MYT1L mutation in a patient causes intellectual disability and early onset of obesity: a case report and review of the literature

Journal of Pediatric Endocrinology & Metabolism : JPEM
Abeer Al Tuwaijri, Majid Alfadhel

Abstract

Background Obesity has become one of the greatest health risks worldwide. Recently, there was an explosion of information regarding the role of the central nervous system (CNS) in the development of monogenic and syndromic obesity. Case presentation Over the last decade, terminal and interstitial submicroscopic deletions of copy number variants (CNVs) in 2p25.3 and single nucleotide variants (SNVs) in myelin transcription factor 1 like (MYT1L) were detected by genome-wide array analysis and whole exome sequencing (WES) in patients with a nonspecific clinical phenotype that commonly includes intellectual disability (ID), early onset of obesity and speech delay. Here, we report the first Saudi female patient with mild to moderate ID, early onset of obesity and speech delay associated with a de novo pathogenic SNV in the MYT1L gene (c. 1585G>A [Gly529Arg]), which causes an amino acid change from Gly to Arg at position 529 that leads to mental retardation, autosomal dominant 39.

References

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Citations

Feb 18, 2020·American Journal of Medical Genetics. Part a·Isabelle C WindheuserHartmut Engels
Apr 9, 2020·American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics : the Official Publication of the International Society of Psychiatric Genetics·Patricia MansfieldDustin Baldridge
Feb 25, 2021·Obesity Research & Clinical Practice·Laura M L CarvalhoCarla Rosenberg
Apr 8, 2021·Protein & Cell·Tiemin LiuDongsheng Cai
Aug 31, 2021·Endocrine Reviews·Alicia F JuriaansAnita C S Hokken-Koelega

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