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- Title
High-Throughput Microscopy Analysis of Mitochondrial Membrane Potential in 2D and 3D Models.
- Authors
Vianello, Caterina; Dal Bello, Federica; Shin, Sang Hun; Schiavon, Sara; Bean, Camilla; Magalhães Rebelo, Ana Paula; Knedlík, Tomáš; Esfahani, Emad Norouzi; Costiniti, Veronica; Lacruz, Rodrigo S.; Covello, Giuseppina; Munari, Fabio; Scolaro, Tommaso; Viola, Antonella; Rampazzo, Elena; Persano, Luca; Zumerle, Sara; Scorrano, Luca; Gianelle, Alessio; Giacomello, Marta
- Abstract
Recent proteomic, metabolomic, and transcriptomic studies have highlighted a connection between changes in mitochondria physiology and cellular pathophysiological mechanisms. Secondary assays to assess the function of these organelles appear fundamental to validate these -omics findings. Although mitochondrial membrane potential is widely recognized as an indicator of mitochondrial activity, high-content imaging-based approaches coupled to multiparametric to measure it have not been established yet. In this paper, we describe a methodology for the unbiased high-throughput quantification of mitochondrial membrane potential in vitro, which is suitable for 2D to 3D models. We successfully used our method to analyze mitochondrial membrane potential in monolayers of human fibroblasts, neural stem cells, spheroids, and isolated muscle fibers. Moreover, by combining automated image analysis and machine learning, we were able to discriminate melanoma cells from macrophages in co-culture and to analyze the subpopulations separately. Our data demonstrated that our method is a widely applicable strategy for large-scale profiling of mitochondrial activity.
- Subjects
MEMBRANE potential; MITOCHONDRIAL membranes; MITOCHONDRIAL physiology; NEURAL stem cells; IMAGE analysis; MACHINE learning
- Publication
Cells (2073-4409), 2023, Vol 12, Issue 7, p1089
- ISSN
2073-4409
- Publication type
Article
- DOI
10.3390/cells12071089