Metabolomic Identification of a Novel Pathway of Blood Pressure Regulation Involving Hexadecanedioate

Cristina Menni, Delyth Graham, Gabi Kastenmüller, Nora H J Alharbi, Safaa Md Alsanosi, Martin Mcbride, Massimo Mangino, Philip Titcombe, So Youn Shin, Maria Psatha, Thomas Geisendorfer, Anja Huber, Annette Peters, Rui Wang-Sattler, Tao Xu, Mary Julia Brosnan, Jeff Trimmer, Christian Reichel, Robert P. Mohney, Nicole SoranzoMark H. Edwards, Cyrus Cooper, Alistair C. Church, Karsten Suhre, Christian Gieger, Anna F. Dominiczak, Tim D. Spector, Sandosh Padmanabhan, Ana M. Valdes

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

High blood pressure is a major contributor to the global burden of disease and discovering novel causal pathways of blood pressure regulation has been challenging. We tested blood pressure associations with 280 fasting blood metabolites in 3980 TwinsUK females. Survival analysis for all-cause mortality was performed on significant independent metabolites (P<8.9×10-5). Replication was conducted in 2 independent cohorts KORA (n=1494) and Hertfordshire (n=1515). Three independent animal experiments were performed to establish causality: (1) blood pressure change after increasing circulating metabolite levels in Wistar-Kyoto rats; (2) circulating metabolite change after salt-induced blood pressure elevation in spontaneously hypertensive stroke-prone rats; and (3) mesenteric artery response to noradrenaline and carbachol in metabolite treated and control rats. Of the15 metabolites that showed an independent significant association with blood pressure, only hexadecanedioate, a dicarboxylic acid, showed concordant association with blood pressure (systolic BP: β [95 confidence interval], 1.31 [0.83-1.78], P=6.81×10-8; diastolic BP: 0.81 [0.5-1.11], P=2.96×10-7) and mortality (hazard ratio [95 confidence interval], 1.49 [1.08-2.05]; P=0.02) in TwinsUK. The blood pressure association was replicated in KORA and Hertfordshire. In the animal experiments, we showed that oral hexadecanedioate increased both circulating hexadecanedioate and blood pressure in Wistar-Kyoto rats, whereas blood pressure elevation with oral sodium chloride in hypertensive rats did not affect hexadecanedioate levels. Vascular reactivity to noradrenaline was significantly increased in mesenteric resistance arteries from hexadecanedioate-treated rats compared with controls, indicated by the shift to the left of the concentration-response curve (P=0.013). Relaxation to carbachol did not show any difference. Our findings indicate that hexadecanedioate is causally associated with blood pressure regulation through a novel pathway that merits further investigation.

Original languageEnglish
Pages (from-to)422-429
Number of pages8
JournalHypertension
Volume66
Issue number2
DOIs
Publication statusPublished - 20 Aug 2015
Externally publishedYes

Fingerprint

Metabolomics
Blood Pressure
Mesenteric Arteries
Inbred WKY Rats
Carbachol
Norepinephrine
Confidence Intervals
Dicarboxylic Acids
Mortality
Survival Analysis
Sodium Chloride
Causality
Blood Vessels
Fasting
Salts
Stroke
Hypertension

Keywords

  • Blood pressure
  • Fatty acid synthases
  • Hypertension
  • Metabolomics
  • Mortality

ASJC Scopus subject areas

  • Internal Medicine

Cite this

Menni, C., Graham, D., Kastenmüller, G., Alharbi, N. H. J., Alsanosi, S. M., Mcbride, M., ... Valdes, A. M. (2015). Metabolomic Identification of a Novel Pathway of Blood Pressure Regulation Involving Hexadecanedioate. Hypertension, 66(2), 422-429. https://doi.org/10.1161/HYPERTENSIONAHA.115.05544

Metabolomic Identification of a Novel Pathway of Blood Pressure Regulation Involving Hexadecanedioate. / Menni, Cristina; Graham, Delyth; Kastenmüller, Gabi; Alharbi, Nora H J; Alsanosi, Safaa Md; Mcbride, Martin; Mangino, Massimo; Titcombe, Philip; Shin, So Youn; Psatha, Maria; Geisendorfer, Thomas; Huber, Anja; Peters, Annette; Wang-Sattler, Rui; Xu, Tao; Brosnan, Mary Julia; Trimmer, Jeff; Reichel, Christian; Mohney, Robert P.; Soranzo, Nicole; Edwards, Mark H.; Cooper, Cyrus; Church, Alistair C.; Suhre, Karsten; Gieger, Christian; Dominiczak, Anna F.; Spector, Tim D.; Padmanabhan, Sandosh; Valdes, Ana M.

