1. Department of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University of Medicine, Budapest 1444, Hungary, Creighton University, School of Medicine, Department of Biomedical Sciences, Omaha, Nebraska 68178, National Institute of Oncology, Budapest, Hungary, Biological Research Center, Hungarian Academy of Sciences, Szeged, Hungary, Central Research Institute for Chemistry, Hungarian Academy of Sciences, Budapest, Hungary, and Department of Anatomy, University Medical School of...