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Frontotemporal dementia (FTD) is a complex dementing syndrome whose genetic/non genetic risk factors are mostly unknown. Aim of the present work was to investigate whether APOE and/or tau gene variability does affect the risk of FTD. A sample of FTD cases (sporadic: n = 54; familial: n = 46, one subject per family) was collected in a genetically homogeneous population (Calabria, southern Italy) and analyzed in comparison with an age- and sex-matched control group (n = 180) extracted from the same population. Logistic regression analysis showed that APOE gene variability affects the probability of disease, with allele epsilon4 increasing (exp(beta1) = 2.68 with [1.51-4.76] 95% confidence interval; p = 0.001) and allele epsilon2 decreasing (exp(beta1) = 0.28 with [0.12-0.66] 95% confidence interval; p = 0.003) the risk of FTD. On the contrary, tau gene variability was ineffectual (exp(beta1) non significantly different from 1 for either H1 or H2 haplotypes), although a small effect was observed by the H1 haplotype in increasing the protective effect of the epsilon2 allele (p = 0.007).

The effects of APOE and tau gene variability on risk of frontotemporal dementia / Bernardi, L; Maletta, Rg; Tomaino, C; Smirne, N; Di Natale, M; Perri, M; Longo, T; Colao, R; Curcio, Sa; Puccio, G; Mirabelli, M; Kawarai, T; Rogaeva, E; St George Hyslop, Ph; Passarino, Giuseppe; De Benedictis, G; Bruni, A. C.. - In: NEUROBIOLOGY OF AGING. - ISSN 0197-4580. - 27(2006), pp. 702-709.

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