- Regulatory Status
- RUO
- Other Names
- LGALS3, L34, GAL3, MAC2, GBP,
- Ave. Rating
- Submit a Review
- Product Citations
- publications
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Immobilized recombinant mouse Galectin-3 supports the adhesion of D10.G4.1 mouse helper T cells in a dose-dependent manner. ED50 for this effect is 2 - 8 µg/mL.
Cat # | Size | Price | Quantity Check Availability | Save | ||
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599804 | 25 µg | $147 | ||||
599806 | 100 µg | $347 |
Galectin-3 is a member of the lectin family, which includes 15 mammalian lectin members. Like all galectins, galectin-3 contains a carbohydrate recognition binding domain of about 130 amino acids that enables the specific binding of β-galactosides. This protein has been shown to be involved in cell adhesion, cell activation, chemoattraction, cell growth and differentiation, cell cycle, and apoptosis. Galectin-3 induces pro-inflammatory cytokines and inhibits Th2 type cytokine production. It chemoattracts monocytes and macrophages, and activates and degranulates basophils and mast cells. It was reported that galectin-3 knock-out mice demonstrated reduced phagocytic properties in macrophages and Kupffer cells, indicating that this protein is involved in macrophage phagocytosis. Galectin-3 has been shown to be involved in cancer, inflammation, fibrosis, heart disease, and stroke. It has also been shown that the expression of galectin-3 is implicated in a variety of processes associated with heart failure, including myofibroblast proliferation, tissue repair, inflammation, fibrogenesis, and ventricular remodeling. In addition, galectin-3 was found to contribute to tumor cell evasion of the immune system. Galectin-3 is increasingly being used as a diagnostic marker for different cancers. It can be screened for and used as a prognostic factor to predict the progression of the cancer. Overexpression of galectin-3 is associated with neoplastic transformation, enhancement of tumor cell adhesion to the extracellular matirx, and the subsequent metastatic spreading of cancer cells.
Product DetailsProduct Details
- Source
- Mouse galectin-3, amino acids (Ala2-Ile264) (Accession# NP_034835.1) with an N-terminal 9His-2(SGGG)-IEGR tag, was exprssed in 293E cells.
- Molecular Mass
- This 284 amino acid recombinant protein has a predicted molecular mass of approximately 29.5 kD. The protein migrates as above 45 kD in SDS-PAGE in DTT-reducing and non-reducing conditions. The predicted N-terminal amino acid is His.
- Purity
- >95%, as determined by Coomassie stained SDS-PAGE.
- Formulation
- 0.22 µm filtered protein solution is in 10 mM NaH2PO4, 0.3 M NaCl, 1 mM EDTA, 2 mM DTT.
- Endotoxin Level
- Less than 0.1 EU per µg of protein as determine by the LAL method.
- Concentration
- 10 and 25 µg sizes are bottled at 200 µg/mL. 100 µg size and larger sizes are lot-specific and bottled at the concentration indicated on the vial. To obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.
- Storage & Handling
- Unopened vial can be stored between 2°C and 8°C for up to 2 weeks, at -20°C for up to six months, or at -70°C or colder until the expiration date. For maximum results, quick spin vial prior to opening. The protein can be aliquoted and stored at -20°C or colder. Stock solutions can also be prepared at 50 - 100 µg/mL in appropriate sterile buffer, carrier protein such as 0.2 - 1% BSA or HSA can be added when preparing the stock solution. Aliquots can be stored between 2°C and 8°C for up to one week and stored at -20°C or colder for up to 3 months. Avoid repeated freeze/thaw cycles.
- Activity
- Recombinant mouse galectin-3 is able to agglutinate human red blood cells with an ED50 of 2.0 - 8.0 µg/ml, corresponding to a specific activity of 2.5 - 10.0 x 105 units/mg.Immobilized recombinant mouse Galectin-3 supports the adhesion of D10.G4.1 mouse helper T cells in a dose-dependent manner. ED50 for this effect is 2 - 8 µg/mL.
