Ladies and Gentlemen, We put at your hands Supplement Progress of Cell Biology , which is the outcome of our intended Conference Fri Challenges of Contemporary Cell Biology . This conference was related to the 80 Anniversary Birthday Jubilee Professor dr hab. Mary J. Olszewska , member . thing. PAS, a retired professor at the University of Lodz , an eminent scientist and academic teacher , as well as multi- Editor-in- Progress of Cell Biology . The organizer of the Conference was Cytobiology Sciences Committee , and Chairman of the Organizing Committee - prof. dr hab. Andrew K. Kononowicz from the Department of General Genetics , Molecular Biology and Biotechnology , University of Lodz . Co-organizers of the Conference were : Institute of Physiology , Cytology and Cytogenetics University of Lodz and Lodz Branch of the Polish Academy of Sciences. The conference involved 352 people, including about 200 graduate students , magis - trantów and students of many universities across the country. They had the opportunity to present their research results in the form of poster presentations . Invited Speakers (in alphabetical order ) are: Stanisław Bielecki , Mariusz Jaskólski , Adam Jaworski , Andrzej Jerzmanowski , George Kawiak , Andrew K. Kononowicz , Elżbieta Kuta , Andrew B. Legocki , Stefan Malepszy , Krzysztof Pawlowski, George Silberring , John Shed , Sophia Szweykowska - Kulińska , Przemyslaw Wojtaszek and Elizabeth Wyroba . Abstracts of lectures and poster presentations were published as a special edition published in English by Publisher University of Lodz. The leading themes of the Conference were : • Molecular aspects of gene regulation , • Structural Genomics , • modeling of three-dimensional structure of proteins, • Genetic engineering of plants, • Base sequences of genes and proteins from the viewpoint of bioinformatics , • Methodological Challenges for the analysis of proteome , • Evolutionary aspects of cognition genome / proteome , • The mechanisms of perception and signal transduction , and • Reactions of cells to biotic and abiotic environmental stress . Editors