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CD18 antibody | YFC118.3

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F 100 Tests loader
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Rat anti Human CD18 antibody, clone YFC118.3 was clustered at the Fourth International Workshop on Leucocyte Differentiation Antigens (code number N221) as recognizing the CD18 antigen.

CD18 is an integral membrane glycoprotein of ~95 kDa, also known as the beta 2 chain, of the LFA-1 complex. CD18 links non-covalently to either CD11a, b or c molecules forming the heteromeric LFA-1 complex. CD18 acts as the receptor for ICAM-1 and is important for cell adhesion and cell-cell interactions (Reina &Espel 2017).

Rat anti Human CD18 antibody, clone YFC118.3 demonstrates strong reactivity with leucocytes and is not reactive with platelets.

Target Species
Species Cross-Reactivity
Target SpeciesCross Reactivity
Guinea Pig
N.B. Antibody reactivity and working conditions may vary between species.
Product Form
Purified IgG conjugated to Fluorescein Isothiocyanate Isomer 1 (FITC) - liquid
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
Human neutrophils
Approx. Protein Concentrations
IgG concentration 0.1mg/ml
Fusion Partners
Spleen cells from immunized LOU rats were fused with cells of the rat Y3/Ag.1.2.3 myeloma cell line
Max Ex/Em
Fluorophore Excitation Max (nm) Emission Max (nm)
FITC 490 525
For research purposes only
12 months from date of despatch
The isolation and characterisation of this cell line was carried out with help of funds supplied by the Medical Research Council, UK.

This product is shipped at ambient temperature. It is recommended to aliquot and store at -20°C on receipt. When thawed, aliquot the sample as needed. Keep aliquots at 2-8°C for short term use (up to 4 weeks) and store the remaining aliquots at -20°C.

Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended. This product is photosensitive and should be protected from light.

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
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 using appropriate negative/positive controls.
Flow Cytometry
Use 10ul of the suggested working dilution to label 106 cells in 100ul.

Description Product Code Applications Pack Size List Price Your Price Quantity
Rat IgG2b Negative Control:FITC MCA6006F F 0.1 mg loader
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Description Rat IgG2b Negative Control:FITC

Description Product Code Applications Pack Size List Price Your Price Quantity
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Description Human Seroblock
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References for CD18 antibody

