Cited by 22Genetic Associations and EpidemiologyGenomics and Rare DiseasesGenetic Mapping and Diversity in Plants and Animals

Contribution of rare whole-genome sequencing variants to plasma protein levels and the missing heritability

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Kierczak, Marcin, Rafati, Nima, Höglund, Julia, Gourlé, Hadrien, Lo Faro, Valeria, Schmitz, Daniel, Ek, Weronica E., Gyllensten, Ulf +5 more·2022·Nature Communications

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Abstract

Despite the success of genome-wide association studies, much of the genetic contribution to complex traits remains unexplained. Here, we analyse high coverage whole-genome sequencing data, to evaluate the contribution of rare genetic variants to 414 plasma proteins. The frequency distribution of genetic variants is skewed towards the rare spectrum, and damaging variants are more often rare. We estimate that less than 4.3% of the narrow-sense heritability is expected to be explained by rare variants in our cohort. Using a gene-based approach, we identify Cis -associations for 237 of the proteins, which is slightly more compared to a GWAS ( N = 213), and we identify 34 associated loci in Trans . Several associations are driven by rare variants, which have larger effects, on average. We therefore conclude that rare variants could be of importance for precision medicine applications, but have a more limited contribution to the missing heritability of complex diseases.

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Crossref · 10.1038/s41467-022-30208-8

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  • Kierczak et al. detected cis-region rare variant associations for four proteins (CTSZ, CYR61, GDF-15 and PON3) and trans associations of rare GAL3ST2 variants affecting the MUC16 level.

    “Kierczak et al.13 detected cis-region rare variant associations for four proteins (CTSZ, CYR61, GDF-15 and PON3) and trans associations of rare GAL3ST2 variants affecting the MUC16 level”

    From Genetic determinants of plasma protein levels in the Estonian population (2024) · cites this paper as [13]

    The Discussion (page unavailable) identifies rare variants as likely contributors to a CTSZ association, supporting that part of the claim. The retrieved passages do not establish the claimed cis associations for CYR61, GDF-15, or PON3. The Results section on rare-variant trans associations (page unavailable) lists six proteins with significant associations, none of them MUC16, and does not identify GAL3ST2. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Kierczak et al. used a maximum MAF threshold 0.0239, whereas we used a standard conservative threshold of 0.01.

    “they used a maximum MAF threshold 0.0239, whereas we used a standard conservative threshold of 0.01.”

    From Genetic determinants of plasma protein levels in the Estonian population (2024) · cites this paper as [13]

    The Results (SKAT analyses) and Methods (Statistical analyses) state that 0.0239 was the cutoff between rare and common variants in the CommonRare analyses. It was not a maximum MAF for the study overall: the Methods say the primary SKAT analyses included all variants passing quality control, regardless of MAF. The citing authors’ own 0.01 threshold is not a claim about Kierczak et al. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • The influence of rare variants on the plasma proteome is largely unknown because previous rare variant proteogenomic studies have been limited in scale.

    “However, their influence on the plasma proteome is largely unknown because previous rare variant proteogenomic studies have been limited in scale9,10.”
  • Gene-based pQTL analyses of rare variants constitute an emerging approach.

    “Gene-based pQTL analyses of rare variants constitute an emerging approach10–13”
  • Previous studies indicate that few proteins are driven by rare variants.

    “Previous studies indicate that few proteins are driven by rare variants11–13.”

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Cites

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1 of the 43 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. [15]Dane, F., Liu, J. & Zhang, C. TCS: A Computer Program to Estimate Gene Genealogies. Genetic Resources and Crop Evolution. Vol. 54 (Cambridge University Press, 2007).

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Authors
Kierczak, M., Rafati, N., Höglund, J., Gourlé, H., Lo Faro, V., Schmitz, D., Ek, W. E., Gyllensten, U., Enroth, S., Ekman, D., Nystedt, B., Karlsson, T., & Johansson, Å.
Affiliations
  • Uppsala University (SE)
  • Stockholm University (SE)
Corresponding author
Johansson, Åsa
Venue
Nature Communications
Published
2022-05-09
Volume
13
Issue
1
Pages
2532-2532
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4229379051
Cited by
22
References
43
Citations by year
2026: 2 · 2025: 4 · 2024: 6 · 2023: 9 · 2021: 1
FWCI
2.87
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Research Square (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Uppsala University Publications (Uppsala University) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Vetenskapsrådet (2018-05973)
  • Hjärt-Lungfonden (20200687)
  • Science for Life Laboratory
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
Keywords
rare variants, plasma proteins, missing heritability, narrow-sense heritability, gene-based association, complex traits, precision medicine
MeSH terms
Whole Genome Sequencing, Blood Proteins, Humans, Genetic Variation, Genetic Predisposition to Disease, Multifactorial Inheritance, Polymorphism, Single Nucleotide, Genome-Wide Association Study

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