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Title: Differential Collective Cell Migratory Behaviors Modulated by Phospholipid Nanocarriers
Authors: Kenry 
Yeo, T
She, DT
Nai, MH
Marcelo Valerio, VL
Pan, Y 
Middha, E
Lim, CT
Liu, B
Keywords: actin filaments
breast epithelial cells
cell stiffness
collective cell migration
phospholipid nanocarriers
Issue Date: 23-Nov-2021
Publisher: American Chemical Society (ACS)
Citation: Kenry, Yeo, T, She, DT, Nai, MH, Marcelo Valerio, VL, Pan, Y, Middha, E, Lim, CT, Liu, B (2021-11-23). Differential Collective Cell Migratory Behaviors Modulated by Phospholipid Nanocarriers. ACS Nano 15 (11) : 17412-17425. ScholarBank@NUS Repository.
Abstract: Phospholipid nanocarriers have been widely explored for theranostic and nanomedicine applications. These amphiphilic nanocarriers possess outstanding cargo encapsulation efficiency, high water dispersibility, and excellent biocompatibility, which render them promising for drug delivery and bioimaging applications. While the biological applications of phospholipid nanocarriers have been well documented, the fundamental aspects of the phospholipid-cell interactions beyond cytotoxicity have been less investigated. In particular, the effect of phospholipid nanocarriers on collective cell behaviors has not been elucidated. Herein, we evaluate the interactions of phospholipid nanocarriers possessing different functional groups and sizes with normal and cancerous immortalized breast epithelial cell sheets with varying metastatic potential. Specifically, we examine the impact of nanocarrier treatments on the collective migratory dynamics of these cell sheets. We observe that phospholipid nanocarriers induce differential collective cell migratory behaviors, where the migration speed of normal and cancerous breast epithelial cell sheets is retarded and accelerated, respectively. To a certain extent, the nanocarriers are able to alter the migration trajectory of the cancerous breast epithelial cells. Furthermore, phospholipid nanocarriers could modulate the stiffness of the nuclei, cytoplasm, and cell-cell junctions of the breast epithelial cell sheets, remodel their actin filament arrangement, and regulate the expressions of the actin-related proteins. We anticipate that this work will further shed light on nanomaterial-cell interactions and provide guidelines for rational and safer designs and applications of phospholipid nanocarriers for cancer theranostics and nanomedicine.
Source Title: ACS Nano
ISSN: 1936-0851
DOI: 10.1021/acsnano.1c03060
Appears in Collections:Staff Publications

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