Follistatin-315 (1mg Research Vial)
Analytical Standards & Laboratory Handling
Verified laboratory protocols, reconstitution parameters, and handling guidelines.
Pharmacological Profile & Mechanism of Action
What it is: Follistatin-315 is the primary circulating physiological isoform of follistatin found in systemic mammalian plasma, possessing an acidic C-terminal extension that modulates its extracellular matrix binding.
How it works: FS-315 preferentially neutralizes circulating activin and myostatin with lower cell-surface heparin binding than FS-288, making it ideal for systemic endocrine evaluation without excessive localized tissue trapping.
Why researchers study it: Investigated in systemic fibrosis, age-related muscle atrophy, and metabolic regulation assays.




