Follistatin 344 (and 315) Follistatin, also called activin-binding protein, is found in nearly all tissues of vertebrate animals. Its primary function is to neutralize members of the TGF-β family, which play fundamental roles in everything from growth and development to energy homeostasis and immune system regulation. In particular, follistatin interacts with activin, which plays an important part in cell proliferation and cell death as well as in the immune response as it applies to wound r
What is Follistatin?
## What is Follistatin? Follistatin was first identified in the late 1980s, when researchers discovered that it could block the activity of myostatin, a protein that regulates muscle growth. This finding sparked a great deal of interest in the scientific community, and over the next several years, researchers began to uncover more information about the protein's structure and function. One of the key breakthroughs came in 1997, when scientists discovered that a genetic mutation in a bree
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