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Immune dysfunctions in psychiatric patients.

Alterations in the serum proteins and immunoglobulins have been investigated in the search for the possible etiological causes of schizophrenic patients. The results, so far, have been varied and inconclusive. We assayed serum immunoglobulins, and antinuclear antibody (ANA) titres in 94 randomly selected, recently hospitalized, psychotic patients. A complete physical, neurological, laboratory and electrophysiological examination was conducted on each patient. Systems survey and family, as well as past histories were obtained. Our results indicated that 12 patients had high titres of ANA and none of them had any other clinical evidence of autoimmune disease. This finding did not correlated with age, sex, diagnosis, or duration if illness, but an association with the medications that the patients were receiving, was noted. The elevation in ANA titres seems to be related to use of lithium as well as neuroleptics. Our data suggests that all neuroleptics can produce high ANA titres. Systematic study of this phenomenon and their long-term consequences warrant further exploration.