Clinical findings in five Turkish patients with citrin deficiency and identification of a novel mutation on SLC25A13.
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2019
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Abstract
Background Citrin deficiency (CD) is an autosomal recessive genetic disorder caused by a defect in the mitochondrial aspartate/glutamate antiporter, citrin. Three clinical manifestations have been described until today. Case presentation We reported 5 CD patients from two families. Four patients were male and one patient was female. Two of them have NICCD (neonatal intrahepatic cholestasis caused by citrin deficiency); three of them have CTLN2 (adult-onset type II citrullinemia). Both NICCD patients showed typical clinical and biochemical changes with a diagnosis confirmed by mutations in the SLC25A13 gene. We detected a previously unreported homozygous novel mutation c.478delC (L160Wfs*36 ) on the SLC25A13 gene. All of the CTLN2 patients were siblings. Proband was a 15-year-old mentally retarded and autistic male who had admitted to our emergency with disorientation. Laboratory data showed hyperammonemia and citrullinemia. Conclusions Two different profiles of age-related CD have been depicted with this article. It has been aimed to underline that the CD can be observed in different forms not only in neonatals or little infants but also in adolescents. This article is the first case series that covers both NICCD and CTLN2 cases together and that has been published in Turkey. Considering the fact that especially the majority of CTLN2 cases have been identified in Asian countries, our article has vital importance in terms of defining phenotypic features of the disease.| Reference Key |
kose2019clinicaljournal
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| Authors | Köse, Melis Demir;Kagnici, Mehtap;Özdemir, Taha Reşit;Erdur, Cahit Barış;Erdemir, Gülin;Karakoyun, Miray;Guzin, Yiğit;Ceylaner, Serdar;Genel, Ferah; |
| Journal | journal of pediatric endocrinology & metabolism : jpem |
| Year | 2019 |
| DOI | 10.1515/jpem-2019-0377 |
| URL | |
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