After successfully applying for the HELENA Research stay grant, Mario Pepe, Ph.D student, was awarded with a 3000€ travel grant to fund his lab exchange at the Insybio LTD in Patras, Greece. He worked under the supervision of Professor Seferina Mavroudi and Dr Konstatinos Theofilatos from September 1 till November 1, 2017. Mario had the opportunity to learn new kinds of system biology approaches that strenghten the results of his project, and build new collaborations with the Insybio LTD research department.