Exploring Neuroprotection against Radiation-Induced Brain Injury: A Review of Key Compounds.

NeuroSci

Faculty of Medicine, Universidad de Chile, Santiago 8330111, Chile; (G.F.); (V.P.-G.); (C.R.-S.).

Published: December 2024

AI Article Synopsis

  • Brain radiation helps control tumors in the brain but can cause cognitive impairments due to indirect damage from free radicals.
  • This damage leads to long-term cognitive issues, known as late neurotoxicity, which is a direct result of radiation therapy.
  • The review discusses how certain drugs and antioxidants, like ascorbate, may protect against these side effects, with existing research suggesting these methods are effective and cost-efficient.

Article Abstract

Brain radiation is a crucial tool in neuro-oncology for enhancing local tumor control, but it can lead to mild-to-profound and progressive impairments in cognitive function. Radiation-induced brain injury is a significant adverse effect of radiotherapy for cranioencephalic tumors, primarily caused by indirect cellular damage through the formation of free radicals. This results in late neurotoxicity manifesting as cognitive impairment due to free radical production. The aim of this review is to highlight the role of different substances, such as drugs used in the clinical setting and antioxidants such as ascorbate, in reducing the neurotoxicity associated with radiation-induced brain injury. Currently, there is mainly preclinical and clinical evidence supporting the benefit of these interventions, representing a cost-effective and straightforward neuroprotective strategy.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11503407PMC
http://dx.doi.org/10.3390/neurosci5040034DOI Listing

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