Abstract
RNA interference is a biological process that controls gene silencing in all living cells. Targeting the RNA interference system represents a novel therapeutic strategy able to intercede with multiple disease-related genes and to target many neurodegenerative diseases. Recently, the design of small interfering RNA-selective compounds has become more straightforward because of the significant progress made in predictive modeling for new therapeutic approaches. Although in vivo delivery of RNA interference remains a significant obstacle, new data show that RNAi blocks gene function in vivo, suggesting a potential therapeutic approach for humans. Some groups have demonstrated the efficacy of RNAi therapy in Alzheimers disease. Results, based on animal models, show a down-regulation of the amyloid precursor protein and a consequent reduction of the amyloid-β peptide accumulation in the brain or the inactivation of β-secretase (BACE1). Indeed, lentiviral vectors expressing siRNAs targeting BACE1 reduce amyloid production and the neurodegenerative and behavioural deficit in APP transgenic mice. This review highlights recent advances in RNA research and focuses on strengths and weaknesses of RNAi compounds in Alzheimers disease.
Keywords: amyloid plaque, APP cellular processing, glycogen synthase kinase 3, Neprilysin, Tau phosphorylation
Mini-Reviews in Medicinal Chemistry
Title: RNA Interference as a Tool for Alzheimers Disease Therapy
Volume: 7 Issue: 11
Author(s): Antonio Orlacchio, Giorgio Bernardi, Aldo Orlacchio and Sabata Martino
Affiliation:
Keywords: amyloid plaque, APP cellular processing, glycogen synthase kinase 3, Neprilysin, Tau phosphorylation
Abstract: RNA interference is a biological process that controls gene silencing in all living cells. Targeting the RNA interference system represents a novel therapeutic strategy able to intercede with multiple disease-related genes and to target many neurodegenerative diseases. Recently, the design of small interfering RNA-selective compounds has become more straightforward because of the significant progress made in predictive modeling for new therapeutic approaches. Although in vivo delivery of RNA interference remains a significant obstacle, new data show that RNAi blocks gene function in vivo, suggesting a potential therapeutic approach for humans. Some groups have demonstrated the efficacy of RNAi therapy in Alzheimers disease. Results, based on animal models, show a down-regulation of the amyloid precursor protein and a consequent reduction of the amyloid-β peptide accumulation in the brain or the inactivation of β-secretase (BACE1). Indeed, lentiviral vectors expressing siRNAs targeting BACE1 reduce amyloid production and the neurodegenerative and behavioural deficit in APP transgenic mice. This review highlights recent advances in RNA research and focuses on strengths and weaknesses of RNAi compounds in Alzheimers disease.
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Cite this article as:
Orlacchio Antonio, Bernardi Giorgio, Orlacchio Aldo and Martino Sabata, RNA Interference as a Tool for Alzheimers Disease Therapy, Mini-Reviews in Medicinal Chemistry 2007; 7 (11) . https://dx.doi.org/10.2174/138955707782331678
DOI https://dx.doi.org/10.2174/138955707782331678 |
Print ISSN 1389-5575 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5607 |
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