Evidence map›Paper›PMID 16796743›Full record

ArticleBMC medical genetics2006

Evidence for the association of the SLC22A4 and SLC22A5 genes with type 1 diabetes: a case control study.

Jose Luis Santiago, Alfonso Martínez, Hermenegildo de la Calle, Miguel Fernández-Arquero, M Angeles Figueredo, Emilio G de la Concha, Elena Urcelay

Open access · goldAbstract read
In one paragraph

Article in BMC medical genetics, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.4field-weighted citation impact, top 19% 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

18 citing papers in PubMed, 44 citations in OpenAlex.

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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

7 authors at 2 institutions in 1 country.

Jose Luis SantiagoImmunology Department, Hospital Universitario San Carlos, Madrid, Spain. jlsanti@hotmail.com
Alfonso Martínez
Hermenegildo de la Calle
Miguel Fernández-Arquero
M Angeles Figueredo
Emilio G de la Concha
Elena Urcelay
Hospital Clínico San Carlos · ESHospital Universitario Ramón y Cajal · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundType 1 diabetes (T1D) is a chronic, autoimmune and multifactorial disease characterized by abnormal metabolism of carbohydrate and fat. Diminished carnitine plasma levels have been previously reported in T1D patients and carnitine increases the sensitivity of the cells to insulin. Polymorphisms in the carnitine transporters, encoded by the SLC22A4 and SLC22A5 genes, have been involved in susceptibility to two other autoimmune diseases, rheumatoid arthritis and Crohn's disease. For these reasons, we investigated for the first time the association with T1D of six single nucleotide polymorphisms (SNPs) mapping to these candidate genes: slc2F2, slc2F11, T306I, L503F, OCTN2-promoter and OCTN2-intron.

methodsA case-control study was performed in the Spanish population with 295 T1D patients and 508 healthy control subjects. Maximum-likelihood haplotype frequencies were estimated by applying the Expectation-Maximization (EM) algorithm implemented by the Arlequin software.

resultsWhen independently analyzed, one of the tested polymorphisms in the SLC22A4 gene at 1672 showed significant association with T1D in our Spanish cohort. The overall comparison of the inferred haplotypes was significantly different between patients and controls (chi2 = 10.43; p = 0.034) with one of the haplotypes showing a protective effect for T1D (rs3792876/rs1050152/rs2631367/rs274559, CCGA: OR = 0.62 (0.41-0.93); p = 0.02).

conclusionThe haplotype distribution in the carnitine transporter locus seems to be significantly different between T1D patients and controls; however, additional studies in independent populations would allow to confirm the role of these genes in T1D risk.

Indexed as

Genetic Predisposition to DiseasePolymorphism, Single NucleotideAdolescentAdultCase-Control StudiesChildChild, PreschoolChromosomes, Human, Pair 5Diabetes Mellitus, Type 1FemaleHaplotypesHumansInfantMaleMiddle AgedOrganic Cation Transport ProteinsOrganic Cation Transport ProteinsSLC22A4 protein, humanSLC22A5 protein, humanSolute Carrier Family 22 Member 5Symporters

Identifiers

PMID16796743
PMCPMC1513557
OpenAlexW1910168174

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.