Thymulin (also known as Facteur Thymique Serique or FTS) is a nonapeptide hormone produced exclusively by thymic epithelial cells. It requires zinc for biological activity, forming a zinc-thymulin complex (Zn-FTS). Thymulin plays a crucial role in T-lymphocyte differentiation and immune regulation. Serum thymulin levels decline significantly with age, correlating with thymic involution and age-related immune dysfunction. The peptide has been studied for immune restoration in aging, autoimmune diseases, and immunodeficiency conditions. Thymulin also demonstrates anti-inflammatory and analgesic properties beyond its primary immunomodulatory functions.
Key Data
Mechanism of Action
Zinc-dependent peptide that modulates T-cell development and immune function.
Reported Benefits
All information is presented for Research Use Only (RUO). Not medical advice.