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Purified Mouse Anti-Rat CD11a
Product Details
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BD Pharmingen™
Integrin αL chain; LFA-1 α chain; Itgal
Rat (QC Testing)
Mouse BALB/c IgG2a, κ
PHA-stimulated rat splenocytes and rat thymic lymphoma FTL-43
Flow cytometry (Routinely Tested), Blocking, Immunohistochemistry-frozen, Immunoprecipitation, Inhibition (Reported)
0.5 mg/ml
Aqueous buffered solution containing ≤0.09% sodium azide.

Preparation And Storage

The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. Store undiluted at 4°C.

Product Notices

  1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
  2. Please refer to for technical protocols.
  3. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
  4. Sodium azide is a reversible inhibitor of oxidative metabolism; therefore, antibody preparations containing this preservative agent must not be used in cell cultures nor injected into animals. Sodium azide may be removed by washing stained cells or plate-bound antibody or dialyzing soluble antibody in sodium azide-free buffer. Since endotoxin may also affect the results of functional studies, we recommend the NA/LE (No Azide/Low Endotoxin) antibody format, if available, for in vitro and in vivo use.
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Antibody Details
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The WT.5 monoclonal antibody specifically recognizes the alpha subunit of LFA-1 (αLβ2 integrin, CD11a/CD18), a heterodimeric surface glycoprotein which is found on the majority of leukocytes, but not on peritoneal macrophages or peritoneal mast cells. LFA-1 mediates a variety of heterotypic and homotypic intercellular adhesions through interaction with ICAM-1 (CD54) and ICAM-2 (CD102). WT.1 mAb recognizes both the activated and unactivated forms of LFA-1. It inhibits the binding of LFA-1 to ICAM-1 in several in vitro assays, including binding of Concanavalin A-stimulated lymphocytes (Con A blasts) to purified ICAM-1 and Mg2+-dependent aggregation of concanavalin A-stimulated blasts. It has also been reported to inhibit leukocyte infiltration in several in vivo models of inflammation.

This antibody is routinely tested by flow cytometric analysis. Other applications were tested at BD Biosciences Pharmingen during antibody development only or reported in the literature.

559979 Rev. 14
Format Details
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Tissue culture supernatant is purified by either protein A/G or affinity purification methods. Both methods yield antibody in solution that is free of most other soluble proteins, lipids, etc. This format provides pure antibody that is suitable for a number of downstream applications including: secondary labeling for flow cytometry or microscopy, ELISA, Western blot, etc.
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Citations & References
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Development References (13)

  1. Andrews FJ, Malcontenti-Wilson C, O'Brien PE. Expression of adhesion molecules and leukocyte recruitment into gastric mucosa following ischemia-reperfusion. Dig Dis Sci. 1997; 42(2):326-332. (Clone-specific: Immunohistochemistry). View Reference
  2. Bañuls MP, Alvarez A, Ferrero I, Zapata A, Ardavin C. Cell-surface marker analysis of rat thymic dendritic cells. Immunology. 1993; 79(2):298-304. (Clone-specific). View Reference
  3. Devine L, Lightman SL, Greenwood J. Role of LFA-1, ICAM-1, VLA-4 and VCAM-1 in lymphocyte migration across retinal pigment epithelial monolayers in vitro. Immunology. 1996; 88(3):456-462. (Clone-specific: Blocking). View Reference
  4. Fox CC, Jewell SD, Whitacre CC. Rat peritoneal mast cells present antigen to a PPD-specific T cell line. Cell Immunol. 1994; 158(1):253-264. (Clone-specific). View Reference
  5. Kawasaki K, Yaoita E, Yamamoto T, Tamatani T, Miyasaka M, Kihara I. Antibodies against intercellular adhesion molecule-1 and lymphocyte function-associated antigen-1 prevent glomerular injury in rat experimental crescentic glomerulonephritis. J Immunol. 1993; 150(3):1074-1083. (Clone-specific: Blocking). View Reference
  6. Larson RS, Springer TA. Structure and function of leukocyte integrins. Immunol Rev. 1990; 114:181-217. (Biology). View Reference
  7. Nishikawa K, Guo YJ, Miyasaka M, et al. Antibodies to intercellular adhesion molecule 1/lymphocyte function-associated antigen 1 prevent crescent formation in rat autoimmune glomerulonephritis. J Exp Med. 1993; 177(3):667-677. (Clone-specific: Blocking). View Reference
  8. Ohta Y, Gotoh M, Ohzato H, et al. Direct antigen presentation through binding of donor intercellular adhesion molecule-1 to recipient lymphocyte function-associated antigen-1 molecules in xenograft rejection. Transplantation. 1998; 65(8):1094-1100. (Clone-specific: Inhibition). View Reference
  9. Springer TA. Traffic signals for lymphocyte recirculation and leukocyte emigration: the multistep paradigm. Cell. 1994; 76(2):301-314. (Clone-specific: Immunohistochemistry). View Reference
  10. Tamatani T, Kotani M, Miyasaka M. Characterization of the rat leukocyte integrin, CD11/CD18, by the use of LFA-1 subunit-specific monoclonal antibodies. Eur J Immunol. 1991; 21(3):627-633. (Immunogen: Blocking, Immunoprecipitation, Inhibition). View Reference
  11. Wada J, Shikata K, Makino H, et al. The critical role of intercellular adhesion molecule-1 in Masugi nephritis in rats. Nephron. 1996; 73(2):264-272. (Clone-specific: Blocking). View Reference
  12. Watanabe T, Arakawa T, Fukuda T, Higuchi K, Kobayashi K. Role of neutrophils in a rat model of gastric ulcer recurrence caused by interleukin-1 beta. Am J Pathol. 1997; 150(3):971-979. (Clone-specific: Blocking). View Reference
  13. Yamazaki T, Seko Y, Tamatani T, et al. Expression of intercellular adhesion molecule-1 in rat heart with ischemia/reperfusion and limitation of infarct size by treatment with antibodies against cell adhesion molecules. Am J Pathol. 1993; 143(2):410-418. (Clone-specific: Blocking). View Reference
View All (13) View Less
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Global - Refer to manufacturer's instructions for use and related User Manuals and Technical data sheets before using this products as described

Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims.  Comparisons are not made against non-BD technologies, unless otherwise noted.

For Research Use Only. Not for use in diagnostic or therapeutic procedures.