Relationship between Blood Levels of Heavy Metals and Parkinson's
Disease in China.
Fukushima T, Tan X, Luo Y, Kanda H.
Neuroepidemiology. 2009 Nov 5;34(1):18-24.
Department of Hygiene and Preventive Medicine,
Fukushima Medical University School of Medicine,
Fukushima City, Japan.

Background:
Idiopathic Parkinson's disease (PD) and the Parkinsonian syndrome
caused by manganese (Mn) poisoning are known to be indistinguishable
in terms of symptoms.
We thus suspect that many patients who have accumulated Mn in the
body
in daily life are diagnosed as having idiopathic PD.
We examined the relationship between PD and blood levels of heavy
metals,
and the influence of intake from food in a general population.
Methods:
The subjects comprised PD patients and sex- and age-matched controls
recruited from the outpatient clinic of Xiangfan No. 1 People's
Hospital in
Hubei, China, between 2006 and 2008.
Information was obtained on previous eating habits before diagnosis of
PD
and other factors.
Morning blood samples were collected before breakfast and were used
to
measure concentrations of metals.
Results:
The whole-blood Mn and serum iron (Fe) levels were significantly
higher in
PD patients than in controls.
However, no differences in intake of each metal from food or
experience of
Mn poisoning were seen between the groups.
Conclusions:
In China, accumulation of Mn and Fe via unknown routes might be
involved
in the etiology of PD in the general population.

Copyright © 2009 S. Karger AG, Basel.

PMID: 19893325
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