Product: Folistatin 344
Manufacturer: Bio Peptide
Steroid cycle: growth
Active principle: Folistatin 344
Folistatin 344 - 1mg - BIO PEPTIDE
Follistatin 344 significantly increases growth and strength of muscles by blocking Myostatin (GDF-8 – a protein inhibiting muscle growth). Follistatin-344 seems to be a very promising Myostatin inhibitor, possessing a sufficient safety profile.
Follistatin 344 Follistatin (also known as activin-binding protein) is an autocrine glycoprotein encoded by the FST gene that is expressed in nearly all tissues. Its primary function in the body is bioneutralization of members of the TGF-β superfamily, with a particular focus on activin and paracrine hormones.
Follistatin 344 significantly increases growth and strength of muscles by blocking Myostatin (GDF-8 –
A protein inhibiting muscle growth). Follistatin-344 seems to be a very promising Myostatin inhibitor, possessing a sufficient safety profile.
Follistatin 344 is also a perfect choice for those sportsmen who cannot exercise on a regular basis any longer or for those who stopped exercising, but they still want to stay in shape, having a huge muscle mass. It has been proved, that the less strenuous muscle load and the less physical activity is, the higher concentration of Myostatin is reached.
Follistatin is a potent Moystatin inhibitor. An original Follistatin 344 acted also as an activin inhibitor, which on the other hand stimulates the secretion of follicle-stimulating hormone – FSH (activin regulates the growth and differentiation of all cell types, including cells within sexual glands, pituitary gland and skeletal muscles). Therefore, scientists developed a particular Follistatin (Follisttain 344) that is derived from the original one and that is capable of blocking preferentially Moystatin activity.
Follistatin (FST) is a secreted glycoprotein that was first identified as a folliclestimulating hormone inhibiting substance in ovarian follicular fluid (1, 2). Human Follistatin cDNA encodes a 344 amino acid (aa) protein with a 29 aa signal sequence, an Nterminal atypical TGF binding domain, three Follistatin domains that contain EGFlike and kazallike motifs, and a highly acidic Cterminal tail. Follistatin is a secreted protein that binds to ligands of the TGF-Beta family and regulates their activity by inhibiting their access to signaling receptors. It was originally discovered as activin antagonists whose activity suppresses expression and secretion of the pituitary hormone FSH (follicle stimulating hormone). In addition to being a natural antagonist, follistatin can inhibit the activity of other TGF-Beta ligands including BMP-2,-4,-6,-7, Myostatin, GDF-11, and TGF-Beta1. Follistatin is expressed in the pituitary, ovaries, decidual cells of the endometrium, and in some other tissues. Recombinant human Follistatin is a 37.8 kDa protein containing 344 amino acids.
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