Human GPVI Antibody

Catalog # Availability Size / Price Qty
AF3627
AF3627-SP

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Product Details
Citations (1)
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Human GPVI Antibody Summary

Species Reactivity
Human
Specificity
Detects human GPVI in direct ELISAs and Western blots.
Source
Polyclonal Sheep IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human GPVI (R&D Systems, Catalog # 3627-GP)
Gln21-Lys267
Accession # Q9HCN6
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human GPVI (Catalog # 3627-GP)

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: GPVI

Glycoprotein VI (GPVI) is a 63 kDa platelet/megakaryocyte-specific type I transmembrane glycoprotein of the immunoglobulin superfamily that is an important collagen receptor and initiator of platelet activation, aggregation and thrombin generation (1, 2). GPVI is also a secondary receptor required for platelet spreading on laminin (3). Human GPVI contains a 20 amino acid (aa) signal sequence, a 247 aa extracellular domain (ECD) that has two C-type Ig-like domains followed by a mucin-like, presumably O-glycosylated Ser-Thr-rich region, a 21 aa transmembrane (TM) domain and a 51 aa cytoplasmic tail that contains calmodulin-binding and SH3 domains. Human GPVI ECD shows 69%, 65% and 70% aa identity with mouse, bovine and canine GPVI ECD, respectively. Two splice variants exist; one is 17 aa shorter in the ECD, while the other diverges at aa 260, creating an inactive monomeric and presumably secreted 681 aa protein (3). GPVI associates with the Fc receptor gamma -chain via charged aa in the TM domains of GPVI (arginine) and the FcR gamma (aspartic acid) (2). Collagen binding by the GPVI Ig-like domains initiates signaling through the FcR gamma ITAM sequence (2). Dimerization of GPVI (2:2 with FcR gamma ) and N-glycosylation greatly enhances collagen binding (5, 6). Type I and III collagens are strong thrombus-forming components in the vascular subendothelium and atherosclerotic plaques (7). GPVI initiates binding to fibrillar collagens under flow conditions, then activates integrin alpha 2 beta 1 which binds collagen more tightly (8). GPVI deficiencies cause only a mild bleeding tendency, probably because integrin alpha 2 beta 1 is able to minimally initiate collagen binding (8). Normal human GPVI concentration can vary widely and affect maximum thrombin generation (9). Engagement of GPVI by collagens or other agonists, including autoantibodies, causes calmodulin-regulated metalloproteinase cleavage of the 57 kDa ECD and depletes surface GPVI (10).

References
  1. Jandrot-Perrus, M. et al. (2000) Blood 96:1798.
  2. Moroi, M. and S.M. Jung (2004) Thromb. Res. 114:221.
  3. Inoue, O. et al. (2006) Blood 107:1405.
  4. Ezumi, Y. et al. (2000) Biochem. Biophys. Res. Comm. 277:27.
  5. Horii, K. et al. (2006) Blood 108:936.
  6. Kunicki, T.J. et al. (2005) Blood 106:2744.
  7. Cosemans, J.M. et al. (2005) Atherosclerosis 181:19.
  8. Lecut, C. et al. (2005) Thromb. Haemost. 94:107.
  9. Furihata, K. et al. (2001) Arterioscler. Thromb. Vasc. Biol. 21:1857.
  10. Stephens, G. et al. (2005) Blood 105:186.
Long Name
Glycoprotein VI [Platelet]
Entrez Gene IDs
51206 (Human); 243816 (Mouse)
Alternate Names
Glycoprotein 6; glycoprotein VI (platelet); GP6; GPIV; GPVI; GPVIplatelet collagen receptor; MGC138168; platelet glycoprotein VI

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Citation for Human GPVI Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Atroxlysin-III, A Metalloproteinase from the Venom of the Peruvian Pit Viper Snake Bothrops atrox (Jerg�n) Induces Glycoprotein VI Shedding and Impairs Platelet Function
    Authors: LS Oliveira, MI Estevão-Co, VG Alvarenga, DE Vivas-Ruiz, A Yarleque, AM Lima, A Cavaco, JA Eble, EF Sanchez
    Molecules, 2019-09-26;24(19):.
    Species: Human
    Sample Types: Platelets
    Applications: Western Blot

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