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Updated: Jul 1, 2025
In Vivo Functional Study of Disease-associated Rare Human Variants Using Drosophila
Published on: August 20, 2019
Rare predicted deleterious FEZF2 variants are associated with a neurodevelopmental phenotype
Alison Garber1, Lisa S Weingarten1, Nicolas J Abreu2
1Department of Pediatrics, Columbia University, New York, New York, USA.
Rare variants in the FEZF2 gene are linked to neurodevelopmental disorders, including autism and intellectual disability. These genetic changes may disrupt neuron development and contribute to these conditions.
Area of Science:
- Genetics
- Neuroscience
- Developmental Biology
Background:
- FEZF2 is a transcription factor crucial for neurodevelopment.
- Previous studies suggested FEZF2 variants in autism and 3p14 microdeletions linked to neurodevelopmental issues.
Purpose of the Study:
- To investigate the role of FEZF2 variants in neurodevelopmental disorders.
- To identify and characterize deleterious variants in FEZF2.
Main Methods:
- Genetic analysis of individuals with neurodevelopmental disorders.
- Identification and classification of FEZF2 variants (frameshift, missense, nonsense, deletion).
- Assessment of variant inheritance patterns (de novo, paternal).
Main Results:
- Seven heterozygous predicted deleterious FEZF2 variants were identified in unrelated individuals.
- Disorders included developmental delay, intellectual disability, autism, and ADHD.
- Variants were de novo in five cases and paternally inherited in one.
Conclusions:
- Predicted deleterious FEZF2 variants are associated with neurodevelopmental disorders.
- These variants may impact neuronal fate choice pathways.
- Further research is needed to elucidate the precise mechanisms involved.
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