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单词 superantigen
释义

superantigen

/ˌsuːpərˈantɪdʒ(ə)n/ /ˌsjuːpərˈantɪdʒ(ə)n/
Immunology
noun
1An antigen complexed with RNA during processing by a macrophage (considered as a strong stimulus of an immune response). Now disused.
2Any of a class of foreign (exogenous) or self (endogenous) antigens causing excessive activation of T lymphocytes.
  • Superantigens are produced especially by bacteria, including staphylococci and streptococci, and can be responsible for eliciting a massive release of cytokines, associated with illnesses such as toxic shock syndrome and septic shock..

Origin

1960s. From super- + antigen.

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更新时间:2025/3/22 19:15:35