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You are here:Home » Molecular Biology » MB-Growth Factors-GDF » GDF-3, Recombinant, Human (Growth/Differentiation Factor-3)

GDF-3, Recombinant, Human (Growth/Differentiation Factor-3)


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GDF-3 is a member of the TGF-beta superfamily of growth and differentiation factors, and is highly homologous to GDF-9.Unlike most TGF-beta family members, GDF-3 and GDF-9 are not disulfide-linked dimers.GDF-3 is expressed in adult bone marrow, spleen, thymus, and adipose tissue.The expression of GDF-3 is upregulated in high-fat-fed wild-type FABP4/aP2 null mice and was associated with obesity, but not with the related hyperglycemia/hyperinsulinemia which characterizes Type 2 diabetes.Recombinant human GDF-3 is a 26.0kD non-disulfide-linked homodimer containing two 114 amino acid polypeptide chains.
Catalog #143343
Biological ActivityDetermined by its ability to inhibit induced alkaline phosphatase production by ATDC-5 chondrogenic cells. The ED50 for this effect is 100-150ng/ml.
Quality ControlVerified by N-terminal and Mass Spectrometry analyses (when applicable).
Endotoxin<0.1ng/ug of protein (<1EU/ug).
Protein ContentVerified by UV Spectroscopy and/or SDS-PAGE gel.
Storage and StabilityStore lyophilized products at -20°C. For reconstituted solutions of most products, we recommend short-term storage at 4°C. For longer term storage the protein solution should be stored with a carrier protein (eg. 0.1% BSA) in working aliquots and stored frozen at -20°C. Additional freeze/thaw cycles may cause some denaturation of the protein.
SourceE. coli
Purity98% by SDS-PAGE gel and HPLC analyses.
FormSupplied as a lyophilized powder.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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