Premium
Binding of interleukin 2 to gangliosides
Author(s) -
Parker Judy,
Caldini Gabriella,
Krishnamurti Chitra,
Ahrens Patricia B.,
Ankel Helmut
Publication year - 1984
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(84)81351-4
Subject(s) - ganglioside , agarose , biochemistry , ceramide , chemistry , carbohydrate , sepharose , elution , chromatography , enzyme , apoptosis
Exogenous gangliosides inhibit interleukin 2 (IL2)‐dependent growth of a T cell line, AKIL‐1.E8. IL2 activity is retained by columns of ganglioside covalently linked to poly(L‐lysine)‐agarose and is not eluted with ethylene glycol but is completely recovered by elution with 1% SDS. The ability of gangliosides to inhibit IL2 activity is directly related to the complexity of their carbohydrate portion, and related ceramide derivatives at similar concentrations do not inhibit IL2 activity. We conclude that IL2 bound to exogenous gangliosides is inactive and that the carbohydrate portion of the ganglioside is crucial to its interaction with IL2.