Stephanie Freel

Journal article Sci Rep · July 15, 2019 A paradigm shifting study demonstrated that induction of MHC class E and II-restricted CD8+ T cells was associated with the clearance of SIV infection in rhesus macaques. Another recent study highlighted the presence of HIV-1-specific class II-restricted C ... Full text Open Access Link to item Cite

Multidisciplinary Mentoring Programs to Enhance Junior Faculty Research Grant Success.

Journal article Acad Med · October 2017 PROBLEM: Junior faculty face challenges in establishing independent research careers. Declining funding combined with a shift to multidisciplinary, collaborative science necessitates new mentorship models and enhanced institutional support. APPROACH: Two m ... Full text Link to item Cite

Transcriptional and posttranscriptional regulation of cytokine gene expression in HIV-1 antigen-specific CD8+ T cells that mediate virus inhibition.

Journal article J Virol · September 1, 2014 UNLABELLED: The ability of CD8+ T cells to effectively limit HIV-1 replication and block HIV-1 acquisition is determined by the capacity to rapidly respond to HIV-1 antigens. Understanding both the functional properties and regulation of an effective CD8+ ... Full text Link to item Cite

Initial HIV-1 antigen-specific CD8+ T cells in acute HIV-1 infection inhibit transmitted/founder virus replication.

Journal article J Virol · June 2012 CD8-mediated virus inhibition can be detected in HIV-1-positive subjects who naturally control virus replication. Characterizing the inhibitory function of CD8(+) T cells during acute HIV-1 infection (AHI) can elucidate the nature of the CD8(+) responses t ... Full text Open Access Link to item Cite

Dynamic antibody specificities and virion concentrations in circulating immune complexes in acute to chronic HIV-1 infection.

Journal article J Virol · November 2011 Understanding the interactions between human immunodeficiency virus type 1 (HIV-1) virions and antibodies (Ab) produced during acute HIV-1 infection (AHI) is critical for defining antibody antiviral capabilities. Antibodies that bind virions may prevent tr ... Full text Link to item Cite

Primary infection by a human immunodeficiency virus with atypical coreceptor tropism.

Journal article J Virol · October 2011 The great majority of human immunodeficiency virus type 1 (HIV-1) strains enter CD4+ target cells by interacting with one of two coreceptors, CCR5 or CXCR4. Here we describe a transmitted/founder (T/F) virus (ZP6248) that was profoundly impaired in its abi ... Full text Link to item Cite

An HIV-1 gp120 envelope human monoclonal antibody that recognizes a C1 conformational epitope mediates potent antibody-dependent cellular cytotoxicity (ADCC) activity and defines a common ADCC epitope in human HIV-1 serum.

Journal article J Virol · July 2011 Among nonneutralizing HIV-1 envelope antibodies (Abs), those capable of mediating antibody-dependent cellular cytotoxicity (ADCC) activity have been postulated to be important for control of HIV-1 infection. ADCC-mediating Ab must recognize HIV-1 antigens ... Full text Link to item Cite

CD8(+)T-cell-mediated control of HIV-1 and SIV infection.

Journal article Immunol Res · April 2011 A detailed understanding of the cellular response to human immunodeficiency virus (HIV-1) infection is needed to inform prevention and therapeutic strategies that aim to contain the AIDS pandemic. The cellular immune response plays a critical role in reduc ... Full text Link to item Cite

Secretion of MIP-1β and MIP-1α by CD8(+) T-lymphocytes correlates with HIV-1 inhibition independent of coreceptor usage.

Journal article Cell Immunol · 2011 CD8(+) T-lymphocytes can utilize noncytolytic mechanisms to suppress HIV-1 replication through the secretion of soluble factors. The secretion of MIP-1β, MIP-1α, IP-10, MIG, IL-1α, and interferon gamma correlated most strongly with soluble noncytolytic sup ... Full text Link to item Cite

Epigenetic regulation of CD8(+) T-lymphocyte mediated suppression of HIV-1 replication.

