Measured by its ability to induce alkaline phosphatase production by C3H10T1/2 mouse embryonic fibroblast cells. The typical ED50 range is 100-400 ng/mL.
Source
Chinese Hamster Ovary cell line, CHO-derived mouse Wnt-9b protein Ala24-Arg359
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.
Applications/Dilutions
Dilutions
Bioactivity
Theoretical MW
36.8 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.
SDS-PAGE
39-41 kDa, reducing conditions
Publications
Read Publications using 3669-WN/CF in the following applications:
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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS, NaCl, EDTA and CHAPS.
Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Reconstitution Instructions
Reconstitute at 100 μg/mL in PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Mouse Wnt-9b Protein, CF
Protein Wnt-14b
wingless-type MMTV integration site family, member 15
wingless-type MMTV integration site family, member 9B
Wnt-14b
WNT14Bprotein Wnt-9b
Wnt-15
WNT15Protein Wnt-15
Wnt9b
Wnt-9b
Background
Mouse Wnt-9b, previously called Wnt-14b or Wnt-15, is one of about 19 vertebrate members of the Wingless-type MMTV integration site (Wnt) family of highly conserved, cysteine-rich secreted glycoproteins important for normal developmental processes (1-3). Wnts mainly transduce signals by binding to receptors of the Frizzled family, in conjunction with a coreceptor of the low-density lipoprotein receptor-related protein family (LRP-5 or -6) (1, 2). The 359 aa mouse Wnt-9b precursor contains a 336 aa mature region with 24 conserved cysteines (3). Mature mouse Wnt-9b shares 93%, 98%, 92%, 92% and 91% aa identity with human, rat, canine, equine and bovine Wnt-9b, respectively. It is evolutionarily related to Wnt-9a and Wnt-3, which share 63% and 32% aa identity, respectively (4). Wnt-9b mRNA is expressed in late embryos and in adult kidney, with lesser amounts in brain and liver (3, 4). It appears to direct mesenchymal-to-epithelial transition in the kidney and other tissues (5). During kidney development, it is expressed in the ureteric bud and induces mesonephric and metanephric tubulogenesis, nephron development, and caudal extension of the Mullerian duct, acting upstream of Wnt-4 (5-7). Induction is dependent on beta -catenin activity, implicating the canonical signaling pathway (7). Mice devoid of Wnt-9b die shortly after birth due to kidney agenesis, while low expression results in small kidneys with fewer nephrons (1, 5, 6). Mutations of Wnt-9b also cause incompletely penetrant cleft lip and palate in mice, indicating its involvement with facial midline morphogenesis (8, 9). It has weak transforming activity compared to other transforming Wnts (4).
www.stanford.edu/~rnusse/wntwindow.html
Logan, C. Y. and R. Nusse (2004) Annu. Rev. Cell Dev. Biol. 20:781.
Kirikoshi, H. and M. Katoh (2002) Int. J. Mol. Med. 9:135.
Qian, J. et al. (2003) Genomics 81:34.
Carroll, T. J. et al. (2005) Dev. Cell 9:283.
Merkel, C. E. et al. (2007) Pediatr. Nephrol. 22:1825.
Park, J-S. et al. (2007) Development 134:2533.
Lan, Y. et al. (2006) Dev. Dyn. 235:1448.
Juriloff, D. M. and M. J. Harris (2008) Birth Defects Res. A Clin. Mol. Teratol. 82:63.
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