Thermo Fisher Scientific Human TGF-beta 3 (Carrier-Free) Recombinant Protein, eBioscience

Applications

Tested Dilution

Publications

Neutralization (Neu)

Assay-Dependent

-

Functional Assay (Functional)

Assay-Dependent

-

Control (Ctrl)

Assay-Dependent

-

Product Specifications

Expression System

E. coli

Class

Recombinant

Type

Protein

Conjugate

Unconjugated Unconjugated Unconjugated

Form

Lyophilized

Storage conditions

-20°C

Shipping conditions

Dry ice

Product Specific Information

Description: Transforming growth factor beta 3 (TGF beta 3) is the third member of the transforming growth factor family of cytokines, which also includes TGF beta 1 and beta 2. These cytokines are secreted in precursor form consisting of a bioactive C-terminal domain attached to an N-terminal domain known as latency associated protein (LAP). Cleavage of LAP results in the mature protein, which functions as a disulfide-linked homodimer. As with all members of the family, TGF beta 3 is highly conserved across species, with mouse and human TGF beta 3 demonstrating 100% sequence homology and cross-species activity.

The members of this family can be expressed by most cell types and exert pleiotropic effects, which include the suppression of B- and T-cell effector activity, mediation of tissue healing, and suppression of tumor proliferation. The promotion of CD4+CD25+ T-cell expansion is a newly discovered function of the TGF beta cytokines, and indicates an important role in the protection against autoimmunity.

Applications Reported: Recombinant human TGF beta 3 is biologically active and can inhibit IL-4-induced proliferation of mouse HT-2 cells.

Applications Tested: The ED50 of this protein, as measured by inhibition of IL-4-induced proliferation of mouse HT-2 cells, is less than or equal to 0.05 ng/mL, which corresponds to a specific activity of greater than 2 x 10^7 Units/mg.

Source: E. coli (amino acids Ala301-Ser412; accession # NP_003230.1).

Bioactivity: The ED50 of this protein, as measured by inhibition of IL-4-induced proliferation of mouse HT-2 cells, is less than or equal to 0.05 ng/mL, which corresponds to a specific activity of greater than 2 x 10e7 Units/mg.

Endotoxin: Less than 0.1 ng/ug cytokine as determined by the LAL assay. Purity: >98% as determined by SDS-PAGE and HPLC.

Molecular Weight: 25.0 kDa.

Storage and handling: For best recovery, quick spin vial prior to opening. Reconstitute in 5-10 mM citric acid to a concentration of 0.1-1.0 mg/mL. Do not vortex. Use in sterile environment. Store lyophilized protein at less than or equal to -20°C. Reconstituted protein solution can be stored with carrier-protein (e.g., 0.1% BSA) at less than or equal to -20°C.

Target Information

Transforming growth factor beta 3 (TGF beta 3) is the third member of the transforming growth factor family of cytokines, which also includes TGF beta 1 and beta 2. These cytokines are secreted in precursor form consisting of a bioactive C-terminal domain attached to an N-terminal domain known as latency associated protein (LAP). Cleavage of LAP results in the mature protein, which functions as a disulfide-linked homodimer. As with all members of the family, TGF beta 3 is highly conserved across species, with mouse and human TGF beta 3 demonstrating 100% sequence homology and cross-species activity.The members of this family can be expressed by most cell types and exert pleiotropic effects, which include the suppression of B- and T-cell effector activity, mediation of tissue healing, and suppression of tumor proliferation. The promotion of CD4+CD25+ T-cell expansion is a newly discovered function of the TGF beta cytokines, and indicates an important role in the protection against autoimmunity.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.