A conformational epitope in placental malaria vaccine antigen VAR2CSA: What does it teach us?

JYA Doritchamou, JP Renn, L Hviid, PE Duffy - PLoS Pathogens, 2023 - journals.plos.org
VAR2CSA is the Plasmodium falciparum variant surface antigen that mediates binding of
infected erythrocytes to chondroitin sulfate A (CSA) and their sequestration in intervillous …

Cryo-electron microscopy of IgM-VAR2CSA complex reveals IgM inhibits binding of Plasmodium falciparum to Chondroitin Sulfate A

RR Akhouri, S Goel, U Skoglund - Nature Communications, 2023 - nature.com
Placental malaria is caused by Plasmodium falciparum-infected erythrocytes (IEs) adhering
to chondroitin sulfate proteoglycans in placenta via VAR2CSA-type PfEMP1. Human …

Establishment and validation of a plasma oncofetal chondroitin sulfated proteoglycan for pan-cancer detection

PF Zhang, ZY Wu, WB Zhang, YQ He, K Chen… - Nature …, 2023 - nature.com
Various biomarkers targeting cell-free DNA (cfDNA) and circulating proteins have been
tested for pan-cancer detection. Oncofetal chondroitin sulfate (ofCS), which distinctively …

Structure-guided design of VAR2CSA-based immunogens and a cocktail strategy for a placental malaria vaccine

R Ma, ND Salinas, S Orr-Gonzalez… - PLoS …, 2024 - journals.plos.org
Placental accumulation of Plasmodium falciparum infected erythrocytes results in maternal
anemia, low birth weight, and pregnancy loss. The parasite protein VAR2CSA facilitates the …

A single full-length VAR2CSA ectodomain variant purifies broadly neutralizing antibodies against placental malaria isolates

JYA Doritchamou, JP Renn, B Jenkins, A Mahamar… - Elife, 2022 - elifesciences.org
Placental malaria (PM) is a deadly syndrome most frequent and severe in first pregnancies.
PM results from accumulation of Plasmodium falciparum-infected erythrocytes (IE) that …

Malaria and HIV co-infection among pregnant women in Africa: prevalence, effect on immunity and clinical management

BN Obase, JD Bigoga, DS Nsagha - International Journal of Translational …, 2023 - mdpi.com
Malaria and HIV are geographically in the tropics and subtropics of the world, including sub-
Saharan Africa. Understanding the overlapping effect of both infections, especially among …

Cryo-EM reveals the conformational epitope of human monoclonal antibody PAM1. 4 broadly reacting with polymorphic malarial protein VAR2CSA

SSR Raghavan, R Dagil, M Lopez-Perez… - PLoS …, 2022 - journals.plos.org
Malaria during pregnancy is a major global health problem caused by infection with
Plasmodium falciparum parasites. Severe effects arise from the accumulation of infected …

Post-Translational Modifications of Proteins of Malaria Parasites during the Life Cycle

E Schwarzer, O Skorokhod - International Journal of Molecular Sciences, 2024 - mdpi.com
Post-translational modifications (PTMs) are essential for regulating protein functions,
influencing various fundamental processes in eukaryotes. These include, but are not limited …

Analysis of allelic cross-reactivity of monoclonal IgG antibodies by a multiplexed reverse FluoroSpot assay

H Hoffmann-Veltung, NG Anabire, MF Ofori… - Elife, 2022 - elifesciences.org
The issue of antibody cross-reactivity is of central importance in immunology, and not least
in protective immunity to Plasmodium falciparum malaria, where key antigens show …

Polymorphic Molecular Signatures in Variable Regions of the Plasmodium falciparum var2csa DBL3x Domain Are Associated with Virulence in Placental Malaria

E Talundzic, S Scott, SO Owino, DS Campo, NW Lucchi… - Pathogens, 2022 - mdpi.com
The Plasmodium falciparum protein VAR2CSA allows infected erythrocytes to accumulate
within the placenta, inducing pathology and poor birth outcomes. Multiple exposures to …