Mouse TGF-β1 Recombinant Protein #15805
Product Information
Storage
Mouse TGF-β1 Recombinant Protein is supplied as lyophilized material that is very stable at -20ºC. It is recommended to reconstitute with sterile water at a concentration of 0.1 mg/mL which can be further diluted in aqueous solutions as needed. Addition of a carrier protein (0.1% HSA or BSA) is recommended for long-term storage.
Once in solution, store at 4ºC and use within 1 month, or store at -20ºC to -80ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles if storing reconstituted material at -20ºC to -80ºC.
Once in solution, store at 4ºC and use within 1 month, or store at -20ºC to -80ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles if storing reconstituted material at -20ºC to -80ºC.
Product Description
| MW (kDa) | 12.8 |
| Purity | A greater than 95% purity was determined by SDS-PAGE. |
| Endotoxin | Endotoxin levels are less than 1 EU / 1 μg mTGF-β1. |
| Activity | The bioactivity of recombinant mouse TGF-β1 (mTGF-β1) was determined in an HT-2 mouse T cell proliferation assay. The ED50 of each lot is 0.05-0.3 ng/mL. |
Source / Purification
Recombinant mTGF-β1 was expressed in 293 cells and is supplied in a lyophilized form.
Background
TGF-β1 activities include proliferation, angiogenesis, and promotion or inhibition of many immune events (1-3). TGF-β1 is produced by a number of cell types including regulatory T cells, fibroblasts, epithelial cells, and endothelial cells (3). TGF-β1 binds to TβRII homodimer, which then complexes with TβRI homodimer (1,4). The oligomeric receptor complex phosphorylates subsets of the SMAD proteins that then act to induce and repress a number of target genes (1,3,4). TGF-β1 binding can also activate the Erk2, p38, and JNK pathways via TAK1 (4). TGF-β1 appears to promote late stage progression and metastasis in some cancers (1,2).
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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