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Description
R-spondin-1 Protein, MouseProduct Specification Species Mouse Synonyms R spondin 1, Cysteine rich and single thrombospondin domain containing protein 3 (Cristin 3; mCristin 3), Roof plate specific spondin 1,RSPO1 Accession Q9Z132 Amino Acid Sequence Ser21 Gln265 Expression System HEK293 Molecular Weight 38 40 kDa (Reducing) Purity >95% by Bis Tris PAGE & HPLC. Endotoxin <0. 1EU g Conjugation Unconjugated Tag No Tag Physical Appearance Lyophilized powder Storage Buffer PBS,
Product Specification
| Species | Mouse |
| Synonyms | R-spondin-1, Cysteine-rich and single thrombospondin domain-containing protein 3 (Cristin-3; mCristin-3), Roof plate-specific spondin-1,RSPO1 |
| Accession | Q9Z132 |
| Amino Acid Sequence | Ser21-Gln265 |
| Expression System | HEK293 |
| Molecular Weight | 38-40 kDa (Reducing) |
| Purity | >95% by Bis-Tris PAGE & HPLC. |
| Endotoxin | <0.1EU/μg |
| Conjugation | Unconjugated |
| Tag | No Tag |
| Physical Appearance | Lyophilized powder |
| Storage Buffer | PBS, pH7.4 |
| Reconstitution | Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation. |
| Stability & Storage | ·12 months from date of receipt, lyophilized powder stored at -20 to -80℃. |
| Reference | Nature. 2011 Jan 20;469(7330):415-8. |
Background
The R-spondin (RSPO) family comprises four secreted glycoproteins (RSPO1-4) that function as critical modulators of canonical Wnt/β-catenin signaling. These proteins are characterized by two N-terminal furin-like cysteine-rich domains and a C-terminal thrombospondin type 1 repeat (TSR-1) motif. Mouse models have been instrumental in elucidating RSPO functions, revealing their essential roles in developmental morphogenesis, adult stem cell maintenance, and disease pathogenesis through interactions with LGR4/5/6 receptors and regulation of Wnt receptor availability.
Industrially, recombinant mouse RSPO proteins have become indispensable components in organoid culture systems for drug screening and personalized medicine. Pharmaceutical companies utilize RSPO-based platforms to generate patient-derived intestinal, gastric, hepatic, mammary, and prostate organoids for high-throughput drug testing. Therapeutically, RSPO1 shows promise for treating inflammatory bowel disease, chemotherapy-induced mucositis, and short bowel syndrome by promoting intestinal regeneration. Conversely, anti-RSPO antibodies are under development as cancer therapeutics for RSPO-fusion-positive tumors, representing a targeted approach in precision oncology.
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