This webpage contains legacy information. The product is either no longer available from the supplier or has been delisted at Labome.
product summary
company name :
R&D Systems
product type :
protein
product name :
Recombinant Human Follistatin 300 Protein
catalog :
669-FO
quantity :
25 ug
price :
349 USD
citations: 16
Reference |
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Alexander S, Watt F, Sawaji Y, Hermansson M, Saklatvala J. Activin A is an anticatabolic autocrine cytokine in articular cartilage whose production is controlled by fibroblast growth factor 2 and NF-kappaB. Arthritis Rheum. 2007;56:3715-25 pubmed
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McLean A, D Amour K, Jones K, Krishnamoorthy M, Kulik M, Reynolds D, et al. Activin a efficiently specifies definitive endoderm from human embryonic stem cells only when phosphatidylinositol 3-kinase signaling is suppressed. Stem Cells. 2007;25:29-38 pubmed
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Silva J, Tharasanit T, Taverne M, van der Weijden G, Santos R, Figueiredo J, et al. The activin-follistatin system and in vitro early follicle development in goats. J Endocrinol. 2006;189:113-25 pubmed
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Abe Y, Abe T, Aida Y, Hara Y, Maeda K. Follistatin restricts bone morphogenetic protein (BMP)-2 action on the differentiation of osteoblasts in fetal rat mandibular cells. J Bone Miner Res. 2004;19:1302-7 pubmed
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Amthor H, Nicholas G, McKinnell I, Kemp C, Sharma M, Kambadur R, et al. Follistatin complexes Myostatin and antagonises Myostatin-mediated inhibition of myogenesis. Dev Biol. 2004;270:19-30 pubmed
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product information
brand :
R&D Systems
master code :
669-FO
SKU :
669-FO-025
product name :
Recombinant Human Follistatin 300 Protein
description :
The Recombinant Human Follistatin 300 Protein from R&D Systems is derived from Sf 21 (baculovirus). The Recombinant Human Follistatin 300 Protein has been validated for the following applications: Bioactivity.
target :
Follistatin
category :
Proteins and Enzymes
unit size :
25 ug
buffer :
Lyophilized from a 0.2 µm filtered solution in Acetonitrile and TFA with BSA as a carrier protein.
conjugate :
Unconjugated
purity :
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
species :
Human
observed molecular weight :
38-43 kDa, reducing conditions
theoretical molecular weight :
31 kDa
gene symbol :
FST
details of functionality :
Measured by its ability to neutralize Activin-mediated erythroid differentiation of K562 human chronic myelogenous leukemia cells. The ED50 for this effect is 0.1-0.4 µg/mL in the presence of 7.5 ng/mL of rhActivin A.
endotoxin note :
<0.01 EU per 1 µg of the protein by the LAL method.
catalog number base :
669-FO
accessionNumbers :
P19883
applications :
Bioactivity
source :
Spodoptera frugiperda , Sf 21 (baculovirus)-derived human Follistatin protein Gly30-Asp329, with an N-terminal Met
2020 USD :
349
2021 USD :
349 USD
alt names :
follistatin, follistatin isoform FST317, FS, FSActivin-binding protein, FST
storage :
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after reconstitution. 3 months, -20 to -70 °C under sterile conditions after reconstitution.
company information

R&D Systems
614 McKinley Place N.E.
Minneapolis, MN 55413
Minneapolis, MN 55413
info@RnDSystems.com
https://www.rndsystems.com800 343-7475
headquarters: USA
R&D Systems develops and manufactures high-quality proteins and serves as a world leader in immunoassays. R&D Systems also produces quality antibodies, antibody arrays, stem cell and cell culture products, and cell selection and detection products, serving the life science and diagnostics industry.
questions and comments