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The Frequency of the C9orf72 Expansion in a Brazilian Population

In this study, we investigated the presence of the G4C2 repeat expansion in 463 Brazilian probands, of whom 404 had ALS/motor neuron disease (ALS/MND) and 67 FTD, and in 63 healthy controls in the southeastern region of Brazil. The highest frequencies of the C9orf72 mutation were in the ALS-FTD group (50% of familial and 17.6% of sporadic cases), although it was also present in 5% of pure ALS/MND patients (11.8% of familial and 3.6% of sporadic cases) and in 7.1% of pure familial FTD.
Source: Neurobiology of Aging - Category: Neuroscience Authors: Tags: Brief communication Source Type: research

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