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Traversing through the cell signaling pathways of neuroprotection by betanin: therapeutic relevance to Alzheimer’s Disease and Parkinson’s Disease

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Abstract

Modulation of cell signaling pathways is the key area of research towards the treatment of neurodegenerative disorders. Altered Nrf2-Keap1-ARE (Nuclear factor erythroid-2-related factor 2-Kelch-like ECH-associated protein 1-Antioxidant responsive element) and SIRT1 (Sirtuin 1) cell signaling pathways are considered to play major role in the etiology and pathogenesis of Alzheimer’s disease (AD) and Parkinson’s disease (PD). Strikingly, betanin, a betanidin 5-O-β-D-glucoside compound is reported to show commendable anti-oxidative, anti-inflammatory and anti-apoptotic effects in several disease studies including AD and PD. The present review discusses the pre-clinical studies demonstrating the neuroprotective effects of betanin by virtue of its potential to ameliorate oxidative stress, neuroinflammation, abnormal protein aggregation and cell death. It highlights the direct linkage between the neuroprotective abilities of betanin and upregulation of the Nrf2-Keap1-ARE and SIRT1 signaling pathways. The review further hypothesizes the involvement of the betanin-Nrf2-ARE route in the inhibition of beta-amyloid aggregation through beta-site amyloid precursor protein cleaving enzyme 1 (BACE1), one of the pivotal hallmarks of AD. The present review hereby for the first time elaborately discusses the reported neuroprotective abilities of betanin and decodes the Nrf2 and SIRT1 modulating potential of betanin as a primary mechanism of action behind, hence highlighting it as a novel drug candidate for the treatment of neurodegenerative diseases in the near future.

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The idea of the review was conceived by BanashreeChetiaPhukan, Rubina Roy, and Anupom Borah. Literature search, original manuscript preparation, and core concept and novel hypothesis presentation was performed by BanashreeChetiaPhukan and RubinaRoy. Figures were prepared by Rubina Roy. The manuscript was reviewed and edited by Rajib Paul, MuhammedKhairujjamanMazumder, JoyobratoNath, Pallab Bhattacharya, and Anupom Borah. All authors read and approved the final manuscript.

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Correspondence to Anupom Borah.

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Phukan, B.C., Roy, R., Paul, R. et al. Traversing through the cell signaling pathways of neuroprotection by betanin: therapeutic relevance to Alzheimer’s Disease and Parkinson’s Disease. Metab Brain Dis 38, 805–817 (2023). https://doi.org/10.1007/s11011-023-01177-8

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  • DOI: https://doi.org/10.1007/s11011-023-01177-8

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