Human Galectin-3 Antibody
Human Galectin-3 Antibody Summary
Ala2-Ile250
Accession # P17931.5
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
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Detection of Human Galectin‑3 by Western Blot. Western blot shows lysates of COLO 205 human colorectal adenocarcinoma cell line, MCF‑7 human breast cancer cell line, and U‑118‑MG human glioblastoma/astrocytoma cell line. PVDF membrane was probed with 0.1 µg/mL of Goat Anti-Human Galectin‑3 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1154) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for Galectin‑3 at approximately 28 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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Galectin‑3 in Human Colon. Galectin‑3 was detected in formalin fixed paraffin-embedded sections of human colon using Goat Anti-Human Galectin‑3 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1154) at 1.7 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of immersion fixed paraffin-embedded Tissue Sections.
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Detection of Human Galectin‑3 by Simple WesternTM.
Simple Western lane view shows lysates of COLO 205 human colorectal adenocarcinoma cell line, MCF‑7 human breast cancer cell line, and U‑118‑MG human glioblastoma/astrocytoma cell line, loaded at 0.2 mg/mL. A specific band was detected for Galectin‑3 at approximately 37-38 kDa (as indicated) using 10 µg/mL of Goat Anti-Human Galectin‑3 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1154) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). This experiment was conducted under reducing conditions and using the
12-230 kDa separation system.
Reconstitution Calculator
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Galectin-3
The galectins constitute a large family of carbohydrate-binding proteins with specificity for N-acetyl-lactosamine-containing glycoproteins. At least 14 mammalian galectins, which share structural similarities in their carbohydrate recognition domains (CRD), have been identified. The galectins have been classified into the prototype galectins (-1, -2, -5, -7, -10, -11, -13, -14), which contain one CRD and exist either as a monomer or a noncovalent homodimer; the chimera galectins (Galectin-3) containing one CRD linked to a nonlectin domain; and the tandem-repeat galectins (-4, -6, -8, -9, -12) consisting of two CRDs joined by a linker peptide. Galectins lack a classical signal peptide and can be localized to the cytosolic compartments where they have intracellular functions. However, via one or more as yet unidentified non-classical secretory pathways, galectins can also be secreted to function extracellularly. Individual members of the galectin family have different tissue distribution profiles and exhibit subtle differences in their carbohydrate-binding specificities. Each family member may preferentially bind to a unique subset of cell-surface glycoproteins (1-4). Galectin-3, also known as Mac-2, L29, CBP35, and epsilon BP, is a chimera galectin that has a tendency to dimerize. Besides the soluble protein, alternatively spliced forms of chicken Galectin-3 containing a transmembrane-spanning domain and a leucine zipper motif have been reported. Galectin-3 is expressed in tumor cells, macrophages, activated T cells, osteoclasts, epithelial cells, and fibroblasts. It binds various matrix glycoproteins including laminin, fibronectin, LAMPS, 90K/Mac-2BP, MP20, and CEA. Galectin-3 promotes cell growth and proliferation for many cell types. Galectin-3 acts intracellularly to prevent apoptosis. Depending on the cell types, Galectin-3 exhibits pro- or anti-adhesive properties. Galectin-3 has proinflammatory activities in vitro and in vivo. It induces pro-inflammatory and inhibits Th2 type cytokine production. Galectin-3 chemoattracts monocytes and macrophages. It activates and degranulates basophils and mast cells. Elevated circulating levels of Galectin-3 has been show to correlate with the malignant potential of several types of cancer, suggesting that Galectin-3 is also involved in tumor growth and metastasis. Human and mouse Galectin-3 shares approximately 80% amino acid sequence similarity (1-5).
- Rabinovich, A. et al. (2002) Trends in Immunol. 23:313.
- Rabinovich, A. et al. (2002) J. Leukocyte Biology 71:741.
- Hughes, R.C. (2001) Biochimie 83:667.
- R&D Systems Cytokine Bulletin; Summer 2002.
- Gorski, J.P. et al. (2002) J. Biol. Chem. 277:18840.
Product Datasheets
Citations for Human Galectin-3 Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
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Citations: Showing 1 - 6
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Human trophoblast requires galectin-3 for cell migration and invasion
Authors: Ž Boji?-Trbo, M Jovanovi?, A Viloti?, N Kolundži?, I Stefanoska, F Zetterberg, UJ Nilsson, H Leffler, L Vi?ovac
Sci Rep, 2019;9(1):2136.
Species: Human
Sample Types: Basement Membrane Extract
Applications: ELISA Development (Detection) -
Intranuclear accumulation of galectin-3 is an independent prognostic factor for patients with distal cholangiocarcinoma
Authors: T Shimura, Y Kofunato, R Okada, R Yashima, Y Koyama, K Araki, H Kuwano, S Takenoshit
Oncol Lett, 2017;14(1):819-829.
Species: Human
Sample Types: Whole Tissue
Applications: IHC -
Tonsil-derived mesenchymal stem cells alleviate concanavalin A-induced acute liver injury.
Authors: Ryu K, Kim S, Kim Y, Woo S, Sung S, Kim H, Jung S, Jo I, Park J
Exp Cell Res, 2014;326(1):143-54.
Species: Human
Sample Types: Cell Lysates
Applications: Western Blot -
Modulation of endothelial cell migration and angiogenesis: a novel function for the "tandem-repeat" lectin galectin-8.
Authors: Delgado VM, Nugnes LG, Colombo LL, Troncoso MF, Fernandez MM, Malchiodi EL, Frahm I, Croci DO, Compagno D, Rabinovich GA, Wolfenstein-Todel C, Elola MT
FASEB J., 2011;25(1):242-54.
Species: Human
Sample Types: Cell Lysates
Applications: Western Blot -
The galectin profile of the endothelium: altered expression and localization in activated and tumor endothelial cells.
Authors: Thijssen VL, Hulsmans S, Griffioen AW
Am. J. Pathol., 2008;172(2):545-53.
Species: Human
Sample Types: Cell Lysates
Applications: Western Blot -
Sialylation of beta1 integrins blocks cell adhesion to galectin-3 and protects cells against galectin-3-induced apoptosis.
Authors: Zhuo Y, Chammas R, Bellis SL
J. Biol. Chem., 2008;283(32):22177-85.
Species: Human
Sample Types: Cell Lysates
Applications: Western Blot
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