In: Hypertension, Vol. 66, No. 2, 20.08.2015, p. 422-429.

Research output: Contribution to journalArticle

Menni, C, Graham, D, Kastenmüller, G, Alharbi, NHJ, Alsanosi, SM, Mcbride, M, Mangino, M, Titcombe, P, Shin, SY, Psatha, M, Geisendorfer, T, Huber, A, Peters, A, Wang-Sattler, R, Xu, T, Brosnan, MJ, Trimmer, J, Reichel, C, Mohney, RP, Soranzo, N, Edwards, MH, Cooper, C, Church, AC, Suhre, K, Gieger, C, Dominiczak, AF, Spector, TD, Padmanabhan, S & Valdes, AM 2015, 'Metabolomic Identification of a Novel Pathway of Blood Pressure Regulation Involving Hexadecanedioate', Hypertension, vol. 66, no. 2, pp. 422-429. https://doi.org/10.1161/HYPERTENSIONAHA.115.05544
Menni C, Graham D, Kastenmüller G, Alharbi NHJ, Alsanosi SM, Mcbride M et al. Metabolomic Identification of a Novel Pathway of Blood Pressure Regulation Involving Hexadecanedioate. Hypertension. 2015 Aug 20;66(2):422-429. https://doi.org/10.1161/HYPERTENSIONAHA.115.05544
Menni, Cristina ; Graham, Delyth ; Kastenmüller, Gabi ; Alharbi, Nora H J ; Alsanosi, Safaa Md ; Mcbride, Martin ; Mangino, Massimo ; Titcombe, Philip ; Shin, So Youn ; Psatha, Maria ; Geisendorfer, Thomas ; Huber, Anja ; Peters, Annette ; Wang-Sattler, Rui ; Xu, Tao ; Brosnan, Mary Julia ; Trimmer, Jeff ; Reichel, Christian ; Mohney, Robert P. ; Soranzo, Nicole ; Edwards, Mark H. ; Cooper, Cyrus ; Church, Alistair C. ; Suhre, Karsten ; Gieger, Christian ; Dominiczak, Anna F. ; Spector, Tim D. ; Padmanabhan, Sandosh ; Valdes, Ana M. / Metabolomic Identification of a Novel Pathway of Blood Pressure Regulation Involving Hexadecanedioate. In: Hypertension. 2015 ; Vol. 66, No. 2. pp. 422-429.
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N2 - High blood pressure is a major contributor to the global burden of disease and discovering novel causal pathways of blood pressure regulation has been challenging. We tested blood pressure associations with 280 fasting blood metabolites in 3980 TwinsUK females. Survival analysis for all-cause mortality was performed on significant independent metabolites (P<8.9×10-5). Replication was conducted in 2 independent cohorts KORA (n=1494) and Hertfordshire (n=1515). Three independent animal experiments were performed to establish causality: (1) blood pressure change after increasing circulating metabolite levels in Wistar-Kyoto rats; (2) circulating metabolite change after salt-induced blood pressure elevation in spontaneously hypertensive stroke-prone rats; and (3) mesenteric artery response to noradrenaline and carbachol in metabolite treated and control rats. Of the15 metabolites that showed an independent significant association with blood pressure, only hexadecanedioate, a dicarboxylic acid, showed concordant association with blood pressure (systolic BP: β [95 confidence interval], 1.31 [0.83-1.78], P=6.81×10-8; diastolic BP: 0.81 [0.5-1.11], P=2.96×10-7) and mortality (hazard ratio [95 confidence interval], 1.49 [1.08-2.05]; P=0.02) in TwinsUK. The blood pressure association was replicated in KORA and Hertfordshire. In the animal experiments, we showed that oral hexadecanedioate increased both circulating hexadecanedioate and blood pressure in Wistar-Kyoto rats, whereas blood pressure elevation with oral sodium chloride in hypertensive rats did not affect hexadecanedioate levels. Vascular reactivity to noradrenaline was significantly increased in mesenteric resistance arteries from hexadecanedioate-treated rats compared with controls, indicated by the shift to the left of the concentration-response curve (P=0.013). Relaxation to carbachol did not show any difference. Our findings indicate that hexadecanedioate is causally associated with blood pressure regulation through a novel pathway that merits further investigation.

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