Abstract Noonan syndrome (NS) is an autosomal dominant disorder characterized by multiple dysmorphic features and a broad spectrum of congenital heart defects. Specific mutations of the PTPN11 gene are associated with 50% of the NS cases and 90% of the multiple lentigines/ LEOPARD syndrome (ML/LS) cases. These two allelic conditions have several overlapping clinical features. This study describes the association between the Gln510Glu mutation of the PTPN11 gene and lethal progressive hypertrophic cardiomyopathy (HCM) in a newborn with the NS phenotype. The findings confirm the intriguing relationship between site-specific mutations of the PTPN11 gene and rapidly progressive HCM.

PTPN11 gene mutation and severe neonatal hypertrophic cardiomyopathy: what is the link?

FAIENZA, Maria Felicia;CAVALLO, Luciano
2009

Abstract

Abstract Noonan syndrome (NS) is an autosomal dominant disorder characterized by multiple dysmorphic features and a broad spectrum of congenital heart defects. Specific mutations of the PTPN11 gene are associated with 50% of the NS cases and 90% of the multiple lentigines/ LEOPARD syndrome (ML/LS) cases. These two allelic conditions have several overlapping clinical features. This study describes the association between the Gln510Glu mutation of the PTPN11 gene and lethal progressive hypertrophic cardiomyopathy (HCM) in a newborn with the NS phenotype. The findings confirm the intriguing relationship between site-specific mutations of the PTPN11 gene and rapidly progressive HCM.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11586/122040
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