Protective effect of dimethylsulphoxide in stress- and indometacin-induced gastrointestinal ulceration in rats

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Abstract

The protective effect of dimethylsulphoxide (DMSO) against stress- and indometacin-induced gastrointestinal ulcers was assessed in rats. It was found that stress (restraint at 4°C for 3 h) produced mucosal lesions in the stomach antrum and corpus, and the small intestine. DMSO given in the drinking water at concentrations of 1, 2, 4, or 6% (v/v) 7 days before the application of stress produced dose-dependent decreases in both the number of ulcers and the ulcer index (UI). These decreases were significant at doses of 4 and 6% (v/v). Indometacin was effective in producing ulcers in the gastric antrum and small intestine, but not in the corpus of the stomach, when it was given to rats fasted for 24 h and fed for 1 h before drug administration. Again, pretreatment with DMSO, at doses of 4 and 6% (v/v) for 7 days was effective in reducing significantly the number of ulcers and the UI in the indometacin-treated rats. At all doses of DMSO there were no significant changes in the haemogram or in the histological (light microscopic) picture of the organs examined. A small reduction (6%) in the body weight was observed in rats on the higher dose of DMSO, probably due to decreased feed intake (10%) in this group. Further pharmacological and toxicological studies on DMSO seem warranted.

Original languageEnglish
Pages (from-to)98-102
Number of pages5
JournalPharmacology
Volume39
Issue number2
Publication statusPublished - 1989

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Dimethyl Sulfoxide
Indomethacin
Ulcer
Small Intestine
Stomach
Pyloric Antrum
Drinking Water
Toxicology
Body Weight
Pharmacology
Light
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Pharmacology

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Protective effect of dimethylsulphoxide in stress- and indometacin-induced gastrointestinal ulceration in rats. / Ali, B. H.

In: Pharmacology, Vol. 39, No. 2, 1989, p. 98-102.

Research output: Contribution to journalArticle

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abstract = "The protective effect of dimethylsulphoxide (DMSO) against stress- and indometacin-induced gastrointestinal ulcers was assessed in rats. It was found that stress (restraint at 4°C for 3 h) produced mucosal lesions in the stomach antrum and corpus, and the small intestine. DMSO given in the drinking water at concentrations of 1, 2, 4, or 6{\%} (v/v) 7 days before the application of stress produced dose-dependent decreases in both the number of ulcers and the ulcer index (UI). These decreases were significant at doses of 4 and 6{\%} (v/v). Indometacin was effective in producing ulcers in the gastric antrum and small intestine, but not in the corpus of the stomach, when it was given to rats fasted for 24 h and fed for 1 h before drug administration. Again, pretreatment with DMSO, at doses of 4 and 6{\%} (v/v) for 7 days was effective in reducing significantly the number of ulcers and the UI in the indometacin-treated rats. At all doses of DMSO there were no significant changes in the haemogram or in the histological (light microscopic) picture of the organs examined. A small reduction (6{\%}) in the body weight was observed in rats on the higher dose of DMSO, probably due to decreased feed intake (10{\%}) in this group. Further pharmacological and toxicological studies on DMSO seem warranted.",
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