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Exploring the Pathogenesis of Alzheimers Disease and Revolutionary Treatment Strategy Based on Nanotechnology
Vol 38, Issue 9, 2024
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Abstract
Alzheimers disease (AD), a catastrophic disorder that commonly affects the elderly, causes extracellular plaques to form in the hippocampus, leading to slow, progressive loss of brain function. The Blood Brain Barrier poses a significant challenge for conventional drug delivery in AD therapeutics. Therefore, introducing novel strategies such as nanotechnology-based drug delivery offers promising potential. This paper highlights the significance of nanotechnology based drug delivery in AD with respect to its pathophysiology and discusses the current situation and future prospects of the same in diagnosis and therapy. Data collection involved scientific databases such as PubMed, Science Direct, and Google Scholar. The keywords searched were AD, neurodegenerative, nanotechnology, Amyloid-beta protein, tau protein and patents. A total of 146 papers were obtained. The pathophysiology of AD with respect to the Amyloid- and tau hypotheses were found to have significant therapeutic potential. It was also found that nanotechnology systems were able to offer enhanced site-specific action, offering a low toxicity profile in areas where conventional drug delivery systems had difficulty to act on. Delivery systems that were found to have potential were nanoparticles (NPs) including inorganic NPs and magnetic NPs, Quantum Dots, liposomes, dendrimers, Micelles, etc. Thus, our work suggests that NP-based drug delivery systems are able to overcome the challenges faced by conventional systems to achieve therapeutic efficacy with substantial levels of evidence, initiating the much-needed discussions on their potential use in AD therapeutics.
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Copyright (c) 2024 Alida Johnson, Sakina Ruhi, Ayesha Syed, Aswin Damodaran, Husni Ahmed Al-Goshae, Angel Babu Kannappanthara, Sahar Husain Khan, Sreeja Chandrasekharan Nair, Ethiraj Susithra, Ram Kumar Sahu, Jiyauddin Khan
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Medical Genetics, University of Torino Medical School, Italy

Department of Biomedical, Surgical and Dental Sciences, University of Milan, Italy