eLife (Oct 2020)

Escape from neutralizing antibodies by SARS-CoV-2 spike protein variants

  • Yiska Weisblum,
  • Fabian Schmidt,
  • Fengwen Zhang,
  • Justin DaSilva,
  • Daniel Poston,
  • Julio CC Lorenzi,
  • Frauke Muecksch,
  • Magdalena Rutkowska,
  • Hans-Heinrich Hoffmann,
  • Eleftherios Michailidis,
  • Christian Gaebler,
  • Marianna Agudelo,
  • Alice Cho,
  • Zijun Wang,
  • Anna Gazumyan,
  • Melissa Cipolla,
  • Larry Luchsinger,
  • Christopher D Hillyer,
  • Marina Caskey,
  • Davide F Robbiani,
  • Charles M Rice,
  • Michel C Nussenzweig,
  • Theodora Hatziioannou,
  • Paul D Bieniasz

DOI
https://doi.org/10.7554/eLife.61312
Journal volume & issue
Vol. 9

Abstract

Read online

Neutralizing antibodies elicited by prior infection or vaccination are likely to be key for future protection of individuals and populations against SARS-CoV-2. Moreover, passively administered antibodies are among the most promising therapeutic and prophylactic anti-SARS-CoV-2 agents. However, the degree to which SARS-CoV-2 will adapt to evade neutralizing antibodies is unclear. Using a recombinant chimeric VSV/SARS-CoV-2 reporter virus, we show that functional SARS-CoV-2 S protein variants with mutations in the receptor-binding domain (RBD) and N-terminal domain that confer resistance to monoclonal antibodies or convalescent plasma can be readily selected. Notably, SARS-CoV-2 S variants that resist commonly elicited neutralizing antibodies are now present at low frequencies in circulating SARS-CoV-2 populations. Finally, the emergence of antibody-resistant SARS-CoV-2 variants that might limit the therapeutic usefulness of monoclonal antibodies can be mitigated by the use of antibody combinations that target distinct neutralizing epitopes.

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