. sEH inhibition has shown efficacy in treating numerous pathologies associated with non-alcoholic liver disease, yet no efforts to date have tested the efficacy of sEH inhibition in alcoholic liver disease (ALD). Herein, we measured the levels of sEH expression and epFAs in human …
Tumor-Derived Exosomes Drive Immunosuppressive Macrophages In A Pre-Metastatic Niche Through Nf-Kβ Dependent Glycolytic Metabolic Reprogramming., Samantha M. Morrissey
Tumor-Derived Exosomes Drive Immunosuppressive Macrophages In A Pre-Metastatic Niche Through Nf-Kβ Dependent Glycolytic Metabolic Reprogramming., Samantha M. Morrissey
Electronic Theses and Dissertations
The formation of a pre-metastatic niche is a fundamental requirement for primary tumor metastasis. One of the defining characteristics of a pre-metastatic niche is infiltration of immunosuppressive macrophages. However, how these macrophages acquire their immunosuppressive phenotype remains largely unexplored. Here, we demonstrate that tumor-derived exosomes (TDE) polarize macrophages towards an immunosuppressive phenotype characterized by increased PD-L1 expression through NF-kB-dependent metabolic reprogramming in mice and humans. While NF-κB has previously been shown to act as a direct transcription factor for PD-L1, we report a novel mechanism where TDE-induced NF-κB activation drives PD-L1 expression by augmenting the glycolytic capacity of macrophages through …
Plasmodium Impairs Antibacterial Innate Immunity To Systemic Infections In Part Through Hemozoin-Bound Bioactive Molecules., Christopher Lynn Harding
Plasmodium Impairs Antibacterial Innate Immunity To Systemic Infections In Part Through Hemozoin-Bound Bioactive Molecules., Christopher Lynn Harding
Electronic Theses and Dissertations
Despite efforts to decrease the global health burden of malaria, infections with Plasmodium species continue to cause over 200 million episodes of malaria each year which resulted in 405,000 deaths in 2018 [1]. One complication of malaria is increased susceptibility to invasive bacterial infections. Plasmodium infections impair host immunity to non-Typhoid Salmonella (NTS) through activities of heme oxygenase I (HO-I) )-induced release of immature granulocytes and myeloid cell-derived IL-10. Yet, it is not known if these mechanisms are specific to NTS. We show here, that Plasmodium yoelii 17XNL (Py) infected mice had impaired clearance of systemic Listeria monocytogenes (Lm) during …
Transient Display Of Chimeric Proteins On Biological Surfaces As An Effective Strategy For Modulations Of Innate And Adaptive Immune Responses., Pradeep Shrestha
Transient Display Of Chimeric Proteins On Biological Surfaces As An Effective Strategy For Modulations Of Innate And Adaptive Immune Responses., Pradeep Shrestha
Electronic Theses and Dissertations
The major premise of this dissertation was to transiently display novel immunological ligands on biological membranes as a localized means of modulating innate and adaptive immune responses with applications to bone marrow and pancreatic islet transplantation. In Chapter two, we engineered donor allogeneic bone marrow cells to transiently display a novel form of FasL, SA-FasL, to efficiently purge out alloreactive donor T cells to prevent acute GVHD. In Chapter three, we engineered pancreatic islets with a novel form of CD47, SA-CD47, to modulate instant blood mediated inflammatory reaction (IBMIR) to prevent immediate islet graft loss following intraportal transplantation. GVHD is …
How Immune T-Cell Augmentation Can Help Prevent Covid-19: A Possible Nutritional Solution Using Ketogenic Lifestyle, Ravi K. Kamepalli Md,Fidsa,Cwsp
How Immune T-Cell Augmentation Can Help Prevent Covid-19: A Possible Nutritional Solution Using Ketogenic Lifestyle, Ravi K. Kamepalli Md,Fidsa,Cwsp
The University of Louisville Journal of Respiratory Infections
No abstract provided.
Seen In Science: Lgbtq+ Inclusivity In Anatomy & Physiology Texts, Harshini Sirvisetty, Kat Ray King, Linda Catherine Fuselier
Seen In Science: Lgbtq+ Inclusivity In Anatomy & Physiology Texts, Harshini Sirvisetty, Kat Ray King, Linda Catherine Fuselier
Undergraduate Arts and Research Showcase
Biology is unique from other science disciplines in that concepts taught in core classes can inform our student’s understanding of sex and gender. A biology major encounters lessons on sex determination, sexual reproduction, and sex characteristics in their courses. The language used in these units matters. It is imperative that educators consider how the language, examples, and content that we use in classrooms drive (or not) inclusivity for gender- and sexuality-diverse (GSD) (aka LGBTQ+) individuals. We chose to analyze four college-level human anatomy/physiology (AP) textbooks for GSD population inclusivity. We adopted a queer theory framework to critically examine how sex, …
Words Have A Weight: Language As A Source Of Inner Grounding And Flexibility In Abstract Concepts, Guy Dove, Laura Barca, Luca Tummolini, Anna M. Borghi
Words Have A Weight: Language As A Source Of Inner Grounding And Flexibility In Abstract Concepts, Guy Dove, Laura Barca, Luca Tummolini, Anna M. Borghi
Faculty Scholarship
The role played by language in our cognitive lives is a topic at the centre of contemporary debates in cognitive (neuro)science. In this paper we illustrate and compare two theories that offer embodied explanations of this role: the WAT (Words As social Tools) and the LENS (Language is an Embodied Neuroenhancement and Scaffold) theories. WAT and LENS differ from other current proposals because they connect the impact of the neurologically realized language system on our cognition to the ways in which language shapes our interaction with the physical and social environment. Examining these theories together, their tenets and supporting evidence, …