Recombinant Human Integrin alpha-IIb (ITGA2B), partial

1. ApoA-IV is a novel ligand of platelet GPIIB IIIA integrin. PMID: 30190457
2. mutations disturbing the alphaIIb R995/beta3 D723 salt bridge can cause an abnormal maturation of alpha-granules PMID: 29090484
3. ITGA2B gene mutations associated with Glanzmann thrombasthenia (Review) PMID: 29125375
4. Sanger sequencing of ITGA2B and ITGB3 in the index case followed by in silico modeling of all known GT-causing missense mutations extending from the lower part of the beta-propeller, and through the thigh and upper calf-1 domains. The index case, a Belgium type I GT patient, identiffied a homozygous c.1772A>C transversion (NC_000017.11:g.44379795T>G) affecting exon 18 of ITGA2B. PMID: 29385657
5. Kindlin supports platelet GPIIB IIIA activation by interacting with paxillin. PMID: 28954813
6. Type I Glanzmann thrombasthenia (GT)was found most common in our patients and with lowered mean CD41 expression in comparison with CD61. Type III GT patients had significantly lower numbers of severe bleeders, but the severity of bleeding did not vary significantly in type I and II GT patients PMID: 28948953
7. this study shows that in the Caucasian population the HPA-3 system confers susceptibility to acute cellular rejection after liver transplantation PMID: 28705752
8. Case Reports: alterations in the platelet proteome in type I Glanzmann thrombasthenia patients caused by different homozygous delG frameshift mutations in ITGA2B. PMID: 28078347
9. No genetic abnormalities identified in alpha2IIb and beta3: phenotype overcomes genotype in Glanzmann thrombasthenia. PMID: 27808476
10. study strongly supported the contribution of the genes ITGA2B, GSN and RHOA and the two pathways "regulation of actin cytoskeleton" and "leukocyte transendothelial migration" to osteoporosis risk. PMID: 27153759
11. Furthermore, the inside-out activation of GPIIb/IIIa of platelets mediated Streptococcus suis suilysin-induced platelet aggregation. PMID: 27800304
12. Data suggest that the extreme C terminus of kindlin-2 is essential for interaction with and activation of integrin alphaIIBbeta3; these studies were conducted in macrophage cell line and erythroleukemia cell line. PMID: 28652408
13. Both in cell lines and in mouse model, the extracellular matrix receptors including the integrin ( ITGA3 and ITGA2B), collagen ( COL5A1), and laminin ( LAMA5) were significantly inhibited by curcumin at messenger RNA and protein levels. PMID: 28618934
14. Case Report: Reduced binding of mutant FLNa to beta3 and the facilitated recruitment of talin by beta3 on platelet stimulation, explaining the increased alphaIIbbeta3 activation and the ensuing gain-of-platelet functions. PMID: 28428218
15. Mechanistic basis for the binding of fibrinogen-derived RGD- and AGDV-peptides to the platelet integrin alphaIIb-beta3 has been described. PMID: 28277676
16. the contribution of PAR1 and PAR4 to thrombin-mediated activation of the platelet fibrin receptor (GPIIbIIIa), is reported. PMID: 27784794
17. Integrin alpha-IIb beta-3 dependent ERK signaling is regulated by Src and Rho kinases in both Leu33 and Pro33 polymorphic isoforms. PMID: 27923225
18. Data suggest that CD41 and CD45 expression marked the onset of haemangioblastoma (HB) neovascularisation and the stepwise development of the angioformative period, and also the underlying therapeutic targets of anti-vascular treatment. PMID: 26468019
19. ITGA2B and ITGA8 have roles in prognosis in clear cell renal cell carcinoma patients PMID: 26198048
20. Thirteen variants in the ITGA2B locus and 29 variants in the ITGB3 locus were identified. PMID: 27965976
21. This study shows correlation of blood clot stiffness with platelet integrin alpha-IIb beta3 activity, aspirin usage, and transfusion risk in cardiopulmonary bypass patients. PMID: 26688324
22. Monomeric fibrin displayed a higher probability of interacting with Integrin alphaIIb beta 3 and a greater binding strength. PMID: 26867579
23. Data show that immune thrombocytopenia (ITP) is an autoimmune bleeding disorder characterized by low platelet count and presence of IgG autoantibodies to platelet surface glycoproteins, such as alpha IIbbeta3 integrins. PMID: 26301697
24. Data suggest that the ligand AGDV tetrapeptide binds to ITGB3/GPIIIa subunit and induces complete opening of headpiece of integrin alphaIIb/beta3 complex; AGDV appears to have very little contact with ITGA2B/GPIIb subunit. PMID: 26631735
25. Analysis showed a protective effect of TT genotype of ITGA2 807 C/T on fibrosis progression rate in Chronic Hepatitis C patients. PMID: 27093792
