CD18 antibody | CA1.4E9
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Mouse anti Dog CD18
- Product Type
- Monoclonal Antibody
|Mouse anti Dog CD18 antibody, clone CA1.4E9 recognizes the canine CD18 cell surface antigen, also known as the b2 integrin.
The tissue and cellular distribution of CD18 in canine tissue closely follows that observed for humans (Moore et al. 1990) CD18 is expressed by virtually all leucocytes, but more strongly upon monocytes and granulocytes than on lymphocytes. The cross reactivity patterns of Mouse anti Canine CD18, clone CA1.4E9 further indicate that the antibody clone recognizes an epitope common to a number of mammalian species.
Immunoprecipitation experiments using detergent lysates of iodinated peripheral blood leukocytes indicate that clone Ca1.4E9 immunoprecipitates the common 95 kDa beta 2 integrin chain (CD18) along with the non-covalently associated alpha chains at 180 kDa (CD11a ), 165 kDa (CD11b) and 150 kDa (CD11c) (Moore et al. 1990). Of note is the lack of precipitation of the integrin alpha D chain (CD11d), this is likely due to the almost complete absence of CD11d expression on peripheral blood lymphocytes, in contrast to expression in the splenic red pulp (Fry et al. 2003).
High CD18 expression is a common feature of lymphoma and hyperplasia in dogs (Caniatti et al. 1996)
- Target Species
- Species Cross-Reactivity
Target Species Cross Reactivity Horse Pig Human Bovine Cat Mustelid Expected from Sequence Mink Hooded Seal
- N.B. Antibody reactivity and working conditions may vary between species.
- Product Form
- Purified IgG - liquid
- Purified IgG prepared by affinity chromatography on Protein G from ascites
- Buffer Solution
- Phosphate buffered saline
- Preservative Stabilisers
- 0.09% sodium azide (NaN3)
- Approx. Protein Concentrations
- IgG concentration 1.0 mg/ml
- For research purposes only
- 12 months from date of despatch
Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended.
|Application Name||Verified||Min Dilution||Max Dilution|
|Immunohistology - Frozen 1|
|Immunohistology - Paraffin|
- 1The epitope recognised by this antibody is reported to be sensitive to formaldehyde fixation and tissue processing. Bio-Rad recommends the use of acetone fixation for frozen sections.
- Flow Cytometry
- Use 10μl of the suggested working dilution to label 106 cells or 100μl whole blood
References for CD18 antibody
Moore, P.F. et al. (1990) Canine leukocyte integrins: characterization of a CD18 homologue.
Tissue Antigens. 36 (5): 211-20.
Danilenko, D.M. et al. (1992) Canine leukocyte cell adhesion molecules (leuCAMS): characterization of the CD11/CD18 family.
Tissue Antigens 40: 13-21.
Brodersen, R. et al. (1998) Analysis of the immunological cross reactivities of 213 well characterized monoclonal antibodies with specificities against various leucocyte surface antigens of human and 11 animal species.
Vet Immunol Immunopathol. 64 (1): 1-13.
Lecchi, C. et al. (2008) Bovine alpha-1 acid glycoprotein can reduce the chemotaxis of bovine monocytes and modulate CD18 expression.
Vet Res. 39: 50.
Bauer, T.R. Jr. et al. (2006) Correction of the disease phenotype in canine leukocyte adhesion deficiency using ex vivo hematopoietic stem cell gene therapy.
Blood. 108: 3313-20.
Leite, F. et al. (2000) Recombinant bovine interleukin-1beta amplifies the effects of partially purified Pasteurella haemolytica leukotoxin on bovine neutrophils in a beta(2)-integrin-dependent manner.
Infect Immun. 68: 5581-6.
McDonough, S.P. and Moore, P.F. (2000) Clinical, hematologic, and immunophenotypic characterization of canine large granular lymphocytosis
Vet Pathol. 37: 637-46.
Mortarino, M. et al. (2010) Identification of suitable endogenous controls and differentially expressed microRNAs in canine fresh-frozen and FFPE lymphoma samples.
Leuk Res. 34: 1070-7.
View The Latest Product References
Donahue, R.E. et al. (2011) Leukocyte integrin activation mediates transient neutropenia after G-CSF administration.
Blood. 118: 4209-14.
Larsen, A.K. et al. (2013) Entry and Elimination of Marine Mammal Brucella spp. by Hooded Seal (Cystophora cristata) Alveolar Macrophages In Vitro.
PLoS One. 8: e70186.
Comazzi, S. et al. (2006) Flow cytometric expression of common antigens CD18/CD45 in blood from dogs with lymphoid malignancies: a semi-quantitative study.
Vet Immunol Immunopathol. 112 (3-4): 243-52.
Comazzi, S. et al. (2006) Flow cytometric patterns in blood from dogs with non-neoplastic and neoplastic hematologic diseases using double labeling for CD18 and CD45.
Vet Clin Pathol. 35 (1): 47-54.
Moreira, M.L. et al. (2016) Vaccination against canine leishmaniosis increases the phagocytic activity, nitric oxide production and expression of cell activation/migration molecules in neutrophils and monocytes.
Vet Parasitol. 220: 33-45.
Bauer, T.R. Jr et al. (2017) Feline leukocyte adhesion (CD18) deficiency caused by a deletion in the integrin β2 (ITGB2) gene.
Vet Clin Pathol. 46 (3): 391-400.
Martini, V. et al. (2016) Canine small clear cell/T-zone lymphoma: clinical presentation and outcome in a retrospective case series.
Vet Comp Oncol. 14 Suppl 1: 117-26.
Brodzki, P. et al. (2020) Selected leukocyte subpopulations in peripheral blood and uterine washings in cows before and after intrauterine administration of cefapirin and methisoprinol.
Anim Sci J. 91 (1): e13306.
Piriou-Guzylack, L. (2008) Membrane markers of the immune cells in swine: an update.
Vet Res. 39: 54.
- Integrin Beta 2 Chain
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