The effect of sulodexide on placental mitochondria function in rats with experimental preeclampsia

   
Popova T.A.1, Perfilova V.N.1 , Zhakupova G.A.1, Verovsky V.E.1, Ostrovskij O.V.1, Tyurenkov I.N.1

1. Volgograd State Medical University, Volgograd, Russia
Section: Experimental Study
DOI: 10.18097/PBMC20166205572      UDK: 615:547.995.17:618.2-092.4      PubMed Id: 27797333
Year: 2016  Volume: 62  Issue: 5  Pages: 572-576
Substitution of drinking water for 1.8% NaCl in pregnant rats caused a pronounced increase in arterial pressure by 24,3% and urinary protein by 117% to day 21 of pregnancy. State 4 respiration of isolated placental mitochondria in the group of negative control was 3- and 1.5-fold higher with malate/glutamate and succinate as substrates than in placental mitochondria isolated from uncomplicated pregnant animals. This led to a decrease of the respiratory control ratio. These results suggest that development of experimental preeclampsia is accompanied by mitochondrial dysfunction through uncoupling of oxidative phosphorylation. Daily administration of sulodexide to females with experimental preeclampsia (EP) per os at a dose of 30 LE during the whole period of gestation decreased manifestations of the disease as evidenced by a slight increase in blood pressure (by 8,6%) and less pronounces increase in urinary protein (by 58,9%). Sulodexide decreased development of mitochondrial dysfunction in EP rats as shown a decrease of non-stimulated ADP respiration with malate/glutamate and succinate (4.5- and 2.5-fold, respectively) as compared with the negative control group and the corresponding increase in the respiratory control ratio (2.5- and 1.5-fold, respectively). Thus, sulodexide reduces uncoupling of oxidative phosphorylation and enhances the functional activity of mitochondria in EP animals, possibly due to its antioxidant and endotelioprotective effects.
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Keywords: experimental preeclampsia, placental dysfunction of mitochondria, sulodexide
Cite as:

Popova, T. A., Perfilova, V. N., Zhakupova, G. A., Verovsky, V. E., Ostrovskij, O. V., Tyurenkov, I. N. (2016). The effect of sulodexide on placental mitochondria function in rats with experimental preeclampsia. Biomeditsinskaya khimiya, 62(5), 572-576.
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