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Alzheimer's Disease (AD), often called the 'Plague of the 21st Century,' is a progressive, irreversible neurodegenerative disorder that leads to the degeneration and death of neurons. Multiple factors, such as genetic defects, epigenetic regulations, environmental factors, or cerebrovascular damage, are a manifestation of the neurodegenerative process that begins to occur decades before the onset of disease. To date, no treatment or therapeutic strategy has proven to be potent in inhibiting its progress or reversing the effects of the disease. The ever-increasing numbers and lack of sufficient therapies that can control or reverse the effects of the disease have propelled research in the direction of devising efficient therapeutic strategies for AD. This review comprehensively discusses the active and passive immunotherapies against Amyloid-β and Tau protein, which remain the popular choice of targets for AD therapeutics. Some of the prospective immunotherapies against Aβ plaques have failed due to various reasons. Much of the research is focused on targeting Tau, specifically, targeting the mid-region of extracellular Tau due to their potential to prevent seeding and hence the spread of neurofibrillary tangles (NFTs). Thus, there is a need to thoroughly understand the disease onset mechanisms and discover effective therapeutic strategies.
4-1BB and the Epigenetic Regulations of This Molecule
