Human Galectin-1 Biotinylated Antibody BAF1152: R&D Systems

Human Galectin-1 Biotinylated Antibody

(2 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human Galectin-1 in Western blots. In this format, approximately 20% cross-reactivity with recombinant mouse Galectin‑1 is observed and less than 5% cross-reactivity with recombinant human (rh) Galectin-2, rhGalectin-4, rhGalectin-7, and rhGalectin-8 is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human Galectin‑1 (R&D Systems, Catalog # 1152-GA)
    Ala2-Asp135
    Accession # P09382
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
  • Label
    Biotin
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.2 µg/mL
    See below
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
Detection of Human Galectin‑1 by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line and PC‑3 human prostate cancer cell line. PVDF membrane was probed with 0.2 µg/mL of Goat Anti-Human Galectin‑1 Biotinylated Antigen Affinity-purified Polyclonal Antibody (Catalog # BAF1152) followed by Streptavidin-HRP. A specific band was detected for Galectin‑1 at approximately 14 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it 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-1

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 to date. 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-1, also known as L-14, BHL and galaptin, is a monomeric or homodimeric prototype galectin that is expressed in a variety of cells and tissues including muscle, heart, liver, prostate, lymph nodes, spleen, thymus, placenta, testis, retina, macrophages, B cells, T cells, dendritic cells and tumor cells. It preferentially binds laminin, fibronectin, 90K/Mac-2BP, CD45, CD43, CD7, CD2, CD3 and ganglioside GM1. Galectin-1 modulates cell growth and proliferation, either positively or negatively, depending on the cell type and activation status. It controls cell survival by inducing apoptosis of activated T cells and immature thymocytes. It modulates cytokine secretion by inducing Th2 type cytokines and inhibiting pro-inflammatory cytokine production. Galectin-1 can also modulate cell-cell as well as cell-matrix interactions and depending on the cell type and developmental stage, promote cell attachment or detachment. Galectin-1 has immunosuppressive and anti-inflammatory properties and has been shown to suppress acute and chronic inflammation and autoimmunity. Human and mouse galectin-1 share about 88% amino acid sequence similarity (1-4).

  • 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.
  • Entrez Gene IDs:
    3956 (Human); 16852 (Mouse)
  • Alternate Names:
    14 kDa laminin-binding protein; 14 kDa lectin; Beta-galactoside-binding lectin L-14-I; BHL; DKFZp686E23103; GAL1; gal-1; Galaptin; galectin 1; Galectin1; Galectin-1; GBP; HBL; HLBP14; HPL; L-14; Lactose-binding lectin 1; Lectin galactoside-binding soluble 1; lectin, galactoside-binding, soluble, 1; LGALS1; Putative MAPK-activating protein PM12; S-Lac lectin 1
Related Research Areas
Citations:

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.

2 Citations: Showing 1 - 2
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Species
Applications
Sample Type
  1. Serum galectin-1 in patients with multiple myeloma: associations with survival, angiogenesis, and biomarkers of macrophage activation
    Authors: MN Andersen, M Ludvigsen, N Abildgaard, I Petruskevi, R Hjortebjer, M Bjerre, B Honoré, HJ Møller, NF Andersen
    Onco Targets Ther, 2017;10(0):1977-1982.
    Species: Human
    Sample Type: Serum
    Application: ELISA detection
  2. Mesenchymal stem cell-mediated T cell suppression occurs through secreted galectins.
    Authors: Sioud M, Mobergslien A, Boudabous A, Floisand Y
    Int. J. Oncol., 2011;38(2):385-90.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
Isotype Controls
Description Application Cat# Citations Images  

Normal Goat IgG Biotinylated Control

Ctrl BAF108 19
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Staining Reagents
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Streptavidin-Phycoerythrin

Flow F0040 7
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Streptavidin-Alkaline Phosphatase

ELISA(Det) AR001 2
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NorthernLights Streptavidin NL557

Flow, IHC, ICC NL999 4
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NorthernLights Streptavidin NL637

Flow, IHC, ICC NL998 2
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NorthernLights Streptavidin NL493

Flow, IHC, ICC NL997 1
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Streptavidin-Allophycocyanin

Flow F0050 1
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Avidin-Fluorescein

Flow F0030 1
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Supplemental Cell Selection Products
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MagCellect Streptavidin Ferrofluid

MAG999B 4
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MagCellect Streptavidin Ferrofluid

MAG999 4
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Supplemental ELISA Products
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Streptavidin-HRP

ELISA DY998 44
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EvenCoat Streptavidin Coated Plates

ELISA CP004
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EvenCoat Streptavidin Coated Plates, 5 Pack

ELISA CP003 3
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