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Superantigens (Paperback, Softcover reprint of the original 1st ed. 1991)
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Superantigens (Paperback, Softcover reprint of the original 1st ed. 1991)
Series: Current Topics in Microbiology and Immunology, 174
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Total price: R1,438
Discovery Miles: 14 380
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This volume of Current Topics in Microbiology and Immunology is
concerned with a class of molecules that are the most potent
polyclonal stimulators of T lymphocytes of several species. These
molecules have been named "superantigens" because they use a
mechanism of T cell stimulation closely mimicking MHC-restricted
recognition of specific antigen: they act on variable parts of T
cell antigen receptors and are presented by MHC class II molecules.
Prototypes of these molecules are the pyrogenic exotoxins produced
by S. aureus and S. pyogenes, of which the staphylococcal
enterotoxins and the toxic shock syndrome toxin are the best known.
Superantigens also occur endogen ously in mice, most notably the
enigmatic Mis determinants, that have withstood characterization
for nearly 20 years. Only very recently was it found that Mis is
probably encoded by endogenous retroviruses. The list of candidates
that are implicated as being superantigens is growing. In many
cases, however, the proof that a given molecule indeed falls into
this category is still missing.
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