Defining the Variant-Phenotype Correlation in Patients Affected by Noonan Syndrome with the RAF1:c.770C>T p.(Ser257Leu) Variant

Phenotypic Correlation Study of RAF1:c.770C>T p.(Ser257Leu) Variant in Noonan Syndrome Patients Academic Background Noonan syndrome (NS) is one of the most common RASopathies, primarily caused by the upregulation of RAS protein and mitogen-activated protein kinase (MAPK) signaling pathways. These disorders are characterized by facial dysmorphism, c...