Journal article Virology · September 15, 2010 CD8(+) T-lymphocytes from HIV-1 infected individuals express unidentified factors that suppress viral replication by inhibiting HIV-1 gene expression. We examined the role of epigenetics in modulating the HIV-1 suppressive factors expressed by primary CD8( ... Full text Link to item Cite

Phenotypic and functional profile of HIV-inhibitory CD8 T cells elicited by natural infection and heterologous prime/boost vaccination.

Journal article J Virol · May 2010 Control of HIV-1 replication following nonsterilizing HIV-1 vaccination could be achieved by vaccine-elicited CD8(+) T-cell-mediated antiviral activity. To date, neither the functional nor the phenotypic profiles of CD8(+) T cells capable of this activity ... Full text Open Access Link to item Cite

Heterobiaryl human immunodeficiency virus entry inhibitors.

Journal article J Med Chem · July 23, 2009 Previously disclosed HIV (human immunodeficiency virus) attachment inhibitors, exemplified by BMS 806 (formally BMS378806, 1), are characterized by a substituted indole or azaindole ring linked to a benzoylpiperazine via a ketoamide or sulfonamide group. I ... Full text Link to item Cite

Design and synthesis of human immunodeficiency virus entry inhibitors: sulfonamide as an isostere for the alpha-ketoamide group.

Journal article J Med Chem · December 27, 2007 The crystal structures of many tertiary alpha-ketoamides reveal an orthogonal arrangement of the two carbonyl groups. Based on the hypothesis that the alpha-ketoamide HIV attachment inhibitor BMS 806 (formally BMS378806, 26) might bind to its gp120 target ... Full text Link to item Cite

Design of helical, oligomeric HIV-1 fusion inhibitor peptides with potent activity against enfuvirtide-resistant virus.

Journal article Proceedings of the National Academy of Sciences of the United States of America · July 2007 Enfuvirtide (ENF), the first approved fusion inhibitor (FI) for HIV, is a 36-aa peptide that acts by binding to the heptad repeat 1 (HR1) region of gp41 and preventing the interaction of the HR1 and HR2 domains, which is required for virus-cell fusion. Tre ... Full text Cite

Envelope diversity, coreceptor usage and syncytium-inducing phenotype of HIV-1 variants in saliva and blood during primary infection.

Journal article AIDS (London, England) · September 2003 OBJECTIVE: To determine whether oral fluids can serve as a model for studying HIV-1 shedding, we compared the genetic diversity, coreceptor use, and syncytium-inducing (SI) phenotype of viral variants in saliva and blood during primary HIV-1 infection. DES ... Cite

Envelope diversity, Co-receptor usage, and syncytium-inducing phenotype of HIV-1 variants in oral fluids and blood during primary infection.

Journal article JOURNAL OF DENTAL RESEARCH · June 1, 2003 Link to item Cite

Characterization of human immunodeficiency virus type 1 in saliva and blood plasma by V3-specific heteroduplex tracking assay and genotype analyses.

Journal article Journal of virology · May 2001 The gp120 V3-encoding region of human immunodeficiency virus type 1 (HIV-1) RNA derived from the saliva and blood plasma of 11 individuals was characterized by heteroduplex tracking assay and sequence analyses. R5-like viral variants were identified in bot ... Full text Cite

Hyper-excretion of human immunodeficiency virus type 1 RNA in saliva.

Journal article Journal of dental research · February 2001 Anatomical compartments (e.g., the reproductive tract) are reservoirs of human immunodeficiency virus type-1 (HIV-1) and potential sites of residual infection in patients receiving anti-retroviral therapy (ART). Viral hyper-excretion relative to blood is a ... Full text Cite

Salivary, genital and plasma viral loads and responses to combination antiretrovir therapy in primary HIV infection.

Journal article JOURNAL OF DENTAL RESEARCH · January 1, 2000 Link to item Cite

Endogenous salivary inhibitors of human immunodeficiency virus.

Journal article Archives of oral biology · June 1999 The human immunodeficiency virus type 1 (HIV-1) is rarely transmitted through salivary secretions, due in part to the presence of endogenous inhibitors. Here, the protective characteristics of the intraoral environment are summarized and inhibitory factors ... Full text Cite