Neurotoxicity of Amyloid Beta and its Association with other Biomarkers in Pathogenesis of Alzheimer's Disease: A Narrative Review

Amyloid beta (A(3) deposition in the brain is regarded as an early toxic effect in the aetiopathogenesis of Alzheimer's Disease (AD). Currently, A(3 is considered a key marker for AD and a promising target for drug development for the future management of debilitating diseases such as AD. However, the pathomechanism of A(3 has not yet been precisely understood in terms of AD patients, specifically regarding the pathological forms of A(3 and how it associates with other biochemical markers to cause dementia. Identifying A(3 as a key hallmark, especially at the earliest stages of the disease, is essential for understanding the progression of AD and its applicability for the development of novel therapeutics aimed at managing cognitive impairment and AD. This review aims to explain the neurotoxicity of A(3 and its correlation with various other biological markers that contribute to the induction of AD and memory deterioration.