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Isorhamnetin‐3‐O‐Glucuronide Suppresses JNK and p38 Activation and Increases Heme‐Oxygenase‐1 in Lipopolysaccharide‐Challenged RAW264.7 Cells
Abstract
Preclinical Research Isorhanmetin (ISH) exhibits a wide range of biological properties including anticancer, anti‐oxidant and anti‐inflammatory activities. However, the pharmacological properties of isorhamnetin‐3‐O‐glucuronide (IG), a glycoside derivative of ISH, have not been extensively examined. The objective of this study was to examine the anti‐inflammatory properties of IG and its underlying mechanism in lipopolysaccharide (LPS)‐challenged RAW264.7 macrophage cells in comparison with its aglycone, ISH. IG suppressed LPS‐induced extracellular secretion of the proinflammatory mediators, nitric oxide (NO) and PGE 2, and proinflammatory protein expressions of inducible nitric oxide synthase (iNOS) and cyclooxygenase‐2. IG also increased expression of heme oxygenase‐1 (HO‐1). IG attenuated LPS‐induced activation of c‐Jun N‐terminal kinase (JNK) and p38 in a concentration‐dependent manner with negligible suppression of extracellular signal‐regulated kinases (ERK) phosphorylation. In conclusion, this study demonstrates that IG exerts anti‐inflammatory activity by increasing HO‐1 expression and by suppressing JNK and p38 signaling pathways in LPS‐challenged RAW264.7 macrophage cells. Drug Dev Res 77 : 143–151, 2016. © 2016 Wiley Periodicals, Inc.
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“Isorhamnetin-3-O-glucuronide, which showed anti-osteoclastogenic effects in our study, has previously demonstrated anti-inflammatory properties by inhibiting LPS-stimulated JNK and p38 activation in RAW264.7 macrophage cells [39].”
From Anti-Osteoporotic Potential of Water Extract of Anethum graveolens L. Seeds (2023) · cites this paper as [39]
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Cited by
Anti-Osteoporotic Potential of Water Extract of Anethum graveolens L. Seeds
Jang, S.-A., Lee, S.-J., Hwang, Y.-H., & Ha, H. (2023) · Nutrients · doi:10.3390/nu15194302 · Cited by 2
Metadata
- Authors
- Park, J., Kim, S., Lee, H. J., Kim, S., Kwon, Y., & Chun, W.
- Affiliations
- Department of Pharmacology College of Medicine, Kangwon National University Chuncheon 200‐701 Korea
- College of Pharmacy Kangwon National University Chuncheon 200‐701 Korea
- Venue
- Drug Development Research
- Publisher
- Wiley
- Published
- 2016-04-25
- Volume
- 77
- Issue
- 3
- Pages
- 143-151
- ISSN
- 0272-4391
- 1098-2299
- Cited by
- 22
- References
- 0
- Language
- en
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