Title: activin Long Title: IUPAC Gold Book - activin DOI: 10.1351/goldbook.10335 Status: current Definition Growth factor of the transforming growth factor \(\upbeta\) (TGF-\(\upbeta\)) superfamily, originally identified as a gonadal factor that stimulated secretion of follicle-stimulating hormone, also involved in many aspects of development including mesodermal induction (see mesenchyme), hematopoiesis, and neuronal differentiation. Related Terms - Growth factor: https://goldbook.iupac.org/terms/view/10782 - follicle-stimulating hormone: https://goldbook.iupac.org/terms/view/10730 - hematopoiesis: https://goldbook.iupac.org/terms/view/10789 - mesenchyme: https://goldbook.iupac.org/terms/view/10942 - mesodermal: https://goldbook.iupac.org/terms/view/10944 - neuronal: https://goldbook.iupac.org/terms/view/11012 Source - PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 716 (https://doi.org/10.1515/pac-2015-1202) Other Outputs - html: https://goldbook.iupac.org/terms/view/10335/html - json: https://goldbook.iupac.org/terms/view/10335/json - xml: https://goldbook.iupac.org/terms/view/10335/xml Citation: Citation: 'activin' 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.10335 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: 2026-05-13T20:21:35+00:00