A 1.5Mb terminal deletion of 12p associated with autism spectrum disorder
Isabela M W Silva1, Jill Rosenfeld2, Sergio A Antoniuk3
1Group for Advanced Molecular Investigation (NIMA), School of Health and Biosciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Paraná, Brazil.
Abstract:
We report a patient with a terminal 12p deletion associated with autism spectrum disorder (ASD). This 12p13.33 deletion is 1.5Mb in size and encompasses 13 genes (B4GALNT3, CCDC77, ERC1, FBXL14, IQSEC3, KDM5A, LINC00942, LOC574538, NINJ2, RAD52, SLC6A12, SLC6A13 and WNK1). All previous cases reported with partial monosomy of 12p13.33 are associated with neurodevelopmental delay, and we suggest that ERC1, which encodes a regulator of neurotransmitter release, is the best gene candidate contributing to this phenotype as well as to the ASD of our patient.
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