The Effect of Pomegranate Juice on the Expression of Some Murine UDP- Glucuronosyltransferases Genes

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Author(s): Yacoub M. Irshaid*, Ruba Alani, Razan Al-Rawashdeh, Tuqa Al-Ghazawi, Hiba Hijazi, Dana Amara, Amena Hammad, Zaineh M. Shahrure, Mohammad Al Shhab

Journal Name: Drug Metabolism Letters

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Abstract:

Background: Food-drug interactions may lead to suppression or induction drug metabolizing enzymes. Pomegranate is a commonly used fruit in folk medicine all over the world. Data concerning the effect of pomegranate on the activity of UDP-glucuronosyltransferases (UGTs) is scarce.

Objective: The purpose of this work was to investigate the effect of pomegranate juice ingestion on the transcription of ugt2b1, ugt2a3, and ugt1a9 in the liver and small intestine of male mice.

Methods: Pomegranate juice was administered to 10 male mice for 14 days in drinking bottles instead of water. Ten control mice received water in the drinking bottles. On the 15th day, the mice were sacrificed and the liver and the small intestine were removed. The small intestine was divided into 3 parts. Total mRNA was extracted from samples of these specimens, and cDNA was synthesized by quantitative real-time polymerase chain reaction (RT-PCR) using specific primers for each ugt gene.

Results: The ugt1a9 mRNA level was reduced by 2.25-fold in the liver and by 6-, 1.5-, and 3-folds in the first, second and third part of the small intestine, respectively. The ugt2b1 mRNA level in the liver and the third part of the small intestine was not affected, while it was reduced by 3.7- and 3-folds in the first and second parts of the small intestine, respectively. The ugt2a3 mRNA level was not affected in the liver and the 3 parts of the small intestine.

Conclusions: Some ugt mRNA levels may be reduced by the ingestion of pomegranate juice, which may reduce the metabolism of their drug substrates. The consequences may be accumulation of such drugs in the body and enhanced toxicity.

Keywords: Mice, pomegranate, ugt activity, ugt genes.

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Article Details

(E-pub Ahead of Print)
DOI: 10.2174/1872312814999201211203314
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