Evidence map›Paper›PMID 32539089›Full record

ArticleBioinformatics (Oxford, England)2020

Phenotype-specific differences in polygenicity and effect size distribution across functional annotation categories revealed by AI-MiXeR.

Alexey A Shadrin, Oleksandr Frei, Olav B Smeland, Francesco Bettella, Kevin S O'Connell, Osman Gani, Shahram Bahrami, Tea K E Uggen, Srdjan Djurovic, Dominic Holland and 2 more

Open access · hybridAbstract read
In one paragraph

Article in Bioinformatics (Oxford, England), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.1field-weighted citation impact, top 21% 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

11 citing papers in PubMed, 11 citations in OpenAlex.

  1. Article
  2. Unravelling the genetic architecture of cerebral small vessel disease in the context of stroke.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2026
    Review
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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

12 authors at 2 institutions in 2 countries.

Alexey A ShadrinNORMENT, Institute of Clinical Medicine, University of Oslo, Oslo 0424, Norway.
Oleksandr FreiNORMENT, Institute of Clinical Medicine, University of Oslo, Oslo 0424, Norway.
Olav B SmelandNORMENT, Institute of Clinical Medicine, University of Oslo, Oslo 0424, Norway.
Francesco BettellaNORMENT, Institute of Clinical Medicine, University of Oslo, Oslo 0424, Norway.
Kevin S O'ConnellNORMENT, Institute of Clinical Medicine, University of Oslo, Oslo 0424, Norway.
Osman GaniNORMENT, Institute of Clinical Medicine, University of Oslo, Oslo 0424, Norway.
Shahram BahramiNORMENT, Institute of Clinical Medicine, University of Oslo, Oslo 0424, Norway.
Tea K E UggenNORMENT, Institute of Clinical Medicine, University of Oslo, Oslo 0424, Norway.
Srdjan DjurovicDepartment of Medical Genetics, Oslo University Hospital, Oslo 0424, Norway.
Dominic HollandCenter for Multimodal Imaging and Genetics, University of California, San Diego, La Jolla, CA, 92037, USA.
Ole A AndreassenNORMENT, Institute of Clinical Medicine, University of Oslo, Oslo 0424, Norway.
Anders M DaleCenter for Multimodal Imaging and Genetics, University of California, San Diego, La Jolla, CA, 92037, USA.
Oslo University Hospital · NOUniversity of California San Diego · US

Funding

ABCD-USA Consortium: Data Analysis, Informatics and Resource CenterU24DA041123 · NIDA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI ANDERS M DALE · 2015 to 2026
$51.5M
NIDA NIH HHS U24 DA041123
6 · The paper itself

Abstract

motivationDetermining the relative contributions of functional genetic categories is fundamental to understanding the genetic etiology of complex human traits and diseases. Here, we present Annotation Informed-MiXeR, a likelihood-based method for estimating the number of variants influencing a phenotype and their effect sizes across different functional annotation categories of the genome using summary statistics from genome-wide association studies.

resultsExtensive simulations demonstrate that the model is valid for a broad range of genetic architectures. The model suggests that complex human phenotypes substantially differ in the number of causal variants, their localization in the genome and their effect sizes. Specifically, the exons of protein-coding genes harbor more than 90% of variants influencing type 2 diabetes and inflammatory bowel disease, making them good candidates for whole-exome studies. In contrast, <10% of the causal variants for schizophrenia, bipolar disorder and attention-deficit/hyperactivity disorder are located in protein-coding exons, indicating a more substantial role of regulatory mechanisms in the pathogenesis of these disorders. AVAILABILITY AND IMPLEMENTATION: The software is available at: https://github.com/precimed/mixer. SUPPLEMENTARY INFORMATION: Supplementary data are available at Bioinformatics online.

Indexed as

Diabetes Mellitus, Type 2Genome-Wide Association StudyHumansLikelihood FunctionsPhenotypeSoftware

Identifiers

PMID32539089
PMCPMC7750998
OpenAlexW3035046071

What OpenQuestion holds

Textmetadata
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.