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Dadun > Depósito Académico > CIMA (Centro de Investigación Médica Aplicada) > Área de Neurociencias > Neurofarmacología y conducta > DA - CIMA - Neurociencias - Neurofarmacología y conducta - Artículos de Revista >

Insulin levels are decreased in the cerebrospinal fluid of women with prodomal Alzheimer's disease
Authors: Gil-Bea, F. (Francisco J.)
Solas, M. (Maite)
Solomon, A. (Alina)
Mugueta, C. (Carmen)
Kivipelto, M. (Miia)
Ramirez, M.J. (María Javier)
Cedazo-Minguez, A. (Ángel)
Keywords: Alzheimer’s disease
Cerebrospinal fluid
Insulin
Mild cognitive impairment
Women
Issue Date: 2010
Publisher: Ios Press
Publisher version: http://iospress.metapress.com/content/055hq3659121l817/
ISSN: 1875-8908
Citation: Gil-Bea FJ, Solas M, Solomon A, Mugueta C, Winblad B, Kivipelto M, et al. Insulin levels are decreased in the cerebrospinal fluid of women with prodomal Alzheimer's disease. J Alzheimers Dis 2010;22(2):405-413.
Abstract
Previous studies have failed to reach consensus on insulin levels in cerebrospinal fluid of Alzheimer's disease (AD) patients and on its relation to pathological features. We performed a new analysis in patients at different stages of AD, and investigated the relationship of insulin levels with biochemical disease markers and with cognitive score. We included 99 patients from our Memory Clinic (Karolinska University Hospital, Sweden), including: 27 patients with mild AD, 13 that progressed from mild cognitive impairment (MCI) to AD in two years time, 26 with MCI stable after two years, and 33 with subjective cognitive impairment. Insulin was significantly decreased in the cerebrospinal fluid of both women and men with mild AD. Insulin deficits were seen in women belonging to both MCI groups, suggesting that this occurs earlier than in men. Insulin was positively associated with amyloid-β 1-42 (Aβ1-42) levels and cognitive score. Furthermore, total-tau/(Aβ1-42*insulin) ratio showed strikingly better sensitivity and specificity than the total-tau/Aβ1-42 ratio for early AD diagnosis in women.
Permanent link: http://hdl.handle.net/10171/20336
Appears in Collections:DA - Farmacia - Farmacología - Artículos de revista
DA - CIMA - Neurociencias - Neurofarmacología y conducta - Artículos de Revista

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