Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jchromb.2010.12.009
Title: Quantification of 3-deazaneplanocin A, a novel epigenetic anticancer agent, in rat biosamples by hydrophilic interaction liquid chromatography-tandem mass spectrometric detection
Authors: Sun, F. 
Ong, J.C.L.
Yu, Q.
Chan, E. 
Keywords: 3-Deazaneplanocin A
Excretion studies
LC-MS/MS
Pharmacokinetics
Rat biosamples
Tissue distribution
Issue Date: 1-Feb-2011
Source: Sun, F., Ong, J.C.L., Yu, Q., Chan, E. (2011-02-01). Quantification of 3-deazaneplanocin A, a novel epigenetic anticancer agent, in rat biosamples by hydrophilic interaction liquid chromatography-tandem mass spectrometric detection. Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences 879 (3-4) : 285-290. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jchromb.2010.12.009
Abstract: A sensitive and selective LC-MS/MS based bioanalytical method was developed and validated for the quantification of 3-deazaneplanocin A (DZNep), a novel epigenetic anti-tumor drug candidate, in Sprague-Dawley (SD) rat biosamples (plasma, urine, feces and tissue samples). The method comprises a phenylboronic acid (PBA)-containing solid phase extraction procedure, serving for binding and clean-up of DZNep in rat biosamples spiked with tubercidin (as internal standard). The analytes were separated on an Agilent hydrophilic interaction chromatography (HILIC) column. LC-MS/MS in positive ion mode was used to perform multiple reaction monitoring at m/z of 263/135 and 267/135 for DZNep and tubercidin, respectively. The limit of quantification (LOQ) of DZNep in rat biosamples was 20. ng/mL. The data of intra-day and inter-day accuracy were within 15% of nominal concentration while the precision (relative standard deviation) less than 10% for all biosamples. The extraction recoveries for DZNep and tubercidin were consistent and reproducible (around 80%) and the matrix effects were negligible (around 10% suppression) in all biosamples. This method was demonstrated to be applicable for pharmacokinetic studies of DZNep in SD rats. © 2010 Elsevier B.V.
Source Title: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences
URI: http://scholarbank.nus.edu.sg/handle/10635/53119
ISSN: 15700232
DOI: 10.1016/j.jchromb.2010.12.009
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