We studied regulation of the expression of placental growth factor (PlGF) that plays an important role in the trophoblast cells functions and reduced production of which by the placenta is associated with gestational complications. PlGF expression is regulated by transcription factors whose activity is controlled by sumoylation, which is also necessary for the formation of an adequate cellular response to hypoxia. Increased sumoylation and reduced expression of some miRNA targeted to transcription factors VEGF, GCM-1, and UBC9 conjugating SUMO with targets protein were detected in the placenta. Correlations were revealed between changes in the expression of miR-423-3p and miR-652-3p, the level of SUMO 1-4 and UBC9 in the placenta, reduced concentration of PlGF, and increased sFlt-1/PlGF ratio in the blood of pregnant women with early-onset preeclampsia, which attests to the presence of a regulatory mechanism along the axis of miR-652-3p/SUMO-2/3/4/UBC9/GCM-1/PlGF.
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Translated from Kletochnye Tekhnologii v Biologii i Meditsine, No. 3, pp. 200-204, September, 2022
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Gusar, V.A., Timofeeva, A.V., Chagovets, V.V. et al. Regulation of the Placental Growth Factor Mediated by Sumoylation and Expression of miR-652-3p in Pregnant Women with Early-Onset Preeclampsia. Bull Exp Biol Med 174, 174–178 (2022). https://doi.org/10.1007/s10517-022-05668-z
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DOI: https://doi.org/10.1007/s10517-022-05668-z