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Protective effects of curcumin against traumatic brain injury

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journal contribution
posted on 2022-11-14, 09:53 authored by Danial Khayatan, Seyed Mehrad Razavi, Zahra Najafi Arab, Amir Hossein Niknejad, Kiana Nouri, Saeideh Momtaz, Eric Gumpricht, Tannaz Jamialahmadi, Amir Hossein Abdolghaffari, GEORGE BARRETOGEORGE BARRETO, Amirhossein Sahebkar

Neuroinflammation is a key pathophysiological mechanism implicated in the neurodegenerative condition. One  such condition implicating neuroinflammation is traumatic brain injury (TBI). Over the past decades, various  alternative natural compounds, such as curcumin, have been investigated as novel therapeutic options to miti?gate the pathophysiological pathways and clinical sequelae involved in TBI. As the main component of turmeric  (Curcuma longa), curcumin has a broad range of clinical properties due to its considerable antioxidative and anti?inflammatory actions. This review discusses the pleiotropic mechanisms, the side effects, curcumin’s delivery to  the central nervous system (CNS), and its immunomodulatory and protective effects on TBI. Clinical trials, in  vivo, and in vitro studies were extracted from different scientific databases, including PubMed, Scopus, and  Google Scholar, to assess the effects of curcumin or its derivatives in TBI. Findings reveal that curcumin exhibited  some protective effects on TBI via modulation of cell signaling pathways including toll-like receptor-4 (TLR-4),  nuclear factor kappa B (NF-κB), and Nod-like receptor family proteins (NLRPs). Moreover, curcumin upregulates  the brain-derived Neurotrophic Factor/Tropomyosin receptor kinase B (BDNF/TrkB) signaling pathway,  phosphatidylinositol-3-kinase/protein kinase B (PI3K/AKT), nuclear factor erythroid 2-related factor 2 (Nrf2),  which have crucial functions in modulation of TBI pathophysiological-mediated pathways. Curcumin displays  beneficial immunomodulatory functions and protective capacities in different TBI models, although more clinical  experiments are required to clarify curcumin’s precise mechanisms and function in TBI.  



Biomedicine & Pharmacotherapy 154,113621



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