Human CEACAM-1/CD66a DuoSet ELISA

Catalog # Availability Size / Price Qty
DY2244
Ancillary Products Available
Human CEACAM-1 / CD66a ELISA Standard Curve
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Product Details
Procedure
Citations (6)
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Human CEACAM-1/CD66a DuoSet ELISA Summary

Assay Type
Solid Phase Sandwich ELISA
Format
96-well strip plate
Sample Volume Required
100 µL
Assay Range
93.8 - 6,000 pg/mL
Sufficient Materials
For fifteen 96-well plates*
Specificity
Please see the product datasheet

* Provided that the recommended microplates, buffers, diluents, substrates and solutions are used, and the assay is run as summarized in the Assay Procedure provided.

This DuoSet ELISA Development kit contains the basic components required for the development of sandwich ELISAs to measure natural and recombinant human CEACAM-1. The suggested diluent is suitable for the analysis of most cell culture supernate samples. Diluents for complex matrices, such as serum and plasma, should be evaluated prior to use in this DuoSet.

 

Product Features

  • Optimized capture and detection antibody pairings with recommended concentrations save lengthy development time
  • Development protocols are provided to guide further assay optimization
  • Assay can be customized to your specific needs
  • Economical alternative to complete kits

Kit Content

  • Capture Antibody
  • Detection Antibody
  • Recombinant Standard
  • Streptavidin conjugated to horseradish-peroxidase (Streptavidin-HRP)

Other Reagents Required

DuoSet Ancillary Reagent Kit 2 (5 plates): (Catalog # DY008) containing 96 well microplates, plate sealers, substrate solution, stop solution, plate coating buffer (PBS), wash buffer, and Reagent Diluent Concentrate 2.

The components listed above may be purchased separately:

PBS: (Catalog # DY006), or 137 mM NaCl, 2.7 mM KCl, 8.1 mM Na2HPO4, 1.5 mM KH2PO4, pH 7.2 - 7.4, 0.2 µm filtered

Wash Buffer: (Catalog # WA126), or 0.05% Tween® 20 in PBS, pH 7.2-7.4

Reagent Diluent: (Catalog # DY995), or 1% BSA in PBS, pH 7.2-7.4, 0.2 µm filtered

Substrate Solution: 1:1 mixture of Color Reagent A (H2O2) and Color Reagent B (Tetramethylbenzidine) (Catalog # DY999)

Stop Solution: 2 N H2SO4 (Catalog # DY994)

Microplates: R&D Systems (Catalog # DY990)

Plate Sealers: ELISA Plate Sealers (Catalog # DY992)

Scientific Data

Human CEACAM-1 / CD66a ELISA Standard Curve

Product Datasheets

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Preparation and Storage

Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: CEACAM-1/CD66a

CEACAM-1, also known as CD66a, is an immunoglobulin superfamily protein that is expressed on neutrophils, activated NK cells, bile duct and colonic epithelial cells, and endothelial cells. CEACAM-1 is heavily glycosylated and carries high mannose residues and (sialyl) Lewis-x. It is expressed as at least three soluble and seven transmembrane isoforms, with variations occurring in both the ECD and cytoplasmic region. It engages in homotypic adhesion and heterotypic adhesion with CEACAM-3/CD66d and CEACAM-6/CD66c. On neutrophils, CEACAM-1 additionally binds to dendritic cell DC-SIGN via its Lewis-x moiety, inducing dendritic cell maturation and a subsequent Th1-type response.

Long Name:
Carcinoembryonic Antigen-related Cell Adhesion Molecule 1
Entrez Gene IDs:
634 (Human); 26365 (Mouse); 102139857 (Cynomolgus Monkey)
Alternate Names:
antigen CD66; BGP1; BGP-1; BGP1BGPBiliary glycoprotein 1; BGPI; Biliary Glycoprotein 1; biliary glycoprotein adhesion molecule; carcinoembryonic antigen-related cell adhesion molecule 1 (biliaryglycoprotein); carcinoembryonic antigen-related cell adhesion molecule 1; CD66a antigen; CD66a; Cea-1; CEACAM1; CEACAM-1; Hv-1; Hv-2; MHVR

