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Graphene Oxide Induced Perturbation to Plasma Membrane and Cytoskeletal Meshwork Sensitize Cancer Cells to Chemotherapeutic Agents
Zhu, Jianqiang; Xu, Ming; Gao, Ming; Zhang, Zhihong; Xu, Yong; Xia, Tian; Liu, Sijin
2017-10-01
Source PublicationACS NANO
Volume11Issue:3Pages:2637-2651
AbstractThe outstanding physicochemical properties endow graphene materials (e.g., graphene oxide, GO) with beneficial potentials in diverse biomedical fields such as bioimaging, drug delivery, and biomolecular detection. GO recently emerged as a chemosensitizer; however, the detailed molecular basis underlying GO-conducted sensitization and corresponding biological effects are still elusive. Based on our recent findings that GO treatment at sublethal concentrations could impair the general cellular priming state, including disorders of plasma membrane and cytoskeleton construction, we aimed here to explore the mechanism of GO as a sensitizer to make cancer cells more susceptible to chemotherapeutic agents. We discovered that GO could not only compromise plasma membrane and cytoskeleton in J774A.1 macrophages and A549 lung cancer cells at sublethal concentrations without incurring significant cell death but also dampen a number of biological processes. Using the toxicogenomics approaches, we laid out the gene expression signature affected by GO and further defined those genes involved in membrane and cytoskeletal impairments responding to GO. The mechanistic investigation uncovered that the interactions of GO integrin occurred on the plasma membrane and consequently activated the integrin-FAK-Rho-ROCK pathway and suppressed the expression of integrin, resulting in compromised cell membrane and cytoskeleton and a subsequent cellular priming state. By making use of this mechanism, the efficacy of chemotherapeutic agents (e.g., doxorubicin and cisplatin) could be enhanced by GO pretreatment in killing cancer cells. This study unveiled a feature of GO in cancer therapeutics: sensitizing cancer cells to chemotherapeutic agents by undermining the resistance capability of tumor cells against chemotherapeutic agents, at least partially, by compromising plasma membrane and cytoskeleton meshwork.
Department环境化学与生态毒理学国家重点实验室
KeywordGraphene Oxide Cytoskeleton Plasma Membrane Integrin Chemosensitizer Cancer Therapy
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/39322
Collection环境化学与生态毒理学国家重点实验室
Recommended Citation
GB/T 7714
Zhu, Jianqiang,Xu, Ming,Gao, Ming,et al. Graphene Oxide Induced Perturbation to Plasma Membrane and Cytoskeletal Meshwork Sensitize Cancer Cells to Chemotherapeutic Agents[J]. ACS NANO,2017,11(3):2637-2651.
APA Zhu, Jianqiang.,Xu, Ming.,Gao, Ming.,Zhang, Zhihong.,Xu, Yong.,...&Liu, Sijin.(2017).Graphene Oxide Induced Perturbation to Plasma Membrane and Cytoskeletal Meshwork Sensitize Cancer Cells to Chemotherapeutic Agents.ACS NANO,11(3),2637-2651.
MLA Zhu, Jianqiang,et al."Graphene Oxide Induced Perturbation to Plasma Membrane and Cytoskeletal Meshwork Sensitize Cancer Cells to Chemotherapeutic Agents".ACS NANO 11.3(2017):2637-2651.
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