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Articles 1 - 4 of 4
Full-Text Articles in Virology
Crispr Technology As An Antiviral In Dsdna And Ssrna Viruses, Cathryn Mayes
Crispr Technology As An Antiviral In Dsdna And Ssrna Viruses, Cathryn Mayes
Theses & Dissertations
The COVID-19 pandemic highlights the necessity of emergency response and pandemic preparedness, especially for emerging viral threats. Currently, virus-specific vaccines and antivirals are the primary tools to combat viral diseases; however, broad-spectrum antivirals that target more than one virus species could provide additional protection from emerging and re-emerging viral diseases (Andersen et al. 2020; Zhu et al. 2015; Hickman et al. 2022).
Clustered regulatory interspaced short palindromic repeat (CRISPR)-associated endonucleases have become recently utilized as potential antiviral strategies due to their high specificity, efficacy, and versatility (Najafi et al. 2022). While CRISPR-based antivirals have previously been used to target specific …
Gut Commensals Modulate Siv/Shiv Pathogenesis And Therapeutics, Samuel Johnson
Gut Commensals Modulate Siv/Shiv Pathogenesis And Therapeutics, Samuel Johnson
Theses & Dissertations
Despite significant advancements in combination antiretroviral therapy (cART), ongoing inflammation in the brain and gut remain two of the most significant hurdles in the health of people living with human immunodeficiency virus (HIV). Additionally, a viral reservoir in each compartment inhibits cure efforts by allowing rapid viral rebound following cART interruption. Emerging understanding of the gut-brain axis (GBA) implicates each compartment in the modulation of the other in a complex bi-directional interaction mediated by vagus innervation, circulating lymphocytes, and microbiome composition and biproducts. Using multiple models of the simian (and simian-human) immunodeficiency virus (SIV/SHIV) and therapeutic intervention, I present how …
Multistrain Hiv-1 Elimination: A Crispr-Cas9 And Theranostics-Based Approach, Jonathan Herskovitz
Multistrain Hiv-1 Elimination: A Crispr-Cas9 And Theranostics-Based Approach, Jonathan Herskovitz
Theses & Dissertations
A critical barrier to achieving a functional cure for infection by human immunodeficiency virus type one (HIV-1) rests in the presence of latent proviral DNA integrated in the nuclei of host CD4+ T cells and mononuclear phagocytes. Accordingly, HIV-1-infected patients must adhere to lifelong regimens of antiretroviral therapy (ART) to prevent viral rebound, CD4+ T cell decline, and progression to acquired immunodeficiency syndrome (AIDS). Gene editing using clustered regularly interspersed short palindromic repeat (CRISPR)-Cas9 technology stands as one means to inactivate integrated proviral DNA. We devised a mosaic gRNA CRISPR-Cas9 system- TatDE- that targets viral transcriptional regulator genes tat / …
Development Of A Long-Acting Nanoformulation Of Dolutegravir For Prevention And Treatment Of Hiv-1 Infection, Brady Sillman
Development Of A Long-Acting Nanoformulation Of Dolutegravir For Prevention And Treatment Of Hiv-1 Infection, Brady Sillman
Theses & Dissertations
Dolutegravir (DTG) is a potent human immunodeficiency virus type 1 (HIV-1) integrase strand-transfer inhibitor (INSTI) with a high barrier to viral drug resistance. However, opportunities to improve its profile abound. These include extending the drug’s apparent half-life, increasing penetrance to “putative” viral reservoirs, and reducing inherent toxicities. These highlight, in part, the need for long-acting, slow effective release antiretroviral therapy (LASER ART) delivery schemes. A long-acting (LA) DTG was made by synthesizing a hydrophobic and lipophilic prodrug encased with poloxamer (P407) surfactant. This modified DTG (MDTG) reduced systemic metabolism and polarity, increased lipophilicity and membrane permeability, improved encapsulation, and formed …