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the claim

Cell death in the substantia nigra in Parkinson's disease is associated with an increase in iron content and a decrease in the level of the iron-binding protein ferritin.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that cell death in the substantia nigra in Parkinson's disease is associated with an increase in iron content and a decrease in the level of the iron-binding protein ferritin?

Yes. Cell death of dopaminergic neurons in the substantia nigra in Parkinson's disease is widely supported to be linked with localized iron accumulation and alterations in iron-binding proteins like ferritin.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

The analysis

Multiple papers confirm that iron accumulation in the substantia nigra is a central feature of Parkinson's disease pathophysiology, often accompanied by iron mishandling and changes in storage proteins like ferritin.

Evidence for · 2
Actual Data on Essential Trace Elements in Parkinson's Disease.
2025
This systematic review highlights consistent patterns of iron accumulation in the substantia nigra in Parkinson's disease.
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C, P., C, M., A, S., I, A., R, B., R, P., A, S., S, G., AI, V., SM, A., NL, P., V, C., & G, O. (2025). Actual Data on Essential Trace Elements in Parkinson's Disease.. doi.org. https://doi.org/10.3390/nu17111852

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More for · 1
Reimagining the contribution of iron in Parkinson's disease.
2026
This article discusses how early iron dysregulation and diminished ferritin buffering contribute to the vulnerability and degeneration of the nigrostriatal system.
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RO, S., E, T., & JR, C. (2026). Reimagining the contribution of iron in Parkinson's disease.. doi.org. https://doi.org/10.1016/j.nbd.2026.107434

What does the evidence say?

Multiple papers confirm that iron accumulation in the substantia nigra is a central feature of Parkinson's disease pathophysiology, often accompanied by iron mishandling and changes in storage proteins like ferritin.

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