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Cited by 421

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Bivariate causal mixture model quantifies polygenic overlap between complex traits beyond genetic correlation

Open access
Frei, Oleksandr, Holland, Dominic, Smeland, Olav B., Shadrin, Alexey A., Fan, Chun Chieh, Maeland, Steffen, O’Connell, Kevin S., Wang, Yunpeng, Djurovic, Srdjan, Thompson, Wesley K., Andreassen, Ole A., Dale, Anders M.·2019·Nature Communications

Abstract

Accumulating evidence from genome wide association studies (GWAS) suggests an abundance of shared genetic influences among complex human traits and disorders, such as mental disorders. Here we introduce a statistical tool, MiXeR, which quantifies polygenic overlap irrespective of genetic correlation, using GWAS summary statistics. MiXeR results are presented as a Venn diagram of unique and shared polygenic components across traits. At 90% of SNP-heritability explained for each phenotype, MiXeR estimates that 8.3 K variants causally influence schizophrenia and 6.4 K influence bipolar disorder. Among these variants, 6.2 K are shared between the disorders, which have a high genetic correlation. Further, MiXeR uncovers polygenic overlap between schizophrenia and educational attainment. Despite a genetic correlation close to zero, the phenotypes share 8.3 K causal variants, while 2.5 K additional variants influence only educational attainment. By considering the polygenicity, discoverability and heritability of complex phenotypes, MiXeR analysis may improve our understanding of cross-trait genetic architectures.

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Metadata

Authors
Frei, O., Holland, D., Smeland, O. B., Shadrin, A. A., Fan, C. C., Maeland, S., O’Connell, K. S., Wang, Y., Djurovic, S., Thompson, W. K., Andreassen, O. A., & Dale, A. M.
Venue
Nature Communications
Published
2019-06-03
Volume
10
Issue
1
Pages
2417-2417
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2947677934
Cited by
421
References
25
FWCI
14.76
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Bivariate causal mixture model quantifies polygenic overlap between complex traits beyond genetic correlation. https://app.cochat.ai/papers/10.1038/s41467-019-10310-0
The paper
Frei, O., Holland, D., Smeland, O. B., Shadrin, A. A., Fan, C. C., Maeland, S., O’Connell, K. S., Wang, Y., Djurovic, S., Thompson, W. K., Andreassen, O. A., & Dale, A. M. (2019). Bivariate causal mixture model quantifies polygenic overlap between complex traits beyond genetic correlation. Nature Communications. https://doi.org/10.1038/s41467-019-10310-0

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