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Full-Text Articles in Medicine and Health Sciences

Characterization Of The Role Of Transcriptional Regulator Of Arac/Xyls Family In Tularemia Pathogenesis, Dina Marghani Aug 2019

Characterization Of The Role Of Transcriptional Regulator Of Arac/Xyls Family In Tularemia Pathogenesis, Dina Marghani

NYMC Student Theses and Dissertations

The Tier 1 Select Agent, Francisella tularensis causes an acute and fatal disease known as tularemia. Many studies have devoted enormous efforts to understand how F. tularensis avoids host defense mechanisms, replicates within an extremely secure immune system, and eventually causes the deadly disease tularemia. The extremely high virulence of Francisella depends on its ability to manipulate gene expression according to the surrounding environment. This process requires the involvement of unique transcriptional regulators. Francisella possesses very few transcriptional regulators, and a majority of them characterized to-date have been shown to regulate genes involved in virulence and cellular functions. The role …


A Role Of Ubiquitin Regulatory X-Domain Containing Proteins (Ubxn6) In Antiviral Immunity, Harshada Ketkar, Harshada Ketkar Aug 2019

A Role Of Ubiquitin Regulatory X-Domain Containing Proteins (Ubxn6) In Antiviral Immunity, Harshada Ketkar, Harshada Ketkar

NYMC Student Theses and Dissertations

The roles of UBXNs in the regulation of antiviral immune responses have not been much explored. Previous work in our lab identified UBXN1 as a negative regulator of the retinoic acid-inducible gene-I (RIG-I) like receptors (RLR) pathway and UBXN3B as a positive regulator of stimulator-of-interferon Genes (STING) -mediated immune responses. In this study, I aimed to determine the member of UBXNs as a positive regulator of ribonucleic acid (RNA) virus infection-induced innate immune responses. By using an interferon stimulated response element (ISRE)-driven luciferase reporter assay that monitors the activity of type I/III interferon (IFN)-induced janus kinase (JAK) - signal transducer …


Stalking Flu: Development And Characterization Of A Broadly Neutralizing Monoclonal Antibody Targeting The Influenza Hemagglutinin Stem, Elizabeth Newman May 2019

Stalking Flu: Development And Characterization Of A Broadly Neutralizing Monoclonal Antibody Targeting The Influenza Hemagglutinin Stem, Elizabeth Newman

NYMC Student Theses and Dissertations

Seasonal epidemics caused by influenza A viruses (IAV) result in an estimated 290,000- 650,000 deaths worldwide each year (17). While antivirals targeted to influenza exist, resistance to these drugs is increasing and regular vaccination remains the most effective way to prevent infection (26, 73, 99). However due to the persistence of antigenic drift and shift, influenza vaccines must be updated each season and antigenic mismatches can reduce efficacy (24, 118). Immunity to influenza either from vaccination or infection is principally mediated by antibodies generated to one of its major surface proteins, Hemagglutinin (HA). HA is a homotrimer, each monomer HA0 …