Title: bystander suppression
Long Title: IUPAC Gold Book - bystander suppression
DOI: 10.1351/goldbook.12969
Status: current

Definition
Suppression of an immune response to an antigen due to tolerance to an unrelated (hence bystander) antigen.

Related Terms
- Suppression: https://goldbook.iupac.org//terms/view/13701
- bystander effect: https://goldbook.iupac.org//terms/view/12968
- tolerance: https://goldbook.iupac.org//terms/view/13302

Source
- PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1137 (https://doi.org/10.1351/PAC-REC-11-06-03)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/12969/html
- json: https://goldbook.iupac.org/terms/view/12969/json
- xml: https://goldbook.iupac.org/terms/view/12969/xml

Citation: Citation: 'bystander suppression' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.12969
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .
Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-08-02T11:31:46+00:00