» Articles » PMID: 36466784

Graphene Oxide Enhances Biogenesis and Release of Exosomes in Human Ovarian Cancer Cells

Overview
Publisher Dove Medical Press
Specialty Biotechnology
Date 2022 Dec 5
PMID 36466784
Authors
Affiliations
Soon will be listed here.
Abstract

Background: Exosomes, which are nanovesicles secreted by almost all the cells, mediate intercellular communication and are involved in various physiological and pathological processes. We aimed to investigate the effects of graphene oxide (GO) on the biogenesis and release of exosomes in human ovarian cancer (SKOV3) cells.

Methods: Exosomes were isolated using ultracentrifugation and ExoQuick and characterized by various analytical techniques. The expression levels of exosome markers were analyzed via quantitative reverse transcription-polymerase chain reaction and enzyme-linked immunosorbent assay.

Results: Graphene oxide (10-50 μg/mL), cisplatin (2-10 μg/mL), and C6-ceramide (5-25 μM) inhibited the cell viability, proliferation, and cytotoxicity in a dose-dependent manner. We observed that graphene oxide (GO), cisplatin (CIS), and C6-Ceramide (C6-Cer) stimulated acetylcholine esterase and neutral sphingomyelinase activity, total exosome protein concentration, and exosome counts associated with increased level of apoptosis, oxidative stress and endoplasmic reticulum stress. In contrast, GW4869 treatment inhibits biogenesis and release of exosomes. We observed that the human ovarian cancer cells secreted exosomes with typical cup-shaped morphology and surface protein biomarkers. The expression levels of TSG101, CD9, CD63, and CD81 were significantly higher in GO-treated cells than in control cells. Further, cytokine and chemokine levels were significantly higher in exosomes isolated from GO-treated SKOV3 cells than in those isolated from control cells. SKOV3 cells pre-treated with N-acetylcysteine or GW4869 displayed a significant reduction in GO-induced exosome biogenesis and release. Furthermore, endocytic inhibitors decrease exosome biogenesis and release by impairing endocytic pathways.

Conclusion: This study identifies GO as a potential tool for targeting the exosome pathway and stimulating exosome biogenesis and release. We believe that the knowledge acquired in this study can be potentially extended to other exosome-dominated pathologies and model systems. Furthermore, these nanoparticles can provide a promising means to enhance exosome production in SKOV3 cells.

Citing Articles

Stimuli-responsive Graphene-polysaccharide Nanocomposites for Drug Delivery and Tissue Engineering.

Teymourlouei A, Naghib S, Mozafari M Curr Org Synth. 2025; 22(2):211-233.

PMID: 39962959 DOI: 10.2174/0115701794298435240324175513.


Neutrophil extracellular traps in tumor metabolism and microenvironment.

Liu Z, Dou Y, Lu C, Han R, He Y Biomark Res. 2025; 13(1):12.

PMID: 39849606 PMC: 11756210. DOI: 10.1186/s40364-025-00731-z.


Chasing Graphene-Based Anticancer Drugs: Where are We Now on the Biomedical Graphene Roadmap?.

Uzdrowska K, Knap N, Gulczynski J, Kuban-Jankowska A, Struck-Lewicka W, J Markuszewski M Int J Nanomedicine. 2024; 19:3973-3989.

PMID: 38711615 PMC: 11073537. DOI: 10.2147/IJN.S447397.


Tumor Cells Transmit Drug Resistance via Cisplatin-Induced Extracellular Vesicles.

Wang J, Liu Q, Zhao Y, Fu J, Su J Int J Mol Sci. 2023; 24(15).

PMID: 37569723 PMC: 10418773. DOI: 10.3390/ijms241512347.


Endoplasmic reticulum stress: a novel targeted approach to repair bone defects by regulating osteogenesis and angiogenesis.

Wu T, Jiang Y, Shi W, Wang Y, Li T J Transl Med. 2023; 21(1):480.

PMID: 37464413 PMC: 10353205. DOI: 10.1186/s12967-023-04328-8.


References
1.
Riedl S, Shi Y . Molecular mechanisms of caspase regulation during apoptosis. Nat Rev Mol Cell Biol. 2004; 5(11):897-907. DOI: 10.1038/nrm1496. View

2.
Gurunathan S, Han J, Park J, Eppakayala V, Kim J . Ginkgo biloba: a natural reducing agent for the synthesis of cytocompatible graphene. Int J Nanomedicine. 2014; 9:363-77. PMC: 3890967. DOI: 10.2147/IJN.S53538. View

3.
Zhang Y, Ali S, Dervishi E, Xu Y, Li Z, Casciano D . Cytotoxicity effects of graphene and single-wall carbon nanotubes in neural phaeochromocytoma-derived PC12 cells. ACS Nano. 2010; 4(6):3181-6. DOI: 10.1021/nn1007176. View

4.
Lin M, Chen S, He P, Herschman H, Li H . PGE /EP antagonism enhances tumor chemosensitivity by inducing extracellular vesicle-mediated clearance of cancer stem cells. Int J Cancer. 2018; 143(6):1440-1455. DOI: 10.1002/ijc.31523. View

5.
Iguchi Y, Eid L, Parent M, Soucy G, Bareil C, Riku Y . Exosome secretion is a key pathway for clearance of pathological TDP-43. Brain. 2016; 139(Pt 12):3187-3201. PMC: 5840881. DOI: 10.1093/brain/aww237. View