STUDIES ON CELLULAR IMMUNITY IN CANCER OF THE DIGESTIVE ORGANS

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IgG-FcR+T cells (subsets of the T cells) and PHA (phytohemagglutinin) response of lymphocytes and helper T cell activity were studied in 209 cases with cancer of the digestive organs. IgG-FcR+T cell showed 11.36±7.8% in the nontreated group and 7.98±6.3% in the group in which a tumor was removed.An increase in IgG-FcR+T cells and a decrease in PHA response were found in 5.8% of the patients with cancer stage I, in 42.8% of the patients with stage II, in 33.3% of the patients with stage III, and in 52.3% of the patients with stage IV. An increase in IgG-FcR+T cells and a decrease in helper T cell activity were found in 20% of the patients with stage I, in 20% of the patients with stage II, in 25% of the patients with stage III, and in 35.7% of the patients with stage IV. An increase in IgG-FcR+T cells and a decrease in PHA response were found in 12.5% of the patients with early stage of gastric cancer. On the other hand, an increase in IgG-FcR+•T cells and a decrease in helper T cell activitywe re found in 18.7% of them.An increase in IgG-FcR+T cells and a decrease in PHA response were found in 25.5% of the patients with advanced gastric cancer.An increase in IgG-FcR+T cells and a decrease in helper T cell activity were found in 37.9% of them.These results revealed an increase in suppressor T cells in patients with cancer of the digestive organs and a marked decrease in function of the T cells in according with the degree of cancer.
財団法人日本消化器病学会の論文

STUDIES ON CELLULAR IMMUNITY IN CANCER OF THE DIGESTIVE ORGANS

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