  1. Bindon, C.I. et al. (1988) Importance of antigen specificity for complement-mediated lysis by monoclonal antibodies.
    Eur J Immunol. 18 (10): 1507-14.
  2. Chabanne, L. et al. (1994) Screening of 78 monoclonal antibodies directed against human leukocyte antigens for cross-reactivity with surface markers on canine lymphocytes.
    Tissue Antigens. 43 (3): 202-5.
  3. Mizuno, T. et al. (1997) cDNA cloning and chromosomal localization of the human telencephalin and its distinctive interaction with lymphocyte function-associated antigen-1.
    J Biol Chem. 272: 1156-63.
  4. Kupatt, C. et al. (1999) Tumor necrosis factor-alpha contributes to ischemia- and reperfusion-induced endothelial activation in isolated hearts.
    Circ Res. 84: 392-400.
  5. Salvatierra, A. et al. (2001) Antithrombin III prevents early pulmonary dysfunction after lung transplantation in the dog.
    Circulation. 104: 2975-80.
  6. Spring, F.A. et al. (2001) Intercellular adhesion molecule-4 binds alpha(4)beta(1) and alpha(V)-family integrins through novel integrin-binding mechanisms.
    Blood. 98: 458-66.
  7. Garland, R.J. et al. (2002) Human CD8+ CTL recognition and in vitro lysis of herpes simplex virus-infected cells by a non-MHC restricted mechanism.
    Scand J Immunol. 55: 61-9.
  8. Gonçalves, R. et al. (2005) A sensitive flow cytometric methodology for studying the binding of L. chagasi to canine peritoneal macrophages.
    BMC Infect Dis. 5:39.
  9. View The Latest Product References
  10. Alex, J. et al. (2005) Pretreatment with hyperbaric oxygen and its effect on neuropsychometric dysfunction and systemic inflammatory response after cardiopulmonary bypass: a prospective randomized double-blind trial.
    J Thorac Cardiovasc Surg. 130: 1623-30.
  11. Lana, S. et al. (2006) Diagnosis of mediastinal masses in dogs by flow cytometry.
    J Vet Intern Med. 20: 1161-5.
  12. Grote, K. et al. (2007) The angiogenic factor CCN1 promotes adhesion and migration of circulating CD34+ progenitor cells: potential role in angiogenesis and endothelial regeneration.
    Blood. 110: 877-85.
  13. Sampaio, W.M. et al. (2007) In vitro binding and survival assays of Leishmania parasites to peripherical blood monocytes and monocyte-derived macrophages isolated from dogs naturally and experimentally infected with Leishmania chagasi.
    BMC Vet Res. 3:11.
  14. Crosby, H.A. et al. (2009) Adhesion of human haematopoietic (CD34+) stem cells to human liver compartments is integrin and CD44 dependent and modulated by CXCR3 and CXCR4.
    J Hepatol. 51: 734-49.
  15. Waché, Y.J. et al. (2009) The mycotoxin deoxynivalenol inhibits the cell surface expression of activation markers in human macrophages.
    Toxicology. 262: 239-44.
  16. Holst, B.S. et al. (2010) Expression of four canine leukocyte adhesion factors in fresh and stored whole blood samples evaluated using a no-lyse, no-wash method.
    Vet Immunol Immunopathol. 139: 271-6.
  17. Araújo, M.S. et al. (2011) Immunological changes in canine peripheral blood leukocytes triggered by immunization with first or second generation vaccines against canine visceral leishmaniasis.
    Vet Immunol Immunopathol. 141: 64-75.
  18. Canalli, A.A. et al. (2011) Participation of Mac-1, LFA-1 and VLA-4 integrins in the in vitro adhesion of sickle cell disease neutrophils to endothelial layers, and reversal of adhesion by simvastatin.
    Haematologica. 96: 526-33.
  19. Zimmerman, K.L. et al. (2013) Leukocyte adhesion deficiency type I in a mixed-breed dog.
    J Vet Diagn Invest. 25: 291-6.
  20. Levy, O. et al. (2015) Apolipoprotein E promotes subretinal mononuclear phagocyte survival and chronic inflammation in age-related macular degeneration.
    EMBO Mol Med. pii: e201404524.
  21. Sutcliffe, J.E.S. et al. (2017) Changes in the extracellular matrix surrounding human chronic wounds revealed by 2-photon imaging.
    Int Wound J. Jul 20 [Epub ahead of print].
  22. Cremer, S.E. et al. (2019) Proteomic profiling of the thrombin-activated canine platelet secretome (CAPS).
    PLoS One. 14 (11): e0224891.
  23. Wolf-Ringwall, A. et al. (2020) Prospective evaluation of flow cytometric characteristics, histopathologic diagnosis and clinical outcome in dogs with naïve B-cell lymphoma treated with a 19-week CHOP protocol.
    Vet Comp Oncol. 18 (3): 342-52.

Further Reading

  1. Marconato, L. (2013) The dog as a possible animal model for human non-Hodgkin lymphoma: a review.
    Hematol Oncol. 31: 1-9.

Flow Cytometry

Functional Assays

Integrin Beta 2 Chain
Entrez Gene
GO Terms
GO:0001948 glycoprotein binding
GO:0007596 blood coagulation
GO:0006915 apoptosis
GO:0004872 receptor activity
GO:0008305 integrin complex
GO:0006954 inflammatory response
GO:0007159 leukocyte cell-cell adhesion
GO:0007160 cell-matrix adhesion
GO:0007229 integrin-mediated signaling pathway
GO:0007267 cell-cell signaling
GO:0007275 multicellular organismal development
GO:0008360 regulation of cell shape
GO:0019901 protein kinase binding
GO:0030593 neutrophil chemotaxis
GO:0050730 regulation of peptidyl-tyrosine phosphorylation
GO:0050776 regulation of immune response


154598 160688

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