Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals · 2016
Biomarker discovery for drug-induced phospholipidosis: phenylacetylglycine to hippuric acid ratio in urine and plasma as potential markers.
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Kamiguchi Hidenori, Murabayashi Mika, Mori Ikuo, Horinouchi Akira, Higaki Kazutaka
Аннотация
CONTEXT: Drug-induced phospholipidosis is one of the significant concerns in drug development, especially in safety assessment and noninvasive diagnostic tool is highly desirable.
OBJECTIVE: The objective of this study is to explored novel biomarkers for phospholipidosis using a metabolomic approach.
METHOD: NMR spectrometry and LC/MS/MS analyses were applied to urine and plasma of rats administrated cationic amphiphilic drugs.
RESULTS: The phenylacetylglycine to hippuric acid ratio in plasma was increased in time and dose-dependent manners; and it was well correlated with histopathological observation.
CONCLUSION: The plasma phenylacetylglycine to hippuric acid ratio is a potential marker in monitoring drug-induced phospholipidosis.
OBJECTIVE: The objective of this study is to explored novel biomarkers for phospholipidosis using a metabolomic approach.
METHOD: NMR spectrometry and LC/MS/MS analyses were applied to urine and plasma of rats administrated cationic amphiphilic drugs.
RESULTS: The phenylacetylglycine to hippuric acid ratio in plasma was increased in time and dose-dependent manners; and it was well correlated with histopathological observation.
CONCLUSION: The plasma phenylacetylglycine to hippuric acid ratio is a potential marker in monitoring drug-induced phospholipidosis.