Application Note: Transforming Growth Factor beta 1 Recombinant Protein has been tested by biological activity and is suitable as a control for polyclonal or monoclonal anti-Transforming Growth Factor beta 1 in immunological assays.
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Other Performance Data: Endotoxin Level: Measured by kinetic LAL analysis and is typically ≤ 1 EU/μg protein. Biologic Activity: The activity is measured by the dose-dependent inhibition of IL-4-induced proliferation from mouse HT-2 cells and is typically 0.04-0.2 ng/mL.
Physical State: Lyophilized
Purity and Specificity: Transforming Growth Factor beta 1 purity was determined to be greater than 98% as determined by reducing and non-reducing SDS-pAGE.
Background: Transforming Growth Factor-beta 1 (TGF-β1) is a member of the TGF-beta superfamily. Members of this family are known to exhibit regulatory activity in immunity and proliferation pathways. TGF-β1 signals through SMAD proteins via the TGF-β1 RI and RII receptors. Mature human TGF-β1 is a glycosylated homodimer, containing two 112 amino acids chains, with a total molecular weight of 25 kDa.
Low Endotoxin: Yes
Other: User Optimized