Abstract
Many complex disease risk loci map to intergenic regions containing long intergenic noncoding RNAs (lincRNAs). The majority of these is not conserved outside humans, raising the question whether genetically regulated expression of non-conserved and conserved lincRNAs has similar rates of association with complex traits. Here we leveraged data from the Genotype-Tissue Expression (GTEx) project and multiple public genome-wide association study (GWAS) resources. Using an established transcriptome-wide association study (TWAS) tool, FUSION, we interrogated the associations between cis-regulated expression of lincRNAs and multiple cardiometabolic traits. We found that cis-regulated expression of non-conserved lincRNAs had a strikingly similar trend of association with complex cardiometabolic traits as conserved lincRNAs. This finding challenges the conventional notion of conservation that has led to prioritization of conserved loci for functional studies and calls attention to the need to develop comprehensive strategies to study the large number of non-conserved human lincRNAs that may contribute to human disease.
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Acknowledgements
The Genotype-Tissue Expression (GTEx) Project was supported by the Common Fund of the Office of the Director of the National Institutes of Health, and by NCI, NHGRI, NHLBI, NIDA, NIMH, and NINDS. The data used for the analyses described in this paper were obtained from: dbGaP accession number phs000424.v8.p2 on 05/20/2020.
Funding
Support for this research was provided by grants from the National Institutes of Health (NIH) R01 GM127862 to ASF, and R01 HL132561, R01 HL113147, and K24 HL107643 to MPR.
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Cao, T., O’Reilly, M.E., Selvaggi, C. et al. Cis-regulated expression of non-conserved lincRNAs associates with cardiometabolic related traits. J Hum Genet 67, 307–310 (2022). https://doi.org/10.1038/s10038-022-01012-5
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DOI: https://doi.org/10.1038/s10038-022-01012-5