Quantitative variation in plasma angiotensin-i converting enzyme activity shows allelic heterogeneity in the ABO blood group locus

Chikashi Terao, Nervana Bayoumi, Colin A. McKenzie, Diana Zelenika, Shigeo Muro, Michiaki Mishima, John M C Connell, Mark A. Vickers, G. Mark Lathrop, Martin Farrall, Fumihiko Matsuda, Bernard D. Keavney*, The Nagahama Cohort Research Group

*Corresponding author for this work

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Angiotensin-I converting enzyme (ACE) occupies a pivotal role in cardiovascular homeostasis. Major loci for plasma ACE have been identified at ACE on Chromosome 17 and at ABO on Chromosome 9. We sought to characterise the genetic architecture of plasma ACE at finer resolution in two populations. We carried out a GWAS in 1810 individuals of Japanese ethnicity; this identified signals at ACE and ABO that together accounted for nearly half of the population variability of the trait. We conducted measured haplotype analysis at the ABO locus in 1425 members of 248 British families using haplotypes of three SNPs, which together tagged the alleles responsible for the principal blood group antigens A1, A2, B and O. Type O alleles were associated with intermediate plasma ACE activity compared to Type A1 alleles (in whom plasma ACE activity was ̃36% lower) and Type B alleles (in whom plasma ACE activity was ̃36% higher). We demonstrated heterogeneity among A alleles: A2 alleles were associated with plasma ACE activity that was very similar to the O alleles. Variation at ACE accounted for 35% of the trait variance, and variation at ABO accounted for 15%. A further 10% could be ascribed to polygenic effects.

Original languageEnglish
Pages (from-to)465-471
Number of pages7
JournalAnnals of Human Genetics
Volume77
Issue number6
Early online date13 Aug 2013
DOIs
Publication statusPublished - Nov 2013

Fingerprint

Peptidyl-Dipeptidase A
Blood Group Antigens
Alleles
varespladib methyl
Haplotypes
Chromosomes, Human, Pair 9
Chromosomes, Human, Pair 17
Genome-Wide Association Study
Population
Single Nucleotide Polymorphism
Homeostasis

Keywords

  • ABO blood group
  • Angiotensin-I converting enzyme
  • Genome wide association study
  • QTL

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics
  • Medicine(all)

Cite this

Terao, C., Bayoumi, N., McKenzie, C. A., Zelenika, D., Muro, S., Mishima, M., ... The Nagahama Cohort Research Group (2013). Quantitative variation in plasma angiotensin-i converting enzyme activity shows allelic heterogeneity in the ABO blood group locus. Annals of Human Genetics, 77(6), 465-471. https://doi.org/10.1111/ahg.12034

Quantitative variation in plasma angiotensin-i converting enzyme activity shows allelic heterogeneity in the ABO blood group locus. / Terao, Chikashi; Bayoumi, Nervana; McKenzie, Colin A.; Zelenika, Diana; Muro, Shigeo; Mishima, Michiaki; Connell, John M C; Vickers, Mark A.; Mark Lathrop, G.; Farrall, Martin; Matsuda, Fumihiko; Keavney, Bernard D.; The Nagahama Cohort Research Group.

In: Annals of Human Genetics, Vol. 77, No. 6, 11.2013, p. 465-471.

Research output: Contribution to journalArticle

Terao, C, Bayoumi, N, McKenzie, CA, Zelenika, D, Muro, S, Mishima, M, Connell, JMC, Vickers, MA, Mark Lathrop, G, Farrall, M, Matsuda, F, Keavney, BD & The Nagahama Cohort Research Group 2013, 'Quantitative variation in plasma angiotensin-i converting enzyme activity shows allelic heterogeneity in the ABO blood group locus', Annals of Human Genetics, vol. 77, no. 6, pp. 465-471. https://doi.org/10.1111/ahg.12034
Terao, Chikashi ; Bayoumi, Nervana ; McKenzie, Colin A. ; Zelenika, Diana ; Muro, Shigeo ; Mishima, Michiaki ; Connell, John M C ; Vickers, Mark A. ; Mark Lathrop, G. ; Farrall, Martin ; Matsuda, Fumihiko ; Keavney, Bernard D. ; The Nagahama Cohort Research Group. / Quantitative variation in plasma angiotensin-i converting enzyme activity shows allelic heterogeneity in the ABO blood group locus. In: Annals of Human Genetics. 2013 ; Vol. 77, No. 6. pp. 465-471.
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abstract = "Angiotensin-I converting enzyme (ACE) occupies a pivotal role in cardiovascular homeostasis. Major loci for plasma ACE have been identified at ACE on Chromosome 17 and at ABO on Chromosome 9. We sought to characterise the genetic architecture of plasma ACE at finer resolution in two populations. We carried out a GWAS in 1810 individuals of Japanese ethnicity; this identified signals at ACE and ABO that together accounted for nearly half of the population variability of the trait. We conducted measured haplotype analysis at the ABO locus in 1425 members of 248 British families using haplotypes of three SNPs, which together tagged the alleles responsible for the principal blood group antigens A1, A2, B and O. Type O alleles were associated with intermediate plasma ACE activity compared to Type A1 alleles (in whom plasma ACE activity was ̃36{\%} lower) and Type B alleles (in whom plasma ACE activity was ̃36{\%} higher). We demonstrated heterogeneity among A alleles: A2 alleles were associated with plasma ACE activity that was very similar to the O alleles. Variation at ACE accounted for 35{\%} of the trait variance, and variation at ABO accounted for 15{\%}. A further 10{\%} could be ascribed to polygenic effects.",
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AU - Connell, John M C

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AU - Farrall, Martin

AU - Matsuda, Fumihiko

AU - Keavney, Bernard D.

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