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The aim of this study was to establish the involvement of calcium signalling in genotoxicity, apoptosis and necrosis evoked by ochratoxin A (OTA) and citrinin (CTN) alone or in combination in porcine kidney PK15 cells. Cell proliferation test (MTT) and trypan blue assays (24 h) demonstrated that CTN (IC50 = 73.5 ± 1.0, 75.4 ± 1.4 μM, respectively) was less(More)
are two distinct types of cell death, death by injury and death by suicide. Cells that are damaged by injury, such as mechanical damage or exposure to toxic chemicals , undergo a series of changes characterised by swelling of cells and their organelles, leakage of cell content and inflammation of the surrounding tissues. In other words, cells die by(More)
The central nervous system is exposed to the chronic oxidative stress during aging when the endogenous defence weakens and the load of reactive oxygen species enhances. Sex hormones and heat shock proteins (Hsps) participate in these responses to stress. Their regulation is disturbed in aging. We assessed the expression of Hsps in hippocampus and cortex of(More)
INTRODUCTION The aim of the study was to examine basal hypothalamic-pituitary-adrenal (HPA) axis activity and to determine associations of various covariates (gender, sleep-wake rhythm, demographic, academic, life style and health-related characteristics) with altered daily salivary cortisol profiles in late adolescence. MATERIALS AND METHODS The total(More)
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