Evidence map›Paper›PMID 16415884›Full record

ArticleNature genetics2006

Variant of transcription factor 7-like 2 (TCF7L2) gene confers risk of type 2 diabetes.

Struan F A Grant, Gudmar Thorleifsson, Inga Reynisdottir, Rafn Benediktsson, Andrei Manolescu, Jesus Sainz, Agnar Helgason, Hreinn Stefansson, Valur Emilsson, Anna Helgadottir and 19 more

Registry-linked trialAbstract read
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In one paragraph

Article in Nature genetics, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07653412 (Prediction of Response to GLP-1/GIP Receptor Agonists in Obesity Using Genetic Risk Score and SNP Profiling), which is not on this map. Cited by 1,004 papers, 7 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
1,004citing papers in PubMed, 7 pooled it
129.5field-weighted citation impact, top 1% 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.

NCT07653412 recruitingstarted 2026, after this paper: background citation

Prediction of Response to GLP-1/GIP Receptor Agonists in Obesity Using Genetic Risk Score and SNP Profiling: A Prospective Cohort Study.

Ran2026Enrolled220Registered outcomes1Posted comparisons0ConditionsAnti-obesity Agents, Obesity (Disorder), Precision MedicineArmssemaglutide or tirzepatide
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3 · Its place in the literature

Who cites it

1,004 citing papers in PubMed, 7 syntheses or guidelines pooled it, 2,266 citations in OpenAlex.

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  15. Integrative Clinical and Functional Characterization of theDiagnostics (Basel, Switzerland) · 2026
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944 more citing papers are in PubMed but not listed here.

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

29 authors at 5 institutions in 3 countries.

Struan F A GrantdeCODE genetics, Sturlugata 8, 101 Reykjavik, Iceland. struan.grant@decode.is
Gudmar Thorleifsson
Inga Reynisdottir
Rafn Benediktsson
Andrei Manolescu
Jesus Sainz
Agnar Helgason
Hreinn Stefansson
Valur Emilsson
Anna Helgadottir
Unnur Styrkarsdottir
Kristinn P Magnusson
G Bragi Walters
Ebba Palsdottir
Thorbjorg Jonsdottir
Thorunn Gudmundsdottir
Arnaldur Gylfason
Jona Saemundsdottir
Robert L Wilensky
Muredach P Reilly
Daniel J Rader
Yu Bagger
Claus Christiansen
Vilmundur Gudnason
Gunnar Sigurdsson
Unnur Thorsteinsdottir
Jeffrey R Gulcher
Augustine Kong
Kari Stefansson
deCODE Genetics (Iceland) · ISUniversity of Pennsylvania · USCenter for Clinical & Basic Research · DKIcelandic Heart Association · ISNational University Hospital of Iceland · IS

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We have previously reported suggestive linkage of type 2 diabetes mellitus to chromosome 10q. We genotyped 228 microsatellite markers in Icelandic individuals with type 2 diabetes and controls throughout a 10.5-Mb interval on 10q. A microsatellite, DG10S478, within intron 3 of the transcription factor 7-like 2 gene (TCF7L2; formerly TCF4) was associated with type 2 diabetes (P = 2.1 x 10(-9)). This was replicated in a Danish cohort (P = 4.8 x 10(-3)) and in a US cohort (P = 3.3 x 10(-9)). Compared with non-carriers, heterozygous and homozygous carriers of the at-risk alleles (38% and 7% of the population, respectively) have relative risks of 1.45 and 2.41. This corresponds to a population attributable risk of 21%. The TCF7L2 gene product is a high mobility group box-containing transcription factor previously implicated in blood glucose homeostasis. It is thought to act through regulation of proglucagon gene expression in enteroendocrine cells via the Wnt signaling pathway.

Indexed as

Chromosome MappingChromosomes, Human, Pair 10Cohort StudiesDenmarkDiabetes Mellitus, Type 2Gene FrequencyGenetic Carrier ScreeningGenetic Predisposition to DiseaseHumansIntronsMicrosatellite RepeatsMolecular Sequence DataReference ValuesTCF Transcription FactorsTranscription Factor 7-Like 2 ProteinTCF7L2 protein, humanTCF Transcription FactorsTranscription Factor 7-Like 2 Protein

Identifiers

PMID16415884
OpenAlexW1965141016

What OpenQuestion holds

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Registered trials

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.