Research Overview

The Overbaugh lab studies the viral and immune determinants of infectious diseases, with a focus on HIV and SARS-CoV-2 infections.  We leverage natural history studies to focus our work on studying these determinants in  settings most relevant to human disease.

HIV Nab discovery and analysis
 

HIV infected infant diagram

Simonich et al. Cell Reports Medicine 2021

Diagram characterizing broadly neutralizing antibody responses

Simonich et al. Cell 2016

epitope profiling

Dingens et al., Cell Host and Microbe, 2017
Dingens et al., Immunity, 2019


ADCC functionality of protective MTCT antibodies

diagram of breastfeeding hiv exposure

Yaffe and Naiman et al., Cell Reports Medicine 2021


Mutations contributing to Nab and ADCC function

  • How do protective Abs evolve?
  • What are the pathways of HIV and SARS-CoV-2 viral escape from protective Abs?
mutations contributing to nab and adcc function

Simonich and Doepker et al., Nature Communications 2019


Approach to comprehensively mapping antibody responses to SARS-CoV-2 and HIV

Approach to comprehensively mapping antibody responses to SARS-CoV-2 and HIV

Garrett et al., iScience 2020
Garrett et al., Cell 2021
Stoddard et al., Cell Reports 2021,


Innate immunity: Which IFN-induced genes are antiviral?

  • Inhibiting replication of transmitted HIV in primary human T cells
  • Zika virus inhibition
  • Coronavirus inhibition
IFNs are potent inhibitors of viral replication
CRISPR Screens
CRISPR screens

Gobillot et al. unpublished