A novel stop-gain CUL3 mutation in a Japanese patient with autism spectrum disorder
Spectrum disorder
DOI:
10.1016/j.braindev.2020.09.015
Publication Date:
2020-10-21T05:33:01Z
AUTHORS (8)
ABSTRACT
Abstract Background CUL3 encodes cullin-3, a core component of a ubiquitin E3 ligase. CUL3 mutations have recently been associated with autism spectrum disorder (ASD); however, the detailed clinical courses have been described in only a limited number of patients with CUL3 mutations and neurodevelopmental diseases, including ASD. Case report A 21-month-old Japanese girl presented with febrile status epilepticus and thereafter exhibited developmental regression, including loss of her verbal ability, eye contact, and skills in activities of daily living. Trio-based exome sequencing identified a de novo two-base insertion in CUL3, c.1758_1759insTG, p.(Thr587*). Conclusion We report a case of a patient with ASD and a stop-gain CUL3 variant. Screening of CUL3 variants is worth considering for patients with ASD, especially those with Rett-like developmental regression.
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