Evidence map›Paper›PMID 19479871›Full record

ArticleArthritis and rheumatism2009

Clinical disease among patients heterozygous for familial Mediterranean fever.

Dina Marek-Yagel, Yackov Berkun, Shai Padeh, Almogit Abu, Haike Reznik-Wolf, Avi Livneh, Mordechai Pras, Elon Pras

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In one paragraph

Article in Arthritis and rheumatism, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 88 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
88citing papers in PubMed, 1 pooled it
5.0field-weighted citation impact, top 4% 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

88 citing papers in PubMed, 1 synthesis or guideline pooled it, 213 citations in OpenAlex.

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  7. [An unusual cause for kidney transplantation].Innere Medizin (Heidelberg, Germany) · 2026
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  19. Implications of combinedFrontiers in immunology · 2023
    Article
  20. Screening for Fabry's disease in a high-risk subpopulation of FMF.European journal of medical research · 2022
    Article

28 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 3 institutions in 1 country.

Dina Marek-YagelDanek Gertner Institute of Human Genetics, Sheba Medical Center, Tel Hashomer, Israel, and Sackler School of Medicine, Tel Aviv University, Ramat Aviv, Israel.
Yackov Berkun
Shai Padeh
Almogit Abu
Haike Reznik-Wolf
Avi Livneh
Mordechai Pras
Elon Pras
Sheba Medical Center · ILEdmond and Lily Safra Children's Hospital · ILTel Aviv University · IL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo define the molecular basis of familial Mediterranean fever (FMF) in patients with only 1 mutation in the MEFV gene.

methodsGenetic analysis was performed in 20 FMF patients, including full sequencing of complementary DNA (cDNA) samples and multiplex ligation-dependent probe amplification analysis. In patients with first-degree relatives with FMF, haplotype analysis was also performed.

resultsA second mutation was found in 2 patients. In the other 18 patients, we could not identify additional mutations, large genomic deletions, or duplications. Analysis of single-nucleotide polymorphisms along the cDNA ruled out a lack of expression of 1 of the alleles. In 2 of the 3 families in which more than 1 sibling had FMF, we showed that the affected siblings inherited a different MEFV allele from the parent who did not have the MEFV mutation.

conclusionThese findings are highly consistent with the existence of a clinical phenotype among some patients who are heterozygous for FMF and could explain the vertical transmission in some families. A single mutation in the MEFV gene may be much more common than was previously thought and may include up to 25% of patients who are diagnosed as having FMF.

Indexed as

HeterozygoteAdolescentAdultAllelesChildChild, PreschoolCytoskeletal ProteinsDNAFamilial Mediterranean FeverFemaleGenetic TestingHaplotypesHumansMaleMiddle AgedMutationCytoskeletal ProteinsDNAMEFV protein, humanPyrin

Identifiers

PMID19479871
OpenAlexW2015206858

What OpenQuestion holds

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Registered trials

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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.