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An association between increased serum-soluble interleukin-2 receptors and a disturbance in muscle force in schizophrenic patients

1997; Elsevier BV; Volume: 21; Issue: 5 Linguagem: Inglês

10.1016/s0278-5846(97)00082-1

1878-4216

Mark Hyman Rapaport, Michael P. Caligiuri, James B. Lohr,

Dermatology and Skin Diseases

1. Serum-soluble interleukin-2 receptors (SIL-2Rs), a sign of immune activation, are increased in approximately 30% of schizophrenic subjects. 2. In a recent publication the authors found that SIL-2Rs were particularly elevated in schizophrenic subjects with tardive dyskinesia (TD). 3. This paper investigates the relationship between muscle force instability and SIL-2Rs in 32 schizophrenic patients, 10 of whom were neuroleptic-naive. 4. The authors hypothesized that there would be a positive correlation between increased levels of SIL-2Rs and muscle force instability. 5. Serum SIL-2Rs and muscle force instability were positively correlated (r = 0.54, p < .001) in the schizophrenic patients, and this correlation held even for the subset of neuroleptic-naive patients (r = .73, df 8, p = .016). 6. These findings suggest that there is an important correlation between immune activation and muscle force instability in schizophrenic patients.