Whole Exome Sequencing Reveals a Hemizygous Mutation in RPS6KA3 as a Cause of Coffin-Lowry Syndrome
Publish place: The 19th Annual Congress of Medical Students of Iran
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
AMSMED19_245
تاریخ نمایه سازی: 1 دی 1397
Abstract:
Background and Objective: Coffin-Lowry syndrome (CLS) is an X-linked disorder in which hemizygous males are more severely affected than females. It has an estimated prevalence of 1 in 50000 to 1 in 100000 male infants. It characterized by mental retardation, short stature, head and facial abnormalities, skeletal anomalies and developmental delays. The signs and symptoms vary in different people. Patient Report: This case study describes a 14-year-old Iranian male patient who was referred to our genetic counseling center for his dysmorphic features and mental retardation. He was second child of non-consanguineous and healthy parents. He had mild intellectual disability and seizure. Facial features included prominent forehead, widely spaced and downward-slanting eyes, broad and short nose, flat nasal bridge, wide mouth with full lips and hypodontia. By whole exome sequencing, we identified a hemizygous missense variant in exon 22 (c.2185C> T; p.Arg729Trp) of RPS6KA3 gene in the patient. Conclusion: We described the clinical and molecular feature of a male Iranian child with CLS due to a de novo missense mutation (c.2185C> T; p.Arg729Trp) in exon 22 of RPS6KA3 gene, displaying a mild mental retardation, seizure and typical facial features.
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Authors
Mojdeh Mansouri
Department of Genetics and Molecular Medicine, School of Medicine, Zanjan University of Medical Sciences (ZUMS), and Zanjan, Iran
Gita Fatemi Abhari
Imam Khomeini Genetic Counseling Center, Welfare Organization of Zanjan, Zanjan, Iran
Ali Nikfar
Imam Khomeini Genetic Counseling Center, Welfare Organization of Zanjan, Zanjan, Iran