Recombinant Human R-spondin-2(RSPO2)

Code CSB-YP751021HU
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Source Yeast
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Code CSB-EP751021HU
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Source E.coli
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Code CSB-EP751021HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP751021HU
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Source Baculovirus
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Code CSB-MP751021HU
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names RSPO2
Uniprot No. Q6UXX9
Alternative Names RSPO2; UNQ9384/PRO34209; R-spondin-2; Roof plate-specific spondin-2; hRspo2
Species Homo sapiens (Human)
Expression Region 22-243
Protein Length Full Length of Mature Protein
Tag Info The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Background

Activator of the canonical Wnt signaling pathway by acting as a ligand for LGR4-6 receptors. Upon binding to LGR4-6 (LGR4, LGR5 or LGR6), LGR4-6 associate with phosphorylated LRP6 and frizzled receptors that are activated by extracellular Wnt receptors, triggering the canonical Wnt signaling pathway to increase expression of target genes. Also regulates the canonical Wnt/beta-catenin-dependent pathway and non-canonical Wnt signaling by acting as an inhibitor of ZNRF3, an important regulator of the Wnt signaling pathway. During embryonic development, plays a crucial role in limb specification, amplifying the Wnt signaling pathway independently of LGR4-6 receptors, possibly by acting as a direct antagonistic ligand to RNF43 and ZNRF3, hence governing the number of limbs an embryo should form.
Gene References into Functions
  1. results establish that RSPO2, without the LGR4/5/6 receptors, serves as a direct antagonistic ligand to RNF43 and ZNRF3, which together constitute a master switch that governs limb specification; these findings have direct implications for regenerative medicine and WNT-associated cancers PMID: 29769720
  2. RSPO2 is a novel target gene of the NOBOX key transcription factor, confirming its important role during the follicular growth in ovary. However, RSPO2 mutations are rare or uncommon in women with primary ovarian insufficiency. PMID: 28743298
  3. Novel targets ANTXR1 and RSPO2 were confirmed to be suppressed by miR-493 directly. PMID: 28651234
  4. RSPOs facilitate HSC activation and promote liver fibrogenesis by enhancing the Wnt pathway PMID: 27572318
  5. Role of RSPO2 in gastric cancer PMID: 28219935
  6. RSPO2 suppresses colorectal cancer metastasis by counteracting the Wnt5a/Fzd7-driven noncanonical Wnt pathway. PMID: 28600110
  7. genetic and functional data indicate that RSPO2 is a susceptibility gene for OPLL (Ossification of the Posterior Longitudinal Ligament of the Spine) PMID: 27374772
  8. Rspo2 was found to have a negative regulatory effect during oxidized low density lipoproteininduced macrophage apoptosis by regulating lipid uptake. PMID: 27571704
  9. data reveal a RSPO2-induced, LGR5-dependent Wnt signaling-negative feedback loop that exerts a net growth-suppressive effect on CRC cells PMID: 24476626
  10. results suggest that the expression of RSPO fusion transcripts is related to a subset of colorectal cancers arising in the Japanese population PMID: 24847761
  11. Wnt(high) cells were more likely to give rise to Wnt(high) progeny, tended to be more metastatic, and revealed higher levels of RSPO2 expression. PMID: 25769727
  12. These findings suggest that R-Spondin2 may promote hepatic stellate cell activation by enhancing the canonical Wnt pathway. PMID: 24852883
  13. Oocyte-derived R-spondin2 is a paracrine factor essential for primary ovarian follicle development PMID: 23407710
  14. using RNA-seq data, identification of multiple fusion transcripts including recurrent gene fusions involving R-spondin family members RSPO2 and RSPO3 that together occur in 10% of colon tumours PMID: 22895193
  15. Reduced Rspo-2 levels in osteoarthritis osteoblasts are responsible, at least in part, for their reduced Wnt/beta-catenin signaling and abnormal mineralization. PMID: 22127703
  16. There is a role for R-spondin2 in keratinocyte proliferation and epidermal thickening in keloid scarring. PMID: 21160497

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Subcellular Location Secreted.
Protein Families R-spondin family
Database Links

HGNC: 28583

OMIM: 610575

KEGG: hsa:340419

STRING: 9606.ENSP00000276659

UniGene: Hs.444834

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7505 Fannin St. Ste 610-312, Houston, TX 77054, USA
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