Lgr4/GPR48 Antibody (852229) [Allophycocyanin]

Images

 
HEK293 human embryonic kidney cell line transfected with human Lgr4/GPR48 and eGFP was stained with either (A) Mouse Anti-Human Lgr4/GPR48 APC‑conjugated Monoclonal Antibody (Catalog # FAB7750A) or (B) Mouse IgG2B ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications Flow
Clone
852229
Clonality
Monoclonal
Host
Mouse
Conjugate
Allophycocyanin

Lgr4/GPR48 Antibody (852229) [Allophycocyanin] Summary

Immunogen
NS0 mouse myeloma cell line transfected with human Lgr4/GPR48
Met1-Asp951
Accession # Q9BXB1
Specificity
Detects human Lgr4/GPR48 in Lgr4-transfected cell-based ELISA. Stains human Lgr4/GPR48 transfected but not irrelevant transfected cells in flow cytometry.
Source
N/A
Isotype
IgG2b
Clonality
Monoclonal
Host
Mouse
Gene
LGR4
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Flow Cytometry 10 uL/10^6 cells

Packaging, Storage & Formulations

Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.
Buffer
Supplied in a saline solution containing BSA and Sodium Azide.
Preservative
Sodium Azide

Notes

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

Alternate Names for Lgr4/GPR48 Antibody (852229) [Allophycocyanin]

  • GPR48
  • GPR48G protein-coupled receptor 48
  • G-protein coupled receptor 48
  • leucine-rich repeat containing G protein-coupled receptor 4
  • Lgr4

Background

Lgr4 (Leucine-rich repeat GPR 4), also known as GPR48 (G-Protein-coupled Receptor 48), is a seven-transmembrane glycoprotein receptor in the Lgr family of cell surface receptors (1, 2). While this family includes receptors for hormones such as LH, FSH, TSH, and hCG, the subfamily comprising Lgr4, Lgr5, and Lgr6 are G-protein-independent mediators of the potentiating effect of R-Spondins on Wnt signaling (1-6). Lgr4 binds and forms complexes with R-Spondins, Frizzled Wnt receptors, and LRP Wnt co-receptors (5). It acts, at least in part, by enhancing Wnt-dependent LRP phosphorylation, internalization of LRPs, and accumulation of beta -catenin (3, 4). Human Lgr4 cDNA encodes 951 amino acids (aa), including a long N-terminal Extracellular Domain (ECD, aa 25-544) with 16-17 LRR domains that mediate ligand interaction (1). The LRR-containing ECD of human Lgr4 shares 93% aa sequence identity with mouse, rat and bovine Lgr4, and 50-60% aa identity with human Lgr5 and Lgr6. Lgr4 is widely expressed in both embryo and adult. Expression of Lgr4 mRNA in adult humans is highest in pancreas, followed by liver, heart, muscle, brain, and placenta (1). In rodents, embryonic and adult expression includes liver, kidney, adrenals, bone/cartilage, and heart (2, 7-9). Lgr4 deletion in the mouse affects development in areas of normal expression, for example, it will inhibit fetal liver definitive erythropoiesis (9). Deletion of Lgr4 specifically from stem and progenitor cells in intestinal crypts induces loss of crypts due to insufficient Wnt signaling (5, 6). Lgr4 may be over-expressed in carcinomas and may promote invasiveness and metastasis by down-regulating p27Kip1 expression (10).

  1. Loh, E.D. et al. (2001) Biochem. Biophys. Res. Commun. 282:757.
  2. Hsu, S.Y. et al. (1998) Mol. Endocrinol. 12:1830.
  3. Carmon, K.S. et al. (2011) Proc. Natl. Acad. Sci. USA 108:11452.
  4. Glinka, A. et al. (2011) EMBO Rep. 12:1055.
  5. de Lau, W. et al. (2011) Nature 476:293.
  6. Ruffner, H. et al. (2012) PLoS ONE 7:e40975.
  7. Van Schoore, G. et al. (2005) Histochem. Cell Biol. 124:35.
  8. Mazerbourg, S. et al. (2004) Mol. Endocrinol. 18:2241.
  9. Song, H. et al. (2008) J. Biol. Chem. 283:36687.
  10. Gao, Y. et al. (2006) Cancer Res. 66:11623.

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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Bioinformatics

Gene Symbol LGR4
Entrez
Uniprot