TGF-beta 2 Biotinylated Antibody

Catalog # Availability Size / Price Qty
BAF302
Product Details
Citations (2)
FAQs
Supplemental Products
Reviews (1)

TGF-beta 2 Biotinylated Antibody Summary

Specificity
Detects TGF-beta 2 in ELISAs and Western blots. In sandwich immunoassays, approximately 10% cross‑reactivity with rhTGF-beta 1.2 and less than 0.1% cross-reactivity with rhTGF-alpha, rhTGF-beta 1, rhTGF-beta 3 and raTGF-beta 5 is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Porcine platelet-derived TGF-beta 2 (R&D Systems, Catalog # 102-B2)
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Label
Biotin

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human TGF-beta 2 (Catalog # 302-B2)

Human TGF-beta 2 Sandwich Immunoassay

Recommended Concentration
Reagent
ELISA Detection (Matched Antibody Pair)
0.1-0.4 µg/mL 

Use in combination with:

Capture Reagent: TGF‑ beta 2 Antibody (Catalog # MAB612)

Standard: Recombinant Human TGF-beta 2 Protein (Catalog # 302-B2)

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
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.

Background: TGF-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).

References
  1. Sporn, M.B. (2006) Cytokine Growth Factor Rev. 17:3.
  2. Dunker, N. and K. Krieglstein, 2000, Eur. J. Biochem. 267:6982.
  3. Wahl, S.M. (2006) Immunol. Rev. 213:213.
  4. Chang, H. et al. (2002) Endocr. Rev. 23:787.
  5. Lin, J.S. et al. (2006) Reproduction 132:179.
  6. Hinck, A.P. et al. (1996) Biochemistry 35:8517.
  7. Mittl, P.R.E. et al. (1996) Protein Sci. 5:1261.
  8. deMartin, R. et al. (1987) EMBO J. 6:3673.
  9. Miyazono, K. et al. (1988) J. Biol. Chem. 263:6407.
  10. Oklu, R. and R. Hesketh (2000) Biochem. J. 352:601.
  11. de Caestecker, M. et al. (2004) Cytokine Growth Factor Rev. 15:1.
  12. Zuniga, J.E. et al. (2005) J. Mol. Biol. 354:1052.
Long Name
Transforming Growth Factor beta 2
Entrez Gene IDs
7042 (Human); 21808 (Mouse); 397084 (Porcine)
Alternate Names
BSC-1 cell growth inhibitor; cetermin; Glioblastoma-derived T-cell suppressor factor; G-TSF; MGC116892; polyergin; TGFB2; TGFbeta 2; TGF-beta 2; TGF-beta2; TGF-beta-2; transforming growth factor beta-2; transforming growth factor, beta 2

Product Datasheets

Citations for TGF-beta 2 Biotinylated Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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  1. Interferon-gamma inhibits transforming growth factor-beta production in human airway epithelial cells by targeting Smads.
    Authors: Wen FQ, Liu X, Kobayashi T, Abe S, Fang Q, Kohyama T, Ertl R, Terasaki Y, Manouilova L, Rennard SI
    Am. J. Respir. Cell Mol. Biol., 2004;30(6):816-22.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: ELISA Development
  2. Th2 cytokine regulation of type I collagen gel contraction mediated by human lung mesenchymal cells.
    Authors: Liu X, Kohyama T, Wang H, Zhu YK, Wen FQ, Kim HJ, Romberger DJ, Rennard SI
    Am. J. Physiol. Lung Cell Mol. Physiol., 2002;282(5):L1049-56.
    Species: Human
    Sample Types: Cell Culture Supernates

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TGF-beta 2 Biotinylated Antibody
By Anonymous on 03/28/2019
Application: ELISA Sample Tested: Recombinant protein Species: Human

I used this as a detection antibody at 0.2ug/mL for 1hr. I found this antibody was able to detect rh TGF beta 2 protein