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Information Journal Paper

Title

Gambogic acid inhibits LPS-induced macrophage pro-inflammatory cytokine production mainly through suppression of the p38 pathway

Pages

  717-723

Abstract

 Objective(s): In traditional Chinese medicine, gamboge can detoxify bodies, kill parasites, and act as a hemostatic agent. Recent studies have demonstrated that Gambogic acid (GBA) suppressed inflammation in arthritis, and also presented antitumor effect. Thus, this study investigated the new biological properties of GBA on macrophages. Materials and Methods: RAW 264. 7 cells were pretreated with GBA at different concentrations (10, 20, 40, 80, 160, 320 nM) for 24 hrs, and then cell viability was measured using Cell Counting Kit (CCK)-8 assays. Pro-inflammatory cytokines such as TNF-α , IL-6 and IL-1β were determined using ELISA kits and qPCR. Then nitrite concentration was calculated according to a standard curve. At last, the effect of GBA on MAPK and NF-κ B signaling pathways was assessed by western blot and luciferase reporter gene assay. Results: GBA (IC50: 260 nM) suppressed the TNF-α , IL-6 and IL-1β expression induced by lipopolysaccharide (LPS) in RAW 264. 7 cells. The expression of TNF-α , IL-6 and IL-1β decreased to 30-50% and 70-75% in the high-dose (160 nM) and low-dose (40 and 80 nM) GBA groups, respectively. Furthermore, the nitric oxide (NO) production and the activation of NF-κ B, ERK, and JNK pathways were significantly reduced in high-dose (160 nM) GBA only, while p38 pathway was inhibited at both low (40 and 80 nM) and high (160 nM) concentration of GBA. Conclusion: These data suggested that GBA inhibited LPS-induced production of pro-inflammatory cytokines including TNF-α , IL-6 and IL-1β mainly through the suppression of the p38 pathway.

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    APA: Copy

    Ma, Jianjun, Huang, Kangmao, MA, YAN, Chen, Shuai, LIU, CHAO, Shan, Zhi, & Fang, Xiangqian. (2018). Gambogic acid inhibits LPS-induced macrophage pro-inflammatory cytokine production mainly through suppression of the p38 pathway. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 21(7), 717-723. SID. https://sid.ir/paper/726701/en

    Vancouver: Copy

    Ma Jianjun, Huang Kangmao, MA YAN, Chen Shuai, LIU CHAO, Shan Zhi, Fang Xiangqian. Gambogic acid inhibits LPS-induced macrophage pro-inflammatory cytokine production mainly through suppression of the p38 pathway. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2018;21(7):717-723. Available from: https://sid.ir/paper/726701/en

    IEEE: Copy

    Jianjun Ma, Kangmao Huang, YAN MA, Shuai Chen, CHAO LIU, Zhi Shan, and Xiangqian Fang, “Gambogic acid inhibits LPS-induced macrophage pro-inflammatory cytokine production mainly through suppression of the p38 pathway,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 21, no. 7, pp. 717–723, 2018, [Online]. Available: https://sid.ir/paper/726701/en

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