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  • Title: Evaluation of the asparagine synthetase level in leukemia cells by monoclonal antibodies.
    Author: Kusano-Arai O, Iwanari H, Mochizuki Y, Nakata H, Kodama T, Kitoh T, Hamakubo T.
    Journal: Hybridoma (Larchmt); 2012 Oct; 31(5):325-32. PubMed ID: 23098298.
    Abstract:
    L-Asparaginase (ASNase) is important for the treatment of childhood acute lymphoblastic leukemia. ASNase sensitivity has been shown to correlate with the asparagine synthetase (ASNS) protein content in acute lymphoblastic leukemia cell lines. However, there have been few studies to determine ASNS protein levels in human leukemias, since no appropriate monoclonal antibody is available for such quantitative analysis. In this study, we report the generation of anti-ASNS monoclonal antibodies, which are applicable to flow cytometry and enzyme-linked immunosorbent assay. These monoclonal antibodies should provide a valuable tool for the quantification of ASNS protein level and estimation of ASNase-resistance in leukemia cells.
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