• Oval cell proliferation in cirrhosis in rats. An experimental study 

      Tsamandas, A. C.; Antonacopoulou, A.; Kalogeropoulou, C.; Tsota, I.; Zabakis, P.; Giannopoulou, E.; Liava, A.; Tzelepi, V.; Tepetes, K.; Petsas, T.; Kardamakis, D.; Kalofonos, H. P. (2007)
      Oval cells are liver stem cells involved in liver regeneration following liver damage. Previous studies have shown that pretreatment with a hepatocyte inhibitor is required to allow full oval cell activation. This study ...
    • Oxidative stress due to radiation in CD34(+) Hematopoietic progenitor cells: protection by IGF-1 

      Floratou, K.; Giannopoulou, E.; Antonacopoulou, A.; Karakantza, M.; Adonakis, G.; Kardamakis, D.; Matsouka, P. (2012)
      Radiation exerts direct as well as indirect effects on DNA through the generation of reactive oxygen species (ROS). Irradiated hematopoietic progenitor cells (HPCs) experience DNA strand breaks, favoring genetic instability, ...