Fels A O, Pawlowski N A, Cramer E B, King T K, Cohn Z A, Scott W A
Proc Natl Acad Sci U S A. 1982 Dec;79(24):7866-70. doi: 10.1073/pnas.79.24.7866.
Human alveolar macrophages obtained by bronchoalveolar lavage were labeled overnight with [3H]arachidonic acid. The cells were stimulated with calcium ionophore A23187, and the 20:4 oxygenated metabolites released into the culture medium were identified by reverse-phase HPLC. Leukotriene B4 was the major 20:4 metabolite produced by these cultures. Leukotriene B4 was identified by its reverse-phase HPLC elution time, its UV spectrum, and its chemotactic and chemokinetic activities for neutrophils. In addition, the macrophage- and neutrophil-derived leukotriene B4 free acids and methyl esters were found to have identical HPLC retention times.
通过支气管肺泡灌洗获得的人肺泡巨噬细胞用[3H]花生四烯酸标记过夜。用钙离子载体A23187刺激细胞,通过反相高效液相色谱法鉴定释放到培养基中的20:4氧化代谢产物。白三烯B4是这些培养物产生的主要20:4代谢产物。通过其反相高效液相色谱洗脱时间、紫外光谱以及对中性粒细胞的趋化和化学动力学活性来鉴定白三烯B4。此外,发现巨噬细胞和中性粒细胞衍生的白三烯B4游离酸和甲酯具有相同的高效液相色谱保留时间。