Nature Communications (Nov 2019)

An engineered human Fc domain that behaves like a pH-toggle switch for ultra-long circulation persistence

  • Chang-Han Lee,
  • Tae Hyun Kang,
  • Ophélie Godon,
  • Makiko Watanabe,
  • George Delidakis,
  • Caitlin M. Gillis,
  • Delphine Sterlin,
  • David Hardy,
  • Michel Cogné,
  • Lynn E. Macdonald,
  • Andrew J. Murphy,
  • Naxin Tu,
  • Jiwon Lee,
  • Jonathan R. McDaniel,
  • Emily Makowski,
  • Peter M. Tessier,
  • Aaron S. Meyer,
  • Pierre Bruhns,
  • George Georgiou

DOI
https://doi.org/10.1038/s41467-019-13108-2
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 11

Abstract

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Lee et al. report an engineered IgG1 Fc domain that behaves like an hFcRn binding pH toggle switch. The authors show that this new half-life extension Fc domain confers improved pharmacokinetics in new humanized knock-in mouse strains that recapitulate the key processes for antibody persistence in circulation.