OPA1 analysis in an international series of probands with bilateral optic atrophy

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11110%2F17%3A10363999" target="_blank" >RIV/00216208:11110/17:10363999 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00064165:_____/17:10363999

Výsledek na webu

<a href="http://dx.doi.org/10.1111/aos.13285" target="_blank" >http://dx.doi.org/10.1111/aos.13285</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/aos.13285" target="_blank" >10.1111/aos.13285</a>

Jazyk výsledku

angličtina

Název v původním jazyce

OPA1 analysis in an international series of probands with bilateral optic atrophy

Popis výsledku v původním jazyce

PurposeTo determine the molecular genetic cause in previously unreported probands with optic atrophy from the United Kingdom, Czech Republic and Canada. MethodsOPA1 coding regions and flanking intronic sequences were screened by direct sequencing in 82 probands referred with a diagnosis of bilateral optic atrophy. Detected rare variants were assessed for pathogenicity by in silico analysis. Segregation of the identified variants was performed in available first degree relatives. ResultsA total of 29 heterozygous mutations evaluated as pathogenic were identified in 42 probands, of these seven were novel. In two probands, only variants of unknown significance were found. 76% of pathogenic mutations observed in 30 (71%) of 42 probands were evaluated to lead to unstable transcripts resulting in haploinsufficiency. Three probands with the following disease-causing mutations c.1230+1G&gt;A, c.1367G&gt;A and c.2965dup were documented to suffer from hearing loss and/or neurological impairment. ConclusionsOPA1 gene screening in patients with bilateral optic atrophy is an important part of clinical evaluation as it may establish correct clinical diagnosis. Our study expands the spectrum of OPA1 mutations causing dominant optic atrophy and supports the fact that haploinsufficiency is the most common disease mechanism.

Název v anglickém jazyce

OPA1 analysis in an international series of probands with bilateral optic atrophy

Popis výsledku anglicky

PurposeTo determine the molecular genetic cause in previously unreported probands with optic atrophy from the United Kingdom, Czech Republic and Canada. MethodsOPA1 coding regions and flanking intronic sequences were screened by direct sequencing in 82 probands referred with a diagnosis of bilateral optic atrophy. Detected rare variants were assessed for pathogenicity by in silico analysis. Segregation of the identified variants was performed in available first degree relatives. ResultsA total of 29 heterozygous mutations evaluated as pathogenic were identified in 42 probands, of these seven were novel. In two probands, only variants of unknown significance were found. 76% of pathogenic mutations observed in 30 (71%) of 42 probands were evaluated to lead to unstable transcripts resulting in haploinsufficiency. Three probands with the following disease-causing mutations c.1230+1G&gt;A, c.1367G&gt;A and c.2965dup were documented to suffer from hearing loss and/or neurological impairment. ConclusionsOPA1 gene screening in patients with bilateral optic atrophy is an important part of clinical evaluation as it may establish correct clinical diagnosis. Our study expands the spectrum of OPA1 mutations causing dominant optic atrophy and supports the fact that haploinsufficiency is the most common disease mechanism.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

30207 - Ophthalmology

Projekt

<a href="/cs/project/NV16-32341A" target="_blank" >NV16-32341A: Mitochondriální onemocnění s očními komplikacemi – studium rizikových faktorů a optimalizace diagnosticko-terapeutického algoritmu</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Acta Ophthalmologica

ISSN

1755-375X

e-ISSN

—

Svazek periodika

95

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

DK - Dánské království

Počet stran výsledku

7

Strana od-do

363-369

Kód UT WoS článku

000403361300030

EID výsledku v databázi Scopus

2-s2.0-85005990770