Graphene Oxide Nanosheets Retard Cellular Migration via Disruption of Actin Cytoskeleton

doi:10.1002/smll.201602133

	Graphene Oxide Nanosheets Retard Cellular Migration via Disruption of Actin Cytoskeleton
	Tian, X; Yang, ZX; Duan, GX; Wu, AQ; Gu, ZL; Zhang, LL; Chen, CY; Chai, ZF; Ge, CC; Zhou, RH
刊名	SMALL
	2017
卷号	13 期号:3 页码:1602133
ISSN号	1613-6810
DOI	10.1002/smll.201602133
文献子类	Article
英文摘要	Graphene and graphene-based nanomaterials are broadly used for various biomedical applications due to their unique physiochemical properties. However, how graphene-based nanomaterials interact with biological systems has not been thoroughly studied. This study shows that graphene oxide (GO) nanosheets retard A549 lung carcinoma cell migration through nanosheet-mediated disruption of intracellular actin filaments. After GO nanosheets treatment, A549 cells display slower migration and the structure of the intracellular actin filaments is dramatically changed. It is found that GO nanosheets are capable of absorbing large amount of actin and changing the secondary structures of actin monomers. Large-scale all-atom molecular dynamics simulations further reveal the interactions between GO nanosheets and actin filaments at molecular details. GO nanosheets can insert into the interstrand gap of actin tetramer (helical repeating unit of actin filament) and cause the separation of the tetramer which eventually leads to the disruption of actin filaments. These findings offer a novel mechanism of GO nanosheet induced biophysical responses and provide more insights into their potential for biomedical applications.
电子版国际标准刊号	1613-6829
WOS关键词	CARBON NANOTUBES ; MOLECULAR-DYNAMICS ; FORCE-FIELDS ; CELLS ; WATER ; SIMULATIONS ; FILAMENTS ; CYTOTOXICITY ; TRANSITION ; INHIBITION
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种	英语
WOS记录号	WOS:000396567600003
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/285133]
专题	高能物理研究所_多学科研究中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Tian, X,Yang, ZX,Duan, GX,et al. Graphene Oxide Nanosheets Retard Cellular Migration via Disruption of Actin Cytoskeleton[J]. SMALL,2017,13(3):1602133.
APA	Tian, X.,Yang, ZX.,Duan, GX.,Wu, AQ.,Gu, ZL.,...&柴之芳.(2017).Graphene Oxide Nanosheets Retard Cellular Migration via Disruption of Actin Cytoskeleton.SMALL,13(3),1602133.
MLA	Tian, X,et al."Graphene Oxide Nanosheets Retard Cellular Migration via Disruption of Actin Cytoskeleton".SMALL 13.3(2017):1602133.