Amyloid-Beta Immunization in Alzheimer's Disease Transgenic Mouse Models and Wildtype Mice |
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Authors: | Lemere Cynthia A Spooner Edward T Leverone Jodi F Mori Chica Iglesias Melitza Bloom Jeanne K Seabrook Timothy J |
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Institution: | (1) Department of Neurology, Center for Neurologic Diseases, Brigham & Women's Hospital and Harvard Medical School, Boston, Massachusetts, 02115 |
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Abstract: | Alzheimer's disease is the most prevalent form of dementia worldwide. Therapies are desperately needed to prevent and cure the disease. Mouse models of amyloid- deposition APP and PSAPP transgenic (tg) mice] have been useful in determining the role of amyloid- (A) in both the pathogenesis and cognitive changes in AD. In addition, they have allowed scientists to investigate potential AD therapies in living animals. Active and passive A immunizations have been employed successfully in APP and PSAPP tg mice to lower cerebral A levels and improve cognition. Optimization of immunization protocols and characterization of immune responses in wildtype mice have been reported. Based on the promising results of A immunization studies in mice, a clinical trial was initiated for A vaccination in humans with AD. Although no adverse effects were reported in the Phase I safety trials, about 5% of AD patients in the phase II clinical trial developed meningoencephalitis, ending the trial prematurely in March 2002. Studies in AD mouse models and wildtype mice may help elucidate the mechanism for these unwanted side effects and will be useful for testing newer, safer vaccines for future use in human clinical trials. |
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Keywords: | A" target="_blank">gif" alt="beta" align="MIDDLE" BORDER="0"> vaccine APP PSAPP transgenic antibodies adjuvants intranasal |
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