Mao, Obeid: "Ceramidases: regulators of cellular responses mediated by ceramide, sphingosine, and sphingosine-1-phosphate." in: Biochimica et biophysica acta, Vol. 1781, Issue 9, pp. 424-34, 2008 (PubMed).
Wheeler, Metter, Tanaka et al.: "Sequential use of transcriptional profiling, expression quantitative trait mapping, and gene association implicates MMP20 in human kidney aging." in: PLoS genetics, Vol. 5, Issue 10, pp. e1000685, 2009 (PubMed).