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Follistatin 288 is a secreted glycoprotein that was first identified as a follicle-stimulating hormone inhibiting substance in ovarian follicular fluid . Human follistatin 288 cDNA encodes a 317 amino acid (aa) protein with a 29 aa signal sequence, and a 288 aa mature region. Follistatin shows the highest affinity for activins due to its extended configuration. Genetic deletion of follistatin in mice, or expression of only the Follistatin form, is perinatally lethal due to defects of lung, skin and musculoskeletal system. Follistatins also regulate hematopoietic stem cell adhesion to fibronectin via FS2.
Accession: P19883
Apparent Molecular Weight: 33-42 KDa, under reducing conditions
Endotoxin < 1 EU/µg
Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
| Form | Lyophilized powder |
| Solubility (25°C) | Reconstitute the lyophilized powder in distilled water to a concentration not less than 100 μg/mL. |
| Storage | Stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days and at -20°C for 3 months. |
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Products are for research use only. Not for human use. We do not sell to patients.
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