Technical Comments

Comment on “ApoE-Directed Therapeutics Rapidly Clear β-Amyloid and Reverse Deficits in AD Mouse Models”

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Science  24 May 2013:
Vol. 340, Issue 6135, pp. 924
DOI: 10.1126/science.1233937

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Cramer et al. (Reports, 23 March 2012, p. 1503; published online 9 February 2012) tested bexarotene as a potential β-amyloid–lowering drug for Alzheimer’s disease (AD). We were not able to reproduce the described effects in several animal models. Drug formulation appears very critical. Our data call for extreme caution when considering this compound for use in AD patients.

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