Optimization of the arginase activity assay micromethod for macrophages and sera
BMC research notes(2023)
摘要
Objective We optimized the spectrophotometric micromethod for the determination of arginase activity based on the Corraliza et al. modification of Schimke’s method. Arginase activity in sera from patients suffering from human African trypanosomiasis, in macrophage lysates from trypanosome-infected mice, and in purified bovine liver arginase was compared using the conventional and optimized micromethods. Results The sensitivity of both micromethods was comparable. However, our optimized method has the following advantages: it uses small sample volumes (6 µl per assay vs. 50 µl) and reagent volumes (200 µl vs. 400 µl), it can be carried out in a single microplate well, thereby minimizing handling, and it requires fewer materials and utilizes readily available equipment. Our optimized method proved to be applicable and well suited for small-volume samples and resource-poor laboratories.
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关键词
arginase activity,macrophages
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