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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201806181
|2 doi
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|a eng
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|a Septiadi, Dedy
|e verfasserin
|4 aut
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|a Revealing the Role of Epithelial Mechanics and Macrophage Clearance during Pulmonary Epithelial Injury Recovery in the Presence of Carbon Nanotubes
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|c 2018
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|a Text
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|a ƒaComputermedien
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|a Date Completed 04.06.2019
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Wound healing assays are extensively used to study tissue repair mechanisms; they are typically performed by means of physical (i.e., mechanical, electrical, or optical) detachment of the cells in order to create an open space in which live cells can lodge. Herein, an advanced system based on extensive photobleaching-induced apoptosis; providing a powerful tool to understand the repair response of lung epithelial tissue, consisting of a small injury area where apoptotic cells are still intact, is developed. Notably, the importance of epithelial mechanics and the presence of macrophages during the repair can be understood. The findings reveal that individual epithelial cells are able to clear the apoptotic cells by applying a pushing force, whilst macrophages actively phagocytose the dead cells to create an empty space. It is further shown that this repair mechanism is hampered when carbon nanotubes (CNTs) are introduced: formation of aberrant (i.e., thickening) F-actins, maturation of focal adhesion, and increase in traction force leading to retardation in cell migration are observed. The results provide a mechanistic view of how CNTs can interfere with lung repair
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|a Journal Article
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|a carbon nanotubes
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|a epithelial injury recovery
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|a epithelial mechanics
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|a macrophage clearance
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|a pulmonary fibrosis
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|a Actins
|2 NLM
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|a Nanotubes, Carbon
|2 NLM
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|a Abdussalam, Wildan
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|a Rodriguez-Lorenzo, Laura
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|a Spuch-Calvar, Miguel
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|a Bourquin, Joël
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|4 aut
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|a Petri-Fink, Alke
|e verfasserin
|4 aut
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|a Rothen-Rutishauser, Barbara
|e verfasserin
|4 aut
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|t Advanced materials (Deerfield Beach, Fla.)
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|g 30(2018), 52 vom: 15. Dez., Seite e1806181
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