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Theses/Dissertations

AIDS

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Changes In Rna Expression Of Hut78 Cells Resulting From The Hiv-1 Viral Protein R R77q Mutation, Joshua S. Ramsey Oct 2023

Changes In Rna Expression Of Hut78 Cells Resulting From The Hiv-1 Viral Protein R R77q Mutation, Joshua S. Ramsey

Theses and Dissertations

Human immunodeficiency virus type 1 (HIV-1) is the causative virus for acquired immunodeficiency syndrome (AIDS). AIDS is characterized by chronic inflammation and reduction of CD4+ T-cells in the blood. This leads to the patient becoming immunocompromised and much more susceptible to disease in general. Different phenotypes in the progression of AIDS have been observed in patients in either progressing to AIDS faster as a Rapid Progressor (RP), or slower as a Long-Term Non-Progressor (LTNP). Researching elements that result in the LTNP phenotype is of interest as it has the potential to offer alternative treatments and therapies to those suffering from …


Analysis Of The Cytopathogenic Effect Of Different Hiv-1 Vpr Isoforms On Primary Human Cd4+ T Cells And A Model Cell Line, Jonatan Josue Fierro Nieves Sep 2022

Analysis Of The Cytopathogenic Effect Of Different Hiv-1 Vpr Isoforms On Primary Human Cd4+ T Cells And A Model Cell Line, Jonatan Josue Fierro Nieves

Theses and Dissertations

Human Immunodeficiency Virus (HIV) is the causal agent of acquired immunodeficiency syndrome (AIDS), a disease characterized by the depletion of CD4+ T cells which impairs immune response. Analysis of HIV-1 infected patients has identified two distinctive phenotypes that differ in length of time towards the development of AIDS, Rapid Progressor (RP) and Long-Term Non-Progressor (LTNP) patients. The cause of the differences between these two groups is a process that is still under investigation. Hints about a possible cause have been attributed to the discovery of mutations in the viral protein R (Vpr) that have been associated with these phenotypes: mutations …


The Effects Of Polymorphisms Of Viral Protein R Of Hiv-1 On The Induction Of Apoptosis In Primary Cells And The Characterization Of Twelve Novel Bacillus Anthracis Bacteriophage, Jacob D. Fairholm Aug 2022

The Effects Of Polymorphisms Of Viral Protein R Of Hiv-1 On The Induction Of Apoptosis In Primary Cells And The Characterization Of Twelve Novel Bacillus Anthracis Bacteriophage, Jacob D. Fairholm

Theses and Dissertations

Viral protein r (Vpr) of Human immunodeficiency virus type 1 (HIV-1) plays an important role in the ability of the virus to infect cells and cause disease. Two polymorphisms to Vpr have been shown to result in differences in disease progression in infected individuals. R36W tends to result in rapid disease progression while R77Q results in long-term non-progression. In order to better understand how these polymorphisms result in these different disease phenotypes, our lab has recently shown that in cell culture, the R36W polymorphism results in increased viral replication and greater induction of cell death. On the other hand, infection …


Human Herpesvirus 6a Infection And Immunopathogenesis In Humanized Rag2-/-Γc-/- Mice And Relevance To Hiv/Aids And Autoimmunity, Anne Tanner Jun 2016

Human Herpesvirus 6a Infection And Immunopathogenesis In Humanized Rag2-/-Γc-/- Mice And Relevance To Hiv/Aids And Autoimmunity, Anne Tanner

Theses and Dissertations

Human herpesvirus 6A (HHV-6A) has yet to be definitively linked to a specific disease. This is due in part to the ubiquitous nature of the virus. Humanized Rag2-/-γc-/- (Rag-hu) mice were tested to determine if these were a suitable animal model to study the virus. Both cell-free and cell-associated virus was used for infection and both were found to be efficient at infecting the mice. Viral DNA was found in the plasma and cellular blood fractions, bone marrow, lymph node, and thymus, indicating successful infection and propagation of the virus in vivo. The CD3+CD4- population was depleted, while the …