Growth axis

Follistatin

FST / FST-315 / FST-288 / FS344

Molecular form
Protein with multiple isoforms

Protein with multiple isoforms

Evidence availableLimited or mixed research

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An endogenous binding protein studied in muscle biology, with distinct isoforms and experimental gene-delivery approaches.

Family
Activin-binding protein
Research target
Activin / myostatin-associated signaling
Molecular form
Protein with multiple isoforms

What to know about the research

The small Becker muscular dystrophy trial delivered a follistatin gene using a vector. It is not evidence for injecting a marketed follistatin protein preparation.

Check the exact compound

Specify isoform, precursor versus mature protein, and delivery method. “Follistatin 344” may describe an expression construct rather than the final circulating protein.

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What supports this entry?

The reference list is available. A statement-by-statement source check has not been completed for this entry.

These are selected references, not a complete review of the literature. Source checks were assisted by AI and have not received independent expert review.

Research stage, study quality and regulatory status answer different questions. A study card does not establish treatment benefit or approval.

No study details have been extracted for this exact entry yet. This does not mean that no studies exist. Open the references and check the exact material.

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