Article Publish Status: FREE
Abstract Title:

Protective effect of bergapten in acetic acid-induced colitis in rats.

Abstract Source:

Heliyon. 2020 Aug ;6(8):e04710. Epub 2020 Aug 15. PMID: 32885074

Abstract Author(s):

Emmanuel A Adakudugu, Elvis O Ameyaw, Ernest Obese, Robert P Biney, Isaac T Henneh, Douglas B Aidoo, Elizabeth N Oge, Isaac Y Attah, David D Obiri

Article Affiliation:

Emmanuel A Adakudugu


Bergapten (5-methoxysporalen) is a furanocoumarin extracted from several species of citrus and bergamot oil. Bergamot essential oil is used traditionally in the management of inflammatory conditions. Previous studies on bergapten have explored mainly itsanti-inflammatory activities which include suppression of the expression and release of pro-inflammatory cytokines such as TNF-α and interleukins as well as prostaglandins. Bergapten enhances the clearance of neutrophils and macrophages from the site of inflammation and reduces oxidative stress by inhibition of reactive oxygen species (ROS). Bergapten was assessed for its anti-inflammatory properties in acetic acid-inducedcolitis. Animals were obtained and randomly placed in six (6) groups (n = 5) after acclimatization. Colitis was induced by rectal administration using 4%/acetic acid in Sprague Dawley rats after pre-treatment for 5 days. Bergapten was administered at doses of 3, 10, and 30 mg kg. while the control group received saline 5 mL kgand the standard drug employed was sulphasalazine at a dose of 500 mg kg. Assessments made for colon-weight-to-length ratio, colonic injury, and mucosal mast cell degranulation. There were reduced colon-weight-to-length ratios in animals treated with bergapten which was significant () for doses 10 and 30 mg kgcompared to the disease control group Both macroscopic and microscopic damage were reduced as well, with a lesser percentage of degranulated mast cells. Macroscopic damage was reduced for bergapten at doses 10 and 30 mg kgsignificantly atandrespectively. Similarly, microscopic damage was reduced atandrespectively for bergapten 10 and 30 mg kg. The reduction of degranulation by bergapten was significant at. There was generally reduced damage at inflammatory sites as well as decreased infiltration of inflammatory cells. Overall, bergapten reduces inflammation in acetic acid-induced colitis.

Study Type : Animal Study

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