Adhesion molecule polymorphisms and pulse wave velocity in American youth

Haidong Zhu, Weili Yan, Yuande Tan, Ke Li, Kakota Gaston Kapuku, Frank A. Treiber, Shaoyong Su, Gregory A Harshfield, Harold Snieder, Yanbin Dong

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Background: Our research group recently reported that aorto-radial (radial) and aorto-dorsalis-pedis (foot) pulse wave velocity (PWV) as proxies of arterial stiffness are substantially heritable in healthy youth. This article aimed at uncovering the genetic contributions of adhesion molecules, key members in the inflammatory process, to PWV in these young individuals. Methods: Radial and foot PWV were noninvasively measured with applanation tonometry in 702 black and white subjects (42% blacks, mean age 17.7 ± 3.3 years) from the Georgia Cardio vascular Twin Study. Eight functional polymorphisms from genes for E-selectin (SELE), P-selectin (SELP), intercellular adhesion molecules-1 (ICAM1), and vascular cell adhesion molecules-1 (VCAM1) were genotyped. Results: Youth with Ser290Asn or Asn290Asn genotype (SELP) compared to those with Ser290Ser had an increase in both radial and foot PWV (6.61 ± 0.07 vs. 6.41 ± 0.05 m/s, p= .026; 7.22 ± 0.05 vs. 7.04 ± 0.04 m/s, p = .007). TT homozygotes of rs2244529 (SELP) had higher foot PWV (7.28 ± 0.07 vs. 7.06 ± 0.03 m/s, p = .002) than CT heterozygotes and CC homozygotes. There appeared to be a decrease in foot PWV in youth with the 241Arg allele (ICAM1) as compared to those without (6.96 ± 0.08 vs. 7.14 ± 0.03 m/s, p= .005). For the Asp693Asp (C to T) polymorphism (VCAM1), CC genotype had higher foot PWV than CT and TT genotypes (7.18 ± 0.04 vs. 6.95 ± 0.06 m/s, p < .0001). There was an epistatic interaction between Ser290Asn, Gly241Arg, and Asp693Asp on foot PWV (p = .017), explaining 3.6% variance of the foot PWV. Conclusion: Genetic variation of adhesion molecules may be implicated in the development of arterial stiffness. Screening for adhesion molecule polymorphisms may help identify high-risk youth.

Original languageEnglish (US)
Pages (from-to)517-523
Number of pages7
JournalTwin Research and Human Genetics
Volume11
Issue number5
DOIs
StatePublished - Oct 1 2008

Fingerprint

Pulse Wave Analysis
Foot
P-Selectin
Vascular Stiffness
Vascular Cell Adhesion Molecule-1
Genotype
Homozygote
Intercellular Adhesion Molecule-1
Twin Studies
E-Selectin
Manometry
Proxy
Heterozygote
Blood Vessels
Alleles

Keywords

  • Adhesion molecules
  • Arterial stiffness
  • PWV
  • Polymorphisms
  • Youth

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology
  • Genetics(clinical)

Cite this

Adhesion molecule polymorphisms and pulse wave velocity in American youth. / Zhu, Haidong; Yan, Weili; Tan, Yuande; Li, Ke; Kapuku, Kakota Gaston; Treiber, Frank A.; Su, Shaoyong; Harshfield, Gregory A; Snieder, Harold; Dong, Yanbin.

In: Twin Research and Human Genetics, Vol. 11, No. 5, 01.10.2008, p. 517-523.

Research output: Contribution to journalArticle

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AU - Zhu, Haidong

AU - Yan, Weili

AU - Tan, Yuande

AU - Li, Ke

AU - Kapuku, Kakota Gaston

AU - Treiber, Frank A.

AU - Su, Shaoyong

AU - Harshfield, Gregory A

AU - Snieder, Harold

AU - Dong, Yanbin

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