Bibliographic Details
| Title: |
A novel UBA1 gene mutation in a patient with infantile respiratory distress syndrome. |
| Authors: |
Miyata, Masafumi, Kojima, Arisa, Kawai, Yuri, Uchida, Hidetoshi, Boda, Hiroko, Ishihara, Naoko, Inagaki, Hidehito, Yoshikawa, Tetsushi, Kurahashi, Hiroki |
| Source: |
Human Genome Variation; 1/6/2025, Vol. 12 Issue 1, p1-3, 3p |
| Subject Terms: |
RESPIRATORY distress syndrome, SPINAL muscular atrophy, LIFE sciences, CYTOLOGY, MISSENSE mutation, X chromosome |
| Abstract: |
UBA1 is an E1 ubiquitin-activating enzyme that initiates the ubiquitylation of target proteins and is thus a key component of the ubiquitin signaling pathway. Three disorders are associated with pathogenic variants of the UBA1 gene: vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic (VEXAS) syndrome, lung cancer in never smokers (LCINS), and X-linked spinal muscular atrophy (XL-SMA, SMAX2). We here report a case of infantile respiratory distress syndrome followed by continuing neuromuscular symptoms. We identified a de novo hemizygous mutation, c.1660 C > T (p.Pro554Ser), in exon 15 of the UBA1 gene in this baby. This missense mutation was located with the AAD (active adenylation domain) of the protein, a known hotspot of SMAX2 mutations. This case lends support to the genotype-phenotype correlation regarding the UBA1 mutation and its related diseases. [ABSTRACT FROM AUTHOR] |
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| Database: |
Complementary Index |
