Linked Life Data

3391424

Source:http://linkedlifedata.com/resource/pubmed/id/3391424

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1988-8-24
pubmed:abstractText
The capacity of the freshly delivered human term placenta to produce and release placental proteins during in vitro dual perfusion was investigated. The organ was perfused in separate closed circulations and aliquots of medium were taken at regular intervals from both maternal and fetal circuits. The placental proteins human chorionic gonadotrophin (HCG), human placental lactogen (HPL), pregnancy-specific beta 1-glycoprotein (SP1), and pregnancy-associated plasma protein A (PAPP-A) were quantified in these media as well as in the placental tissue before and after the perfusion. It was found that the four above-mentioned proteins were synthesised during the perfusion interval (90 min to 3 h) while pregnancy-associated alpha 2-glycoprotein and prolactin were only washed out. The mean production of HCG, HPL, SP1, and PAPP-A was decreased when either cycloheximide, puromycin, iodoacetic acid, or 2,4-dinitrophenol had been added to the perfusing medium. Amongst these four antimetabolites iodoacetic acid most severely affected both the total release and net synthesis. It is concluded that the above four proteins are synthesised de novo by the perfused placenta in the absence of maternal tissue and that this synthesis is energy-dependent.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0378-7346
pubmed:author
pubmed:issnType
Print
pubmed:volume
25
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
145-51
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1988
pubmed:articleTitle
Effect of protein synthesis inhibitors and metabolic blockers on the production of placental proteins by the in vitro perfused human placenta.
pubmed:affiliation
Department of Obstetrics and Gynaecology, University Hospital, Zurich, Switzerland.
pubmed:publicationType
Journal Article, In Vitro, Research Support, Non-U.S. Gov't