26. Activated but ligand-free integrins exist mainly in the compact conformation, whereas fibrin-bound alphaIIbbeta3 predominantly exists in a fully extended, headpiece open conformation. PMID: 26391523
27. Report novel ITGA2B mutations causing Glanzmann thrombasthenia. PMID: 25373348
28. Ibrutinib causes GPVI and integrin alphaIIbbeta3 platelet signaling deficiencies that result in formation of unstable thrombi and may contribute toward bleeding. PMID: 26359510
29. post-treatment of peptides derived from the full-length tail or from the turn motif did not reverse aIIb and aV integrin activation. PMID: 25290158
30. Data indicate 114 novel missense variants in integrin alpha 2b (ITGA2B) and 68 novel missense variants in integrin beta 3 (ITGB3). PMID: 25827233
31. Data (including data from molecular dynamic simulations) suggest specific interactions between glycoprotein GPIIb/GPIIIa complex transmembrane/C-terminal domains and talin-1 in cell membrane environment during platelet activation. PMID: 24677266
32. Anionic lipids in annular positions stabilize the alphaIIbbeta3 transmembrane complex by up to 0.50 +/- 0.02 kcal/mol relative to zwitterionic lipids in a headgroup structure-dependent manner. PMID: 25632962
33. ITGA2B rs5911 GG genotype is associated with decreased ex vivo antiplatelet activity of ticagrelor in healthy Chinese male subjects. PMID: 24474638
34. The genetic polymorphism of GP lIb-Illa (GP Ila Leu33Pro) was not noted to affect platelet aggregation. PMID: 25518511
35. data indicated that GPIIb-IIIa and GPIb levels are mainly affected by platelet size (MPV) but not by their genetic variations; in some acute coronary syndrome patients, production of large platelets with high GPIIb-IIIa and GPIb contents might be stimulated by elevated thrombopoietin PMID: 23941967
36. Intermolecular transmembrane domain interactions activate integrin alphaIIbbeta3. PMID: 24838247
37. The mechanism of kindlin-mediated activation of integrin alphaIIbbeta3.Kindlins have little direct effect on alphaIIbbeta3 integrin monomer affinity. PMID: 24210614
38. Data indicate that mutations in alphaIIbbeta3 integrins decreased ligand binding and adhesion. PMID: 24116162
39. The association of four common polymorphisms from four candidate genes (COX-1, COX-2, ITGA2B, ITGA2) with aspirin insensitivity PMID: 24244288
40. ADAP interacts with talin and kindlin-3 to promote platelet Integrin alphaIIbbeta3 activation and stable fibrinogen binding. PMID: 24523237
41. Increased mean platelet volume values correlated with increased platelet aggregation activity and enhanced GP IIb-IIIa and GP Ib expression. PMID: 24749250
42. These results map the binding of fibrin to multiple sites in the alphaIIb beta-propeller and further indicate that recognition specificity of alphaIIbbeta3 for fibrin differs from that for soluble fibrinogen. PMID: 24338009
43. these results establish that GP IIb/IIIa and alphavbeta3 integrins are essential mediators of shear flow-induced cancer cell mechanotransduction PMID: 24176823
44. Studies indicate that Glanzmann thrombasthenia (GT) is caused by quantitative or qualitative deficiencies of alphaIIbbeta3, an integrin coded by the ITGA2B and ITGB3 genes. PMID: 23929305
45. Our data indicate an important role for the region that links the distal calf-2 and beta-tail domains to their respective transmembrane (TM) domains in transmitting the conformational changes in the TM domains associated with inside-out activation. PMID: 24136164
46. dRP is a novel autocrine amplifier of platelet activity, which acts on platelet redox levels and modulates integrin alphaIIbbeta3 PMID: 23494007
47. Platelets lacking ERp57 have defective activation of the alphaIIbbeta3 integrin and platelet aggregation. The defect in aggregation was corrected by the addition of exogenous ERp57, implicating surface ERp57 in platelet aggregation. PMID: 24030382
48. the V740L polymorphism defines a new low-frequency antigen implicated in two cases of fetomaternal alloimmune thrombocytopenia in a single family PMID: 23305224
49. Integrin alphaIIbbeta3 was fully activated, independent of the morphological state of human platelets. PMID: 23571313
50. These results demonstrate that serine/threonine phosphatases, probably PP2A, regulate both inside-out and outside-in mechanisms of signal transduction and clot retraction through Platelet Glycoprotein GPIIb-IIIa Complex in human platelets. PMID: 24096143

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HGNC: 6138

OMIM: 187800

KEGG: hsa:3674

STRING: 9606.ENSP00000262407

UniGene: Hs.411312