Abstract
One of the most prevalent causes of dementia, Alzheimer's disease (AD) is characterized by gradual mental decline and memory loss over time. Several drugs are currently available for the treatment of AD, but they only address the disease's symptoms rather than its underlying pathogenesis. Researchers looked into epigenetic therapy and found that histone deacetylase 6 (HDAC6) could be an effective treatment for Alzheimer's disease. This paper uses a literature review approach to investigate the roles of HDAC6 inhibition in AD models and HDAC6 inhibitors, as well as the hypotheses surrounding the pathogenesis of AD. The amyloid cascade hypothesis, the tau hypothesis, and the role of oxygen species are identified as the most prominent pathogenesis hypotheses in this paper. A decrease in Hdac6 levels improves associative and spatial memory in an Alzheimer's disease mouse model and reverses the mitochondrial trafficking impairment in hippocampal neurons in vitro and in vivo. Therefore, inhibiting HDAC6 may represent a novel approach to treating AD-related cognitive decline. As a result of these issues, the FDA has yet to approve any HDAC6 inhibitor for use in the treatment of Alzheimer's disease (FDA)
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