MHC Class II DQ DR Polymorphic antibody | 28.1

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Mouse anti Sheep MHC Class II DQ DR Polymorphic:RPE

Product Type
Monoclonal Antibody
Product Code Applications Pack Size List Price Quantity
100 Tests loader

Mouse anti Sheep MHC Class II DQ DR antibody, clone 28.1 recognizes a polymorphic epitope on ovine MHC class II DQ and DR molecules, which are constitutively expressed on antigen presenting cells such as dendritic cells, B lymphocytes, monocytes, macrophages, activated T lymphocytes and may be induced on a range of other cell types by interferon gamma.

The major histocompatibility complex (MHC) is a cluster of genes some of which are important in the immune response to infections. In sheep, this complex is referred to as the ovine leukocyte antigen (OLA) region. There are 2 major types of MHC class IIa molecules encoded by the OLA which are DR and DQ each composed of an alpha and beta chain.

Mouse anti Sheep MHC Class II DQ DR antibody, clone 28.1 recognizes ovine MHC II transfectants DQ - T28.1, DQ - T26.2 and DR - T31.3 but not DR - T8.1. (Ballingall, K. et al. 1995).

Product Details

Target Species
Species Cross-Reactivity
Target SpeciesCross Reactivity
N.B. Antibody reactivity and working conditions may vary between species.
Product Form
Purified IgG conjugated to R. Phycoerythrin (RPE) - lyophilized
Reconstitute with 1 ml distilled water
Purified IgG prepared by affinity chromatography on Protein G from tissue culture supernatant
Buffer Solution
Phosphate buffered saline
Preservative Stabilisers
0.09%Sodium Azide
1%Bovine Serum Albumin
Ovine alveolar macrophages.
Fusion Partners
Spleen cells from immunised BALB/c mice were fused with cells of the mouse NS1 myeloma cell line.

Storage Information

Prior to reconstitution store at +4oC. Following reconstitution store at +4oC.

This product should be stored undiluted.

DO NOT FREEZE. This product is photosensitive and should be protected from light. Should this product contain a precipitate we recommend microcentrifugation before use.
12 months from date of despatch

More Information

For research purposes only

Applications of MHC Class II DQ DR Polymorphic antibody

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
Flow Cytometry Neat 1/10
Where this antibody has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the antibody for use in their own system uising appropriate negative/positive controls.
Flow Cytometry
Use 10ul of the suggested working dilution to label 106 cells in 100ul.

Negative Isotype Controls Available

Description Product Code Applications Pack Size List Price Quantity
Mouse IgG1 Negative Control:RPE MCA928PE F 100 Tests loader

Application Based External Images

Flow Cytometry

Product Specific References

References for MHC Class II DQ DR Polymorphic antibody

  1. Puri, N.K. et al. (1985) Sheep lymphocyte antigens (OLA). II. Major histocompatibility complex class II molecules.
    Immunology. 56 (4): 725-33.
  2. Puri, N.K. et al. (1987) Monoclonal antibodies to sheep MHC class I and class II molecules: biochemical characterization of three class I gene products and four distinct subpopulations of class II molecules.
    Vet Immunol Immunopathol. 15 (1-2): 59-86.
  3. Puri, N.K. et al. (1987) Sheep MHC class II molecules. I. Immunochemical characterization.
    Immunology. 62 (4): 567-73.
  4. Puri, N.K. & Brandon, M.R. (1987) Sheep MHC class II molecules. II. Identification and characterization of four distinct subsets of sheep MHC class II molecules.
    Immunology. 62 (4): 575-80.
  5. Puri, N.K. et al. (1987) Monoclonal antibodies to sheep MHC class II molecules recognize all HLA-D or subsets of HLA-D region products.
    Hum Immunol. 20 (3): 195-207.
  6. Ferret-Bernard, S. et al. (2011) Mesenteric lymph node cells from neonates present a prominent IL-12 response to CpG oligodeoxynucleotide via an IL-15 feedback loop of amplification.
    Vet Res. 42:19.
  7. Ballingall. K. et al. (1995) Analysis of the fine specificities of sheep major histocompatibility complex class II - Specific monoclonal antibodies using mouse L - Cell transfectants.
    Anim. Genet. 26: 79-84.
  8. Olivier, M. et al. (2012) Capacities of Migrating CD1b Lymph Dendritic Cells to Present Salmonella Antigens to Naive T Cells.
    PLoS One. 7: e30430.
  9. Arzt, J. et al. (2017) Pathogenesis of virulent and attenuated foot-and-mouth disease virus in cattle.
    Virol J. 14 (1): 89.
  10. Ducournau, C. et al. (2020) Effective Nanoparticle-Based Nasal Vaccine Against Latent and Congenital Toxoplasmosis in Sheep.
    Front Immunol. 11: 2183.

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