期刊
PHARMACEUTICS
卷 14, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/pharmaceutics14112277
关键词
sepsis; mTOR; curcumin
资金
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [07/58843-2]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES/Brazil) [88882.378587/2019-01]
Curcumin showed cardioprotective effects in septic mice by reducing the expression of mTOR pathway-related genes, potentially achieved through modulation of the mTOR pathway.
mTOR is a signaling pathway involved in cell survival, cell stress response, and protein synthesis that may be a key point in sepsis-induced cardiac dysfunction. Curcumin has been reported in vitro as an mTOR inhibitor compound; however, there are no studies demonstrating this effect in experimental sepsis. Thus, this study aimed to evaluate the action of curcumin on the mTOR pathway in the heart of septic mice. Free curcumin (FC) and nanocurcumin (NC) were used, and samples were obtained at 24 and 120 h after sepsis. Histopathological and ultrastructural analysis showed that treatments with FC and NC reduced cardiac lesions caused by sepsis. Our main results demonstrated that curcumin reduced mTORC1 and Raptor mRNA at 24 and 120 h compared with the septic group; in contrast, mTORC2 mRNA increased at 24 h. Additionally, the total mTOR mRNA expression was reduced at 24 h compared with the septic group. Our results indicate that treatment with curcumin and nanocurcumin promoted a cardioprotective response that could be related to the modulation of the mTOR pathway.
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