Evidence map›Paper›PMID 29133642›Full record

Observational studyIndian journal of ophthalmology2017

Frequency of primary mutations of Leber's hereditary optic neuropathy patients in North Indian population.

Anushree Mishra, Saranya Devi, Rohit Saxena, Neerja Gupta, Madhulika Kabra, Madhumita Roy Chowdhury

Open access · diamondAbstract readObservational Study
In one paragraph

Observational study in Indian journal of ophthalmology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 2 pooled it
0.4field-weighted citation impact, top 36% 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

8 citing papers in PubMed, 2 syntheses or guidelines pooled it, 15 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Article
  5. Article
  6. Leber hereditary optic neuropathy-new insights and old challenges.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2021
    Review
  7. Article
  8. Article
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

6 authors at 1 institution in 1 country.

Anushree MishraDepartment of Paediatrics, Division of Genetics, All India Institute of Medical Sciences, New Delhi, India.
Saranya DeviDr Rajendra Prasad Centre for Ophthalmic Sciences, All Indian Institute of Medical Sciences, New Delhi, India.
Rohit SaxenaDr Rajendra Prasad Centre for Ophthalmic Sciences, All Indian Institute of Medical Sciences, New Delhi, India.
Neerja GuptaDepartment of Paediatrics, Division of Genetics, All India Institute of Medical Sciences, New Delhi, India.
Madhulika KabraDepartment of Paediatrics, Division of Genetics, All India Institute of Medical Sciences, New Delhi, India.
Madhumita Roy ChowdhuryDepartment of Paediatrics, Division of Genetics, All India Institute of Medical Sciences, New Delhi, India.
All India Institute of Medical Sciences · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeLeber's hereditary optic neuropathy (LHON) is an inherited optic neuropathy characterized by subacute painless vision loss. The majority of LHON is caused due to one of the three primary mutations in the mitochondrial DNA (m.G3460A, m.G11778A, and m.T14484C). The frequency of these mutations differs in different populations. The purpose of this study is to observe the frequency of three common primary mutations in the North Indian population.

methodsForty LHON patients within the age group of 10-50 years underwent molecular testing for primary mutations. For two patients, testing for mother and other siblings was also carried out, using bidirectional sequencing.

resultsA total of 11 out of 40 (27.5%) patients were found to be carrying m.G11778A mutation. Siblings of two probands were also positive for the same mutation. In one family, two primary mutations (m.G11778A and m.T14484C) were found in the proband and in the mother as well.

conclusionIn this study, 27.5% mutation was detected in North Indian LHON families. These results suggest that m.G11778A mutation is more frequent in this population. The results of the present study are compatible with studies of an Asian population and Northern European population.

Indexed as

MutationAdolescentAdultAsian PeopleChildDNA, MitochondrialDNA Mutational AnalysisGene FrequencyHumansIndiaMaleMiddle AgedNADH DehydrogenaseOptic Atrophy, Hereditary, LeberProspective StudiesDNA, MitochondrialMT-ND6 protein, humanNADH DehydrogenaseNADH dehydrogenase subunit 1, humanNADH dehydrogenase subunit 4

Identifiers

PMID29133642
PMCPMC5700584
OpenAlexW2769777255

What OpenQuestion holds

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LicenceCC BY-NC-SA
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.