Antiretroviral drug discovery targeting the HIV-1 Nef virulence factor

LA Emert-Sedlak, H Shi, CM Tice, L Chen, JJ Alvarado… - Viruses, 2022 - mdpi.com
While antiretroviral drugs have transformed the lives of HIV-infected individuals, chronic
treatment is required to prevent rebound from viral reservoir cells. People living with HIV …

[HTML][HTML] A Jurkat 76 based triple parameter reporter system to evaluate TCR functions and adoptive T cell strategies

S Rosskopf, J Leitner, W Paster, LT Morton… - Oncotarget, 2018 - ncbi.nlm.nih.gov
Adoptive T cell therapy using TCR transgenic autologous T cells has shown great potential
for the treatment of tumor patients. Thorough characterization of genetically reprogrammed T …

Rapid selection and identification of functional CD8+ T cell epitopes from large peptide-coding libraries

G Sharma, CM Rive, RA Holt - Nature Communications, 2019 - nature.com
Cytotoxic CD8+ T cells recognize and eliminate infected or malignant cells that present
peptide epitopes derived from intracellularly processed antigens on their surface. However …

Cytomegalovirus (CMV) Epitope–Specific CD4+ T Cells Are Inflated in HIV+ CMV+ Subjects

CO Abana, MA Pilkinton, S Gaudieri… - The Journal of …, 2017 - journals.aai.org
Select CMV epitopes drive life-long CD8+ T cell memory inflation, but the extent of CD4
memory inflation is poorly studied. CD4+ T cells specific for human CMV (HCMV) are …

Chimeric antigen receptor library screening using a novel NF-κB/NFAT reporter cell platform

J Rydzek, T Nerreter, H Peng, S Jutz, J Leitner… - Molecular Therapy, 2019 - cell.com
Chimeric antigen receptor (CAR)-T cell immunotherapy is under intense preclinical and
clinical investigation, and it involves a rapidly increasing portfolio of novel target antigens …

HIV subtype and Nef-mediated immune evasion function correlate with viral reservoir size in early-treated individuals

FH Omondi, S Chandrarathna, S Mujib… - Journal of …, 2019 - Am Soc Microbiol
The HIV accessory protein Nef modulates key immune evasion and pathogenic functions,
and its encoding gene region exhibits high sequence diversity. Given the recent …

Nef homodimers down-regulate SERINC5 by AP-2–mediated endocytosis to promote HIV-1 infectivity

RP Staudt, TE Smithgall - Journal of Biological Chemistry, 2020 - ASBMB
SERINC5 is a multipass intrinsic membrane protein that suppresses HIV-1 infectivity when
incorporated into budding virions. The HIV-1 Nef virulence factor prevents viral incorporation …

[HTML][HTML] Natural HIV-1 Nef polymorphisms impair SERINC5 downregulation activity

SW Jin, N Alsahafi, XT Kuang, SA Swann, M Toyoda… - Cell reports, 2019 - cell.com
HIV-1 Nef enhances virion infectivity by counteracting host restriction factor SERINC5;
however, the impact of natural Nef polymorphisms on this function is largely unknown. We …

Tight-binding hydroxypyrazole HIV-1 Nef inhibitors suppress viral replication in donor mononuclear cells and reverse Nef-mediated MHC-I downregulation

H Shi, CM Tice, L Emert-Sedlak, L Chen… - ACS infectious …, 2019 - ACS Publications
The HIV-1 Nef accessory factor is critical to the viral life cycle in vivo and promotes immune
escape of infected cells via downregulation of cell-surface MHC-I. Previously, we discovered …

Concanamycin A counteracts HIV-1 Nef to enhance immune clearance of infected primary cells by cytotoxic T lymphocytes

MM Painter, GE Zimmerman… - Proceedings of the …, 2020 - National Acad Sciences
Nef is an HIV-encoded accessory protein that enhances pathogenicity by down-regulating
major histocompatibility class I (MHC-I) expression to evade killing by cytotoxic T …