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Home >> Antibodies >> GPIIb Antibody / Platelet Glycoprotein IIb Antibody

GPIIb Antibody / Platelet Glycoprotein IIb Antibody (RQ4069)

  Catalog No Formulation Size Price (USD)  
Image RQ4069 0.5mg/ml if reconstituted with 0.2ml sterile DI water 100 ug 449
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GPIIb Antibody Detection in HL60 Human Promyelocytic Leukemia Cells by FACS. Flow cytometry analysis of human HL60 promyelocytic leukemia cells using GPIIb Antibody at 1 ug/million cells shows a pronounced rightward shift of the antibody-stained population (blue) relative to the isotype control (green) and cells-alone control (red). The three populations are well separated, with the CD41-positive signal extending approximately one log beyond the negative control population. This result demonstrates detection of cell-associated GPIIb/CD41 in HL60 cells using this Platelet Glycoprotein IIb Antibody.
GPIIb Antibody Detection in U-937 Human Histiocytic Lymphoma Cells by FACS. Flow cytometry analysis of human U-937 histiocytic lymphoma cells using GPIIb Antibody at 1 ug/million cells shows a clear rightward shift of the antibody-stained population (blue) compared with the isotype control (green) and cells-alone control (red). The positive population is distinctly separated from the unstained cells, although some overlap with the isotype distribution is visible. This result demonstrates detection of GPIIb/CD41 in U-937 cells using this Platelet Glycoprotein IIb Antibody.
GPIIb Antibody Staining in Human Rectal Carcinoma by IHC. Immunohistochemistry of FFPE human rectal carcinoma tissue using GPIIb Antibody at 1 ug/ml shows localized brown staining distributed among cells and structures within the tumor tissue. Signal is heterogeneous across the field and readily distinguishable from the blue hematoxylin-counterstained nuclei. Heat-induced epitope retrieval was performed by steaming the tissue sections in pH 6 citrate buffer for 20 min followed by cooling before testing. The observed staining demonstrates detection of CD41 using this Platelet Glycoprotein IIb Antibody.
GPIIb Antibody Staining in Human Breast Carcinoma by IHC. Immunohistochemistry of FFPE human breast carcinoma tissue using GPIIb Antibody at 1 ug/ml shows relatively sparse, localized brown staining against predominantly blue hematoxylin-counterstained tissue. The staining is concentrated in discrete cells and cellular structures rather than broadly distributed throughout the epithelial compartment. Heat-induced epitope retrieval was performed by steaming the sections in pH 6 citrate buffer for 20 min followed by cooling before testing. This localized staining demonstrates detection of CD41 using this Platelet Glycoprotein IIb Antibody.
GPIIb Antibody Detection in Human, Rat and Mouse Samples by WB. Western blot testing with GPIIb Antibody at 0.5 ug/ml was performed using human K562 cells (lane 1), human Raji cells (lane 2), rat testis (lane 3), rat brain (lane 4) and mouse brain (lane 5). Prominent bands migrate at approximately 150-170 kDa in lanes 1, 3 and 5, with substantially weaker signal in lanes 2 and 4. ITGA2B is extensively glycosylated, which can increase its apparent molecular weight above the calculated mass of the polypeptide. The cross-species signals demonstrate recognition of Platelet Glycoprotein IIb/CD41 by this GPIIb Antibody.
GPIIb Antibody Staining in Human Tonsil by IF. Immunofluorescence staining of FFPE human tonsil tissue using GPIIb Antibody at 1 ug/ml shows green fluorescence distributed throughout portions of the lymphoid tissue, with heterogeneous signal surrounding a comparatively less reactive central region. Heat-induced epitope retrieval was performed by boiling the sections in pH 6, 10 mM citrate buffer for 10-20 min followed by cooling. The staining demonstrates detection of CD41-associated structures in human tonsil using this Platelet Glycoprotein IIb Antibody.
GPIIb Antibody Staining in Mouse Lymph Tissue by IF. Immunofluorescence staining of FFPE mouse lymph tissue using GPIIb Antibody at 1 ug/ml shows punctate and cellular green fluorescence distributed throughout the tissue, with DAPI-counterstained nuclei shown in blue. Signal is heterogeneous, with multiple discrete CD41-positive structures visible among the surrounding cells. Heat-induced epitope retrieval was performed by steaming the sections in pH 6 citrate buffer for 20 min. This cross-species staining demonstrates recognition of mouse CD41 using this Platelet Glycoprotein IIb Antibody.
Availability 1-3 business days
Species Reactivity Human, Mouse, Rat
Format Antigen affinity purified
Host Rabbit
Clonality Polyclonal (rabbit origin)
Isotype Rabbit IgG
Purity Antigen affinity purified
Buffer Lyophilized from 1X PBS with 2% Trehalose and 0.025% sodium azide
UniProt P08514
Applications Immunohistochemistry (FFPE) : 1-2ug/ml
Flow Cytometry : 1-3ug/10^6 cells
Western Blot : 0.5-1ug/ml
Immunofluorescence : 1-2ug/ml
Direct ELISA : 0.1-0.5ug/ml
Limitations This GPIIb Antibody / Platelet Glycoprotein IIb Antibody is available for research use only.
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Description

