Human antibodies to the antineoplastic drug elliptinium: characterization and structure-activity relationships.
Immune-mediated hemolytic disease is a phenomenon rarely encountered with cancer chemotherapeutic agents. Elliptinium, a tetracyclic ammonium compound used in breast and kidney cancer, can induce antibodies that may result in clinical hemolysis. This study reports the characterization of the elliptinium haptenic determinant by use of two different methodologies: a hemagglutination test and a radioimmunoassay. Binding of 12 analogues or derivatives of elliptinium was also studied. Good correlation between the two methods was obtained, indicating that the determinant is most likely located on the quaternary ammonium-containing ring. Furthermore, the hydrophilicity of the drug appears to be an important factor in the antibody reaction. The mechanism of the binding of elliptinium to its antibodies is discussed.
G F
GF
Alberici
R
R
Fellous
J M
JM
Bidart
F
F
Troalen
J M
JM
Mondesir
A
A
Goodman
D H
DH
Ho
C
C
Bohuon
D000470:Alkaloids / Q000276:immunology*; D000906:Antibodies / Q000302:isolation & purification*; D000917:Antibody Formation; D000970:Antineoplastic Agents / Q000276:immunology*; D003298:Coombs Test; D003429:Cross Reactions; D003902:Detergents / Q000276:immunology; D004611:Ellipticines / Q000276:immunology*; D000939:Epitopes; D006241:Haptens / Q000276:immunology; D006386:Hemagglutination Tests; D006801:Humans; D011863:Radioimmunoassay; D013329:Structure-Activity Relationship; D013501:Surface-Active Agents / Q000276:immunology
D000470:Alkaloids; D000906:Antibodies; D000970:Antineoplastic Agents; D003902:Detergents; D004611:Ellipticines; D000939:Epitopes; D006241:Haptens; D013501:Surface-Active Agents; C027767:elliptinium