Role of Corin in Blood Pressure Regulation in Normotensive and Hypertensive Pregnancy

Mark B. Badrov, Sun Young Park, Jeung Ki Yoo, Michinari Hieda, Yoshiyuki Okada, Sara S Jarvis, Abigail S. Stickford, Stuart A. Best, David B. Nelson, Qi Fu

Research output: Contribution to journalArticle

Abstract

Corin (an atrial natriuretic peptide-converting enzyme) represents a potential biomarker for gestational hypertensive disorders; yet, its role in blood pressure (BP) regulation throughout pregnancy remains unclear. We investigated the time course of change in blood corin content in relation to BP and sympathetic nerve activity throughout pregnancy. Forty-four women (29±0.9 years) participated. Following-term, 23 had low-risk (no personal history of gestational hypertensive disorders) normal pregnancies, 13 had high-risk (personal history of gestational hypertensive disorders) normal pregnancies, and 8 developed gestational hypertension. BP, heart rate, muscle sympathetic nerve activity, and serum corin were measured before pregnancy, during early (4-8 weeks) and late pregnancy (32-36 weeks), and postpartum (6-10 weeks). Overall, compared with prepregnancy, corin remained unchanged during early pregnancy, increased markedly during late pregnancy ( P<0.001), and returned to prepregnancy levels postpartum. In women who developed gestational hypertension, the change in corin from early to late pregnancy was greater than those with low-risk normal pregnancies (Δ971±134 versus Δ486±79 pg/mL; P<0.05). Throughout pregnancy, BP and muscle sympathetic nerve activity were augmented in women with gestational hypertension (all P<0.05). Finally, changes in corin from early to late pregnancy were related to all indices of BP ( R=0.454-0.551; all P<0.01) in late pregnancy, whereas burst frequency, burst incidence, and total muscle sympathetic nerve activity ( R=0.576-0.614; all P<0.001) in early pregnancy were related to changes in corin from early to late pregnancy. Corin plays a unique role in BP regulation throughout normotensive and, especially, hypertensive pregnancy and may represent a promising biomarker for determining women at high risk of adverse pregnancy outcome.

Original languageEnglish (US)
Pages (from-to)432-439
Number of pages8
JournalHypertension (Dallas, Tex. : 1979)
Volume73
Issue number2
DOIs
StatePublished - Feb 1 2019

Fingerprint

Blood Pressure
Pregnancy
Pregnancy Induced Hypertension
Postpartum Period
Biomarkers
High-Risk Pregnancy
Muscles
Atrial Natriuretic Factor
Pregnancy Outcome
Myocardium
Heart Rate
Incidence

Keywords

  • blood pressure
  • hypertension
  • pregnancy
  • risk
  • sympathetic nerve activity
  • women

ASJC Scopus subject areas

  • Internal Medicine

Cite this

Role of Corin in Blood Pressure Regulation in Normotensive and Hypertensive Pregnancy. / Badrov, Mark B.; Park, Sun Young; Yoo, Jeung Ki; Hieda, Michinari; Okada, Yoshiyuki; Jarvis, Sara S; Stickford, Abigail S.; Best, Stuart A.; Nelson, David B.; Fu, Qi.

In: Hypertension (Dallas, Tex. : 1979), Vol. 73, No. 2, 01.02.2019, p. 432-439.

Research output: Contribution to journalArticle

Badrov, MB, Park, SY, Yoo, JK, Hieda, M, Okada, Y, Jarvis, SS, Stickford, AS, Best, SA, Nelson, DB & Fu, Q 2019, 'Role of Corin in Blood Pressure Regulation in Normotensive and Hypertensive Pregnancy' Hypertension (Dallas, Tex. : 1979), vol. 73, no. 2, pp. 432-439. https://doi.org/10.1161/HYPERTENSIONAHA.118.12137
Badrov, Mark B. ; Park, Sun Young ; Yoo, Jeung Ki ; Hieda, Michinari ; Okada, Yoshiyuki ; Jarvis, Sara S ; Stickford, Abigail S. ; Best, Stuart A. ; Nelson, David B. ; Fu, Qi. / Role of Corin in Blood Pressure Regulation in Normotensive and Hypertensive Pregnancy. In: Hypertension (Dallas, Tex. : 1979). 2019 ; Vol. 73, No. 2. pp. 432-439.
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