Human Galectin-3BP/MAC-2BP Quantikine ELISA Kit

  • Assay Type
    Solid Phase Sandwich ELISA
  • Format
    96-well strip plate
  • Assay Length
    4.5 hours
  • Specificity
    Natural and recombinant human Galectin-3BP/MAC-2BP
  • Cross-reactivity
    < 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
  • Interference
    No significant interference observed with available related molecules.
Control Available
Product Summary
The Quantikine Human Galectin-3BP/MAC-2BP Immunoassay is a 4.5 hour solid phase ELISA designed to measure Galectin-3BP in cell culture supernates, serum, plasma, saliva, and urine. It contains NS0-expressed recombinant human Galectin-3BP and antibodies raised against the recombinant factor. This immunoassay has been shown to accurately quantitate recombinant human Galectin-3BP. Results obtained using natural human Galectin-3BP showed linear curves that were parallel to the standard curves obtained using the Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for natural human Galectin-3BP.

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 a known concentration were tested in twenty separate assays to assess inter-assay precision. Assays were performed by at least three technicians using two lots of kit components.
Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Saliva, Urine
Intra-Assay Precision Inter-Assay Precision
Standard Deviation0.0270.080.2440.0780.2250.434


The recovery of human Galectin-3BP spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay.

Sample Type Average % Recovery Range %
Cell Culture Media (n=8) 99 95-101
Saliva (n=4) 91 82-101
Urine (n=4) 104 98-111
To assess the linearity of the assay, samples containing high concentrations of Galectin-3BP were serially diluted with the appropriate Calibrator Diluent to produce samples with values within the dynamic range of the assay. Samples were diluted prior to assay.
Human Galectin-3BP/MAC-2BP Quantikine ELISA Kit
Preparation and Storage
  • Storage
    Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Background: Galectin-3BP/MAC-2BP
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.
    • Long Name
      Galectin-3 Binding Protein
    • Entrez Gene IDs
      3959 (Human);
    • Alternate Names
      90K; Basement membrane autoantigen p105; BTBD17B; galectin-3-binding protein; Galectin3BP; L3 antigen; Lectin galactoside-binding soluble 3-binding protein; lectin, galactoside-binding, soluble, 3 binding protein; LGALS3BP; M2BP; Mac-2 BP; Mac-2-binding protein; MAC2BP; MAC-2BP; MAC-2-BP; serum protein 90K; Tumor-associated antigen 90K;
    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. 50 µL Assay Diluent
    4.   Add 50 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 on a horizontal orbital microplate shaker.
    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 on the shaker.
    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 on the benchtop. 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.
    ELISA Controls
    Description Application Cat# Citations Images  

    Quantikine Immunoassay Control Set 788 Human Galectin-3BP

    Ctrl QC95
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    Supplemental ELISA Products
    Description Application Cat# Citations Images  

    Quantikine Wash Buffer 1

    ELISA WA126 5
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