2022
DOI: 10.2217/nnm-2022-0030
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Graphene Oxide Induces Autophagy and Apoptosis Via The ROS-Dependent AMPK/mTOR/ULK-1 Pathway in Colorectal Cancer Cells

Abstract: Aim: To investigate the anticancer effects and action mechanism of graphene oxide (GO) in colorectal cancer (CRC). Materials & methods: Anticancer effects and mechanisms of GO in CRC were investigated both in vivo and in vitro. Results: GO significantly inhibited tumor growth both in vitro and in vivo. GO was able to enter HCT116 cells through endocytosis. GO treatment resulted in cytotoxicity, reactive oxygen species (ROS) production, apoptosis, autophagy and activation of the AMPK/mTOR/ULK1 signal pathwa… Show more

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Cited by 15 publications
(13 citation statements)
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“…However, in the case of MGN, cell death may be activated by the mitochondrial apoptotic pathway to a greater extent than for MGO, which may mean that M has a greater effect on intracellular structures than it does in a complex with GO. Other studies have linked GO as a vehicle that binds to a cell's death receptor and activates the extracellular apoptosis pathway [44].…”
Section: Discussionmentioning
confidence: 99%
“…However, in the case of MGN, cell death may be activated by the mitochondrial apoptotic pathway to a greater extent than for MGO, which may mean that M has a greater effect on intracellular structures than it does in a complex with GO. Other studies have linked GO as a vehicle that binds to a cell's death receptor and activates the extracellular apoptosis pathway [44].…”
Section: Discussionmentioning
confidence: 99%
“…When graphene nanoparticles are loaded with autophagy inhibitors, they can also exert an autophagy inhibitory effect by blocking autophagy flux and inducing the accumulation of autophagosomes in cells ( 116 ). Graphene oxide can also induce autophagic death of HCT116 cells by activating the ROS-dependent AMPK/mTOR/ULK1 pathway, thereby exerting obvious anti-colorectal cancer effects both in vivo and in vitro ( 72 ). And it can also synergize with cisplatin to significantly enhance the initiation and progression of autophagy in Skov-3 cells, enhance the toxicity of cisplatin to colon cancer cells, and mediate cell necrosis ( 117 ).…”
Section: Nanodrugs Exert Cancer Therapeutic Effects Through Autophagy...mentioning
confidence: 99%
“…Thus, graphene oxide has obvious anti-cancer effects, which seems to be mostly achieved by induction of autophagic death of HCT116 cells and activation of the ROS-dependent AMPK/mTOR/ULK1 pathway. 51 , 53 …”
Section: Graphene and Graphene Derivatives In Oncologymentioning
confidence: 99%
“… [ 48 ] GO HCT116 GO exerts anticancer effects against Colorectal cancer via ROS-dependent AMPK/mTOR/ULK-1 pathway-related autophagy and apoptosis. [ 51 ] rGO MDA-MB-231, ZR-75-1 and fibroblasts cells RGO can induce cytotoxicity in MDA-MB-231 and ZR-75-1 cell lines but not in human skin fibroblasts. The antiproliferative effect of rGO is associated with a decrease in MMP, increased autophagy and cell cycle arrest in breast cancer cells.…”
Section: Summary and Future Perspectivementioning
confidence: 99%