A reverse vaccinology approach on transmembrane carbonic anhydrases from Plasmodium species as vaccine candidates for malaria prevention

Reza Zolfaghari Emameh, Harlan R. Barker, Hannu Turpeinen, Seppo Parkkila, Vesa P. Hytönen

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Abstract

Background: Malaria is a significant parasitic infection, and human infection is mediated by mosquito (Anopheles) biting and subsequent transmission of protozoa (Plasmodium) to the blood. Carbonic anhydrases (CAs) are known to be highly expressed in the midgut and ectoperitrophic space of Anopheles gambiae. Transmembrane CAs (tmCAs) in Plasmodium may be potential vaccine candidates for the control and prevention of malaria. Methods: In this study, two groups of transmembrane CAs, including α-CAs and one group of η-CAs were analysed by immunoinformatics and computational biology methods, such as predictions on transmembrane localization of CAs from Plasmodium spp., affinity and stability of different HLA classes, antigenicity of tmCA peptides, epitope and proteasomal cleavage of Plasmodium tmCAs, accessibility of Plasmodium tmCAs MHC-ligands, allergenicity of Plasmodium tmCAs, disulfide-bond of Plasmodium tmCAs, B cell epitopes of Plasmodium tmCAs, and Cell type-specific expression of Plasmodium CAs. Results: Two groups of α-CAs and one group of η-CAs in Plasmodium spp. were identified to contain tmCA sequences, having high affinity towards MHCs, high stability, and strong antigenicity. All putative tmCAs were predicted to contain sequences for proteasomal cleavage in antigen presenting cells (APCs). Conclusions: The predicted results revealed that tmCAs from Plasmodium spp. can be potential targets for vaccination against malaria.

Original languageEnglish
Article number189
Number of pages13
JournalMalaria Journal
Volume21
DOIs
Publication statusPublished - Jun 2022
Publication typeA1 Journal article-refereed

Keywords

  • Carbonic anhydrase
  • Immunoinformatics
  • Malaria
  • Plasmodium spp
  • Reverse vaccinology
  • Vaccine

Publication forum classification

  • Publication forum level 1

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases

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