Department of Medical Chemistry, Molecular Biology, and Pathobiochemistry, Semmelweis University, Budapest 1094, Hungary. Department of Anatomy, Cell and Developmental Biology, Eötvös Loránd University, Budapest 1117, Hungary. Research Centre for Natural Sciences of the Hungarian Academy of Sciences, Budapest 1117, Hungary. Center for Medical Genetics, Ghent University, Ghent B-9000, Belgium. Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia 25123, Italy. Pathobiochemistry Research Group of Hungarian Academy of Sciences & Semmelweis University, Budapest 1094, Hungary. Institute of Clinical Experimental Research, Semmelweis University, Budapest 1094, Hungary.