Bleeding disorder platelet-type is a condition characterized by mild to moderate mucocutaneous bleeding. Patients are with platelet dysfunction but normal platelet number. It has been reported that these disorders are associated with mutations in key platelet activation receptors, namely those for ADP, collagen and thromboxane A2.
Kunishima S, Okuno Y, Yoshida K, Shiraishi Y, Sanada M, Muramatsu H, Chiba K, Tanaka H, Miyazaki K, Sakai M, Ohtake M, Kobayashi R, Iguchi A, Niimi G, Otsu M, Takahashi Y, Miyano S, Saito H, Kojima S, Ogawa S
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ACTN1 mutations cause congenital macrothrombocytopenia.
Canault M, Ghalloussi D, Grosdidier C, Guinier M, Perret C, Chelghoum N, Germain M, Raslova H, Peiretti F, Morange PE, Saut N, Pillois X, Nurden AT, Cambien F, Pierres A, van den Berg TK, Kuijpers TW, Alessi MC, Tregouet DA
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Human CalDAG-GEFI gene (RASGRP2) mutation affects platelet function and causes severe bleeding.
Berrou E, Soukaseum C, Favier R, Adam F, Elaib Z, Kauskot A, Bordet JC, Ballerini P, Loyau S, Feng M, Dias K, Muheidli A, Girault S, Nurden AT, Turro E, Ouwehand WH, Denis CV, Jandrot-Perrus M, Rosa JP, Nurden P, Bryckaert M
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A mutation of the human EPHB2 gene leads to a major platelet functional defect.
Ghevaert C, Salsmann A, Watkins NA, Schaffner-Reckinger E, Rankin A, Garner SF, Stephens J, Smith GA, Debili N, Vainchenker W, de Groot PG, Huntington JA, Laffan M, Kieffer N, Ouwehand WH
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A nonsynonymous SNP in the ITGB3 gene disrupts the conserved membrane-proximal cytoplasmic salt bridge in the alphaIIbbeta3 integrin and cosegregates dominantly with abnormal proplatelet formation and macrothrombocytopenia.
Kunicki TJ, Williams SA, Diaz D, Farndale RW, Nugent DJ
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Platelet adhesion to decorin but not collagen I correlates with the integrin alpha2 dimorphism E534K, the basis of the human platelet alloantigen (HPA)-5 system.
