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Title: An ethyl-acetate fraction of Holothuria scabra modulates inflammation in vitro through inhibiting the production of nitric oxide and pro-inflammatory cytokines via NF-κB and JNK pathways
Authors: Kanta Pranweerapaiboon
Somjai Apisawetakan
Saksit Nobsathian
Arunporn Itharat
Prasert Sobhon
Kulathida Chaithirayanon
Faculty of Medicine, Thammasat University
Mahidol University
Burapha University
Srinakharinwirot University
Keywords: Immunology and Microbiology;Medicine;Pharmacology, Toxicology and Pharmaceutics
Issue Date: 1-Jan-2019
Citation: Inflammopharmacology. (2019)
Abstract: © 2019, Springer Nature Switzerland AG. Sea cucumber, Holothuria scabra, is an echinoderm marine animal that has long been used as a traditional therapeutic in various diseases due to its chemical composition and protein enrichment. Many researchers have extensively studied the efficacy of sea cucumber extracts for many health benefits in recent years. Inflammation is a complex process involved in pro-/anti-inflammatory cytokine products. However, the role of the H. scabra extracts in anti-inflammation and its molecular regulations has not been apparently elucidated yet. In this study, we investigated the anti-inflammatory effect of H. scabra extracts by using lipopolysaccharide (LPS) from E. coli to induce an inflammatory response in RAW264.7 macrophage. It was found that ethyl acetate fraction of H. scabra extracts (EAHS) inhibited pro-inflammatory cytokines synthesis at both the transcriptional and translational levels, notably nitric oxide (NO), inducible nitric oxide synthase (iNOS), interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), and prostaglandin E2 (PGE2). In addition, EAHS was able to downregulate IκB/NF-κB, and JNK expressions. These effects may be influenced by high contents of phenolic compound and triterpene glycosides in EAHS. Therefore, EAHS might have the potential to be developed as a natural anti-inflammatory agent.
ISSN: 15685608
Appears in Collections:Scopus 2019

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