Nature Communications (Aug 2019)

Repeated semen exposure decreases cervicovaginal SIVmac251 infection in rhesus macaques

  • Shaheed A. Abdulhaqq,
  • Melween Martinez,
  • Guobin Kang,
  • Idia V. Rodriguez,
  • Stephanie M. Nichols,
  • David Beaumont,
  • Jocelin Joseph,
  • Livio Azzoni,
  • Xiangfan Yin,
  • Megan Wise,
  • David Weiner,
  • Qin Liu,
  • Andrea Foulkes,
  • Jan Münch,
  • Frank Kirchhoff,
  • Christos Coutifaris,
  • Georgia D. Tomaras,
  • Carlos Sariol,
  • Preston A. Marx,
  • Qingsheng Li,
  • Edmundo N. Kraiselburd,
  • Luis J. Montaner

DOI
https://doi.org/10.1038/s41467-019-11814-5
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 10

Abstract

Read online

High frequency semen exposure has been associated with activation of anti-HIV mechanisms in HIV negative sex workers. Here, Abdulhaqq et al. show that repeated vaginal exposure to semen reduces vaginal infection by SIV in non-human primates, and is associated with lower CCR5 expression in CD4 T-cells and a local type-I interferon response.