Human Galectin-3 Antibody

R&D Systems, part of Bio-Techne | Catalog # AF1154

R&D Systems, part of Bio-Techne
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AF1154
AF1154-SP
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Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

CyTOF-ready, Immunohistochemistry, Intracellular Staining by Flow Cytometry, Simple Western, Western Blot

Cited:

ELISA Capture, ELISA Development (Detection), Flow Cytometry, Immunocytochemistry, Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG

View all Galectin-3 Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human Galectin-3
Ala2-Ile250
Accession # P17931.5

Specificity

Detects human Galectin-3 in direct ELISAs and Western blots.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Human Galectin-3 Antibody

Detection of Human Galectin-3 antibody by Western Blot.

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 (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.
Detection of Human Galectin-3 antibody by Simple WesternTM.

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.
Galectin-3 antibody in Human Colon by Immunohistochemistry (IHC-P).

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; (CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of immersion fixed paraffin-embedded Tissue Sections.
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Applications for Human Galectin-3 Antibody

Application
Recommended Usage

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Immunohistochemistry

5-15 µg/mL
Sample: Immersion fixed paraffin-embedded sections of human colon and lung cancer tissue

Intracellular Staining by Flow Cytometry

2.5 µg/106 cells
Sample: Human PBMCs fixed with paraformaldehyde and permeabilized with saponin

Simple Western

10 µg/mL
Sample: COLO 205 human colorectal adenocarcinoma cell line, MCF‑7 human breast cancer cell line, and U‑118‑MG human glioblastoma/astrocytoma cell line

Western Blot

0.1 µg/mL
Sample: COLO 205 human colorectal adenocarcinoma cell line, MCF‑7 human breast cancer cell line, and U‑118‑MG human glioblastoma/astrocytoma cell line

Reviewed Applications

Read 3 reviews rated 4.7 using AF1154 in the following applications:

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
Qty

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & 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.
  • 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 epsilonBP, 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).

References

  1. Rabinovich, A. et al. (2002) Trends in Immunol. 23:313.
  2. Rabinovich, A. et al. (2002) J. Leukocyte Biology 71:741.
  3. Hughes, R.C. (2001) Biochimie 83:667.
  4. R&D Systems Cytokine Bulletin; Summer 2002.
  5. Gorski, J.P. et al. (2002) J. Biol. Chem. 277:18840.

Alternate Names

AGE-R3, CBP35, GAL3, Galectin3, L29, LGALS3, Mac-2

Entrez Gene IDs

3958 (Human); 16854 (Mouse)

Gene Symbol

LGALS3

UniProt

P17931.5

Additional Galectin-3 Products

Product Documents for Human Galectin-3 Antibody

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human Galectin-3 Antibody

For research use only

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