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Sci. Aging Knowl. Environ., 20 July 2005
Vol. 2005, Issue 29, p. or9

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Tau Suppression in a Neurodegenerative Mouse Model Improves Memory Function

K. SantaCruz, J. Lewis, T. Spires, J. Paulson, L. Kotilinek, M. Ingelsson, A. Guimaraes, M. DeTure, M. Ramsden, E. McGowan, C. Forster, M. Yue, J. Orne, C. Janus, A. Mariash, M. Kuskowski, B. Hyman, M. Hutton, and K. H. Ashe

http://sageke.sciencemag.org/cgi/content/abstract/2005/29/or9

Abstract: Science 309, 476-481 (2005).

Neurofibrillary tangles (NFTs) are the most common intraneuronal inclusion in the brains of patients with neurodegenerative diseases and have been implicated in mediating neuronal death and cognitive deficits. Here, we found that mice expressing a repressible human tau variant developed progressive age-related NFTs, neuronal loss, and behavioral impairments. After the suppression of transgenic tau, memory function recovered and neuron numbers stabilized, but to our surprise, NFTs continued to accumulate. Thus, NFTs are not sufficient to cause cognitive decline or neuronal death in this model of tauopathy.

[Abstract/Full Text]

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Science of Aging Knowledge Environment. ISSN 1539-6150