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). https://doi.org/10.4081/jbr.2026.15278.