Recombinant Mouse R-Spondin 1 Protein, CF

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Recombinant Mouse R-Spondin 1 (Catalog # 3474-RS) induces activation of beta -catenin response in a Topflash Luciferase assay using HEK293T human embryonic kidney cells. The ED50 for this effect is 50‑200 ng/mL ...read more
1 μg/lane of Recombinant Mouse R-Spondin-1 was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing a single band at 24 kDa.

Product Details

Summary
Reactivity MuSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

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Recombinant Mouse R-Spondin 1 Protein, CF Summary

Details of Functionality
Measured by its ability to induce Topflash reporter activity in HEK293T human embryonic kidney cells. The typical ED50 is 50-200 ng/mL in the presence of 5 ng/mL recombinant mouse Wnt-3a.
Source
E. coli-derived mouse R-Spondin 1 protein
Ser21-Gly209, with an N-terminal Met
Accession #
N-terminal Sequence
Met
Protein/Peptide Type
Recombinant Proteins
Gene
Rspo1
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
21 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publications using
3474-RS in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 250 μg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Mouse R-Spondin 1 Protein, CF

  • Cristin 3
  • CRISTIN3
  • FLJ40906Roof plate-specific spondin-1
  • HRspo1
  • roof plate-specific spondin
  • RSPO
  • RSPO1
  • RSpondin 1
  • R-Spondin 1
  • R-spondin homolog (Xenopus laevis)
  • RSPONDIN
  • R-spondin1
  • R-spondin-1

Background

R-Spondin 1 (RSPO1, Roof plate-specific Spondin 1), also known as cysteine-rich and single thrombospondin domain containing protein 3 (Cristin 3), is a 27 kDa secreted protein that shares ~40% amino acid (aa) identity with three other R-Spondin family members (1, 2). All R-Spondins regulate Wnt/ beta-Catenin signaling but have distinct expression patterns (1-3). R-Spondin 1 competes with the Wnt antagonist DKK-1 for binding to the Wnt co-receptors, Kremen and LRP-6, reducing their DKK-1-mediated internalization (4). However, reports are mixed on whether R-Spondin 1 binds LRP-6 directly (4-6). R-Spondin 1 is expressed in early development at the roof plate boundary and is thought to contribute to dorsal neural tube development (3, 7). In humans, rare disruptions of the R-Spondin 1 gene are associated with tendencies for XX sex reversal (phenotypic male) or hermaphroditism, indicating a role for R-Spondin 1 in gender-specific differentiation (7, 8). Mutations in R-Spondin 1 are also linked with palmoplantar keratoderma, abnormal thickening of the skin on the palms of the hands and soles of the feet (7, 8). Postnatally, R-Spondin 1 is expressed by neuroendocrine cells in the intestine, adrenal gland and pancreas, and by epithelia in kidney and prostate (9). Injection of recombinant R-Spondin 1 in mice causes activation of beta-catenin and proliferation of intestinal crypt epithelial cells, and ameliorates experimental colitis (9, 10). Interest in R-Spondin 1 as a cell culture supplement has grown with the expansion of the organoid field. R-Spondin 1 is widely used in organoid cell culture workflows as a vital component that promotes both growth and survival of 3D organoids (11).

Structurally similar to other R-Spondins, R-Spondin 1 contains two adjacent cysteine-rich furin-like domains (aa 34-135) with one potential N-glycosylation site, followed by a thrombospondin (TSP-1) motif (aa 147-207) and a region rich in basic residues (aa 211-263). Only the furin-like domains are needed for beta-catenin stabilization (2, 12). A putative nuclear localization signal at the C-terminus may allow some expression in the nucleus (13). Mouse R‑Spondin 1 shares 98%, 94%, 94%, 93%, 92% and 88% aa identity with rat, human, horse, cow, goat and dog RSPO-1, respectively, within aa 21‑209.

  1. Chen, J-Z. et al. (2002) Mol. Biol. Rep. 29:287.
  2. Kim, K.-A. et al. (2006) Cell Cycle 5:23.
  3. Nam, J.-S. et al. (2007) Gene Expr. Patterns 7:306.
  4. Binnerts, M.E. et al. (2007) Proc. Natl. Acad. Sci. USA 104:14700.
  5. Nam, J.-S. et al. (2006) J. Biol. Chem. 281:13247.
  6. Wei, Q. et al. (2007) J. Biol. Chem. 282:15903.
  7. Kamata, T. et al. (2004) Biochim. Biophys. Acta 1676:51.
  8. Parma, P. et al. (2006) Nat. Genet. 38:1304.
  9. Kim, K.-A. et al. (2005) Science 309:1256.
  10. Zhao, J. et al. (2007) Gastroenterology 132:1331.
  11. Drost and Clevers. (2018) Nature Reviews Cancer 18:407.
  12. Kazanskaya, O. et al. (2004) Dev. Cell 7:525.
  13. Tomaselli, S. et al. (2008) Hum. Mutat. 29:220.

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Publications for R-Spondin 1 (3474-RS)(71)

We have publications tested in 4 confirmed species: Human, Mouse, Porcine, Transgenic Mouse.

We have publications tested in 6 applications: Bioassay, Cell Culture, IHC Control, In Vivo, Organoid Culture, Tissue Culture.


