Genopathy
Gene-Disorder Association · Article
Gene
TOP3A
DNA Topoisomerase III Alpha
Disorder
Progressive External Ophthalmoplegia With Mitochondrial Dna Deletions, Autosomal Recessive 5
First reported 2018
Supporting publications 2
Key publication · disorder Topoisomerase 3α Is Required for Decatenation and Segregation of Human mtDNA.Molecular cell · 2018
Manually curated
Association Review

In brief

The association between TOP3A (DNA Topoisomerase III Alpha) and Progressive External Ophthalmoplegia With Mitochondrial Dna Deletions, Autosomal Recessive 5 is well established and manually curated, with its 4 contributing sources — 3 of them expert-curated — recording a known molecular basis, pathogenic variants, and causative variation.

Sources 4
Clinical variants 17
Symptoms 34
Compounds 0
Trials 0
Publications 2
01
At a glance

Association overview

A cited synthesis of the gene–disorder association, with a clinical-actionability summary where the evidence supports one.

Request access
02
Provenance

Evidence and sources

4 sources

Every contributing database and publication behind this association, with evidence type, strength, accessions and deep links.

Request access
03
TOP3A

The gene

1 source summary

A gene summary alongside the source descriptions it was distilled from.

Request access
04
Progressive External Ophthalmoplegia With Mitochondrial Dna Deletions, Autosomal Recessive 5

The disorder

7 database identifiers

The disorder’s summary, prevalence, aliases and cross-reference identifiers (OMIM, Orphanet, MONDO, ICD-10, MedGen).

Request access
05
Phenotype

Clinical features

18 clinical features

The disorder’s clinical features (HPO) grouped by body system, each with observed frequency and penetrance.

Request access
06
ClinVar and variant evidence

Genetic basis

17 clinical variants

ClinVar variants reported for this pair, with disorder-specific significance, review status, molecular consequence and origin.

Request access
07
Mechanism overlap

Shared mechanisms

Biological pathways and phenotype concepts shared by the gene and the disorder, with supporting publications.

Request access
08
Literature

Reading

2 publications

Publications linking the gene and the disorder, with title, authors, journal, year and citation metrics.

Request access
09
Provenance

References & sources

8 references

Every source and publication cited across this dossier, as one numbered reference list.

Request access