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6946-RS) co-stimulates beta -catenin response in the HEK293T human embryonic kidney cell line in a dose-dependent manner (orange line). beta -Catenin response elicited by Mouse R-Spondin 2 (40 ng/mL) is neutralized (green line) by increasing concentrations of Rat Anti-Mouse R-Spondin 2 Monoclonal Antibody (Catalog # MAB32661) in the presence of 5 ng/mL of Recombinant Mouse Wnt-3a (Catalog # 1324-WN). The ND50 is typically 0.1-1 µg/ml." class="big_lightbox" target="_blank">
R-spondins (RSPOs), such as RSPO2, are secreted proteins that regulate beta-catenin (CTNNB1; MIM 116806) signaling (Kim et al., 2006 [PubMed 16357527]).[supplied by OMIM]