RTS,S/AS02A Malaria Vaccine-Induced IgG Responses Equally Recognize Native-Like Fucosylated and Nonfucosylated Plasmodium falciparum Circumsporozoite Proteins

Research output: Contribution to journalJournal articleResearchpeer-review

  • Chenjerai Jairoce
  • Dídac Macià
  • Jorge P. Torres-Yaguana
  • Leonie Mayer
  • Marta Vidal
  • Rebeca Santano
  • Ramón Hurtado-Guerrero
  • Karine Reiter
  • David L. Narum
  • Borja Lopez-Gutierrez
  • Timothy Hamerly
  • Jahit Sacarlal
  • Ruth Aguilar
  • Rhoel R. Dinglasan
  • Gemma Moncunill
  • Luis Izquierdo
  • Carlota Dobaño

The RTS,S/AS02A malaria vaccine is based on the Plasmodium falciparum circumsporozoite protein (PfCSP), which is O-fucosylated on the sporozoite surface. We determined whether RTS,S/AS02A-induced immunoglobulin G (IgG) antibodies recognize vaccine-like nonfucosylated PfCSP better than native-like fucosylated PfCSP. Similar to previous vaccine trials, RTS,S/ AS02A vaccination induced high anti-PfCSP IgG levels associated with malaria protection. IgG recognition of nonfucosylated and fucosylated PfCSP was equivalent, suggesting that PfCSP fucosylation does not affect antibody recognition.

Original languageEnglish
JournalJournal of Infectious Diseases
Volume229
Issue number3
Pages (from-to)795-799
Number of pages5
ISSN0022-1899
DOIs
Publication statusPublished - 2024

Bibliographical note

Publisher Copyright:
© The Author(s) 2023. Published by Oxford University Press on behalf of Infectious Diseases Society of America.

    Research areas

  • antibodies, circumsporozoite protein (PfCSP), fucosylation, immunogenicity, malaria, Plasmodium falciparum, RTS,S

ID: 386604182