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. 2022 Jan-Dec:41:9603271221128738.
doi: 10.1177/09603271221128738.

Curcumin treatment attenuates cisplatin-induced gastric mucosal inflammation and apoptosis through the NF- κ B and MAPKs signaling pathway

Jinping Gao  1 , Yunen Liu  2 , Juan Chen  1 , Changci Tong  2 , Qian Wang  3 , Ying Piao  1
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Free article

Curcumin treatment attenuates cisplatin-induced gastric mucosal inflammation and apoptosis through the NF- κ B and MAPKs signaling pathway

Jinping Gao et al. Hum Exp Toxicol. 2022 Jan-Dec.
Free article

Abstract

To investigate the protective effects of curcumin (Cur) on gastric mucosal injury induced by cisplatin (DDP), and explore possible molecular mechanisms. A mouse of gastric mucosal injury was established by intraperitoneal injection of DDP (27 mg/kg). Thirty mice were randomly divided into control group, DDP group and DDP + Cur group. Serum and gastric mucosal samples were collected on the 7th day after Cur treatment. The index of gastric mucosa injury was calculated, and the expression levels of inflammation, apoptosis and signaling pathway proteins were evaluated using hematoxylin and eosin staining, ELISA and western blotting analysis. These data showed that Cur treatment significantly attenuated DDP-induced decrease in body weight, food intake, fat and muscle ratios, and improved the gross gastric injury, scores of ulcer index, and histopathology changes triggered by DDP (p < .05). Meanwhile, Cur significantly decreased serum IL-23 and IL-17 proteins, reduced the expression levels of gastric mucosal IL-1β, TNF- α and MPO, and restored the level of IL-10 protein (p < .05). Moreover, Cur treatment significantly inhibited the expression levels of Caspase-3, PARP and Bax, and increased the expression of Bcl-2 protein. Furthermore, Cur treatment significantly decreased the expression levels of IL-1R, MyD88 and TAK1, and also repressed the activation of NF-κB and nuclear translocation of NF-κB p65. And more importantly, Cur treatment significantly inhibited DDP-induced gastric mucosal JNK1/2, ASK1, P38 and JUN phosphorylation, and promoted the phosphorylation of ERK1/2 and C-Myc proteins. Our data suggest that Cur treatment alleviates DDP-induced gastric mucosal inflammation and apoptosis, which may be mediated through the NF- κ B and MAPKs signaling pathway.

Keywords: Curcumin; MAPKs; NF-κ B; apoptosis; cisplatin; gastric mucosal injury; inflammation.

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