AN ANTIGEN OF PLASMODIUM FALCIPARUM, ANTIBODIES TO IT, ANTIGENIC FRAGMENTS AND PHARMACEUTICAL COMPOSITIONS

A small molecular weight antigen of the asexual blood stages of Plasmodium falciparum which is characterized by: (i) having an apparent molecular weight in the range of approximately 15 kD to 19 kD; (ii) not showing significant glycosylation by galactose or glucosamine labelling, but being acylated...

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Bibliographische Detailangaben
Hauptverfasser: SAUL, ALLAN JAMES, KARA, URSULA ANNA KATE, STENZEL, DEBORAH JOAN, GEYSEN, HENDRIK MARIO, BUSHELL, GILLIAN ROBIN
Format: Patent
Sprache:eng
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Zusammenfassung:A small molecular weight antigen of the asexual blood stages of Plasmodium falciparum which is characterized by: (i) having an apparent molecular weight in the range of approximately 15 kD to 19 kD; (ii) not showing significant glycosylation by galactose or glucosamine labelling, but being acylated by myristic acid; (iii) being associated with the parasitophorous vacuole membrane and with inclusions and vesicles residing within the cytoplasm of the erythrocyte host cell; and (iv) being recognised by monoclonal antibodies against the asexual blood stages of P. falciparum which inhibit parasite growth in vitro; or an antigenic fragment thereof. A monoclonal antibody specific for this antigen, and a hybrid cell line which produces this antibody is also disclosed.