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. 1996 Apr 1;383(3):219-22.
doi: 10.1016/0014-5793(96)00250-5.

Immunohistochemical analysis of presenilin-1 expression in the mouse brain

S Moussaoui  1 , C Czech, L Pradier, V Blanchard, B Bonici, M Gohin, A Imperato, F Revah
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Free article

Immunohistochemical analysis of presenilin-1 expression in the mouse brain

S Moussaoui et al. FEBS Lett. .
Free article

Abstract

At least 22 different mutations associated with early-onset familial Alzheimer's disease (AD) in various kindreds have been reported to occur in a recently identified gene on chromosome 14, presenilin 1 (PS-1) (Sherrington et al. (1995) Nature 375, 754-760 [1] and reviewed by Van Broeckhoven (1995) Nat. Genet. 11, 230-231 [2]). In order to study the localization of PS-1 in the brain, we raised a polyclonal antiserum specific to a fragment of the predicted protein sequence of PS-1. PS-1 immunostaining was found intracellularly, in the perikaria of discrete cells, mostly neurons, appearing as thick granules, resembling large-size vesicles. These granules were located in the periphery of cell bodies and extended into dendrites and neurites. PS-1 expression was found to be broadly distributed throughout the mouse brain, not only in structures involved in AD pathology, but also in structures unaltered by this disease.

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