Relationship Between the Changes in Maternal Serum Placental Leucine Aminopeptidase (P-LAP) Activity and Umbilical Artery Waveforms in Normal Pregnancy

S. A. Mohamed; S. Mizutani; A. Itakura; N. Kuno; H. T. Salem; S. A. M. Mostafa; O. Kurauchi; F. Kikkawa; Y. Tomoda

doi:10.1055/s-2007-979148

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Horm Metab Res 1996; 28(3): 147-149
DOI: 10.1055/s-2007-979148

Originals Clinical

Relationship Between the Changes in Maternal Serum Placental Leucine Aminopeptidase (P-LAP) Activity and Umbilical Artery Waveforms in Normal Pregnancy

S. A. Mohamed¹ , S. Mizutani² , A. Itakura² , N. Kuno² , H. T. Salem¹ , S. A. M. Mostafa¹ , O. Kurauchi² , F. Kikkawa² , Y. Tomoda²

¹Department of Obstetrics and Gynecology, Faculty of Medicine, Assiut University, Sssiut, Egypt
²Department of Obstetrics and Gynecology, Nagoya University School of Medicine, Nagoya, Japan

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Publication History

1995

1996

Publication Date:
23 April 2007 (online)

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The relation between placental leucine aminopeptidase (PLAP) activity in maternal sera and umbilical artery waveforms (systolic/diastoic ratio, S/D) obtained by pulsed Doppler has been examined by cross-sectional study in 26 normal pregnancies during weeks 26 - 38. A negative correlation was seen to exist suggesting that P-LAP may have a role in the regulation of uteroplacental blood flow.

Key words

Placental Leucine Aminopeptidase (P-LAP) - Systolic/Diastolic Ratio (S/D Ratio) - Uteroplacental Blood Flow - Vasopressin