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Though reactive oxygen species (ROS) has been noticed to be involved in arsenic trioxide (As2O3)-induced apoptosis of tumor cells, its role in apoptosis signaling remained to be elucidated. The objective of this work was to explore the association of the inherent cellular ROS level with the susceptibility of the tumor cells to apoptosis induction by As2O3. Low concentration of As2O3 was administered...
The purpose of the present study was to investigate the mechanisms involved in the induction of apoptosis in newborn cultured cardiomyocytes by activation of adenosine (ADO) A3 receptors and to examine the protective effects of β-adrenoceptors. The selective agonist for A3 ADO receptors Cl-IB-MECA (2-chloro-N6-iodobenzyl-5-N-methylcarboxamidoadenosine) and the antagonist MRS1523 (5-propyl-2-ethyl-4-propyl-3-(ethylsulfanylcarbonyl)-6-phenylpyridine-5-carboxylate)...
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