Spatial confinement alters morphology, spreading dynamics, and mechanics of adherent platelets
Platelets are small blood cells involved in hemostasis and wound healing. After activation, platelets interact with their surrounding environment and respond to biochemical and mechanical stimuli by mechanosensitive and haptotactic mechanisms. We used microcontact printing (μCP) to mimic the physiol...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-09-01
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| Series: | Biophysical Reports |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2667074725000278 |
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| author | Johanna G. Rodríguez Jan Seifert Vincent Gidlund Carmela Rianna Tilman E. Schäffer |
| author_facet | Johanna G. Rodríguez Jan Seifert Vincent Gidlund Carmela Rianna Tilman E. Schäffer |
| author_sort | Johanna G. Rodríguez |
| collection | DOAJ |
| description | Platelets are small blood cells involved in hemostasis and wound healing. After activation, platelets interact with their surrounding environment and respond to biochemical and mechanical stimuli by mechanosensitive and haptotactic mechanisms. We used microcontact printing (μCP) to mimic the physiological conditions and limited space in small blood vessels in vitro. With μCP, we created 4-μm-wide fibrinogen lines to provide a spatially confined spreading space for platelets. We then let platelets adhere and spread on these lines while imaging them with optical microscopy and scanning ion conductance microscopy (SICM). Confined platelets showed significantly altered morphology, spreading dynamics, and mechanics compared with control platelets. Altered mechanical properties of confined platelets revealed reorganization of the actin cytoskeleton and the formation of regions of increased elastic modulus at the edges of the fibrinogen lines. Our results indicate that spatial confinement affects platelet mechanics and morphology on a subcellular level. |
| format | Article |
| id | doaj-art-177742c3ce7145d2a65a38115a47ed2a |
| institution | Kabale University |
| issn | 2667-0747 |
| language | English |
| publishDate | 2025-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Biophysical Reports |
| spelling | doaj-art-177742c3ce7145d2a65a38115a47ed2a2025-08-20T03:37:57ZengElsevierBiophysical Reports2667-07472025-09-015310022210.1016/j.bpr.2025.100222Spatial confinement alters morphology, spreading dynamics, and mechanics of adherent plateletsJohanna G. Rodríguez0Jan Seifert1Vincent Gidlund2Carmela Rianna3Tilman E. Schäffer4Institute of Applied Physics, University of Tübingen, Tübingen, GermanyInstitute of Applied Physics, University of Tübingen, Tübingen, GermanyInstitute of Applied Physics, University of Tübingen, Tübingen, GermanyInstitute of Applied Physics, University of Tübingen, Tübingen, GermanyInstitute of Applied Physics, University of Tübingen, Tübingen, Germany; Corresponding authorPlatelets are small blood cells involved in hemostasis and wound healing. After activation, platelets interact with their surrounding environment and respond to biochemical and mechanical stimuli by mechanosensitive and haptotactic mechanisms. We used microcontact printing (μCP) to mimic the physiological conditions and limited space in small blood vessels in vitro. With μCP, we created 4-μm-wide fibrinogen lines to provide a spatially confined spreading space for platelets. We then let platelets adhere and spread on these lines while imaging them with optical microscopy and scanning ion conductance microscopy (SICM). Confined platelets showed significantly altered morphology, spreading dynamics, and mechanics compared with control platelets. Altered mechanical properties of confined platelets revealed reorganization of the actin cytoskeleton and the formation of regions of increased elastic modulus at the edges of the fibrinogen lines. Our results indicate that spatial confinement affects platelet mechanics and morphology on a subcellular level.http://www.sciencedirect.com/science/article/pii/S2667074725000278 |
| spellingShingle | Johanna G. Rodríguez Jan Seifert Vincent Gidlund Carmela Rianna Tilman E. Schäffer Spatial confinement alters morphology, spreading dynamics, and mechanics of adherent platelets Biophysical Reports |
| title | Spatial confinement alters morphology, spreading dynamics, and mechanics of adherent platelets |
| title_full | Spatial confinement alters morphology, spreading dynamics, and mechanics of adherent platelets |
| title_fullStr | Spatial confinement alters morphology, spreading dynamics, and mechanics of adherent platelets |
| title_full_unstemmed | Spatial confinement alters morphology, spreading dynamics, and mechanics of adherent platelets |
| title_short | Spatial confinement alters morphology, spreading dynamics, and mechanics of adherent platelets |
| title_sort | spatial confinement alters morphology spreading dynamics and mechanics of adherent platelets |
| url | http://www.sciencedirect.com/science/article/pii/S2667074725000278 |
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