GPIIb Antibody detects glycoprotein IIb, a platelet membrane protein encoded by the ITGA2B gene and also known as CD41 and integrin alpha 2b. GPIIb belongs to the integrin alpha-chain family and associates with integrin beta 3, or CD61, to form the alpha IIb beta 3 heterodimer. Historically known as the glycoprotein IIb/IIIa complex, this receptor is highly abundant on platelets and has a central role in platelet aggregation, adhesion and normal hemostasis.

In resting platelets, the GPIIb/IIIa receptor is maintained predominantly in a low-affinity conformation. Platelet activation induces structural changes that enable the receptor to bind fibrinogen and other adhesive ligands with increased affinity. Fibrinogen can bridge alpha IIb beta 3 receptors on neighboring platelets, thereby promoting aggregation and formation of the primary hemostatic plug. Ligand engagement also initiates outside-in signaling that influences cytoskeletal organization, platelet spreading and stabilization of the developing clot.

GPIIb is synthesized as a precursor protein that undergoes post-translational processing to generate disulfide-linked heavy and light chains. The mature Platelet Glycoprotein IIb remains associated with integrin beta 3 at the cell surface. Expression is strongly associated with platelets and megakaryocytes, making CD41 an established marker for studying megakaryocytic differentiation, platelet development and hematopoietic lineage commitment. The receptor is also investigated in developmental hematopoiesis and research examining the emergence and maturation of blood cell populations.

Alterations affecting ITGA2B can interfere with alpha IIb beta 3 expression or function. Pathogenic ITGA2B variants are associated with Glanzmann thrombasthenia, an inherited bleeding disorder characterized by impaired platelet aggregation. Because of its central position in platelet biology, the GPIIb/IIIa receptor is also extensively studied in thrombosis, vascular biology and integrin-mediated signaling. A Platelet Glycoprotein IIb Antibody can therefore support research examining the expression and biology of this important platelet receptor. NSJ Bioreagents offers this reagent for studies of GPIIb, CD41 and ITGA2B-associated biology. A GPIIb Antibody provides a useful tool for investigating platelet glycoprotein IIb expression, megakaryocyte biology and alpha IIb beta 3 receptor function.

For broader ITGA2B validation across IHC, western blot and flow cytometry, see our ITGA2B Antibody / Integrin Alpha 2b Antibody page.

Application Notes

Optimal dilution of the GPIIb Antibody / Platelet Glycoprotein IIb Antibody should be determined by the researcher.

Immunogen

A recombinant human partial protein corresponding to amino acids L32-D263 was used as the immunogen for the CD41 / GPIIb antibody.

Storage

After reconstitution, the CD41 / GPIIb antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.

Alternate Names

Platelet glycoprotein IIb antibody; CD41 antibody; ITGA2B antibody; Integrin alpha 2b antibody; Integrin alpha IIb antibody; CD41b antibody

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