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  • Title: Brain structure changes in schizophrenics with high serum titers of antibodies to herpes virus.
    Author: Pandurangi AK, Pelonero AL, Nadel L, Calabrese VP.
    Journal: Schizophr Res; 1994 Feb; 11(3):245-50. PubMed ID: 8193063.
    Abstract:
    We compared five indices of brain structure between two groups of schizophrenics, namely, those with high and normal levels of antibody in the serum to herpes virus. Eleven 'immuno-positive' and 21 'immuno-normal' subjects obtained from a concomitant study of serum IgG antibody to viruses underwent magnetic resonance imaging (MRI) utilizing a 1 Tesla magnet and 8 mm thick slices. We measured ventricle-brain ratio (VBR), 3rd ventricle width, cortical atrophy, area of corpus callosum, and frontal lobe area. The differences between groups were assessed by t-test and chi-square analysis. Eight of 11 immuno-positives compared to 7 of 21 immuno-normals showed evidence of cortical atrophy (chi 2 = 4.49, p < 0.03). The immuno-positives had smaller left frontal area (mean + s.d = 125.69 + 21.30 versus 143.76 + 19.84, t = 2.07, p < 0.05) and larger 2nd quadrant of the corpus callosum (mean + s.d. = 1.58 + 0.39 versus 1.27 + 0.52, t = 2.68, p < 0.01). The right frontal area also was smaller in immuno-positives but not significant. VBR, 3rd ventricle and the 1st, 3rd and 4th callosal quadrants did not differ between the groups. We conclude that high antibody titers to herpes found in the sera of some schizophrenics might reflect an earlier pathogenetic process that affected brain development. Further studies of antibodies in CSF and brain structure in these or similar subjects and those suspected to be exposed to viral infections in utero should be vigorously pursued to obtain definitive evidence for this hypothesis.
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