Title: mammalian target of rapamycin Long Title: IUPAC Gold Book - mammalian target of rapamycin DOI: 10.1351/goldbook.13436 Status: current Definition Intracellular signaling molecule (phosphoinositide-3-kinase) involved in control of cell growth, whose activity is negatively influenced by the immunosuppressive drug rapamycin. Related Term - immunosuppressive: https://goldbook.iupac.org/terms/view/13320 Source - PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1209 (https://doi.org/10.1351/PAC-REC-11-06-03) Other Outputs - html: https://goldbook.iupac.org/terms/view/13436/html - json: https://goldbook.iupac.org/terms/view/13436/json - xml: https://goldbook.iupac.org/terms/view/13436/xml Citation: Citation: 'mammalian target of rapamycin' 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.13436 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: 2026-05-10T20:02:06+00:00