PMID- 23323327 OWN - NLM STAT- MEDLINE DCOM- 20130124 LR - 20161125 IS - 0869-2092 (Print) IS - 0869-2092 (Linking) VI - 75 IP - 11 DP - 2012 TI - [Comparative in vitro study of anticoagulant activity of RA36 DNA aptamer in human, rabbit, and rat blood plasma]. PG - 13-8 AB - DNA aptamer RA36 with a molecular weight of 10000 is direct-acting anticoagulant whose efficacy is lower than that of recombinant hirudin and unfractionated heparin (UFH) in blood clotting time (BCT), activated blood recalcification time (ABRT), recalcification time (RT), prothrombin time (PT), and activated partial thromboplastin time (APTT) tests. The anticoagulant effect of RA36 is comparable with that of UFH in the thrombin time (TT) test, but is lower than the effect of recombinant hirudin. Analysis of the blood and plasma anticoagulant activity during intravenous bolus administration of aptamer RA36 in rabbits and rats is based on the use ABRT (in blood case) and APTT/RT (in plasma case) tests. The range of doses for evaluation of pharmacodynamic parameters of RA36 during intravenous bolus administration in rabbits and rats is 3 - 34 mg/kg and 1 - 27 mg/kg, respectively. Accordingly, designed dose range for humans is 1 -29 mg/kg. FAU - Savchik, E Iu AU - Savchik EIu FAU - Kalinina, T B AU - Kalinina TB FAU - Drozd, N N AU - Drozd NN FAU - Makarov, V A AU - Makarov VA FAU - Zav'ialova, E G AU - Zav'ialova EG FAU - Lapsheva, E N AU - Lapsheva EN FAU - Babii, A V AU - Babii AV FAU - Mudrik, N N AU - Mudrik NN FAU - Pavlova, G V AU - Pavlova GV FAU - Golovin, A V AU - Golovin AV FAU - Kopylov, A M AU - Kopylov AM LA - rus PT - Comparative Study PT - Journal Article PL - Russia (Federation) TA - Eksp Klin Farmakol JT - Eksperimental'naia i klinicheskaia farmakologiia JID - 9215981 RN - 0 (Anticoagulants) RN - 0 (Aptamers, Nucleotide) RN - 0 (Hirudins) RN - 0 (Recombinant Proteins) RN - 9005-49-6 (Heparin) RN - Y43GF64R34 (lepirudin) SB - IM MH - Animals MH - Anticoagulants/chemical synthesis/pharmacokinetics/*pharmacology MH - Aptamers, Nucleotide/chemical synthesis/pharmacokinetics/*pharmacology MH - Blood Coagulation/*drug effects MH - Drug Dosage Calculations MH - Heparin/pharmacokinetics/pharmacology MH - Hirudins/pharmacokinetics/pharmacology MH - Humans MH - Injections, Intravenous MH - Male MH - Molecular Weight MH - Partial Thromboplastin Time MH - Prothrombin Time MH - Rabbits MH - Rats MH - Recombinant Proteins/pharmacokinetics/pharmacology EDAT- 2013/01/18 06:00 MHDA- 2013/01/25 06:00 CRDT- 2013/01/18 06:00 PHST- 2013/01/18 06:00 [entrez] PHST- 2013/01/18 06:00 [pubmed] PHST- 2013/01/25 06:00 [medline] PST - ppublish SO - Eksp Klin Farmakol. 2012;75(11):13-8.