Hot Sale Polypeptide Hormone Follistatin315 1mg / Vial Materials
|10-99 100-199 200+|
|FOB Unit Price:||US $3 US $2 US $1.6|
|Purchase Qty. (G)||FOB Unit Price|
|Production Capacity:||200-300kg Per Month|
|Transport Package:||1kg/Aluminium Foil Bag or as Required|
|Payment Terms:||T/T, Western Union, Money Gram, Bitcoin|
- Model NO.: Follistatin315
- Customized: Non-Customized
- Suitable for: Adult
- Purity: >99%
- Einecs: 211-351-6
- Molecular Weight: 416.51
- Specification: white powder
- HS Code: 29163920
- Powder: Yes
- Certification: GMP, ISO 9001, USP, BP
- State: Powder
- CAS: 846589-98-8
- Molecular Formula: C24h32o6
- Trademark: Shucan
- Origin: China
Polypeptide Hormone Follistatin 315 antibody FST-315
What is Follistatin 315?
Follistatin is a single-chain gonadal protein that specifically inhibits follicle-stimulating hormone release.
The single FST gene encodes two isoforms, FST317 and FST344 containing 317 and 344 amino acids respectively, resulting from alternative splicing of the precursor mRNA.
In a study in which 37 candidate genes were tested for linkage and association with polycystic ovary syndrome (PCOS) or hyperandrogenemia in 150 families, evidence was found for linkage between PCOS and follistatin.
1.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.
2.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.
3.Follistatin is expressed in the pituitary, ovaries, decidual cells of the endometrium, and in some other tissues. Recombinant human Follistatin 315 is a 34.7 kDa protein containing amino acids 30-344 of the FST-344 protein.
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