SRP3322
R-SPONDIN-2 human
recombinant, expressed in CHO cells, ≥95% (SDS-PAGE), ≥95% (HPLC)
Synonym(s):
RSPO2, Roof plate-specific spondin-2
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About This Item
UNSPSC Code:
12352202
NACRES:
NA.32
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biological source
human
recombinant
expressed in CHO cells
Assay
≥95% (HPLC)
≥95% (SDS-PAGE)
form
lyophilized
mol wt
24.4 kDa
packaging
pkg of 20 μg
impurities
endotoxin, tested
UniProt accession no.
shipped in
wet ice
storage temp.
−20°C
Gene Information
human ... RSPO2(340419)
Related Categories
General description
Recombinant human R-Spondin-2 (R-Spo2) is a 24.4kDa protein consisting of 212 amino acid residues. R-Spo2 is encoded by the gene mapped to human chromosome 8q23.1. The encoded protein belongs to the R-spondin family of secreted proteins. Members of RSpo family contain two furin-like cysteine-rich domains at N- terminal end and thrombospondin structural domain and a basic charged C- terminal domain.
Biochem/physiol Actions
R-Spondin 2 (R-Spo2) plays a vital role in the activation of canonical Wnt signaling pathway, which is essential for normal morphogenesis of the respiratory tract and limbs. R-Spo2 positively regulates Wnt-dependent mineralization of osteoblasts, myogenic differentiation and hypertrophic myotube formation. R-Spo2 is also involved in skeletal development. Aberration in the expression of RSPO2 causes ossification of the posterior longitudinal ligament of the spine (OPLL), resulted by the altered differentiation of spinal ligament MSCs (mesenchymal stem cells) into chondrocytes. R-Spo2 is associated with various developmental processes, such as myogenesis, craniofacial morphogenesis, keratinocyte proliferation, osteoblast maturation, lung and limb development. R-Spo2 interacts with leucine-rich-repeat-containing G-protein-coupled receptor 5 (Lgr5) and stimulates acetylcholine receptor (AChR) clustering at the neuromuscular junction (NMJ).
Physical form
Lyophilized from 10 mM Sodium Phosphate, pH 7.5 + 150 mM NaCl.
Reconstitution
Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-0.5 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Secreted factor R-Spondin 2 is involved in refinement of patterning of the mammalian cochlea.
Mulvaney JF
Developmental Dynamics, 242(2), 179-188 (2013)
R-spondin 2 promotes acetylcholine receptor clustering at the neuromuscular junction via Lgr5.
Nakashima H
Scientific Reports, 6:28512 (2016)
R-spondin 2 is required for normal laryngeal-tracheal, lung and limb morphogenesis.
Bell SM
Development, 135(6), 1049-1058 (2008)
R-Spondin family members regulate the Wnt pathway by a common mechanism.
Kim KA
Molecular Biology of the Cell, 19(6), 2588-2596 (2008)
Masahiro Nakajima et al.
American journal of human genetics, 99(1), 202-207 (2016-07-05)
Ossification of the posterior longitudinal ligament of the spine (OPLL) is a common spinal disorder that results from ectopic ossification of the posterior longitudinal ligament and causes intractable myelopathy and radiculopathy. In a previous genome-wide association study (GWAS), we found
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