Title: B-lymphocyte-induced maturation protein 1 Long Title: IUPAC Gold Book - B-lymphocyte-induced maturation protein 1 DOI: 10.1351/goldbook.12939 Status: current Definition Transcriptional repressor in B cells, that switches off genes required for B cell proliferation in the germinal center, and for class switching and affinity maturation. Note B cells in which BLIMP-1 is induced become plasma cells. Related Terms - B cells: https://goldbook.iupac.org/terms/view/12937 - affinity maturation: https://goldbook.iupac.org/terms/view/12854 - class switching: https://goldbook.iupac.org/terms/view/13010 - germinal center: https://goldbook.iupac.org/terms/view/13172 - plasma cells: https://goldbook.iupac.org/terms/view/13576 Source - PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1133 (https://doi.org/10.1351/PAC-REC-11-06-03) Other Outputs - html: https://goldbook.iupac.org/terms/view/12939/html - json: https://goldbook.iupac.org/terms/view/12939/json - xml: https://goldbook.iupac.org/terms/view/12939/xml Citation: Citation: 'B-lymphocyte-induced maturation protein 1' 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.12939 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: 2026-05-14T14:53:41+00:00