Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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! # Ola via Alexandros G.Sfakianakis on Inoreader

Η λίστα ιστολογίων μου

Τετάρτη 14 Φεβρουαρίου 2018

Whole-exome sequencing for diagnosis of hereditary ichthyosis

Abstract

Background

Hereditary ichthyosis constitutes a diverse group of cornification disorders. Identification of the molecular cause facilitates optimal patient care.

Objective

We wanted to estimate the diagnostic yield of applying whole-exome sequencing (WES) in the routine genetic work-up of inherited ichthyosis.

Methods

During a 3-year-period, all ichthyosis patients, except X-linked and mild vulgar ichthyosis, consecutively admitted to a university hospital clinic were offered WES with subsequent analysis of ichthyosis-related genes as a first-line genetic investigation. Clinical and molecular data have been collected retrospectively.

Results

Genetic variants causative for the ichthyosis were identified in 27 out of 34 investigated patients (79.4%). In all, 31 causative mutations across 13 genes were disclosed, including 12 novel variants. TGM1 was the most frequently mutated gene, accounting for 43.7% of patients suffering from autosomal recessive congenital ichthyosis (ARCI).

Conclusion

WES appears an effective tool in disclosing the molecular cause of patients with hereditary ichthyosis seen in clinical practice, and should be considered a first-tier genetic test in these patients.

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