Abstract
The cellular immune response of 58 patients affected by cervical cancer was evaluated with the aim of investigating abnormalities in T-cell populations. Subjects were divided into three groups: (a) severe dysplasia or carcinoma in situ, (b) microinvasive carcinoma, and (c) invasive carcinoma. T cells were assessed by a spontaneous rosette formation test with sheep red blood cells and by reactivity with specific monoclonal antibodies of OKT series (OKT4 and OKT8 positive lymphocytes). A significant T-cell depression was observed in all patient groups; the lowest T-cell level was observed in group (b), which revealed an inverted OKT4 +/OKT8 + ratio too. The results support the hypothesis that cell-mediated immunity is a key factor in premalignant status and in the early development of cervical cancer.
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