M. Cristine Charlesworth currently works in the Proteomics Core, part of the Medical Genome Facility of Mayo Clinic - Rochester, MN. Cris helps conduct studies in protein analysis, identification, biomarker discovery and differential expression in human disease and animal/cell culture models. Her main role in the lab is study design, sample preparation for mass spectrometry analysis, gel electrophoresis, laser capture microdissection for proteomic analysis, and protein purification. Their most recent publication is 'Proteomic Analysis of Exosomes and Exosome-Free Conditioned Media Derived from Human Osteosarcoma Cell Lines Reveal Differential Secretion of Proteins Related to Biological Functions and Tumor Progression.'