PMID- 36737470 OWN - NLM STAT- MEDLINE DCOM- 20230207 LR - 20230317 IS - 2045-2322 (Electronic) IS - 2045-2322 (Linking) VI - 13 IP - 1 DP - 2023 Feb 3 TI - Immature and mature bone marrow-derived dendritic cells exhibit distinct intracellular mechanical properties. PG - 1967 LID - 10.1038/s41598-023-28625-w [doi] LID - 1967 AB - Dendritic cells (DCs) patrol the organism at an immature stage to detect the presence of pathogens. Once activated, these mature DCs reach the lymph nodes to activate antigen-specific T lymphocytes and thus initiate an adaptative immune response to control the pathogen. The migration of both immature and mature DCs is a key process for their optimal function. DC migration requires transit through narrow constrictions that is allowed by their high local and global deformation capabilities. In addition to cytoplasmic changes, the nucleus mechanical properties also have a major impact for cellular migration and motility. Yet, nucleus intracellular mobility of dendritic cells or its variation upon maturation have not been investigated. Our study defines the biophysical phenotypic variations of dendritic cells upon maturation using interferometric deformability cytometry. This method characterizes different cellular mechanical properties, such as elongation and nucleus offset, by assessing the refractive index spatial distribution of shear-induced deformed cells. By using these parameters, our data suggest that in vitro bone marrow derived dendritic cell (BMDC) maturation induces cell stiffening and reduces nucleus mobility, allowing to distinguish immature and mature dendritic cells. Overall, our method provides insights on intracellular mechanical properties of two dendritic cell states. CI - (c) 2023. The Author(s). FAU - Leblanc-Hotte, Antoine AU - Leblanc-Hotte A AD - Immunology-Oncology Research Axis, Maisonneuve-Rosemont Hospital Research Centre, Montreal, QC, Canada. AD - Departement de Microbiologie, Infectiologie et Immunologie, Universite de Montreal, Montreal, QC, Canada. AD - Department of Engineering Physics, Polytechnique Montreal, Montreal, QC, Canada. FAU - Audiger, Cindy AU - Audiger C AD - Immunology-Oncology Research Axis, Maisonneuve-Rosemont Hospital Research Centre, Montreal, QC, Canada. AD - Departement de Microbiologie, Infectiologie et Immunologie, Universite de Montreal, Montreal, QC, Canada. FAU - Chabot-Roy, Genevieve AU - Chabot-Roy G AD - Immunology-Oncology Research Axis, Maisonneuve-Rosemont Hospital Research Centre, Montreal, QC, Canada. FAU - Lombard-Vadnais, Felix AU - Lombard-Vadnais F AD - Immunology-Oncology Research Axis, Maisonneuve-Rosemont Hospital Research Centre, Montreal, QC, Canada. FAU - Delisle, Jean-Sebastien AU - Delisle JS AD - Immunology-Oncology Research Axis, Maisonneuve-Rosemont Hospital Research Centre, Montreal, QC, Canada. AD - Departement de Medecine, Universite de Montreal, Montreal, QC, Canada. FAU - Peter, Yves-Alain AU - Peter YA AD - Department of Engineering Physics, Polytechnique Montreal, Montreal, QC, Canada. yves-alain.peter@polymtl.ca. FAU - Lesage, Sylvie AU - Lesage S AD - Immunology-Oncology Research Axis, Maisonneuve-Rosemont Hospital Research Centre, Montreal, QC, Canada. sylvie.lesage@umontreal.ca. AD - Departement de Microbiologie, Infectiologie et Immunologie, Universite de Montreal, Montreal, QC, Canada. sylvie.lesage@umontreal.ca. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20230203 PL - England TA - Sci Rep JT - Scientific reports JID - 101563288 SB - IM MH - Cell Differentiation MH - *Bone Marrow MH - *T-Lymphocytes MH - Cells, Cultured MH - Dendritic Cells PMC - PMC9898242 COIS- The authors declare no competing interests. EDAT- 2023/02/04 06:00 MHDA- 2023/02/08 06:00 PMCR- 2023/02/03 CRDT- 2023/02/03 23:25 PHST- 2022/10/31 00:00 [received] PHST- 2023/01/20 00:00 [accepted] PHST- 2023/02/03 23:25 [entrez] PHST- 2023/02/04 06:00 [pubmed] PHST- 2023/02/08 06:00 [medline] PHST- 2023/02/03 00:00 [pmc-release] AID - 10.1038/s41598-023-28625-w [pii] AID - 28625 [pii] AID - 10.1038/s41598-023-28625-w [doi] PST - epublish SO - Sci Rep. 2023 Feb 3;13(1):1967. doi: 10.1038/s41598-023-28625-w.