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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
2
|
| pubmed:dateCreated |
1977-7-18
|
| pubmed:abstractText |
Dehydroepiandrosterone (D) and dehydroepiandrosterone sulphate (DS) concentrations were determined by radioimmunoassay in peripheral sera of non-pregnant, pregnant (55 days to term) and newborn baboons and in umbilical sera of animals delivered by Caesarean section close to term. D concentrations (mean +/- SD, microng/100 ml, N) in non-pregnany animals (1.61 +/- 1.32, 23) were not different (P greater than 0.05) from those during pregnancy (1.80 +/- 1.21, 101). DS concentrations, expressed as unconjugated D, in non-pregnant (13.5 +/- 6.0, 23) and pregnant (15.1 +/- 7.5, 101) animals were also similar (P greater than 0.05). However, both D (P less than 0.01) and DS (P less than 0.005) levels increased with gestational age such that serum D (2.46 +/- 1.39, 23, P less than 0.05) and DS (18.9 +/- 5.7, 23, P less than 0.001) levels between 150 and 180 days gestation were greater than in non-pregnant animals. These increases may be important since oestrogen production rises rapidly during late gestation and both D and DS can serve as oestrogen precursors. In both non-pregnant (P less than 0.005) and pregnant (P less than 0.001) animals D and DS concentrations (ratio 1:8) were correlated. Cord serum D levels (2.4 +/- 1.4, 5) were not different from those of maternal serum (P greater than 0.05), while cord DS levels (40.3 +/- 14.8) were greater (P less than 0.001) than those of maternal serum. This may reflect rapid equilibration of D but not DS between foetal and maternal circulations. In sera from neonates, D (19.4 +/- 14.6, 8) and DS 567 +/- 570, 8) concentrations were greater (P less than 0.001) than those in maternal serum, indicating marked post-partal changes in clearance or production of both compounds. The high levels of D and DS in cord and newborn wera are compatible with the view that the baboon foetus makes appreciable contributions of oestrogen precurosrs in pregnancy.
|
| pubmed:language |
eng
|
| pubmed:journal | |
| pubmed:citationSubset |
IM
|
| pubmed:chemical | |
| pubmed:status |
MEDLINE
|
| pubmed:month |
Jun
|
| pubmed:issn |
0001-5598
|
| pubmed:author | |
| pubmed:issnType |
Print
|
| pubmed:volume |
85
|
| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
|
| pubmed:pagination |
415-21
|
| pubmed:dateRevised |
2003-11-14
|
| pubmed:meshHeading |
pubmed-meshheading:141185-Animals,
pubmed-meshheading:141185-Animals, Newborn,
pubmed-meshheading:141185-Cesarean Section,
pubmed-meshheading:141185-Dehydroepiandrosterone,
pubmed-meshheading:141185-Female,
pubmed-meshheading:141185-Fetal Blood,
pubmed-meshheading:141185-Gestational Age,
pubmed-meshheading:141185-Haplorhini,
pubmed-meshheading:141185-Papio,
pubmed-meshheading:141185-Pregnancy,
pubmed-meshheading:141185-Pregnancy, Animal
|
| pubmed:year |
1977
|
| pubmed:articleTitle |
Serum dehydroepiandrosterone and dehydroepiandrosterone sulphate in baboon (Papio Papio) pregnancy.
|
| pubmed:publicationType |
Journal Article
|