Endothelin-1 gene LYS198ASN polymorphism and blood pressure reactivity

Frank A. Treiber, Paule Barbeau, Gregory A Harshfield, Hyun Sik Kang, David M. Pollock, Jennifer S. Pollock, Harold Snieder

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

The Lys198Asn polymorphism of the endothelin-1 gene has been associated with increased blood pressure levels in several studies involving European and Australian adults. The purpose of the present study was to examine the potential moderating influence of ethnicity, obesity, and socioeconomic status on associations between the ET-1/Lys 198Asn polymorphism and hemodynamic function at rest and during two laboratory stressors (video game, forehead cold) in a sample of 161 black and 213 white American normotensive young adults (mean age, 18.5 ± 2.7 years). Carrier status of the T allele was not associated with resting blood pressure or total peripheral resistance index. However, carriers of the T allele showed greater diastolic blood pressure increases to the video game (P<0.04), particularly among those who were obese (P<0.02). Carrier status also interacted with socioeconomic status such that T allele carriers who came from lower socioeconomic status backgrounds exhibited the greatest increases in systolic blood pressure to the video game challenge (P<0.05). In conclusion, the findings point out the importance of examining the impact of genetic polymorphisms on blood pressure control phenotypes within the context of potentiating environmental factors.

Original languageEnglish (US)
Pages (from-to)494-499
Number of pages6
JournalHypertension
Volume42
Issue number4 I
DOIs
StatePublished - Oct 1 2003

Fingerprint

Endothelin-1
Blood Pressure
Video Games
Genes
Social Class
Alleles
Forehead
Genetic Polymorphisms
Vascular Resistance
Young Adult
Obesity
Hemodynamics
Phenotype

Keywords

  • Blood pressure
  • Endothelin
  • Genetics
  • Obesity
  • Socioeconomic factors

ASJC Scopus subject areas

  • Internal Medicine

Cite this

Treiber, F. A., Barbeau, P., Harshfield, G. A., Kang, H. S., Pollock, D. M., Pollock, J. S., & Snieder, H. (2003). Endothelin-1 gene LYS198ASN polymorphism and blood pressure reactivity. Hypertension, 42(4 I), 494-499. https://doi.org/10.1161/01.HYP.0000091266.41333.15

Endothelin-1 gene LYS198ASN polymorphism and blood pressure reactivity. / Treiber, Frank A.; Barbeau, Paule; Harshfield, Gregory A; Kang, Hyun Sik; Pollock, David M.; Pollock, Jennifer S.; Snieder, Harold.

In: Hypertension, Vol. 42, No. 4 I, 01.10.2003, p. 494-499.

Research output: Contribution to journalArticle

Treiber, FA, Barbeau, P, Harshfield, GA, Kang, HS, Pollock, DM, Pollock, JS & Snieder, H 2003, 'Endothelin-1 gene LYS198ASN polymorphism and blood pressure reactivity', Hypertension, vol. 42, no. 4 I, pp. 494-499. https://doi.org/10.1161/01.HYP.0000091266.41333.15
Treiber, Frank A. ; Barbeau, Paule ; Harshfield, Gregory A ; Kang, Hyun Sik ; Pollock, David M. ; Pollock, Jennifer S. ; Snieder, Harold. / Endothelin-1 gene LYS198ASN polymorphism and blood pressure reactivity. In: Hypertension. 2003 ; Vol. 42, No. 4 I. pp. 494-499.
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