TGF-beta 3 Antibody

Catalog # Availability Size / Price Qty
AB-244-NA
Detection  of Human TGF‑ beta 3 by Western Blot.
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Product Details
Citations (3)
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TGF-beta 3 Antibody Summary

Specificity
Detects TGF‑ beta 3 in direct ELISAs and Western blots. In direct ELISAs, less than 10% cross-reactivity with recombinant amphibian TGF-beta 5 is observed and less than 5% cross-reactivity with recombinant human (rh) TGF-beta 1, rhTGF-beta 2 and rhLAP (TGF-beta 1) is observed.
Source
Polyclonal Goat IgG
Purification
Protein A or G purified
Immunogen
S. frugiperda insect ovarian cell line Sf 21-derived recombinant chicken TGF‑ beta 3 and recombinant human TGF‑ beta 3
Ala301-Ser412 (Tyr340Phe)
Accession # P10600
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
2 µg/mL
See below
Simple Western
50 µg/mL
See below
Neutralization
Measured by its ability to neutralize TGF‑ beta 3 inhibition of IL‑4-dependent proliferation in the HT‑2 mouse T cell line. Tsang, M. et al. (1995) Cytokine 7:389. The Neutralization Dose (ND50) is typically 1-3 µg/mL in the presence of 0.1 ng/mL Recombinant Human TGF‑ beta 3 and 7.5 ng/mL Recombinant Mouse IL‑4.

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.

Data Examples

Western Blot Detection  of Human TGF‑ beta 3 by Western Blot. View Larger

Detection of Human TGF‑ beta 3 by Western Blot. Western blot shows lysates of human heart tissue and human breast cancer tissue. PVDF membrane was probed with 2 µg/mL of Goat Anti-TGF‑ beta 3 Polyclonal Antibody (Catalog # AB-244-NA) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for TGF‑ beta 3 at approximately 67 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Simple Western Detection of Human TGF‑ beta 3 by Simple WesternTM. View Larger

Detection of Human TGF‑ beta 3 by Simple WesternTM. Simple Western lane view shows lysates of human heart tissue and human breast cancer tissue, loaded at 0.2 mg/mL. A specific band was detected for TGF‑ beta 3 at approximately 64 kDa
(as indicated) using 50 µg/mL of Goat
Anti-TGF‑ beta 3 Polyclonal Antibody
(Catalog # AB-244-NA) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). This experiment was conducted under reducing conditions and using the
12-230 kDa separation system.

Neutralization TGF‑ beta 3 Inhibition of IL‑4-dependent Cell Proliferation and Neutralization by TGF‑ beta 3 Antibody. View Larger

TGF‑ beta 3 Inhibition of IL‑4-dependent Cell Proliferation and Neutralization by TGF‑ beta 3 Antibody. Recombinant Human TGF‑ beta 3 (Catalog # 243-B3) inhibits Recombinant Mouse IL‑4 (Catalog # 404-ML) induced proliferation in the HT‑2 mouse T cell line in a dose-dependent manner (orange line). Inhibition of Recombinant Mouse IL‑4 (7.5 ng/mL) activity elicited by Recombinant Human TGF‑ beta 3 (0.1 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-TGF‑ beta 3 Polyclonal Antibody (Catalog # AB-244-NA). The ND50 is typically 1-3 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 1 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 3

TGF-beta 3 (transforming growth factor beta 3) is one of three closely related mammalian members of the large TGF-beta superfamily that share a characteristic cystine knot structure (1‑7). TGF-beta 1, -2 and -3 are highly pleiotropic cytokines that are 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 3, mice with targeted deletion show defects palatogenesis and pulmonary development (2). Human TGF-beta 3 cDNA encodes a 412 amino acid (aa) precursor that contains a 20 aa signal peptide and a 392 aa proprotein (8). A furin-like convertase processes the proprotein to generate an N-terminal 220 aa latency-associated peptide (LAP) and a C-terminal 112 aa mature TGF-beta 3 (8, 9). Disulfide-linked homodimers of LAP and TGF-beta 3 remain non-covalently associated after secretion, forming the small latent TGF-beta 3 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 3 shows 100%, 99% and 98% aa identity with mouse/dog/horse, rat and pig TGF-beta 3, respectively. It demonstrates cross-species activity (1). TGF-beta 3 signaling begins with high-affinity binding to a type II ser/thr kinase receptor termed TGF-beta  RII. This receptor then phosphorylates and activates a second ser/thr kinase receptor, TGF-beta  RI (also called activin receptor-like kinase (ALK) -5), or alternatively, ALK-1.This complex phosphorylates and activates Smad proteins that regulate transcription (3, 11, 12). Contributions of the accessory receptors betaglycan (also known as TGF-beta  RIII) and endoglin, or use of Smad-independent signaling pathways, allow 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. Derynck, R. et al. (1988) EMBO J. 7:3737.
  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 3
Entrez Gene IDs
7043 (Human); 21809 (Mouse); 25717 (Rat)
Alternate Names
ARVD; FLJ16571; TGFB3; TGFbeta 3; TGF-beta 3; TGF-beta3; TGF-beta-3; transforming growth factor beta-3; transforming growth factor, beta 3

Product Datasheets

Citations for TGF-beta 3 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.

3 Citations: Showing 1 - 3
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  1. Matrix metalloproteinase-25 has a functional role in mouse secondary palate development and is a downstream target of TGF-beta3.
    Authors: Brown GD, Nazarali AJ
    BMC Dev. Biol., 2010;10(0):93.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Neut
  2. Collagen I promotes epithelial-to-mesenchymal transition in lung cancer cells via transforming growth factor-beta signaling.
    Authors: Shintani Y, Maeda M, Chaika N, Johnson KR, Wheelock MJ
    Am. J. Respir. Cell Mol. Biol., 2007;38(1):95-104.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neut
  3. Isoform specificity of commercially-available anti-TGF-beta antibodies.
    Authors: Mozes MM, Hodics T, Kopp JB
    J. Immunol. Methods, 1999;225(1):87-93.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: WB

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