Both cell types, independently if exposed or sham exposed, showed positive and negative differences in cell proliferation throughout the years compared to the control cell cultures. These effects occurred in a period-dependent manner and differed between the used incubators. The authors conclude that the observed spatiotemporal differences in the present study may partially explain the poor reproducibility and controversial results of many experimental and epidemiological studies.
Kyungpook National University Research Fund, Korea
Ministry of Education, Science and Technology (MEST), Korea
National Research Foundation (NRF) of Korea
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