12
#P61812
7042
Background
TGF-β2 is produced by eosinophils, astrocytes, glioblastoma and other cancer derived cell types (1-6). TGF-β2 inhibits antigen-induced T-cell proliferation, inhibits epithelial cell proliferation, induces mesenchymal cell proliferation and has cell specific effects on apoptosis (1-8). TGF-β2 binds to TβRII and binding is promoted by TβRIII. TβRI then complexes with TβRII and TβRIII (3,5). Signaling involves phosphorylation of the SMAD proteins (2,3,9). TGF-β2 also activates Erk2, p38, and JNK pathways (9). Knockout of TGF-β2 in mice severely impacts heart, lung and eye development (10).
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Endotoxin
Less than 0.01 ng endotoxin/1 μg hTGF-β2.
Purity
>98% as determined by SDS-PAGE of 6 μg reduced (+) and non-reduced (-) recombinant hTGF-β2. All lots are greater than 98% pure.
Source / Purification
Recombinant human TGF-β2 (hTGF-β2) Ala303-Ser414 (Accession #NP_003229) was expressed in human 293 cells at Cell Signaling Technology.
Bioactivity
The bioactivity of recombinant hTGF-β2 was was determined by assessing inhibition of IL-4 induced HT-2 cell proliferation. The ED50 of each lot is between 0.1-0.3 ng/ml.
Background
TGF-β2 is produced by eosinophils, astrocytes, glioblastoma and other cancer derived cell types (1-6). TGF-β2 inhibits antigen-induced T-cell proliferation, inhibits epithelial cell proliferation, induces mesenchymal cell proliferation and has cell specific effects on apoptosis (1-8). TGF-β2 binds to TβRII and binding is promoted by TβRIII. TβRI then complexes with TβRII and TβRIII (3,5). Signaling involves phosphorylation of the SMAD proteins (2,3,9). TGF-β2 also activates Erk2, p38, and JNK pathways (9). Knockout of TGF-β2 in mice severely impacts heart, lung and eye development (10).
Background References
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
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