In schizophrenia patients, the level of T-lymphocytes with cytogenetic aberrations is elevated, and the ability of these cells for PGA-blast-transformation and the interferon synthesis is reduced. The elevation of the lymphocytes ability for blast-transformation in the presence of the native preparation of DNA and for lysis of the erythrocytes proper is marked in these patients. The observed changes were especially marked in schizophrenia with an interrupted course.
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