M Hyánková

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The lymphocytes of some patients (especially with malignancies) as well of healthy subjects, which had been isolated on the day of blood withdrawal from the heparinized blood, show negative or slightly positive reaction with some corresponding HLA sera; after 24 h of storing in the refrigerator at +4 degrees C the lymphocytes tend to restore the cytotoxic(More)
The presence of HL-A antigens 1, 2, 5, 7, 8 and 12 on the lymphocytes of 26 patients with blood diseases and malignant tumours was examined by means of the two-step microcytotoxicity test. The studies carried out several times in the course of the disease and with 4 to 5 sera of the same specificity. Two types of the serological modifications were found: 1.(More)
In some instances the heating of lymphocytes for 2 to 3 minutes at 56 degrees C enhances HL-A antigens or makes it possible to detect these antigens by a twostage microlymphocytotoxic test on preheated lymphocytes only. Similar phenomenons are observed in some tannin (1: 40 000) or 0.1% phenol-treated lymphocytes and after the addition of these solutions(More)
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