Analysis of four carnitine-acylcarnitine translocase deficiency cases caused by homozygous mutation of SLC25A20 c.199-10T> G

Objective: To investigate the clinical, biochemical and genetic features of four carnitine-acylcarnitine translocase deficiency cases. Methods: Four cases diagnosed with carnitine-acylcarnitine translocase deficiency from Guangxi Maternal and Child Health Hospital were studied. DNA was extracted fro...

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Veröffentlicht in:Zhonghua er ke za zhi = Chinese journal of pediatrics. - 1960. - 56(2018), 7 vom: 02. Juli, Seite 545-549
1. Verfasser: Fan, X (VerfasserIn)
Weitere Verfasser: Xie, B B, Zhang, Q, Yi, S, Geng, G X, Yang, Q, Luo, J S, Wang, J, Li, C, Chen, S K, Shen, Y P
Format: Online-Aufsatz
Sprache:Chinese
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Zhonghua er ke za zhi = Chinese journal of pediatrics
Schlagworte:Case Reports Journal Article Carnitine acyltransferases Metabolism, inborn errors Membrane Transport Proteins SLC25A20 protein, human EC 2.3.1. Carnitine Acyltransferases EC 2.3.1.- Carnitine S7UI8SM58A
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245 1 0 |a Analysis of four carnitine-acylcarnitine translocase deficiency cases caused by homozygous mutation of SLC25A20 c.199-10T> G 
264 1 |c 2018 
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500 |a Citation Status MEDLINE 
520 |a Objective: To investigate the clinical, biochemical and genetic features of four carnitine-acylcarnitine translocase deficiency cases. Methods: Four cases diagnosed with carnitine-acylcarnitine translocase deficiency from Guangxi Maternal and Child Health Hospital were studied. DNA was extracted from dry blood filter for gene analysis. SLC25A20 gene analysis was performed in 1 case and the whole exon sequence analysis was performed in 3 cases. Results: Retrospective study on unrelated carnitine-acylcarnitine translocase deficiency patients, the age of onset was 1-28 d, the age of death were 1.5-30 d, main clinical features were hypoglycemia (4 cases), arrhythmia (2 cases), sudden death (2 cases). Biochemical test showed hypoglycemia (1.2-2.0 mmol/L) , elevated creatine kinase (955-8 361 U/L) and creatine kinase isozyme(199-360 U/L), normal or decreased free carnitine level (3.70-27.07 μmol/L) , elevated long-chain acylcarnitine (palmityl carnitine 1.85-14.84 μmol/L). The gene tests showed that all 4 cases carried SLC25A20 gene c.199-10T> G homozygous mutation, inherited from their parents. By analyzing the haplotype, we found that the mutation loci of C. 199-10T> G were all in the same haplotype. Conclusion: The c.199-10T> G mutation is an important molecular cause of carnitine-acylcarnitine translocase deficiency, which has relatively high frequency in Guangxi population, and is related to the founder effect 
650 4 |a Case Reports 
650 4 |a Journal Article 
650 4 |a Carnitine acyltransferases 
650 4 |a Metabolism, inborn errors 
650 7 |a Membrane Transport Proteins  |2 NLM 
650 7 |a SLC25A20 protein, human  |2 NLM 
650 7 |a EC 2.3.1.  |2 NLM 
650 7 |a Carnitine Acyltransferases  |2 NLM 
650 7 |a EC 2.3.1.-  |2 NLM 
650 7 |a Carnitine  |2 NLM 
650 7 |a S7UI8SM58A  |2 NLM 
700 1 |a Xie, B B  |e verfasserin  |4 aut 
700 1 |a Zhang, Q  |e verfasserin  |4 aut 
700 1 |a Yi, S  |e verfasserin  |4 aut 
700 1 |a Geng, G X  |e verfasserin  |4 aut 
700 1 |a Yang, Q  |e verfasserin  |4 aut 
700 1 |a Luo, J S  |e verfasserin  |4 aut 
700 1 |a Wang, J  |e verfasserin  |4 aut 
700 1 |a Li, C  |e verfasserin  |4 aut 
700 1 |a Chen, S K  |e verfasserin  |4 aut 
700 1 |a Shen, Y P  |e verfasserin  |4 aut 
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