Recombinant Mouse Wnt-3a Protein


Recombinant Mouse Wnt-3a (Catalog # 1324-WN) induces alkaline phosphatase production by the MC3T3-E1 mouse preosteoblast cell line. The activity is approximately 10-fold greater than the top competitor's Wnt-3A.

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Reactivity MuSpecies Glossary
Applications Bioactivity

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Recombinant Mouse Wnt-3a Protein Summary

Details of Functionality
Measured by its ability to induce alkaline phosphatase production by MC3T3‑E1 mouse preosteoblast cells. Fischer, L. et al. (2002) J. Biol. Chem. 277:30870. The ED50 for this effect is ≤5 ng/mL. Measured by its ability to induce Topflash reporter activity in HEK293T human embryonic kidney cells.

Protein concentrations should be titrated based on cell type and if appropriate, passage number of the cell line.
Optimal concentrations should be determined by each laboratory for each application.

Chinese Hamster Ovary cell line, CHO-derived mouse Wnt-3a protein
Accession #
N-terminal Sequence
Protein/Peptide Type
Recombinant Proteins
>75%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Note
<1.0 EU per 1 μg of the protein by the LAL method.


Theoretical MW
37 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.
41 kDa, reducing conditions
Read Publications using
1324-WN in the following applications:

Packaging, Storage & Formulations

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.
Lyophilized from a 0.2 μm filtered solution in PBS, EDTA and CHAPS with BSA as a carrier protein.
>75%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Reconstitution Instructions
Reconstitute at 40 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.


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

Alternate Names for Recombinant Mouse Wnt-3a Protein

  • MGC119418
  • MGC119419
  • MGC119420
  • protein Wnt-3a
  • wingless-type MMTV integration site family, member 3A
  • Wnt3a
  • Wnt-3a


Wnt-3a is one of 19 vertebrate members of the Wingless-type MMTV integration site (Wnt) family of highly conserved cysteine-rich secreted glycoproteins important for normal developmental processes (1). Wnts bind to the cell surface Frizzled family receptors in conjunction with low-density lipoprotein receptor-related protein family receptors (LRP5 or 6) resulting in the stabilization of intracellular beta -catenin levels (2). As intracellular beta -catenin levels rise, beta -catenin binds to TCF/LEF transcription factors leading to expression of Wnt target genes (3). Endo-IWR 1 (Catalog # 3532, # PSM1324) is a cell-permeant small molecule inhibitor of Axin turnover that suppresses Wnt signal transduction by stabilizing the beta -catenin destruction complex (4). Wnt-3a is a 44 kDa secreted hydrophobic glycoprotein containing a conserved pattern of 24 cysteine residues (5). Wnt-3a has two N-linked glycosylation sites (Asn 87, Asn 298), and Ser 209 is modified with palmitoleic acid (6). Glycosylation and acylation are essential for efficient Wnt secretion and biological activity, respectively (6, 7). Mouse Wnt-3a shares 96% amino acid (aa) identity with human Wnt-3a, and 97% with bovine and canine Wnt-3a. The rat Wnt-3a precursor shares 100% aa identity with mouse Wnt-3a aa 63-352 (8), and also shares 87% aa identity with Wnt3. During embryonic development, Wnt-3a is necessary for proper development of the hippocampus, anterior-posterior patterning, somite development, and tailbud formation (9-12). Wnt-3a also promotes self-renewal of hematopoietic stem cells, neural stem cells, and embryonic stem cells (13-15).
  1. Willert, K. and Nusse, R. (2012) Cold Spring Harb. Perspect. Biol. 4:a007864.
  2. MacDonald, B.T. and X. He (2012) Cold Spring Harb. Perspect. Biol. 4:a007880.
  3. Korinek, V. et al. (1997) Science 275:1784.
  4. Chen, B. et al. (2009) Nat. Chem. Biol. 5:100.
  5. Smolich, B.D. et al. (1993) Mol. Biol. Cell 4:1267.
  6. Takada, R. et al. (2006) Dev. Cell 11:791.
  7. Komekado, H. (2007) Genes Cells 12:521.
  8. Entrez Accession # NP_001100475.
  9. Dunty Jr. W. C. et al. (2008) Development 135:85.
  10. Ikeya, M. and S. Takada (2001) Mech. Dev. 103:27.
  11. Lee, S. M. et al. (2000) Development 127:457.
  12. Takada, S. et al. (1994) Genes Dev. 8:174.
  13. Willert, K. et al. (2003) Nature 423:6938.
  14. Kalani, M.Y. et al. (2008) Proc. Natl. Acad. Sci. USA 105:16970.
  15. Ten Berge, D. et al. (2011) Nat. Cell Biol. 13:1070.

