Immunology

Thymosin Alpha-1

Thymus-derived immunomodulatory peptide. Approved in several countries as thymalfasin, but not registered in Brazil.

Approved

Overview

Thymosin alpha-1 was isolated from the thymus and is produced synthetically as thymalfasin. It is approved in several countries in Asia, Europe and Latin America for indications such as chronic hepatitis B and as an immune adjuvant. It remains under research in oncology and infectious disease.

Mechanism of action

Acts on Toll-like receptors (TLRs) in dendritic cells, promoting T-cell maturation and Th1-type immune responses.

Research areas

  • Immunology
  • Viral hepatitis
  • Immuno-oncology

Selected references

  1. King R, Tuthill C. Immune Modulation with Thymosin Alpha 1 Treatment. Vitam Horm. 2016;102:151–178. PubMed ↗