Matches in SemOpenAlex for { <https://semopenalex.org/work/W3132275151> ?p ?o ?g. }
- W3132275151 abstract "Abstract Background Approximately 80% of brain tumours are gliomas. Despite treatment, patient mortality remains high due to local metastasis and relapse. It has been shown that transferrin-functionalised porous silicon nanoparticles (Tf@pSiNPs) can inhibit the migration of U87 glioma cells. However, the underlying mechanisms and the effect of glioma cell heterogeneity, which is a hallmark of the disease, on the efficacy of Tf@pSiNPs remains to be addressed. Results Here, we observed that Tf@pSiNPs inhibited heterogeneous patient-derived glioma cells’ (WK1) migration across small perforations (3 μm) by approximately 30%. A phenotypical characterisation of the migrated subpopulations revealed that the majority of them were nestin and fibroblast growth factor receptor 1 positive, an indication of their cancer stem cell origin. The treatment did not inhibit cell migration across large perforations (8 μm), nor cytoskeleton formation. This is in agreement with our previous observations that cellular-volume regulation is a mediator of Tf@pSiNPs’ cell migration inhibition. Since aquaporin 9 (AQP9) is closely linked to cellular-volume regulation, and is highly expressed in glioma, the effect of AQP9 expression on WK1 migration was investigated. We showed that WK1 migration is correlated to the differential expression patterns of AQP9. However, AQP9-silencing did not affect WK1 cell migration across perforations, nor the efficacy of cell migration inhibition mediated by Tf@pSiNPs, suggesting that AQP9 is not a mediator of the inhibition. Conclusion This in vitro investigation highlights the unique therapeutic potentials of Tf@pSiNPs against glioma cell migration and indicates further optimisations that are required to maximise its therapeutic efficacies. Graphic Abstract" @default.
- W3132275151 created "2021-03-01" @default.
- W3132275151 creator A5018202347 @default.
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- W3132275151 creator A5058788786 @default.
- W3132275151 creator A5075882111 @default.
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- W3132275151 date "2021-02-26" @default.
- W3132275151 modified "2023-10-09" @default.
- W3132275151 title "Effectiveness of porous silicon nanoparticle treatment at inhibiting the migration of a heterogeneous glioma cell population" @default.
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- W3132275151 doi "https://doi.org/10.1186/s12951-021-00798-4" @default.
- W3132275151 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7908697" @default.
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- W3132275151 hasPublicationYear "2021" @default.
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