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Article Publish Status: FREE
Abstract Title:

Gastroprotective effects of the nonsaponin fraction of Korean Red Ginseng through cyclooxygenase-1 upregulation.

Abstract Source:

J Ginseng Res. 2020 Jul ;44(4):655-663. Epub 2019 Nov 15. PMID: 32617046

Abstract Author(s):

Jeong-Oog Lee, Ji Hye Kim, Sunggyu Kim, Mi-Yeon Kim, Yo Han Hong, Han Gyung Kim, Jae Youl Cho

Article Affiliation:

Jeong-Oog Lee

Abstract:

Background: Korean Red Ginseng is known to exhibit immune-enhancing and anti-inflammatory properties. The immune-enhancing effects of the nonsaponin fraction (NSF) of Korean Red Ginseng have been studied in many reports. However, the gastroprotective effect of this fraction is not fully understood. In this study, we demonstrate the activities of NSF for gastrointestinal protection and its related critical factor.

Methods: Theandregulatory functions of NSF on cyclooxygenase-1 (COX-1) messenger RNA and protein levels were examined by reverse transcription polymerase chain reaction and immunoblotting analyses. Gastroprotective effects of NSF were investigated by histological score, gastric juice pH, and myeloperoxidase activity on indomethacin-induced, cold stress-induced, and acetylsalicylic acid-induced gastritis and dextran sulfate sodium-induced colitis inmouse models.

Results: NSF did not show cytotoxicity, and it increased COX-1 messenger RNA expression and protein levels in RAW264.7 cells. This upregulation was also observed in colitis and gastritismodels. In addition, NSF treatment in mice ameliorated the symptoms of gastrointestinal inflammation, including histological score, colon length, gastric juice pH, gastric wall thickness, and myeloperoxidase activity.

Conclusion: These results suggest that NSF has gastroprotective effects on gastritis and colitis inmouse models through COX-1 upregulation.

Study Type : Animal Study

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