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H-1-Nuclear magnetic resonance-based metabolic profiling of nonsteroidal anti-inflammatory drug-induced adverse effects in rats
- H-1-Nuclear magnetic resonance-based metabolic profiling of nonsteroidal anti-inflammatory drug-induced adverse effects in rats
- Um, So Young; Park, Jung Hyun; Chung, Myeon Woo; Choi, Ki Hwan; Lee, Hwa Jeong
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
- 0731-7085; 1873-264X
- vol. 129, pp. 492 - 501
- Nonsteroidal anti-inflammatory drugs; H-1-Nuclear magnetic resonance; Gastrointestinal damage; Partial least square-discrimination analysis; Metabolomics; Biomarker
- ELSEVIER SCIENCE BV
- SCI; SCIE; SCOPUS
- Nonsteroidal anti-inflammatory drugs (NSAIDs), which are globally prescribed, exhibit mainly antiinflammatory and analgesic effects but also can cause adverse effects including gastrointestinal erosions, ulceration, bleeding, and perforation. The purpose of this study was to investigate surrogate biomarkers associated with the gastrointestinal (GI) damage caused by NSAID treatment using pattern recognition analysis of H-1-nuclear magnetic resonance (H-1 NMR) spectra of rat urine. Urine was collected for 5 h after oral administration of the following NSAIDs at low or high doses: acetylsalicylic acid (10 or 200 mg kg(-1)), diclofenac (0.5 or 15 mg kg(-1)), piroxicam (1 or 10 mg kg(-1)), indomethacin (I or 25 mg kg(-1)), or ibuprofen (10, or 150 mg kg(-1)) as nonselective COX inhibitors and celecoxib (10 or 100 mg kg(-1)) as a COX-2 selective inhibitor. The urine was analyzed using 500 MHz H-1 NMR for spectral binning and targeted profiling and the level of gastric damage was examined. The nonselective COX inhibitors caused severe gastric damage while no lesions were observed in the celecoxib-treated rats. The H-1 NMR urine spectra were divided into spectral bins (0.04 ppm) for global profiling, and a total of 44 endogenous metabolites were assigned for targeted profiling. Multivariate data analyses were performed to recognize the spectral pattern of endogenous metabolites related to NSAIDs using partial least square-discrimination analysis (PLS-DA). The H-1 NMR spectra clustered differently according to gastric damage score in global profiling. In targeted profiling, the endogenous metabolites of citrate, allantoin, 2-oxoglutarate, acetate, benzoate, glycine, and trimethylamine N-oxide were selected as putative biomarkers for gastric damage caused by NSAIDs. These putative biomarkers might be useful for predicting the risk of adverse effects caused by NSAIDs in the early stage of drug development process. (C) 2016 Elsevier B.V. All rights reserved.
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