- Application
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Bioassay
- Application Notes
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BioLegend carrier-free recombinant proteins provided in liquid format are shipped on blue-ice. Our comparison testing data indicates that when handled and stored as recommended, the liquid format has equal or better stability and shelf-life compared to commercially available lyophilized proteins after reconstitution. Our liquid proteins are verified in-house to maintain activity after shipping on blue ice and are backed by our 100% satisfaction guarantee. If you have any concerns, contact us at tech@biolegend.com.
- Product Citations
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Antigen Details
- Structure
- Monomer
- Distribution
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Galectin-3 is expressed by macrophages and various organs and tissue, except by normal hepatocytes.
- Function
- This protein plays a role in numerous cellular functions including apoptosis, innate immunity, cell adhesion, T cell regulation, and tumor metastasis. During IL-8 induced transmigration, Galectin-3 expression and localization changes when neutrophils adhere to endothelia.
- Interaction
- Extracellular matrix.
- Ligand/Receptor
- Galectin-3 binds to fibronectin, laminin, CEA, LAMPS, 90K/Mac2BP, and MP20.
- Bioactivity
- Mouse Galectin-3 is able to agglutinate human red blood cells.
- Biology Area
- Apoptosis/Tumor Suppressors/Cell Death, Cell Adhesion, Cell Biology, Cell Motility/Cytoskeleton/Structure, Immunology, Stem Cells
- Molecular Family
- Adhesion Molecules
- Antigen References
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1. Hadari YR, et al. 2000. J. Cell Sci. 113:2385.
2. Dawson H, et al. 2013. Anticancer Res. 33:3053.
3. Newlaczyl AU, and Yu LG. 2011. Cancer Lett. 313:123.
4. Henderson N and Mackinnon AC. 2006. Proc. Natl. Acad. Sci. USA. 103:5060.
5. Sano, H, et al. 2000. J. Immunol. 165:2156.
6. Gao P, et al. 2013. Resp. Res. 14:136.
7. Gil CD, et al. 2006. Cell Biol. Int. 30:338. - Gene ID
- 16854 View all products for this Gene ID
- UniProt
- View information about Galectin-3 on UniProt.org
Related FAQs
- Why choose BioLegend recombinant proteins?
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• Each lot of product is quality-tested for bioactivity as indicated on the data sheet.
• Greater than 95% Purity or higher, tested on every lot of product.
• 100% Satisfaction Guarantee for quality performance, stability, and consistency.
• Ready-to-use liquid format saves time and reduces challenges associated with reconstitution.
• Bulk and customization available. Contact us.
• Learn more about our Recombinant Proteins. - How does the activity of your recombinant proteins compare to competitors?
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We quality control each and every lot of recombinant protein. Not only do we check its bioactivity, but we also compare it against other commercially available recombinant proteins. We make sure each recombinant protein’s activity is at least as good as or better than the competition’s. In order to provide you with the best possible product, we ensure that our testing process is rigorous and thorough. If you’re curious and eager to make the switch to BioLegend recombinants, contact your sales representative today!
- What is the specific activity or ED50 of my recombinant protein?
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The specific activity range of the protein is indicated on the product datasheets. Because the exact activity values on a per unit basis can largely fluctuate depending on a number of factors, including the nature of the assay, cell density, age of cells/passage number, culture media used, and end user technique, the specific activity is best defined as a range and we guarantee the specific activity of all our lots will be within the range indicated on the datasheet. Please note this only applies to recombinants labeled for use in bioassays. ELISA standard recombinant proteins are not recommended for bioassay usage as they are not tested for these applications.
- Have your recombinants been tested for stability?
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Our testing shows that the recombinant proteins are able to withstand room temperature for a week without losing activity. In addition the recombinant proteins were also found to withstand four cycles of freeze and thaw without losing activity.
- Does specific activity of a recombinant protein vary between lots?
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Specific activity will vary for each lot and for the type of experiment that is done to validate it, but all passed lots will have activity within the established ED50 range for the product and we guarantee that our products will have lot-to-lot consistency. Please conduct an experiment-specific validation to find the optimal ED50 for your system.
- How do you convert activity as an ED50 in ng/ml to a specific activity in Units/mg?
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Use formula Specific activity (Units/mg) = 10^6/ ED50 (ng/mL)
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