Vasoactive and natriuretic mediators in umbilical cord blood: A report of our observation and review of the literature

Hirokazu Tsukahara, Kyoichi Sekine, Masakazu Miura, Yukiko Todoroki, Yusei Ohshima, Masahiro Hiraoka, Kumiko Hosokawa, Fumikazu Kotsuji, Mitsufumi Mayumi

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Background: The relative potency and interrelationship among vasoactive and natriuretic mediators are thought to be important in the transition from fetal to neonatal life. However, little is known about their potential roles in the perinatal setting. Aim: The aim of this study was to evaluate further the potential roles of vasoactive and natriuretic mediators in the perinatal setting. Study design: We measured umbilical venous levels of arginine vasopressin, endothelin-1, adrenomedullin, natriuretic peptides and NO2-/NO3- in 24 vaginally delivered newborns and examined their possible functions. Results: Cord levels of vasopressin, endothelin-1 and adrenomedullin were considerably higher compared with normal adult values; the concentrations were more than 10-fold higher for vasopressin, and more than threefold higher for endothelin-1 and adrenomedullin. The levels of natriuretic peptides and NO2-/NO3- were almost comparable to those of normal adults. Among the mediators, there was a significant correlation between endothelin-1 and adrenomedullin. Conclusions: It appears from other studies that the postnatal fall in vasopressin and endothelin-1 levels is associated with increased levels of natriuretic peptides and NO2-/NO3-. Based on these observations, we consider that these mediators may play active roles in the initiation, maintenance or both of the transition from fetal to neonatal life.

Original languageEnglish
Pages (from-to)57-64
Number of pages8
JournalEarly Human Development
Volume69
Issue number1-2
DOIs
Publication statusPublished - Oct 2002
Externally publishedYes

Fingerprint

Endothelin-1
Adrenomedullin
Fetal Blood
Natriuretic Peptides
Observation
Vasopressins
Umbilicus
Arginine Vasopressin
Reference Values
Maintenance

Keywords

  • Humoral mediator
  • Newborn
  • Perinatal adaptation
  • Transition
  • Umbilical blood

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Vasoactive and natriuretic mediators in umbilical cord blood : A report of our observation and review of the literature. / Tsukahara, Hirokazu; Sekine, Kyoichi; Miura, Masakazu; Todoroki, Yukiko; Ohshima, Yusei; Hiraoka, Masahiro; Hosokawa, Kumiko; Kotsuji, Fumikazu; Mayumi, Mitsufumi.

In: Early Human Development, Vol. 69, No. 1-2, 10.2002, p. 57-64.

Research output: Contribution to journalArticle

Tsukahara, H, Sekine, K, Miura, M, Todoroki, Y, Ohshima, Y, Hiraoka, M, Hosokawa, K, Kotsuji, F & Mayumi, M 2002, 'Vasoactive and natriuretic mediators in umbilical cord blood: A report of our observation and review of the literature', Early Human Development, vol. 69, no. 1-2, pp. 57-64. https://doi.org/10.1016/S0378-3782(02)00038-5
Tsukahara, Hirokazu ; Sekine, Kyoichi ; Miura, Masakazu ; Todoroki, Yukiko ; Ohshima, Yusei ; Hiraoka, Masahiro ; Hosokawa, Kumiko ; Kotsuji, Fumikazu ; Mayumi, Mitsufumi. / Vasoactive and natriuretic mediators in umbilical cord blood : A report of our observation and review of the literature. In: Early Human Development. 2002 ; Vol. 69, No. 1-2. pp. 57-64.
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