Description

Thoracic aortopathy with aneurysm can be associated with a number of genetic disorders, which often affect other organs as well.


 

Syndrome

Gene

Name

Marfan Syndrome (MFS)

FBN-1

fibrillin

Loeys-Dietz syndrome (LDS)

5 (see below)

see below

vascular Ehlers-Danlos syndrome (vEDS)

COL3A1

type III procollagen

familial thoracic aortic aneurysm and dissection (FTAAD)

5 (see below)

see below

 

 

LDS Gene

Name

TGFBR1

TGF-beta receptor 1

TGFBR2

TGF-beta receptor 2

SMAD3

SMAD family member 3

TGFB2

TGF-beta 2 ligand

TGFB3

TGF-beta 3 ligand

 

 

FTAAD Gene

Name

ACRA1

smooth muscle alpha-2-actin

MYH11

smooth muscle myosin heavy chain

TGFBR2

TGF-beta receptor 2

MYLK

myosin light chain kinase

PRKG1

type I cGMP-dependent protein kinase regulating smooth muscle cell relaxation

 

 

Syndrome

Clinical Findings

MFS

aortic dilation at sinuses of Valsalva; skeletal, ocular, and cardiovascular defects

LDS

fast-growing thoracic aortic aneurysm with death in early adulthood

vEDS

spontaneous intestinal, arterial or uterine rupture; joint and cutaneous manifestation; high surgical mortality

FTAAD ACTA2

livedo reticularis; iris floculi; patent ductus arteriosus; nonthoracic aneurysm; premature coronary artery disease; ischemic stroke; moyamoya

FTAAD MYH11

patent ductus arteriosus

FTAAD TGFBR2

abdominal, cerebral and coronary aneurysms

FTAAD MYLK

aortic dissection with or without preceding aneurysm

FTAAD PRKG1

aortic dissection at young age; coronary artery aneurysm with dissection

 


To read more or access our algorithms and calculators, please log in or register.