Genome-wide linkage analysis of pulse pressure in American Indians: The strong heart study

Nora Franceschini, Jean W. MacCluer, Kathreen M. Rose, Sue Rutherford, Shelley A. Cole, Sandy Laston, Harald H H Göring, Vincent P. Diego, Mary J. Roman, Elisa T. Lee, Lyle G. Best, Barbara V. Howard, Richard R. Fabsitz, Kari E. North

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Background: Pulse pressure, a measure of central arterial stiffness and a predictor of cardiovascular mortality, has known genetic components. Methods: To localize the genetic effects of pulse pressure, we conducted a genome-wide linkage analysis of 1,892 American-Indian participants of the Strong Heart Family Study (SHFS). Blood pressure was measured three times and the average of the last two measures was used for analyses. Pulse pressure, the difference between systolic blood pressure (SBP) and diastolic blood pressure (DBP), was log-transformed and adjusted for the effects of age and sex within each study center. Variance component linkage analyses were performed using marker allele frequencies derived from all individuals and multipoint identity-by-descent matrices calculated in Loki. Results: We identified a quantitative-trait locus influencing pulse pressure on chromosome 7 at 37 cM (marker D7S493, LOD = 3.3) and suggestive evidence of linkage on chromosome 19 at 92 cM (marker D19S888, LOD = 1.8). Conclusions: The signal on 7p15.3 overlaps positive findings for pulse pressure among Utah population samples, suggesting that this region may harbor gene variants for blood pressure related traits.

Original languageEnglish (US)
Pages (from-to)194-199
Number of pages6
JournalAmerican Journal of Hypertension
Volume21
Issue number2
DOIs
StatePublished - Feb 2008
Externally publishedYes

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North American Indians
Genome
Blood Pressure
Chromosomes, Human, Pair 19
Vascular Stiffness
Chromosomes, Human, Pair 7
Quantitative Trait Loci
Gene Frequency

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Franceschini, N., MacCluer, J. W., Rose, K. M., Rutherford, S., Cole, S. A., Laston, S., ... North, K. E. (2008). Genome-wide linkage analysis of pulse pressure in American Indians: The strong heart study. American Journal of Hypertension, 21(2), 194-199. https://doi.org/10.1038/ajh.2007.34

Genome-wide linkage analysis of pulse pressure in American Indians : The strong heart study. / Franceschini, Nora; MacCluer, Jean W.; Rose, Kathreen M.; Rutherford, Sue; Cole, Shelley A.; Laston, Sandy; Göring, Harald H H; Diego, Vincent P.; Roman, Mary J.; Lee, Elisa T.; Best, Lyle G.; Howard, Barbara V.; Fabsitz, Richard R.; North, Kari E.

In: American Journal of Hypertension, Vol. 21, No. 2, 02.2008, p. 194-199.

Research output: Contribution to journalArticle

Franceschini, N, MacCluer, JW, Rose, KM, Rutherford, S, Cole, SA, Laston, S, Göring, HHH, Diego, VP, Roman, MJ, Lee, ET, Best, LG, Howard, BV, Fabsitz, RR & North, KE 2008, 'Genome-wide linkage analysis of pulse pressure in American Indians: The strong heart study', American Journal of Hypertension, vol. 21, no. 2, pp. 194-199. https://doi.org/10.1038/ajh.2007.34
Franceschini N, MacCluer JW, Rose KM, Rutherford S, Cole SA, Laston S et al. Genome-wide linkage analysis of pulse pressure in American Indians: The strong heart study. American Journal of Hypertension. 2008 Feb;21(2):194-199. https://doi.org/10.1038/ajh.2007.34
Franceschini, Nora ; MacCluer, Jean W. ; Rose, Kathreen M. ; Rutherford, Sue ; Cole, Shelley A. ; Laston, Sandy ; Göring, Harald H H ; Diego, Vincent P. ; Roman, Mary J. ; Lee, Elisa T. ; Best, Lyle G. ; Howard, Barbara V. ; Fabsitz, Richard R. ; North, Kari E. / Genome-wide linkage analysis of pulse pressure in American Indians : The strong heart study. In: American Journal of Hypertension. 2008 ; Vol. 21, No. 2. pp. 194-199.
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