RSPO3 Antibody – Monoclonal

This gene belongs to the R-spondin family. The encoded protein plays a role in the regulation of Wnt (wingless-type MMTV integration site family)/beta-catenin and Wnt/planar cell polarity (PCP) signaling pathways, which are involved in development, cell growth and disease pathogenesis. Genome-wide association studies suggest a correlation of this gene with bone mineral density and risk of fracture. This gene may be involved in tumor development. [provided by RefSeq, Jul 2013]

R-spondin-3: Activator of the beta-catenin signaling cascade, leading to TCF-dependent gene activation. Acts both in the canonical Wnt/beta-catenin-dependent pathway and in non-canonical Wnt signaling pathway, probably by acting as an inhibitor of ZNRF3, an important regulator of the Wnt signaling pathway. Acts as a ligand for frizzled FZD8 and LRP6. May negatively regulate the TGF-beta pathway. Belongs to the R-spondin family. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Cell development/differentiation; Secreted, signal peptide; Secreted

Chromosomal Location of Human Ortholog: 6q22.33

Cellular Component: extracellular space; extracellular region

Molecular Function: heparin binding; G-protein-coupled receptor binding; frizzled binding; receptor binding

Biological Process: Wnt receptor signaling pathway through beta-catenin