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Mouse Monoclonal to CD41/CD61 (bovine)

IVA30 (IgG2)

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CD41 is a transmembrane glycoprotein (integrin family) composed of two chains GPIIb alpha (heavy chain; 120 kDa) and GPIIb beta (light chain; 23 kDa). CD61 non-covalently associates with CD41.


The antibody IVA30 reacts with CD41/CD61 complex (bovine), one of the earliest markers of the megakaryocytic lineage. CD41/CD61 complex acts as the receptor for fibrinogen, fibronectin, Von Willebrand factor, vitronectin, thrombin and mediates platelets aggregation. CD41/CD61 is expressed only by platelets and megakaryocytes; the complex may be absent or strongly reduced in Glanzmann's thrombasthenia (GT). This antibody crossreacts with human platelets.

Regulatory Status


Bovine trombocytes.

Species Reactivity:

  • Human
  • Bovine

Negative Species:


  • Flow Cytometry
  • Immunoprecipitation
  • Immunocytochemistry
Usage note:
Indicated dilutions are recommended starting points for use of this product. Working concentrations should be determined by the investigator.

Product Specific References

  • III.Workshop on Ruminant Leukocyte Antigens:
  • *Naessens J & Hopkins J: Proceedings of the 3rd workshop on ruminant leukocyte antigens. Davis, California, 16 July 1995. Vet Immunol Immunopathol 52:213-468 (1996). [Abstract]
  • *Mateo A, Perez de la Lastra J, Moreno A, Dusinsky R, Bilka F, Simon M, Horovska L, Llanes D: Biochemical characterization of antigens detected with anti-platelet monoclonal antibodies. Vet Immunol Immunopathol. 1996 Aug;52(4):363-70. [Abstract]
  • *Simon M, Dusinsky R, Horovska L, Bilka F, Hluchy S: Immunohistochemical reactivity of anti-platelet monoclonal antibodies. Vet Immunol Immunopathol. 1996 Aug;52(4):377-82. [Abstract]
  • *Mateo A, Pintado CO, Perez de la Lastra J, Dusinsky R, Simon M, Naessens J, Llanes D: Ruminant cluster CD41/CD61. Vet Immunol Immunopathol. 1996 Aug;52(4):251-3. [Abstract]
  • Other publications:
  • *Naessens J, Howard CJ, Hopkins J: Nomenclature and characterization of leukocyte differentiation antigens in ruminants. Immunol Today. 1997 Aug;18(8):365-8. [Abstract]
  • For research use only. Not for drug, diagnostic or other use.

    Example Data

    IVA30 ICC

    Fig. 1. Immunocytochemistry staining of acetone/methanol fixed bovine peripheral blood (thrombocyte-enriched suspension) using anti-bovine CD41/CD61 (IVA30); secondary antibody conjugated to FITC (green signal at thrombocytes), DNA stained with DAPI (blue signal).

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