Article
Novel SLC5A6 mutations lead to B lymphocyte maturation defects with metabolic abnormality rescuable by biotin replenishment.
Clinical immunology (Orlando, Fla.) - 1 Dec 2023
Hsieh Chu-Han, Lee Ju, Sung Hsiang-Hsuan, Huang Ya-Fang, Ding Yu-Sian, Li Chia-Yi, Yen Chia-Liang, Hsu Chao-Kai, Yu Chun-Keung, Hsieh Hsin-Ying, Hughes Michael Warren, Chen Peng-Chieh, Shieh Chi-Chang
Abstract excerpt
We characterized a family diagnosed with immunodeficiency disease presenting with low immunoglobulin levels and skin dyskeratosis. Exome sequencing revealed compound heterozygous missense variants in SLC5A6, the gene encoding a cellular sodium-dependent multivitamin transporter (SMVT) responsible for transporting vitamins, including biotin (vitamin B7). We showed that the biotin deficiency was caused by the...
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