Thoracic aortic aneurysms leading to acute aortic dissections (TAAD) are the major diseases that affect the thoracic aorta. While majority of the cases are sporadic, more than 20% are inherited as a single gene disorder. Familial TAAD is diagnosed based on the presence of dilatation and/or dissection of the thoracic aorta, absence of clinical features of Marfan syndrome, Loeys-Dietz syndrome, or vascular Ehlers-Danlos syndrome, and presence of a positive family history of TAAD. TGFBR2, TGFBR1, MYH11, ACTA2, and two loci on other chromosomes, AAT1 and AAT2, are associated with familial TAAD.
Marfan syndrome, Loeys-Dietz syndrome, and Ehlers-Danlos syndrome are described in H00653, H00800, and H00802, respectively. [DS:H00653] [DS:H00800] [DS:H00802]
Guo DC, Regalado ES, Minn C, Tran-Fadulu V, Coney J, Cao J, Wang M, Yu RK, Estrera AL, Safi HJ, Shete SS, Milewicz DM
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Familial thoracic aortic aneurysms and dissections: identification of a novel locus for stable aneurysms with a low risk for progression to aortic dissection.
Erbel R, Alfonso F, Boileau C, Dirsch O, Eber B, Haverich A, Rakowski H, Struyven J, Radegran K, Sechtem U, Taylor J, Zollikofer C, Klein WW, Mulder B, Providencia LA
Zhu L, Vranckx R, Khau Van Kien P, Lalande A, Boisset N, Mathieu F, Wegman M, Glancy L, Gasc JM, Brunotte F, Bruneval P, Wolf JE, Michel JB, Jeunemaitre X
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Mutations in myosin heavy chain 11 cause a syndrome associating thoracic aortic aneurysm/aortic dissection and patent ductus arteriosus.
Barbier M, Gross MS, Aubart M, Hanna N, Kessler K, Guo DC, Tosolini L, Ho-Tin-Noe B, Regalado E, Varret M, Abifadel M, Milleron O, Odent S, Dupuis-Girod S, Faivre L, Edouard T, Dulac Y, Busa T, Gouya L, Milewicz DM, Jondeau G, Boileau C
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MFAP5 loss-of-function mutations underscore the involvement of matrix alteration in the pathogenesis of familial thoracic aortic aneurysms and dissections.
Elbitar S, Renard M, Arnaud P, Hanna N, Jacob MP, Guo DC, Tsutsui K, Gross MS, Kessler K, Tosolini L, Dattilo V, Dupont S, Jonquet J, Langeois M, Benarroch L, Aubart M, Ghaleb Y, Abou Khalil Y, Varret M, El Khoury P, Ho-Tin-Noe B, Alembik Y, Gaertner S, Isidor B, Gouya L, Milleron O, Sekiguchi K, Milewicz D, De Backer J, Le Goff C, Michel JB, Jondeau G, Sakai LY, Boileau C, Abifadel M
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Pathogenic variants in THSD4, encoding the ADAMTS-like 6 protein, predispose to inherited thoracic aortic aneurysm.