Leucocyte Energy Metabolism

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Abstract
A technique, which combines a Ficoll-Rompacon treatment, sedimentation in a Dextran medium and erythrolysis by NH4C1, permitting the simultaneous isolation of polymorphonuclear cells (PMN) and lymphocytes from a single sample of human blood is described. The contamination of the PMN suspensions by other blood cells, including other categories of white cells, is minimal. However, the lymphocyte preparations, free of other white cells, are still contaminated by a non-negligible amount of thrombocytes. It could be shown that the biochemical systems studied, the functional behaviour and the morphological state of these cells are similar to that of white cells purified with the procedures previously used. Further, a numeration technique, based on DNA estimation, is presented which can be used when the cell count becomes inaccurate by cell agglutination.