Abstract
Cell lines BTSN4 and BTSN5 were produced by the Epstein-Barr Virus (EBV) transformation of B-lymphocytes from the same human donor. Both secrete an anti-D monoclonal of the IgG1 subclass but these antibodies display vastly different effector activities. Specifically, anti-D from BTSN4 has a far greater activity in both monocyte-and lymphocyte-mediated ADCC reactions and causes a higher percentage of rosettes to be formed with monocyte-like U937 cells. This variation in functional activity is shown to coincide with changes in the structure of the sugar chains attached to the asparagine-297 site on the immunoglobulin heavy chain.
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Abbreviations
- ADCC:
-
anti-body dependent cellular cytotoxicity
- EBV:
-
Epstein-Barr virus
- GlcNAc:
-
glucosamine
- Gal:
-
Galactose
- Man:
-
Mannose
- Fuc:
-
Fucose
- SA:
-
Sialic acid
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© 1994 Springer Science+Business Media Dordrecht
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Cant, D., Barford, J., Harbour, C., Fletcher, A., Packer, N., Gooley, A. (1994). Glycosylation and functional activity of anti-D secreted by two human lymphoblastoid cell lines. In: Buckland, B.C., Aunins, J.G., Bibila, T.A., Hu, WS., Robinson, D.K., Zhou, W. (eds) Cell Culture Engineering IV. Current Applications of Cell Culture Engineering, vol 1. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0257-5_25
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DOI: https://doi.org/10.1007/978-94-011-0257-5_25
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