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FEBS Lett. 2007 Apr 3;581(7):1457-63. Epub 2007 Mar 8.

Identification of the TPO1 gene in yeast, and its human orthologue TETRAN, which cause resistance to NSAIDs.

Author information

1
Graduate School of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto 862-0973, Japan.

Abstract

Non-steroidal anti-inflammatory drugs (NSAIDs), such as indomethacin, have serious gastrointestinal side effects. Since their direct cytotoxicity was suggested to be involved in this side effect, we here tried to identify NSAID-resistant genes. We screened for Saccharomyces cerevisiae genes whose overexpression causes indomethacin resistance and identified the TPO1 gene, which encodes a major facilitator superfamily transporter. Its overexpression or deletion made yeast cells resistant or sensitive, respectively, to some NSAIDs. A BLAST search identified the possible human orthologue of Tpo1p, tetracycline transporter-like protein (TETRAN), whose overexpression in cultured human cells caused resistance to some NSAIDs, suggesting that TETRAN is an efflux pump for some NSAIDs.

PMID:
17362938
DOI:
10.1016/j.febslet.2007.03.001
[Indexed for MEDLINE]
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