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  • Title: Enumeration of absolute numbers of T lymphocyte subsets in B-chronic lymphocytic leukaemia using an immunoperoxidase technique: relation to clinical stage.
    Author: Markey GM, Alexander HD, Agnew AN, McConnell RE, Morris TC, Robertson JH, Crockard AD, Bridges JM.
    Journal: Br J Haematol; 1986 Feb; 62(2):257-73. PubMed ID: 3511946.
    Abstract:
    An immunoperoxidase technique has been used to identify and enumerate helper and suppressor T-cell subsets, as defined by reactivity with Coulter T4 and OKT8 monoclonal antibodies in 54 patients with B chronic lymphocytic leukaemia (B-CLL) and in the same number of matched controls. The ratio of T4+ to T8+ cells was significantly reduced in the B-CLL group as a whole (P less than 0.001) and in each stage of the three clinical staging systems. There was an increase in the median absolute level of T8+ cells in the whole CLL group (P less than 0.001). However, subdivision of the CLL group by clinical staging systems revealed a large group (28 patients) in which median T8+ cell levels were not raised and median T4+ cell levels were low (P less than 0.01). There was no significant decrease in T4+:T8+ ratio, increase in T8+ cells or decrease in T4+ cells with progression of clinical stage. Absolute numbers of E+ cells were significantly raised in all staging systems as were E+ T4- T8- cells (P less than 0.001). A significant alteration in either of these populations with progression of clinical stage was not present.
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