Fetal Lung Maturation
作者:
Juan M. Jimenez,
Michael Schultz,
Paul C. MacDonald,
John M. Johnston,
期刊:
Gynecologic and Obstetric Investigation
(Karger Available online 1974)
卷期:
Volume 5,
issue 5-6
页码: 245-251
ISSN:0378-7346
年代: 1974
DOI:10.1159/000301657
出版商: S. Karger AG
关键词: PAPase;Phosphatidic acid phosphohydrolase;Human amniotic fluid
数据来源: Karger
摘要:
The presence of phosphatidic acid phosphohydrolase (PAPase) in human amniotic fluid is demonstrated. The identity of the enzyme was established by the demonstration that the activity of the amniotic fluid enzyme was markedly decreased by the addition of known inhibitors of the enzyme and the pH optimum. The specific activity of PAPase in amniotic fluid increases from 15 nmol of phosphate release per milligram protein per hour at 20–32 weeks of gestation to 82 nmol in pregnancies of 35 weeks gestation and beyond (p < 0.001).
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