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ISSN 2522-9028 (Print)
ISSN 2522-9036 (Online)

Fiziologichnyi Zhurnal

is a scientific journal issued by the

Bogomoletz Institute of Physiology
National Academy of Sciences of Ukraine

Editor-in-chief: V.F. Sagach

The journal was founded in 1955 as
1955 – 1977 "Fiziolohichnyi zhurnal" (ISSN 0015 – 3311)
1978 – 1993 "Fiziologicheskii zhurnal" (ISSN 0201 – 8489)
1994 – 2016 "Fiziolohichnyi zhurnal" (ISSN 0201 – 8489)
2017 – "Fiziolohichnyi zhurnal" (ISSN 2522-9028)

Fiziol. Zh. 2009; 55(1): 19-26


O.V. Surova, V.E. Dosenko, V.S. Nagibin, L.V. Tumanovskaya, A.A. Moybenko

    O.O.Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine


The cells death and genes expression in neonatal cardiomyocytes culture at two anoxia-reoxygenation modeling were investigated. The primary culture of neonatal cardiomyocytes was under­gone 30 min of anoxia followed by 24 h (A-R1) and the second anoxia-reoxygenation – 30 min and 60 min respectively (A-R2). The percentages of living, necrotic, apoptotic and autophagic cells were determined by staining with bis-benzimide, propidium iodide and monodansylcadaverine. Anoxia-reoxygenation sig­nificantly influenced the ratio of living, necrotic, apoptotic and autophagic cells both at its first A-R1 and second A-R2 epi­sodes. It was shown that the main mechanism of cell death after the both periods of anoxia-reoxygenation is necrosis. The changes of mRNA levels of genes of heat shock proteins HSP70 and HSP90, antiapoptotic protein Bcl2 and key regulator of au-tophagy FRAP in cardiomyocytes culture were established. The data obtained allow to make suggestion that in 24 h after the first episode of anoxia-reoxygenation A-R1 the overexpression of heat shock proteins starts the cascade of reactions that causes the necrotic cell death prevalent and the blocking of apoptotic program at second anoxia-reoxygenation A-R2.

Keywords: gene expression


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