TGF beta 1 (Transforming growth factor β1), Human

Transforming growth factor beta 1 or TGF-β1 is a polypeptide member of the transforming growth factor beta superfamily of cytokines. It is a secreted protein that performs many cellular functions, including the control of cell growth, cell proliferation, cell differentiation, and apoptosis.

In humans, TGF-β1 is encoded by the TGFB1 gene.

1 ng/mL. The specific activity of recombinant human TGF beta 1 is approximately >5 x 107 IU/mg.

Measure by its ability to induce proliferation in MCF-7 cells The ED50 for this effect is <3.2 ng/mL.

Purity: >98% as determined by SDS-PAGE. Form: Lyophilized Storage Buffer: Lyophilized from a 0.

2 μm filtered solution of PBS, pH 8.0.

Avoid repeated freeze/thaw cycles.