Наукові праці. Кафедра акушерства та гінекології № 2

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    Eryptosis contributes to gestational diabetes mellitus in maternal obesity
    (2024) Лазуренко, Вікторія Валентинівна; Железняков, Олександр Юрійович; Прокопюк Володимир Юрійович; Lazurenko, V.; Zhelezniakov, O.; Prokopiuk, V.
    Obesity is considered to be a risk factor for Gestational Diabetes Mellitus, which is characterised by hyperglycaemia in pregnant women. Recent studies have demonstrated that glycated erythrocytes are more prone to eryptosis, a unique regulated cell death observed only in mature erythrocytes.
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    Redox status and cell membrane alterations of circulating leukocytes and erythrocytes in abnormal uterine bleeding
    (2023-03-15) Alieksieieva, Olena; Harkavenko, Karyna; Posokhov, Evgeny; Prokopiuk, Volodymyr; Lazurenko, Viktoriia; Safonov, Roman
    Aim. To analyze the eryptosis degree, the state of cell membranes and redox status of circulating red blood cells and leukocytes in patients with abnormal uterine bleeding and its combination with hypothyroidism. Materials and methods. Patients, 74 women aged 18 to 49 years, were examined, which were divided into 3 groups: group I — women with abnormal uterine bleeding (AUB) (24 patients); group II — with AUB and thyroid pathology (30 patients, of whom 18 women had primary hypothyroidism and 2 — secondary hypothyroidism); group III — control group (20 healthy women, who had never had menstrual irregularities). Eryptosis of circulating erythrocytes was assessed by flow cytometry using annexin V staining and 2′,7′-dichlorodihydrofluorescein diacetate (H2DCFDA) staining. Fluorescent probes O1O (2-(2¢-hydroxy-phenyl)-5-phe-nyl-1,3-oxazole) and PH7 (2-(2¢-hydroxy-phenyl)-phenanthro[9,10-d]-1,3-oxazole) were used to characterize changes in phospholipid bilayers of circulating erythrocytes and leukocytes. Lysed blood samples were stained with antibodies to CD45, 7-aminoactinomycin D and H2DCFDA to analyze the redox status of circulatingviable leukocytes.