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Publications for Wnt-3a (1324-WN)(151)

We have publications tested in 5 confirmed species: Human, Mouse, Rat, Chicken, Rabbit.

We have publications tested in 5 applications: Binding Assay, Bioassay, Cell Culture, In Vivo, Organoid Culture.

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Showing Publications 1 - 10 of 151. Show All 151 Publications.
Publications using 1324-WN Applications Species
JP Sah, NTT Hao, X Han, TTT Tran, S McCarthy, Y Oh, JK Yoon Ectonucleotide pyrophosphatase 2 (ENPP2) plays a crucial role in myogenic differentiation through the regulation by WNT/beta-Catenin signaling Int. J. Biochem. Cell Biol., 2019;118(0):105661. 2019 [PMID: 31805399] (Bioassay, Mouse) Bioassay Mouse
W Liang, P Han, EH Kim, J Mak, R Zhang, AG Torrente, JI Goldhaber, E Marbán, HC Cho Canonical Wnt signaling promotes pacemaker cell specification of cardiac mesodermal cells derived from mouse and human embryonic stem cells Stem Cells, 2019;0(0):. 2019 [PMID: 31648393] (Bioassay, Mouse) Bioassay Mouse
D Zhou, H Fu, Y Han, L Zhang, S Liu, L Lin, DB Stolz, Y Liu Sonic hedgehog connects podocyte injury to mesangial activation and glomerulosclerosis JCI Insight, 2019;4(22):. 2019 [PMID: 31647783] (Bioassay, Rat) Bioassay Rat
N Chen, RL Schill, M O'Donnell, K Xu, DP Bagchi, OA MacDougald, RJ Koenig, B Xu The transcription factor NKX1-2 promotes adipogenesis and may contribute to a balance between adipocyte and osteoblast differentiation J. Biol. Chem., 2019;0(0):. 2019 [PMID: 31615896] (Bioassay, Mouse) Bioassay Mouse
C Lee, C Choi, HS Kang, SW Shin, SY Kim, HC Park, SN Hong NOD2 Supports Crypt Survival and Epithelial Regeneration after Radiation-Induced Injury Int J Mol Sci, 2019;20(17):. 2019 [PMID: 31480799] (Bioassay, Mouse) Bioassay Mouse
FM Cernilogar, S Hasenöder, Z Wang, K Scheibner, I Burtscher, M Sterr, P Smialowski, S Groh, IM Evenroed, GD Gilfillan, H Lickert, G Schotta Pre-marked chromatin and transcription factor co-binding shape the pioneering activity of Foxa2 Nucleic Acids Res., 2019;0(0):. 2019 [PMID: 31350899] (Cell Culture, Mouse) Cell Culture Mouse
S Saraswati, SMW Marrow, LA Watch, PP Young Identification of a pro-angiogenic functional role for FSP1-positive fibroblast subtype in wound healing Nat Commun, 2019;10(1):3027. 2019 [PMID: 31289275] (Cell Culture, Human) Cell Culture Human
KL VanDussen, NM Sonnek, TS Stappenbec L-WRN conditioned medium for gastrointestinal epithelial stem cell culture shows replicable batch-to-batch activity levels across multiple research teams Stem Cell Res, 2019;37(0):101430. 2019 [PMID: 30933720] (Bioassay, Human) Bioassay Human
P Shooshtari, A Helness, C Vadnais, N Brouwer, H Beauchemin, R Chen, H Bagci, FJT Staal, JF Coté, T Möröy Gfi1b regulates the level of Wnt/?-catenin signaling in hematopoietic stem cells and megakaryocytes Nat Commun, 2019;10(1):1270. 2019 [PMID: 30894540] (Bioassay, Mouse) Bioassay Mouse
M Chapellier, P Peña-Martí, R Ramakrishn, M Eriksson, M Safaee-Tal, C Orsmark-Pi, H Lilljebjör, C Högberg, A Hagström-A, T Fioretos, J Larsson, M Järås Arrayed molecular barcoding identifies TNFSF13 as a positive regulator of acute myeloid leukemia-initiating cells Haematologica, 2019;0(0):. 2019 [PMID: 30819903] (Bioassay, Mouse) Bioassay Mouse
Show All 151 Publications.

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Gene Symbol Wnt3a