MedImmune 1 article published in JoVE Cancer Research Automated Multiplex Immunofluorescence Panel for Immuno-oncology Studies on Formalin-fixed Carcinoma Tissue Specimens Michael Surace1, Karma DaCosta1, Anna Huntley1, Weiguang Zhao1, Christopher Bagnall2, Charles Brown1, Chichung Wang3, Kristin Roman3, Jennifer Cann1, Arthur Lewis2, Keith Steele1, Marlon Rebelatto1, Edwin R. Parra4, Clifford C. Hoyt3, Jaime Rodriguez-Canales1 1Laboratory of Pathology, MedImmune, 2Laboratory of Pathology, MedImmune, 3Akoya Biosciences Inc., 4Department of Translational Molecular Pathology, University of Texas - MD Anderson Cancer Center A detailed protocol for a six-marker multiplex immunofluorescence panel is optimized and performed, using an automated stainer for more consistent results and a shorter procedure time. This approach can be directly adapted by any laboratory for immuno-oncology studies.