Human Galectin-3 Quantikine ELISA Kit

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  • Assay Type
    Solid Phase Sandwich ELISA
  • Format
    96-well strip plate
  • Assay Length
    4.5 hours
  • Sample Type & Volume Required Per Well
    Cell Culture Supernates (50 uL), Serum (50 uL), EDTA Plasma (50 uL), Heparin Plasma (50 uL)
  • Sensitivity
    0.085 ng/mL
  • Assay Range
    0.3 - 10 ng/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma)
  • Specificity
    Natural and recombinant human Galectin-3.  This assay cross-reacts 58% with Mouse Galectin-3.
  • Cross-reactivity
    < 0.5% cross-reactivity observed with available related molecules.Cross-species reactivity observed with 1 or more species tested.
  • Interference
    No significant interference observed with available related molecules.
Control Available
QC24, Quantikine Immunoassay Control Group 9 - Please Inquire
Product Summary
The Quantikine Human Galectin-3 Immunoassay is a 4.5 hour solid phase ELISA designed to measure Galectin-3 levels in cell culture supernates, serum, and plasma. It contains E. coli-expressed recombinant human Galectin-3 and antibodies raised against the recombinant protein. Results obtained for naturally occurring human Galectin-3 showed linear curves that were parallel to the standard curves obtained using the kit standards. These results indicate that this kit can be used to determine relative mass values for natural human Galectin-3.

Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested on one plate to assess intra-assay precision.
Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in separate assays to assess inter-assay precision.
Cell Culture Supernates
Intra-Assay Precision Inter-Assay Precision
Standard Deviation0.

Serum, EDTA Plasma, Heparin Plasma
Intra-Assay Precision Inter-Assay Precision
Standard Deviation0.


The recovery of Galectin-3 spiked to three different levels throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=4) 102 96-106
EDTA Plasma (n=4) 105 93-113
Heparin Plasma (n=4) 103 95-110
Serum (n=4) 104 94-115
To assess the linearity of the assay, samples containing or spiked with high concentrations of human Galectin-3 in various matrices were diluted with the appropriate Calibrator Diluent to produce samples with values within the dynamic range of the assay.
Human Galectin-3 Quantikine ELISA Kit
Preparation and Storage
  • Storage
    Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Background: Galectin-3
The galectins constitute a large family of carbohydrate-binding proteins that function in many systems both intracellularly and following secretion. Galectins contain either one or two carbohydrate recognition domains (CRR) which mediate recognition of N-acetyl-lactosamine-containing glycoproteins. Some galectins exist in multiple isoforms due to alternative splicing. Individual galectins differ in their tissue distribution and in their carbohydrate-binding specificities.
    • Entrez Gene IDs
      3958 (Human); 16854 (Mouse);
    • Alternate Names
      AGE-R3; Carbohydrate-binding protein 35; CBP 35,35 kDa lectin; CBP35; GAL3; Gal-3; galactin-3; Galactose-specific lectin 3; Galactoside-binding protein; GALBPCBP35; Galectin3; galectin-3; GALIG; IgE-binding protein; L29; L31; L-31; Laminin-binding protein; Lectin L-29; lectin, galactoside-binding, soluble, 3; LGALS2; LGALS3; Mac-2 antigen; Mac-2; MAC2GAL3;
    Related Research Areas
    Assay Procedure
    Refer to the product for complete assay procedure.

    Bring all reagents and samples to room temperature before use. It is recommended that all samples, standards, and controls be assayed in duplicate.
    1.   Prepare all reagents, standard dilutions, and samples as directed in the product insert.
    2.   Remove excess microplate strips from the plate frame, return them to the foil pouch containing the desiccant pack, and reseal.

    3. 100 µL Assay Diluent
    4.   Add 100 µL of Assay Diluent to each well.

    5. 50 µL Standard, Control, or Sample
    6.   Add 50 µL of Standard, control, or sample to each well. Cover with a plate sealer, and incubate at room temperature for 2 hours.
    7.   Aspirate each well and wash, repeating the process 3 times for a total of 4 washes.

    8. 200 µL Conjugate
    9.   Add 200 µL of Conjugate to each well. Cover with a new plate sealer, and incubate at room temperature for 2 hours.
    10.   Aspirate and wash 4 times.

    11. 200 µL Substrate Solution
    12.   Add 200 µL Substrate Solution to each well. Incubate at room temperature for 30 minutes. PROTECT FROM LIGHT.

    13. 50 µL Stop Solution
    14.   Add 50 µL of Stop Solution to each well. Read at 450 nm within 30 minutes. Set wavelength correction to 540 nm or 570 nm.

    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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    Sample Type
    1. Hypoxia potentiates glioma-mediated immunosuppression.
      Authors: Wei J, Wu A, Kong LY, Wang Y, Fuller G, Fokt I, Melillo G, Priebe W, Heimberger AB
      PLoS ONE, 2012;6(1):e16195.
      Species: Human
      Sample Type: Cell Culture Supernates
    2. Galectin-3 in cord blood of term and preterm infants.
      Authors: Demmert M, Faust K, Bohlmann MK, Troger B, Gopel W, Herting E, Hartel C
      Clin. Exp. Immunol., 2012;167(2):246-51.
      Species: Human
      Sample Type: Cell Culture Supernates
    ELISA Controls
    Description Application Cat# Citations Images  

    Quantikine Immunoassay Control Group 9

    Ctrl QC24
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    Supplemental ELISA Products
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    Quantikine Wash Buffer 1

    ELISA WA126 5
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