Oxidative stress
Reactive oxygen species, glutathione depletion and antioxidant defence in the substantia nigra.
State of the art
No update yet for Oxidative stress. An update is a standalone state-of-the-art for the topic — what someone with Parkinson's needs to know about where this approach stands today.
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Exercise and smoking: health rivals revealing shared protective mechanisms in Parkinson’s?
Reduction of oxidative stress — the cellular damage caused by reactive oxygen species — is highlighted as a shared biological pathway through which both exercise and components of tobacco may exert neuroprotective effects in Parkinson's disease. -
Levodopa increases substantia nigra iron: implications for Parkinson's disease
Levodopa metabolism can generate reactive oxygen species; this paper suggests it may also raise iron that amplifies that oxidative burden in the substantia nigra, linking two toxicity pathways. -
Region-specific cortico-striatal transcriptomic remodeling following early postnatal dopaminergic disturbance
A gene co-expression module positively correlated with early dopaminergic disturbance (the "midnightblue" module) was enriched for oxidative phosphorylation, response to reactive oxygen species, and response to hydrogen peroxide, indicating that dopamine loss — even at a developmental stage — triggers an oxidative stress transcriptional program in corticostriatal circuits consistent with the ROS signature described in nigral degeneration in Parkinson's.