TGF-beta 2 Antibody [Unconjugated] Summary
Porcine platelet-derived TGF-beta 2
Detects TGF-beta 2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, this antibody is highly specific for TGF-beta 2 and
TGF‑ beta 1.2 but will cross-react with other TGF-beta variants with at least 100-fold lower sensitivity. It will also neutralize the biological activity of TGF-beta 1.2, at a 50 fold higher IgG concentration.
<0.10 EU per 1 μg of the antibody by the LAL method.
Test in a species/application not listed above to receive a full credit towards a future purchase.
- Western Blot 0.25 ug/mL
- Simple Western 2.5 ug/mL
- Neutralization 0.3-1.5 ug/mL
Packaging, Storage & Formulations
|Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitute at 1 mg/mL in sterile PBS.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for TGF-beta 2 Antibody [Unconjugated]
- BSC-1 cell growth inhibitor
- Glioblastoma-derived T-cell suppressor factor
- TGFbeta 2
- TGF-beta 2
- transforming growth factor beta-2
- transforming growth factor, beta 2
TGF-beta 2 (transforming growth factor beta 2) is one of three closely related mammalian members of the large TGF-beta superfamily that share a characteristic cysteine knot structure (1-7). TGF-beta 1, -2 and -3 are highly pleiotropic cytokines proposed to act as cellular switches that regulate processes such as immune function, proliferation and epithelial-mesenchymal transition (1-4). Each TGF-beta isoform has some non-redundant functions; for TGF-beta 2, mice with targeted deletion show defects in development of cardiac, lung, craniofacial, limb, eye, ear and urogenital systems (2). Human TGF-beta 2 cDNA encodes a 414 amino acid (aa) precursor that contains a 19 aa signal peptide and a 395 aa proprotein (8). A furin-like convertase processes the proprotein to generate an N-terminal 232 aa latency-associated peptide (LAP) and a C-terminal 112 aa mature TGF- beta 2 (8, 9). Disulfide-linked homodimers of LAP and TGF-beta 2 remain non-covalently associated after secretion, forming the small latent TGF-beta 1 complex (8-10). Covalent linkage of LAP to one of three latent TGF-beta binding proteins (LTBPs) creates a large latent complex that may interact with the extracellular matrix (9, 10). TGF-beta is activated from latency by pathways that include actions of the protease plasmin, matrix metalloproteases, thrombospondin 1 and a subset of integrins (10). Mature human TGF-beta 2 shows 100% aa identity with porcine, canine, equine and bovine TGF-beta 2, and 97% aa identity with mouse and rat TGF-beta 2. It demonstrates cross-species activity (1). TGF-beta 2 signaling begins with binding to a complex of the accessory receptor betaglycan (also known as TGF-beta RIII) and a type II ser/thr kinase receptor termed TGF-beta RII. This receptor then phosphorylates and activates another ser/thr kinase receptor, TGF-beta RI (also called activin receptor-like kinase (ALK) -5), or alternatively, ALK-1. The whole complex phosphorylates and activates Smad proteins that regulate transcription (3, 11, 12). Use of other signaling pathways that are Smad-independent allows for disparate actions observed in response to TGF-beta in different contexts (11).
Sporn, M.B. (2006) Cytokine Growth Factor Rev. 17:3.
Dunker, N. and K. Krieglstein, 2000, Eur. J. Biochem. 267:6982.
Wahl, S.M. (2006) Immunol. Rev. 213:213.
Chang, H. et al. (2002) Endocr. Rev. 23:787.
Lin, J.S. et al. (2006) Reproduction 132:179.
Hinck, A.P. et al. (1996) Biochemistry 35:8517.
Mittl, P.R.E. et al. (1996) Protein Sci. 5:1261.
deMartin, R. et al. (1987) EMBO J. 6:3673.1.
Miyazono, K. et al. (1988) J. Biol. Chem. 263:6407.
Oklu, R. and R. Hesketh (2000) Biochem. J. 352:601.
de Caestecker, M. et al. (2004) Cytokine Growth Factor Rev. 15:1.
Zuniga, J.E. et al. (2005) J. Mol. Biol. 354:1052.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed
for 1 year from date of receipt.
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