• Mojca NARAT Univ. of Ljubljana, Biotechnical Fac., Zootechnical Dept., Domžale, Slovenia



immunology, microbiology, superantigens, T cells, B cells


Superantigens are bacterial, viral, retroviral and some naturally occurring proteins that can specifically activate a large proportion of T and/or B cells. In contrast to classical peptide antigen recognition, superantigens do not require processing to small peptides. T-cell superantigens interact with the immune system by binding to major histocompatibility complex (MHC) class II proteins outside the classical antigen binding groove and activate T cells through the variable region of the T cell receptor beta-chain. B-cell superantigens target B cells, which have restricted usage of variable heavy and light chain and by binding to immunoglobulins outside the conventional antigen binding site, stimulate a high frequency of B cells. Studies of T-cell and B-cell superantigens are important since they are involved in many human diseases and represent a great tool in unravelling some of the basic mechanisms of immune response.



15. 12. 1998



Review Article

How to Cite

NARAT, M. (1998). SUPERANTIGENS. Acta Agriculturae Slovenica, 72(1), 25–36.

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