title: [Effect of 3,4-dihydroxyacetophenone on platelet aggregation in normal pregnancy and pregnancy induced hypertension].
abstract: The effect of 3,4-Dihydroxyacetophenone (DHAP) on platelet aggregation in normal pregnancy and pregnancy induced hypertension (PIH) in the third-trimester was studied by optical method. The IC50 values of DHAP in inhibiting ADP-induced platelet aggregation in normal pregnancy and PIH were 1.0 x 10(-3) mol/L and 2.4 x 10(-3) mol/L respectively. A dose-effect relationship of DHAP was also demonstrated (r greater than 0.92). At various time-phases of ADP-induced platelet aggregation, the addition of DHAP to the platelet-rich plasma could rapidly decrease the two-phase aggregation. DHAP of 200-240 mg/d x 3-5 days by i.v. drips given to patients with PIH also inhibited ADP-induced platelet aggregation. The authors conclude that DHAP is a potent antithrombogenic agent both in vitro and in vivo and is therefore a promising drug to improve utero-placenta-fetal circulation.
authors.affiliation: Tongji Hospital, Tongji Medical University, Wuhan.
authors.forename: Y P
authors.initials: YP
authors.lastname: Sun
mesh_terms: D000098:Acetophenones / Q000627:therapeutic use*; D000328:Adult; D005260:Female; D006801:Humans; D010974:Platelet Aggregation / Q000187:drug effects*; D010975:Platelet Aggregation Inhibitors / Q000627:therapeutic use*; D011225:Pre-Eclampsia / Q000097:blood / Q000188:drug therapy*; D011247:Pregnancy / Q000097:blood*
chemical_list: D000098:Acetophenones; D010975:Platelet Aggregation Inhibitors; C032940:3,4-dihydroxyacetophenone