| Autor: |
Alejandro García-Castaño, Leire Madariaga, Montserrat Antón-Gamero, Natalia Mejia, Jenny Ponce, Sara Gómez-Conde, Gustavo Pérez de Nanclares, Ana Belén De la Hoz, Rosa Martínez, Laura Saso, Idoia Martínez de LaPiscina, Inés Urrutia, Olaia Velasco, Aníbal Aguayo, Luis Castaño, Sonia Gaztambide |
| Jazyk: |
angličtina |
| Rok vydání: |
2020 |
| Předmět: |
|
| Zdroj: |
PLoS ONE, Vol 15, Iss 9, p e0239965 (2020) |
| Druh dokumentu: |
article |
| ISSN: |
1932-6203 |
| DOI: |
10.1371/journal.pone.0239965 |
| Popis: |
The maintenance of magnesium (Mg2+) homeostasis is essential for human life. The Cystathionine-β-synthase (CBS)-pair domain divalent metal cation transport mediators (CNNMs) have been described to be involved in maintaining Mg2+ homeostasis. Among these CNNMs, CNNM2 is expressed in the basolateral membrane of the kidney tubules where it is involved in Mg2+ reabsorption. A total of four patients, two of them with a suspected disorder of calcium metabolism, and two patients with a clinical diagnosis of primary tubulopathy were screened for mutations by Next-Generation Sequencing (NGS). We found one novel likely pathogenic variant in the heterozygous state (c.2384C>A; p.(Ser795*)) in the CNNM2 gene in a family with a suspected disorder of calcium metabolism. In this family, hypomagnesemia was indirectly discovered. Moreover, we observed three novel variants of uncertain significance in heterozygous state in the other three patients (c.557G>C; p.(Ser186Thr), c.778A>T; p.(Ile260Phe), and c.1003G>A; p.(Asp335Asn)). Our study shows the utility of Next-Generation Sequencing in unravelling the genetic origin of rare diseases. In clinical practice, serum Mg2+ should be determined in calcium and PTH-related disorders. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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