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Article

Scandoside Exerts Anti-Inflammatory Effect Via Suppressing NF-κB and MAPK Signaling Pathways in LPS-Induced RAW 264.7 Macrophages

1
Bioengineering Research Centre, Guangzhou Institute of Advanced Technology, Chinese Academy of Sciences, Guangzhou 511458, China
2
Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
3
School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2018, 19(2), 457; https://doi.org/10.3390/ijms19020457
Received: 7 January 2018 / Revised: 29 January 2018 / Accepted: 31 January 2018 / Published: 3 February 2018
The iridoids of Hedyotis diffusa Willd play an important role in the anti-inflammatory process, but the specific iridoid with anti-inflammatory effect and its mechanism has not be thoroughly studied. An iridoid compound named scandoside (SCA) was isolated from H. diffusa and its anti-inflammatory effect was investigated in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages. Its anti-inflammatory mechanism was confirmed by in intro experiments and molecular docking analyses. As results, SCA significantly decreased the productions of nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) and inhibited the levels of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), TNF-α and IL-6 messenger RNA (mRNA) expression in LPS-induced RAW 264.7 macrophages. SCA treatment suppressed the phosphorylation of inhibitor of nuclear transcription factor kappa-B alpaha (IκB-α), p38, extracellular signal-regulated kinase (ERK) and c-Jun N-terminal kinase (JNK). The docking data suggested that SCA had great binding abilities to COX-2, iNOS and IκB. Taken together, the results indicated that the anti-inflammatory effect of SCA is due to inhibition of pro-inflammatory cytokines and mediators via suppressing the nuclear transcription factor kappa-B (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathways, which provided useful information for its application and development. View Full-Text
Keywords: scandoside; nuclear transcription factor kappa-B alpaha; mitogen-activated protein kinase; anti-inflammation scandoside; nuclear transcription factor kappa-B alpaha; mitogen-activated protein kinase; anti-inflammation
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MDPI and ACS Style

He, J.; Li, J.; Liu, H.; Yang, Z.; Zhou, F.; Wei, T.; Dong, Y.; Xue, H.; Tang, L.; Liu, M. Scandoside Exerts Anti-Inflammatory Effect Via Suppressing NF-κB and MAPK Signaling Pathways in LPS-Induced RAW 264.7 Macrophages. Int. J. Mol. Sci. 2018, 19, 457. https://doi.org/10.3390/ijms19020457

AMA Style

He J, Li J, Liu H, Yang Z, Zhou F, Wei T, Dong Y, Xue H, Tang L, Liu M. Scandoside Exerts Anti-Inflammatory Effect Via Suppressing NF-κB and MAPK Signaling Pathways in LPS-Induced RAW 264.7 Macrophages. International Journal of Molecular Sciences. 2018; 19(2):457. https://doi.org/10.3390/ijms19020457

Chicago/Turabian Style

He, Jingyu, Jiafeng Li, Han Liu, Zichao Yang, Fenghua Zhou, Ting Wei, Yaqian Dong, Hongjiao Xue, Lan Tang, and Menghua Liu. 2018. "Scandoside Exerts Anti-Inflammatory Effect Via Suppressing NF-κB and MAPK Signaling Pathways in LPS-Induced RAW 264.7 Macrophages" International Journal of Molecular Sciences 19, no. 2: 457. https://doi.org/10.3390/ijms19020457

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