Jean-François Joanny Matière molle et biophysique Collège de France Année 2023-2024 Séminaire - Gabriel Neurohr : Regulation and Relevance of Cytoplasm Density Gabriel Neurohr Professeur Docteur, ETH-Zurich, Suisse Résumé The overall concentration of macromolecules tightly regulated but can change between cell types and environmental conditions. I will talk about, or efforts to elucidate, how cytoplasm density is controlled and alterations in overall macromolecule concentration affect cell physiology.