Platelet glycoprotein GPIIb-IIIa complex: Difference between revisions

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[[Platelet Glycoprotein GPIIb-IIIa Complex]] is a "platelet membrane glycoprotein complex important for platelet adhesion and aggregation. it is an integrin complex containing integrin alphaiib and integrin beta3 which recognizes the arginine-glycine-aspartic acid (rgd) sequence present on several adhesive proteins. as such, it is a receptor for fibrinogen; von Willebrand factor; fibronectin; vitronectin; and thrombospondins."<ref name="MeSH-2b-3a">{{cite web |url=http://www.nlm.nih.gov/cgi/mesh/2008/MB_cgi?term=Platelet+Glycoprotein+GPIIb-IIIa+Complex |title=Platelet Glycoprotein GPIIb-IIIa Complex |accessdate=2008-01-10 |author=Anonymous |authorlink= |coauthors= |date= |format= |work= |publisher=National Library of Medicine |pages= |language= |archiveurl= |archivedate= |quote=}}</ref>
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'''Platelet Glycoprotein GPIIb-IIIa Complex''' is a "platelet membrane glycoprotein complex important for platelet adhesion and aggregation. it is an integrin complex containing integrin alphaiib and integrin beta3 which recognizes the arginine-glycine-aspartic acid (rgd) sequence present on several adhesive proteins. as such, it is a receptor for fibrinogen; von Willebrand factor; fibronectin; vitronectin; and thrombospondins."<ref name="MeSH-2b-3a">{{cite web |url=http://www.nlm.nih.gov/cgi/mesh/2008/MB_cgi?term=Platelet+Glycoprotein+GPIIb-IIIa+Complex |title=Platelet Glycoprotein GPIIb-IIIa Complex |accessdate=2008-01-10 |author=Anonymous |authorlink= |coauthors= |date= |format= |work= |publisher=National Library of Medicine |pages= |language= |archiveurl= |archivedate= |quote=}}</ref>


==Role in medicine==
==Role in medicine==

Revision as of 20:33, 22 January 2008

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Platelet Glycoprotein GPIIb-IIIa Complex is a "platelet membrane glycoprotein complex important for platelet adhesion and aggregation. it is an integrin complex containing integrin alphaiib and integrin beta3 which recognizes the arginine-glycine-aspartic acid (rgd) sequence present on several adhesive proteins. as such, it is a receptor for fibrinogen; von Willebrand factor; fibronectin; vitronectin; and thrombospondins."[1]

Role in medicine

A deficiency of GPIIb-IIIa is the cause of Glanzman Thrombasthenia, which causes a prolonged bleeding time.

Antibodies to GPIIb-IIIa is the cause of most cases of chronic idiopathic thrombocytopenic purpura (ITP).

Antibodies to immune complexes of GPIIb-IIIa and various drugs underly many cases of drug-induced immune thrombocytopenia.[2]

Glycoprotein IIb/IIIa inhibitors are platelet aggregation inhibitors used to treat cardiovascular diseases.

References

  1. ↑ Anonymous. Platelet Glycoprotein GPIIb-IIIa Complex. National Library of Medicine. Retrieved on 2008-01-10.
  2. ↑ Aster RH, Bougie DW (2007). "Drug-induced immune thrombocytopenia". N. Engl. J. Med. 357 (6): 580–7. DOI:10.1056/NEJMra066469. PMID 17687133. Research Blogging.

External links

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