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Table 5 Summary of evidence for and against a role of hepcidin and the iron parameters in atherosclerosis resulting from this study

From: Iron and hepcidin as risk factors in atherosclerosis: what do the genes say?

Trait

Evidence for causal role

Evidence against causal role

Hepcidin

Weak genomic correlations with ABI at rest and ABI after exercise

- No nominally significant associations with all NIMA-related SNPs

- Genomic correlations with presence of plaque and IMT ~0

Ferritin

- Directionally consistent associations of the multi-SNP score with NIMA in women

- No directionally consistent associations of the multi-SNP score with NIMA in men

- Directionally consistent associations of rs651007 with NIMA

-No directionally consistent associations of other variants than rs651007 (notably rs411988) with NIMA

- Weak genomic correlations with ABI at rest and ABI after exercise

- No nominally significant associations with all NIMA-related SNPs

- Genomic correlations with presence of plaque and IMT ~0

Hepcidin/ferritin

Nominally significant associations with two NIMA-related SNPs

- No nominally significant associations with four NIMA-related SNPs

- Genomic correlations with all NIMA ~0

Hepcidin/TS

 

- No nominally significant associations with all NIMA-related SNPs

- Genomic correlations with all NIMA ~0

Iron

- Directionally consistent associations of the multi-SNP score with NIMA in women

- No directionally consistent associations of the multi-SNP score with NIMA in men

- No directionally consistent associations of iron-related SNPs with NIMA

- No nominally significant associations with all NIMA-related SNPs

- Genomic correlations with all NIMA ~0

TIBC

- Directionally consistent associations of the multi-SNP score with NIMA in women

- No directionally consistent associations of the multi-SNP score with NIMA in men

- No directionally consistent associations of iron-related SNPs with NIMA

- No nominally significant associations with all NIMA-related SNPs

- Genomic correlations with all NIMA ~0

TS

- Directionally consistent associations of the multi-SNP score with NIMA in women

- No directionally consistent associations of the multi-SNP score with NIMA in men

- No directionally consistent associations of iron-related SNPs with NIMA

- No nominally significant associations with all NIMA-related SNPs

- Genomic correlations with all NIMA ~0

  1. ABI indicates ankle-brachial index, IMT intima media thickness, NIMA non-invasive measurement of atherosclerosis, SNP single nucleotide polymorphism, TIBC total iron-binding capacity, and TS transferrin saturation