Application

Research CategoryStem Cell Research

Research Sub CategoryGrowth Factors & Receptors

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

General description

Product Source: E. coli

Transforming growth factor alpha (TGF-α) is an EGF-related polypeptide growth factor that signals through the EGF receptor, and stimulates the proliferation of a wide range of epidermal and epithelial cells. It is produced by monocytes, keratinocytes, and various tumor cells. TGF-α induces transformation anchorage independence in cultured cells. Human, murine and rat TGF-α are cross-species reactive. Recombinant human TGF-α is a 50 amino acid polypeptide (5.5 kDa) which shares approximately 40% sequence homology with EGF, including 6 conserved cysteine residues, which form 3 intramolecular disulfide bonds.

Physical form

Product is filtered through a 0.2 micron filter before lyophilization.

Recombinant animal free human TGF- α is manufactured using all non-animal reagents

Quality

Bioactivity assay: Determined by its ability to stimulate the proliferation of mouse Balb/c 3T3 cells. The expected ED50 is ≤ 0.2 ng/ml, corresponding to a specific activity of ≥ 5 x 106 units/mg.

Specificity

Cross ReactivtyChicken, Mouse, Rat

Storage and Stability

Store at -20°C for up to 6 months from date of receipt.