Recombinant Human/Mouse/Rat Activin A by Bio-Techne

Manufacturer Bio-Techne
R&D Activin - Recombinant  Activin A Protein from Human/Mouse/Rat Activins and inhibins, members of the TGF-β superfamily, have been shown to have a wide range of biological activities including: mesoderm induction, neural cell differentiation, bone remodeling, hematopoiesis and reproductive physiology. Specifications and Use for R&D Activin ASource of R&D Activin• A DNA sequence encoding the human Activin A protein sequence (Mason, A. et al., 1986, Biochem. Bi... Read more


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Recombinant Human/Mouse/Rat Activin A
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R&D Activin - Recombinant  Activin A Protein from Human/Mouse/Rat

Activins and inhibins, members of the TGF-β superfamily, have been shown to have a wide range of biological activities including: mesoderm induction, neural cell differentiation, bone remodeling, hematopoiesis and reproductive physiology.

Specifications and Use for R&D Activin A

Source of R&D Activin
• A DNA sequence encoding the human Activin A protein sequence (Mason, A. et al., 1986, Biochem. Biophys. Res. Commun. 135:957 - 964) was expressed in CHO cells.

Molecular Mass
of R&D Recombinant Activin
• Recombinant human mature Activin A is a disulfide-linked homodimer of two 116 amino acid residue βA subunits. The mature βA monomer lacks a potential N-linked glycosylation site and has a calculated molecular mass of 13 kDa.

Purity of R&D Activin
• > 95%, as determined by SDS-PAGE and visualized by silver stain.

Endotoxin Level
• < 1.0 EU per 1 μg of the cytokine as determined by the LAL method.

Activity of R&D Activin
• Measured by its ability to induce hemoglobin expression in K562 cells (Schwall, R.H. et al., 1991, Method Enzymol. 198:340).
• The ED50 for this effect is typically 0.5 - 2 ng/mL.

R&D Recombinant Activin Formulation
• Lyophilized from a 0.2 μm filtered solution in 30% acetonitrile, 0.1% TFA containing 50 μg of bovine serum albumin per 1 μg of cytokine.

Reconstitution of R&D Activin
• It is recommended that sterile PBS containing at least 0.1% human serum albumin or bovine serum albumin be added to the vial to prepare a stock solution of no less than 10 μg/mL.

Storage of R&D Activin
• Lyophilized samples are stable for up to twelve months at -20° C to -70° C.
• Upon reconstitution, this cytokine can be stored under sterile conditions at 2° - 8° C for one month or at -20° C to -70° C in a manual defrost freezer for three months without detectable loss of activity.
• Avoid repeated freeze-thaw cycles.

Product Overview

Recombinant Human/Mouse/Rat Activin A by Bio-Techne product image

Recombinant Human/Mouse/Rat Activin A

Manufacturer Bio-Techne

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