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pubmed:abstractText |
We have studied the systemic T-lymphocyte subset and, in particular, the natural-killer (NK) activity in 23 patients with cervical intra-epithelial neoplasia (CIN), and 11 controls (a history of normal cervical PAP smears and colposcopy patterns). The lymphocyte phenotypes were studied using a panel of monoclonal antibodies, and NK activity was evaluated as the percentage lysis of K 562 target cells. In patients with CIN we found a significant decrease in NK activity (p = 0.002) which was directly correlated with the grade of CIN, with no alterations in the absolute number of NK cells.
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