026 | Graphene oxide nanosystem for antisense miRNA-21 delivery in hepatocellular carcinoma: Paola Trischitta1, Rosamaria Pennisi1, Maria Teresa Sciortino1, Marta Kutwin2 | 1Dept. of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Italy; 2Dep of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland. J Biol Res. 2026;99(s1). doi:10.4081/jbr.2026.15278