Evidence map›Paper›PMID 41634041›Full record

ArticleNature communications2026

A multi-ancestry genetic reference for the Quebec population.

Peyton McClelland, Georgette Femerling, Rose Laflamme, Alejandro Mejia-Garcia, Mohadese Sayahian Dehkordi, Hongyu Xiao, Alex Diaz-Papkovich, Justin Pelletier, Jean-Christophe Grenier, Ken Sin Lo and 24 more

Abstract read
In one paragraph

Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
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.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

34 authors.

Peyton McClelland *Department of Human Genetics, McGill CERC Program in Genomic Medicine, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.ORCID http://orcid.org/0009-0009-7671-8506
Georgette Femerling *Department of Human Genetics, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.
Rose Laflamme *Montreal Heart Institute, Montreal, QC, Canada.
Alejandro Mejia-Garcia *Department of Human Genetics, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.
Mohadese Sayahian Dehkordi *Department of Human Genetics, McGill CERC Program in Genomic Medicine, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.
Hongyu XiaoDepartment of Human Genetics, McGill CERC Program in Genomic Medicine, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.ORCID http://orcid.org/0009-0006-1022-5440
Alex Diaz-PapkovichQuantitative Life Sciences, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.
Justin PelletierDepartment of Human Genetics, McGill CERC Program in Genomic Medicine, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.
Jean-Christophe GrenierMontreal Heart Institute, Montreal, QC, Canada.
Ken Sin LoMontreal Heart Institute, Montreal, QC, Canada.ORCID http://orcid.org/0000-0003-1904-2625
Luke Anderson-TrocméDepartment of Human Genetics, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.
Justin BellavanceMontreal Heart Institute, Montreal, QC, Canada.
Vincent ChapdelaineDepartment of Human Genetics, McGill CERC Program in Genomic Medicine, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.
Geneviève GagnonDepartment of Human Genetics, McGill CERC Program in Genomic Medicine, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.
Annelie De MoriDepartment of Biochemistry and Molecular Medicine, Université de Montréal, Montreal, QC, Canada.
Gerardo MartinezDepartment of Human Genetics, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.
Kristen MohlerDepartment of Pediatrics, Medical Genetics, Université de Montréal, Montreal, QC, Canada.
Thibault de MalliardCARTaGENE, CHU Sainte-Justine Research Center, Montreal, QC, Canada.
Catherine LabbéCARTaGENE, CHU Sainte-Justine Research Center, Montreal, QC, Canada.ORCID http://orcid.org/0009-0005-5932-4602
Marjorie LabrecqueCentre de recherche du Centre Hospitalier de l'Université de Montréal, Université de Montréal, Montreal, QC, Canada.
Alexandre MontpetitGénome Québec, Montreal, QC, Canada.
Dan SpiegelmanCHU Sainte-Justine, Montreal, QC, Canada.
Guy A RouleauDepartment of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, Montreal, QC, Canada.ORCID http://orcid.org/0000-0001-8403-1418
Jean-François ThérouxGénome Québec, Montreal, QC, Canada.
Hufeng ZhouDepartment of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA.ORCID http://orcid.org/0000-0001-9382-5674
Simon L GirardFundamental Sciences, Université du Québec à Chicoutimi, Chicoutimi, QC, Canada.ORCID http://orcid.org/0000-0002-4089-2280
Julie G HussinMontreal Heart Institute, Montreal, QC, Canada.ORCID http://orcid.org/0000-0003-4295-3339
Anne-Marie LabergeDepartment of Pediatrics, Medical Genetics, Université de Montréal, Montreal, QC, Canada.
Claude BhérerDepartment of Human Genetics, McGill CERC Program in Genomic Medicine, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada.ORCID http://orcid.org/0000-0002-2744-7246
Martine TetreaultCentre de recherche du Centre Hospitalier de l'Université de Montréal, Université de Montréal, Montreal, QC, Canada.
Sarah A Gagliano TaliunMontreal Heart Institute, Montreal, QC, Canada.ORCID http://orcid.org/0000-0003-1306-1868
Daniel TaliunDepartment of Human Genetics, McGill CERC Program in Genomic Medicine, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada. daniel.taliun@mcgill.ca.
Simon GravelDepartment of Human Genetics, Victor Phillip Dahdaleh Institute of Genomic Medicine at McGill University, Montreal, QC, Canada. simon.gravel@mcgill.ca.ORCID http://orcid.org/0000-0002-9183-964X
Guillaume LettreMontreal Heart Institute, Montreal, QC, Canada. guillaume.lettre@umontreal.ca.ORCID http://orcid.org/0000-0002-7740-3399

Funding

Statistical Methods for Analysis of Massive Genetic and Genomic Data in Cancer ResearchR35CA197449 · NCI · HARVARD UNIVERSITY D/B/A HARVARD SCHOOL OF PUBLIC HEALTH · PI XIHONG LIN · 2015 to 2026
$10.9M
Predictive Modeling of the Functional and Phenotypic Impacts of Genetic VariantsU01HG012064 · NHGRI · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI Manuel Garber, XIHONG LIN · 2021 to 2026
$4.0M
Statistical Methods for Integrative Analysis of Large-Scale Whole Genome Sequencing Studies and Biobanks of Common DiseasesR01HL163560 · NHLBI · HARVARD UNIVERSITY D/B/A HARVARD SCHOOL OF PUBLIC HEALTH · PI XIHONG LIN · 2022 to 2026
$2.6M
Gouvernement du Canada | Canadian Institutes of Health Research (Instituts de Recherche en Santé du Canada) 426541Gouvernement du Canada | Canadian Institutes of Health Research (Instituts de Recherche en Santé du Canada) 486808NCI NIH HHS R35 CA197449NHGRI NIH HHS U01 HG012064NHLBI NIH HHS R01 HL163560
6 · The paper itself

Abstract

While international efforts have characterized genetic variation in millions of individuals, the interplay of environmental, social, cultural and genetic factors is poorly understood for most worldwide populations. The province of Quebec in Canada has been the site of numerous genetic studies, often focusing on Mendelian diseases in founder sub-populations. Here, we analyze genome-wide genotyped variation in 29,337 Quebec residents from the multi-ancestry population-based cohort CARTaGENE (CaG) who provided DNA samples. We also sequence the whole-genome of 2,173 CaG participants with four grandparents born in Canada (n = 1879), Haiti (n = 163) and Morocco (n = 131). We use this genetic information to gain insight into Quebec's demography and to help interpret the potential significance of variants identified in clinically important genes (e.g., SPG7 implicated in hereditary spastic paraplegia). We validate an imputation panel constructed by phasing the CaG whole-genome sequence data and find, using genome-wide association studies (GWAS) of 42 clinically relevant traits, that it increases the number of associated loci by ~7% when compared to results obtained after imputation with the larger TOPMed imputation panel. We provide allele frequency information and GWAS results through dedicated and publicly available websites. The genetic data, paired with phenotypic and environmental information, is available for global research use.

Indexed as

Genetics, PopulationCaribbean PeopleGene FrequencyGenetic VariationGenome, HumanGenome-Wide Association StudyGenotypeHumansMoroccoPolymorphism, Single NucleotideQuebec

Identifiers

PMID41634041
PMCPMC12868634

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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.