De novo identification of universal cell mechanics gene signatures
2025
Marta Urbanska | Yan Ge | Maria Winzi | Shada Abuhattum | Syed Shafat Ali | Maik Herbig | Martin Kräter | Nicole Toepfner | Joanne Durgan | Oliver Florey | Martina Dori | Federico Calegari | Fidel-Nicolás Lolo | Miguel Ángel del Pozo | Anna Taubenberger | Carlo Vittorio Cannistraci | Jochen Guck
Cell mechanical properties determine many physiological functions, such as cell fate specification, migration, or circulation through vasculature. Identifying factors that govern the mechanical properties is therefore a subject of great interest. Here, we present a mechanomics approach for establishing links between single-cell mechanical phenotype changes and the genes involved in driving them. We combine mechanical characterization of cells across a variety of mouse and human systems with machine learning-based discriminative network analysis of associated transcriptomic profiles to infer a conserved network module of five genes with putative roles in cell mechanics regulation. We validate in silico that the identified gene markers are universal, trustworthy, and specific to the mechanical phenotype across the studied mouse and human systems, and demonstrate experimentally that a selected target, CAV1, changes the mechanical phenotype of cells accordingly when silenced or overexpressed. Our data-driven approach paves the way toward engineering cell mechanical properties on demand to explore their impact on physiological and pathological cell functions.
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