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The antibody response to well-defined malaria antigens after acute malaria in individuals living under continuous malaria transmission

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The IgG and IgM antibody responses to the C-terminal 783 amino acids of the P. falciparum glutamate-rich protein, GLURP489-1271, expressed as an E. coli fusion protein, the IgG response to a 18-mer synthetic peptide EDKNEKGQHEIVEVEEIL (GLURP899-916) representing the C-terminal repeats of GLURP, and a synthetic peptide (EENV)6 representing the C-terminal repeats from Pf155/RESA, were investigated longitudinally in 13 children and 7 adults living under conditions of continuous, intense malaria transmission. Some subjects did not recognize the antigens after malaria infection, and in subjects recognizing the antigens, the responses were often short-lived. In adults, the antibody responses to the GLURP489-1271 fusion protein and the (EENV)6 peptide peaked after 2 weeks, and not all individuals responded to all antigens. The antibody response, even against large fragments of conserved antigens, is not uniformly elicited by natural malaria infection in previously primed donors.
OriginalsprogEngelsk
TidsskriftActa Tropica
Vol/bind51
Udgave nummer2
Sider (fra-til)135-42
Antal sider8
ISSN0001-706X
StatusUdgivet - jun. 1992

ID: 47557048