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Serum levels of S100B and NSE proteins in Alzheimer’s disease patients

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Serum levels of S100B and NSE proteins in Alzheimer’s disease patients

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Título Serum levels of S100B and NSE proteins in Alzheimer’s disease patients
Autor Chaves, Marcia Lorena Fagundes
Pádua, Analuiza Camozzato de
Ferreira, Eduardo Daura
Piazenski, Isabel
Kochhann, Renata
Dall'Igna, Oscar Phelippe Permigotti
Mazzini, Guilherme da Silva
Souza, Diogo Onofre Gomes de
Portela, Luis Valmor Cruz
Abstract Background: Alzheimer’s disease is the most common dementia in the elderly, and the potential of peripheral biochemical markers as complementary tools in the neuropsychiatric evaluation of these patients has claimed further attention. Methods: We evaluated serum levels of S100B and neuron-specific enolase (NSE) in 54 mild, moderate and severe Alzheimer’s disease (AD) patients and in 66 community-dwelling elderly. AD patients met the probable NINCDSADRDA criteria. Severity of dementia was ascertained by the Clinical Dementia Rating (CDR) scale, cognitive function by the Mini Mental State Examination (MMSE), and neuroimage findings with magnetic resonance imaging. Serum was obtained from all individuals and frozen at -70°C until analysis. Results: By comparing both groups, serum S100B levels were lower in AD group, while serum NSE levels were the same both groups. In AD patients, S100B levels were positively correlated with CDR scores (rho = 0.269; p = 0.049) and negatively correlated with MMSE scores (rho = -0.33; P = 0.048). NSE levels decreased in AD patients with higher levels of brain atrophy. Conclusions: The findings suggest that serum levels of S100B may be a marker for brain functional condition and serum NSE levels may be a marker for morphological status in AD.
Contido em Journal of neuroinflammation. London. Vol. 7, (Jan. 2010), 7 p.
Assunto Doença de Alzheimer
Fosfopiruvato hidratase
Proteínas S100
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/24135
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