Abstract
The maintenance of health requires successful cell functioning, which in turn depends upon the proper and active conformation of proteins besides other biomolecules. However, occasionally these proteins may misfold and lead to the appearance and progression of protein conformational diseases. These diseases apart from others include several neurodegenerative disorders (NDDs) such as Alzheimer's disease, Parkinson disease, Huntington’s disease, multiple sclerosis, amyotrophic lateral sclerosis, and other lesser known diseases. Although much knowledge has been gained, these NDDs still warrant advance research in the elucidation of their mechanisms as well as effective therapeutic interventions and proper management. There is an ever-growing and urgent need to improve the diagnosis and management of NDDs due to their devastating nature, serious social impact and neuropsychiatric symptoms. It is also envisioned that we may be able to encourage, develop, and strengthen the cell defenses against amyloid toxicity and prevent neuronal destruction and consequently neurodegeneration. In this review, the implications of protein misfolding and aggregation in NDDs are discussed along with some of the most recent findings on the curative and beneficial effects of natural molecules such as polyphenols. This paper also reviews the anti-aggregation and protective effects of some organic and peptidic compounds duly supported experimentally, as prospective future therapeutics for NDDs. The synopses presented in this review shall prove helpful in further understanding of the causes, cures and management of lethal NDDs.
Keywords: Aggregation, Alzheimer's disease, Amyotrophic lateral sclerosis, Conformational disease, Neurodegenerative disorders, Neuropsychiatry, Parkinson's disease.
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