Follistatin

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Follistatin (344 aa, ~38 kDa) is encoded by the human FST gene. This protein is involved in inhibiting both activin-mediated cell growth and follicle-stimulating hormone release.

**Synonyms:** - Activin-Binding Protein - FS - FST - Follistatin Isoform FST317