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|Title:||Thromboxane A2 and prostacyclin levels in molar pregnancy||Authors:||Roy, A.C.C.
|Issue Date:||Sep-1984||Citation:||Roy, A.C.C., Karim, S.M.M., Kottegoda, S.R., Ratnam, S.S. (1984-09). Thromboxane A2 and prostacyclin levels in molar pregnancy. British Journal of Obstetrics and Gynaecology 91 (9) : 908-912. ScholarBank@NUS Repository.||Abstract:||Plasma levels of thromboxane (TX) A2 and prostacyclin (PGI2), as measured by radioimmunoassay of their respective stable metabolites TXB2 and 6-keto PGF1α, were studied in six molar pregnancies immediately before, immediately following and 24 h after evacuation of the uterus. The mean (SD) levels for TXB2 were 150 (41), 137 (32) and 125 (25) pg/ml respectively, and for 6-keto PGF1α the respective values were 225 (52), 226 (127) and 213 (49) pg/ml. There was no significant difference in the levels of prostanoids between the samples taken at the various time intervals. The concentration of these prostanoids in molar intravesicular fluid was also determined. Their respective mean (SD) pg/ml values were 3682 (760) for TXB2 and 2969 (744) for 6-keto PGF1α. In 15 normal pregnancies of equivalent gestation, the mean amniotic fluid levels of TXB2 and 6-keto PGF1α were 34 (17) and 146 (86) pg/ml respectively. The ability of molar trophoblast to generate the prostanoids from [14C]arachidonic acid in vitro was also demonstrated. Mean (SD) values for TXB2 and 6-keto PGF1α were 12.2 (2.6) and 13.2 (1.8) pg/mg protein/min, respectively. It is likely that the high concentrations of prostanoids in vesicular fluid reflect the synthesizing ability of the villus vesicles. The mole contributes little to the circulatory prostanoids possibly because its villi are deficient in blood circulation. © 1984.||Source Title:||British Journal of Obstetrics and Gynaecology||URI:||http://scholarbank.nus.edu.sg/handle/10635/133678||ISSN:||03065456|
|Appears in Collections:||Staff Publications|
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