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Bioassay
(59)
Cell Culture
(3)
IHC Control
(1)
In Vivo
(1)
Organoid Culture
(2)
Tissue Culture
(3)
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Human
(4)
Mouse
(64)
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(1)
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Showing Publications 1 - 10 of 71. Show All 71 Publications.
Publications using 3474-RS Applications Species
Chen, C;Centonze, A;Song, Y;Chrisnandy, A;Tika, E;Rezakhani, S;Zahedi, Z;Bouvencourt, G;Dubois, C;Keymeulen, A;Lütolf, M;Sifrim, A;Blanpain, C; Collagen signaling and matrix stiffness regulate multipotency in glandular epithelial stem cells in mice Nature communications 2024-12-18 [PMID: 39695111] (Bioassay, Mouse) Bioassay Mouse
Hentschel, V;Govindarajan, D;Seufferlein, T;Armacki, M; An Adaptable Protocol to Generate a Murine Enteroid-Macrophage Co-Culture System International journal of molecular sciences 2024-07-20 [PMID: 39063188] (Bioassay, Mouse) Bioassay Mouse
Kubrak, O;Jørgensen, AF;Koyama, T;Lassen, M;Nagy, S;Hald, J;Mazzoni, G;Madsen, D;Hansen, JB;Larsen, MR;Texada, MJ;Hansen, JL;Halberg, KV;Rewitz, K; LGR signaling mediates muscle-adipose tissue crosstalk and protects against diet-induced insulin resistance Nature communications 2024-07-20 [PMID: 39033139] (Bioassay, Mouse) Bioassay Mouse
Malviya, G;Lannagan, T;Johnson, E;Mackintosh, A;Bielik, R;Peters, A;Soloviev, D;Brown, G;Jackstadt, R;Nixon, C;Gilroy, K;Campbell, A;Sansom, O;Lewis, D; Noninvasive Stratification of Colon Cancer by Multiplex PET Imaging Clinical Cancer Research 2024-03-17 [PMID: 38493804] (Bioassay, Mouse) Bioassay Mouse
Sakata, N;Yoshimatsu, G;Kawakami, R;Nakano, K;Yamada, T;Yamamura, A;Nagashima, H;Kodama, S; The porcine islet-derived organoid showed the characteristics as pancreatic duct Scientific reports 2024-03-16 [PMID: 38493252] (Bioassay, Porcine) Bioassay Porcine
Malla, SB;Byrne, RM;Lafarge, MW;Corry, SM;Fisher, NC;Tsantoulis, PK;Mills, ML;Ridgway, RA;Lannagan, TRM;Najumudeen, AK;Gilroy, KL;Amirkhah, R;Maguire, SL;Mulholland, EJ;Belnoue-Davis, HL;Grassi, E;Viviani, M;Rogan, E;Redmond, KL;Sakhnevych, S;McCooey, AJ;Bull, C;Hoey, E;Sinevici, N;Hall, H;Ahmaderaghi, B;Domingo, E;Blake, A;Richman, SD;Isella, C;Miller, C;Bertotti, A;Trusolino, L;Loughrey, MB;Kerr, EM;Tejpar, S;Maughan, TS;Lawler, M;Campbell, AD;Leedham, SJ;Koelzer, VH;Sansom, OJ;Dunne, PD; Pathway level subtyping identifies a slow-cycling biological phenotype associated with poor clinical outcomes in colorectal cancer Nature genetics 2024-02-13 [PMID: 38351382] (Bioassay, Mouse) Bioassay Mouse
Jiang, Z;Waterbury, QT;Malagola, E;Fu, N;Kim, W;Ochiai, Y;Wu, F;Guha, C;Shawber, CJ;Yan, KS;Wang, TC; Microbial-dependent recruitment of immature myeloid cells promotes intestinal regeneration Cellular and molecular gastroenterology and hepatology 2023-10-26 [PMID: 37898454] (Organoid Culture, Mouse) Organoid Culture Mouse
Hung, YH;Capeling, M;Villanueva, JW;Kanke, M;Shanahan, MT;Huang, S;Cubitt, R;Rinaldi, VD;Schimenti, JC;Spence, JR;Sethupathy, P; Integrative genome-scale analyses reveal post-transcriptional signatures of early human small intestinal development in a directed differentiation organoid model BMC genomics 2023-10-26 [PMID: 37884859] (Mouse) Mouse
X Huang, T Nero, R Weeraseker, KH Matej, A Hinbest, Z Jiang, RF Lee, L Wu, C Chak, J Nijjer, I Gibaldi, H Yang, N Gamble, WL Ng, SA Malaker, K Sumigray, R Olson, J Yan Vibrio cholerae biofilms use modular adhesins with glycan-targeting and nonspecific surface binding domains for colonization Nature Communications, 2023-04-13;14(1):2104. 2023-04-13 [PMID: 37055389] (Bioassay, Mouse) Bioassay Mouse
TT Lemmetyine, EW Viitala, L Wartiovaar, T Kaprio, J Hagström, C Haglund, P Katajisto, TC Wang, E Domènech-M, S Ollila Fibroblast-derived EGF ligand Neuregulin-1 induces fetal-like reprogramming of the intestinal epithelium without supporting tumorigenic growth Disease Models & Mechanisms, 2023-04-03;0(0):. 2023-04-03 [PMID: 36912192] (Bioassay, Mouse) Bioassay Mouse
Show All 71 Publications.

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Bioinformatics

Gene Symbol Rspo1
Uniprot