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Potent AMA1-specific human monoclonal antibody against Plasmodium vivax Pre-erythrocytic and Blood Stages.

Winnicki AC, Dietrich MH, Yeoh LM, Carias LL, Roobsoong W, Drago CL, Malachin AN, Redinger KR, Feufack-Donfack LB, Baldor L, Jung NC, McLaine OS, Skomorovska-Prokvolit Y, Orban A, Opi DH, Kirtley P, Nielson K, Aleshnick M, Zanghi G, Rezakhani N, Vaughan AM, Wilder BK, Sattabongkot J, Tham WH, Popovici J, Beeson JG, Bosch J, King CL

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  • Journal Nature communications

  • Published 04 Dec 2024

  • Volume 15

  • ISSUE 1

  • Pagination 10556

  • DOI 10.1038/s41467-024-53848-4

Abstract

of 0.3 - 3.7 µg/mL). Inoculation of human liver transgenic (FRG-humHep) female mice with humAb 826827 significantly reduces liver infection in vivo. The crystal structure of rPvAMA1 bound to 826827 shows that 826827 partially occupies the highly conserved hydrophobic groove in PvAMA1 that binds its known receptor, RON2. We have isolated a potent humAb that is isolate-transcendent, blocks both pre-erythrocytic and blood stage infection, and could be a potential therapy for Pv.