hrp0082p2-d1-284 | Bone | ESPE2014

Increased Fracture Rate in Children and Adolescents with Marfan Syndrome

Trifiro Giuliana , Marelli Susan , Mora Stefano , Pini Alessandro

Background: Marfan syndrome (MFS) is an autosomal dominant disorder of connective tissue. Cardinal features affect cardiovascular system, eyes and skeleton. It is caused by mutations of FBN1 gene, which encodes the extracellular matrix protein fibrillin 1. The improper activation of TGFβ, due to defective fibrillin-1, is the pathophysiological mechanism. The altered modulation leads to overgrowth of long bones (disproportionate stature) and altered bone morphology.<p ...