Parkinson hastalığı, Alzheimer hastalığı ve Portekizli bir kohortta hafif bilişsel bozukluk ile HFE ortak mutasyonları Derneği.

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BackgroundPathological brain iron deposition has been implicated as a source of neurotoxic reactive oxygen species in Alzheimer (AD) and Parkinson diseases (PD). Iron metabolism is associated with the gene hemochromatosis (HFE Human genome nomenclature committee ID:4886), and mutations in HFE are a cause of the iron mismetabolism disease, hemochromatosis. Several reports have tested the association of HFE variants with neurodegenerative diseases, such as AD and PD with conflicting results.MethodsGenotypes were analysed for the two most common variants of HFE in a series of 130 AD, 55 Mild Cognitive Impairment (MCI) and 132 PD patients. Additionally, a series of 115 healthy age-matched controls was also screened.ResultsA statistically significant association was found in the PD group when compared to controls, showing that the presence of the C282Y variant allele may confer higher risk for developing the disease.ConclusionTaken together these results suggest that the common variants in HFE may be a risk factor for PD, but not for AD in the Portuguese population.

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