Department of Infectious Disease and Tropical Medicine, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

Authors

1 Department of Pharmacology, School of Pharmacy, Isfahan University of Medical Sciences; Isfahan Pharmaceutical Sciences Research Center, Isfahan, Iran

2 Department of Pharmacognosy, School of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran

3 Department of Clinical Pathology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

4 Isfahan Pharmaceutical Sciences Research Center, Isfahan, Iran

Abstract

Background: Helichrysum oligocephalum DC. from Asteraceae family is an endemic plant growing wild in Iran. This study was carried out to investigate the effect of H. oligocephalum hydroalcoholic extract (HOHE) on ulcerative colitis (UC) induced by acetic acid (AA) in rats.
Materials and Methods: Rats were grouped (n = 6) and fasted for 24 h before colitis induction. Treatments were started 2 h before the induction of colitis and continued for two consecutive days with different doses of HOHE (100, 200, and 400 mg/kg) orally (p.o.) and intraperitoneally (i.p.). The colon tissue was removed and tissue damages were scored after macroscopic and histopathologic assessments.
Results: Among the examined doses of HOHE, 100 mg/kg was the most effective dose that reduced the extent of UC lesions and resulted in significant alleviation. Weight/length ratio as an index of tissue inflammation and extravasation was also diminished in the treatment group administered HOHE at a dose of 100 mg/kg, and the results showed correlation with macroscopic and histopathologic evaluations. These data suggest that HOHE (100 mg/kg) administered either p.o. or i.p. was effective in diminishing inflammation and ulcer indices in this murine model of acute colitis in a non-dose-related manner.
Conclusions: H. oligocephalum could be considered as a suitable anticolitis alternative; however, further studies are needed to support this hypothesis for clinical setting.

Keywords

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