2018
DOI: 10.1038/s41565-018-0271-3
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A malaria vaccine adjuvant based on recombinant antigen binding to liposomes

Abstract: Pfs25 is a malaria transmission-blocking vaccine antigen candidate, but its apparently limited immunogenicity in humans has hindered clinical development. Here, we show that recombinant, his-tagged Pfs25 can be mixed at the time of immunization with pre-formed liposomes containing cobalt-porphyrin-phospholipid (CoPoP), resulting in spontaneous nanoliposome antigen particleization (SNAP). Antigens are stably presented in uniformly-oriented display via his-tag insertion in the CoPoP bilayer, without covalent mod… Show more

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Cited by 116 publications
(133 citation statements)
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“…The same group used liposomes modified with a fragment of tetanus toxoid as an antigen and PEGylated peptide adjuvants to target the Fc receptor of dendritic cells as a cancer vaccine . Recently, Lovell and co‐workers appended a recombinant polyhistidine‐tagged version of a malaria transmission‐blocking antigen (Pfs25) to the surfaces of liposomes, which induced a potent humoral immune response mediated by dendritic cell cross‐presentation …”
Section: Nanoscale Materials For Immunotherapymentioning
confidence: 99%
“…The same group used liposomes modified with a fragment of tetanus toxoid as an antigen and PEGylated peptide adjuvants to target the Fc receptor of dendritic cells as a cancer vaccine . Recently, Lovell and co‐workers appended a recombinant polyhistidine‐tagged version of a malaria transmission‐blocking antigen (Pfs25) to the surfaces of liposomes, which induced a potent humoral immune response mediated by dendritic cell cross‐presentation …”
Section: Nanoscale Materials For Immunotherapymentioning
confidence: 99%
“…In one example, Hong et al constructed [41] Copyright 2015, American Chemical Society. [51] Copyright 2018, Springer Nature. Reproduced with permission.…”
Section: B Cells Act As Apcs To Activate Cellular Response Against VImentioning
confidence: 99%
“…[51] These NPs readily incorporate multiple antigens, which is particularly relevant for addressing the multiple stages of malaria. [51] These NPs readily incorporate multiple antigens, which is particularly relevant for addressing the multiple stages of malaria.…”
Section: Malaria Vaccine Enhanced By Co-delivery Of Antigens and Innamentioning
confidence: 99%
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“…The previous examples discussed the importance of antigen density in the context of autoimmune disease, but this feature is also important in mounting immune responses against infectious diseases. As one illustration, recent studies have exploited liposomes to control how malaria antigens are presented . These liposomes are designed to load antigens into the membrane stably by coordinating interactions with metal ions located in the particles.…”
Section: Biomaterials Provide Control Over the Molecular Properties Omentioning
confidence: 99%