The analysis of cellular metabolism is attracting increasing interest. Glycolysis and oxidative phosphorylation are intertwined with one another and dozens of other pathways to ultimately produce energy and maintain cellular fitness. However, cellular metabolism is much more than this. Metabolism underlies the proliferation, differentiation, and function of cells as well as the coordination of intercellular communication. Investigating metabolism allows the interpretation of cellular behavior in health and disease. In this article, we aim to demystify the complexity of cellular metabolism and explain the common approaches to study it. Whereas the analysis of cellular metabolism by western blot or flow cytometry might be accessible to most investigators, the functional and comprehensive analyses obtained with a Seahorse Analyzer or mass spectrometer come with monetary and logistical hurdles. We believe that the application of these techniques, together with collaborative efforts between scientists and clinicians, will uncover disease mechanisms and open novel therapeutic avenues for unmet clinical needs in the field of dermatology.
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