Universidad de Alcala de Henares 2 articles published in JoVE Cancer Research Establishment of Pancreatic Cancer-Derived Tumor Organoids and Fibroblasts From Fresh Tissue Jesús Frutos Díaz-Alejo*1,2,3,4, Simon April-Monn*5, Marina Cihova6, Verona Buocikova6, Jorge Villalón López1,3, Maria Urbanova6, Carmen G. Lechuga7, Miroslav Tomas6,8, Peter Dubovan6,8, Bárbara Luna Sánchez3, Sonia Camaño Páez3, Alfonso Sanjuanbenito2,9, Eduardo Lobo9, Estefanía Romio de la Heras10, Carmen Guerra2,7, Carolina de la Pinta11, Emma Barreto Melian1,2, Mercedes Rodríguez Garrote1,2, Alfredo Carrato1,2,4, Laura Ruiz-Cañas3,12,13, Bruno Sainz, Jr.2,3,12,13, Ana Torres3, Bozena Smolkova6, Julie Earl1,2,3 1Molecular Epidemiology and Predictive Tumor Markers Group, Area 3, Ramón y Cajal Health Research Institute (IRYCIS), 2The Biomedical Research Network in Cancer (CIBERONC), 3Biobank and Biomodels Platform (PT20/0045), ISCIII research and development platforms in biomedicine and health sciences, BioBank Hospital Ramón y Cajal-IRYCIS, Spanish National Biobanks Network (ISCIII Biobank Register No. B.0000678), Ramón y Cajal Health Research Institute (IRYCIS), 4Faculty of Medicine, University of Alcalá de Henares, 5Institute of Tissue Medicine and Pathology, University of Bern, 6Department of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, 7Experimental Oncology, Molecular Oncology Program, Centro Nacional de Investigaciones Oncológicas (CNIO), 8Department of Surgical Oncology, National Cancer Institute, Slovak Medical University, 9Pancreatic and Biliopancreatic Surgery Unit, Hospital Universitario Ramón y Cajal, 10Department of Pathology, Hospital Universitario Ramón y Cajal, 11Department of Radiation Oncology, Hospital Universitario Ramón y Cajal, 12Department of Cancer, Instituto de Investigaciones Biomédicas “Alberto Sols” (IIBM), 13Cancer Stem Cell and Fibroinflammatory Group, Chronic Diseases and Cancer, Area 3, IRYCIS Tumor organoids have revolutionized cancer research and the approach to personalized medicine. They represent a clinically relevant tumor model that allows researchers to stay one step ahead of the tumor in the clinic. This protocol establishes tumor organoids from fresh pancreatic tumor tissue samples and patient-derived xenografts of pancreatic adenocarcinoma origin. Chemistry Lethality Bioassay Using Artemia salina L. Márcia Santos Filipe*1,2, Vera M. S. Isca*1,3, Epole Ntungwe N.1,2, Salvatore Princiotto1, Ana Maria Díaz-Lanza2, Patrícia Rijo1,3 1CBIOS - Lusófona University's Center for Research in Biosciences & Health Technologies, Universidade Lusófona de Humanidades e Tecnologias, 2Facultad de Farmacia, Departamento de Ciencias Biomédicas (Área de Farmacologia; Nuevos agentes antitumorales, Acción tóxica sobre células leucémicas), Universidad de Alcalá de Henares, 3Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa This work aims to evaluate and review the Artemia salina lethality bioassay procedure, also identified as brine shrimp lethality assay. This simple and cheap method gives information about the general toxicity (considered as a preliminary toxicity evaluation) of samples, namely, natural products.