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  • 1
    ISSN: 1432-0584
    Keywords: Acid phosphatases ; Isoenzyme pattern ; Leukemic blood cells ; Hairy-cell-leukemia ; Saure Phosphatasen ; Isoenzym-Muster ; Leukämische Blutzellen ; Haarzell-Leukämie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die durchschnittlichen Aktivitäten (IE/106 Zellen) der sauren Phosphatasen und die prozentuale Verteilung der Isoenzyme der sauren Phosphatasen wurden aus Lysaten von normalen und leukämischen weißen Blutzellen bestimmt. Bei 4 Patienten mit Haarzell-Leukämie lag der Anteil des Isoenzyms 5 geringfügig über dem der tartratresistenten Zellen. Bei 2 Patienten mit einer fraglichen Haarzell-Leukämie waren deutliche Isoenzym-5-Fraktionen, aber keine tartratresistenten Zellen zu erkennen. Bei einem Patienten mit Haarzell-Leukämie wurde bei einem hohem Anteil tartratresistenter Haarzellen eine auffallend geringere Isoenzym-5-Fraktion gefunden. Diese unterschiedlichen Beziehungen wurden mit der empfindlichen Nachweismethode der Gelelektrophorese und unterschiedlicher Substrataffinität erklärt.
    Notes: Summary The activities of acid phosphatases (AP) were measured in leukocytes from patients with chronic myelocytic leukemia (CML), macrophages, granulocytes, in the fractionated mononuclear cells of patients with CML and with hairy-cell-leukemia (HCL) and in the cells from patients with acute leukemia (AL). The lowest activities were found in lymphocytes of normal subjects and of patients with chronic lymphatic leukemia (CLL) and in thrombocytes. Isoenzyme (IsE) l was characteristic for thymocytes, IsE 2 for granulocytes, IsE 3 for pathologic blast-cells, lymphocytes and thrombocytes, IsE 4 for macrophages, IsE 5 with components a and b for the mononuclear fraction of patients with HCL. In addition IsE5 was detected in lymphocytes, macrophages and CLL-cells. In 4 patients with HCL the relative percentage of IsE-5-fraction was slightly greater than the percentage of tartrate resistant cells. In two patients with questionable HCL well marked IsE-5-fractions were recognized but no tartrate resistant cells. In one patient with HCL a relatively high percentage of tartrate resistant hairy-cells and in comparison an inadäquate low IsE-5-fraction was found. These different relations were explained with the more sensitive method of gelelectrophoresis and different affinity of substrates to AP.
    Type of Medium: Electronic Resource
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