Journal
MEDICINAL RESEARCH REVIEWS
Volume 33, Issue 1, Pages 139-189Publisher
WILEY
DOI: 10.1002/med.20248
Keywords
Alzheimer's disease; multitarget drugs; dual AChE inhibitors; AChE peripheral anionic site; multiactive compounds; Ca2+ dyshomeostasis; 1,4-dihydropyridines; voltage-dependent calcium channels; amyloid-ss antiaggregating agents; antioxidant drugs; anti-inflammatory drugs; NSAIDs; neuroprotection; Ca2+ overload; oxidative stress; metal chelators; BACE-1 inhibitors; GSK-3 ss inhibitors; ERK2-inhibitors; CDK5 inhibitors; CK-1 inhibitors
Categories
Funding
- Fundacion CIEN [PI 016/09]
- Agencia Lain Entralgo [NDG07/9]
- MICINN [SAF2006-08764-C02-01, SAF2009-07271, RD06/0026/1002]
- CSIC-GRICES [2007PT-13]
- ISCIII [RD06/0026/1002]
- Comunidad de Madrid [S/SAL-0275-2006]
- Ministerio de educacion y ciencia of the Spanish government
- Marie Curie Foundation
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With 27 million cases worldwide documented in 2006, Alzheimer's disease (AD) constitutes an overwhelming health, social, economic, and political problem to nations. Unless a new medicine capable to delay disease progression is found, the number of cases will reach 107 million in 2050. So far, the therapeutic paradigm one-compound-one-target has failed. This could be due to the multiple pathogenic mechanisms involved in AD including amyloid beta (A beta) aggregation to form plaques, t hyperphosphorylation to disrupt microtubule to form neurofibrillary tangles, calcium imbalance, enhanced oxidative stress, impaired mitochondrial function, apoptotic neuronal death, and deterioration of synaptic transmission, particularly at cholinergic neurons. Approximately 100 compounds are presently been investigated directed to single targets, namely inhibitors of beta and ? secretase, vaccines or antibodies that clear A beta, metal chelators to inhibit A beta aggregation, blockers of glycogen synthase kinase 3 beta, enhancers of mitochondrial function, antioxidants, modulators of calcium-permeable channels such as voltage-dependent calcium channels, N-methyl-D-aspartate receptors for glutamate, or enhancers of cholinergic neurotransmission such as inhibitors of acetylcholinesterase or butyrylcholinesterase. In view of this complex pathogenic mechanisms, and the successful treatment of chronic diseases such as HIV or cancer, with multiple drugs having complementary mechanisms of action, the concern is growing that AD could better be treated with a single compound targeting two or more of the pathogenic mechanisms leading to neuronal death. This review summarizes the current therapeutic strategies based on the paradigm one-compound-various targets to treat AD. A treatment that delays disease onset and/or progression by 5 years could halve the number of people requiring institutionalization and/or dying from AD. (C) 2011 Wiley Periodicals, Inc. Med Res Rev., 33, No. 1, 139-189, 2013
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