Download MendeleyFunctional, Immunogenetic, and Structural Convergence in Influenza Immunity between Humans and Macaques.
Sangesland, M., Li, N., Tsybovsky, Y., Rodgers, M.D., Han, J., Rodriguez, A.J., Ferguson, J.A., Henry, A.R., Smith, S.C., Roberts-Torres, J., Gillespie, R.A., Liu, C., Merriam, J.S., Stephens, T., Williams, C., Maestle, E., Corcoran, M., Ravichandran, M., Creanga, A., Andrews, S.F., Pierson, T.C., Karlsson Hedestam, G.B., Schramm, C.A., Reed, D.S., Douek, D.C., Zhou, T., Ward, A.B., Kanekiyo, M.(2025) bioRxiv
- PubMed: 40568173
- DOI: https://doi.org/10.1101/2025.02.21.639368
- Primary Citation of Related Structures:
9CJY, 9CJZ - PubMed Abstract:
Human B cell immunity to the influenza hemagglutinin (HA) stem region, a universal influenza vaccine target, is often stereotyped and immunogenetically restricted, posing challenges for study outside humans. Here, we show that macaques vaccinated with a HA stem immunogen elicit human-like public B cell lineages targeting two major conserved sites of vulnerability, the central stem and anchor epitopes. Central stem antibodies were predominantly derived from V H 1-138, the macaque homolog of human V H 1-69, a V H -gene preferentially used in human central stem broadly neutralizing antibodies (bnAbs). Similarly, macaques produced anchor bnAbs with the human-like NWP motif. Both bnAb lineages were functionally and structurally analogous to their human counterparts, with recognition mediated largely by germline-encoded motifs. Thus the macaque immunoglobulin repertoire supports human-like public bnAb responses to influenza HA. Moreover, this underscores the utility of homologous germline-encoded immunity, suggesting that immune repertoires of macaques and humans may have been similarly shaped during evolution. Functional human-like public antibody lineages can be elicited to HA stem supersites in macaques. Macaque central stem bnAbs are predominantly derived from V H 1-138, a V H -gene homologous to human V H 1-69. The human-like CDR L3 NWP anchor epitope-targeting lineage can be elicited in macaques.Central stem and anchor bnAbs from humans and macaques engage their respective epitopes with atomic level similarity.
