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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1-2
pubmed:dateCreated
2007-1-29
pubmed:abstractText
Arachidonic acid (AA) and its metabolites mediate many physiological processes including reproduction and endocrinology. The current study investigated effects of several inhibitors of AA cascade on steroidogenesis by rat corpus luteum cells in vitro. Dispersed luteal cells prepared from rat corpus luteum on day 6 of pseudopregnancy secreted progesterone (P4) in time-dependent and human chorinonic gonadotropin (hCG)-dependent fashion. Arachidonyl trifluoromethyl ketone, a preferential inhibitor of the type IVA phospholipase A(2) (PLA(2)-IVA), stimulated basal P4 secretion and had no influence on hCG-stimulated steroidogenesis. A novel and more specific inhibitor pyrrophenone inhibited hCG-induced P4 secretion. A cyclooxygenase inhibitor indomethacin did not affect basal secretion but inhibited hCG-stimulated secretion. Nordihydroguaiaretic acid tended to decrease basal P4 secretion and completely inhibited hCG-stimulated secretion. Obtained results suggest that AA metabolic cascade, which is triggered at least in part by PLA(2)-IVA activity, is potentially implicated in hCG-stimulated P4 secretory response in the rat corpus luteum.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
1098-8823
pubmed:author
pubmed:issnType
Print
pubmed:volume
83
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
139-45
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
Effects of arachidonate metabolism inhibitors on basal and human chorionic gonadotropin-stimulated progesterone secretion by rat corpus luteum cells in vitro.
pubmed:affiliation
Laboratory of Physiology, Kitasato University School of Veterinary Medicine and Animal Sciences, Towada, Aomori 034-8628, Japan. kurusu@vmas.kitasato-u.ac.jp
pubmed:publicationType
Journal Article