Postnatal neurodevelopmental disorders: meeting at the synapse?

Area of Science:

• Neuroscience
• Developmental Biology
• Genetics

Background:

• Neurodevelopmental disorders are often presumed to originate prenatally.
• However, some disorders manifest postnatally after typical development.
• Autism and Rett syndrome exemplify these later-onset conditions.

Purpose of the Study:

• To explore phenotypic and pathogenic similarities between autism and Rett syndrome.
• To propose a unifying hypothesis for the etiology of these disorders.

Main Methods:

• Comparative analysis of clinical features (phenotype) of autism and Rett syndrome.
• Examination of underlying molecular and cellular mechanisms (pathogenesis).

Main Results:

• Identified shared characteristics in the clinical presentation of autism and Rett syndrome.
• Highlighted commonalities in the pathogenic pathways investigated.

Conclusions:

• Autism and Rett syndrome share significant phenotypic and pathogenic parallels.
• Disruption of postnatal, experience-dependent synaptic plasticity is proposed as a common underlying cause.