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A Novel 8-Bp Duplication in Adat3 Causes Mild Intellectual Disability Publisher



Salehi Chaleshtori AR1 ; Miyake N2 ; Ahmadvand M3 ; Bashti O4 ; Matsumoto N2 ; Noruzinia M1
Authors
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Authors Affiliations
  1. 1. Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, P.O. Box 14115-331, Tehran, Iran
  2. 2. Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, 236-0004, Japan
  3. 3. Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, P.O. Box 14114, Tehran, Iran
  4. 4. Laboratory of Medical Genetics, IHealth Clinics, P.O. Box 1913874416, Tehran, Iran

Source: Human Genome Variation Published:2018


Abstract

Inosine is a base located at wobble position 34 of the tRNA anticodon stem-loop, enabling the recognition of more than one codon in the translation process. A heterodimer consists of ADAT3 and ADAT2 and is involved in the adenosine-to-inosine conversion in tRNA. Here, we report the second novel ADAT3 mutation in a patient with microcephaly, intellectual disability, and hyperactivity. These findings constitute a second mutation and expand the clinical spectrum of extremely rare ADAT3 mutations. © 2018 The Author(s).