Key takeaways Regulatory Status: As of April 2026, no injectable follistatin product is FDA-approved for any indication. Follistatin gene therapy (AAV1-FS344) has been investigated in Phase 1/2a clinical trials at Nationwide
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Overview Follistatin 344 (FS-344) is a naturally occurring single-chain glycoprotein encoded by the FST gene on human chromosome 5q11.2. It belongs to a family of activin-binding proteins first identified and isolated from po
01 — Description What it is Follistatin is a naturally occurring protein that binds and inhibits myostatin, a negative regulator of muscle growth. It is commonly used in research to study muscle development, regeneration, a
Follistatin: The Myostatin Inhibitor with Potential for Muscle Growth and Regenerative Medicine Introduction Muscle growth and repair are tightly regulated by a variety of molecular pathways. One of the most influential regul