Genetic correlation of blood pressure responses to dietary sodium and potassium intervention and cold pressor test in chinese population

H. Mei, T. K. Rice, D. Gu, J. E. Hixson, C. E. Jaquish, Qi Zhao, J. C. Chen, J. Cao, J. Li, T. N. Kelly, D. C. Rao, J. He

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Abstract

We examined the genetic association between blood pressure (BP) responses to dietary sodium and potassium intervention and to cold pressor test (CPT) in a large family-based dietary feeding study. The dietary intervention and CPT were conducted among 1906 participants in rural China. The dietary intervention included three 7-day periods of low-sodium feeding (51.3 mmol per day), high-sodium feeding (307.8 mmol per day) and high-sodium feeding plus potassium supplementation (60 mmol per day). BP responses to high-sodium intervention had strong genetic correlations (pG) with both BP responses to low sodium (pG=0.43 to 0.54, P-values0.0005 to 0.03) and to potassium supplementation (pG=0.41 to 0.49, P-values0.001 to 0.005) interventions. Most environmental correlations between BP responses to various dietary interventions were significant. The G between BP responses to CPT and to high-sodium intervention and potassium supplementation were statistically significant. For example, the G between maximum BP responses to CPT and BP responses to high-sodium intervention was 0.37 (P=0.006) for systolic BP (SBP) and 0.41 (P0.002) for diastolic BP (DBP). The G between maximum BP responses to CPT and BP responses to potassium intervention was 0.42 (P0.001) for SBP and 0.46 (P=0.001) for SBP. Our study suggests that there are common genetic determinants that influence BP responses to dietary sodium and potassium interventions and to CPT.

Original languageEnglish (US)
Pages (from-to)500-508
Number of pages9
JournalJournal of Human Hypertension
Volume25
Issue number8
DOIs
StatePublished - Aug 1 2011

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Dietary Potassium
Dietary Sodium
Blood Pressure
Population
Sodium
Potassium

All Science Journal Classification (ASJC) codes

  • Internal Medicine

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Genetic correlation of blood pressure responses to dietary sodium and potassium intervention and cold pressor test in chinese population. / Mei, H.; Rice, T. K.; Gu, D.; Hixson, J. E.; Jaquish, C. E.; Zhao, Qi; Chen, J. C.; Cao, J.; Li, J.; Kelly, T. N.; Rao, D. C.; He, J.

In: Journal of Human Hypertension, Vol. 25, No. 8, 01.08.2011, p. 500-508.

Research output: Contribution to journalArticle

Mei, H, Rice, TK, Gu, D, Hixson, JE, Jaquish, CE, Zhao, Q, Chen, JC, Cao, J, Li, J, Kelly, TN, Rao, DC & He, J 2011, 'Genetic correlation of blood pressure responses to dietary sodium and potassium intervention and cold pressor test in chinese population', Journal of Human Hypertension, vol. 25, no. 8, pp. 500-508. https://doi.org/10.1038/jhh.2010.88
Mei, H. ; Rice, T. K. ; Gu, D. ; Hixson, J. E. ; Jaquish, C. E. ; Zhao, Qi ; Chen, J. C. ; Cao, J. ; Li, J. ; Kelly, T. N. ; Rao, D. C. ; He, J. / Genetic correlation of blood pressure responses to dietary sodium and potassium intervention and cold pressor test in chinese population. In: Journal of Human Hypertension. 2011 ; Vol. 25, No. 8. pp. 500-508.
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AU - Gu, D.

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AU - Jaquish, C. E.

AU - Zhao, Qi

AU - Chen, J. C.

AU - Cao, J.

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AU - Rao, D. C.

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AB - We examined the genetic association between blood pressure (BP) responses to dietary sodium and potassium intervention and to cold pressor test (CPT) in a large family-based dietary feeding study. The dietary intervention and CPT were conducted among 1906 participants in rural China. The dietary intervention included three 7-day periods of low-sodium feeding (51.3 mmol per day), high-sodium feeding (307.8 mmol per day) and high-sodium feeding plus potassium supplementation (60 mmol per day). BP responses to high-sodium intervention had strong genetic correlations (pG) with both BP responses to low sodium (pG=0.43 to 0.54, P-values0.0005 to 0.03) and to potassium supplementation (pG=0.41 to 0.49, P-values0.001 to 0.005) interventions. Most environmental correlations between BP responses to various dietary interventions were significant. The G between BP responses to CPT and to high-sodium intervention and potassium supplementation were statistically significant. For example, the G between maximum BP responses to CPT and BP responses to high-sodium intervention was 0.37 (P=0.006) for systolic BP (SBP) and 0.41 (P0.002) for diastolic BP (DBP). The G between maximum BP responses to CPT and BP responses to potassium intervention was 0.42 (P0.001) for SBP and 0.46 (P=0.001) for SBP. Our study suggests that there are common genetic determinants that influence BP responses to dietary sodium and potassium interventions and to CPT.

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