2009
DOI: 10.1177/0192623309332992
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Discovery of Metabolomics Biomarkers for Early Detection of Nephrotoxicity

Abstract: Drug-induced nephrotoxicity is a major concern, since many pharmacological compounds are filtered through the kidneys for excretion into urine. To discover biochemical biomarkers useful for early identification of nephrotoxicity, metabolomic experiments were performed on Sprague-Dawley Crl:CD (SD) rats treated with the nephrotoxins gentamicin, cisplatin, or tobramycin. Using a combination of gas chromatography/mass spectrometry (GC/MS) and liquid chromatography/mass spectrometry (LC/MS), a global, nontargeted … Show more

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Cited by 223 publications
(190 citation statements)
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“…After adjusting for baseline glucose levels and diabetes status, 1,5-AG levels at the baseline examination persisted to show an inverse relationship with higher risk of incident CKD. These results are supported by a recent study suggesting that an increase of urinary carbohydrates, including 1,5-AG, can be an early indicator of renal toxicity (46). Taken together, 1,5-AG is a promising candidate biomarker for incidence CKD whether as a result of hyperglycemia excursions or other pathways.…”
Section: Discussionsupporting
confidence: 74%
“…After adjusting for baseline glucose levels and diabetes status, 1,5-AG levels at the baseline examination persisted to show an inverse relationship with higher risk of incident CKD. These results are supported by a recent study suggesting that an increase of urinary carbohydrates, including 1,5-AG, can be an early indicator of renal toxicity (46). Taken together, 1,5-AG is a promising candidate biomarker for incidence CKD whether as a result of hyperglycemia excursions or other pathways.…”
Section: Discussionsupporting
confidence: 74%
“…Out of the markers elevated with the kidney damages, glucose and branched amino acids have been reported previously for cisplatin induced toxicity (Portilla et al, 2006;Boudonck et al, 2009). Here, we identifi ed additional markers, glycine and taurine.…”
Section: Discussionmentioning
confidence: 55%
“…As statistical differentiation, we used OPLS-DA approach, whereas a previous NMR study used PCA and another MS study used t-test followed by either CART or logistic regression (Portilla et al, 2006;Boudonck et al, 2009). Although each approach has its own merits and shortcomings, our approach gave very good performance in classifying the unknown test set, predicting correctly all the test set data, up to 30% of the entire data set at 3 day time point.…”
Section: Discussionmentioning
confidence: 99%
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“…Major changes in 3-hydroxybutyrate concentration, related to the metabolism of plasma lipids, occurs when tissue are exposed to stress (Fukao et al, 2004). A high increase of urinary 3-hydroxybutyrate has been reported as an early biomarker of toxicity (such as in nephrotoxicity, Boudonck et al, 2009, or during surgical trauma, Teague et al, 2007).…”
Section: Identification Of Specific Apap Toxicity Biomarkers In Biochipsmentioning
confidence: 99%