Evidence map›Paper›PMID 22879922›Full record

ArticlePloS one2012

Rare primary mitochondrial DNA mutations and probable synergistic variants in Leber's hereditary optic neuropathy.

Alessandro Achilli, Luisa Iommarini, Anna Olivieri, Maria Pala, Baharak Hooshiar Kashani, Pascal Reynier, Chiara La Morgia, Maria Lucia Valentino, Rocco Liguori, Fabio Pizza and 16 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
59citing papers in PubMed, 2 pooled it
2.8field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

59 citing papers in PubMed, 2 syntheses or guidelines pooled it, 106 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. [Zhejiang da xue xue bao. Yi xue ban = Journal of Zhejiang University. Medical sciences · 2026
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  16. Leber's Hereditary Optic Neuropathy.Medical archives (Sarajevo, Bosnia and Herzegovina) · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

26 authors at 13 institutions in 3 countries.

Alessandro AchilliDipartimento di Biologia Cellulare e Ambientale, Università di Perugia, Perugia, Italy.
Luisa Iommarini
Anna Olivieri
Maria Pala
Baharak Hooshiar Kashani
Pascal Reynier
Chiara La Morgia
Maria Lucia Valentino
Rocco Liguori
Fabio Pizza
Piero Barboni
Federico Sadun
Anna Maria De Negri
Massimo Zeviani
Helene Dollfus
Antoine Moulignier
Ghislaine Ducos
Christophe Orssaud
Dominique Bonneau
Vincent Procaccio
Beate Leo-Kottler
Sascha Fauser
Bernd Wissinger
Patrizia Amati-Bonneau
Antonio Torroni
Valerio Carelli
University of Bologna · ITUniversity of Pavia · ITInserm · FRSTZ eyetrial · DEUniversité d'Angers · FRAssistance Publique – Hôpitaux de Paris · FRAzienda Ospedaliera San Camillo-Forlanini · ITClinique Saint Jean Languedoc · FRFondation Ophtalmologique Adolphe de Rothschild · FRFondazione IRCCS Istituto Neurologico Carlo Besta · ITHôpitaux Universitaires de Strasbourg · FRUniversity of Cologne · DEUniversity of Perugia · IT

Funding

Telethon GGP06233Telethon GPP10005
6 · The paper itself

Abstract

backgroundLeber's hereditary optic neuropathy (LHON) is a maternally inherited blinding disorder, which in over 90% of cases is due to one of three primary mitochondrial DNA (mtDNA) point mutations (m.11778G>A, m.3460G>A and m.14484T>C, respectively in MT-ND4, MT-ND1 and MT-ND6 genes). However, the spectrum of mtDNA mutations causing the remaining 10% of cases is only partially and often poorly defined. METHODOLOGY/PRINCIPAL

findingsIn order to improve such a list of pathological variants, we completely sequenced the mitochondrial genomes of suspected LHON patients from Italy, France and Germany, lacking the three primary common mutations. Phylogenetic and conservation analyses were performed. Sixteen mitochondrial genomes were found to harbor at least one of the following nine rare LHON pathogenic mutations in genes MT-ND1 (m.3700G>A/p.A132T, m.3733G>A-C/p.E143K-Q, m.4171C>A/p.L289M), MT-ND4L (m.10663T>C/p.V65A) and MT-ND6 (m.14459G>A/p.A72V, m.14495A>G/p.M64I, m.14482C>A/p.L60S, and m.14568C>T/p.G36S). Phylogenetic analyses revealed that these substitutions were due to independent events on different haplogroups, whereas interspecies comparisons showed that they affected conserved amino acid residues or domains in the ND subunit genes of complex I. CONCLUSIONS/SIGNIFICANCE: Our findings indicate that these nine substitutions are all primary LHON mutations. Therefore, despite their relative low frequency, they should be routinely tested for in all LHON patients lacking the three common mutations. Moreover, our sequence analysis confirms the major role of haplogroups J1c and J2b (over 35% in our probands versus 6% in the general population of Western Europe) and other putative synergistic mtDNA variants in LHON expression.

Indexed as

Amino Acid SequenceBase SequenceConserved SequenceDNA, MitochondrialFamilyHumansMitochondrial ProteinsMolecular Sequence DataMutationOptic Atrophy, Hereditary, LeberPhylogenyPolymorphism, Restriction Fragment LengthSequence AlignmentSpecies SpecificityDNA, MitochondrialMitochondrial Proteins

Identifiers

PMID22879922
PMCPMC3411744
OpenAlexW2125489257

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.