R-Spondin 3 Antibody (400403)

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Product Details

Summary
Reactivity Hu, MuSpecies Glossary
Applications WB
Clone
400403
Clonality
Monoclonal
Host
Rat
Conjugate
Unconjugated
Concentration
LYOPH

Order Details

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Catalog# & Formulation Size Price

R-Spondin 3 Antibody (400403) Summary

Immunogen
E. coli-derived recombinant mouse R-Spondin 3
Ser21-Gly209 (Gln108Lys)
Accession # BAC36296
Specificity
Detects human and mouse R‑Spondin 3 in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant mouse (rm) R‑Spondin 1, recombinant human R‑Spondin 2, or rmR‑Spondin 4 is observed.
Source
N/A
Isotype
IgG2b
Clonality
Monoclonal
Host
Rat
Gene
RSPO3
Purity
Protein A or G purified from hybridoma culture supernatant
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Western Blot 1 ug/mL
Publications
Read Publication using
MAB41201 in the following applications:

  • IHC
    1 publication

Packaging, Storage & Formulations

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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Preservative
No Preservative
Concentration
LYOPH
Purity
Protein A or G purified from hybridoma culture supernatant
Reconstitution Instructions
Reconstitute at 0.5 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for R-Spondin 3 Antibody (400403)

  • Cristin 1
  • CRISTIN1
  • FLJ14440
  • hPWTSR
  • hRspo3
  • Protein with TSP type-1 repeat
  • PWTSR
  • Roof plate-specific spondin-3
  • RSPO3
  • R-spondin 3 homolog (Xenopus laevis)
  • RSpondin 3
  • R-Spondin 3
  • R-spondin-3
  • Thrombospondin type-1 domain-containing protein 2
  • thrombospondin, type I, domain containing 2
  • THSD2

Background

R-Spondin 3 (RSPO3, roof plate-specific spondin 3), also called cysteine-rich and single thrombospondin domain containing-1 (Cristin 1), is an ~31 kDa secreted protein that shares ~40% amino acid (aa) identity with the other three R-Spondin family members (1, 2). All are positive modulators of Wnt/ beta -catenin signaling, but each has a distinct expression pattern (1‑4). Like other R-spondins, R-Spondin 3 contains two adjacent cysteine-rich furin-like domains (aa 35‑135) with one potential N-glycosylation site (aa 36), followed by a thrombospondin (TSP-1) motif (aa 147‑207) and a region rich in basic residues (aa 211‑269). Only the furin-like domains are needed for beta -catenin stabilization (2). Within aa 21‑209, human R-Spondin 3 shares 93%, 92%, 97%, 96% and 92% aa identity with mouse, rat, equine, bovine and canine R-Spondin 3, respectively. Potential isoforms of 279 and 297 aa diverge at aa 210 and 276, respectively (5). Mouse R-Spondin 3 is critical for development of the placental labyrinthine layer, probably by promoting VEGF expression and thus vascular development (6, 7). It is also essential for expression of the placenta‑specific transcription factor, Gcm1. In the mouse embryo, R-Spondin 3 is often expressed by or located near endothelial cells (6). It is found in the roof plate, tail, somites, otic vesicles, cephalic mesoderm, truncus arteriosus, atrioventricular canal of the developing heart, and strongly but transiently in developing limbs (4, 7). R‑Spondins regulate Wnt/ beta -catenin by competing with the Wnt antagonist DKK-1 for binding to the Wnt co-receptors LRP-6 and Kremen, reducing their DKK-1-mediated internalization (8, 9). Reports differ on whether R-Spondins bind LRP-6 directly (8‑10). R-Spondin 3 has also been identified as an oncogene (11).

  1. Chen, J-Z. et al. (2002) Mol. Biol. Rep. 29:287.
  2. Kim, K.-A. et al. (2008) Mol. Biol. Cell 19:2588.
  3. Hendrickx, M. and L. Leyns (2008) Develop. Growth Differ. 50:229.
  4. Nam, J.-S. et al. (2007) Gene Expr. Patterns 7:306.
  5. Entrez Accession # EAW48114 and EAW48116.
  6. Kazanskaya, O. et al. (2008) Development 135:3655.
  7. Aoki, M. et al. (2007) Dev. Biol. 301:218.
  8. Binnerts, M.E. et al. (2007) Proc. Natl. Acad. Sci. USA 104:14700.
  9. Nam, J.-S. et al. (2006) J. Biol. Chem. 281:13247.
  10. Wei, Q. et al. (2007) J. Biol. Chem. 282:15903.
  11. Theodorou, V. et al. (2007) Nat. Genet. 6:759.

Limitations

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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Publications for R-Spondin 3 Antibody (MAB41201)(1)

We have publications tested in 1 confirmed species: Mouse.

We have publications tested in 1 application: IHC.


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Bioinformatics

Gene Symbol RSPO3
Uniprot