Kasparov
Using Light for Therapy of Glioblastoma Multiforme (GBM)
Kasparov; Vasilev; Teschemacher; Sofi; Smith; Rahman, Ruman
Authors
Vasilev
Teschemacher
Sofi
Smith
RUMAN RAHMAN RUMAN.RAHMAN@NOTTINGHAM.AC.UK
Professor of Molecular Neuro-Oncology
Abstract
Glioblastoma multiforme (GBM) is the most malignant form of primary brain tumour with extremely poor prognosis. The current standard of care for newly diagnosed GBM includes maximal surgical resection followed by radiotherapy and adjuvant chemotherapy. The introduction of this protocol has improved overall survival, however recurrence is essentially inevitable. The key reason for that is that the surgical treatment fails to eradicate GBM cells completely, and adjacent parenchyma remains infiltrated by scattered GBM cells which become the source of recurrence. This stimulates interest to any supplementary methods which could help to destroy residual GBM cells and fight the infiltration. Photodynamic therapy (PDT) relies on photo-toxic effects induced by specific molecules (photosensitisers) upon absorption of photons from a light source. Such toxic effects are not specific to a particular molecular fingerprint of GBM, but rather depend on selective accumulation of the photosensitiser inside tumour cells or, perhaps their greater sensitivity to the effects, triggered by light. This gives hope that it might be possible to preferentially damage infiltrating GBM cells within the areas which cannot be surgically removed and further improve the chances of survival if an efficient photosensitiser and hardware for light delivery into the brain tissue are developed. So far, clinical trials with PDT were performed with one specific type of photosensitiser, protoporphyrin IX, which tends to accumulate in the cytoplasm of the GBM cells. In this review we discuss the idea that other types of molecules which build up in mitochondria could be explored as photosensitisers and used for PDT of these aggressive brain tumours.
Citation
Kasparov, Vasilev, Teschemacher, Sofi, Smith, & Rahman, R. (2020). Using Light for Therapy of Glioblastoma Multiforme (GBM). Brain Sciences, 10(2), Article 75. https://doi.org/10.3390/brainsci10020075
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 27, 2020 |
Online Publication Date | Jan 31, 2020 |
Publication Date | 2020-02 |
Deposit Date | Feb 1, 2020 |
Publicly Available Date | Feb 3, 2020 |
Journal | Brain Sciences |
Publisher | MDPI |
Peer Reviewed | Peer Reviewed |
Volume | 10 |
Issue | 2 |
Article Number | 75 |
DOI | https://doi.org/10.3390/brainsci10020075 |
Keywords | glioblastoma multiforme; photodynamic therapy; photosensitiser |
Public URL | https://nottingham-repository.worktribe.com/output/3845890 |
Publisher URL | https://www.mdpi.com/2076-3425/10/2/75 |
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Using Light Therapy For GBM Review 2020
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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