Assay Procedure

GENERAL ELISA PROTOCOL

Plate Preparation

  1. Dilute the Capture Antibody to the working concentration in PBS without carrier protein. Immediately coat a 96-well microplate with 100 μL per well of the diluted Capture Antibody. Seal the plate and incubate overnight at room temperature.
  2. Aspirate each well and wash with Wash Buffer, repeating the process two times for a total of three washes. Wash by filling each well with Wash Buffer (400 μL) using a squirt bottle, manifold dispenser, or autowasher. Complete removal of liquid at each step is essential for good performance. After the last wash, remove any remaining Wash Buffer by aspirating or by inverting the plate and blotting it against clean paper towels.
  3. Block plates by adding 300 μL Reagent Diluent to each well. Incubate at room temperature for a minimum of 1 hour.
  4. Repeat the aspiration/wash as in step 2. The plates are now ready for sample addition.

Assay Procedure

  1. Add 100 μL of sample or standards in Reagent Diluent, or an appropriate diluent, per well. Cover with an adhesive strip and incubate 2 hours at room temperature.
  2. Repeat the aspiration/wash as in step 2 of Plate Preparation.
  3. Add 100 μL of the Detection Antibody, diluted in Reagent Diluent, to each well. Cover with a new adhesive strip and incubate 2 hours at room temperature.
  4. Repeat the aspiration/wash as in step 2 of Plate Preparation.
  5. Add 100 μL of the working dilution of Streptavidin-HRP to each well. Cover the plate and incubate for 20 minutes at room temperature. Avoid placing the plate in direct light.
  6. Repeat the aspiration/wash as in step 2.
  7. Add 100 μL of Substrate Solution to each well. Incubate for 20 minutes at room temperature. Avoid placing the plate in direct light.
  8. Add 50 μL of Stop Solution to each well. Gently tap the plate to ensure thorough mixing.
  9. Determine the optical density of each well immediately, using a microplate reader set to 450 nm. If wavelength correction is available, set to 540 nm or 570 nm. If wavelength correction is not available, subtract readings at 540 nm or 570 nm from the readings at 450 nm. This subtraction will correct for optical imperfections in the plate. Readings made directly at 450 nm without correction may be higher and less accurate.

 

Citations for Human CEACAM-1/CD66a DuoSet ELISA

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.

6 Citations: Showing 1 - 6
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  1. Plasma biomarkers of the amyloid pathway are associated with geographic atrophy secondary to age-related macular degeneration
    Authors: K Lashkari, GC Teague, U Beattie, J Betts, S Kumar, MM McLaughlin, FJ López
    PLoS ONE, 2020-08-07;15(8):e0236283.
    Species: Human
    Sample Types: Plasma
  2. Investigating a novel multiplex proteomics technology for detection of changes in serum protein concentrations that may correlate to tumor burden
    Authors: AH Ren, I Prassas, A Soosaipill, S Jarvi, S Gallinger, V Kulasingam, EP Diamandis
    F1000Research, 2020-07-20;9(0):732.
    Species: Human
    Sample Types: Serum
  3. Association of circulating CEACAM1 levels and insulin sensitivity in gestational diabetes mellitus
    Authors: Y Wu, Z Yang, L Zhu, Q Su, L Qin
    BMC Endocr Disord, 2020-05-15;20(1):66.
    Species: Human
    Sample Types: Serum
  4. A multiplex immunoassay of serum biomarkers for the detection of uveal melanoma
    Authors: J Song, SL Merbs, LJ Sokoll, DW Chan, Z Zhang
    Clin Proteomics, 2019-03-05;16(0):10.
  5. Serum CA19-9 is significantly upregulated up to 2 years before diagnosis with pancreatic cancer: implications for early disease detection.
    Authors: O'Brien D, Sandanayake N, Jenkinson C, Gentry-Maharaj A, Apostolidou S, Fourkala E, Camuzeaux S, Blyuss O, Gunu R, Dawnay A, Zaikin A, Smith R, Jacobs I, Menon U, Costello E, Pereira S, Timms J
    Clin Cancer Res, 2014-06-17;21(3):622-31.
    Species: Human
    Sample Types: Serum
  6. Plasma markers for identifying patients with metastatic melanoma.
    Authors: Kluger HM, Hoyt K, Bacchiocchi A, Mayer T, Kirsch J, Kluger Y, Sznol M, Ariyan S, Molinaro A, Halaban R
    Clin. Cancer Res., 2011-04-12;17(8):2417-25.
    Species: Human
    Sample Types: Plasma

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